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authorFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
committerFederico Ceratto <federico.ceratto@gmail.com>2016-03-30 21:40:42 +0000
commit9ce153ce7167c11adba8ac225edc7a707e97c6eb (patch)
tree9f6e849cce2dcc7e5b4e9e6252c843dc2d0787a2 /web/dashboard.js
downloadnetdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.tar.xz
netdata-9ce153ce7167c11adba8ac225edc7a707e97c6eb.zip
Imported Upstream version 1.0.0upstream/1.0.0
Diffstat (limited to 'web/dashboard.js')
-rwxr-xr-xweb/dashboard.js5173
1 files changed, 5173 insertions, 0 deletions
diff --git a/web/dashboard.js b/web/dashboard.js
new file mode 100755
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--- /dev/null
+++ b/web/dashboard.js
@@ -0,0 +1,5173 @@
+// You can set the following variables before loading this script:
+//
+// var netdataNoDygraphs = true; // do not use dygraph
+// var netdataNoSparklines = true; // do not use sparkline
+// var netdataNoPeitys = true; // do not use peity
+// var netdataNoGoogleCharts = true; // do not use google
+// var netdataNoMorris = true; // do not use morris
+// var netdataNoEasyPieChart = true; // do not use easy pie chart
+// var netdataNoGauge = true; // do not use gauge.js
+// var netdataNoD3 = true; // do not use D3
+// var netdataNoC3 = true; // do not use C3
+// var netdataNoBootstrap = true; // do not load bootstrap
+// var netdataDontStart = true; // do not start the thread to process the charts
+//
+// You can also set the default netdata server, using the following.
+// When this variable is not set, we assume the page is hosted on your
+// netdata server already.
+// var netdataServer = "http://yourhost:19999"; // set your NetData server
+
+//(function(window, document, undefined) {
+ // fix IE issue with console
+ if(!window.console){ window.console = {log: function(){} }; }
+
+ // global namespace
+ var NETDATA = window.NETDATA || {};
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // 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();
+ NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, "");
+ }
+
+ if(NETDATA.serverDefault === null)
+ NETDATA.serverDefault = '';
+ else if(NETDATA.serverDefault.slice(-1) !== '/')
+ 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.serverDefault + 'lib/jquery-1.12.0.min.js';
+ NETDATA.peity_js = NETDATA.serverDefault + 'lib/jquery.peity.min.js';
+ NETDATA.sparkline_js = NETDATA.serverDefault + 'lib/jquery.sparkline.min.js';
+ NETDATA.easypiechart_js = NETDATA.serverDefault + 'lib/jquery.easypiechart.min.js';
+ NETDATA.gauge_js = NETDATA.serverDefault + 'lib/gauge.min.js';
+ NETDATA.dygraph_js = NETDATA.serverDefault + 'lib/dygraph-combined.js';
+ NETDATA.dygraph_smooth_js = NETDATA.serverDefault + 'lib/dygraph-smooth-plotter.js';
+ NETDATA.raphael_js = NETDATA.serverDefault + 'lib/raphael-min.js';
+ NETDATA.morris_js = NETDATA.serverDefault + 'lib/morris.min.js';
+ NETDATA.d3_js = NETDATA.serverDefault + 'lib/d3.min.js';
+ NETDATA.c3_js = NETDATA.serverDefault + 'lib/c3.min.js';
+ NETDATA.c3_css = NETDATA.serverDefault + 'css/c3.min.css';
+ NETDATA.morris_css = NETDATA.serverDefault + 'css/morris.css';
+ NETDATA.google_js = 'https://www.google.com/jsapi';
+
+ NETDATA.themes = {
+ default: {
+ bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.min.css',
+ dashboard_css: NETDATA.serverDefault + 'dashboard.css',
+ background: '#FFFFFF',
+ foreground: '#000000',
+ grid: '#DDDDDD',
+ axis: '#CCCCCC',
+ 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: true
+ },
+ slate: {
+ bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.slate.min.css',
+ dashboard_css: NETDATA.serverDefault + 'dashboard.slate.css',
+ background: '#272b30',
+ foreground: '#C8C8C8',
+ grid: '#373b40',
+ axis: '#373b40',
+/* 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',
+ '#3B3EAC', '#EE9911', '#BB44CC', '#C83E3E', '#990099', '#CC7700',
+ '#22AA99', '#109618', '#6633CC', '#DD4477', '#316395', '#8B0707',
+ '#329262', '#3B3EFF' ],
+ easypiechart_track: '#373b40',
+ easypiechart_scale: '#373b40',
+ gauge_pointer: '#474b50',
+ gauge_stroke: '#373b40',
+ gauge_gradient: false
+ }
+ };
+
+ if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined')
+ NETDATA.themes.current = NETDATA.themes[netdataTheme];
+ else
+ NETDATA.themes.current = NETDATA.themes.default;
+
+ 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' ];
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // the defaults for all charts
+
+ // if the user does not specify any of these, the following will be used
+
+ NETDATA.chartDefaults = {
+ host: NETDATA.serverDefault, // the server to get data from
+ 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 solit 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: null, // 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 continiously.
