// ----------------------------------------------------------------------------
// You can set the following variables before loading this script:
/*global netdataNoDygraphs *//* boolean, disable dygraph charts
* (default: false) */
/*global netdataNoSparklines *//* boolean, disable sparkline charts
* (default: false) */
/*global netdataNoPeitys *//* boolean, disable peity charts
* (default: false) */
/*global netdataNoGoogleCharts *//* boolean, disable google charts
* (default: false) */
/*global netdataNoMorris *//* boolean, disable morris charts
* (default: false) */
/*global netdataNoEasyPieChart *//* boolean, disable easypiechart charts
* (default: false) */
/*global netdataNoGauge *//* boolean, disable gauge.js charts
* (default: false) */
/*global netdataNoD3 *//* boolean, disable d3 charts
* (default: false) */
/*global netdataNoC3 *//* boolean, disable c3 charts
* (default: false) */
/*global netdataNoD3pie *//* boolean, disable d3pie charts
* (default: false) */
/*global netdataNoBootstrap *//* boolean, disable bootstrap - disables help too
* (default: false) */
/*global netdataDontStart *//* boolean, do not start the thread to process the charts
* (default: false) */
/*global netdataErrorCallback *//* function, callback to be called when the dashboard encounters an error
* (default: null) */
/*global netdataRegistry:true *//* boolean, use the netdata registry
* (default: false) */
/*global netdataNoRegistry *//* boolean, included only for compatibility with existing custom dashboard
* (obsolete - do not use this any more) */
/*global netdataRegistryCallback *//* function, callback that will be invoked with one param: the URLs from the registry
* (default: null) */
/*global netdataShowHelp:true *//* boolean, disable charts help
* (default: true) */
/*global netdataShowAlarms:true *//* boolean, enable alarms checks and notifications
* (default: false) */
/*global netdataRegistryAfterMs:true *//* ms, delay registry use at started
* (default: 1500) */
/*global netdataCallback *//* function, callback to be called when netdata is ready to start
* (default: null)
* netdata will be running while this is called
* (call NETDATA.pause to stop it) */
/*global netdataPrepCallback *//* function, callback to be called before netdata does anything else
* (default: null) */
/*global netdataServer *//* string, the URL of the netdata server to use
* (default: the URL the page is hosted at) */
/*global netdataServerStatic *//* string, the URL of the netdata server to use for static files
* (default: netdataServer) */
/*global netdataSnapshotData *//* object, a netdata snapshot loaded
* (default: null) */
/*global netdataAlarmsRecipients *//* array, an array of alarm recipients to show notifications for
* (default: null) */
/*global netdataAlarmsRemember *//* boolen, keep our position in the alarm log at browser local storage
* (default: true) */
/*global netdataAlarmsActiveCallback *//* function, a hook for the alarm logs
* (default: undefined) */
/*global netdataAlarmsNotifCallback *//* function, a hook for alarm notifications
* (default: undefined) */
/*global netdataIntersectionObserver *//* boolean, enable or disable the use of intersection observer
* (default: true) */
/*global netdataCheckXSS *//* boolean, enable or disable checking for XSS issues
* (default: false) */
// ----------------------------------------------------------------------------
// global namespace
var NETDATA = window.NETDATA || {};
(function(window, document, $, undefined) {
// ------------------------------------------------------------------------
// compatibility fixes
// fix IE issue with console
if(!window.console) { window.console = { log: function(){} }; }
// if string.endsWith is not defined, define it
if(typeof String.prototype.endsWith !== 'function') {
String.prototype.endsWith = function(s) {
if(s.length > this.length) return false;
return this.slice(-s.length) === s;
};
}
// if string.startsWith is not defined, define it
if(typeof String.prototype.startsWith !== 'function') {
String.prototype.startsWith = function(s) {
if(s.length > this.length) return false;
return this.slice(s.length) === s;
};
}
NETDATA.name2id = function(s) {
return s
.replace(/ /g, '_')
.replace(/\(/g, '_')
.replace(/\)/g, '_')
.replace(/\./g, '_')
.replace(/\//g, '_');
};
// ----------------------------------------------------------------------------------------------------------------
// XSS checks
NETDATA.xss = {
enabled: (typeof netdataCheckXSS === 'undefined')?false:netdataCheckXSS,
enabled_for_data: (typeof netdataCheckXSS === 'undefined')?false:netdataCheckXSS,
string: function (s) {
return s.toString()
.replace(//g, '>')
.replace(/"/g, '"')
.replace(/'/g, '#27;');
},
object: function(name, obj, ignore_regex) {
if(typeof ignore_regex !== 'undefined' && ignore_regex.test(name) === true) {
// console.log('XSS: ignoring "' + name + '"');
return obj;
}
switch (typeof(obj)) {
case 'string':
var ret = this.string(obj);
if(ret !== obj) console.log('XSS protection changed string ' + name + ' from "' + obj + '" to "' + ret + '"');
return ret;
case 'object':
if(obj === null) return obj;
if(Array.isArray(obj) === true) {
// console.log('checking array "' + name + '"');
var len = obj.length;
while(len--)
obj[len] = this.object(name + '[' + len + ']', obj[len], ignore_regex);
}
else {
// console.log('checking object "' + name + '"');
for(var i in obj) {
if(obj.hasOwnProperty(i) === false) continue;
if(this.string(i) !== i) {
console.log('XSS protection removed invalid object member "' + name + '.' + i + '"');
delete obj[i];
}
else
obj[i] = this.object(name + '.' + i, obj[i], ignore_regex);
}
}
return obj;
default:
return obj;
}
},
checkOptional: function(name, obj, ignore_regex) {
if(this.enabled === true) {
//console.log('XSS: checking optional "' + name + '"...');
return this.object(name, obj, ignore_regex);
}
return obj;
},
checkAlways: function(name, obj, ignore_regex) {
//console.log('XSS: checking always "' + name + '"...');
return this.object(name, obj, ignore_regex);
},
checkData: function(name, obj, ignore_regex) {
if(this.enabled_for_data === true) {
//console.log('XSS: checking data "' + name + '"...');
return this.object(name, obj, ignore_regex);
}
return obj;
}
};
// ----------------------------------------------------------------------------------------------------------------
// Detect the netdata server
// http://stackoverflow.com/questions/984510/what-is-my-script-src-url
// http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url
NETDATA._scriptSource = function() {
var script = null;
if(typeof document.currentScript !== 'undefined') {
script = document.currentScript;
}
else {
var all_scripts = document.getElementsByTagName('script');
script = all_scripts[all_scripts.length - 1];
}
if (typeof script.getAttribute.length !== 'undefined')
script = script.src;
else
script = script.getAttribute('src', -1);
return script;
};
if(typeof netdataServer !== 'undefined')
NETDATA.serverDefault = netdataServer;
else {
var s = NETDATA._scriptSource();
if(s) NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, "");
else {
console.log('WARNING: Cannot detect the URL of the netdata server.');
NETDATA.serverDefault = null;
}
}
if(NETDATA.serverDefault === null)
NETDATA.serverDefault = '';
else if(NETDATA.serverDefault.slice(-1) !== '/')
NETDATA.serverDefault += '/';
if(typeof netdataServerStatic !== 'undefined' && netdataServerStatic !== null && netdataServerStatic !== '') {
NETDATA.serverStatic = netdataServerStatic;
if(NETDATA.serverStatic.slice(-1) !== '/')
NETDATA.serverStatic += '/';
}
else {
NETDATA.serverStatic = NETDATA.serverDefault;
}
// default URLs for all the external files we need
// make them RELATIVE so that the whole thing can also be
// installed under a web server
NETDATA.jQuery = NETDATA.serverStatic + 'lib/jquery-2.2.4.min.js';
NETDATA.peity_js = NETDATA.serverStatic + 'lib/jquery.peity-3.2.0.min.js';
NETDATA.sparkline_js = NETDATA.serverStatic + 'lib/jquery.sparkline-2.1.2.min.js';
NETDATA.easypiechart_js = NETDATA.serverStatic + 'lib/jquery.easypiechart-97b5824.min.js';
NETDATA.gauge_js = NETDATA.serverStatic + 'lib/gauge-1.3.2.min.js';
NETDATA.dygraph_js = NETDATA.serverStatic + 'lib/dygraph-c91c859.min.js';
NETDATA.dygraph_smooth_js = NETDATA.serverStatic + 'lib/dygraph-smooth-plotter-c91c859.js';
NETDATA.raphael_js = NETDATA.serverStatic + 'lib/raphael-2.2.4-min.js';
NETDATA.c3_js = NETDATA.serverStatic + 'lib/c3-0.4.18.min.js';
NETDATA.c3_css = NETDATA.serverStatic + 'css/c3-0.4.18.min.css';
NETDATA.d3pie_js = NETDATA.serverStatic + 'lib/d3pie-0.2.1-netdata-3.js';
NETDATA.d3_js = NETDATA.serverStatic + 'lib/d3-4.12.2.min.js';
NETDATA.morris_js = NETDATA.serverStatic + 'lib/morris-0.5.1.min.js';
NETDATA.morris_css = NETDATA.serverStatic + 'css/morris-0.5.1.css';
NETDATA.google_js = 'https://www.google.com/jsapi';
NETDATA.themes = {
white: {
bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-3.3.7.css',
dashboard_css: NETDATA.serverStatic + 'dashboard.css?v20180210-1',
background: '#FFFFFF',
foreground: '#000000',
grid: '#F0F0F0',
axis: '#F0F0F0',
highlight: '#F5F5F5',
colors: [ '#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477',
'#3B3EAC', '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6',
'#994499', '#22AA99', '#6633CC', '#E67300', '#316395', '#8B0707',
'#329262', '#3B3EAC' ],
easypiechart_track: '#f0f0f0',
easypiechart_scale: '#dfe0e0',
gauge_pointer: '#C0C0C0',
gauge_stroke: '#F0F0F0',
gauge_gradient: false,
d3pie: {
title: '#333333',
subtitle: '#666666',
footer: '#888888',
other: '#aaaaaa',
mainlabel: '#333333',
percentage: '#dddddd',
value: '#aaaa22',
tooltip_bg: '#000000',
tooltip_fg: '#efefef',
segment_stroke: "#ffffff",
gradient_color: '#000000'
}
},
slate: {
bootstrap_css: NETDATA.serverStatic + 'css/bootstrap-slate-flat-3.3.7.css?v20161229-1',
dashboard_css: NETDATA.serverStatic + 'dashboard.slate.css?v20180210-1',
background: '#272b30',
foreground: '#C8C8C8',
grid: '#283236',
axis: '#283236',
highlight: '#383838',
/* colors: [ '#55bb33', '#ff2222', '#0099C6', '#faa11b', '#adbce0', '#DDDD00',
'#4178ba', '#f58122', '#a5cc39', '#f58667', '#f5ef89', '#cf93c0',
'#a5d18a', '#b8539d', '#3954a3', '#c8a9cf', '#c7de8a', '#fad20a',
'#a6a479', '#a66da8' ],
*/
colors: [ '#66AA00', '#FE3912', '#3366CC', '#D66300', '#0099C6', '#DDDD00',
'#5054e6', '#EE9911', '#BB44CC', '#e45757', '#ef0aef', '#CC7700',
'#22AA99', '#109618', '#905bfd', '#f54882', '#4381bf', '#ff3737',
'#329262', '#3B3EFF' ],
easypiechart_track: '#373b40',
easypiechart_scale: '#373b40',
gauge_pointer: '#474b50',
gauge_stroke: '#373b40',
gauge_gradient: false,
d3pie: {
title: '#C8C8C8',
subtitle: '#283236',
footer: '#283236',
other: '#283236',
mainlabel: '#C8C8C8',
percentage: '#dddddd',
value: '#cccc44',
tooltip_bg: '#272b30',
tooltip_fg: '#C8C8C8',
segment_stroke: "#283236",
gradient_color: '#000000'
}
}
};
if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
NETDATA.themes.current = NETDATA.themes[netdataTheme];
else
NETDATA.themes.current = NETDATA.themes.white;
NETDATA.colors = NETDATA.themes.current.colors;
// these are the colors Google Charts are using
// we have them here to attempt emulate their look and feel on the other chart libraries
// http://there4.io/2012/05/02/google-chart-color-list/
//NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6',
// '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11',
// '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ];
// an alternative set
// http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/
// (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray)
//NETDATA.colors = [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ];
if(typeof netdataSnapshotData === 'undefined')
netdataSnapshotData = null;
if(typeof netdataShowHelp === 'undefined')
netdataShowHelp = true;
if(typeof netdataShowAlarms === 'undefined')
netdataShowAlarms = false;
if(typeof netdataRegistryAfterMs !== 'number' || netdataRegistryAfterMs < 0)
netdataRegistryAfterMs = 1500;
if(typeof netdataRegistry === 'undefined') {
// backward compatibility
netdataRegistry = (typeof netdataNoRegistry !== 'undefined' && netdataNoRegistry === false);
}
if(netdataRegistry === false && typeof netdataRegistryCallback === 'function')
netdataRegistry = true;
// ----------------------------------------------------------------------------------------------------------------
// detect if this is probably a slow device
var isSlowDeviceResult = undefined;
var isSlowDevice = function() {
if(isSlowDeviceResult !== undefined)
return isSlowDeviceResult;
try {
var ua = navigator.userAgent.toLowerCase();
var iOS = /ipad|iphone|ipod/.test(ua) && !window.MSStream;
var android = /android/.test(ua) && !window.MSStream;
isSlowDeviceResult = (iOS === true || android === true);
}
catch (e) {
isSlowDeviceResult = false;
}
return isSlowDeviceResult;
};
// ----------------------------------------------------------------------------------------------------------------
// the defaults for all charts
// if the user does not specify any of these, the following will be used
NETDATA.chartDefaults = {
width: '100%', // the chart width - can be null
height: '100%', // the chart height - can be null
min_width: null, // the chart minimum width - can be null
library: 'dygraph', // the graphing library to use
method: 'average', // the grouping method
before: 0, // panning
after: -600, // panning
pixels_per_point: 1, // the detail of the chart
fill_luminance: 0.8 // luminance of colors in solid areas
};
// ----------------------------------------------------------------------------------------------------------------
// global options
NETDATA.options = {
pauseCallback: null, // a callback when we are really paused
pause: false, // when enabled we don't auto-refresh the charts
targets: [], // an array of all the state objects that are
// currently active (independently of their
// viewport visibility)
updated_dom: true, // when true, the DOM has been updated with
// new elements we have to check.
auto_refresher_fast_weight: 0, // this is the current time in ms, spent
// rendering charts continuously.
// used with .current.fast_render_timeframe
page_is_visible: true, // when true, this page is visible
auto_refresher_stop_until: 0, // timestamp in ms - used internally, to stop the
// auto-refresher for some time (when a chart is
// performing pan or zoom, we need to stop refreshing
// all other charts, to have the maximum speed for
// rendering the chart that is panned or zoomed).
// Used with .current.global_pan_sync_time
on_scroll_refresher_stop_until: 0, // timestamp in ms - used to stop evaluating
// charts for some time, after a page scroll
last_page_resize: Date.now(), // the timestamp of the last resize request
last_page_scroll: 0, // the timestamp the last time the page was scrolled
browser_timezone: 'unknown', // timezone detected by javascript
server_timezone: 'unknown', // timezone reported by the server
force_data_points: 0, // force the number of points to be returned for charts
fake_chart_rendering: false, // when set to true, the dashboard will download data but will not render the charts
passive_events: null, // true if the browser supports passive events
// the current profile
// we may have many...
current: {
units: 'auto', // can be 'auto' or 'original'
temperature: 'celsius', // can be 'celsius' or 'fahrenheit'
seconds_as_time: true, // show seconds as DDd:HH:MM:SS ?
timezone: 'default', // the timezone to use, or 'default'
user_set_server_timezone: 'default', // as set by the user on the dashboard
legend_toolbox: true, // show the legend toolbox on charts
resize_charts: true, // show the resize handler on charts
pixels_per_point: isSlowDevice()?5:1, // the minimum pixels per point for all charts
// increase this to speed javascript up
// each chart library has its own limit too
// the max of this and the chart library is used
// the final is calculated every time, so a change
// here will have immediate effect on the next chart
// update
idle_between_charts: 100, // ms - how much time to wait between chart updates
fast_render_timeframe: 200, // ms - render continuously until this time of continuous
// rendering has been reached
// this setting is used to make it render e.g. 10
// charts at once, sleep idle_between_charts time
// and continue for another 10 charts.
idle_between_loops: 500, // ms - if all charts have been updated, wait this
// time before starting again.
idle_parallel_loops: 100, // ms - the time between parallel refresher updates
idle_lost_focus: 500, // ms - when the window does not have focus, check
// if focus has been regained, every this time
global_pan_sync_time: 300, // ms - when you pan or zoom a chart, the background
// auto-refreshing of charts is paused for this amount
// of time
sync_selection_delay: 400, // ms - when you pan or zoom a chart, wait this amount
// of time before setting up synchronized selections
// on hover.
sync_selection: true, // enable or disable selection sync
pan_and_zoom_delay: 50, // when panning or zooming, how ofter to update the chart
sync_pan_and_zoom: true, // enable or disable pan and zoom sync
pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming
update_only_visible: true, // enable or disable visibility management / used for printing
parallel_refresher: (isSlowDevice() === false), // enable parallel refresh of charts
concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts
destroy_on_hide: (isSlowDevice() === true), // destroy charts when they are not visible
show_help: netdataShowHelp, // when enabled the charts will show some help
show_help_delay_show_ms: 500,
show_help_delay_hide_ms: 0,
eliminate_zero_dimensions: true, // do not show dimensions with just zeros
stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus
stop_updates_while_resizing: 1000, // ms - time to stop auto-refreshes while resizing the charts
double_click_speed: 500, // ms - time between clicks / taps to detect double click/tap
smooth_plot: (isSlowDevice() === false), // enable smooth plot, where possible
color_fill_opacity_line: 1.0,
color_fill_opacity_area: 0.2,
color_fill_opacity_stacked: 0.8,
pan_and_zoom_factor: 0.25, // the increment when panning and zooming with the toolbox
pan_and_zoom_factor_multiplier_control: 2.0,
pan_and_zoom_factor_multiplier_shift: 3.0,
pan_and_zoom_factor_multiplier_alt: 4.0,
abort_ajax_on_scroll: false, // kill pending ajax page scroll
async_on_scroll: false, // sync/async onscroll handler
onscroll_worker_duration_threshold: 30, // time in ms, for async scroll handler
retries_on_data_failures: 3, // how many retries to make if we can't fetch chart data from the server
setOptionCallback: function() { }
},
debug: {
show_boxes: false,
main_loop: false,
focus: false,
visibility: false,
chart_data_url: false,
chart_errors: true, // FIXME: remember to set it to false before merging
chart_timing: false,
chart_calls: false,
libraries: false,
dygraph: false,
globalSelectionSync:false,
globalPanAndZoom: false
}
};
NETDATA.statistics = {
refreshes_total: 0,
refreshes_active: 0,
refreshes_active_max: 0
};
// ----------------------------------------------------------------------------------------------------------------
NETDATA.timeout = {
// by default, these are just wrappers to setTimeout() / clearTimeout()
step: function(callback) {
return window.setTimeout(callback, 1000 / 60);
},
set: function(callback, delay) {
return window.setTimeout(callback, delay);
},
clear: function(id) {
return window.clearTimeout(id);
},
init: function() {
var custom = true;
if(window.requestAnimationFrame) {
this.step = function(callback) {
return window.requestAnimationFrame(callback);
};
this.clear = function(handle) {
return window.cancelAnimationFrame(handle.value);
};
}
else if(window.webkitRequestAnimationFrame) {
this.step = function(callback) {
return window.webkitRequestAnimationFrame(callback);
};
if(window.webkitCancelAnimationFrame) {
this.clear = function (handle) {
return window.webkitCancelAnimationFrame(handle.value);
};
}
else if(window.webkitCancelRequestAnimationFrame) {
this.clear = function (handle) {
return window.webkitCancelRequestAnimationFrame(handle.value);
};
}
}
else if(window.mozRequestAnimationFrame) {
this.step = function(callback) {
return window.mozRequestAnimationFrame(callback);
};
this.clear = function(handle) {
return window.mozCancelRequestAnimationFrame(handle.value);
};
}
else if(window.oRequestAnimationFrame) {
this.step = function(callback) {
return window.oRequestAnimationFrame(callback);
};
this.clear = function(handle) {
return window.oCancelRequestAnimationFrame(handle.value);
};
}
else if(window.msRequestAnimationFrame) {
this.step = function(callback) {
return window.msRequestAnimationFrame(callback);
};
this.clear = function(handle) {
return window.msCancelRequestAnimationFrame(handle.value);
};
}
else
custom = false;
if(custom === true) {
// we have installed custom .step() / .clear() functions
// overwrite the .set() too
this.set = function(callback, delay) {
var that = this;
var start = Date.now(),
handle = new Object();
function loop() {
var current = Date.now(),
delta = current - start;
if(delta >= delay) {
callback.call();
}
else {
handle.value = that.step(loop);
}
}
handle.value = that.step(loop);
return handle;
};
}
}
};
NETDATA.timeout.init();
// ----------------------------------------------------------------------------------------------------------------
// local storage options
NETDATA.localStorage = {
default: {},
current: {},
callback: {} // only used for resetting back to defaults
};
NETDATA.localStorageTested = -1;
NETDATA.localStorageTest = function() {
if(NETDATA.localStorageTested !== -1)
return NETDATA.localStorageTested;
if(typeof Storage !== "undefined" && typeof localStorage === 'object') {
var test = 'test';
try {
localStorage.setItem(test, test);
localStorage.removeItem(test);
NETDATA.localStorageTested = true;
}
catch (e) {
NETDATA.localStorageTested = false;
}
}
else
NETDATA.localStorageTested = false;
return NETDATA.localStorageTested;
};
NETDATA.localStorageGet = function(key, def, callback) {
var ret = def;
if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
NETDATA.localStorage.default[key.toString()] = def;
NETDATA.localStorage.callback[key.toString()] = callback;
}
if(NETDATA.localStorageTest() === true) {
try {
// console.log('localStorage: loading "' + key.toString() + '"');
ret = localStorage.getItem(key.toString());
// console.log('netdata loaded: ' + key.toString() + ' = ' + ret.toString());
if(ret === null || ret === 'undefined') {
// console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"');
localStorage.setItem(key.toString(), JSON.stringify(def));
ret = def;
}
else {
// console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"');
ret = JSON.parse(ret);
// console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
}
}
catch(error) {
console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"');
ret = def;
}
}
if(typeof ret === 'undefined' || ret === 'undefined') {
console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret));
ret = def;
}
NETDATA.localStorage.current[key.toString()] = ret;
return ret;
};
NETDATA.localStorageSet = function(key, value, callback) {
if(typeof value === 'undefined' || value === 'undefined') {
console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value));
}
if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') {
NETDATA.localStorage.default[key.toString()] = value;
NETDATA.localStorage.current[key.toString()] = value;
NETDATA.localStorage.callback[key.toString()] = callback;
}
if(NETDATA.localStorageTest() === true) {
// console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"');
try {
localStorage.setItem(key.toString(), JSON.stringify(value));
}
catch(e) {
console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"');
}
}
NETDATA.localStorage.current[key.toString()] = value;
return value;
};
NETDATA.localStorageGetRecursive = function(obj, prefix, callback) {
var keys = Object.keys(obj);
var len = keys.length;
while(len--) {
var i = keys[len];
if(typeof obj[i] === 'object') {
//console.log('object ' + prefix + '.' + i.toString());
NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback);
continue;
}
obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback);
}
};
NETDATA.setOption = function(key, value) {
if(key.toString() === 'setOptionCallback') {
if(typeof NETDATA.options.current.setOptionCallback === 'function') {
NETDATA.options.current[key.toString()] = value;
NETDATA.options.current.setOptionCallback();
}
}
else if(NETDATA.options.current[key.toString()] !== value) {
var name = 'options.' + key.toString();
if(typeof NETDATA.localStorage.default[name.toString()] === 'undefined')
console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value);
//console.log(NETDATA.localStorage);
//console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()]));
//console.log(NETDATA.options);
NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null);
if(typeof NETDATA.options.current.setOptionCallback === 'function')
NETDATA.options.current.setOptionCallback();
}
return true;
};
NETDATA.getOption = function(key) {
return NETDATA.options.current[key.toString()];
};
// read settings from local storage
NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null);
// always start with this option enabled.
NETDATA.setOption('stop_updates_when_focus_is_lost', true);
NETDATA.resetOptions = function() {
var keys = Object.keys(NETDATA.localStorage.default);
var len = keys.length;
while(len--) {
var i = keys[len];
var a = i.split('.');
if(a[0] === 'options') {
if(a[1] === 'setOptionCallback') continue;
if(typeof NETDATA.localStorage.default[i] === 'undefined') continue;
if(NETDATA.options.current[i] === NETDATA.localStorage.default[i]) continue;
NETDATA.setOption(a[1], NETDATA.localStorage.default[i]);
}
else if(a[0] === 'chart_heights') {
if(typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') {
NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]);
}
}
}
NETDATA.dateTime.init(NETDATA.options.current.timezone);
};
// ----------------------------------------------------------------------------------------------------------------
if(NETDATA.options.debug.main_loop === true)
console.log('welcome to NETDATA');
NETDATA.onresizeCallback = null;
NETDATA.onresize = function() {
NETDATA.options.last_page_resize = Date.now();
NETDATA.onscroll();
if(typeof NETDATA.onresizeCallback === 'function')
NETDATA.onresizeCallback();
};
NETDATA.abort_all_refreshes = function() {
var targets = NETDATA.options.targets;
var len = targets.length;
while (len--) {
if (targets[len].fetching_data === true) {
if (typeof targets[len].xhr !== 'undefined') {
targets[len].xhr.abort();
targets[len].running = false;
targets[len].fetching_data = false;
}
}
}
};
NETDATA.onscroll_start_delay = function() {
NETDATA.options.last_page_scroll = Date.now();
NETDATA.options.on_scroll_refresher_stop_until =
NETDATA.options.last_page_scroll
+ ((NETDATA.options.current.async_on_scroll === true) ? 1000 : 0);
};
NETDATA.onscroll_end_delay = function() {
NETDATA.options.on_scroll_refresher_stop_until =
Date.now()
+ ((NETDATA.options.current.async_on_scroll === true) ? NETDATA.options.current.onscroll_worker_duration_threshold : 0);
};
NETDATA.onscroll_updater_timeout_id = undefined;
NETDATA.onscroll_updater = function() {
NETDATA.globalSelectionSync.stop();
if(NETDATA.options.abort_ajax_on_scroll === true)
NETDATA.abort_all_refreshes();
// when the user scrolls he sees that we have
// hidden all the not-visible charts
// using this little function we try to switch
// the charts back to visible quickly
if(NETDATA.intersectionObserver.enabled() === false) {
if (NETDATA.options.current.parallel_refresher === false) {
var targets = NETDATA.options.targets;
var len = targets.length;
while (len--)
if (targets[len].running === false)
targets[len].isVisible();
}
}
NETDATA.onscroll_end_delay();
};
NETDATA.scrollUp = false;
NETDATA.scrollY = window.scrollY;
NETDATA.onscroll = function() {
//console.log('onscroll() begin');
NETDATA.onscroll_start_delay();
NETDATA.chartRefresherReschedule();
NETDATA.scrollUp = (window.scrollY > NETDATA.scrollY);
NETDATA.scrollY = window.scrollY;
if(NETDATA.onscroll_updater_timeout_id)
NETDATA.timeout.clear(NETDATA.onscroll_updater_timeout_id);
NETDATA.onscroll_updater_timeout_id = NETDATA.timeout.set(NETDATA.onscroll_updater, 0);
//console.log('onscroll() end');
};
NETDATA.supportsPassiveEvents = function() {
if(NETDATA.options.passive_events === null) {
var supportsPassive = false;
try {
var opts = Object.defineProperty({}, 'passive', {
get: function () {
supportsPassive = true;
}
});
window.addEventListener("test", null, opts);
} catch (e) {
console.log('browser does not support passive events');
}
NETDATA.options.passive_events = supportsPassive;
}
// console.log('passive ' + NETDATA.options.passive_events);
return NETDATA.options.passive_events;
};
window.addEventListener('resize', NETDATA.onresize, NETDATA.supportsPassiveEvents() ? { passive: true } : false);
window.addEventListener('scroll', NETDATA.onscroll, NETDATA.supportsPassiveEvents() ? { passive: true } : false);
// window.onresize = NETDATA.onresize;
// window.onscroll = NETDATA.onscroll;
// ----------------------------------------------------------------------------------------------------------------
// Error Handling
NETDATA.errorCodes = {
100: { message: "Cannot load chart library", alert: true },
101: { message: "Cannot load jQuery", alert: true },
402: { message: "Chart library not found", alert: false },
403: { message: "Chart library not enabled/is failed", alert: false },
404: { message: "Chart not found", alert: false },
405: { message: "Cannot download charts index from server", alert: true },
406: { message: "Invalid charts index downloaded from server", alert: true },
407: { message: "Cannot HELLO netdata server", alert: false },
408: { message: "Netdata servers sent invalid response to HELLO", alert: false },
409: { message: "Cannot ACCESS netdata registry", alert: false },
410: { message: "Netdata registry ACCESS failed", alert: false },
411: { message: "Netdata registry server send invalid response to DELETE ", alert: false },
412: { message: "Netdata registry DELETE failed", alert: false },
413: { message: "Netdata registry server send invalid response to SWITCH ", alert: false },
414: { message: "Netdata registry SWITCH failed", alert: false },
415: { message: "Netdata alarms download failed", alert: false },
416: { message: "Netdata alarms log download failed", alert: false },
417: { message: "Netdata registry server send invalid response to SEARCH ", alert: false },
418: { message: "Netdata registry SEARCH failed", alert: false }
};
NETDATA.errorLast = {
code: 0,
message: "",
datetime: 0
};
NETDATA.error = function(code, msg) {
NETDATA.errorLast.code = code;
NETDATA.errorLast.message = msg;
NETDATA.errorLast.datetime = Date.now();
console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
var ret = true;
if(typeof netdataErrorCallback === 'function') {
ret = netdataErrorCallback('system', code, msg);
}
if(ret && NETDATA.errorCodes[code].alert)
alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
};
NETDATA.errorReset = function() {
NETDATA.errorLast.code = 0;
NETDATA.errorLast.message = "You are doing fine!";
NETDATA.errorLast.datetime = 0;
};
// ----------------------------------------------------------------------------------------------------------------
// fast numbers formatting
NETDATA.fastNumberFormat = {
formatters_fixed: [],
formatters_zero_based: [],
// this is the fastest and the preferred
getIntlNumberFormat: function(min, max) {
var key = max;
if(min === max) {
if(typeof this.formatters_fixed[key] === 'undefined')
this.formatters_fixed[key] = new Intl.NumberFormat(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
return this.formatters_fixed[key];
}
else if(min === 0) {
if(typeof this.formatters_zero_based[key] === 'undefined')
this.formatters_zero_based[key] = new Intl.NumberFormat(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
return this.formatters_zero_based[key];
}
else {
// this is never used
// it is added just for completeness
return new Intl.NumberFormat(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
}
},
// this respects locale
getLocaleString: function(min, max) {
var key = max;
if(min === max) {
if(typeof this.formatters_fixed[key] === 'undefined')
this.formatters_fixed[key] = {
format: function (value) {
return value.toLocaleString(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
}
};
return this.formatters_fixed[key];
}
else if(min === 0) {
if(typeof this.formatters_zero_based[key] === 'undefined')
this.formatters_zero_based[key] = {
format: function (value) {
return value.toLocaleString(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
}
};
return this.formatters_zero_based[key];
}
else {
return {
format: function (value) {
return value.toLocaleString(undefined, {
// style: 'decimal',
// minimumIntegerDigits: 1,
// minimumSignificantDigits: 1,
// maximumSignificantDigits: 1,
useGrouping: true,
minimumFractionDigits: min,
maximumFractionDigits: max
});
}
};
}
},
// the fallback
getFixed: function(min, max) {
var key = max;
if(min === max) {
if(typeof this.formatters_fixed[key] === 'undefined')
this.formatters_fixed[key] = {
format: function (value) {
if(value === 0) return "0";
return value.toFixed(max);
}
};
return this.formatters_fixed[key];
}
else if(min === 0) {
if(typeof this.formatters_zero_based[key] === 'undefined')
this.formatters_zero_based[key] = {
format: function (value) {
if(value === 0) return "0";
return value.toFixed(max);
}
};
return this.formatters_zero_based[key];
}
else {
return {
format: function (value) {
if(value === 0) return "0";
return value.toFixed(max);
}
};
}
},
testIntlNumberFormat: function() {
var value = 1.12345;
var e1 = "1.12", e2 = "1,12";
var s = "";
try {
var x = new Intl.NumberFormat(undefined, {
useGrouping: true,
minimumFractionDigits: 2,
maximumFractionDigits: 2
});
s = x.format(value);
}
catch(e) {
s = "";
}
// console.log('NumberFormat: ', s);
return (s === e1 || s === e2);
},
testLocaleString: function() {
var value = 1.12345;
var e1 = "1.12", e2 = "1,12";
var s = "";
try {
s = value.toLocaleString(undefined, {
useGrouping: true,
minimumFractionDigits: 2,
maximumFractionDigits: 2
});
}
catch(e) {
s = "";
}
// console.log('localeString: ', s);
return (s === e1 || s === e2);
},
// on first run we decide which formatter to use
get: function(min, max) {
if(this.testIntlNumberFormat()) {
// console.log('numberformat');
this.get = this.getIntlNumberFormat;
}
else if(this.testLocaleString()) {
// console.log('localestring');
this.get = this.getLocaleString;
}
else {
// console.log('fixed');
this.get = this.getFixed;
}
return this.get(min, max);
}
};
// ----------------------------------------------------------------------------------------------------------------
// element data attributes
NETDATA.dataAttribute = function(element, attribute, def) {
var key = 'data-' + attribute.toString();
if(element.hasAttribute(key) === true) {
var data = element.getAttribute(key);
if(data === 'true') return true;
if(data === 'false') return false;
if(data === 'null') return null;
// Only convert to a number if it doesn't change the string
if(data === +data + '') return +data;
if(/^(?:\{[\w\W]*\}|\[[\w\W]*\])$/.test(data))
return JSON.parse(data);
return data;
}
else return def;
};
NETDATA.dataAttributeBoolean = function(element, attribute, def) {
var value = NETDATA.dataAttribute(element, attribute, def);
if(value === true || value === false)
return value;
if(typeof(value) === 'string') {
if(value === 'yes' || value === 'on')
return true;
if(value === '' || value === 'no' || value === 'off' || value === 'null')
return false;
return def;
}
if(typeof(value) === 'number')
return value !== 0;
return def;
};
// ----------------------------------------------------------------------------------------------------------------
// commonMin & commonMax
NETDATA.commonMin = {
keys: {},
latest: {},
globalReset: function() {
this.keys = {};
this.latest = {};
},
get: function(state) {
if(typeof state.tmp.__commonMin === 'undefined') {
// get the commonMin setting
state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
}
var min = state.data.min;
var name = state.tmp.__commonMin;
if(name === null) {
// we don't need commonMin
//state.log('no need for commonMin');
return min;
}
var t = this.keys[name];
if(typeof t === 'undefined') {
// add our commonMin
this.keys[name] = {};
t = this.keys[name];
}
var uuid = state.uuid;
if(typeof t[uuid] !== 'undefined') {
if(t[uuid] === min) {
//state.log('commonMin ' + state.tmp.__commonMin + ' not changed: ' + this.latest[name]);
return this.latest[name];
}
else if(min < this.latest[name]) {
//state.log('commonMin ' + state.tmp.__commonMin + ' increased: ' + min);
t[uuid] = min;
this.latest[name] = min;
return min;
}
}
// add our min
t[uuid] = min;
// find the common min
var m = min;
for(var i in t)
if(t.hasOwnProperty(i) && t[i] < m) m = t[i];
//state.log('commonMin ' + state.tmp.__commonMin + ' updated: ' + m);
this.latest[name] = m;
return m;
}
};
NETDATA.commonMax = {
keys: {},
latest: {},
globalReset: function() {
this.keys = {};
this.latest = {};
},
get: function(state) {
if(typeof state.tmp.__commonMax === 'undefined') {
// get the commonMax setting
state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
}
var max = state.data.max;
var name = state.tmp.__commonMax;
if(name === null) {
// we don't need commonMax
//state.log('no need for commonMax');
return max;
}
var t = this.keys[name];
if(typeof t === 'undefined') {
// add our commonMax
this.keys[name] = {};
t = this.keys[name];
}
var uuid = state.uuid;
if(typeof t[uuid] !== 'undefined') {
if(t[uuid] === max) {
//state.log('commonMax ' + state.tmp.__commonMax + ' not changed: ' + this.latest[name]);
return this.latest[name];
}
else if(max > this.latest[name]) {
//state.log('commonMax ' + state.tmp.__commonMax + ' increased: ' + max);
t[uuid] = max;
this.latest[name] = max;
return max;
}
}
// add our max
t[uuid] = max;
// find the common max
var m = max;
for(var i in t)
if(t.hasOwnProperty(i) && t[i] > m) m = t[i];
//state.log('commonMax ' + state.tmp.__commonMax + ' updated: ' + m);
this.latest[name] = m;
return m;
}
};
NETDATA.commonColors = {
keys: {},
globalReset: function() {
this.keys = {};
},
get: function(state, label) {
var ret = this.refill(state);
if(typeof ret.assigned[label] === 'undefined')
ret.assigned[label] = ret.available.shift();
return ret.assigned[label];
},
refill: function(state) {
var ret, len;
if(typeof state.tmp.__commonColors === 'undefined')
ret = this.prepare(state);
else {
ret = this.keys[state.tmp.__commonColors];
if(typeof ret === 'undefined')
ret = this.prepare(state);
}
if(ret.available.length === 0) {
if(ret.copy_theme === true || ret.custom.length === 0) {
// copy the theme colors
len = NETDATA.themes.current.colors.length;
while (len--)
ret.available.unshift(NETDATA.themes.current.colors[len]);
}
// copy the custom colors
len = ret.custom.length;
while (len--)
ret.available.unshift(ret.custom[len]);
}
state.colors_assigned = ret.assigned;
state.colors_available = ret.available;
state.colors_custom = ret.custom;
return ret;
},
__read_custom_colors: function(state, ret) {
// add the user supplied colors
var c = NETDATA.dataAttribute(state.element, 'colors', undefined);
if (typeof c === 'string' && c.length > 0) {
c = c.split(' ');
var len = c.length;
if (len > 0 && c[len - 1] === 'ONLY') {
len--;
ret.copy_theme = false;
}
while (len--)
ret.custom.unshift(c[len]);
}
},
prepare: function(state) {
var has_custom_colors = false;
if(typeof state.tmp.__commonColors === 'undefined') {
var defname = state.chart.context;
// if this chart has data-colors=""
// we should use the chart uuid as the default key (private palette)
// (data-common-colors="NAME" will be used anyways)
var c = NETDATA.dataAttribute(state.element, 'colors', undefined);
if (typeof c === 'string' && c.length > 0) {
defname = state.uuid;
has_custom_colors = true;
}
// get the commonColors setting
state.tmp.__commonColors = NETDATA.dataAttribute(state.element, 'common-colors', defname);
}
var name = state.tmp.__commonColors;
var ret = this.keys[name];
if(typeof ret === 'undefined') {
// add our commonMax
this.keys[name] = {
assigned: {}, // name-value of dimensions and their colors
available: [], // an array of colors available to be used
custom: [], // the array of colors defined by the user
charts: {}, // the charts linked to this
copy_theme: true
};
ret = this.keys[name];
}
if(typeof ret.charts[state.uuid] === 'undefined') {
ret.charts[state.uuid] = state;
if(has_custom_colors === true)
this.__read_custom_colors(state, ret);
}
return ret;
}
};
// ----------------------------------------------------------------------------------------------------------------
// Chart Registry
// When multiple charts need the same chart, we avoid downloading it
// multiple times (and having it in browser memory multiple time)
// by using this registry.
// Every time we download a chart definition, we save it here with .add()
// Then we try to get it back with .get(). If that fails, we download it.
NETDATA.fixHost = function(host) {
while(host.slice(-1) === '/')
host = host.substring(0, host.length - 1);
return host;
};
NETDATA.chartRegistry = {
charts: {},
globalReset: function() {
this.charts = {};
},
add: function(host, id, data) {
if(typeof this.charts[host] === 'undefined')
this.charts[host] = {};
//console.log('added ' + host + '/' + id);
this.charts[host][id] = data;
},
get: function(host, id) {
if(typeof this.charts[host] === 'undefined')
return null;
if(typeof this.charts[host][id] === 'undefined')
return null;
//console.log('cached ' + host + '/' + id);
return this.charts[host][id];
},
downloadAll: function(host, callback) {
host = NETDATA.fixHost(host);
var self = this;
function got_data(h, data, callback) {
if(data !== null) {
self.charts[h] = data.charts;
// update the server timezone in our options
if(typeof data.timezone === 'string')
NETDATA.options.server_timezone = data.timezone;
}
else NETDATA.error(406, h + '/api/v1/charts');
if(typeof callback === 'function')
callback(data);
}
if(netdataSnapshotData !== null) {
got_data(host, netdataSnapshotData.charts, callback);
}
else {
$.ajax({
url: host + '/api/v1/charts',
async: true,
cache: false,
xhrFields: {withCredentials: true} // required for the cookie
})
.done(function (data) {
data = NETDATA.xss.checkOptional('/api/v1/charts', data);
got_data(host, data, callback);
})
.fail(function () {
NETDATA.error(405, host + '/api/v1/charts');
if (typeof callback === 'function')
callback(null);
});
}
}
};
// ----------------------------------------------------------------------------------------------------------------
// Global Pan and Zoom on charts
// Using this structure are synchronize all the charts, so that
// when you pan or zoom one, all others are automatically refreshed
// to the same timespan.
NETDATA.globalPanAndZoom = {
seq: 0, // timestamp ms
// every time a chart is panned or zoomed
// we set the timestamp here
// then we use it as a sequence number
// to find if other charts are synchronized
// to this time-range
master: null, // the master chart (state), to which all others
// are synchronized
force_before_ms: null, // the timespan to sync all other charts
force_after_ms: null,
callback: null,
globalReset: function() {
this.clearMaster();
this.seq = 0;
this.master = null;
this.force_after_ms = null;
this.force_before_ms = null;
this.callback = null;
},
delay: function() {
if(NETDATA.options.debug.globalPanAndZoom === true)
console.log('globalPanAndZoom.delay()');
NETDATA.options.auto_refresher_stop_until = Date.now() + NETDATA.options.current.global_pan_sync_time;
},
// set a new master
setMaster: function(state, after, before) {
this.delay();
if(NETDATA.options.current.sync_pan_and_zoom === false)
return;
if(this.master === null) {
if(NETDATA.options.debug.globalPanAndZoom === true)
console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') SET MASTER');
}
else if(this.master !== state) {
if(NETDATA.options.debug.globalPanAndZoom === true)
console.log('globalPanAndZoom.setMaster(' + state.id + ', ' + after + ', ' + before + ') CHANGED MASTER');
this.master.resetChart(true, true);
}
var now = Date.now();
this.master = state;
this.seq = now;
this.force_after_ms = after;
this.force_before_ms = before;
if(typeof this.callback === 'function')
this.callback(true, after, before);
},
// clear the master
clearMaster: function() {
if(NETDATA.options.debug.globalPanAndZoom === true)
console.log('globalPanAndZoom.clearMaster()');
if(this.master !== null) {
var st = this.master;
this.master = null;
st.resetChart();
}
this.master = null;
this.seq = 0;
this.force_after_ms = null;
this.force_before_ms = null;
NETDATA.options.auto_refresher_stop_until = 0;
if(typeof this.callback === 'function')
this.callback(false, 0, 0);
},
// is the given state the master of the global
// pan and zoom sync?
isMaster: function(state) {
return (this.master === state);
},
// are we currently have a global pan and zoom sync?
isActive: function() {
return (this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0);
},
// check if a chart, other than the master
// needs to be refreshed, due to the global pan and zoom
shouldBeAutoRefreshed: function(state) {
if(this.master === null || this.seq === 0)
return false;
//if(state.needsRecreation())
// return true;
return (state.tm.pan_and_zoom_seq !== this.seq);
}
};
// ----------------------------------------------------------------------------------------------------------------
// global chart underlay (time-frame highlighting)
NETDATA.globalChartUnderlay = {
callback: null, // what to call when a highlighted range is setup
after: null, // highlight after this time
before: null, // highlight before this time
view_after: null, // the charts after_ms viewport when the highlight was setup
view_before: null, // the charts before_ms viewport, when the highlight was setup
state: null, // the chart the highlight was setup
isActive: function() {
return (this.after !== null && this.before !== null);
},
hasViewport: function() {
return (this.state !== null && this.view_after !== null && this.view_before !== null);
},
init: function(state, after, before, view_after, view_before) {
this.state = (typeof state !== 'undefined') ? state : null;
this.after = (typeof after !== 'undefined' && after !== null && after > 0) ? after : null;
this.before = (typeof before !== 'undefined' && before !== null && before > 0) ? before : null;
this.view_after = (typeof view_after !== 'undefined' && view_after !== null && view_after > 0) ? view_after : null;
this.view_before = (typeof view_before !== 'undefined' && view_before !== null && view_before > 0) ? view_before : null;
},
setup: function() {
if(this.isActive() === true) {
if (this.state === null)
this.state = NETDATA.options.targets[0];
if (typeof this.callback === 'function')
this.callback(true, this.after, this.before);
}
else {
if (typeof this.callback === 'function')
this.callback(false, 0, 0);
}
},
set: function(state, after, before, view_after, view_before) {
if(after > before) {
var t = after;
after = before;
before = t;
}
this.init(state, after, before, view_after, view_before);
if (this.hasViewport() === true)
NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before);
this.setup();
},
clear: function() {
this.after = null;
this.before = null;
this.state = null;
this.view_after = null;
this.view_before = null;
if(typeof this.callback === 'function')
this.callback(false, 0, 0);
},
focus: function() {
if(this.isActive() === true && this.hasViewport() === true) {
if(this.state === null)
this.state = NETDATA.options.targets[0];
if(NETDATA.globalPanAndZoom.isMaster(this.state) === true)
NETDATA.globalPanAndZoom.clearMaster();
NETDATA.globalPanAndZoom.setMaster(this.state, this.view_after, this.view_before, true);
}
}
};
// ----------------------------------------------------------------------------------------------------------------
// dimensions selection
// FIXME
// move color assignment to dimensions, here
var dimensionStatus = function(parent, label, name_div, value_div, color) {
this.enabled = false;
this.parent = parent;
this.label = label;
this.name_div = null;
this.value_div = null;
this.color = NETDATA.themes.current.foreground;
this.selected = (parent.unselected_count === 0);
this.setOptions(name_div, value_div, color);
};
dimensionStatus.prototype.invalidate = function() {
this.name_div = null;
this.value_div = null;
this.enabled = false;
};
dimensionStatus.prototype.setOptions = function(name_div, value_div, color) {
this.color = color;
if(this.name_div !== name_div) {
this.name_div = name_div;
this.name_div.title = this.label;
this.name_div.style.setProperty('color', this.color, 'important');
if(this.selected === false)
this.name_div.className = 'netdata-legend-name not-selected';
else
this.name_div.className = 'netdata-legend-name selected';
}
if(this.value_div !== value_div) {
this.value_div = value_div;
this.value_div.title = this.label;
this.value_div.style.setProperty('color', this.color, 'important');
if(this.selected === false)
this.value_div.className = 'netdata-legend-value not-selected';
else
this.value_div.className = 'netdata-legend-value selected';
}
this.enabled = true;
this.setHandler();
};
dimensionStatus.prototype.setHandler = function() {
if(this.enabled === false) return;
var ds = this;
// this.name_div.onmousedown = this.value_div.onmousedown = function(e) {
this.name_div.onclick = this.value_div.onclick = function(e) {
e.preventDefault();
if(ds.isSelected()) {
// this is selected
if(e.shiftKey === true || e.ctrlKey === true) {
// control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all)
ds.unselect();
if(ds.parent.countSelected() === 0)
ds.parent.selectAll();
}
else {
// no key is pressed -> select only this (except if it is the only selected already, in which case select all)
if(ds.parent.countSelected() === 1) {
ds.parent.selectAll();
}
else {
ds.parent.selectNone();
ds.select();
}
}
}
else {
// this is not selected
if(e.shiftKey === true || e.ctrlKey === true) {
// control or shift key is pressed -> select this too
ds.select();
}
else {
// no key is pressed -> select only this
ds.parent.selectNone();
ds.select();
}
}
ds.parent.state.redrawChart();
}
};
dimensionStatus.prototype.select = function() {
if(this.enabled === false) return;
this.name_div.className = 'netdata-legend-name selected';
this.value_div.className = 'netdata-legend-value selected';
this.selected = true;
};
dimensionStatus.prototype.unselect = function() {
if(this.enabled === false) return;
this.name_div.className = 'netdata-legend-name not-selected';
this.value_div.className = 'netdata-legend-value hidden';
this.selected = false;
};
dimensionStatus.prototype.isSelected = function() {
return(this.enabled === true && this.selected === true);
};
// ----------------------------------------------------------------------------------------------------------------
var dimensionsVisibility = function(state) {
this.state = state;
this.len = 0;
this.dimensions = {};
this.selected_count = 0;
this.unselected_count = 0;
};
dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) {
if(typeof this.dimensions[label] === 'undefined') {
this.len++;
this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color);
}
else
this.dimensions[label].setOptions(name_div, value_div, color);
return this.dimensions[label];
};
dimensionsVisibility.prototype.dimensionGet = function(label) {
return this.dimensions[label];
};
dimensionsVisibility.prototype.invalidateAll = function() {
var keys = Object.keys(this.dimensions);
var len = keys.length;
while(len--)
this.dimensions[keys[len]].invalidate();
};
dimensionsVisibility.prototype.selectAll = function() {
var keys = Object.keys(this.dimensions);
var len = keys.length;
while(len--)
this.dimensions[keys[len]].select();
};
dimensionsVisibility.prototype.countSelected = function() {
var selected = 0;
var keys = Object.keys(this.dimensions);
var len = keys.length;
while(len--)
if(this.dimensions[keys[len]].isSelected()) selected++;
return selected;
};
dimensionsVisibility.prototype.selectNone = function() {
var keys = Object.keys(this.dimensions);
var len = keys.length;
while(len--)
this.dimensions[keys[len]].unselect();
};
dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
var ret = [];
this.selected_count = 0;
this.unselected_count = 0;
var len = array.length;
while(len--) {
var ds = this.dimensions[array[len]];
if(typeof ds === 'undefined') {
// console.log(array[i] + ' is not found');
ret.unshift(false);
}
else if(ds.isSelected()) {
ret.unshift(true);
this.selected_count++;
}
else {
ret.unshift(false);
this.unselected_count++;
}
}
if(this.selected_count === 0 && this.unselected_count !== 0) {
this.selectAll();
return this.selected2BooleanArray(array);
}
return ret;
};
// ----------------------------------------------------------------------------------------------------------------
// date/time conversion
NETDATA.dateTime = {
using_timezone: false,
// these are the old netdata functions
// we fallback to these, if the new ones fail
localeDateStringNative: function(d) {
return d.toLocaleDateString();
},
localeTimeStringNative: function(d) {
return d.toLocaleTimeString();
},
xAxisTimeStringNative: function(d) {
return NETDATA.zeropad(d.getHours()) + ":"
+ NETDATA.zeropad(d.getMinutes()) + ":"
+ NETDATA.zeropad(d.getSeconds());
},
// initialize the new date/time conversion
// functions.
// if this fails, we fallback to the above
init: function(timezone) {
//console.log('init with timezone: ' + timezone);
// detect browser timezone
try {
NETDATA.options.browser_timezone = Intl.DateTimeFormat().resolvedOptions().timeZone;
}
catch(e) {
console.log('failed to detect browser timezone: ' + e.toString());
NETDATA.options.browser_timezone = 'cannot-detect-it';
}
var ret = false;
try {
var dateOptions ={
localeMatcher: 'best fit',
formatMatcher: 'best fit',
weekday: 'short',
year: 'numeric',
month: 'short',
day: '2-digit'
};
var timeOptions = {
localeMatcher: 'best fit',
hour12: false,
formatMatcher: 'best fit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit'
};
var xAxisOptions = {
localeMatcher: 'best fit',
hour12: false,
formatMatcher: 'best fit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit'
};
if(typeof timezone === 'string' && timezone !== '' && timezone !== 'default') {
dateOptions.timeZone = timezone;
timeOptions.timeZone = timezone;
timeOptions.timeZoneName = 'short';
xAxisOptions.timeZone = timezone;
this.using_timezone = true;
}
else {
timezone = 'default';
this.using_timezone = false;
}
this.dateFormat = new Intl.DateTimeFormat(navigator.language, dateOptions);
this.timeFormat = new Intl.DateTimeFormat(navigator.language, timeOptions);
this.xAxisFormat = new Intl.DateTimeFormat(navigator.language, xAxisOptions);
this.localeDateString = function(d) {
return this.dateFormat.format(d);
};
this.localeTimeString = function(d) {
return this.timeFormat.format(d);
};
this.xAxisTimeString = function(d) {
return this.xAxisFormat.format(d);
};
var d = new Date();
var t = this.dateFormat.format(d) + ' ' + this.timeFormat.format(d) + ' ' + this.xAxisFormat.format(d);
ret = true;
}
catch(e) {
console.log('Cannot setup Date/Time formatting: ' + e.toString());
timezone = 'default';
this.localeDateString = this.localeDateStringNative;
this.localeTimeString = this.localeTimeStringNative;
this.xAxisTimeString = this.xAxisTimeStringNative;
this.using_timezone = false;
ret = false;
}
// save it
//console.log('init setOption timezone: ' + timezone);
NETDATA.setOption('timezone', timezone);
return ret;
}
};
NETDATA.dateTime.init(NETDATA.options.current.timezone);
// ----------------------------------------------------------------------------------------------------------------
// units conversion
NETDATA.unitsConversion = {
keys: {}, // keys for data-common-units
latest: {}, // latest selected units for data-common-units
globalReset: function() {
this.keys = {};
this.latest = {};
},
scalableUnits: {
'kilobits/s': {
'bits/s': 1 / 1000,
'kilobits/s': 1,
'megabits/s': 1000,
'gigabits/s': 1000000,
'terabits/s': 1000000000
},
'kilobytes/s': {
'bytes/s': 1 / 1024,
'kilobytes/s': 1,
'megabytes/s': 1024,
'gigabytes/s': 1024 * 1024,
'terabytes/s': 1024 * 1024 * 1024
},
'KB/s': {
'B/s': 1 / 1024,
'KB/s': 1,
'MB/s': 1024,
'GB/s': 1024 * 1024,
'TB/s': 1024 * 1024 * 1024
},
'KB': {
'B': 1 / 1024,
'KB': 1,
'MB': 1024,
'GB': 1024 * 1024,
'TB': 1024 * 1024 * 1024
},
'MB': {
'B': 1 / (1024 * 1024),
'KB': 1 / 1024,
'MB': 1,
'GB': 1024,
'TB': 1024 * 1024,
'PB': 1024 * 1024 * 1024
},
'GB': {
'B': 1 / (1024 * 1024 * 1024),
'KB': 1 / (1024 * 1024),
'MB': 1 / 1024,
'GB': 1,
'TB': 1024,
'PB': 1024 * 1024,
'EB': 1024 * 1024 * 1024
}
/*
'milliseconds': {
'seconds': 1000
},
'seconds': {
'milliseconds': 0.001,
'seconds': 1,
'minutes': 60,
'hours': 3600,
'days': 86400
}
*/
},
convertibleUnits: {
'Celsius': {
'Fahrenheit': {
check: function(max) { void(max); return NETDATA.options.current.temperature === 'fahrenheit'; },
convert: function(value) { return value * 9 / 5 + 32; }
}
},
'celsius': {
'fahrenheit': {
check: function(max) { void(max); return NETDATA.options.current.temperature === 'fahrenheit'; },
convert: function(value) { return value * 9 / 5 + 32; }
}
},
'seconds': {
'time': {
check: function (max) { void(max); return NETDATA.options.current.seconds_as_time; },
convert: function(seconds) { return NETDATA.unitsConversion.seconds2time(seconds); }
}
},
'milliseconds': {
'milliseconds': {
check: function (max) { return NETDATA.options.current.seconds_as_time && max < 1000; },
convert: function(milliseconds) {
tms = Math.round(milliseconds * 10);
milliseconds = Math.floor(tms / 10);
tms -= milliseconds * 10;
return (milliseconds).toString() + '.' + tms.toString();
}
},
'seconds': {
check: function (max) { return NETDATA.options.current.seconds_as_time && max >= 1000 && max < 60000; },
convert: function(milliseconds) {
milliseconds = Math.round(milliseconds);
var seconds = Math.floor(milliseconds / 1000);
milliseconds -= seconds * 1000;
milliseconds = Math.round(milliseconds / 10);
return seconds.toString() + '.'
+ NETDATA.zeropad(milliseconds);
}
},
'M:SS.ms': {
check: function (max) { return NETDATA.options.current.seconds_as_time && max >= 60000; },
convert: function(milliseconds) {
milliseconds = Math.round(milliseconds);
var minutes = Math.floor(milliseconds / 60000);
milliseconds -= minutes * 60000;
var seconds = Math.floor(milliseconds / 1000);
milliseconds -= seconds * 1000;
milliseconds = Math.round(milliseconds / 10);
return minutes.toString() + ':'
+ NETDATA.zeropad(seconds) + '.'
+ NETDATA.zeropad(milliseconds);
}
}
}
},
seconds2time: function(seconds) {
seconds = Math.abs(seconds);
var days = Math.floor(seconds / 86400);
seconds -= days * 86400;
var hours = Math.floor(seconds / 3600);
seconds -= hours * 3600;
var minutes = Math.floor(seconds / 60);
seconds -= minutes * 60;
seconds = Math.round(seconds);
var ms_txt = '';
/*
var ms = seconds - Math.floor(seconds);
seconds -= ms;
ms = Math.round(ms * 1000);
if(ms > 1) {
if(ms < 10)
ms_txt = '.00' + ms.toString();
else if(ms < 100)
ms_txt = '.0' + ms.toString();
else
ms_txt = '.' + ms.toString();
}
*/
return ((days > 0)?days.toString() + 'd:':'').toString()
+ NETDATA.zeropad(hours) + ':'
+ NETDATA.zeropad(minutes) + ':'
+ NETDATA.zeropad(seconds)
+ ms_txt;
},
// get a function that converts the units
// + every time units are switched call the callback
get: function(uuid, min, max, units, desired_units, common_units_name, switch_units_callback) {
// validate the parameters
if(typeof units === 'undefined')
units = 'undefined';
// check if we support units conversion
if(typeof this.scalableUnits[units] === 'undefined' && typeof this.convertibleUnits[units] === 'undefined') {
// we can't convert these units
//console.log('DEBUG: ' + uuid.toString() + ' can\'t convert units: ' + units.toString());
return function(value) { return value; };
}
// check if the caller wants the original units
if(typeof desired_units === 'undefined' || desired_units === null || desired_units === 'original' || desired_units === units) {
//console.log('DEBUG: ' + uuid.toString() + ' original units wanted');
switch_units_callback(units);
return function(value) { return value; };
}
// now we know we can convert the units
// and the caller wants some kind of conversion
var tunits = null;
var tdivider = 0;
var x;
if(typeof this.scalableUnits[units] !== 'undefined') {
// units that can be scaled
// we decide a divider
// console.log('NETDATA.unitsConversion.get(' + units.toString() + ', ' + desired_units.toString() + ', function()) decide divider with min = ' + min.toString() + ', max = ' + max.toString());
if (desired_units === 'auto') {
// the caller wants to auto-scale the units
// find the absolute maximum value that is rendered on the chart
// based on this we decide the scale
min = Math.abs(min);
max = Math.abs(max);
if (min > max) max = min;
// find the smallest scale that provides integers
for (x in this.scalableUnits[units]) {
if (this.scalableUnits[units].hasOwnProperty(x)) {
var m = this.scalableUnits[units][x];
if (m <= max && m > tdivider) {
tunits = x;
tdivider = m;
}
}
}
if(tunits === null || tdivider <= 0) {
// we couldn't find one
//console.log('DEBUG: ' + uuid.toString() + ' cannot find an auto-scaling candidate for units: ' + units.toString() + ' (max: ' + max.toString() + ')');
switch_units_callback(units);
return function(value) { return value; };
}
if(typeof common_units_name === 'string' && typeof uuid === 'string') {
// the caller wants several charts to have the same units
// data-common-units
var common_units_key = common_units_name + '-' + units;
// add our divider into the list of keys
var t = this.keys[common_units_key];
if(typeof t === 'undefined') {
this.keys[common_units_key] = {};
t = this.keys[common_units_key];
}
t[uuid] = {
units: tunits,
divider: tdivider
};
// find the max divider of all charts
var common_units = t[uuid];
for(x in t) {
if (t.hasOwnProperty(x) && t[x].divider > common_units.divider)
common_units = t[x];
}
// save our common_max to the latest keys
var latest = this.latest[common_units_key];
if(typeof latest === 'undefined') {
this.latest[common_units_key] = {};
latest = this.latest[common_units_key];
}
latest.units = common_units.units;
latest.divider = common_units.divider;
tunits = latest.units;
tdivider = latest.divider;
//console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', common-units=' + common_units_name.toString() + ((t[uuid].divider !== tdivider)?' USED COMMON, mine was ' + t[uuid].units:' set common').toString());
// apply it to this chart
switch_units_callback(tunits);
return function(value) {
if(tdivider !== latest.divider) {
// another chart switched our common units
// we should switch them too
//console.log('DEBUG: ' + uuid + ' switching units due to a common-units change, from ' + tunits.toString() + ' to ' + latest.units.toString());
tunits = latest.units;
tdivider = latest.divider;
switch_units_callback(tunits);
}
return value / tdivider;
}
}
else {
// the caller did not give data-common-units
// this chart auto-scales independently of all others
//console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + tunits.toString() + ' with divider ' + tdivider.toString() + ', autonomously');
switch_units_callback(tunits);
return function (value) { return value / tdivider; };
}
}
else {
// the caller wants specific units
if(typeof this.scalableUnits[units][desired_units] !== 'undefined') {
// all good, set the new units
tdivider = this.scalableUnits[units][desired_units];
// console.log('DEBUG: ' + uuid.toString() + ' converted units: ' + units.toString() + ' to units: ' + desired_units.toString() + ' with divider ' + tdivider.toString() + ', by reference');
switch_units_callback(desired_units);
return function (value) { return value / tdivider; };
}
else {
// oops! switch back to original units
console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.');
switch_units_callback(units);
return function (value) { return value; };
}
}
}
else if(typeof this.convertibleUnits[units] !== 'undefined') {
// units that can be converted
if(desired_units === 'auto') {
for(x in this.convertibleUnits[units]) {
if (this.convertibleUnits[units].hasOwnProperty(x)) {
if (this.convertibleUnits[units][x].check(max)) {
//console.log('DEBUG: ' + uuid.toString() + ' converting ' + units.toString() + ' to: ' + x.toString());
switch_units_callback(x);
return this.convertibleUnits[units][x].convert;
}
}
}
// none checked ok
//console.log('DEBUG: ' + uuid.toString() + ' no conversion available for ' + units.toString() + ' to: ' + desired_units.toString());
switch_units_callback(units);
return function (value) { return value; };
}
else if(typeof this.convertibleUnits[units][desired_units] !== 'undefined') {
switch_units_callback(desired_units);
return this.convertibleUnits[units][desired_units].convert;
}
else {
console.log('Units conversion from ' + units.toString() + ' to ' + desired_units.toString() + ' is not supported.');
switch_units_callback(units);
return function (value) { return value; };
}
}
else {
// hm... did we forget to implement the new type?
console.log('Unmatched unit conversion method for units ' + units.toString());
switch_units_callback(units);
return function (value) { return value; };
}
}
};
// ----------------------------------------------------------------------------------------------------------------
// global selection sync
NETDATA.globalSelectionSync = {
state: null,
dont_sync_before: 0,
last_t: 0,
slaves: [],
timeout_id: undefined,
globalReset: function() {
this.stop();
this.state = null;
this.dont_sync_before = 0;
this.last_t = 0;
this.slaves = [];
this.timeout_id = undefined;
},
active: function() {
return (this.state !== null);
},
// return true if global selection sync can be enabled now
enabled: function() {
// console.log('enabled()');
// can we globally apply selection sync?