+ // 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 internaly, 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
+
+ last_resized: new Date().getTime(), // the timestamp of the last resize request
+
+ crossDomainAjax: false, // enable this to request crossDomain AJAX
+
+ last_page_scroll: 0, // the timestamp the last time the page was scrolled
+
+ // the current profile
+ // we may have many...
+ current: {
+ pixels_per_point: 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 continously until this time of continious
+ // 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: 1000, // ms - when you pan or zoon a chart, the background
+ // autorefreshing of charts is paused for this amount
+ // of time
+
+ sync_selection_delay: 1500, // 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
+
+ parallel_refresher: true, // enable parallel refresh of charts
+
+ concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts
+
+ destroy_on_hide: false, // destroy charts when they are not visible
+
+ 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: true, // enable smooth plot, where possible
+
+ charts_selection_animation_delay: 50, // delay to animate charts when syncing selection
+
+ color_fill_opacity_line: 1.0,
+ color_fill_opacity_area: 0.2,
+ color_fill_opacity_stacked: 0.8,
+
+ setOptionCallback: function() { ; }
+ },
+
+ debug: {
+ show_boxes: false,
+ main_loop: false,
+ focus: false,
+ visibility: false,
+ chart_data_url: false,
+ chart_errors: false, // FIXME
+ chart_timing: false,
+ chart_calls: false,
+ libraries: false,
+ dygraph: false
+ }
+ }
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // local storage options
+
+ NETDATA.localStorage = {
+ default: {},
+ current: {},
+ callback: {} // only used for resetting back to defaults
+ };
+
+ 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(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+ try {
+ // console.log('localStorage: loading "' + key.toString() + '"');
+ ret = localStorage.getItem(key.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(typeof Storage !== "undefined" && typeof localStorage === 'object') {
+ // 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) {
+ for(var i in obj) {
+ 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() {
+ for(var i in NETDATA.localStorage.default) {
+ 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]);
+ }
+ }
+ }
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('welcome to NETDATA');
+
+ NETDATA.onresize = function() {
+ NETDATA.options.last_resized = new Date().getTime();
+ NETDATA.onscroll();
+ };
+
+ NETDATA.onscroll = function() {
+ // console.log('onscroll');
+
+ NETDATA.options.last_page_scroll = new Date().getTime();
+ if(NETDATA.options.targets === null) return;
+
+ // 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
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) targets[len].isVisible();
+ };
+
+ 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 }
+ };
+ NETDATA.errorLast = {
+ code: 0,
+ message: "",
+ datetime: 0
+ };
+
+ NETDATA.error = function(code, msg) {
+ NETDATA.errorLast.code = code;
+ NETDATA.errorLast.message = msg;
+ NETDATA.errorLast.datetime = new Date().getTime();
+
+ console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg);
+
+ if(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;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // 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.chartRegistry = {
+ charts: {},
+
+ fixid: function(id) {
+ return id.replace(/:/g, "_").replace(/\//g, "_");
+ },
+
+ add: function(host, id, data) {
+ host = this.fixid(host);
+ id = this.fixid(id);
+
+ if(typeof this.charts[host] === 'undefined')
+ this.charts[host] = {};
+
+ //console.log('added ' + host + '/' + id);
+ this.charts[host][id] = data;
+ },
+
+ get: function(host, id) {
+ host = this.fixid(host);
+ id = this.fixid(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) {
+ while(host.slice(-1) === '/')
+ host = host.substring(0, host.length - 1);
+
+ var self = this;
+
+ $.ajax({
+ url: host + '/api/v1/charts',
+ crossDomain: NETDATA.options.crossDomainAjax,
+ async: true,
+ cache: false
+ })
+ .done(function(data) {
+ var h = NETDATA.chartRegistry.fixid(host);
+ //console.log('downloaded all charts from ' + host + ' (' + h + ')');
+ self.charts[h] = data.charts;
+ if(typeof callback === 'function')
+ callback(data);
+ })
+ .fail(function() {
+ 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 syncronized
+ // to this timerange
+
+ 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,
+
+ // set a new master
+ setMaster: function(state, after, before) {
+ if(NETDATA.options.current.sync_pan_and_zoom === false)
+ return;
+
+ if(this.master !== null && this.master !== state)
+ this.master.resetChart(true, true);
+
+ var now = new Date().getTime();
+ this.master = state;
+ this.seq = now;
+ this.force_after_ms = after;
+ this.force_before_ms = before;
+ NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.global_pan_sync_time;
+ },
+
+ // clear the master
+ clearMaster: function() {
+ 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;
+ },
+
+ // is the given state the master of the global
+ // pan and zoom sync?