if(NETDATA.options.current.sync_selection === false)
return false;
return (this.dont_sync_before <= Date.now());
},
// set the global selection sync master
setMaster: function(state) {
if(this.enabled() === false) {
this.stop();
return;
}
if(this.state === state)
return;
if(this.state !== null)
this.stop();
if(NETDATA.options.debug.globalSelectionSync === true)
console.log('globalSelectionSync.setMaster(' + state.id + ')');
state.selected = true;
this.state = state;
this.last_t = 0;
// find all slaves
var targets = NETDATA.intersectionObserver.targets();
this.slaves = [];
var len = targets.length;
while(len--) {
var st = targets[len];
if (this.state !== st && st.globalSelectionSyncIsEligible() === true)
this.slaves.push(st);
}
// this.delay(100);
},
// stop global selection sync
stop: function() {
if(this.state !== null) {
if(NETDATA.options.debug.globalSelectionSync === true)
console.log('globalSelectionSync.stop()');
var len = this.slaves.length;
while (len--)
this.slaves[len].clearSelection();
this.state.clearSelection();
this.last_t = 0;
this.slaves = [];
this.state = null;
}
},
// delay global selection sync for some time
delay: function(ms) {
if(NETDATA.options.current.sync_selection === true) {
if(NETDATA.options.debug.globalSelectionSync === true)
console.log('globalSelectionSync.delay()');
if(typeof ms === 'number')
this.dont_sync_before = Date.now() + ms;
else
this.dont_sync_before = Date.now() + NETDATA.options.current.sync_selection_delay;
}
},
__syncSlaves: function() {
if(NETDATA.globalSelectionSync.enabled() === true) {
if(NETDATA.options.debug.globalSelectionSync === true)
console.log('globalSelectionSync.__syncSlaves()');
var t = NETDATA.globalSelectionSync.last_t;
var len = NETDATA.globalSelectionSync.slaves.length;
while (len--)
NETDATA.globalSelectionSync.slaves[len].setSelection(t);
this.timeout_id = undefined;
}
},
// sync all the visible charts to the given time
// this is to be called from the chart libraries
sync: function(state, t) {
if(NETDATA.options.current.sync_selection === true) {
if(NETDATA.options.debug.globalSelectionSync === true)
console.log('globalSelectionSync.sync(' + state.id + ', ' + t.toString() + ')');
this.setMaster(state);
if(t === this.last_t)
return;
this.last_t = t;
if (state.foreign_element_selection !== null)
state.foreign_element_selection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t);
if (this.timeout_id)
NETDATA.timeout.clear(this.timeout_id);
this.timeout_id = NETDATA.timeout.set(this.__syncSlaves, 0);
}
}
};
NETDATA.intersectionObserver = {
observer: null,
visible_targets: [],
options: {
root: null,
rootMargin: "0px",
threshold: null
},
enabled: function() {
return this.observer !== null;
},
globalReset: function() {
if(this.observer !== null) {
this.visible_targets = [];
this.observer.disconnect();
this.init();
}
},
targets: function() {
if(this.enabled() === true && this.visible_targets.length > 0)
return this.visible_targets;
else
return NETDATA.options.targets;
},
switchChartVisibility: function() {
var old = this.__visibilityRatioOld;
if(old !== this.__visibilityRatio) {
if (old === 0 && this.__visibilityRatio > 0)
this.unhideChart();
else if (old > 0 && this.__visibilityRatio === 0)
this.hideChart();
this.__visibilityRatioOld = this.__visibilityRatio;
}
},
handler: function(entries, observer) {
entries.forEach(function(entry) {
var state = NETDATA.chartState(entry.target);
var idx;
if(entry.intersectionRatio > 0) {
idx = NETDATA.intersectionObserver.visible_targets.indexOf(state);
if(idx === -1) {
if(NETDATA.scrollUp === true)
NETDATA.intersectionObserver.visible_targets.push(state);
else
NETDATA.intersectionObserver.visible_targets.unshift(state);
}
else if(state.__visibilityRatio === 0)
state.log("was not visible until now, but was already in visible_targets");
}
else {
idx = NETDATA.intersectionObserver.visible_targets.indexOf(state);
if(idx !== -1)
NETDATA.intersectionObserver.visible_targets.splice(idx, 1);
else if(state.__visibilityRatio > 0)
state.log("was visible, but not found in visible_targets");
}
state.__visibilityRatio = entry.intersectionRatio;
if(NETDATA.options.current.async_on_scroll === false) {
if(window.requestIdleCallback)
window.requestIdleCallback(function() {
NETDATA.intersectionObserver.switchChartVisibility.call(state);
}, {timeout: 100});
else
NETDATA.intersectionObserver.switchChartVisibility.call(state);
}
});
},
observe: function(state) {
if(this.enabled() === true) {
state.__visibilityRatioOld = 0;
state.__visibilityRatio = 0;
this.observer.observe(state.element);
state.isVisible = function() {
if(NETDATA.options.current.update_only_visible === false)
return true;
NETDATA.intersectionObserver.switchChartVisibility.call(this);
return this.__visibilityRatio > 0;
}
}
},
init: function() {
if(typeof netdataIntersectionObserver === 'undefined' || netdataIntersectionObserver === true) {
try {
this.observer = new IntersectionObserver(this.handler, this.options);
}
catch (e) {
console.log("IntersectionObserver is not supported on this browser");
this.observer = null;
}
}
//else {
// console.log("IntersectionObserver is disabled");
//}
}
};
NETDATA.intersectionObserver.init();
// ----------------------------------------------------------------------------------------------------------------
// Our state object, where all per-chart values are stored
var chartState = function(element) {
this.element = element;
// IMPORTANT:
// all private functions should use 'that', instead of 'this'
var that = this;
// ============================================================================================================
// ERROR HANDLING
/* error() - private
* show an error instead of the chart
*/
var error = function(msg) {
var ret = true;
if(typeof netdataErrorCallback === 'function') {
ret = netdataErrorCallback('chart', that.id, msg);
}
if(ret) {
that.element.innerHTML = that.id + ': ' + msg;
that.enabled = false;
that.current = that.pan;
}
};
// console logging
this.log = function(msg) {
console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
};
// ============================================================================================================
// EARLY INITIALIZATION
// These are variables that should exist even if the chart is never to be rendered.
// Be careful what you add here - there may be thousands of charts on the page.
// GUID - a unique identifier for the chart
this.uuid = NETDATA.guid();
// string - the name of chart
this.id = NETDATA.dataAttribute(this.element, 'netdata', undefined);
if(typeof this.id === 'undefined') {
error("netdata elements need data-netdata");
return;
}
// string - the key for localStorage settings
this.settings_id = NETDATA.dataAttribute(this.element, 'id', null);
// the user given dimensions of the element
this.width = NETDATA.dataAttribute(this.element, 'width', NETDATA.chartDefaults.width);
this.height = NETDATA.dataAttribute(this.element, 'height', NETDATA.chartDefaults.height);
this.height_original = this.height;
if(this.settings_id !== null) {
this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function(height) {
// this is the callback that will be called
// if and when the user resets all localStorage variables
// to their defaults
resizeChartToHeight(height);
});
}
// the chart library requested by the user
this.library_name = NETDATA.dataAttribute(this.element, 'chart-library', NETDATA.chartDefaults.library);
// check the requested library is available
// we don't initialize it here - it will be initialized when
// this chart will be first used
if(typeof NETDATA.chartLibraries[this.library_name] === 'undefined') {
NETDATA.error(402, this.library_name);
error('chart library "' + this.library_name + '" is not found');
this.enabled = false;
}
else if(NETDATA.chartLibraries[this.library_name].enabled === false) {
NETDATA.error(403, this.library_name);
error('chart library "' + this.library_name + '" is not enabled');
this.enabled = false;
}
else
this.library = NETDATA.chartLibraries[this.library_name];
this.auto = {
name: 'auto',
autorefresh: true,
force_update_at: 0, // the timestamp to force the update at
force_before_ms: null,
force_after_ms: null
};
this.pan = {
name: 'pan',
autorefresh: false,
force_update_at: 0, // the timestamp to force the update at
force_before_ms: null,
force_after_ms: null
};
this.zoom = {
name: 'zoom',
autorefresh: false,
force_update_at: 0, // the timestamp to force the update at
force_before_ms: null,
force_after_ms: null
};
// this is a pointer to one of the sub-classes below
// auto, pan, zoom
this.current = this.auto;
this.running = false; // boolean - true when the chart is being refreshed now
this.enabled = true; // boolean - is the chart enabled for refresh?
this.force_update_every = null; // number - overwrite the visualization update frequency of the chart
this.tmp = {};
this.foreign_element_before = null;
this.foreign_element_after = null;
this.foreign_element_duration = null;
this.foreign_element_update_every = null;
this.foreign_element_selection = null;
// ============================================================================================================
// PRIVATE FUNCTIONS
// reset the runtime status variables to their defaults
var runtimeInit = function() {
that.paused = false; // boolean - is the chart paused for any reason?
that.selected = false; // boolean - is the chart shown a selection?
that.chart_created = false; // boolean - is the library.create() been called?
that.dom_created = false; // boolean - is the chart DOM been created?
that.fetching_data = false; // boolean - true while we fetch data via ajax
that.updates_counter = 0; // numeric - the number of refreshes made so far
that.updates_since_last_unhide = 0; // numeric - the number of refreshes made since the last time the chart was unhidden
that.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created
that.tm = {
last_initialized: 0, // milliseconds - the timestamp it was last initialized
last_dom_created: 0, // milliseconds - the timestamp its DOM was last created
last_mode_switch: 0, // milliseconds - the timestamp it switched modes
last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart
last_updated: 0, // the timestamp the chart last updated with data
pan_and_zoom_seq: 0, // the sequence number of the global synchronization
// between chart.
// Used with NETDATA.globalPanAndZoom.seq
last_visible_check: 0, // the time we last checked if it is visible
last_resized: 0, // the time the chart was resized
last_hidden: 0, // the time the chart was hidden
last_unhidden: 0, // the time the chart was unhidden
last_autorefreshed: 0 // the time the chart was last refreshed
};
that.data = null; // the last data as downloaded from the netdata server
that.data_url = 'invalid://'; // string - the last url used to update the chart
that.data_points = 0; // number - the number of points returned from netdata
that.data_after = 0; // milliseconds - the first timestamp of the data
that.data_before = 0; // milliseconds - the last timestamp of the data
that.data_update_every = 0; // milliseconds - the frequency to update the data
that.tmp = {}; // members that can be destroyed to save memory
};
// initialize all the variables that are required for the chart to be rendered
var lateInitialization = function() {
if(typeof that.host !== 'undefined')
return;
// string - the netdata server URL, without any path
that.host = NETDATA.dataAttribute(that.element, 'host', NETDATA.serverDefault);
// make sure the host does not end with /
// all netdata API requests use absolute paths
while(that.host.slice(-1) === '/')
that.host = that.host.substring(0, that.host.length - 1);
// string - the grouping method requested by the user
that.method = NETDATA.dataAttribute(that.element, 'method', NETDATA.chartDefaults.method);
that.gtime = NETDATA.dataAttribute(that.element, 'gtime', 0);
// the time-range requested by the user
that.after = NETDATA.dataAttribute(that.element, 'after', NETDATA.chartDefaults.after);
that.before = NETDATA.dataAttribute(that.element, 'before', NETDATA.chartDefaults.before);
// the pixels per point requested by the user
that.pixels_per_point = NETDATA.dataAttribute(that.element, 'pixels-per-point', 1);
that.points = NETDATA.dataAttribute(that.element, 'points', null);
// the forced update_every
that.force_update_every = NETDATA.dataAttribute(that.element, 'update-every', null);
if(typeof that.force_update_every !== 'number' || that.force_update_every <= 1) {
if(that.force_update_every !== null)
that.log('ignoring invalid value of property data-update-every');
that.force_update_every = null;
}
else
that.force_update_every *= 1000;
// the dimensions requested by the user
that.dimensions = NETDATA.dataAttribute(that.element, 'dimensions', null);
that.title = NETDATA.dataAttribute(that.element, 'title', null); // the title of the chart
that.units = NETDATA.dataAttribute(that.element, 'units', null); // the units of the chart dimensions
that.units_desired = NETDATA.dataAttribute(that.element, 'desired-units', NETDATA.options.current.units); // the units of the chart dimensions
that.units_current = that.units;
that.units_common = NETDATA.dataAttribute(that.element, 'common-units', null);
that.append_options = NETDATA.dataAttribute(that.element, 'append-options', null); // additional options to pass to netdata
that.override_options = NETDATA.dataAttribute(that.element, 'override-options', null); // override options to pass to netdata
that.debug = NETDATA.dataAttributeBoolean(that.element, 'debug', false);
that.value_decimal_detail = -1;
var d = NETDATA.dataAttribute(that.element, 'decimal-digits', -1);
if(typeof d === 'number')
that.value_decimal_detail = d;
else if(typeof d !== 'undefined')
that.log('ignoring decimal-digits value: ' + d.toString());
// if we need to report the rendering speed
// find the element that needs to be updated
var refresh_dt_element_name = NETDATA.dataAttribute(that.element, 'dt-element-name', null); // string - the element to print refresh_dt_ms
if(refresh_dt_element_name !== null) {
that.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
}
else
that.refresh_dt_element = null;
that.dimensions_visibility = new dimensionsVisibility(that);
that.netdata_first = 0; // milliseconds - the first timestamp in netdata
that.netdata_last = 0; // milliseconds - the last timestamp in netdata
that.requested_after = null; // milliseconds - the timestamp of the request after param
that.requested_before = null; // milliseconds - the timestamp of the request before param
that.requested_padding = null;
that.view_after = 0;
that.view_before = 0;
that.refresh_dt_ms = 0; // milliseconds - the time the last refresh took
// how many retries we have made to load chart data from the server
that.retries_on_data_failures = 0;
// color management
that.colors = null;
that.colors_assigned = null;
that.colors_available = null;
that.colors_custom = null;
that.element_message = null; // the element already created by the user
that.element_chart = null; // the element with the chart
that.element_legend = null; // the element with the legend of the chart (if created by us)
that.element_legend_childs = {
content: null,
hidden: null,
title_date: null,
title_time: null,
title_units: null,
perfect_scroller: null, // the container to apply perfect scroller to
series: null
};
that.chart_url = null; // string - the url to download chart info
that.chart = null; // object - the chart as downloaded from the server
function get_foreign_element_by_id(opt) {
var id = NETDATA.dataAttribute(that.element, opt, null);
if(id === null) {
//that.log('option "' + opt + '" is undefined');
return null;
}
var el = document.getElementById(id);
if(typeof el === 'undefined') {
that.log('cannot find an element with name "' + id.toString() + '"');
return null;
}
return el;
}
that.foreign_element_before = get_foreign_element_by_id('show-before-at');
that.foreign_element_after = get_foreign_element_by_id('show-after-at');
that.foreign_element_duration = get_foreign_element_by_id('show-duration-at');
that.foreign_element_update_every = get_foreign_element_by_id('show-update-every-at');
that.foreign_element_selection = get_foreign_element_by_id('show-selection-at');
};
var destroyDOM = function() {
if(that.enabled === false) return;
if(that.debug === true)
that.log('destroyDOM()');
// that.element.className = 'netdata-message icon';
// that.element.innerHTML = ' netdata';
that.element.innerHTML = '';
that.element_message = null;
that.element_legend = null;
that.element_chart = null;
that.element_legend_childs.series = null;
that.chart_created = false;
that.dom_created = false;
that.tm.last_resized = 0;
that.tm.last_dom_created = 0;
};
var createDOM = function() {
if(that.enabled === false) return;
lateInitialization();
destroyDOM();
if(that.debug === true)
that.log('createDOM()');
that.element_message = document.createElement('div');
that.element_message.className = 'netdata-message icon hidden';
that.element.appendChild(that.element_message);
that.dom_created = true;
that.chart_created = false;
that.tm.last_dom_created =
that.tm.last_resized = Date.now();
showLoading();
};
var initDOM = function() {
that.element.className = that.library.container_class(that);
if(typeof(that.width) === 'string')
that.element.style.width = that.width;
else if(typeof(that.width) === 'number')
that.element.style.width = that.width.toString() + 'px';
if(typeof(that.library.aspect_ratio) === 'undefined') {
if(typeof(that.height) === 'string')
that.element.style.height = that.height;
else if(typeof(that.height) === 'number')
that.element.style.height = that.height.toString() + 'px';
}
if(NETDATA.chartDefaults.min_width !== null)
that.element.style.min_width = NETDATA.chartDefaults.min_width;
};
var invisibleSearchableText = function() {
return '' + that.id + '';
}
/* init() private
* initialize state variables
* destroy all (possibly) created state elements
* create the basic DOM for a chart
*/
var init = function(opt) {
if(that.enabled === false) return;
runtimeInit();
that.element.innerHTML = invisibleSearchableText();
that.tm.last_initialized = Date.now();
that.setMode('auto');
if(opt !== 'fast') {
if (that.isVisible(true) || opt === 'force')
createDOM();
}
};
var maxMessageFontSize = function() {
var screenHeight = screen.height;
var el = that.element;
// normally we want a font size, as tall as the element
var h = el.clientHeight;
// but give it some air, 20% let's say, or 5 pixels min
var lost = Math.max(h * 0.2, 5);
h -= lost;
// center the text, vertically
var paddingTop = (lost - 5) / 2;
// but check the width too
// it should fit 10 characters in it
var w = el.clientWidth / 10;
if(h > w) {
paddingTop += (h - w) / 2;
h = w;
}
// and don't make it too huge
// 5% of the screen size is good
if(h > screenHeight / 20) {
paddingTop += (h - (screenHeight / 20)) / 2;
h = screenHeight / 20;
}
// set it
that.element_message.style.fontSize = h.toString() + 'px';
that.element_message.style.paddingTop = paddingTop.toString() + 'px';
};
var showMessageIcon = function(icon) {
that.element_message.innerHTML = icon;
maxMessageFontSize();
$(that.element_message).removeClass('hidden');
that.tmp.___messageHidden___ = undefined;
};
var hideMessage = function() {
if(typeof that.tmp.___messageHidden___ === 'undefined') {
that.tmp.___messageHidden___ = true;
$(that.element_message).addClass('hidden');
}
};
var showRendering = function() {
var icon;
if(that.chart !== null) {
if(that.chart.chart_type === 'line')
icon = '';
else
icon = '';
}
else
icon = '';
showMessageIcon(icon + ' netdata' + invisibleSearchableText());
};
var showLoading = function() {
if(that.chart_created === false) {
showMessageIcon(' netdata');
return true;
}
return false;
};
var isHidden = function() {
return (typeof that.tmp.___chartIsHidden___ !== 'undefined');
};
// hide the chart, when it is not visible - called from isVisible()
this.hideChart = function() {
// hide it, if it is not already hidden
if(isHidden() === true) return;
if(this.chart_created === true) {
if(NETDATA.options.current.show_help === true) {
if(this.element_legend_childs.toolbox !== null) {
if(this.debug === true)
this.log('hideChart(): hidding legend popovers');
$(this.element_legend_childs.toolbox_left).popover('hide');
$(this.element_legend_childs.toolbox_reset).popover('hide');
$(this.element_legend_childs.toolbox_right).popover('hide');
$(this.element_legend_childs.toolbox_zoomin).popover('hide');
$(this.element_legend_childs.toolbox_zoomout).popover('hide');
}
if(this.element_legend_childs.resize_handler !== null)
$(this.element_legend_childs.resize_handler).popover('hide');
if(this.element_legend_childs.content !== null)
$(this.element_legend_childs.content).popover('hide');
}
if(NETDATA.options.current.destroy_on_hide === true) {
if(this.debug === true)
this.log('hideChart(): initializing chart');
// we should destroy it
init('force');
}
else {
if(this.debug === true)
this.log('hideChart(): hiding chart');
showRendering();
this.element_chart.style.display = 'none';
this.element.style.willChange = 'auto';
if(this.element_legend !== null) this.element_legend.style.display = 'none';
if(this.element_legend_childs.toolbox !== null) this.element_legend_childs.toolbox.style.display = 'none';
if(this.element_legend_childs.resize_handler !== null) this.element_legend_childs.resize_handler.style.display = 'none';
this.tm.last_hidden = Date.now();
// de-allocate data
// This works, but I not sure there are no corner cases somewhere
// so it is commented - if the user has memory issues he can
// set Destroy on Hide for all charts
// this.data = null;
}
}
this.tmp.___chartIsHidden___ = true;
};
// unhide the chart, when it is visible - called from isVisible()
this.unhideChart = function() {
if(isHidden() === false) return;
this.tmp.___chartIsHidden___ = undefined;
this.updates_since_last_unhide = 0;
if(this.chart_created === false) {
if(this.debug === true)
this.log('unhideChart(): initializing chart');
// we need to re-initialize it, to show our background
// logo in bootstrap tabs, until the chart loads
init('force');
}
else {
if(this.debug === true)
this.log('unhideChart(): unhiding chart');
this.element.style.willChange = 'transform';
this.tm.last_unhidden = Date.now();
this.element_chart.style.display = '';
if(this.element_legend !== null) this.element_legend.style.display = '';
if(this.element_legend_childs.toolbox !== null) this.element_legend_childs.toolbox.style.display = '';
if(this.element_legend_childs.resize_handler !== null) this.element_legend_childs.resize_handler.style.display = '';
resizeChart();
hideMessage();
}
if(this.__redraw_on_unhide === true) {
if(this.debug === true)
this.log("redrawing chart on unhide");
this.__redraw_on_unhide = undefined;
this.redrawChart();
}
};
var canBeRendered = function(uncached_visibility) {
if(that.debug === true)
that.log('canBeRendered() called');
if(NETDATA.options.current.update_only_visible === false)
return true;
var ret = (
(
NETDATA.options.page_is_visible === true ||
NETDATA.options.current.stop_updates_when_focus_is_lost === false ||
that.updates_since_last_unhide === 0
)
&& isHidden() === false && that.isVisible(uncached_visibility) === true
);
if(that.debug === true)
that.log('canBeRendered(): ' + ret);
return ret;
};
// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
var callChartLibraryUpdateSafely = function(data) {
var status;
// we should not do this here
// if we prevent rendering the chart then:
// 1. globalSelectionSync will be wrong
// 2. globalPanAndZoom will be wrong
//if(canBeRendered(true) === false)
// return false;
if(NETDATA.options.fake_chart_rendering === true)
return true;
that.updates_counter++;
that.updates_since_last_unhide++;
that.updates_since_last_creation++;
if(NETDATA.options.debug.chart_errors === true)
status = that.library.update(that, data);
else {
try {
status = that.library.update(that, data);
}
catch(err) {
status = false;
}
}
if(status === false) {
error('chart failed to be updated as ' + that.library_name);
return false;
}
return true;
};
// https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
var callChartLibraryCreateSafely = function(data) {
var status;
// we should not do this here
// if we prevent rendering the chart then:
// 1. globalSelectionSync will be wrong
// 2. globalPanAndZoom will be wrong
//if(canBeRendered(true) === false)
// return false;
if(NETDATA.options.fake_chart_rendering === true)
return true;
that.updates_counter++;
that.updates_since_last_unhide++;
that.updates_since_last_creation++;
if(NETDATA.options.debug.chart_errors === true)
status = that.library.create(that, data);
else {
try {
status = that.library.create(that, data);
}
catch(err) {
status = false;
}
}
if(status === false) {
error('chart failed to be created as ' + that.library_name);
return false;
}
that.chart_created = true;
that.updates_since_last_creation = 0;
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// Chart Resize
// resizeChart() - private
// to be called just before the chart library to make sure that
// a properly sized dom is available
var resizeChart = function() {
if(that.tm.last_resized < NETDATA.options.last_page_resize) {
if(that.chart_created === false) return;
if(that.needsRecreation()) {
if(that.debug === true)
that.log('resizeChart(): initializing chart');
init('force');
}
else if(typeof that.library.resize === 'function') {
if(that.debug === true)
that.log('resizeChart(): resizing chart');
that.library.resize(that);
if(that.element_legend_childs.perfect_scroller !== null)
Ps.update(that.element_legend_childs.perfect_scroller);
maxMessageFontSize();
}
that.tm.last_resized = Date.now();
}
};
// this is the actual chart resize algorithm
// it will:
// - resize the entire container
// - update the internal states
// - resize the chart as the div changes height
// - update the scrollbar of the legend
var resizeChartToHeight = function(h) {
// console.log(h);
that.element.style.height = h;
if(that.settings_id !== null)
NETDATA.localStorageSet('chart_heights.' + that.settings_id, h);
var now = Date.now();
NETDATA.options.last_page_scroll = now;
NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing;
// force a resize
that.tm.last_resized = 0;
resizeChart();
};
this.resizeForPrint = function() {
if(typeof this.element_legend_childs !== 'undefined' && this.element_legend_childs.perfect_scroller !== null) {
var current = this.element.clientHeight;
var optimal = current
+ this.element_legend_childs.perfect_scroller.scrollHeight
- this.element_legend_childs.perfect_scroller.clientHeight;
if(optimal > current) {
// this.log('resized');
this.element.style.height = optimal + 'px';
this.library.resize(this);
}
}
};
this.resizeHandler = function(e) {
e.preventDefault();
if(typeof this.event_resize === 'undefined'
|| this.event_resize.chart_original_w === 'undefined'
|| this.event_resize.chart_original_h === 'undefined')
this.event_resize = {
chart_original_w: this.element.clientWidth,
chart_original_h: this.element.clientHeight,
last: 0
};
if(e.type === 'touchstart') {
this.event_resize.mouse_start_x = e.touches.item(0).pageX;
this.event_resize.mouse_start_y = e.touches.item(0).pageY;
}
else {
this.event_resize.mouse_start_x = e.clientX;
this.event_resize.mouse_start_y = e.clientY;
}
this.event_resize.chart_start_w = this.element.clientWidth;
this.event_resize.chart_start_h = this.element.clientHeight;
this.event_resize.chart_last_w = this.element.clientWidth;
this.event_resize.chart_last_h = this.element.clientHeight;
var now = Date.now();
if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed && this.element_legend_childs.perfect_scroller !== null) {
// double click / double tap event
// console.dir(this.element_legend_childs.content);
// console.dir(this.element_legend_childs.perfect_scroller);
// the optimal height of the chart
// showing the entire legend
var optimal = this.event_resize.chart_last_h
+ this.element_legend_childs.perfect_scroller.scrollHeight
- this.element_legend_childs.perfect_scroller.clientHeight;
// if we are not optimal, be optimal
if(this.event_resize.chart_last_h !== optimal) {
// this.log('resize to optimal, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
resizeChartToHeight(optimal.toString() + 'px');
}
// else if the current height is not the original/saved height
// reset to the original/saved height
else if(this.event_resize.chart_last_h !== this.event_resize.chart_original_h) {
// this.log('resize to original, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px');
}
// else if the current height is not the internal default height
// reset to the internal default height
else if((this.event_resize.chart_last_h.toString() + 'px') !== this.height_original) {
// this.log('resize to internal default, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString());
resizeChartToHeight(this.height_original.toString());
}
// else if the current height is not the firstchild's clientheight
// resize to it
else if(typeof this.element_legend_childs.perfect_scroller.firstChild !== 'undefined') {
var parent_rect = this.element.getBoundingClientRect();
var content_rect = this.element_legend_childs.perfect_scroller.firstElementChild.getBoundingClientRect();
var wanted = content_rect.top - parent_rect.top + this.element_legend_childs.perfect_scroller.firstChild.clientHeight + 18; // 15 = toolbox + 3 space
// console.log(parent_rect);
// console.log(content_rect);
// console.log(wanted);
// this.log('resize to firstChild, current = ' + this.event_resize.chart_last_h.toString() + 'px, original = ' + this.event_resize.chart_original_h.toString() + 'px, optimal = ' + optimal.toString() + 'px, internal = ' + this.height_original.toString() + 'px, firstChild = ' + wanted.toString() + 'px' );
if(this.event_resize.chart_last_h !== wanted)
resizeChartToHeight(wanted.toString() + 'px');
}
}
else {
this.event_resize.last = now;
// process movement event
document.onmousemove =
document.ontouchmove =
this.element_legend_childs.resize_handler.onmousemove =
this.element_legend_childs.resize_handler.ontouchmove =
function(e) {
var y = null;
switch(e.type) {
case 'mousemove': y = e.clientY; break;
case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break;
}
if(y !== null) {
var newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y;
if(newH >= 70 && newH !== that.event_resize.chart_last_h) {
resizeChartToHeight(newH.toString() + 'px');
that.event_resize.chart_last_h = newH;
}
}
};
// process end event
document.onmouseup =
document.ontouchend =
this.element_legend_childs.resize_handler.onmouseup =
this.element_legend_childs.resize_handler.ontouchend =
function(e) {
void(e);
// remove all the hooks
document.onmouseup =
document.onmousemove =
document.ontouchmove =
document.ontouchend =
that.element_legend_childs.resize_handler.onmousemove =
that.element_legend_childs.resize_handler.ontouchmove =
that.element_legend_childs.resize_handler.onmouseout =
that.element_legend_childs.resize_handler.onmouseup =
that.element_legend_childs.resize_handler.ontouchend =
null;
// allow auto-refreshes
NETDATA.options.auto_refresher_stop_until = 0;
};
}
};
var noDataToShow = function() {
showMessageIcon(' empty');
that.legendUpdateDOM();
that.tm.last_autorefreshed = Date.now();
// that.data_update_every = 30 * 1000;
//that.element_chart.style.display = 'none';
//if(that.element_legend !== null) that.element_legend.style.display = 'none';
//that.tmp.___chartIsHidden___ = true;
};
// ============================================================================================================
// PUBLIC FUNCTIONS
this.error = function(msg) {
error(msg);
};
this.setMode = function(m) {
if(this.current !== null && this.current.name === m) return;
if(m === 'auto')
this.current = this.auto;
else if(m === 'pan')
this.current = this.pan;
else if(m === 'zoom')
this.current = this.zoom;
else
this.current = this.auto;
this.current.force_update_at = 0;
this.current.force_before_ms = null;
this.current.force_after_ms = null;
this.tm.last_mode_switch = Date.now();
};
// ----------------------------------------------------------------------------------------------------------------
// global selection sync for slaves
// can the chart participate to the global selection sync as a slave?
this.globalSelectionSyncIsEligible = function() {
return (this.enabled === true
&& this.library !== null
&& typeof this.library.setSelection === 'function'
&& this.isVisible() === true
&& this.chart_created === true);
};
this.setSelection = function(t) {
if(typeof this.library.setSelection === 'function')
this.selected = (this.library.setSelection(this, t) === true);
else
this.selected = true;
if(this.selected === true && this.debug === true)
this.log('selection set to ' + t.toString());
if (this.foreign_element_selection !== null)
this.foreign_element_selection.innerText = NETDATA.dateTime.localeDateString(t) + ' ' + NETDATA.dateTime.localeTimeString(t);
return this.selected;
};
this.clearSelection = function() {
if(this.selected === true) {
if(typeof this.library.clearSelection === 'function')
this.selected = (this.library.clearSelection(this) !== true);
else
this.selected = false;
if(this.selected === false && this.debug === true)
this.log('selection cleared');
if (this.foreign_element_selection !== null)
this.foreign_element_selection.innerText = '';
this.legendReset();
}
return this.selected;
};
// ----------------------------------------------------------------------------------------------------------------
// find if a timestamp (ms) is shown in the current chart
this.timeIsVisible = function(t) {
return (t >= this.data_after && t <= this.data_before);
};
this.calculateRowForTime = function(t) {
if(this.timeIsVisible(t) === false) return -1;
return Math.floor((t - this.data_after) / this.data_update_every);
};
// ----------------------------------------------------------------------------------------------------------------
this.pauseChart = function() {
if(this.paused === false) {
if(this.debug === true)
this.log('pauseChart()');
this.paused = true;
}
};
this.unpauseChart = function() {
if(this.paused === true) {
if(this.debug === true)
this.log('unpauseChart()');
this.paused = false;
}
};
this.resetChart = function(dont_clear_master, dont_update) {
if(this.debug === true)
this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called');
if(typeof dont_clear_master === 'undefined')
dont_clear_master = false;
if(typeof dont_update === 'undefined')
dont_update = false;
if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) {
if(this.debug === true)
this.log('resetChart() diverting to clearMaster().');
// this will call us back with master === true
NETDATA.globalPanAndZoom.clearMaster();
return;
}
this.clearSelection();
this.tm.pan_and_zoom_seq = 0;
this.setMode('auto');
this.current.force_update_at = 0;
this.current.force_before_ms = null;
this.current.force_after_ms = null;
this.tm.last_autorefreshed = 0;
this.paused = false;
this.selected = false;
this.enabled = true;
// this.debug = false;
// do not update the chart here
// or the chart will flip-flop when it is the master
// of a selection sync and another chart becomes
// the new master
if(dont_update !== true && this.isVisible() === true) {
this.updateChart();
}
};
this.updateChartPanOrZoom = function(after, before, callback) {
var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
var ret = true;
NETDATA.globalPanAndZoom.delay();
NETDATA.globalSelectionSync.delay();
if(this.debug === true)
this.log(logme);
if(before < after) {
if(this.debug === true)
this.log(logme + 'flipped parameters, rejecting it.');
return false;
}
if(typeof this.fixed_min_duration === 'undefined')
this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000);
var min_duration = this.fixed_min_duration;
var current_duration = Math.round(this.view_before - this.view_after);
// round the numbers
after = Math.round(after);
before = Math.round(before);
// align them to update_every
// stretching them further away
after -= after % this.data_update_every;
before += this.data_update_every - (before % this.data_update_every);
// the final wanted duration
var wanted_duration = before - after;
// to allow panning, accept just a point below our minimum
if((current_duration - this.data_update_every) < min_duration)
min_duration = current_duration - this.data_update_every;
// we do it, but we adjust to minimum size and return false
// when the wanted size is below the current and the minimum
// and we zoom
if(wanted_duration < current_duration && wanted_duration < min_duration) {
if(this.debug === true)
this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString());
min_duration = this.fixed_min_duration;
var dt = (min_duration - wanted_duration) / 2;
before += dt;
after -= dt;
wanted_duration = before - after;
ret = false;
}
var tolerance = this.data_update_every * 2;
var movement = Math.abs(before - this.view_before);
if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret === true) {
if(this.debug === true)
this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false);
return false;
}
if(this.current.name === 'auto') {
this.log(logme + 'caller called me with mode: ' + this.current.name);
this.setMode('pan');
}
if(this.debug === true)
this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret);
this.current.force_update_at = Date.now() + NETDATA.options.current.pan_and_zoom_delay;
this.current.force_after_ms = after;
this.current.force_before_ms = before;
NETDATA.globalPanAndZoom.setMaster(this, after, before);
if(ret === true && typeof callback === 'function')
callback();
return ret;
};
this.updateChartPanOrZoomAsyncTimeOutId = undefined;
this.updateChartPanOrZoomAsync = function(after, before, callback) {
NETDATA.globalPanAndZoom.delay();
NETDATA.globalSelectionSync.delay();
if(NETDATA.globalPanAndZoom.isMaster(this) === false) {
this.pauseChart();
NETDATA.globalPanAndZoom.setMaster(this, after, before);
// NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.setMaster(this);
}
if(this.updateChartPanOrZoomAsyncTimeOutId)
NETDATA.timeout.clear(this.updateChartPanOrZoomAsyncTimeOutId);
NETDATA.timeout.set(function() {
that.updateChartPanOrZoomAsyncTimeOutId = undefined;
that.updateChartPanOrZoom(after, before, callback);
}, 0);
};
var __unitsConversionLastUnits = undefined;
var __unitsConversionLastUnitsDesired = undefined;
var __unitsConversionLastMin = undefined;
var __unitsConversionLastMax = undefined;
var __unitsConversion = function(value) { return value; };
this.unitsConversionSetup = function(min, max) {
if(this.units !== __unitsConversionLastUnits
|| this.units_desired !== __unitsConversionLastUnitsDesired
|| min !== __unitsConversionLastMin
|| max !== __unitsConversionLastMax) {
__unitsConversionLastUnits = this.units;
__unitsConversionLastUnitsDesired = this.units_desired;
__unitsConversionLastMin = min;
__unitsConversionLastMax = max;
__unitsConversion = NETDATA.unitsConversion.get(this.uuid, min, max, this.units, this.units_desired, this.units_common, function (units) {
// console.log('switching units from ' + that.units.toString() + ' to ' + units.toString());
that.units_current = units;
that.legendSetUnitsString(that.units_current);
});
}
};
var __legendFormatValueChartDecimalsLastMin = undefined;
var __legendFormatValueChartDecimalsLastMax = undefined;
var __legendFormatValueChartDecimals = -1;
var __intlNumberFormat = null;
this.legendFormatValueDecimalsFromMinMax = function(min, max) {
if(min === __legendFormatValueChartDecimalsLastMin && max === __legendFormatValueChartDecimalsLastMax)
return;
this.unitsConversionSetup(min, max);
if(__unitsConversion !== null) {
min = __unitsConversion(min);
max = __unitsConversion(max);
if(typeof min !== 'number' || typeof max !== 'number')
return;
}
__legendFormatValueChartDecimalsLastMin = min;
__legendFormatValueChartDecimalsLastMax = max;
var old = __legendFormatValueChartDecimals;
if(this.data !== null && this.data.min === this.data.max)
// it is a fixed number, let the visualizer decide based on the value
__legendFormatValueChartDecimals = -1;
else if(this.value_decimal_detail !== -1)
// there is an override
__legendFormatValueChartDecimals = this.value_decimal_detail;
else {
// ok, let's calculate the proper number of decimal points
var delta;
if (min === max)
delta = Math.abs(min);
else
delta = Math.abs(max - min);
if (delta > 1000) __legendFormatValueChartDecimals = 0;
else if (delta > 10) __legendFormatValueChartDecimals = 1;
else if (delta > 1) __legendFormatValueChartDecimals = 2;
else if (delta > 0.1) __legendFormatValueChartDecimals = 2;
else if (delta > 0.01) __legendFormatValueChartDecimals = 4;
else if (delta > 0.001) __legendFormatValueChartDecimals = 5;
else if (delta > 0.0001) __legendFormatValueChartDecimals = 6;
else __legendFormatValueChartDecimals = 7;
}
if(__legendFormatValueChartDecimals !== old) {
if(__legendFormatValueChartDecimals < 0)
__intlNumberFormat = null;
else
__intlNumberFormat = NETDATA.fastNumberFormat.get(
__legendFormatValueChartDecimals,
__legendFormatValueChartDecimals
);
}
};
this.legendFormatValue = function(value) {
if(typeof value !== 'number')
return '-';
value = __unitsConversion(value);
if(typeof value !== 'number')
return value;
if(__intlNumberFormat !== null)
return __intlNumberFormat.format(value);
var dmin, dmax;
if(this.value_decimal_detail !== -1) {
dmin = dmax = this.value_decimal_detail;
}
else {
dmin = 0;
var abs = (value < 0) ? -value : value;
if (abs > 1000) dmax = 0;
else if (abs > 10) dmax = 1;
else if (abs > 1) dmax = 2;
else if (abs > 0.1) dmax = 2;
else if (abs > 0.01) dmax = 4;
else if (abs > 0.001) dmax = 5;
else if (abs > 0.0001) dmax = 6;
else dmax = 7;
}
return NETDATA.fastNumberFormat.get(dmin, dmax).format(value);
};
this.legendSetLabelValue = function(label, value) {
var series = this.element_legend_childs.series[label];
if(typeof series === 'undefined') return;
if(series.value === null && series.user === null) return;
/*
// this slows down firefox and edge significantly
// since it requires to use innerHTML(), instead of innerText()
// if the value has not changed, skip DOM update
//if(series.last === value) return;
var s, r;
if(typeof value === 'number') {
var v = Math.abs(value);
s = r = this.legendFormatValue(value);
if(typeof series.last === 'number') {
if(v > series.last) s += '';
else if(v < series.last) s += '';
else s += '';
}
else s += '';
series.last = v;
}
else {
if(value === null)
s = r = '';
else
s = r = value;
series.last = value;
}
*/
var s = this.legendFormatValue(value);
// caching: do not update the update to show the same value again
if(s === series.last_shown_value) return;
series.last_shown_value = s;
if(series.value !== null) series.value.innerText = s;
if(series.user !== null) series.user.innerText = s;
};
this.legendSetDateString = function(date) {
if(this.element_legend_childs.title_date !== null && date !== this.tmp.__last_shown_legend_date) {
this.element_legend_childs.title_date.innerText = date;
this.tmp.__last_shown_legend_date = date;
}
};
this.legendSetTimeString = function(time) {
if(this.element_legend_childs.title_time !== null && time !== this.tmp.__last_shown_legend_time) {
this.element_legend_childs.title_time.innerText = time;
this.tmp.__last_shown_legend_time = time;
}
};
this.legendSetUnitsString = function(units) {
if(this.element_legend_childs.title_units !== null && units !== this.tmp.__last_shown_legend_units) {
this.element_legend_childs.title_units.innerText = units;
this.tmp.__last_shown_legend_units = units;
}
};
this.legendSetDateLast = {
ms: 0,
date: undefined,
time: undefined
};
this.legendSetDate = function(ms) {
if(typeof ms !== 'number') {
this.legendShowUndefined();
return;
}
if(this.legendSetDateLast.ms !== ms) {
var d = new Date(ms);
this.legendSetDateLast.ms = ms;
this.legendSetDateLast.date = NETDATA.dateTime.localeDateString(d);
this.legendSetDateLast.time = NETDATA.dateTime.localeTimeString(d);
}
this.legendSetDateString(this.legendSetDateLast.date);
this.legendSetTimeString(this.legendSetDateLast.time);
this.legendSetUnitsString(this.units_current)
};
this.legendShowUndefined = function() {
this.legendSetDateString(this.legendPluginModuleString(false));
this.legendSetTimeString(this.chart.context.toString());
// this.legendSetUnitsString(' ');
if(this.data && this.element_legend_childs.series !== null) {
var labels = this.data.dimension_names;
var i = labels.length;
while(i--) {
var label = labels[i];
if(typeof label === 'undefined' || typeof this.element_legend_childs.series[label] === 'undefined') continue;
this.legendSetLabelValue(label, null);
}
}
};
this.legendShowLatestValues = function() {
if(this.chart === null) return;
if(this.selected) return;
if(this.data === null || this.element_legend_childs.series === null) {
this.legendShowUndefined();
return;
}
var show_undefined = true;
if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every)
show_undefined = false;
if(show_undefined) {
this.legendShowUndefined();
return;
}
this.legendSetDate(this.view_before);
var labels = this.data.dimension_names;
var i = labels.length;
while(i--) {
var label = labels[i];
if(typeof label === 'undefined') continue;
if(typeof this.element_legend_childs.series[label] === 'undefined') continue;
if(show_undefined)
this.legendSetLabelValue(label, null);
else
this.legendSetLabelValue(label, this.data.view_latest_values[i]);
}
};
this.legendReset = function() {
this.legendShowLatestValues();
};
// this should be called just ONCE per dimension per chart
this.__chartDimensionColor = function(label) {
var c = NETDATA.commonColors.get(this, label);
// it is important to maintain a list of colors
// for this chart only, since the chart library
// uses this to assign colors to dimensions in the same
// order the dimension are given to it
this.colors.push(c);
return c;
};
this.chartPrepareColorPalette = function() {
NETDATA.commonColors.refill(this);
};
// get the ordered list of chart colors
// this includes user defined colors
this.chartCustomColors = function() {
this.chartPrepareColorPalette();
var colors;
if(this.colors_custom.length)
colors = this.colors_custom;
else
colors = this.colors;
if(this.debug === true) {
this.log("chartCustomColors() returns:");
this.log(colors);
}
return colors;
};
// get the ordered list of chart ASSIGNED colors
// (this returns only the colors that have been
// assigned to dimensions, prepended with any
// custom colors defined)
this.chartColors = function() {
this.chartPrepareColorPalette();
if(this.debug === true) {
this.log("chartColors() returns:");
this.log(this.colors);
}
return this.colors;
};
this.legendPluginModuleString = function(withContext) {
var str = ' ';
var context = '';
if(typeof this.chart !== 'undefined') {
if(withContext && typeof this.chart.context === 'string')
context = this.chart.context;
if (typeof this.chart.plugin === 'string' && this.chart.plugin !== '') {
str = this.chart.plugin;
if (typeof this.chart.module === 'string' && this.chart.module !== '') {
str += '/' + this.chart.module;
}
if (withContext && context !== '')
str += ', ' + context;
}
else if (withContext && context !== '')
str = context;
}
return str;
};
this.legendResolutionTooltip = function () {
if(!this.chart) return '';
var collected = this.chart.update_every;
var viewed = (this.data)?this.data.view_update_every:collected;
if(collected === viewed)
return "resolution " + NETDATA.seconds4human(collected);
return "resolution " + NETDATA.seconds4human(viewed) + ", collected every " + NETDATA.seconds4human(collected);
};
this.legendUpdateDOM = function() {
var needed = false, dim, keys, len, i;
// check that the legend DOM is up to date for the downloaded dimensions
if(typeof this.element_legend_childs.series !== 'object' || this.element_legend_childs.series === null) {
// this.log('the legend does not have any series - requesting legend update');
needed = true;
}
else if(this.data === null) {
// this.log('the chart does not have any data - requesting legend update');
needed = true;
}
else if(typeof this.element_legend_childs.series.labels_key === 'undefined') {
needed = true;
}
else {
var labels = this.data.dimension_names.toString();
if(labels !== this.element_legend_childs.series.labels_key) {
needed = true;
if(this.debug === true)
this.log('NEW LABELS: "' + labels + '" NOT EQUAL OLD LABELS: "' + this.element_legend_childs.series.labels_key + '"');
}
}
if(needed === false) {
// make sure colors available
this.chartPrepareColorPalette();
// do we have to update the current values?
// we do this, only when the visible chart is current
if(Math.abs(this.netdata_last - this.view_before) <= this.data_update_every) {
if(this.debug === true)
this.log('chart is in latest position... updating values on legend...');
//var labels = this.data.dimension_names;
//var i = labels.length;
//while(i--)
// this.legendSetLabelValue(labels[i], this.data.view_latest_values[i]);
}
return;
}
if(this.colors === null) {
// this is the first time we update the chart
// let's assign colors to all dimensions
if(this.library.track_colors() === true) {
this.colors = [];
keys = Object.keys(this.chart.dimensions);
len = keys.length;
for(i = 0; i < len ;i++)
NETDATA.commonColors.get(this, this.chart.dimensions[keys[i]].name);
}
}
// we will re-generate the colors for the chart
// based on the dimensions this result has data for
this.colors = [];
if(this.debug === true)
this.log('updating Legend DOM');
// mark all dimensions as invalid
this.dimensions_visibility.invalidateAll();
var genLabel = function(state, parent, dim, name, count) {
var color = state.__chartDimensionColor(name);
var user_element = null;
var user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + name.toLowerCase() + '-at', null);
if(user_id === null)
user_id = NETDATA.dataAttribute(state.element, 'show-value-of-' + dim.toLowerCase() + '-at', null);
if(user_id !== null) {
user_element = document.getElementById(user_id) || null;
if (user_element === null)
state.log('Cannot find element with id: ' + user_id);
}
state.element_legend_childs.series[name] = {
name: document.createElement('span'),
value: document.createElement('span'),
user: user_element,
last: null,
last_shown_value: null
};
var label = state.element_legend_childs.series[name];
// create the dimension visibility tracking for this label
state.dimensions_visibility.dimensionAdd(name, label.name, label.value, color);
var rgb = NETDATA.colorHex2Rgb(color);
label.name.innerHTML = '';
var text = document.createTextNode(' ' + name);
label.name.appendChild(text);
if(count > 0)
parent.appendChild(document.createElement('br'));
parent.appendChild(label.name);
parent.appendChild(label.value);
};
var content = document.createElement('div');
if(this.element_chart === null) {
this.element_chart = document.createElement('div');
this.element_chart.id = this.library_name + '-' + this.uuid + '-chart';
this.element.appendChild(this.element_chart);
if(this.hasLegend() === true)
this.element_chart.className = 'netdata-chart-with-legend-right netdata-' + this.library_name + '-chart-with-legend-right';
else
this.element_chart.className = ' netdata-chart netdata-' + this.library_name + '-chart';
}
if(this.hasLegend() === true) {
if(this.element_legend === null) {
this.element_legend = document.createElement('div');
this.element_legend.className = 'netdata-chart-legend netdata-' + this.library_name + '-legend';
this.element.appendChild(this.element_legend);
}
else
this.element_legend.innerHTML = '';
this.element_legend_childs = {
content: content,
resize_handler: null,
toolbox: null,
toolbox_left: null,
toolbox_right: null,
toolbox_reset: null,
toolbox_zoomin: null,
toolbox_zoomout: null,
toolbox_volume: null,
title_date: document.createElement('span'),
title_time: document.createElement('span'),
title_units: document.createElement('span'),
perfect_scroller: document.createElement('div'),
series: {}
};
if(NETDATA.options.current.legend_toolbox === true && this.library.toolboxPanAndZoom !== null) {
this.element_legend_childs.toolbox = document.createElement('div');
this.element_legend_childs.toolbox_left = document.createElement('div');
this.element_legend_childs.toolbox_right = document.createElement('div');
this.element_legend_childs.toolbox_reset = document.createElement('div');
this.element_legend_childs.toolbox_zoomin = document.createElement('div');
this.element_legend_childs.toolbox_zoomout = document.createElement('div');
this.element_legend_childs.toolbox_volume = document.createElement('div');
var get_pan_and_zoom_step = function(event) {
if (event.ctrlKey)
return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_control;
else if (event.shiftKey)
return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_shift;
else if (event.altKey)
return NETDATA.options.current.pan_and_zoom_factor * NETDATA.options.current.pan_and_zoom_factor_multiplier_alt;
else
return NETDATA.options.current.pan_and_zoom_factor;
};
this.element_legend_childs.toolbox.className += ' netdata-legend-toolbox';
this.element.appendChild(this.element_legend_childs.toolbox);
this.element_legend_childs.toolbox_left.className += ' netdata-legend-toolbox-button';
this.element_legend_childs.toolbox_left.innerHTML = '';
this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_left);
this.element_legend_childs.toolbox_left.onclick = function(e) {
e.preventDefault();
var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
var before = that.view_before - step;
var after = that.view_after - step;
if(after >= that.netdata_first)
that.library.toolboxPanAndZoom(that, after, before);
};
if(NETDATA.options.current.show_help === true)
$(this.element_legend_childs.toolbox_left).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
title: 'Pan Left',
content: 'Pan the chart to the left. You can also drag it with your mouse or your finger (on touch devices).
Help can be disabled from the settings.'
});
this.element_legend_childs.toolbox_reset.className += ' netdata-legend-toolbox-button';
this.element_legend_childs.toolbox_reset.innerHTML = '';
this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_reset);
this.element_legend_childs.toolbox_reset.onclick = function(e) {
e.preventDefault();
NETDATA.resetAllCharts(that);
};
if(NETDATA.options.current.show_help === true)
$(this.element_legend_childs.toolbox_reset).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
title: 'Chart Reset',
content: 'Reset all the charts to their default auto-refreshing state. You can also double click the chart contents with your mouse or your finger (on touch devices).
Help can be disabled from the settings.'
});
this.element_legend_childs.toolbox_right.className += ' netdata-legend-toolbox-button';
this.element_legend_childs.toolbox_right.innerHTML = '';
this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_right);
this.element_legend_childs.toolbox_right.onclick = function(e) {
e.preventDefault();
var step = (that.view_before - that.view_after) * get_pan_and_zoom_step(e);
var before = that.view_before + step;
var after = that.view_after + step;
if(before <= that.netdata_last)
that.library.toolboxPanAndZoom(that, after, before);
};
if(NETDATA.options.current.show_help === true)
$(this.element_legend_childs.toolbox_right).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
title: 'Pan Right',
content: 'Pan the chart to the right. You can also drag it with your mouse or your finger (on touch devices).
Help, can be disabled from the settings.'
});
this.element_legend_childs.toolbox_zoomin.className += ' netdata-legend-toolbox-button';
this.element_legend_childs.toolbox_zoomin.innerHTML = '';
this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomin);
this.element_legend_childs.toolbox_zoomin.onclick = function(e) {
e.preventDefault();
var dt = ((that.view_before - that.view_after) * (get_pan_and_zoom_step(e) * 0.8) / 2);
var before = that.view_before - dt;
var after = that.view_after + dt;
that.library.toolboxPanAndZoom(that, after, before);
};
if(NETDATA.options.current.show_help === true)
$(this.element_legend_childs.toolbox_zoomin).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
title: 'Chart Zoom In',
content: 'Zoom in the chart. You can also press SHIFT and select an area of the chart, or press SHIFT or ALT and use the mouse wheel or 2-finger touchpad scroll to zoom in or out.
Help, can be disabled from the settings.'
});
this.element_legend_childs.toolbox_zoomout.className += ' netdata-legend-toolbox-button';
this.element_legend_childs.toolbox_zoomout.innerHTML = '';
this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_zoomout);
this.element_legend_childs.toolbox_zoomout.onclick = function(e) {
e.preventDefault();
var dt = (((that.view_before - that.view_after) / (1.0 - (get_pan_and_zoom_step(e) * 0.8)) - (that.view_before - that.view_after)) / 2);
var before = that.view_before + dt;
var after = that.view_after - dt;
that.library.toolboxPanAndZoom(that, after, before);
};
if(NETDATA.options.current.show_help === true)
$(this.element_legend_childs.toolbox_zoomout).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
title: 'Chart Zoom Out',
content: 'Zoom out the chart. You can also press SHIFT or ALT and use the mouse wheel, or 2-finger touchpad scroll to zoom in or out.
Help, can be disabled from the settings.'
});
//this.element_legend_childs.toolbox_volume.className += ' netdata-legend-toolbox-button';
//this.element_legend_childs.toolbox_volume.innerHTML = '';
//this.element_legend_childs.toolbox_volume.title = 'Visible Volume';
//this.element_legend_childs.toolbox.appendChild(this.element_legend_childs.toolbox_volume);
//this.element_legend_childs.toolbox_volume.onclick = function(e) {
//e.preventDefault();
//alert('clicked toolbox_volume on ' + that.id);
//}
}
if(NETDATA.options.current.resize_charts === true) {
this.element_legend_childs.resize_handler = document.createElement('div');
this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler";
this.element_legend_childs.resize_handler.innerHTML = '';
this.element.appendChild(this.element_legend_childs.resize_handler);
if (NETDATA.options.current.show_help === true)
$(this.element_legend_childs.resize_handler).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
delay: {
show: NETDATA.options.current.show_help_delay_show_ms,
hide: NETDATA.options.current.show_help_delay_hide_ms
},
title: 'Chart Resize',
content: 'Drag this point with your mouse or your finger (on touch devices), to resize the chart vertically. You can also double click it or double tap it to reset between 2 states: the default and the one that fits all the values.
Help, can be disabled from the settings.'
});
// mousedown event
this.element_legend_childs.resize_handler.onmousedown =
function (e) {
that.resizeHandler(e);
};
// touchstart event
this.element_legend_childs.resize_handler.addEventListener('touchstart', function (e) {
that.resizeHandler(e);
}, false);
}
if(this.chart) {
this.element_legend_childs.title_date.title = this.legendPluginModuleString(true);
this.element_legend_childs.title_time.title = this.legendResolutionTooltip();
}
this.element_legend_childs.title_date.className += " netdata-legend-title-date";
this.element_legend.appendChild(this.element_legend_childs.title_date);
this.tmp.__last_shown_legend_date = undefined;
this.element_legend.appendChild(document.createElement('br'));
this.element_legend_childs.title_time.className += " netdata-legend-title-time";
this.element_legend.appendChild(this.element_legend_childs.title_time);
this.tmp.__last_shown_legend_time = undefined;
this.element_legend.appendChild(document.createElement('br'));
this.element_legend_childs.title_units.className += " netdata-legend-title-units";
this.element_legend_childs.title_units.innerText = this.units_current;
this.element_legend.appendChild(this.element_legend_childs.title_units);
this.tmp.__last_shown_legend_units = undefined;
this.element_legend.appendChild(document.createElement('br'));
this.element_legend_childs.perfect_scroller.className = 'netdata-legend-series';
this.element_legend.appendChild(this.element_legend_childs.perfect_scroller);
content.className = 'netdata-legend-series-content';
this.element_legend_childs.perfect_scroller.appendChild(content);
this.element_legend_childs.content = content;
if(NETDATA.options.current.show_help === true)
$(content).popover({
container: "body",
animation: false,
html: true,
trigger: 'hover',
placement: 'bottom',
title: 'Chart Legend',
delay: { show: NETDATA.options.current.show_help_delay_show_ms, hide: NETDATA.options.current.show_help_delay_hide_ms },
content: 'You can click or tap on the values or the labels to select dimensions. By pressing SHIFT or CONTROL, you can enable or disable multiple dimensions.
Help, can be disabled from the settings.'