+ isMaster: function(state) {
+ if(this.master === state) return true;
+ return false;
+ },
+
+ // are we currently have a global pan and zoom sync?
+ isActive: function() {
+ if(this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0) return true;
+ return false;
+ },
+
+ // 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;
+
+ if(state.tm.pan_and_zoom_seq === this.seq)
+ return false;
+
+ return true;
+ }
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // dimensions selection
+
+ // FIXME
+ // move color assignment to dimensions, here
+
+ 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;
+
+ if(parent.selected === parent.unselected)
+ this.selected = true;
+ else
+ this.selected = false;
+
+ 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.color = this.color;
+ 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.color = this.color;
+ 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);
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ 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() {
+ for(var d in this.dimensions)
+ this.dimensions[d].invalidate();
+ }
+
+ dimensionsVisibility.prototype.selectAll = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].select();
+ }
+
+ dimensionsVisibility.prototype.countSelected = function() {
+ var i = 0;
+ for(var d in this.dimensions)
+ if(this.dimensions[d].isSelected()) i++;
+
+ return i;
+ }
+
+ dimensionsVisibility.prototype.selectNone = function() {
+ for(var d in this.dimensions)
+ this.dimensions[d].unselect();
+ }
+
+ dimensionsVisibility.prototype.selected2BooleanArray = function(array) {
+ var ret = new Array();
+ this.selected_count = 0;
+ this.unselected_count = 0;
+
+ for(var i = 0, len = array.length; i < len ; i++) {
+ var ds = this.dimensions[array[i]];
+ if(typeof ds === 'undefined') {
+ // console.log(array[i] + ' is not found');
+ ret.push(false);
+ continue;
+ }
+
+ if(ds.isSelected()) {
+ ret.push(true);
+ this.selected_count++;
+ }
+ else {
+ ret.push(false);
+ this.unselected_count++;
+ }
+ }
+
+ if(this.selected_count === 0 && this.unselected_count !== 0) {
+ this.selectAll();
+ return this.selected2BooleanArray(array);
+ }
+
+ return ret;
+ }
+
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
+
+ NETDATA.globalSelectionSync = {
+ state: null,
+ dont_sync_before: 0,
+ last_t: 0,
+ slaves: [],
+
+ stop: function() {
+ if(this.state !== null)
+ this.state.globalSelectionSyncStop();
+ },
+
+ delay: function() {
+ if(this.state !== null) {
+ this.state.globalSelectionSyncDelay();
+ }
+ }
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Our state object, where all per-chart values are stored
+
+ chartState = function(element) {
+ var self = $(element);
+ this.element = element;
+
+ // IMPORTANT:
+ // all private functions should use 'that', instead of 'this'
+ var that = this;
+
+ /* error() - private
+ * show an error instead of the chart
+ */
+ var error = function(msg) {
+ that.element.innerHTML = that.id + ': ' + msg;
+ that.enabled = false;
+ that.current = that.pan;
+ }
+
+ // GUID - a unique identifier for the chart
+ this.uuid = NETDATA.guid();
+
+ // string - the name of chart
+ this.id = self.data('netdata');
+
+ // string - the key for localStorage settings
+ this.settings_id = self.data('id') || null;
+
+ // the user given dimensions of the element
+ this.width = self.data('width') || NETDATA.chartDefaults.width;
+ this.height = self.data('height') || NETDATA.chartDefaults.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);
+ });
+ }
+
+ // string - the netdata server URL, without any path
+ this.host = self.data('host') || NETDATA.chartDefaults.host;
+
+ // make sure the host does not end with /
+ // all netdata API requests use absolute paths
+ while(this.host.slice(-1) === '/')
+ this.host = this.host.substring(0, this.host.length - 1);
+
+ // string - the grouping method requested by the user
+ this.method = self.data('method') || NETDATA.chartDefaults.method;
+
+ // the time-range requested by the user
+ this.after = self.data('after') || NETDATA.chartDefaults.after;
+ this.before = self.data('before') || NETDATA.chartDefaults.before;
+
+ // the pixels per point requested by the user
+ this.pixels_per_point = self.data('pixels-per-point') || 1;
+ this.points = self.data('points') || null;
+
+ // the dimensions requested by the user