});
}
else {
this.element_legend_childs = {
content: content,
resize_handler: null,
toolbox: null,
toolbox_left: null,
toolbox_right: null,
toolbox_reset: null,
toolbox_zoomin: null,
toolbox_zoomout: null,
toolbox_volume: null,
title_date: null,
title_time: null,
title_units: null,
perfect_scroller: null,
series: {}
};
}
if(this.data) {
this.element_legend_childs.series.labels_key = this.data.dimension_names.toString();
if(this.debug === true)
this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"');
for(i = 0, len = this.data.dimension_names.length; i < len ;i++) {
genLabel(this, content, this.data.dimension_ids[i], this.data.dimension_names[i], i);
}
}
else {
var tmp = [];
keys = Object.keys(this.chart.dimensions);
for(i = 0, len = keys.length; i < len ;i++) {
dim = keys[i];
tmp.push(this.chart.dimensions[dim].name);
genLabel(this, content, dim, this.chart.dimensions[dim].name, i);
}
this.element_legend_childs.series.labels_key = tmp.toString();
if(this.debug === true)
this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"');
}
// create a hidden div to be used for hidding
// the original legend of the chart library
var el = document.createElement('div');
if(this.element_legend !== null)
this.element_legend.appendChild(el);
el.style.display = 'none';
this.element_legend_childs.hidden = document.createElement('div');
el.appendChild(this.element_legend_childs.hidden);
if(this.element_legend_childs.perfect_scroller !== null) {
Ps.initialize(this.element_legend_childs.perfect_scroller, {
wheelSpeed: 0.2,
wheelPropagation: true,
swipePropagation: true,
minScrollbarLength: null,
maxScrollbarLength: null,
useBothWheelAxes: false,
suppressScrollX: true,
suppressScrollY: false,
scrollXMarginOffset: 0,
scrollYMarginOffset: 0,
theme: 'default'
});
Ps.update(this.element_legend_childs.perfect_scroller);
}
this.legendShowLatestValues();
};
this.hasLegend = function() {
if(typeof this.tmp.___hasLegendCache___ !== 'undefined')
return this.tmp.___hasLegendCache___;
var leg = false;
if(this.library && this.library.legend(this) === 'right-side')
leg = true;
this.tmp.___hasLegendCache___ = leg;
return leg;
};
this.legendWidth = function() {
return (this.hasLegend())?140:0;
};
this.legendHeight = function() {
return $(this.element).height();
};
this.chartWidth = function() {
return $(this.element).width() - this.legendWidth();
};
this.chartHeight = function() {
return $(this.element).height();
};
this.chartPixelsPerPoint = function() {
// force an options provided detail
var px = this.pixels_per_point;
if(this.library && px < this.library.pixels_per_point(this))
px = this.library.pixels_per_point(this);
if(px < NETDATA.options.current.pixels_per_point)
px = NETDATA.options.current.pixels_per_point;
return px;
};
this.needsRecreation = function() {
var ret = (
this.chart_created === true
&& this.library
&& this.library.autoresize() === false
&& this.tm.last_resized < NETDATA.options.last_page_resize
);
if(this.debug === true)
this.log('needsRecreation(): ' + ret.toString() + ', chart_created = ' + this.chart_created.toString());
return ret;
};
this.chartDataUniqueID = function() {
return this.id + ',' + this.library_name + ',' + this.dimensions + ',' + this.chartURLOptions();
};
this.chartURLOptions = function() {
var ret = '';
if(this.override_options !== null)
ret = this.override_options.toString();
else
ret = this.library.options(this);
if(this.append_options !== null)
ret += '|' + this.append_options.toString();
ret += '|jsonwrap';
if(NETDATA.options.current.eliminate_zero_dimensions === true)
ret += '|nonzero';
return ret;
};
this.chartURL = function() {
var after, before, points_multiplier = 1;
if(NETDATA.globalPanAndZoom.isActive()) {
if(this.current.force_before_ms !== null && this.current.force_after_ms !== null) {
this.tm.pan_and_zoom_seq = 0;
before = Math.round(this.current.force_before_ms / 1000);
after = Math.round(this.current.force_after_ms / 1000);
this.view_after = after * 1000;
this.view_before = before * 1000;
if(NETDATA.options.current.pan_and_zoom_data_padding === true) {
this.requested_padding = Math.round((before - after) / 2);
after -= this.requested_padding;
before += this.requested_padding;
this.requested_padding *= 1000;
points_multiplier = 2;
}
this.current.force_before_ms = null;
this.current.force_after_ms = null;
}
else {
this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq;
after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000);
before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000);
this.view_after = after * 1000;
this.view_before = before * 1000;
this.requested_padding = null;
points_multiplier = 1;
}
}
else {
this.tm.pan_and_zoom_seq = 0;
before = this.before;
after = this.after;
this.view_after = after * 1000;
this.view_before = before * 1000;
this.requested_padding = null;
points_multiplier = 1;
}
this.requested_after = after * 1000;
this.requested_before = before * 1000;
var data_points;
if(NETDATA.options.force_data_points !== 0) {
data_points = NETDATA.options.force_data_points;
this.data_points = data_points;
}
else {
this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
data_points = this.data_points * points_multiplier;
}
// build the data URL
this.data_url = this.host + this.chart.data_url;
this.data_url += "&format=" + this.library.format();
this.data_url += "&points=" + (data_points).toString();
this.data_url += "&group=" + this.method;
this.data_url += ">ime=" + this.gtime;
this.data_url += "&options=" + this.chartURLOptions();
if(after)
this.data_url += "&after=" + after.toString();
if(before)
this.data_url += "&before=" + before.toString();
if(this.dimensions)
this.data_url += "&dimensions=" + this.dimensions;
if(NETDATA.options.debug.chart_data_url === true || this.debug === true)
this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + data_points.toString() + ' library: ' + this.library_name);
};
this.redrawChart = function() {
if(this.data !== null)
this.updateChartWithData(this.data);
};
this.updateChartWithData = function(data) {
if(this.debug === true)
this.log('updateChartWithData() called.');
// this may force the chart to be re-created
resizeChart();
this.data = data;
var started = Date.now();
var view_update_every = data.view_update_every * 1000;
if(this.data_update_every !== view_update_every) {
if(this.element_legend_childs.title_time)
this.element_legend_childs.title_time.title = this.legendResolutionTooltip();
}
// if the result is JSON, find the latest update-every
this.data_update_every = view_update_every;
this.data_after = data.after * 1000;
this.data_before = data.before * 1000;
this.netdata_first = data.first_entry * 1000;
this.netdata_last = data.last_entry * 1000;
this.data_points = data.points;
data.state = this;
if(NETDATA.options.current.pan_and_zoom_data_padding === true && this.requested_padding !== null) {
if(this.view_after < this.data_after) {
// console.log('adjusting view_after from ' + this.view_after + ' to ' + this.data_after);
this.view_after = this.data_after;
}
if(this.view_before > this.data_before) {
// console.log('adjusting view_before from ' + this.view_before + ' to ' + this.data_before);
this.view_before = this.data_before;
}
}
else {
this.view_after = this.data_after;
this.view_before = this.data_before;
}
if(this.debug === true) {
this.log('UPDATE No ' + this.updates_counter + ' COMPLETED');
if(this.current.force_after_ms)
this.log('STATUS: forced : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString());
else
this.log('STATUS: forced : unset');
this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString());
this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString());
this.log('STATUS: rendered : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString());
this.log('STATUS: points : ' + (this.data_points).toString());
}
if(this.data_points === 0) {
noDataToShow();
return;
}
if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) {
if(this.debug === true)
this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.');
init('force');
return;
}
// check and update the legend
this.legendUpdateDOM();
if(this.chart_created === true
&& typeof this.library.update === 'function') {
if(this.debug === true)
this.log('updating chart...');
if(callChartLibraryUpdateSafely(data) === false)
return;
}
else {
if(this.debug === true)
this.log('creating chart...');
if(callChartLibraryCreateSafely(data) === false)
return;
}
if(this.isVisible() === true) {
hideMessage();
this.legendShowLatestValues();
}
else {
this.__redraw_on_unhide = true;
if(this.debug === true)
this.log("drawn while not visible")
}
if(this.selected === true)
NETDATA.globalSelectionSync.stop();
// update the performance counters
var now = Date.now();
this.tm.last_updated = now;
// don't update last_autorefreshed if this chart is
// forced to be updated with global PanAndZoom
if(NETDATA.globalPanAndZoom.isActive())
this.tm.last_autorefreshed = 0;
else {
if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes === true && typeof this.force_update_every !== 'number')
this.tm.last_autorefreshed = now - (now % this.data_update_every);
else
this.tm.last_autorefreshed = now;
}
this.refresh_dt_ms = now - started;
NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms;
if(this.refresh_dt_element !== null)
this.refresh_dt_element.innerText = this.refresh_dt_ms.toString();
if(this.foreign_element_before !== null)
this.foreign_element_before.innerText = NETDATA.dateTime.localeDateString(this.view_before) + ' ' + NETDATA.dateTime.localeTimeString(this.view_before);
if(this.foreign_element_after !== null)
this.foreign_element_after.innerText = NETDATA.dateTime.localeDateString(this.view_after) + ' ' + NETDATA.dateTime.localeTimeString(this.view_after);
if(this.foreign_element_duration !== null)
this.foreign_element_duration.innerText = NETDATA.seconds4human(Math.floor((this.view_before - this.view_after) / 1000) + 1);
if(this.foreign_element_update_every !== null)
this.foreign_element_update_every.innerText = NETDATA.seconds4human(Math.floor(this.data_update_every / 1000));
};
this.getSnapshotData = function(key) {
if(this.debug === true)
this.log('updating from snapshot: ' + key);
if(typeof netdataSnapshotData.data[key] === 'undefined') {
this.log('snapshot does not include data for key "' + key + '"');
return null;
}
if(typeof netdataSnapshotData.data[key] !== 'string') {
this.log('snapshot data for key "' + key + '" is not string');
return null;
}
var uncompressed;
try {
uncompressed = netdataSnapshotData.uncompress(netdataSnapshotData.data[key]);
if(uncompressed === null) {
this.log('uncompressed snapshot data for key ' + key + ' is null');
return null;
}
if(typeof uncompressed === 'undefined') {
this.log('uncompressed snapshot data for key ' + key + ' is undefined');
return null;
}
}
catch(e) {
this.log('decompression of snapshot data for key ' + key + ' failed');
console.log(e);
uncompressed = null;
}
if(typeof uncompressed !== 'string') {
this.log('uncompressed snapshot data for key ' + key + ' is not string');
return null;
}
var data;
try {
data = JSON.parse(uncompressed);
}
catch(e) {
this.log('parsing snapshot data for key ' + key + ' failed');
console.log(e);
data = null;
}
return data;
};
this.updateChart = function(callback) {
if (this.debug === true)
this.log('updateChart()');
if (this.fetching_data === true) {
if (this.debug === true)
this.log('updateChart(): I am already updating...');
if (typeof callback === 'function')
return callback(false, 'already running');
return;
}
// due to late initialization of charts and libraries
// we need to check this too
if (this.enabled === false) {
if (this.debug === true)
this.log('updateChart(): I am not enabled');
if (typeof callback === 'function')
return callback(false, 'not enabled');
return;
}
if (canBeRendered() === false) {
if (this.debug === true)
this.log('updateChart(): cannot be rendered');
if (typeof callback === 'function')
return callback(false, 'cannot be rendered');
return;
}
if (that.dom_created !== true) {
if (this.debug === true)
this.log('updateChart(): creating DOM');
createDOM();
}
if (this.chart === null) {
if (this.debug === true)
this.log('updateChart(): getting chart');
return this.getChart(function () {
return that.updateChart(callback);
});
}
if(this.library.initialized === false) {
if(this.library.enabled === true) {
if(this.debug === true)
this.log('updateChart(): initializing chart library');
return this.library.initialize(function () {
return that.updateChart(callback);
});
}
else {
error('chart library "' + this.library_name + '" is not available.');
if(typeof callback === 'function')
return callback(false, 'library not available');
return;
}
}
this.clearSelection();
this.chartURL();
NETDATA.statistics.refreshes_total++;
NETDATA.statistics.refreshes_active++;
if(NETDATA.statistics.refreshes_active > NETDATA.statistics.refreshes_active_max)
NETDATA.statistics.refreshes_active_max = NETDATA.statistics.refreshes_active;
var ok = false;
this.fetching_data = true;
if(netdataSnapshotData !== null) {
var key = this.chartDataUniqueID();
var data = this.getSnapshotData(key);
if (data !== null) {
ok = true;
data = NETDATA.xss.checkData('/api/v1/data', data, this.library.xssRegexIgnore);
this.updateChartWithData(data);
}
else {
ok = false;
error('cannot get data from snapshot for key: "' + key + '"');
that.tm.last_autorefreshed = Date.now();
}
NETDATA.statistics.refreshes_active--;
this.fetching_data = false;
if(typeof callback === 'function')
callback(ok, 'snapshot');
return;
}
if(this.debug === true)
this.log('updating from ' + this.data_url);
this.xhr = $.ajax( {
url: this.data_url,
cache: false,
async: true,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkData('/api/v1/data', data, that.library.xssRegexIgnore);
that.xhr = undefined;
that.retries_on_data_failures = 0;
ok = true;
if(that.debug === true)
that.log('data received. updating chart.');
that.updateChartWithData(data);
})
.fail(function(msg) {
that.xhr = undefined;
if(msg.statusText !== 'abort') {
that.retries_on_data_failures++;
if(that.retries_on_data_failures > NETDATA.options.current.retries_on_data_failures) {
// that.log('failed ' + that.retries_on_data_failures.toString() + ' times - giving up');
that.retries_on_data_failures = 0;
error('data download failed for url: ' + that.data_url);
}
else {
that.tm.last_autorefreshed = Date.now();
// that.log('failed ' + that.retries_on_data_failures.toString() + ' times, but I will retry');
}
}
})
.always(function() {
that.xhr = undefined;
NETDATA.statistics.refreshes_active--;
that.fetching_data = false;
if(typeof callback === 'function')
return callback(ok, 'download');
});
};
var __isVisible = function() {
var ret = true;
if(NETDATA.options.current.update_only_visible !== false) {
// tolerance is the number of pixels a chart can be off-screen
// to consider it as visible and refresh it as if was visible
var tolerance = 0;
that.tm.last_visible_check = Date.now();
var rect = that.element.getBoundingClientRect();
var screenTop = window.scrollY;
var screenBottom = screenTop + window.innerHeight;
var chartTop = rect.top + screenTop;
var chartBottom = chartTop + rect.height;
ret = !(rect.width === 0 || rect.height === 0 || chartBottom + tolerance < screenTop || chartTop - tolerance > screenBottom);
}
if(that.debug === true)
that.log('__isVisible(): ' + ret);
return ret;
};
this.isVisible = function(nocache) {
// this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll);
// caching - we do not evaluate the charts visibility
// if the page has not been scrolled since the last check
if((typeof nocache !== 'undefined' && nocache === true)
|| typeof this.tmp.___isVisible___ === 'undefined'
|| this.tm.last_visible_check <= NETDATA.options.last_page_scroll) {
this.tmp.___isVisible___ = __isVisible();
if (this.tmp.___isVisible___ === true) this.unhideChart();
else this.hideChart();
}
if(this.debug === true)
this.log('isVisible(' + nocache + '): ' + this.tmp.___isVisible___);
return this.tmp.___isVisible___;
};
this.isAutoRefreshable = function() {
return (this.current.autorefresh);
};
this.canBeAutoRefreshed = function() {
if(this.enabled === false) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> not enabled');
return false;
}
if(this.running === true) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> already running');
return false;
}
if(this.library === null || this.library.enabled === false) {
error('charting library "' + this.library_name + '" is not available');
if(this.debug === true)
this.log('canBeAutoRefreshed() -> chart library ' + this.library_name + ' is not available');
return false;
}
if(this.isVisible() === false) {
if(NETDATA.options.debug.visibility === true || this.debug === true)
this.log('canBeAutoRefreshed() -> not visible');
return false;
}
var now = Date.now();
if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> timed force update - allowing this update');
this.current.force_update_at = 0;
return true;
}
if(this.isAutoRefreshable() === false) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> not auto-refreshable');
return false;
}
// allow the first update, even if the page is not visible
if(NETDATA.options.page_is_visible === false && this.updates_counter && this.updates_since_last_unhide) {
if(NETDATA.options.debug.focus === true || this.debug === true)
this.log('canBeAutoRefreshed() -> not the first update, and page does not have focus');
return false;
}
if(this.needsRecreation() === true) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> needs re-creation.');
return true;
}
if(NETDATA.options.auto_refresher_stop_until >= now) {
if(this.debug === true)
this.log('canBeAutoRefreshed() -> stopped until is in future.');
return false;
}
// options valid only for autoRefresh()
if(NETDATA.globalPanAndZoom.isActive()) {
if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) {
if(this.debug === true)
this.log('canBeAutoRefreshed(): global panning: I need an update.');
return true;
}
else {
if(this.debug === true)
this.log('canBeAutoRefreshed(): global panning: I am already up to date.');
return false;
}
}
if(this.selected === true) {
if(this.debug === true)
this.log('canBeAutoRefreshed(): I have a selection in place.');
return false;
}
if(this.paused === true) {
if(this.debug === true)
this.log('canBeAutoRefreshed(): I am paused.');
return false;
}
var data_update_every = this.data_update_every;
if(typeof this.force_update_every === 'number')
data_update_every = this.force_update_every;
if(now - this.tm.last_autorefreshed >= data_update_every) {
if(this.debug === true)
this.log('canBeAutoRefreshed(): It is time to update me. Now: ' + now.toString() + ', last_autorefreshed: ' + this.tm.last_autorefreshed + ', data_update_every: ' + data_update_every + ', delta: ' + (now - this.tm.last_autorefreshed).toString());
return true;
}
return false;
};
this.autoRefresh = function(callback) {
var state = that;
if(state.canBeAutoRefreshed() === true && state.running === false) {
state.running = true;
state.updateChart(function() {
state.running = false;
if(typeof callback === 'function')
return callback();
});
}
else {
if(typeof callback === 'function')
return callback();
}
};
this.__defaultsFromDownloadedChart = function(chart) {
this.chart = chart;
this.chart_url = chart.url;
this.data_update_every = chart.update_every * 1000;
this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint());
this.tm.last_info_downloaded = Date.now();
if(this.title === null)
this.title = chart.title;
if(this.units === null) {
this.units = chart.units;
this.units_current = this.units;
}
};
// fetch the chart description from the netdata server
this.getChart = function(callback) {
this.chart = NETDATA.chartRegistry.get(this.host, this.id);
if(this.chart) {
this.__defaultsFromDownloadedChart(this.chart);
if(typeof callback === 'function')
return callback();
}
else if(netdataSnapshotData !== null) {
// console.log(this);
// console.log(NETDATA.chartRegistry);
NETDATA.error(404, 'host: ' + this.host + ', chart: ' + this.id);
error('chart not found in snapshot');
if(typeof callback === 'function')
return callback();
}
else {
this.chart_url = "/api/v1/chart?chart=" + this.id;
if(this.debug === true)
this.log('downloading ' + this.chart_url);
$.ajax( {
url: this.host + this.chart_url,
cache: false,
async: true,
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(chart) {
chart = NETDATA.xss.checkOptional('/api/v1/chart', chart);
chart.url = that.chart_url;
that.__defaultsFromDownloadedChart(chart);
NETDATA.chartRegistry.add(that.host, that.id, chart);
})
.fail(function() {
NETDATA.error(404, that.chart_url);
error('chart not found on url "' + that.chart_url + '"');
})
.always(function() {
if(typeof callback === 'function')
return callback();
});
}
};
// ============================================================================================================
// INITIALIZATION
initDOM();
init('fast');
};
NETDATA.resetAllCharts = function(state) {
// first clear the global selection sync
// to make sure no chart is in selected state
NETDATA.globalSelectionSync.stop();
// there are 2 possibilities here
// a. state is the global Pan and Zoom master
// b. state is not the global Pan and Zoom master
var master = true;
if(NETDATA.globalPanAndZoom.isMaster(state) === false)
master = false;
// clear the global Pan and Zoom
// this will also refresh the master
// and unblock any charts currently mirroring the master
NETDATA.globalPanAndZoom.clearMaster();
// if we were not the master, reset our status too
// this is required because most probably the mouse
// is over this chart, blocking it from auto-refreshing
if(master === false && (state.paused === true || state.selected === true))
state.resetChart();
};
// get or create a chart state, given a DOM element
NETDATA.chartState = function(element) {
var self = $(element);
var state = self.data('netdata-state-object') || null;
if(state === null) {
state = new chartState(element);
self.data('netdata-state-object', state);
}
return state;
};
// ----------------------------------------------------------------------------------------------------------------
// Library functions
// Load a script without jquery
// This is used to load jquery - after it is loaded, we use jquery
NETDATA._loadjQuery = function(callback) {
if(typeof jQuery === 'undefined') {
if(NETDATA.options.debug.main_loop === true)
console.log('loading ' + NETDATA.jQuery);
var script = document.createElement('script');
script.type = 'text/javascript';
script.async = true;
script.src = NETDATA.jQuery;
// script.onabort = onError;
script.onerror = function() { NETDATA.error(101, NETDATA.jQuery); };
if(typeof callback === "function") {
script.onload = function () {
$ = jQuery;
return callback();
};
}
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(script, s);
}
else if(typeof callback === "function") {
$ = jQuery;
return callback();
}
};
NETDATA._loadCSS = function(filename) {
// don't use jQuery here
// styles are loaded before jQuery
// to eliminate showing an unstyled page to the user
var fileref = document.createElement("link");
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", filename);
if (typeof fileref !== 'undefined')
document.getElementsByTagName("head")[0].appendChild(fileref);
};
NETDATA.colorHex2Rgb = function(hex) {
// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, function(m, r, g, b) {
return r + r + g + g + b + b;
});
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
};
NETDATA.colorLuminance = function(hex, lum) {
// validate hex string
hex = String(hex).replace(/[^0-9a-f]/gi, '');
if (hex.length < 6)
hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
lum = lum || 0;
// convert to decimal and change luminosity
var rgb = "#", c, i;
for (i = 0; i < 3; i++) {
c = parseInt(hex.substr(i*2,2), 16);
c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
rgb += ("00"+c).substr(c.length);
}
return rgb;
};
NETDATA.guid = function() {
function s4() {
return Math.floor((1 + Math.random()) * 0x10000)
.toString(16)
.substring(1);
}
return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4();
};
NETDATA.zeropad = function(x) {
if(x > -10 && x < 10) return '0' + x.toString();
else return x.toString();
};
// user function to signal us the DOM has been
// updated.
NETDATA.updatedDom = function() {
NETDATA.options.updated_dom = true;
};
NETDATA.ready = function(callback) {
NETDATA.options.pauseCallback = callback;
};
NETDATA.pause = function(callback) {
if(typeof callback === 'function') {
if (NETDATA.options.pause === true)
return callback();
else
NETDATA.options.pauseCallback = callback;
}
};
NETDATA.unpause = function() {
NETDATA.options.pauseCallback = null;
NETDATA.options.updated_dom = true;
NETDATA.options.pause = false;
};
NETDATA.seconds4human = function (seconds, options) {
var default_options = {
now: 'now',
space: ' ',
negative_suffix: 'ago',
day: 'day',
days: 'days',
hour: 'hour',
hours: 'hours',
minute: 'min',
minutes: 'mins',
second: 'sec',
seconds: 'secs',
and: 'and'
};
if(typeof options !== 'object')
options = default_options;
else {
var x;
for(x in default_options) {
if(typeof options[x] !== 'string')
options[x] = default_options[x];
}
}
if(typeof seconds === 'string')
seconds = parseInt(seconds, 10);
if(seconds === 0)
return options.now;
var suffix = '';
if(seconds < 0) {
seconds = -seconds;
if(options.negative_suffix !== '') suffix = options.space + options.negative_suffix;
}
var days = Math.floor(seconds / 86400);
seconds -= (days * 86400);
var hours = Math.floor(seconds / 3600);
seconds -= (hours * 3600);
var minutes = Math.floor(seconds / 60);
seconds -= (minutes * 60);
var strings = [];
if(days > 1) strings.push(days.toString() + options.space + options.days);
else if(days === 1) strings.push(days.toString() + options.space + options.day);
if(hours > 1) strings.push(hours.toString() + options.space + options.hours);
else if(hours === 1) strings.push(hours.toString() + options.space + options.hour);
if(minutes > 1) strings.push(minutes.toString() + options.space + options.minutes);
else if(minutes === 1) strings.push(minutes.toString() + options.space + options.minute);
if(seconds > 1) strings.push(Math.floor(seconds).toString() + options.space + options.seconds);
else if(seconds === 1) strings.push(Math.floor(seconds).toString() + options.space + options.second);
if(strings.length === 1)
return strings.pop() + suffix;
var last = strings.pop();
return strings.join(", ") + " " + options.and + " " + last + suffix;
};
// ----------------------------------------------------------------------------------------------------------------
// this is purely sequential charts refresher
// it is meant to be autonomous
NETDATA.chartRefresherNoParallel = function(index, callback) {
var targets = NETDATA.intersectionObserver.targets();
if(NETDATA.options.debug.main_loop === true)
console.log('NETDATA.chartRefresherNoParallel(' + index + ')');
if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
NETDATA.parseDom(callback);
return;
}
if(index >= targets.length) {
if(NETDATA.options.debug.main_loop === true)
console.log('waiting to restart main loop...');
NETDATA.options.auto_refresher_fast_weight = 0;
callback();
}
else {
var state = targets[index];
if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) {
if(NETDATA.options.debug.main_loop === true)
console.log('fast rendering...');
if(state.isVisible() === true)
NETDATA.timeout.set(function() {
state.autoRefresh(function () {
NETDATA.chartRefresherNoParallel(++index, callback);
});
}, 0);
else
NETDATA.chartRefresherNoParallel(++index, callback);
}
else {
if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
NETDATA.options.auto_refresher_fast_weight = 0;
NETDATA.timeout.set(function() {
state.autoRefresh(function() {
NETDATA.chartRefresherNoParallel(++index, callback);
});
}, NETDATA.options.current.idle_between_charts);
}
}
};
NETDATA.chartRefresherWaitTime = function() {
return NETDATA.options.current.idle_parallel_loops;
};
// the default refresher
NETDATA.chartRefresherLastRun = 0;
NETDATA.chartRefresherRunsAfterParseDom = 0;
NETDATA.chartRefresherTimeoutId = undefined;
NETDATA.chartRefresherReschedule = function() {
if(NETDATA.options.current.async_on_scroll === true) {
if(NETDATA.chartRefresherTimeoutId)
NETDATA.timeout.clear(NETDATA.chartRefresherTimeoutId);
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(NETDATA.chartRefresher, NETDATA.options.current.onscroll_worker_duration_threshold);
//console.log('chartRefresherReschedule()');
}
};
NETDATA.chartRefresher = function() {
// console.log('chartRefresher() begin ' + (Date.now() - NETDATA.chartRefresherLastRun).toString() + ' ms since last run');
if(NETDATA.options.page_is_visible === false
&& NETDATA.options.current.stop_updates_when_focus_is_lost === true
&& NETDATA.chartRefresherLastRun > NETDATA.options.last_page_resize
&& NETDATA.chartRefresherLastRun > NETDATA.options.last_page_scroll
&& NETDATA.chartRefresherRunsAfterParseDom > 10
) {
setTimeout(
NETDATA.chartRefresher,
NETDATA.options.current.idle_lost_focus
);
// console.log('chartRefresher() page without focus, will run in ' + NETDATA.options.current.idle_lost_focus.toString() + ' ms, ' + NETDATA.chartRefresherRunsAfterParseDom.toString());
return;
}
NETDATA.chartRefresherRunsAfterParseDom++;
var now = Date.now();
NETDATA.chartRefresherLastRun = now;
if( now < NETDATA.options.on_scroll_refresher_stop_until ) {
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime()
);
// console.log('chartRefresher() end1 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
return;
}
if( now < NETDATA.options.auto_refresher_stop_until ) {
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime()
);
// console.log('chartRefresher() end2 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
return;
}
if(NETDATA.options.pause === true) {
// console.log('auto-refresher is paused');
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime()
);
// console.log('chartRefresher() end3 will run in ' + NETDATA.chartRefresherWaitTime().toString() + ' ms');
return;
}
if(typeof NETDATA.options.pauseCallback === 'function') {
// console.log('auto-refresher is calling pauseCallback');
NETDATA.options.pause = true;
NETDATA.options.pauseCallback();
NETDATA.chartRefresher();
// console.log('chartRefresher() end4 (nested)');
return;
}
if(NETDATA.options.current.parallel_refresher === false) {
// console.log('auto-refresher is calling chartRefresherNoParallel(0)');
NETDATA.chartRefresherNoParallel(0, function() {
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
NETDATA.chartRefresher,
NETDATA.options.current.idle_between_loops
);
});
// console.log('chartRefresher() end5 (no parallel, nested)');
return;
}
if(NETDATA.options.updated_dom === true) {
// the dom has been updated
// get the dom parts again
// console.log('auto-refresher is calling parseDom()');
NETDATA.parseDom(NETDATA.chartRefresher);
// console.log('chartRefresher() end6 (parseDom)');
return;
}
if(NETDATA.globalSelectionSync.active() === false) {
var parallel = [];
var targets = NETDATA.intersectionObserver.targets();
var len = targets.length;
var state;
while(len--) {
state = targets[len];
if(state.running === true || state.isVisible() === false)
continue;
if(state.library.initialized === false) {
if(state.library.enabled === true) {
state.library.initialize(NETDATA.chartRefresher);
//console.log('chartRefresher() end6 (library init)');
return;
}
else {
state.error('chart library "' + state.library_name + '" is not enabled.');
}
}
if(NETDATA.scrollUp === true)
parallel.unshift(state);
else
parallel.push(state);
}
len = parallel.length;
while (len--) {
state = parallel[len];
// console.log('auto-refresher executing in parallel for ' + parallel.length.toString() + ' charts');
// this will execute the jobs in parallel
if (state.running === false)
NETDATA.timeout.set(state.autoRefresh, 0);
}
//else {
// console.log('auto-refresher nothing to do');
//}
}
// run the next refresh iteration
NETDATA.chartRefresherTimeoutId = NETDATA.timeout.set(
NETDATA.chartRefresher,
NETDATA.chartRefresherWaitTime()
);
//console.log('chartRefresher() completed in ' + (Date.now() - now).toString() + ' ms');
};
NETDATA.parseDom = function(callback) {
//console.log('parseDom()');
NETDATA.options.last_page_scroll = Date.now();
NETDATA.options.updated_dom = false;
NETDATA.chartRefresherRunsAfterParseDom = 0;
var targets = $('div[data-netdata]'); //.filter(':visible');
if(NETDATA.options.debug.main_loop === true)
console.log('DOM updated - there are ' + targets.length + ' charts on page.');
NETDATA.intersectionObserver.globalReset();
NETDATA.options.targets = [];
var len = targets.length;
while(len--) {
// the initialization will take care of sizing
// and the "loading..." message
var state = NETDATA.chartState(targets[len]);
NETDATA.options.targets.push(state);
NETDATA.intersectionObserver.observe(state);
}
if(NETDATA.globalChartUnderlay.isActive() === true)
NETDATA.globalChartUnderlay.setup();
else
NETDATA.globalChartUnderlay.clear();
if(typeof callback === 'function')
return callback();
};
// this is the main function - where everything starts
NETDATA.started = false;
NETDATA.start = function() {
// this should be called only once
if(NETDATA.started === true) {
console.log('netdata is already started');
return;
}
NETDATA.started = true;
NETDATA.options.page_is_visible = true;
$(window).blur(function() {
if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
NETDATA.options.page_is_visible = false;
if(NETDATA.options.debug.focus === true)
console.log('Lost Focus!');
}
});
$(window).focus(function() {
if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
NETDATA.options.page_is_visible = true;
if(NETDATA.options.debug.focus === true)
console.log('Focus restored!');
}
});
if(typeof document.hasFocus === 'function' && !document.hasFocus()) {
if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) {
NETDATA.options.page_is_visible = false;
if(NETDATA.options.debug.focus === true)
console.log('Document has no focus!');
}
}
// bootstrap tab switching
$('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll);
// bootstrap modal switching
var $modal = $('.modal');
$modal.on('hidden.bs.modal', NETDATA.onscroll);
$modal.on('shown.bs.modal', NETDATA.onscroll);
// bootstrap collapse switching
var $collapse = $('.collapse');
$collapse.on('hidden.bs.collapse', NETDATA.onscroll);
$collapse.on('shown.bs.collapse', NETDATA.onscroll);
NETDATA.parseDom(NETDATA.chartRefresher);
// Alarms initialization
setTimeout(NETDATA.alarms.init, 1000);
// Registry initialization
setTimeout(NETDATA.registry.init, netdataRegistryAfterMs);
if(typeof netdataCallback === 'function')
netdataCallback();
};
NETDATA.globalReset = function() {
NETDATA.intersectionObserver.globalReset();
NETDATA.globalSelectionSync.globalReset();
NETDATA.globalPanAndZoom.globalReset();
NETDATA.chartRegistry.globalReset();
NETDATA.commonMin.globalReset();
NETDATA.commonMax.globalReset();
NETDATA.commonColors.globalReset();
NETDATA.unitsConversion.globalReset();
NETDATA.options.targets = [];
NETDATA.parseDom();
NETDATA.unpause();
};
// ----------------------------------------------------------------------------------------------------------------
// peity
NETDATA.peityInitialize = function(callback) {
if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) {
$.ajax({
url: NETDATA.peity_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('peity', NETDATA.peity_js);
})
.fail(function() {
NETDATA.chartLibraries.peity.enabled = false;
NETDATA.error(100, NETDATA.peity_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.peity.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.peityChartUpdate = function(state, data) {
state.peity_instance.innerHTML = data.result;
if(state.peity_options.stroke !== state.chartCustomColors()[0]) {
state.peity_options.stroke = state.chartCustomColors()[0];
if(state.chart.chart_type === 'line')
state.peity_options.fill = NETDATA.themes.current.background;
else
state.peity_options.fill = NETDATA.colorLuminance(state.chartCustomColors()[0], NETDATA.chartDefaults.fill_luminance);
}
$(state.peity_instance).peity('line', state.peity_options);
return true;
};
NETDATA.peityChartCreate = function(state, data) {
state.peity_instance = document.createElement('div');
state.element_chart.appendChild(state.peity_instance);
state.peity_options = {
stroke: NETDATA.themes.current.foreground,
strokeWidth: NETDATA.dataAttribute(state.element, 'peity-strokewidth', 1),
width: state.chartWidth(),
height: state.chartHeight(),
fill: NETDATA.themes.current.foreground
};
NETDATA.peityChartUpdate(state, data);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// sparkline
NETDATA.sparklineInitialize = function(callback) {
if(typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) {
$.ajax({
url: NETDATA.sparkline_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js);
})
.fail(function() {
NETDATA.chartLibraries.sparkline.enabled = false;
NETDATA.error(100, NETDATA.sparkline_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.sparkline.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.sparklineChartUpdate = function(state, data) {
state.sparkline_options.width = state.chartWidth();
state.sparkline_options.height = state.chartHeight();
$(state.element_chart).sparkline(data.result, state.sparkline_options);
return true;
};
NETDATA.sparklineChartCreate = function(state, data) {
var type = NETDATA.dataAttribute(state.element, 'sparkline-type', 'line');
var lineColor = NETDATA.dataAttribute(state.element, 'sparkline-linecolor', state.chartCustomColors()[0]);
var fillColor = NETDATA.dataAttribute(state.element, 'sparkline-fillcolor', ((state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance)));
var chartRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemin', undefined);
var chartRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemax', undefined);
var composite = NETDATA.dataAttribute(state.element, 'sparkline-composite', undefined);
var enableTagOptions = NETDATA.dataAttribute(state.element, 'sparkline-enabletagoptions', undefined);
var tagOptionPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tagoptionprefix', undefined);
var tagValuesAttribute = NETDATA.dataAttribute(state.element, 'sparkline-tagvaluesattribute', undefined);
var disableHiddenCheck = NETDATA.dataAttribute(state.element, 'sparkline-disablehiddencheck', undefined);
var defaultPixelsPerValue = NETDATA.dataAttribute(state.element, 'sparkline-defaultpixelspervalue', undefined);
var spotColor = NETDATA.dataAttribute(state.element, 'sparkline-spotcolor', undefined);
var minSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-minspotcolor', undefined);
var maxSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-maxspotcolor', undefined);
var spotRadius = NETDATA.dataAttribute(state.element, 'sparkline-spotradius', undefined);
var valueSpots = NETDATA.dataAttribute(state.element, 'sparkline-valuespots', undefined);
var highlightSpotColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightspotcolor', undefined);
var highlightLineColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightlinecolor', undefined);
var lineWidth = NETDATA.dataAttribute(state.element, 'sparkline-linewidth', undefined);
var normalRangeMin = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemin', undefined);
var normalRangeMax = NETDATA.dataAttribute(state.element, 'sparkline-normalrangemax', undefined);
var drawNormalOnTop = NETDATA.dataAttribute(state.element, 'sparkline-drawnormalontop', undefined);
var xvalues = NETDATA.dataAttribute(state.element, 'sparkline-xvalues', undefined);
var chartRangeClip = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeclip', undefined);
var chartRangeMinX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangeminx', undefined);
var chartRangeMaxX = NETDATA.dataAttribute(state.element, 'sparkline-chartrangemaxx', undefined);
var disableInteraction = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disableinteraction', false);
var disableTooltips = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disabletooltips', false);
var disableHighlight = NETDATA.dataAttributeBoolean(state.element, 'sparkline-disablehighlight', false);
var highlightLighten = NETDATA.dataAttribute(state.element, 'sparkline-highlightlighten', 1.4);
var highlightColor = NETDATA.dataAttribute(state.element, 'sparkline-highlightcolor', undefined);
var tooltipContainer = NETDATA.dataAttribute(state.element, 'sparkline-tooltipcontainer', undefined);
var tooltipClassname = NETDATA.dataAttribute(state.element, 'sparkline-tooltipclassname', undefined);
var tooltipFormat = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformat', undefined);
var tooltipPrefix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipprefix', undefined);
var tooltipSuffix = NETDATA.dataAttribute(state.element, 'sparkline-tooltipsuffix', ' ' + state.units_current);
var tooltipSkipNull = NETDATA.dataAttributeBoolean(state.element, 'sparkline-tooltipskipnull', true);
var tooltipValueLookups = NETDATA.dataAttribute(state.element, 'sparkline-tooltipvaluelookups', undefined);
var tooltipFormatFieldlist = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlist', undefined);
var tooltipFormatFieldlistKey = NETDATA.dataAttribute(state.element, 'sparkline-tooltipformatfieldlistkey', undefined);
var numberFormatter = NETDATA.dataAttribute(state.element, 'sparkline-numberformatter', function(n){ return n.toFixed(2); });
var numberDigitGroupSep = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupsep', undefined);
var numberDecimalMark = NETDATA.dataAttribute(state.element, 'sparkline-numberdecimalmark', undefined);
var numberDigitGroupCount = NETDATA.dataAttribute(state.element, 'sparkline-numberdigitgroupcount', undefined);
var animatedZooms = NETDATA.dataAttributeBoolean(state.element, 'sparkline-animatedzooms', false);
if(spotColor === 'disable') spotColor='';
if(minSpotColor === 'disable') minSpotColor='';
if(maxSpotColor === 'disable') maxSpotColor='';
// state.log('sparkline type ' + type + ', lineColor: ' + lineColor + ', fillColor: ' + fillColor);
state.sparkline_options = {
type: type,
lineColor: lineColor,
fillColor: fillColor,
chartRangeMin: chartRangeMin,
chartRangeMax: chartRangeMax,
composite: composite,
enableTagOptions: enableTagOptions,
tagOptionPrefix: tagOptionPrefix,
tagValuesAttribute: tagValuesAttribute,
disableHiddenCheck: disableHiddenCheck,
defaultPixelsPerValue: defaultPixelsPerValue,
spotColor: spotColor,
minSpotColor: minSpotColor,
maxSpotColor: maxSpotColor,
spotRadius: spotRadius,
valueSpots: valueSpots,
highlightSpotColor: highlightSpotColor,
highlightLineColor: highlightLineColor,
lineWidth: lineWidth,
normalRangeMin: normalRangeMin,
normalRangeMax: normalRangeMax,
drawNormalOnTop: drawNormalOnTop,
xvalues: xvalues,
chartRangeClip: chartRangeClip,
chartRangeMinX: chartRangeMinX,
chartRangeMaxX: chartRangeMaxX,
disableInteraction: disableInteraction,
disableTooltips: disableTooltips,
disableHighlight: disableHighlight,
highlightLighten: highlightLighten,
highlightColor: highlightColor,
tooltipContainer: tooltipContainer,
tooltipClassname: tooltipClassname,
tooltipChartTitle: state.title,
tooltipFormat: tooltipFormat,
tooltipPrefix: tooltipPrefix,
tooltipSuffix: tooltipSuffix,
tooltipSkipNull: tooltipSkipNull,
tooltipValueLookups: tooltipValueLookups,
tooltipFormatFieldlist: tooltipFormatFieldlist,
tooltipFormatFieldlistKey: tooltipFormatFieldlistKey,
numberFormatter: numberFormatter,
numberDigitGroupSep: numberDigitGroupSep,
numberDecimalMark: numberDecimalMark,
numberDigitGroupCount: numberDigitGroupCount,
animatedZooms: animatedZooms,
width: state.chartWidth(),
height: state.chartHeight()
};
$(state.element_chart).sparkline(data.result, state.sparkline_options);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// dygraph
NETDATA.dygraph = {
smooth: false
};
NETDATA.dygraphToolboxPanAndZoom = function(state, after, before) {
if(after < state.netdata_first)
after = state.netdata_first;
if(before > state.netdata_last)
before = state.netdata_last;
state.setMode('zoom');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
state.tmp.dygraph_force_zoom = true;
// state.log('toolboxPanAndZoom');
state.updateChartPanOrZoom(after, before);
NETDATA.globalPanAndZoom.setMaster(state, after, before);
};
NETDATA.dygraphSetSelection = function(state, t) {
if(typeof state.tmp.dygraph_instance !== 'undefined') {
var r = state.calculateRowForTime(t);
if(r !== -1) {
state.tmp.dygraph_instance.setSelection(r);
return true;
}
else {
state.tmp.dygraph_instance.clearSelection();
state.legendShowUndefined();
}
}
return false;
};
NETDATA.dygraphClearSelection = function(state) {
if(typeof state.tmp.dygraph_instance !== 'undefined') {
state.tmp.dygraph_instance.clearSelection();
}
return true;
};
NETDATA.dygraphSmoothInitialize = function(callback) {
$.ajax({
url: NETDATA.dygraph_smooth_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.dygraph.smooth = true;
smoothPlotter.smoothing = 0.3;
})
.fail(function() {
NETDATA.dygraph.smooth = false;
})
.always(function() {
if(typeof callback === "function")
return callback();
});
};
NETDATA.dygraphInitialize = function(callback) {
if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
$.ajax({
url: NETDATA.dygraph_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js);
})
.fail(function() {
NETDATA.chartLibraries.dygraph.enabled = false;
NETDATA.error(100, NETDATA.dygraph_js);
})
.always(function() {
if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true)
NETDATA.dygraphSmoothInitialize(callback);
else if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.dygraph.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.dygraphChartUpdate = function(state, data) {
var dygraph = state.tmp.dygraph_instance;
if(typeof dygraph === 'undefined')
return NETDATA.dygraphChartCreate(state, data);
// when the chart is not visible, and hidden
// if there is a window resize, dygraph detects
// its element size as 0x0.
// this will make it re-appear properly
if(state.tm.last_unhidden > state.tmp.dygraph_last_rendered)
dygraph.resize();
var options = {
file: data.result.data,
colors: state.chartColors(),
labels: data.result.labels,
//labelsDivWidth: state.chartWidth() - 70,
includeZero: state.tmp.dygraph_include_zero,
visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
};
if(state.tmp.dygraph_chart_type === 'stacked') {
if(options.includeZero === true && state.dimensions_visibility.countSelected() < options.visibility.length)
options.includeZero = 0;
}
if(!NETDATA.chartLibraries.dygraph.isSparkline(state)) {
options.ylabel = state.units_current; // (state.units_desired === 'auto')?"":state.units_current;
}
if(state.tmp.dygraph_force_zoom === true) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('dygraphChartUpdate() forced zoom update');
options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
//options.isZoomedIgnoreProgrammaticZoom = true;
state.tmp.dygraph_force_zoom = false;
}
else if(state.current.name !== 'auto') {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('dygraphChartUpdate() loose update');
}
else {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('dygraphChartUpdate() strict update');
options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null;
//options.isZoomedIgnoreProgrammaticZoom = true;
}
options.valueRange = state.tmp.dygraph_options.valueRange;
var oldMax = null, oldMin = null;
if (state.tmp.__commonMin !== null) {
state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
oldMin = options.valueRange[0] = NETDATA.commonMin.get(state);
}
if (state.tmp.__commonMax !== null) {
state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
oldMax = options.valueRange[1] = NETDATA.commonMax.get(state);
}
if(state.tmp.dygraph_smooth_eligible === true) {
if((NETDATA.options.current.smooth_plot === true && state.tmp.dygraph_options.plotter !== smoothPlotter)
|| (NETDATA.options.current.smooth_plot === false && state.tmp.dygraph_options.plotter === smoothPlotter)) {
NETDATA.dygraphChartCreate(state, data);
return;
}
}
if(netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() === true && NETDATA.globalPanAndZoom.isMaster(state) === false) {
// pan and zoom on snapshots
options.dateWindow = [ NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms ];
//options.isZoomedIgnoreProgrammaticZoom = true;
}
if(NETDATA.chartLibraries.dygraph.isLogScale(state) === true) {
if(Array.isArray(options.valueRange) && options.valueRange[0] <= 0)
options.valueRange[0] = null;
}
dygraph.updateOptions(options);
var redraw = false;
if(oldMin !== null && oldMin > state.tmp.dygraph_instance.axes_[0].extremeRange[0]) {
state.data.min = state.tmp.dygraph_instance.axes_[0].extremeRange[0];
options.valueRange[0] = NETDATA.commonMin.get(state);
redraw = true;
}
if(oldMax !== null && oldMax < state.tmp.dygraph_instance.axes_[0].extremeRange[1]) {
state.data.max = state.tmp.dygraph_instance.axes_[0].extremeRange[1];
options.valueRange[1] = NETDATA.commonMax.get(state);
redraw = true;
}
if(redraw === true) {
// state.log('forcing redraw to adapt to common- min/max');
dygraph.updateOptions(options);
}
state.tmp.dygraph_last_rendered = Date.now();
return true;
};
NETDATA.dygraphChartCreate = function(state, data) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('dygraphChartCreate()');
state.tmp.dygraph_chart_type = NETDATA.dataAttribute(state.element, 'dygraph-type', state.chart.chart_type);
if(state.tmp.dygraph_chart_type === 'stacked' && data.dimensions === 1) state.tmp.dygraph_chart_type = 'area';
if(state.tmp.dygraph_chart_type === 'stacked' && NETDATA.chartLibraries.dygraph.isLogScale(state) === true) state.tmp.dygraph_chart_type = 'area';
var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state) === true)?3:4;
var smooth = (NETDATA.dygraph.smooth === true)
?(NETDATA.dataAttributeBoolean(state.element, 'dygraph-smooth', (state.tmp.dygraph_chart_type === 'line' && NETDATA.chartLibraries.dygraph.isSparkline(state) === false)))
:false;
state.tmp.dygraph_include_zero = NETDATA.dataAttribute(state.element, 'dygraph-includezero', (state.tmp.dygraph_chart_type === 'stacked'));
state.tmp.dygraph_options = {
colors: NETDATA.dataAttribute(state.element, 'dygraph-colors', state.chartColors()),
// leave a few pixels empty on the right of the chart
rightGap: NETDATA.dataAttribute(state.element, 'dygraph-rightgap', 5),
showRangeSelector: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showrangeselector', false),
showRoller: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showroller', false),
title: NETDATA.dataAttribute(state.element, 'dygraph-title', state.title),
titleHeight: NETDATA.dataAttribute(state.element, 'dygraph-titleheight', 19),
legend: NETDATA.dataAttribute(state.element, 'dygraph-legend', 'always'), // we need this to get selection events
labels: data.result.labels,
labelsDiv: NETDATA.dataAttribute(state.element, 'dygraph-labelsdiv', state.element_legend_childs.hidden),
//labelsDivStyles: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivstyles', { 'fontSize':'1px' }),
//labelsDivWidth: NETDATA.dataAttribute(state.element, 'dygraph-labelsdivwidth', state.chartWidth() - 70),
labelsSeparateLines: NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsseparatelines', true),
labelsShowZeroValues: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?false:NETDATA.dataAttributeBoolean(state.element, 'dygraph-labelsshowzerovalues', true),
labelsKMB: false,
labelsKMG2: false,
showLabelsOnHighlight: NETDATA.dataAttributeBoolean(state.element, 'dygraph-showlabelsonhighlight', true),
hideOverlayOnMouseOut: NETDATA.dataAttributeBoolean(state.element, 'dygraph-hideoverlayonmouseout', true),
includeZero: state.tmp.dygraph_include_zero,
xRangePad: NETDATA.dataAttribute(state.element, 'dygraph-xrangepad', 0),
yRangePad: NETDATA.dataAttribute(state.element, 'dygraph-yrangepad', 1),
valueRange: NETDATA.dataAttribute(state.element, 'dygraph-valuerange', [ null, null ]),
ylabel: state.units_current, // (state.units_desired === 'auto')?"":state.units_current,
yLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-ylabelwidth', 12),
// the function to plot the chart
plotter: null,
// The width of the lines connecting data points.
// This can be used to increase the contrast or some graphs.
strokeWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokewidth', ((state.tmp.dygraph_chart_type === 'stacked')?0.1:((smooth === true)?1.5:0.7))),
strokePattern: NETDATA.dataAttribute(state.element, 'dygraph-strokepattern', undefined),
// The size of the dot to draw on each point in pixels (see drawPoints).
// A dot is always drawn when a point is "isolated",
// i.e. there is a missing point on either side of it.
// This also controls the size of those dots.
drawPoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawpoints', false),
// Draw points at the edges of gaps in the data.
// This improves visibility of small data segments or other data irregularities.
drawGapEdgePoints: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgapedgepoints', true),
connectSeparatedPoints: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?false:NETDATA.dataAttributeBoolean(state.element, 'dygraph-connectseparatedpoints', false),
pointSize: NETDATA.dataAttribute(state.element, 'dygraph-pointsize', 1),
// enabling this makes the chart with little square lines
stepPlot: NETDATA.dataAttributeBoolean(state.element, 'dygraph-stepplot', false),
// Draw a border around graph lines to make crossing lines more easily
// distinguishable. Useful for graphs with many lines.
strokeBorderColor: NETDATA.dataAttribute(state.element, 'dygraph-strokebordercolor', NETDATA.themes.current.background),
strokeBorderWidth: NETDATA.dataAttribute(state.element, 'dygraph-strokeborderwidth', (state.tmp.dygraph_chart_type === 'stacked')?0.0:0.0),
fillGraph: NETDATA.dataAttribute(state.element, 'dygraph-fillgraph', (state.tmp.dygraph_chart_type === 'area' || state.tmp.dygraph_chart_type === 'stacked')),
fillAlpha: NETDATA.dataAttribute(state.element, 'dygraph-fillalpha',
((state.tmp.dygraph_chart_type === 'stacked')
?NETDATA.options.current.color_fill_opacity_stacked
:NETDATA.options.current.color_fill_opacity_area)
),
stackedGraph: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraph', (state.tmp.dygraph_chart_type === 'stacked')),
stackedGraphNaNFill: NETDATA.dataAttribute(state.element, 'dygraph-stackedgraphnanfill', 'none'),
drawAxis: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawaxis', true),
axisLabelFontSize: NETDATA.dataAttribute(state.element, 'dygraph-axislabelfontsize', 10),
axisLineColor: NETDATA.dataAttribute(state.element, 'dygraph-axislinecolor', NETDATA.themes.current.axis),
axisLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-axislinewidth', 1.0),
drawGrid: NETDATA.dataAttributeBoolean(state.element, 'dygraph-drawgrid', true),
gridLinePattern: NETDATA.dataAttribute(state.element, 'dygraph-gridlinepattern', null),
gridLineWidth: NETDATA.dataAttribute(state.element, 'dygraph-gridlinewidth', 1.0),
gridLineColor: NETDATA.dataAttribute(state.element, 'dygraph-gridlinecolor', NETDATA.themes.current.grid),
maxNumberWidth: NETDATA.dataAttribute(state.element, 'dygraph-maxnumberwidth', 8),
sigFigs: NETDATA.dataAttribute(state.element, 'dygraph-sigfigs', null),
digitsAfterDecimal: NETDATA.dataAttribute(state.element, 'dygraph-digitsafterdecimal', 2),
valueFormatter: NETDATA.dataAttribute(state.element, 'dygraph-valueformatter', undefined),
highlightCircleSize: NETDATA.dataAttribute(state.element, 'dygraph-highlightcirclesize', highlightCircleSize),
highlightSeriesOpts: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesopts', null), // TOO SLOW: { strokeWidth: 1.5 },
highlightSeriesBackgroundAlpha: NETDATA.dataAttribute(state.element, 'dygraph-highlightseriesbackgroundalpha', null), // TOO SLOW: (state.tmp.dygraph_chart_type === 'stacked')?0.7:0.5,
pointClickCallback: NETDATA.dataAttribute(state.element, 'dygraph-pointclickcallback', undefined),
visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
logscale: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?'y':undefined,
axes: {
x: {
pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-xpixelsperlabel', 50),
ticker: Dygraph.dateTicker,
axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-xaxislabelwidth', 60),
axisLabelFormatter: function (d, gran) {
void(gran);
return NETDATA.dateTime.xAxisTimeString(d);
}
},
y: {
logscale: (NETDATA.chartLibraries.dygraph.isLogScale(state) === true)?true:undefined,
pixelsPerLabel: NETDATA.dataAttribute(state.element, 'dygraph-ypixelsperlabel', 15),
axisLabelWidth: NETDATA.dataAttribute(state.element, 'dygraph-yaxislabelwidth', 50),
axisLabelFormatter: function (y) {
// unfortunately, we have to call this every single time
state.legendFormatValueDecimalsFromMinMax(
this.axes_[0].extremeRange[0],
this.axes_[0].extremeRange[1]
);
var old_units = this.user_attrs_.ylabel;
var v = state.legendFormatValue(y);
var new_units = state.units_current;
if(state.units_desired === 'auto' && typeof old_units !== 'undefined' && new_units !== old_units && !NETDATA.chartLibraries.dygraph.isSparkline(state)) {
// console.log(this);
// state.log('units discrepancy: old = ' + old_units + ', new = ' + new_units);
var len = this.plugins_.length;
while(len--) {
// console.log(this.plugins_[len]);
if(typeof this.plugins_[len].plugin.ylabel_div_ !== 'undefined'
&& this.plugins_[len].plugin.ylabel_div_ !== null
&& typeof this.plugins_[len].plugin.ylabel_div_.children !== 'undefined'
&& this.plugins_[len].plugin.ylabel_div_.children !== null
&& typeof this.plugins_[len].plugin.ylabel_div_.children[0].children !== 'undefined'
&& this.plugins_[len].plugin.ylabel_div_.children[0].children !== null
) {
this.plugins_[len].plugin.ylabel_div_.children[0].children[0].innerHTML = new_units;
this.user_attrs_.ylabel = new_units;
break;
}
}
if(len < 0)
state.log('units discrepancy, but cannot find dygraphs div to change: old = ' + old_units + ', new = ' + new_units);
}
return v;
}
}
},
legendFormatter: function(data) {
if(state.tmp.dygraph_mouse_down === true)
return;
var elements = state.element_legend_childs;
// if the hidden div is not there
// we are not managing the legend
if(elements.hidden === null) return;
if (typeof data.x !== 'undefined') {
state.legendSetDate(data.x);
var i = data.series.length;
while(i--) {
var series = data.series[i];
if(series.isVisible === true)
state.legendSetLabelValue(series.label, series.y);
else
state.legendSetLabelValue(series.label, null);
}
}
return '';
},
drawCallback: function(dygraph, is_initial) {
// the user has panned the chart and this is called to re-draw the chart
// 1. refresh this chart by adding data to it
// 2. notify all the other charts about the update they need
// to prevent an infinite loop (feedback), we use
// state.tmp.dygraph_user_action
// - when true, this is initiated by a user
// - when false, this is feedback
if(state.current.name !== 'auto' && state.tmp.dygraph_user_action === true) {
state.tmp.dygraph_user_action = false;
var x_range = dygraph.xAxisRange();
var after = Math.round(x_range[0]);
var before = Math.round(x_range[1]);
if(NETDATA.options.debug.dygraph === true)
state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): mode ' + state.current.name + ' ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
//console.log(state);
if(before <= state.netdata_last && after >= state.netdata_first)
// update only when we are within the data limits
state.updateChartPanOrZoom(after, before);
}
},
zoomCallback: function(minDate, maxDate, yRanges) {
// the user has selected a range on the chart
// 1. refresh this chart by adding data to it
// 2. notify all the other charts about the update they need
void(yRanges);
if(NETDATA.options.debug.dygraph === true)
state.log('dygraphZoomCallback(): ' + state.current.name);
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.setMode('zoom');
// refresh it to the greatest possible zoom level
state.tmp.dygraph_user_action = true;
state.tmp.dygraph_force_zoom = true;
state.updateChartPanOrZoom(minDate, maxDate);
},
highlightCallback: function(event, x, points, row, seriesName) {
void(seriesName);
state.pauseChart();
// there is a bug in dygraph when the chart is zoomed enough
// the time it thinks is selected is wrong
// here we calculate the time t based on the row number selected
// which is ok
// var t = state.data_after + row * state.data_update_every;
// console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every);
if(state.tmp.dygraph_mouse_down !== true)
NETDATA.globalSelectionSync.sync(state, x);
// fix legend zIndex using the internal structures of dygraph legend module
// this works, but it is a hack!
// state.tmp.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
},
unhighlightCallback: function(event) {
void(event);
if(state.tmp.dygraph_mouse_down === true)
return;
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('dygraphUnhighlightCallback()');
state.unpauseChart();
NETDATA.globalSelectionSync.stop();
},
underlayCallback: function(canvas, area, g) {
// the chart is about to be drawn
// this function renders global highlighted time-frame
if(NETDATA.globalChartUnderlay.isActive()) {
var after = NETDATA.globalChartUnderlay.after;
var before = NETDATA.globalChartUnderlay.before;
if(after < state.view_after)
after = state.view_after;
if(before > state.view_before)
before = state.view_before;
if(after < before) {
var bottom_left = g.toDomCoords(after, -20);
var top_right = g.toDomCoords(before, +20);
var left = bottom_left[0];
var right = top_right[0];
canvas.fillStyle = NETDATA.themes.current.highlight;
canvas.fillRect(left, area.y, right - left, area.h);
}
}
},
interactionModel : {
mousedown: function(event, dygraph, context) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.mousedown()');
state.tmp.dygraph_user_action = true;
if(NETDATA.options.debug.dygraph === true)
state.log('dygraphMouseDown()');
// Right-click should not initiate anything.
if(event.button && event.button === 2) return;
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_mouse_down = true;
context.initializeMouseDown(event, dygraph, context);
//console.log(event);
if(event.button && event.button === 1) {
if (event.shiftKey) {
//console.log('middle mouse button dragging (PAN)');
state.setMode('pan');
// NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_highlight_after = null;
Dygraph.startPan(event, dygraph, context);
}
else if(event.altKey || event.ctrlKey || event.metaKey) {
//console.log('middle mouse button highlight');
if (!(event.offsetX && event.offsetY)) {
event.offsetX = event.layerX - event.target.offsetLeft;
event.offsetY = event.layerY - event.target.offsetTop;
}
state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
Dygraph.startZoom(event, dygraph, context);
}
else {
//console.log('middle mouse button selection for zoom (ZOOM)');
state.setMode('zoom');
// NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_highlight_after = null;
Dygraph.startZoom(event, dygraph, context);
}
}
else {
if (event.shiftKey) {
//console.log('left mouse button selection for zoom (ZOOM)');
state.setMode('zoom');
// NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_highlight_after = null;
Dygraph.startZoom(event, dygraph, context);
}
else if(event.altKey || event.ctrlKey || event.metaKey) {
//console.log('left mouse button highlight');
if (!(event.offsetX && event.offsetY)) {
event.offsetX = event.layerX - event.target.offsetLeft;
event.offsetY = event.layerY - event.target.offsetTop;
}
state.tmp.dygraph_highlight_after = dygraph.toDataXCoord(event.offsetX);
Dygraph.startZoom(event, dygraph, context);
}
else {
//console.log('left mouse button dragging (PAN)');
state.setMode('pan');
// NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_highlight_after = null;
Dygraph.startPan(event, dygraph, context);
}
}
},
mousemove: function(event, dygraph, context) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.mousemove()');
if(state.tmp.dygraph_highlight_after !== null) {
//console.log('highlight selection...');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
Dygraph.moveZoom(event, dygraph, context);
event.preventDefault();
}
else if(context.isPanning) {
//console.log('panning...');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
//NETDATA.globalSelectionSync.stop();
//NETDATA.globalSelectionSync.delay();
state.setMode('pan');
context.is2DPan = false;
Dygraph.movePan(event, dygraph, context);
}
else if(context.isZooming) {
//console.log('zooming...');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
//NETDATA.globalSelectionSync.stop();
//NETDATA.globalSelectionSync.delay();
state.setMode('zoom');
Dygraph.moveZoom(event, dygraph, context);
}
},
mouseup: function(event, dygraph, context) {
state.tmp.dygraph_mouse_down = false;
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.mouseup()');
if(state.tmp.dygraph_highlight_after !== null) {
//console.log('done highlight selection');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
if (!(event.offsetX && event.offsetY)){
event.offsetX = event.layerX - event.target.offsetLeft;
event.offsetY = event.layerY - event.target.offsetTop;
}
NETDATA.globalChartUnderlay.set(state
, state.tmp.dygraph_highlight_after
, dygraph.toDataXCoord(event.offsetX)
, state.view_after
, state.view_before
);
state.tmp.dygraph_highlight_after = null;
context.isZooming = false;
dygraph.clearZoomRect_();
dygraph.drawGraph_(false);
// refresh all the charts immediately
NETDATA.options.auto_refresher_stop_until = 0;
}
else if (context.isPanning) {
//console.log('done panning');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
Dygraph.endPan(event, dygraph, context);
// refresh all the charts immediately
NETDATA.options.auto_refresher_stop_until = 0;
}
else if (context.isZooming) {
//console.log('done zomming');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
Dygraph.endZoom(event, dygraph, context);
// refresh all the charts immediately
NETDATA.options.auto_refresher_stop_until = 0;
}
},
click: function(event, dygraph, context) {
void(dygraph);
void(context);
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.click()');
event.preventDefault();
},
dblclick: function(event, dygraph, context) {
void(event);
void(dygraph);
void(context);
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.dblclick()');
NETDATA.resetAllCharts(state);
},
wheel: function(event, dygraph, context) {
void(context);
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.wheel()');
// Take the offset of a mouse event on the dygraph canvas and
// convert it to a pair of percentages from the bottom left.
// (Not top left, bottom is where the lower value is.)
function offsetToPercentage(g, offsetX, offsetY) {
// This is calculating the pixel offset of the leftmost date.
var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0];
var yar0 = g.yAxisRange(0);
// This is calculating the pixel of the highest value. (Top pixel)
var yOffset = g.toDomCoords(null, yar0[1])[1];
// x y w and h are relative to the corner of the drawing area,
// so that the upper corner of the drawing area is (0, 0).
var x = offsetX - xOffset;
var y = offsetY - yOffset;
// This is computing the rightmost pixel, effectively defining the
// width.
var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset;
// This is computing the lowest pixel, effectively defining the height.
var h = g.toDomCoords(null, yar0[0])[1] - yOffset;
// Percentage from the left.
var xPct = w === 0 ? 0 : (x / w);
// Percentage from the top.
var yPct = h === 0 ? 0 : (y / h);
// The (1-) part below changes it from "% distance down from the top"
// to "% distance up from the bottom".
return [xPct, (1-yPct)];
}
// Adjusts [x, y] toward each other by zoomInPercentage%
// Split it so the left/bottom axis gets xBias/yBias of that change and
// tight/top gets (1-xBias)/(1-yBias) of that change.
//
// If a bias is missing it splits it down the middle.