+ this.dimensions = self.data('dimensions') || null;
+
+ // the chart library requested by the user
+ this.library_name = self.data('chart-library') || NETDATA.chartDefaults.library;
+
+ // object - the chart library used
+ this.library = null;
+
+ // color management
+ this.colors = null;
+ this.colors_assigned = {};
+ this.colors_available = null;
+
+ // the element already created by the user
+ this.element_message = null;
+
+ // the element with the chart
+ this.element_chart = null;
+
+ // the element with the legend of the chart (if created by us)
+ this.element_legend = null;
+ this.element_legend_childs = {
+ hidden: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: null,
+ series: null
+ };
+
+ this.chart_url = null; // string - the url to download chart info
+ this.chart = null; // object - the chart as downloaded from the server
+
+ this.title = self.data('title') || null; // the title of the chart
+ this.units = self.data('units') || null; // the units of the chart dimensions
+ this.append_options = self.data('append-options') || null; // the units of the chart dimensions
+
+ this.validated = false; // boolean - has the chart been validated?
+ this.enabled = true; // boolean - is the chart enabled for refresh?
+ this.paused = false; // boolean - is the chart paused for any reason?
+ this.selected = false; // boolean - is the chart shown a selection?
+ this.debug = false; // boolean - console.log() debug info about this chart
+
+ this.netdata_first = 0; // milliseconds - the first timestamp in netdata
+ this.netdata_last = 0; // milliseconds - the last timestamp in netdata
+ this.requested_after = null; // milliseconds - the timestamp of the request after param
+ this.requested_before = null; // milliseconds - the timestamp of the request before param
+ this.requested_padding = null;
+ this.view_after = 0;
+ this.view_before = 0;
+
+ 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;
+
+ // 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[that.library_name] === 'undefined') {
+ NETDATA.error(402, that.library_name);
+ error('chart library "' + that.library_name + '" is not found');
+ return;
+ }
+ else if(NETDATA.chartLibraries[that.library_name].enabled === false) {
+ NETDATA.error(403, that.library_name);
+ error('chart library "' + that.library_name + '" is not enabled');
+ return;
+ }
+ else
+ that.library = NETDATA.chartLibraries[that.library_name];
+
+ // milliseconds - the time the last refresh took
+ this.refresh_dt_ms = 0;
+
+ // if we need to report the rendering speed
+ // find the element that needs to be updated
+ var refresh_dt_element_name = self.data('dt-element-name') || null; // string - the element to print refresh_dt_ms
+
+ if(refresh_dt_element_name !== null)
+ this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null;
+ else
+ this.refresh_dt_element = null;
+
+ this.dimensions_visibility = new dimensionsVisibility(this);
+
+ this._updating = false;
+
+ // ============================================================================================================
+ // PRIVATE FUNCTIONS
+
+ var createDOM = function() {
+ if(that.enabled === false) return;
+
+ if(that.element_message !== null) that.element_message.innerHTML = '';
+ if(that.element_legend !== null) that.element_legend.innerHTML = '';
+ if(that.element_chart !== null) that.element_chart.innerHTML = '';
+
+ that.element.innerHTML = '';
+
+ that.element_message = document.createElement('div');
+ that.element_message.className = ' netdata-message hidden';
+ that.element.appendChild(that.element_message);
+
+ that.element_chart = document.createElement('div');
+ that.element_chart.id = that.library_name + '-' + that.uuid + '-chart';
+ that.element.appendChild(that.element_chart);
+
+ if(that.hasLegend() === true) {
+ that.element.className = "netdata-container-with-legend";
+ that.element_chart.className = 'netdata-chart-with-legend-right netdata-' + that.library_name + '-chart-with-legend-right';
+
+ that.element_legend = document.createElement('div');
+ that.element_legend.className = 'netdata-chart-legend netdata-' + that.library_name + '-legend';
+ that.element.appendChild(that.element_legend);
+ }
+ else {
+ that.element.className = "netdata-container";
+ that.element_chart.className = ' netdata-chart netdata-' + that.library_name + '-chart';
+
+ that.element_legend = null;
+ }