function zoomRange(g, zoomInPercentage, xBias, yBias) {
xBias = xBias || 0.5;
yBias = yBias || 0.5;
function adjustAxis(axis, zoomInPercentage, bias) {
var delta = axis[1] - axis[0];
var increment = delta * zoomInPercentage;
var foo = [increment * bias, increment * (1-bias)];
return [ axis[0] + foo[0], axis[1] - foo[1] ];
}
var yAxes = g.yAxisRanges();
var newYAxes = [];
for (var i = 0; i < yAxes.length; i++) {
newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias);
}
return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias);
}
if(event.altKey || event.shiftKey) {
state.tmp.dygraph_user_action = true;
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
// http://dygraphs.com/gallery/interaction-api.js
var normal_def;
if(typeof event.wheelDelta === 'number' && !isNaN(event.wheelDelta))
// chrome
normal_def = event.wheelDelta / 40;
else
// firefox
normal_def = event.deltaY * -1.2;
var normal = (event.detail) ? event.detail * -1 : normal_def;
var percentage = normal / 50;
if (!(event.offsetX && event.offsetY)){
event.offsetX = event.layerX - event.target.offsetLeft;
event.offsetY = event.layerY - event.target.offsetTop;
}
var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY);
var xPct = percentages[0];
var yPct = percentages[1];
var new_x_range = zoomRange(dygraph, percentage, xPct, yPct);
var after = new_x_range[0];
var before = new_x_range[1];
var first = state.netdata_first + state.data_update_every;
var last = state.netdata_last + state.data_update_every;
if(before > last) {
after -= (before - last);
before = last;
}
if(after < first) {
after = first;
}
state.setMode('zoom');
state.updateChartPanOrZoom(after, before, function() {
dygraph.updateOptions({ dateWindow: [ after, before ] });
});
event.preventDefault();
}
},
touchstart: function(event, dygraph, context) {
state.tmp.dygraph_mouse_down = true;
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.touchstart()');
state.tmp.dygraph_user_action = true;
state.setMode('zoom');
state.pauseChart();
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
// we overwrite the touch directions at the end, to overwrite
// the internal default of dygraph
context.touchDirections = { x: true, y: false };
state.dygraph_last_touch_start = Date.now();
state.dygraph_last_touch_move = 0;
if(typeof event.touches[0].pageX === 'number')
state.dygraph_last_touch_page_x = event.touches[0].pageX;
else
state.dygraph_last_touch_page_x = 0;
},
touchmove: function(event, dygraph, context) {
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.touchmove()');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
state.dygraph_last_touch_move = Date.now();
},
touchend: function(event, dygraph, context) {
state.tmp.dygraph_mouse_down = false;
if(NETDATA.options.debug.dygraph === true || state.debug === true)
state.log('interactionModel.touchend()');
NETDATA.globalSelectionSync.stop();
NETDATA.globalSelectionSync.delay();
state.tmp.dygraph_user_action = true;
Dygraph.defaultInteractionModel.touchend(event, dygraph, context);
// if it didn't move, it is a selection
if(state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) {
NETDATA.globalSelectionSync.dont_sync_before = 0;
NETDATA.globalSelectionSync.setMaster(state);
// internal api of dygraph
var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
console.log('pct: ' + pct.toString());
var t = Math.round(state.view_after + (state.view_before - state.view_after) * pct);
if(NETDATA.dygraphSetSelection(state, t) === true) {
NETDATA.globalSelectionSync.sync(state, t);
}
}
// if it was double tap within double click time, reset the charts
var now = Date.now();
if(typeof state.dygraph_last_touch_end !== 'undefined') {
if(state.dygraph_last_touch_move === 0) {
var dt = now - state.dygraph_last_touch_end;
if(dt <= NETDATA.options.current.double_click_speed)
NETDATA.resetAllCharts(state);
}
}
// remember the timestamp of the last touch end
state.dygraph_last_touch_end = now;
// refresh all the charts immediately
NETDATA.options.auto_refresher_stop_until = 0;
}
}
};
if(NETDATA.chartLibraries.dygraph.isLogScale(state) === true) {
if(Array.isArray(state.tmp.dygraph_options.valueRange) && state.tmp.dygraph_options.valueRange[0] <= 0)
state.tmp.dygraph_options.valueRange[0] = null;
}
if(NETDATA.chartLibraries.dygraph.isSparkline(state) === true) {
state.tmp.dygraph_options.drawGrid = false;
state.tmp.dygraph_options.drawAxis = false;
state.tmp.dygraph_options.title = undefined;
state.tmp.dygraph_options.ylabel = undefined;
state.tmp.dygraph_options.yLabelWidth = 0;
//state.tmp.dygraph_options.labelsDivWidth = 120;
//state.tmp.dygraph_options.labelsDivStyles.width = '120px';
state.tmp.dygraph_options.labelsSeparateLines = true;
state.tmp.dygraph_options.rightGap = 0;
state.tmp.dygraph_options.yRangePad = 1;
}
if(smooth === true) {
state.tmp.dygraph_smooth_eligible = true;
if(NETDATA.options.current.smooth_plot === true)
state.tmp.dygraph_options.plotter = smoothPlotter;
}
else state.tmp.dygraph_smooth_eligible = false;
if(netdataSnapshotData !== null && NETDATA.globalPanAndZoom.isActive() === true && NETDATA.globalPanAndZoom.isMaster(state) === false) {
// pan and zoom on snapshots
state.tmp.dygraph_options.dateWindow = [ NETDATA.globalPanAndZoom.force_after_ms, NETDATA.globalPanAndZoom.force_before_ms ];
//state.tmp.dygraph_options.isZoomedIgnoreProgrammaticZoom = true;
}
state.tmp.dygraph_instance = new Dygraph(state.element_chart,
data.result.data, state.tmp.dygraph_options);
state.tmp.dygraph_force_zoom = false;
state.tmp.dygraph_user_action = false;
state.tmp.dygraph_last_rendered = Date.now();
state.tmp.dygraph_highlight_after = null;
if(state.tmp.dygraph_options.valueRange[0] === null && state.tmp.dygraph_options.valueRange[1] === null) {
if (typeof state.tmp.dygraph_instance.axes_[0].extremeRange !== 'undefined') {
state.tmp.__commonMin = NETDATA.dataAttribute(state.element, 'common-min', null);
state.tmp.__commonMax = NETDATA.dataAttribute(state.element, 'common-max', null);
}
else {
state.log('incompatible version of Dygraph detected');
state.tmp.__commonMin = null;
state.tmp.__commonMax = null;
}
}
else {
// if the user gave a valueRange, respect it
state.tmp.__commonMin = null;
state.tmp.__commonMax = null;
}
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// morris
NETDATA.morrisInitialize = function(callback) {
if(typeof netdataNoMorris === 'undefined' || !netdataNoMorris) {
// morris requires raphael
if(!NETDATA.chartLibraries.raphael.initialized) {
if(NETDATA.chartLibraries.raphael.enabled) {
NETDATA.raphaelInitialize(function() {
NETDATA.morrisInitialize(callback);
});
}
else {
NETDATA.chartLibraries.morris.enabled = false;
if(typeof callback === "function")
return callback();
}
}
else {
NETDATA._loadCSS(NETDATA.morris_css);
$.ajax({
url: NETDATA.morris_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('morris', NETDATA.morris_js);
})
.fail(function() {
NETDATA.chartLibraries.morris.enabled = false;
NETDATA.error(100, NETDATA.morris_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
}
else {
NETDATA.chartLibraries.morris.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.morrisChartUpdate = function(state, data) {
state.morris_instance.setData(data.result.data);
return true;
};
NETDATA.morrisChartCreate = function(state, data) {
state.morris_options = {
element: state.element_chart.id,
data: data.result.data,
xkey: 'time',
ykeys: data.dimension_names,
labels: data.dimension_names,
lineWidth: 2,
pointSize: 3,
smooth: true,
hideHover: 'auto',
parseTime: true,
continuousLine: false,
behaveLikeLine: false
};
if(state.chart.chart_type === 'line')
state.morris_instance = new Morris.Line(state.morris_options);
else if(state.chart.chart_type === 'area') {
state.morris_options.behaveLikeLine = true;
state.morris_instance = new Morris.Area(state.morris_options);
}
else // stacked
state.morris_instance = new Morris.Area(state.morris_options);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// raphael
NETDATA.raphaelInitialize = function(callback) {
if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) {
$.ajax({
url: NETDATA.raphael_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js);
})
.fail(function() {
NETDATA.chartLibraries.raphael.enabled = false;
NETDATA.error(100, NETDATA.raphael_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.raphael.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.raphaelChartUpdate = function(state, data) {
$(state.element_chart).raphael(data.result, {
width: state.chartWidth(),
height: state.chartHeight()
});
return false;
};
NETDATA.raphaelChartCreate = function(state, data) {
$(state.element_chart).raphael(data.result, {
width: state.chartWidth(),
height: state.chartHeight()
});
return false;
};
// ----------------------------------------------------------------------------------------------------------------
// C3
NETDATA.c3Initialize = function(callback) {
if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) {
// C3 requires D3
if(!NETDATA.chartLibraries.d3.initialized) {
if(NETDATA.chartLibraries.d3.enabled) {
NETDATA.d3Initialize(function() {
NETDATA.c3Initialize(callback);
});
}
else {
NETDATA.chartLibraries.c3.enabled = false;
if(typeof callback === "function")
return callback();
}
}
else {
NETDATA._loadCSS(NETDATA.c3_css);
$.ajax({
url: NETDATA.c3_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('c3', NETDATA.c3_js);
})
.fail(function() {
NETDATA.chartLibraries.c3.enabled = false;
NETDATA.error(100, NETDATA.c3_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
}
else {
NETDATA.chartLibraries.c3.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.c3ChartUpdate = function(state, data) {
state.c3_instance.destroy();
return NETDATA.c3ChartCreate(state, data);
//state.c3_instance.load({
// rows: data.result,
// unload: true
//});
//return true;
};
NETDATA.c3ChartCreate = function(state, data) {
state.element_chart.id = 'c3-' + state.uuid;
// console.log('id = ' + state.element_chart.id);
state.c3_instance = c3.generate({
bindto: '#' + state.element_chart.id,
size: {
width: state.chartWidth(),
height: state.chartHeight()
},
color: {
pattern: state.chartColors()
},
data: {
x: 'time',
rows: data.result,
type: (state.chart.chart_type === 'line')?'spline':'area-spline'
},
axis: {
x: {
type: 'timeseries',
tick: {
format: function(x) {
return NETDATA.dateTime.xAxisTimeString(x);
}
}
}
},
grid: {
x: {
show: true
},
y: {
show: true
}
},
point: {
show: false
},
line: {
connectNull: false
},
transition: {
duration: 0
},
interaction: {
enabled: true
}
});
// console.log(state.c3_instance);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// d3pie
NETDATA.d3pieInitialize = function(callback) {
if(typeof netdataNoD3pie === 'undefined' || !netdataNoD3pie) {
// d3pie requires D3
if(!NETDATA.chartLibraries.d3.initialized) {
if(NETDATA.chartLibraries.d3.enabled) {
NETDATA.d3Initialize(function() {
NETDATA.d3pieInitialize(callback);
});
}
else {
NETDATA.chartLibraries.d3pie.enabled = false;
if(typeof callback === "function")
return callback();
}
}
else {
$.ajax({
url: NETDATA.d3pie_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('d3pie', NETDATA.d3pie_js);
})
.fail(function() {
NETDATA.chartLibraries.d3pie.enabled = false;
NETDATA.error(100, NETDATA.d3pie_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
}
else {
NETDATA.chartLibraries.d3pie.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.d3pieSetContent = function(state, data, index) {
state.legendFormatValueDecimalsFromMinMax(
data.min,
data.max
);
var content = [];
var colors = state.chartColors();
var len = data.result.labels.length;
for(var i = 1; i < len ; i++) {
var label = data.result.labels[i];
var value = data.result.data[index][label];
var color = colors[i - 1];
if(value !== null && value > 0) {
content.push({
label: label,
value: value,
color: color
});
}
}
if(content.length === 0)
content.push({
label: 'no data',
value: 100,
color: '#666666'
});
state.tmp.d3pie_last_slot = index;
return content;
};
NETDATA.d3pieDateRange = function(state, data, index) {
var dt = Math.round((data.before - data.after + 1) / data.points);
var dt_str = NETDATA.seconds4human(dt);
var before = data.result.data[index].time;
var after = before - (dt * 1000);
var d1 = NETDATA.dateTime.localeDateString(after);
var t1 = NETDATA.dateTime.localeTimeString(after);
var d2 = NETDATA.dateTime.localeDateString(before);
var t2 = NETDATA.dateTime.localeTimeString(before);
if(d1 === d2)
return d1 + ' ' + t1 + ' to ' + t2 + ', ' + dt_str;
return d1 + ' ' + t1 + ' to ' + d2 + ' ' + t2 + ', ' + dt_str;
};
NETDATA.d3pieSetSelection = function(state, t) {
if(state.timeIsVisible(t) !== true)
return NETDATA.d3pieClearSelection(state, true);
var slot = state.calculateRowForTime(t);
slot = state.data.result.data.length - slot - 1;
if(slot < 0 || slot >= state.data.result.length)
return NETDATA.d3pieClearSelection(state, true);
if(state.tmp.d3pie_last_slot === slot) {
// we already show this slot, don't do anything
return true;
}
if(state.tmp.d3pie_timer === undefined) {
state.tmp.d3pie_timer = NETDATA.timeout.set(function() {
state.tmp.d3pie_timer = undefined;
NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, state.data, slot), NETDATA.d3pieDateRange(state, state.data, slot));
}, 0);
}
return true;
};
NETDATA.d3pieClearSelection = function(state, force) {
if(typeof state.tmp.d3pie_timer !== 'undefined') {
NETDATA.timeout.clear(state.tmp.d3pie_timer);
state.tmp.d3pie_timer = undefined;
}
if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
NETDATA.d3pieChartUpdate(state, state.data);
}
else {
if(state.tmp.d3pie_last_slot !== -1) {
state.tmp.d3pie_last_slot = -1;
NETDATA.d3pieChange(state, [{label: 'no data', value: 1, color: '#666666'}], 'no data available');
}
}
return true;
};
NETDATA.d3pieChange = function(state, content, footer) {
if(state.d3pie_forced_subtitle === null) {
//state.d3pie_instance.updateProp("header.subtitle.text", state.units_current);
state.d3pie_instance.options.header.subtitle.text = state.units_current;
}
if(state.d3pie_forced_footer === null) {
//state.d3pie_instance.updateProp("footer.text", footer);
state.d3pie_instance.options.footer.text = footer;
}
//state.d3pie_instance.updateProp("data.content", content);
state.d3pie_instance.options.data.content = content;
state.d3pie_instance.destroy();
state.d3pie_instance.recreate();
return true;
};
NETDATA.d3pieChartUpdate = function(state, data) {
return NETDATA.d3pieChange(state, NETDATA.d3pieSetContent(state, data, 0), NETDATA.d3pieDateRange(state, data, 0));
};
NETDATA.d3pieChartCreate = function(state, data) {
state.element_chart.id = 'd3pie-' + state.uuid;
// console.log('id = ' + state.element_chart.id);
var content = NETDATA.d3pieSetContent(state, data, 0);
state.d3pie_forced_title = NETDATA.dataAttribute(state.element, 'd3pie-title', null);
state.d3pie_forced_subtitle = NETDATA.dataAttribute(state.element, 'd3pie-subtitle', null);
state.d3pie_forced_footer = NETDATA.dataAttribute(state.element, 'd3pie-footer', null);
state.d3pie_options = {
header: {
title: {
text: (state.d3pie_forced_title !== null) ? state.d3pie_forced_title : state.title,
color: NETDATA.dataAttribute(state.element, 'd3pie-title-color', NETDATA.themes.current.d3pie.title),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-title-fontsize', 12),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-title-fontweight', "bold"),
font: NETDATA.dataAttribute(state.element, 'd3pie-title-font', "arial")
},
subtitle: {
text: (state.d3pie_forced_subtitle !== null) ? state.d3pie_forced_subtitle : state.units_current,
color: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-color', NETDATA.themes.current.d3pie.subtitle),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontsize', 10),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-fontweight', "normal"),
font: NETDATA.dataAttribute(state.element, 'd3pie-subtitle-font', "arial")
},
titleSubtitlePadding: 1
},
footer: {
text: (state.d3pie_forced_footer !== null) ? state.d3pie_forced_footer : NETDATA.d3pieDateRange(state, data, 0),
color: NETDATA.dataAttribute(state.element, 'd3pie-footer-color', NETDATA.themes.current.d3pie.footer),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontsize', 9),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-footer-fontweight', "bold"),
font: NETDATA.dataAttribute(state.element, 'd3pie-footer-font', "arial"),
location: NETDATA.dataAttribute(state.element, 'd3pie-footer-location', "bottom-center") // bottom-left, bottom-center, bottom-right
},
size: {
canvasHeight: state.chartHeight(),
canvasWidth: state.chartWidth(),
pieInnerRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieinnerradius', "45%"),
pieOuterRadius: NETDATA.dataAttribute(state.element, 'd3pie-pieouterradius', "80%")
},
data: {
// none, random, value-asc, value-desc, label-asc, label-desc
sortOrder: NETDATA.dataAttribute(state.element, 'd3pie-sortorder', "value-desc"),
smallSegmentGrouping: {
enabled: NETDATA.dataAttributeBoolean(state.element, "d3pie-smallsegmentgrouping-enabled", false),
value: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-value', 1),
// percentage, value
valueType: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-valuetype', "percentage"),
label: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-label', "other"),
color: NETDATA.dataAttribute(state.element, 'd3pie-smallsegmentgrouping-color', NETDATA.themes.current.d3pie.other)
},
// REQUIRED! This is where you enter your pie data; it needs to be an array of objects
// of this form: { label: "label", value: 1.5, color: "#000000" } - color is optional
content: content
},
labels: {
outer: {
// label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2
format: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-format', "label-value1"),
hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-hidewhenlessthanpercentage', null),
pieDistance: NETDATA.dataAttribute(state.element, 'd3pie-labels-outer-piedistance', 15)
},
inner: {
// label, value, percentage, label-value1, label-value2, label-percentage1, label-percentage2
format: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-format', "percentage"),
hideWhenLessThanPercentage: NETDATA.dataAttribute(state.element, 'd3pie-labels-inner-hidewhenlessthanpercentage', 2)
},
mainLabel: {
color: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-color', NETDATA.themes.current.d3pie.mainlabel), // or 'segment' for dynamic color
font: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-font', "arial"),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontsize', 10),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-mainLabel-fontweight', "normal")
},
percentage: {
color: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-color', NETDATA.themes.current.d3pie.percentage),
font: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-font', "arial"),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontsize', 10),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-percentage-fontweight', "bold"),
decimalPlaces: 0
},
value: {
color: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-color', NETDATA.themes.current.d3pie.value),
font: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-font', "arial"),
fontSize: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontsize', 10),
fontWeight: NETDATA.dataAttribute(state.element, 'd3pie-labels-value-fontweight', "bold")
},
lines: {
enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-lines-enabled', true),
style: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-style', "curved"),
color: NETDATA.dataAttribute(state.element, 'd3pie-labels-lines-color', "segment") // "segment" or a hex color
},
truncation: {
enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-labels-truncation-enabled', false),
truncateLength: NETDATA.dataAttribute(state.element, 'd3pie-labels-truncation-truncatelength', 30)
},
formatter: function(context) {
// console.log(context);
if(context.part === 'value')
return state.legendFormatValue(context.value);
if(context.part === 'percentage')
return context.label + '%';
return context.label;
}
},
effects: {
load: {
effect: "none", // none / default
speed: 0 // commented in the d3pie code to speed it up
},
pullOutSegmentOnClick: {
effect: "bounce", // none / linear / bounce / elastic / back
speed: 400,
size: 5
},
highlightSegmentOnMouseover: true,
highlightLuminosity: -0.2
},
tooltips: {
enabled: false,
type: "placeholder", // caption|placeholder
string: "",
placeholderParser: null, // function
styles: {
fadeInSpeed: 250,
backgroundColor: NETDATA.themes.current.d3pie.tooltip_bg,
backgroundOpacity: 0.5,
color: NETDATA.themes.current.d3pie.tooltip_fg,
borderRadius: 2,
font: "arial",
fontSize: 12,
padding: 4
}
},
misc: {
colors: {
background: 'transparent', // transparent or color #
// segments: state.chartColors(),
segmentStroke: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-segmentstroke', NETDATA.themes.current.d3pie.segment_stroke)
},
gradient: {
enabled: NETDATA.dataAttributeBoolean(state.element, 'd3pie-misc-gradient-enabled', false),
percentage: NETDATA.dataAttribute(state.element, 'd3pie-misc-colors-percentage', 95),
color: NETDATA.dataAttribute(state.element, 'd3pie-misc-gradient-color', NETDATA.themes.current.d3pie.gradient_color)
},
canvasPadding: {
top: 5,
right: 5,
bottom: 5,
left: 5
},
pieCenterOffset: {
x: 0,
y: 0
},
cssPrefix: NETDATA.dataAttribute(state.element, 'd3pie-cssprefix', null)
},
callbacks: {
onload: null,
onMouseoverSegment: null,
onMouseoutSegment: null,
onClickSegment: null
}
};
state.d3pie_instance = new d3pie(state.element_chart, state.d3pie_options);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// D3
NETDATA.d3Initialize = function(callback) {
if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
$.ajax({
url: NETDATA.d3_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('d3', NETDATA.d3_js);
})
.fail(function() {
NETDATA.chartLibraries.d3.enabled = false;
NETDATA.error(100, NETDATA.d3_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.d3.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.d3ChartUpdate = function(state, data) {
void(state);
void(data);
return false;
};
NETDATA.d3ChartCreate = function(state, data) {
void(state);
void(data);
return false;
};
// ----------------------------------------------------------------------------------------------------------------
// google charts
NETDATA.googleInitialize = function(callback) {
if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) {
$.ajax({
url: NETDATA.google_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('google', NETDATA.google_js);
google.load('visualization', '1.1', {
'packages': ['corechart', 'controls'],
'callback': callback
});
})
.fail(function() {
NETDATA.chartLibraries.google.enabled = false;
NETDATA.error(100, NETDATA.google_js);
if(typeof callback === "function")
return callback();
});
}
else {
NETDATA.chartLibraries.google.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.googleChartUpdate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
state.google_instance.draw(datatable, state.google_options);
return true;
};
NETDATA.googleChartCreate = function(state, data) {
var datatable = new google.visualization.DataTable(data.result);
state.google_options = {
colors: state.chartColors(),
// do not set width, height - the chart resizes itself
//width: state.chartWidth(),
//height: state.chartHeight(),
lineWidth: 1,
title: state.title,
fontSize: 11,
hAxis: {
// title: "Time of Day",
// format:'HH:mm:ss',
viewWindowMode: 'maximized',
slantedText: false,
format:'HH:mm:ss',
textStyle: {
fontSize: 9
},
gridlines: {
color: '#EEE'
}
},
vAxis: {
title: state.units_current,
viewWindowMode: 'pretty',
minValue: -0.1,
maxValue: 0.1,
direction: 1,
textStyle: {
fontSize: 9
},
gridlines: {
color: '#EEE'
}
},
chartArea: {
width: '65%',
height: '80%'
},
focusTarget: 'category',
annotation: {
'1': {
style: 'line'
}
},
pointsVisible: 0,
titlePosition: 'out',
titleTextStyle: {
fontSize: 11
},
tooltip: {
isHtml: false,
ignoreBounds: true,
textStyle: {
fontSize: 9
}
},
curveType: 'function',
areaOpacity: 0.3,
isStacked: false
};
switch(state.chart.chart_type) {
case "area":
state.google_options.vAxis.viewWindowMode = 'maximized';
state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area;
state.google_instance = new google.visualization.AreaChart(state.element_chart);
break;
case "stacked":
state.google_options.isStacked = true;
state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked;
state.google_options.vAxis.viewWindowMode = 'maximized';
state.google_options.vAxis.minValue = null;
state.google_options.vAxis.maxValue = null;
state.google_instance = new google.visualization.AreaChart(state.element_chart);
break;
default:
case "line":
state.google_options.lineWidth = 2;
state.google_instance = new google.visualization.LineChart(state.element_chart);
break;
}
state.google_instance.draw(datatable, state.google_options);
return true;
};
// ----------------------------------------------------------------------------------------------------------------
NETDATA.easypiechartPercentFromValueMinMax = function(state, value, min, max) {
if(typeof value !== 'number') value = 0;
if(typeof min !== 'number') min = 0;
if(typeof max !== 'number') max = 0;
if(min > max) {
var t = min;
min = max;
max = t;
}
if(min > value) min = value;
if(max < value) max = value;
state.legendFormatValueDecimalsFromMinMax(min, max);
if(state.tmp.easyPieChartMin === null && min > 0) min = 0;
if(state.tmp.easyPieChartMax === null && max < 0) max = 0;
var pcent;
if(min < 0 && max > 0) {
// it is both positive and negative
// zero at the top center of the chart
max = (-min > max)? -min : max;
pcent = Math.round(value * 100 / max);
}
else if(value >= 0 && min >= 0 && max >= 0) {
// clockwise
pcent = Math.round((value - min) * 100 / (max - min));
if(pcent === 0) pcent = 0.1;
}
else {
// counter clockwise
pcent = Math.round((value - max) * 100 / (max - min));
if(pcent === 0) pcent = -0.1;
}
return pcent;
};
// ----------------------------------------------------------------------------------------------------------------
// easy-pie-chart
NETDATA.easypiechartInitialize = function(callback) {
if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
$.ajax({
url: NETDATA.easypiechart_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js);
})
.fail(function() {
NETDATA.chartLibraries.easypiechart.enabled = false;
NETDATA.error(100, NETDATA.easypiechart_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
})
}
else {
NETDATA.chartLibraries.easypiechart.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.easypiechartClearSelection = function(state, force) {
if(typeof state.tmp.easyPieChartEvent !== 'undefined' && typeof state.tmp.easyPieChartEvent.timer !== 'undefined') {
NETDATA.timeout.clear(state.tmp.easyPieChartEvent.timer);
state.tmp.easyPieChartEvent.timer = undefined;
}
if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
NETDATA.easypiechartChartUpdate(state, state.data);
}
else {
state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(null);
state.tmp.easyPieChart_instance.update(0);
}
state.tmp.easyPieChart_instance.enableAnimation();
return true;
};
NETDATA.easypiechartSetSelection = function(state, t) {
if(state.timeIsVisible(t) !== true)
return NETDATA.easypiechartClearSelection(state, true);
var slot = state.calculateRowForTime(t);
if(slot < 0 || slot >= state.data.result.length)
return NETDATA.easypiechartClearSelection(state, true);
if(typeof state.tmp.easyPieChartEvent === 'undefined') {
state.tmp.easyPieChartEvent = {
timer: undefined,
value: 0,
pcent: 0
};
}
var value = state.data.result[state.data.result.length - 1 - slot];
var min = (state.tmp.easyPieChartMin === null)?NETDATA.commonMin.get(state):state.tmp.easyPieChartMin;
var max = (state.tmp.easyPieChartMax === null)?NETDATA.commonMax.get(state):state.tmp.easyPieChartMax;
var pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
state.tmp.easyPieChartEvent.value = value;
state.tmp.easyPieChartEvent.pcent = pcent;
state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
if(state.tmp.easyPieChartEvent.timer === undefined) {
state.tmp.easyPieChart_instance.disableAnimation();
state.tmp.easyPieChartEvent.timer = NETDATA.timeout.set(function() {
state.tmp.easyPieChartEvent.timer = undefined;
state.tmp.easyPieChart_instance.update(state.tmp.easyPieChartEvent.pcent);
}, 0);
}
return true;
};
NETDATA.easypiechartChartUpdate = function(state, data) {
var value, min, max, pcent;
if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
value = null;
pcent = 0;
}
else {
value = data.result[0];
min = (state.tmp.easyPieChartMin === null)?NETDATA.commonMin.get(state):state.tmp.easyPieChartMin;
max = (state.tmp.easyPieChartMax === null)?NETDATA.commonMax.get(state):state.tmp.easyPieChartMax;
pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
}
state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
state.tmp.easyPieChart_instance.update(pcent);
return true;
};
NETDATA.easypiechartChartCreate = function(state, data) {
var chart = $(state.element_chart);
var value = data.result[0];
var min = NETDATA.dataAttribute(state.element, 'easypiechart-min-value', null);
var max = NETDATA.dataAttribute(state.element, 'easypiechart-max-value', null);
if(min === null) {
min = NETDATA.commonMin.get(state);
state.tmp.easyPieChartMin = null;
}
else
state.tmp.easyPieChartMin = min;
if(max === null) {
max = NETDATA.commonMax.get(state);
state.tmp.easyPieChartMax = null;
}
else
state.tmp.easyPieChartMax = max;
var size = state.chartWidth();
var stroke = Math.floor(size / 22);
if(stroke < 3) stroke = 2;
var valuefontsize = Math.floor((size * 2 / 3) / 5);
var valuetop = Math.round((size - valuefontsize - (size / 40)) / 2);
state.tmp.easyPieChartLabel = document.createElement('span');
state.tmp.easyPieChartLabel.className = 'easyPieChartLabel';
state.tmp.easyPieChartLabel.innerText = state.legendFormatValue(value);
state.tmp.easyPieChartLabel.style.fontSize = valuefontsize + 'px';
state.tmp.easyPieChartLabel.style.top = valuetop.toString() + 'px';
state.element_chart.appendChild(state.tmp.easyPieChartLabel);
var titlefontsize = Math.round(valuefontsize * 1.6 / 3);
var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40));
state.tmp.easyPieChartTitle = document.createElement('span');
state.tmp.easyPieChartTitle.className = 'easyPieChartTitle';
state.tmp.easyPieChartTitle.innerText = state.title;
state.tmp.easyPieChartTitle.style.fontSize = titlefontsize + 'px';
state.tmp.easyPieChartTitle.style.lineHeight = titlefontsize + 'px';
state.tmp.easyPieChartTitle.style.top = titletop.toString() + 'px';
state.element_chart.appendChild(state.tmp.easyPieChartTitle);
var unitfontsize = Math.round(titlefontsize * 0.9);
var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40));
state.tmp.easyPieChartUnits = document.createElement('span');
state.tmp.easyPieChartUnits.className = 'easyPieChartUnits';
state.tmp.easyPieChartUnits.innerText = state.units_current;
state.tmp.easyPieChartUnits.style.fontSize = unitfontsize + 'px';
state.tmp.easyPieChartUnits.style.top = unittop.toString() + 'px';
state.element_chart.appendChild(state.tmp.easyPieChartUnits);
var barColor = NETDATA.dataAttribute(state.element, 'easypiechart-barcolor', undefined);
if(typeof barColor === 'undefined' || barColor === null)
barColor = state.chartCustomColors()[0];
else {
//
var tmp = eval(barColor);
if(typeof tmp === 'function')
barColor = tmp;
}
var pcent = NETDATA.easypiechartPercentFromValueMinMax(state, value, min, max);
chart.data('data-percent', pcent);
chart.easyPieChart({
barColor: barColor,
trackColor: NETDATA.dataAttribute(state.element, 'easypiechart-trackcolor', NETDATA.themes.current.easypiechart_track),
scaleColor: NETDATA.dataAttribute(state.element, 'easypiechart-scalecolor', NETDATA.themes.current.easypiechart_scale),
scaleLength: NETDATA.dataAttribute(state.element, 'easypiechart-scalelength', 5),
lineCap: NETDATA.dataAttribute(state.element, 'easypiechart-linecap', 'round'),
lineWidth: NETDATA.dataAttribute(state.element, 'easypiechart-linewidth', stroke),
trackWidth: NETDATA.dataAttribute(state.element, 'easypiechart-trackwidth', undefined),
size: NETDATA.dataAttribute(state.element, 'easypiechart-size', size),
rotate: NETDATA.dataAttribute(state.element, 'easypiechart-rotate', 0),
animate: NETDATA.dataAttribute(state.element, 'easypiechart-animate', {duration: 500, enabled: true}),
easing: NETDATA.dataAttribute(state.element, 'easypiechart-easing', undefined)
});
// when we just re-create the chart
// do not animate the first update
var animate = true;
if(typeof state.tmp.easyPieChart_instance !== 'undefined')
animate = false;
state.tmp.easyPieChart_instance = chart.data('easyPieChart');
if(animate === false) state.tmp.easyPieChart_instance.disableAnimation();
state.tmp.easyPieChart_instance.update(pcent);
if(animate === false) state.tmp.easyPieChart_instance.enableAnimation();
state.legendSetUnitsString = function(units) {
if(typeof state.tmp.easyPieChartUnits !== 'undefined' && state.tmp.units !== units) {
state.tmp.easyPieChartUnits.innerText = units;
state.tmp.units = units;
}
};
state.legendShowUndefined = function() {
if(typeof state.tmp.easyPieChart_instance !== 'undefined')
NETDATA.easypiechartClearSelection(state);
};
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// gauge.js
NETDATA.gaugeInitialize = function(callback) {
if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) {
$.ajax({
url: NETDATA.gauge_js,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js);
})
.fail(function() {
NETDATA.chartLibraries.gauge.enabled = false;
NETDATA.error(100, NETDATA.gauge_js);
})
.always(function() {
if(typeof callback === "function")
return callback();
})
}
else {
NETDATA.chartLibraries.gauge.enabled = false;
if(typeof callback === "function")
return callback();
}
};
NETDATA.gaugeAnimation = function(state, status) {
var speed = 32;
if(typeof status === 'boolean' && status === false)
speed = 1000000000;
else if(typeof status === 'number')
speed = status;
// console.log('gauge speed ' + speed);
state.tmp.gauge_instance.animationSpeed = speed;
state.tmp.___gaugeOld__.speed = speed;
};
NETDATA.gaugeSet = function(state, value, min, max) {
if(typeof value !== 'number') value = 0;
if(typeof min !== 'number') min = 0;
if(typeof max !== 'number') max = 0;
if(value > max) max = value;
if(value < min) min = value;
if(min > max) {
var t = min;
min = max;
max = t;
}
else if(min === max)
max = min + 1;
state.legendFormatValueDecimalsFromMinMax(min, max);
// gauge.js has an issue if the needle
// is smaller than min or larger than max
// when we set the new values
// the needle will go crazy
// to prevent it, we always feed it
// with a percentage, so that the needle
// is always between min and max
var pcent = (value - min) * 100 / (max - min);
// bug fix for gauge.js 1.3.1
// if the value is the absolute min or max, the chart is broken
if(pcent < 0.001) pcent = 0.001;
if(pcent > 99.999) pcent = 99.999;
state.tmp.gauge_instance.set(pcent);
// console.log('gauge set ' + pcent + ', value ' + value + ', min ' + min + ', max ' + max);
state.tmp.___gaugeOld__.value = value;
state.tmp.___gaugeOld__.min = min;
state.tmp.___gaugeOld__.max = max;
};
NETDATA.gaugeSetLabels = function(state, value, min, max) {
if(state.tmp.___gaugeOld__.valueLabel !== value) {
state.tmp.___gaugeOld__.valueLabel = value;
state.tmp.gaugeChartLabel.innerText = state.legendFormatValue(value);
}
if(state.tmp.___gaugeOld__.minLabel !== min) {
state.tmp.___gaugeOld__.minLabel = min;
state.tmp.gaugeChartMin.innerText = state.legendFormatValue(min);
}
if(state.tmp.___gaugeOld__.maxLabel !== max) {
state.tmp.___gaugeOld__.maxLabel = max;
state.tmp.gaugeChartMax.innerText = state.legendFormatValue(max);
}
};
NETDATA.gaugeClearSelection = function(state, force) {
if(typeof state.tmp.gaugeEvent !== 'undefined' && typeof state.tmp.gaugeEvent.timer !== 'undefined') {
NETDATA.timeout.clear(state.tmp.gaugeEvent.timer);
state.tmp.gaugeEvent.timer = undefined;
}
if(state.isAutoRefreshable() === true && state.data !== null && force !== true) {
NETDATA.gaugeChartUpdate(state, state.data);
}
else {
NETDATA.gaugeAnimation(state, false);
NETDATA.gaugeSetLabels(state, null, null, null);
NETDATA.gaugeSet(state, null, null, null);
}
NETDATA.gaugeAnimation(state, true);
return true;
};
NETDATA.gaugeSetSelection = function(state, t) {
if(state.timeIsVisible(t) !== true)
return NETDATA.gaugeClearSelection(state, true);
var slot = state.calculateRowForTime(t);
if(slot < 0 || slot >= state.data.result.length)
return NETDATA.gaugeClearSelection(state, true);
if(typeof state.tmp.gaugeEvent === 'undefined') {
state.tmp.gaugeEvent = {
timer: undefined,
value: 0,
min: 0,
max: 0
};
}
var value = state.data.result[state.data.result.length - 1 - slot];
var min = (state.tmp.gaugeMin === null)?NETDATA.commonMin.get(state):state.tmp.gaugeMin;
var max = (state.tmp.gaugeMax === null)?NETDATA.commonMax.get(state):state.tmp.gaugeMax;
// make sure it is zero based
// but only if it has not been set by the user
if(state.tmp.gaugeMin === null && min > 0) min = 0;
if(state.tmp.gaugeMax === null && max < 0) max = 0;
state.tmp.gaugeEvent.value = value;
state.tmp.gaugeEvent.min = min;
state.tmp.gaugeEvent.max = max;
NETDATA.gaugeSetLabels(state, value, min, max);
if(state.tmp.gaugeEvent.timer === undefined) {
NETDATA.gaugeAnimation(state, false);
state.tmp.gaugeEvent.timer = NETDATA.timeout.set(function() {
state.tmp.gaugeEvent.timer = undefined;
NETDATA.gaugeSet(state, state.tmp.gaugeEvent.value, state.tmp.gaugeEvent.min, state.tmp.gaugeEvent.max);
}, 0);
}
return true;
};
NETDATA.gaugeChartUpdate = function(state, data) {
var value, min, max;
if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshable() === false) {
NETDATA.gaugeSetLabels(state, null, null, null);
state.tmp.gauge_instance.set(0);
}
else {
value = data.result[0];
min = (state.tmp.gaugeMin === null)?NETDATA.commonMin.get(state):state.tmp.gaugeMin;
max = (state.tmp.gaugeMax === null)?NETDATA.commonMax.get(state):state.tmp.gaugeMax;
if(value < min) min = value;
if(value > max) max = value;
// make sure it is zero based
// but only if it has not been set by the user
if(state.tmp.gaugeMin === null && min > 0) min = 0;
if(state.tmp.gaugeMax === null && max < 0) max = 0;
NETDATA.gaugeSet(state, value, min, max);
NETDATA.gaugeSetLabels(state, value, min, max);
}
return true;
};
NETDATA.gaugeChartCreate = function(state, data) {
// var chart = $(state.element_chart);
var value = data.result[0];
var min = NETDATA.dataAttribute(state.element, 'gauge-min-value', null);
var max = NETDATA.dataAttribute(state.element, 'gauge-max-value', null);
// var adjust = NETDATA.dataAttribute(state.element, 'gauge-adjust', null);
var pointerColor = NETDATA.dataAttribute(state.element, 'gauge-pointer-color', NETDATA.themes.current.gauge_pointer);
var strokeColor = NETDATA.dataAttribute(state.element, 'gauge-stroke-color', NETDATA.themes.current.gauge_stroke);
var startColor = NETDATA.dataAttribute(state.element, 'gauge-start-color', state.chartCustomColors()[0]);
var stopColor = NETDATA.dataAttribute(state.element, 'gauge-stop-color', void 0);
var generateGradient = NETDATA.dataAttribute(state.element, 'gauge-generate-gradient', false);
if(min === null) {
min = NETDATA.commonMin.get(state);
state.tmp.gaugeMin = null;
}
else
state.tmp.gaugeMin = min;
if(max === null) {
max = NETDATA.commonMax.get(state);
state.tmp.gaugeMax = null;
}
else
state.tmp.gaugeMax = max;
// make sure it is zero based
// but only if it has not been set by the user
if(state.tmp.gaugeMin === null && min > 0) min = 0;
if(state.tmp.gaugeMax === null && max < 0) max = 0;
var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5;
// console.log('gauge width: ' + width.toString() + ', height: ' + height.toString());
//switch(adjust) {
// case 'width': width = height * ratio; break;
// case 'height':
// default: height = width / ratio; break;
//}
//state.element.style.width = width.toString() + 'px';
//state.element.style.height = height.toString() + 'px';
var lum_d = 0.05;
var options = {
lines: 12, // The number of lines to draw
angle: 0.14, // The span of the gauge arc
lineWidth: 0.57, // The line thickness
radiusScale: 1.0, // Relative radius
pointer: {
length: 0.85, // 0.9 The radius of the inner circle
strokeWidth: 0.045, // The rotation offset
color: pointerColor // Fill color
},
limitMax: true, // If false, the max value of the gauge will be updated if value surpass max
limitMin: true, // If true, the min value of the gauge will be fixed unless you set it manually
colorStart: startColor, // Colors
colorStop: stopColor, // just experiment with them
strokeColor: strokeColor, // to see which ones work best for you
generateGradient: (generateGradient === true),
gradientType: 0,
highDpiSupport: true // High resolution support
};
if (generateGradient.constructor === Array) {
// example options:
// data-gauge-generate-gradient="[0, 50, 100]"
// data-gauge-gradient-percent-color-0="#FFFFFF"
// data-gauge-gradient-percent-color-50="#999900"
// data-gauge-gradient-percent-color-100="#000000"
options.percentColors = [];
var len = generateGradient.length;
while(len--) {
var pcent = generateGradient[len];
var color = NETDATA.dataAttribute(state.element, 'gauge-gradient-percent-color-' + pcent.toString(), false);
if(color !== false) {
var a = [];
a[0] = pcent / 100;
a[1] = color;
options.percentColors.unshift(a);
}
}
if(options.percentColors.length === 0)
delete options.percentColors;
}
else if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) {
//noinspection PointlessArithmeticExpressionJS
options.percentColors = [
[0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))],
[0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))],
[0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))],
[0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))],
[0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))],
[0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))],
[0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))],
[0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))],
[0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))],
[0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))],
[1.0, NETDATA.colorLuminance(startColor, 0.0)]];
}
state.tmp.gauge_canvas = document.createElement('canvas');
state.tmp.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas';
state.tmp.gauge_canvas.className = 'gaugeChart';
state.tmp.gauge_canvas.width = width;
state.tmp.gauge_canvas.height = height;
state.element_chart.appendChild(state.tmp.gauge_canvas);
var valuefontsize = Math.floor(height / 5);
var valuetop = Math.round((height - valuefontsize) / 3.2);
state.tmp.gaugeChartLabel = document.createElement('span');
state.tmp.gaugeChartLabel.className = 'gaugeChartLabel';
state.tmp.gaugeChartLabel.style.fontSize = valuefontsize + 'px';
state.tmp.gaugeChartLabel.style.top = valuetop.toString() + 'px';
state.element_chart.appendChild(state.tmp.gaugeChartLabel);
var titlefontsize = Math.round(valuefontsize / 2.1);
var titletop = 0;
state.tmp.gaugeChartTitle = document.createElement('span');
state.tmp.gaugeChartTitle.className = 'gaugeChartTitle';
state.tmp.gaugeChartTitle.innerText = state.title;
state.tmp.gaugeChartTitle.style.fontSize = titlefontsize + 'px';
state.tmp.gaugeChartTitle.style.lineHeight = titlefontsize + 'px';
state.tmp.gaugeChartTitle.style.top = titletop.toString() + 'px';
state.element_chart.appendChild(state.tmp.gaugeChartTitle);
var unitfontsize = Math.round(titlefontsize * 0.9);
state.tmp.gaugeChartUnits = document.createElement('span');
state.tmp.gaugeChartUnits.className = 'gaugeChartUnits';
state.tmp.gaugeChartUnits.innerText = state.units_current;
state.tmp.gaugeChartUnits.style.fontSize = unitfontsize + 'px';
state.element_chart.appendChild(state.tmp.gaugeChartUnits);
state.tmp.gaugeChartMin = document.createElement('span');
state.tmp.gaugeChartMin.className = 'gaugeChartMin';
state.tmp.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
state.element_chart.appendChild(state.tmp.gaugeChartMin);
state.tmp.gaugeChartMax = document.createElement('span');
state.tmp.gaugeChartMax.className = 'gaugeChartMax';
state.tmp.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
state.element_chart.appendChild(state.tmp.gaugeChartMax);
// when we just re-create the chart
// do not animate the first update
var animate = true;
if(typeof state.tmp.gauge_instance !== 'undefined')
animate = false;
state.tmp.gauge_instance = new Gauge(state.tmp.gauge_canvas).setOptions(options); // create sexy gauge!
state.tmp.___gaugeOld__ = {
value: value,
min: min,
max: max,
valueLabel: null,
minLabel: null,
maxLabel: null
};
// we will always feed a percentage
state.tmp.gauge_instance.minValue = 0;
state.tmp.gauge_instance.maxValue = 100;
NETDATA.gaugeAnimation(state, animate);
NETDATA.gaugeSet(state, value, min, max);
NETDATA.gaugeSetLabels(state, value, min, max);
NETDATA.gaugeAnimation(state, true);
state.legendSetUnitsString = function(units) {
if(typeof state.tmp.gaugeChartUnits !== 'undefined' && state.tmp.units !== units) {
state.tmp.gaugeChartUnits.innerText = units;
state.tmp.___gaugeOld__.valueLabel = null;
state.tmp.___gaugeOld__.minLabel = null;
state.tmp.___gaugeOld__.maxLabel = null;
state.tmp.units = units;
}
};
state.legendShowUndefined = function() {
if(typeof state.tmp.gauge_instance !== 'undefined')
NETDATA.gaugeClearSelection(state);
};
return true;
};
// ----------------------------------------------------------------------------------------------------------------
// Charts Libraries Registration
NETDATA.chartLibraries = {
"dygraph": {
initialize: NETDATA.dygraphInitialize,
create: NETDATA.dygraphChartCreate,
update: NETDATA.dygraphChartUpdate,
resize: function(state) {
if(typeof state.tmp.dygraph_instance !== 'undefined' && typeof state.tmp.dygraph_instance.resize === 'function')
state.tmp.dygraph_instance.resize();
},
setSelection: NETDATA.dygraphSetSelection,
clearSelection: NETDATA.dygraphClearSelection,
toolboxPanAndZoom: NETDATA.dygraphToolboxPanAndZoom,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
format: function(state) { void(state); return 'json'; },
options: function(state) { return 'ms|flip' + (this.isLogScale(state)?'|abs':'').toString(); },
legend: function(state) {
return (this.isSparkline(state) === false && NETDATA.dataAttributeBoolean(state.element, 'legend', true) === true) ? 'right-side' : null;
},
autoresize: function(state) { void(state); return true; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return true; },
pixels_per_point: function(state) {
return (this.isSparkline(state) === false)?3:2;
},
isSparkline: function(state) {
if(typeof state.tmp.dygraph_sparkline === 'undefined') {
state.tmp.dygraph_sparkline = (this.theme(state) === 'sparkline');
}
return state.tmp.dygraph_sparkline;
},
isLogScale: function(state) {
if(typeof state.tmp.dygraph_logscale === 'undefined') {
state.tmp.dygraph_logscale = (this.theme(state) === 'logscale');
}
return state.tmp.dygraph_logscale;
},
theme: function(state) {
if(typeof state.tmp.dygraph_theme === 'undefined')
state.tmp.dygraph_theme = NETDATA.dataAttribute(state.element, 'dygraph-theme', 'default');
return state.tmp.dygraph_theme;
},
container_class: function(state) {
if(this.legend(state) !== null)
return 'netdata-container-with-legend';
return 'netdata-container';
}
},
"sparkline": {
initialize: NETDATA.sparklineInitialize,
create: NETDATA.sparklineChartCreate,
update: NETDATA.sparklineChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
format: function(state) { void(state); return 'array'; },
options: function(state) { void(state); return 'flip|abs'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 3; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"peity": {
initialize: NETDATA.peityInitialize,
create: NETDATA.peityChartCreate,
update: NETDATA.peityChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
format: function(state) { void(state); return 'ssvcomma'; },
options: function(state) { void(state); return 'null2zero|flip|abs'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 3; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"morris": {
initialize: NETDATA.morrisInitialize,
create: NETDATA.morrisChartCreate,
update: NETDATA.morrisChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
format: function(state) { void(state); return 'json'; },
options: function(state) { void(state); return 'objectrows|ms'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 50; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 15; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"google": {
initialize: NETDATA.googleInitialize,
create: NETDATA.googleChartCreate,
update: NETDATA.googleChartUpdate,
resize: null,
setSelection: undefined, //function(state, t) { void(state); return true; },
clearSelection: undefined, //function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.rows$'),
format: function(state) { void(state); return 'datatable'; },
options: function(state) { void(state); return ''; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 300; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 4; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"raphael": {
initialize: NETDATA.raphaelInitialize,
create: NETDATA.raphaelChartCreate,
update: NETDATA.raphaelChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
format: function(state) { void(state); return 'json'; },
options: function(state) { void(state); return ''; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 3; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"c3": {
initialize: NETDATA.c3Initialize,
create: NETDATA.c3ChartCreate,
update: NETDATA.c3ChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
format: function(state) { void(state); return 'csvjsonarray'; },
options: function(state) { void(state); return 'milliseconds'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 15; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"d3pie": {
initialize: NETDATA.d3pieInitialize,
create: NETDATA.d3pieChartCreate,
update: NETDATA.d3pieChartUpdate,
resize: null,
setSelection: NETDATA.d3pieSetSelection,
clearSelection: NETDATA.d3pieClearSelection,
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
format: function(state) { void(state); return 'json'; },
options: function(state) { void(state); return 'objectrows|ms'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 15; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"d3": {
initialize: NETDATA.d3Initialize,
create: NETDATA.d3ChartCreate,
update: NETDATA.d3ChartUpdate,
resize: null,
setSelection: undefined, // function(state, t) { void(state); return true; },
clearSelection: undefined, // function(state) { void(state); return true; },
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result.data$'),
format: function(state) { void(state); return 'json'; },
options: function(state) { void(state); return ''; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return false; },
pixels_per_point: function(state) { void(state); return 3; },
container_class: function(state) { void(state); return 'netdata-container'; }
},
"easypiechart": {
initialize: NETDATA.easypiechartInitialize,
create: NETDATA.easypiechartChartCreate,
update: NETDATA.easypiechartChartUpdate,
resize: null,
setSelection: NETDATA.easypiechartSetSelection,
clearSelection: NETDATA.easypiechartClearSelection,
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
format: function(state) { void(state); return 'array'; },
options: function(state) { void(state); return 'absolute'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return true; },
pixels_per_point: function(state) { void(state); return 3; },
aspect_ratio: 100,
container_class: function(state) { void(state); return 'netdata-container-easypiechart'; }
},
"gauge": {
initialize: NETDATA.gaugeInitialize,
create: NETDATA.gaugeChartCreate,
update: NETDATA.gaugeChartUpdate,
resize: null,
setSelection: NETDATA.gaugeSetSelection,
clearSelection: NETDATA.gaugeClearSelection,
toolboxPanAndZoom: null,
initialized: false,
enabled: true,
xssRegexIgnore: new RegExp('^/api/v1/data\.result$'),
format: function(state) { void(state); return 'array'; },
options: function(state) { void(state); return 'absolute'; },
legend: function(state) { void(state); return null; },
autoresize: function(state) { void(state); return false; },
max_updates_to_recreate: function(state) { void(state); return 5000; },
track_colors: function(state) { void(state); return true; },
pixels_per_point: function(state) { void(state); return 3; },
aspect_ratio: 60,
container_class: function(state) { void(state); return 'netdata-container-gauge'; }
}
};
NETDATA.registerChartLibrary = function(library, url) {
if(NETDATA.options.debug.libraries === true)
console.log("registering chart library: " + library);
NETDATA.chartLibraries[library].url = url;
NETDATA.chartLibraries[library].initialized = true;
NETDATA.chartLibraries[library].enabled = true;
};
// ----------------------------------------------------------------------------------------------------------------
// Load required JS libraries and CSS
NETDATA.requiredJs = [
{
url: NETDATA.serverStatic + 'lib/bootstrap-3.3.7.min.js',
async: false,
isAlreadyLoaded: function() {
// check if bootstrap is loaded
if(typeof $().emulateTransitionEnd === 'function')
return true;
else {
return (typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap === true);
}
}
},
{
url: NETDATA.serverStatic + 'lib/fontawesome-all-5.0.1.min.js',
async: true,
isAlreadyLoaded: function() { return false; }
},
{
url: NETDATA.serverStatic + 'lib/perfect-scrollbar-0.6.15.min.js',
isAlreadyLoaded: function() { return false; }
}
];
NETDATA.requiredCSS = [
{
url: NETDATA.themes.current.bootstrap_css,
isAlreadyLoaded: function() {
return (typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap === true);
}
},
{
url: NETDATA.themes.current.dashboard_css,
isAlreadyLoaded: function() { return false; }
}
];
NETDATA.loadedRequiredJs = 0;
NETDATA.loadRequiredJs = function(index, callback) {
if(index >= NETDATA.requiredJs.length) {
if(typeof callback === 'function')
return callback();
return;
}
if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
NETDATA.loadedRequiredJs++;
NETDATA.loadRequiredJs(++index, callback);
return;
}
if(NETDATA.options.debug.main_loop === true)
console.log('loading ' + NETDATA.requiredJs[index].url);
var async = true;
if(typeof NETDATA.requiredJs[index].async !== 'undefined' && NETDATA.requiredJs[index].async === false)
async = false;
$.ajax({
url: NETDATA.requiredJs[index].url,
cache: true,
dataType: "script",
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function() {
if(NETDATA.options.debug.main_loop === true)
console.log('loaded ' + NETDATA.requiredJs[index].url);
})
.fail(function() {
alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
})
.always(function() {
NETDATA.loadedRequiredJs++;
if(async === false)
NETDATA.loadRequiredJs(++index, callback);
});
if(async === true)
NETDATA.loadRequiredJs(++index, callback);
};
NETDATA.loadRequiredCSS = function(index) {
if(index >= NETDATA.requiredCSS.length)
return;
if(NETDATA.requiredCSS[index].isAlreadyLoaded()) {
NETDATA.loadRequiredCSS(++index);
return;
}
if(NETDATA.options.debug.main_loop === true)
console.log('loading ' + NETDATA.requiredCSS[index].url);
NETDATA._loadCSS(NETDATA.requiredCSS[index].url);
NETDATA.loadRequiredCSS(++index);
};
// ----------------------------------------------------------------------------------------------------------------
// Registry of netdata hosts
NETDATA.alarms = {
onclick: null, // the callback to handle the click - it will be called with the alarm log entry
chart_div_offset: -50, // give that space above the chart when scrolling to it
chart_div_id_prefix: 'chart_', // the chart DIV IDs have this prefix (they should be NETDATA.name2id(chart.id))
chart_div_animation_duration: 0,// the duration of the animation while scrolling to a chart
ms_penalty: 0, // the time penalty of the next alarm
ms_between_notifications: 500, // firefox moves the alarms off-screen (above, outside the top of the screen)
// if alarms are shown faster than: one per 500ms
update_every: 10000, // the time in ms between alarm checks
notifications: false, // when true, the browser supports notifications (may not be granted though)
last_notification_id: 0, // the id of the last alarm_log we have raised an alarm for
first_notification_id: 0, // the id of the first alarm_log entry for this session
// this is used to prevent CLEAR notifications for past events
// notifications_shown: [],
server: null, // the server to connect to for fetching alarms
current: null, // the list of raised alarms - updated in the background
// a callback function to call every time the list of raised alarms is refreshed
callback: (typeof netdataAlarmsActiveCallback === 'function')?netdataAlarmsActiveCallback:null,
// a callback function to call every time a notification is shown
// the return value is used to decide if the notification will be shown
notificationCallback: (typeof netdataAlarmsNotifCallback === 'function')?netdataAlarmsNotifCallback:null,
recipients: null, // the list (array) of recipients to show alarms for, or null
recipientMatches: function(to_string, wanted_array) {
if(typeof wanted_array === 'undefined' || wanted_array === null || Array.isArray(wanted_array) === false)
return true;
var r = ' ' + to_string.toString() + ' ';
var len = wanted_array.length;
while(len--) {
if(r.indexOf(' ' + wanted_array[len] + ' ') >= 0)
return true;
}
return false;
},
activeForRecipients: function() {
var active = {};
var data = NETDATA.alarms.current;
if(typeof data === 'undefined' || data === null)
return active;
for(var x in data.alarms) {
if(!data.alarms.hasOwnProperty(x)) continue;
var alarm = data.alarms[x];
if((alarm.status === 'WARNING' || alarm.status === 'CRITICAL') && NETDATA.alarms.recipientMatches(alarm.recipient, NETDATA.alarms.recipients))
active[x] = alarm;
}
return active;
},
notify: function(entry) {
// console.log('alarm ' + entry.unique_id);
if(entry.updated === true) {
// console.log('alarm ' + entry.unique_id + ' has been updated by another alarm');
return;
}
var value_string = entry.value_string;
if(NETDATA.alarms.current !== null) {
// get the current value_string
var t = NETDATA.alarms.current.alarms[entry.chart + '.' + entry.name];
if(typeof t !== 'undefined' && entry.status === t.status && typeof t.value_string !== 'undefined')
value_string = t.value_string;
}
var name = entry.name.replace(/_/g, ' ');
var status = entry.status.toLowerCase();
var title = name + ' = ' + value_string.toString();
var tag = entry.alarm_id;
var icon = 'images/seo-performance-128.png';
var interaction = false;
var data = entry;
var show = true;
// console.log('alarm ' + entry.unique_id + ' ' + entry.chart + '.' + entry.name + ' is ' + entry.status);
switch(entry.status) {
case 'REMOVED':
show = false;
break;
case 'UNDEFINED':
return;
case 'UNINITIALIZED':
return;
case 'CLEAR':
if(entry.unique_id < NETDATA.alarms.first_notification_id) {
// console.log('alarm ' + entry.unique_id + ' is not current');
return;
}
if(entry.old_status === 'UNINITIALIZED' || entry.old_status === 'UNDEFINED') {
// console.log('alarm' + entry.unique_id + ' switch to CLEAR from ' + entry.old_status);
return;
}
if(entry.no_clear_notification === true) {
// console.log('alarm' + entry.unique_id + ' is CLEAR but has no_clear_notification flag');
return;
}
title = name + ' back to normal (' + value_string.toString() + ')';
icon = 'images/check-mark-2-128-green.png';
interaction = false;
break;
case 'WARNING':
if(entry.old_status === 'CRITICAL')
status = 'demoted to ' + entry.status.toLowerCase();
icon = 'images/alert-128-orange.png';
interaction = false;
break;
case 'CRITICAL':
if(entry.old_status === 'WARNING')
status = 'escalated to ' + entry.status.toLowerCase();
icon = 'images/alert-128-red.png';
interaction = true;
break;
default:
console.log('invalid alarm status ' + entry.status);
return;
}
// filter recipients
if(show === true)
show = NETDATA.alarms.recipientMatches(entry.recipient, NETDATA.alarms.recipients);
/*
// cleanup old notifications with the same alarm_id as this one
// FIXME: it does not seem to work on any web browser!
var len = NETDATA.alarms.notifications_shown.length;
while(len--) {
var n = NETDATA.alarms.notifications_shown[len];
if(n.data.alarm_id === entry.alarm_id) {
console.log('removing old alarm ' + n.data.unique_id);
// close the notification
n.close.bind(n);
// remove it from the array
NETDATA.alarms.notifications_shown.splice(len, 1);
len = NETDATA.alarms.notifications_shown.length;
}
}
*/
if(show === true) {
if(typeof NETDATA.alarms.notificationCallback === 'function')
show = NETDATA.alarms.notificationCallback(entry);
if(show === true) {
setTimeout(function() {
// show this notification
// console.log('new notification: ' + title);
var n = new Notification(title, {
body: entry.hostname + ' - ' + entry.chart + ' (' + entry.family + ') - ' + status + ': ' + entry.info,
tag: tag,
requireInteraction: interaction,
icon: NETDATA.serverStatic + icon,
data: data
});
n.onclick = function(event) {
event.preventDefault();
NETDATA.alarms.onclick(event.target.data);
};
// console.log(n);
// NETDATA.alarms.notifications_shown.push(n);
// console.log(entry);
}, NETDATA.alarms.ms_penalty);
NETDATA.alarms.ms_penalty += NETDATA.alarms.ms_between_notifications;
}
}
},
scrollToChart: function(chart_id) {
if(typeof chart_id === 'string') {
var offset = $('#' + NETDATA.alarms.chart_div_id_prefix + NETDATA.name2id(chart_id)).offset();
if(typeof offset !== 'undefined') {
$('html, body').animate({ scrollTop: offset.top + NETDATA.alarms.chart_div_offset }, NETDATA.alarms.chart_div_animation_duration);
return true;
}
}
return false;
},
scrollToAlarm: function(alarm) {
if(typeof alarm === 'object') {
var ret = NETDATA.alarms.scrollToChart(alarm.chart);
if(ret === true && NETDATA.options.page_is_visible === false)
window.focus();
// alert('netdata dashboard will now scroll to chart: ' + alarm.chart + '\n\nThis alarm opened to bring the browser window in front of the screen. Click on the dashboard to prevent it from appearing again.');
}
},
notifyAll: function() {
// console.log('FETCHING ALARM LOG');
NETDATA.alarms.get_log(NETDATA.alarms.last_notification_id, function(data) {
// console.log('ALARM LOG FETCHED');
if(data === null || typeof data !== 'object') {
console.log('invalid alarms log response');
return;
}
if(data.length === 0) {
console.log('received empty alarm log');
return;
}
// console.log('received alarm log of ' + data.length + ' entries, from ' + data[data.length - 1].unique_id.toString() + ' to ' + data[0].unique_id.toString());
data.sort(function(a, b) {
if(a.unique_id > b.unique_id) return -1;
if(a.unique_id < b.unique_id) return 1;
return 0;
});
NETDATA.alarms.ms_penalty = 0;
var len = data.length;
while(len--) {
if(data[len].unique_id > NETDATA.alarms.last_notification_id) {
NETDATA.alarms.notify(data[len]);
}
//else
// console.log('ignoring alarm (older) with id ' + data[len].unique_id.toString());
}
NETDATA.alarms.last_notification_id = data[0].unique_id;
if(typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember === true)
NETDATA.localStorageSet('last_notification_id', NETDATA.alarms.last_notification_id, null);
// console.log('last notification id = ' + NETDATA.alarms.last_notification_id);
})
},
check_notifications: function() {
// returns true if we should fire 1+ notifications
if(NETDATA.alarms.notifications !== true) {
// console.log('web notifications are not available');
return false;
}
if(Notification.permission !== 'granted') {
// console.log('web notifications are not granted');
return false;
}
if(typeof NETDATA.alarms.current !== 'undefined' && typeof NETDATA.alarms.current.alarms === 'object') {
// console.log('can do alarms: old id = ' + NETDATA.alarms.last_notification_id + ' new id = ' + NETDATA.alarms.current.latest_alarm_log_unique_id);
if(NETDATA.alarms.current.latest_alarm_log_unique_id > NETDATA.alarms.last_notification_id) {
// console.log('new alarms detected');
return true;
}
//else console.log('no new alarms');
}
// else console.log('cannot process alarms');
return false;
},
get: function(what, callback) {
$.ajax({
url: NETDATA.alarms.server + '/api/v1/alarms?' + what.toString(),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkOptional('/api/v1/alarms', data /*, '.*\.(calc|calc_parsed|warn|warn_parsed|crit|crit_parsed)$' */);
if(NETDATA.alarms.first_notification_id === 0 && typeof data.latest_alarm_log_unique_id === 'number')
NETDATA.alarms.first_notification_id = data.latest_alarm_log_unique_id;
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(415, NETDATA.alarms.server);
if(typeof callback === 'function')
return callback(null);
});
},
update_forever: function() {
if(netdataShowAlarms !== true || netdataSnapshotData !== null)
return;
NETDATA.alarms.get('active', function(data) {
if(data !== null) {
NETDATA.alarms.current = data;
if(NETDATA.alarms.check_notifications() === true) {
NETDATA.alarms.notifyAll();
}
if (typeof NETDATA.alarms.callback === 'function') {
NETDATA.alarms.callback(data);
}
// Health monitoring is disabled on this netdata
if(data.status === false) return;
}
setTimeout(NETDATA.alarms.update_forever, NETDATA.alarms.update_every);
});
},
get_log: function(last_id, callback) {
// console.log('fetching all log after ' + last_id.toString());
$.ajax({
url: NETDATA.alarms.server + '/api/v1/alarm_log?after=' + last_id.toString(),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkOptional('/api/v1/alarm_log', data);
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(416, NETDATA.alarms.server);
if(typeof callback === 'function')
return callback(null);
});
},
init: function() {
NETDATA.alarms.server = NETDATA.fixHost(NETDATA.serverDefault);
if(typeof netdataAlarmsRemember === 'undefined' || netdataAlarmsRemember === true) {
NETDATA.alarms.last_notification_id =
NETDATA.localStorageGet('last_notification_id', NETDATA.alarms.last_notification_id, null);
}
if(NETDATA.alarms.onclick === null)
NETDATA.alarms.onclick = NETDATA.alarms.scrollToAlarm;
if(typeof netdataAlarmsRecipients !== 'undefined' && Array.isArray(netdataAlarmsRecipients))
NETDATA.alarms.recipients = netdataAlarmsRecipients;
if(netdataShowAlarms === true) {
NETDATA.alarms.update_forever();
if('Notification' in window) {
// console.log('notifications available');
NETDATA.alarms.notifications = true;
if(Notification.permission === 'default')
Notification.requestPermission();
}
}
}
};
// ----------------------------------------------------------------------------------------------------------------
// Registry of netdata hosts
NETDATA.registry = {
server: null, // the netdata registry server
person_guid: null, // the unique ID of this browser / user
machine_guid: null, // the unique ID the netdata server that served dashboard.js
hostname: 'unknown', // the hostname of the netdata server that served dashboard.js
machines: null, // the user's other URLs
machines_array: null, // the user's other URLs in an array
person_urls: null,
parsePersonUrls: function(person_urls) {
// console.log(person_urls);
NETDATA.registry.person_urls = person_urls;
if(person_urls) {
NETDATA.registry.machines = {};
NETDATA.registry.machines_array = [];
var apu = person_urls;
var i = apu.length;
while(i--) {
if(typeof NETDATA.registry.machines[apu[i][0]] === 'undefined') {
// console.log('adding: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
var obj = {
guid: apu[i][0],
url: apu[i][1],
last_t: apu[i][2],
accesses: apu[i][3],
name: apu[i][4],
alternate_urls: []
};
obj.alternate_urls.push(apu[i][1]);
NETDATA.registry.machines[apu[i][0]] = obj;
NETDATA.registry.machines_array.push(obj);
}
else {
// console.log('appending: ' + apu[i][4] + ', ' + ((now - apu[i][2]) / 1000).toString());
var pu = NETDATA.registry.machines[apu[i][0]];
if(pu.last_t < apu[i][2]) {
pu.url = apu[i][1];
pu.last_t = apu[i][2];
pu.name = apu[i][4];
}
pu.accesses += apu[i][3];
pu.alternate_urls.push(apu[i][1]);
}
}
}
if(typeof netdataRegistryCallback === 'function')
netdataRegistryCallback(NETDATA.registry.machines_array);
},
init: function() {
if(netdataRegistry !== true) return;
NETDATA.registry.hello(NETDATA.serverDefault, function(data) {
if(data) {
NETDATA.registry.server = data.registry;
NETDATA.registry.machine_guid = data.machine_guid;
NETDATA.registry.hostname = data.hostname;
NETDATA.registry.access(2, function (person_urls) {
NETDATA.registry.parsePersonUrls(person_urls);
});
}
});
},
hello: function(host, callback) {
host = NETDATA.fixHost(host);
// send HELLO to a netdata server:
// 1. verifies the server is reachable
// 2. responds with the registry URL, the machine GUID of this netdata server and its hostname
$.ajax({
url: host + '/api/v1/registry?action=hello',
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkOptional('/api/v1/registry?action=hello', data);
if(typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(408, host + ' response: ' + JSON.stringify(data));
data = null;
}
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(407, host);
if(typeof callback === 'function')
return callback(null);
});
},
access: function(max_redirects, callback) {
// send ACCESS to a netdata registry:
// 1. it lets it know we are accessing a netdata server (its machine GUID and its URL)
// 2. it responds with a list of netdata servers we know
// the registry identifies us using a cookie it sets the first time we access it
// the registry may respond with a redirect URL to send us to another registry
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=access&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault), // + '&visible_url=' + encodeURIComponent(document.location),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=access', data);
var redirect = null;
if(typeof data.registry === 'string')
redirect = data.registry;
if(typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(409, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if(data === null) {
if(redirect !== null && max_redirects > 0) {
NETDATA.registry.server = redirect;
NETDATA.registry.access(max_redirects - 1, callback);
}
else {
if(typeof callback === 'function')
return callback(null);
}
}
else {
if(typeof data.person_guid === 'string')
NETDATA.registry.person_guid = data.person_guid;
if(typeof callback === 'function')
return callback(data.urls);
}
})
.fail(function() {
NETDATA.error(410, NETDATA.registry.server);
if(typeof callback === 'function')
return callback(null);
});
},
delete: function(delete_url, callback) {
// send DELETE to a netdata registry:
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=delete&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&delete_url=' + encodeURIComponent(delete_url),
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=delete', data);
if(typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(411, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(412, NETDATA.registry.server);
if(typeof callback === 'function')
return callback(null);
});
},
search: function(machine_guid, callback) {
// SEARCH for the URLs of a machine:
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=search&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&for=' + machine_guid,
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=search', data);
if(typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(417, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(418, NETDATA.registry.server);
if(typeof callback === 'function')
return callback(null);
});
},
switch: function(new_person_guid, callback) {
// impersonate
$.ajax({
url: NETDATA.registry.server + '/api/v1/registry?action=switch&machine=' + NETDATA.registry.machine_guid + '&name=' + encodeURIComponent(NETDATA.registry.hostname) + '&url=' + encodeURIComponent(NETDATA.serverDefault) + '&to=' + new_person_guid,
async: true,
cache: false,
headers: {
'Cache-Control': 'no-cache, no-store',
'Pragma': 'no-cache'
},
xhrFields: { withCredentials: true } // required for the cookie
})
.done(function(data) {
data = NETDATA.xss.checkAlways('/api/v1/registry?action=switch', data);
if(typeof data.status !== 'string' || data.status !== 'ok') {
NETDATA.error(413, NETDATA.registry.server + ' responded with: ' + JSON.stringify(data));
data = null;
}
if(typeof callback === 'function')
return callback(data);
})
.fail(function() {
NETDATA.error(414, NETDATA.registry.server);
if(typeof callback === 'function')
return callback(null);
});
}
};
// ----------------------------------------------------------------------------------------------------------------
// Boot it!
if(typeof netdataPrepCallback === 'function')
netdataPrepCallback();
NETDATA.errorReset();
NETDATA.loadRequiredCSS(0);
NETDATA._loadjQuery(function() {
NETDATA.loadRequiredJs(0, function() {
if(typeof $().emulateTransitionEnd !== 'function') {
// bootstrap is not available
NETDATA.options.current.show_help = false;
}
if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
if(NETDATA.options.debug.main_loop === true)
console.log('starting chart refresh thread');
NETDATA.start();
}
});
});
})(window, document, (typeof jQuery === 'function')?jQuery:undefined);