+ that.element_legend_childs.series = null;
+
+ if(typeof(that.width) === 'string')
+ $(that.element).css('width', that.width);
+ else if(typeof(that.width) === 'number')
+ $(that.element).css('width', that.width + 'px');
+
+ if(typeof(that.library.aspect_ratio) === 'undefined') {
+ if(typeof(that.height) === 'string')
+ $(that.element).css('height', that.height);
+ else if(typeof(that.height) === 'number')
+ $(that.element).css('height', that.height + 'px');
+ }
+ else {
+ var w = that.element.offsetWidth;
+ if(w === null || w === 0) {
+ // the div is hidden
+ // this is resize the chart when next viewed
+ that.tm.last_resized = 0;
+ }
+ else
+ $(that.element).css('height', (that.element.offsetWidth * that.library.aspect_ratio / 100).toString() + 'px');
+ }
+
+ if(NETDATA.chartDefaults.min_width !== null)
+ $(that.element).css('min-width', NETDATA.chartDefaults.min_width);
+
+ that.tm.last_dom_created = new Date().getTime();
+
+ showLoading();
+ }
+
+ /* init() private
+ * initialize state viariables
+ * destroy all (possibly) created state elements
+ * create the basic DOM for a chart
+ */
+ var init = function() {
+ if(that.enabled === false) return;
+
+ that.paused = false;
+ that.selected = false;
+
+ that.chart_created = false; // boolean - is the library.create() been called?
+ 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.tm.last_initialized = new Date().getTime();
+ createDOM();
+
+ that.setMode('auto');
+ }
+
+ var maxMessageFontSize = function() {
+ // normally we want a font size, as tall as the element
+ var h = that.element_message.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, verically
+ var paddingTop = (lost - 5) / 2;
+
+ // but check the width too
+ // it should fit 10 characters in it
+ var w = that.element_message.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 > screen.height / 20) {
+ paddingTop += (h - (screen.height / 20)) / 2;
+ h = screen.height / 20;
+ }
+
+ // set it
+ that.element_message.style.fontSize = h.toString() + 'px';
+ that.element_message.style.paddingTop = paddingTop.toString() + 'px';
+ }
+
+ var showMessage = function(msg) {
+ that.element_message.className = 'netdata-message';
+ that.element_message.innerHTML = msg;
+ this.element_message.style.fontSize = 'x-small';
+ that.element_message.style.paddingTop = '0px';
+ that.___messageHidden___ = undefined;
+ }
+
+ var showMessageIcon = function(icon) {
+ that.element_message.innerHTML = icon;
+ that.element_message.className = 'netdata-message icon';
+ maxMessageFontSize();
+ that.___messageHidden___ = undefined;
+ }
+
+ var hideMessage = function() {
+ if(typeof that.___messageHidden___ === 'undefined') {
+ that.___messageHidden___ = true;
+ that.element_message.className = 'netdata-message hidden';
+ }
+ }
+
+ var showRendering = function() {
+ var icon;
+ if(that.chart !== null) {
+ if(that.chart.chart_type === 'line')
+ icon = '<i class="fa fa-line-chart"></i>';
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
+ }
+ else
+ icon = '<i class="fa fa-area-chart"></i>';
+
+ showMessageIcon(icon + ' netdata');
+ }
+
+ var showLoading = function() {
+ if(that.chart_created === false) {
+ showMessageIcon('<i class="fa fa-refresh"></i> netdata');
+ return true;
+ }
+ return false;
+ }
+
+ var isHidden = function() {
+ if(typeof that.___chartIsHidden___ !== 'undefined')
+ return true;
+
+ return false;
+ }
+
+ // hide the chart, when it is not visible - called from isVisible()
+ var hideChart = function() {
+ // hide it, if it is not already hidden
+ if(isHidden() === true) return;
+
+ if(that.chart_created === true) {
+ // we should destroy it
+ if(NETDATA.options.current.destroy_on_hide === true) {
+ init();
+ }
+ else {
+ showRendering();
+ that.element_chart.style.display = 'none';
+ if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ that.tm.last_hidden = new Date().getTime();
+ }
+ }
+
+ that.___chartIsHidden___ = true;
+ }
+
+ // unhide the chart, when it is visible - called from isVisible()
+ var unhideChart = function() {
+ if(isHidden() === false) return;
+
+ that.___chartIsHidden___ = undefined;
+ that.updates_since_last_unhide = 0;
+
+ if(that.chart_created === false) {
+ // we need to re-initialize it, to show our background
+ // logo in bootstrap tabs, until the chart loads
+ init();
+ }
+ else {
+ that.tm.last_unhidden = new Date().getTime();
+ that.element_chart.style.display = '';
+ if(that.element_legend !== null) that.element_legend.style.display = '';
+ resizeChart();
+ hideMessage();
+ }
+ }
+
+ var canBeRendered = function() {
+ if(isHidden() === true || that.isVisible(true) === false)
+ return false;
+
+ return true;
+ }
+
+ // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers
+ var callChartLibraryUpdateSafely = function(data) {
+ var status;
+
+ if(canBeRendered() === false)
+ return false;
+
+ 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;
+
+ if(canBeRendered() === false)
+ return false;
+
+ 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.isVisible() === true && that.tm.last_resized < NETDATA.options.last_resized) {
+ if(that.chart_created === false) return;
+
+ if(that.needsRecreation()) {
+ init();
+ }
+ else if(typeof that.library.resize === 'function') {
+ that.library.resize(that);
+
+ if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null)
+ $(that.element_legend_childs.nano).nanoScroller();
+
+ maxMessageFontSize();
+ }
+
+ that.tm.last_resized = new Date().getTime();
+ }
+ }
+
+ // 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 = new Date().getTime();
+ 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.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 = new Date().getTime();
+ if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed) {
+ // double click / double tap event
+
+ // the optimal height of the chart
+ // showing the entire legend
+ var optimal = this.event_resize.chart_last_h
+ + this.element_legend_childs.content.scrollHeight
+ - this.element_legend_childs.content.clientHeight;
+
+ // if we are not optimal, be optimal
+ if(this.event_resize.chart_last_h != optimal)
+ resizeChartToHeight(optimal.toString() + 'px');
+
+ // else if we do not have the original height
+ // reset to the original height
+ else if(this.event_resize.chart_last_h != this.event_resize.chart_original_h)
+ resizeChartToHeight(this.event_resize.chart_original_h.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) {
+ // 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('<i class="fa fa-warning"></i> empty');
+ that.legendUpdateDOM();
+ that.tm.last_autorefreshed = new Date().getTime();
+ // that.data_update_every = 30 * 1000;
+ //that.element_chart.style.display = 'none';
+ //if(that.element_legend !== null) that.element_legend.style.display = 'none';
+ //that.___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 = new Date().getTime();
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // global selection sync
+
+ // prevent to global selection sync for some time
+ this.globalSelectionSyncDelay = function(ms) {
+ if(NETDATA.options.current.sync_selection === false)
+ return;
+
+ if(typeof ms === 'number')
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + ms;
+ else
+ NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay;
+ }
+
+ // can we globally apply selection sync?
+ this.globalSelectionSyncAbility = function() {
+ if(NETDATA.options.current.sync_selection === false)
+ return false;
+
+ if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime())
+ return false;
+
+ return true;
+ }
+
+ this.globalSelectionSyncIsMaster = function() {
+ if(NETDATA.globalSelectionSync.state === this)
+ return true;
+ else
+ return false;
+ }
+
+ // this chart is the master of the global selection sync
+ this.globalSelectionSyncBeMaster = function() {
+ // am I the master?
+ if(this.globalSelectionSyncIsMaster()) {
+ if(this.debug === true)
+ this.log('sync: I am the master already.');
+
+ return;
+ }
+
+ if(NETDATA.globalSelectionSync.state) {
+ if(this.debug === true)
+ this.log('sync: I am not the sync master. Resetting global sync.');
+
+ this.globalSelectionSyncStop();
+ }
+
+ // become the master
+ if(this.debug === true)
+ this.log('sync: becoming sync master.');
+
+ this.selected = true;
+ NETDATA.globalSelectionSync.state = this;
+
+ // find the all slaves
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ st = targets[len];
+
+ if(st === this) {
+ if(this.debug === true)
+ st.log('sync: not adding me to sync');
+ }
+ else if(st.globalSelectionSyncIsEligible()) {
+ if(this.debug === true)
+ st.log('sync: adding to sync as slave');
+
+ st.globalSelectionSyncBeSlave();
+ }
+ }
+
+ // this.globalSelectionSyncDelay(100);
+ }
+
+ // can the chart participate to the global selection sync as a slave?
+ this.globalSelectionSyncIsEligible = function() {
+ if(this.enabled === true
+ && this.library !== null
+ && typeof this.library.setSelection === 'function'
+ && this.isVisible() === true
+ && this.chart_created === true)
+ return true;
+
+ return false;
+ }
+
+ // this chart becomes a slave of the global selection sync
+ this.globalSelectionSyncBeSlave = function() {
+ if(NETDATA.globalSelectionSync.state !== this)
+ NETDATA.globalSelectionSync.slaves.push(this);
+ }
+
+ // sync all the visible charts to the given time
+ // this is to be called from the chart libraries
+ this.globalSelectionSync = function(t) {
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+
+ if(this.globalSelectionSyncIsMaster() === false) {
+ if(this.debug === true)
+ this.log('sync: trying to be sync master.');
+
+ this.globalSelectionSyncBeMaster();
+
+ if(this.globalSelectionSyncAbility() === false) {
+ if(this.debug === true)
+ this.log('sync: cannot sync (yet?).');
+
+ return;
+ }
+ }
+
+ NETDATA.globalSelectionSync.last_t = t;
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ st.setSelection(t);
+ });
+ }
+
+ // stop syncing all charts to the given time
+ this.globalSelectionSyncStop = function() {
+ if(NETDATA.globalSelectionSync.slaves.length) {
+ if(this.debug === true)
+ this.log('sync: cleaning up...');
+
+ $.each(NETDATA.globalSelectionSync.slaves, function(i, st) {
+ if(st === that) {
+ if(that.debug === true)
+ st.log('sync: not adding me to sync stop');
+ }
+ else {
+ if(that.debug === true)
+ st.log('sync: removed slave from sync');
+
+ st.clearSelection();
+ }
+ });
+
+ NETDATA.globalSelectionSync.last_t = 0;
+ NETDATA.globalSelectionSync.slaves = [];
+ NETDATA.globalSelectionSync.state = null;
+ }
+
+ this.clearSelection();
+ }
+
+ this.setSelection = function(t) {
+ if(typeof this.library.setSelection === 'function') {
+ if(this.library.setSelection(this, t) === true)
+ this.selected = true;
+ else
+ this.selected = false;
+ }
+ else this.selected = true;
+
+ if(this.selected === true && this.debug === true)
+ this.log('selection set to ' + t.toString());
+
+ return this.selected;
+ }
+
+ this.clearSelection = function() {
+ if(this.selected === true) {
+ if(typeof this.library.clearSelection === 'function') {
+ if(this.library.clearSelection(this) === true)
+ this.selected = false;
+ else
+ this.selected = true;
+ }
+ else this.selected = false;
+
+ if(this.selected === false && this.debug === true)
+ this.log('selection cleared');
+
+ this.legendReset();
+ }
+
+ return this.selected;
+ }
+
+ // find if a timestamp (ms) is shown in the current chart
+ this.timeIsVisible = function(t) {
+ if(t >= this.data_after && t <= this.data_before)
+ return true;
+ return false;
+ },
+
+ this.calculateRowForTime = function(t) {
+ if(this.timeIsVisible(t) === false) return -1;
+ return Math.floor((t - this.data_after) / this.data_update_every);
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // console logging
+ this.log = function(msg) {
+ console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg);
+ }
+
+ 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) {
+ var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): ';
+ var ret = true;
+
+ if(this.debug === true)
+ this.log(logme);
+
+ if(before < after) {
+ 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 = new Date().getTime() + 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);
+ return ret;
+ }
+
+ this.legendFormatValue = function(value) {
+ if(value === null || value === 'undefined') return '-';
+ if(typeof value !== 'number') return value;
+
+ var abs = Math.abs(value);
+ if(abs >= 1000) return (Math.round(value)).toLocaleString();
+ if(abs >= 100 ) return (Math.round(value * 10) / 10).toLocaleString();
+ if(abs >= 1 ) return (Math.round(value * 100) / 100).toLocaleString();
+ if(abs >= 0.1 ) return (Math.round(value * 1000) / 1000).toLocaleString();
+ return (Math.round(value * 10000) / 10000).toLocaleString();
+ }
+
+ 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;
+
+ // 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 += '<i class="fa fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else if(v < series.last) s += '<i class="fa fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ else s += '<i class="fa fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ }
+ else s += '<i class="fa fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>';
+ series.last = v;
+ }
+ else {
+ s = r = value;
+ series.last = value;
+ }
+
+ if(series.value !== null) series.value.innerHTML = s;
+ if(series.user !== null) series.user.innerHTML = r;
+ }
+
+ this.legendSetDate = function(ms) {
+ if(typeof ms !== 'number') {
+ this.legendShowUndefined();
+ return;
+ }
+
+ var d = new Date(ms);
+
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString();
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString();
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = this.units;
+ }
+
+ this.legendShowUndefined = function() {
+ if(this.element_legend_childs.title_date)
+ this.element_legend_childs.title_date.innerHTML = '&nbsp;';
+
+ if(this.element_legend_childs.title_time)
+ this.element_legend_childs.title_time.innerHTML = this.chart.name;
+
+ if(this.element_legend_childs.title_units)
+ this.element_legend_childs.title_units.innerHTML = '&nbsp;';
+
+ 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') continue;
+ if(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) {
+ if(this.colors === null) this.chartColors();
+
+ if(typeof this.colors_assigned[label] === 'undefined') {
+ if(this.colors_available.length === 0) {
+ for(var i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.themes.current.colors[i]);
+ }
+
+ this.colors_assigned[label] = this.colors_available.shift();
+
+ if(this.debug === true)
+ this.log('label "' + label + '" got color "' + this.colors_assigned[label]);
+ }
+ else {
+ if(this.debug === true)
+ this.log('label "' + label + '" already has color "' + this.colors_assigned[label] + '"');
+ }
+
+ this.colors.push(this.colors_assigned[label]);
+ return this.colors_assigned[label];
+ }
+
+ this.chartColors = function() {
+ if(this.colors !== null) return this.colors;
+
+ this.colors = new Array();
+ this.colors_available = new Array();
+
+ var c = $(this.element).data('colors');
+ // this.log('read colors: ' + c);
+ if(typeof c !== 'undefined' && c !== null && c.length > 0) {
+ if(typeof c !== 'string') {
+ this.log('invalid color given: ' + c + ' (give a space separated list of colors)');
+ }
+ else {
+ c = c.split(' ');
+ var added = 0;
+
+ while(added < 20) {
+ for(var i = 0, len = c.length; i < len ; i++) {
+ added++;
+ this.colors_available.push(c[i]);
+ // this.log('adding color: ' + c[i]);
+ }
+ }
+ }
+ }
+
+ // push all the standard colors too
+ for(var i = 0, len = NETDATA.themes.current.colors.length; i < len ; i++)
+ this.colors_available.push(NETDATA.themes.current.colors[i]);
+
+ return this.colors;
+ }
+
+ this.legendUpdateDOM = function() {
+ var needed = false;
+
+ // 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.chartColors();
+
+ // 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.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)
+ for(var dim in this.chart.dimensions)
+ this._chartDimensionColor(this.chart.dimensions[dim].name);
+ }
+ // we will re-generate the colors for the chart
+ // based on the selected dimensions
+ this.colors = null;
+
+ if(this.debug === true)
+ this.log('updating Legend DOM');
+
+ // mark all dimensions as invalid
+ this.dimensions_visibility.invalidateAll();
+
+ var genLabel = function(state, parent, name, count) {
+ var color = state._chartDimensionColor(name);
+
+ var user_element = null;
+ var user_id = self.data('show-value-of-' + name + '-at') || null;
+ if(user_id !== null) {
+ user_element = document.getElementById(user_id) || null;
+ if(user_element === null)
+ me.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
+ };
+
+ 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 = '<table class="netdata-legend-name-table-'
+ + state.chart.chart_type
+ + '" style="background-color: '
+ + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ')'
+ + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>'
+
+ 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.hasLegend()) {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: document.createElement('div'),
+ title_date: document.createElement('span'),
+ title_time: document.createElement('span'),
+ title_units: document.createElement('span'),
+ nano: document.createElement('div'),
+ nano_options: {
+ paneClass: 'netdata-legend-series-pane',
+ sliderClass: 'netdata-legend-series-slider',
+ contentClass: 'netdata-legend-series-content',
+ enabledClass: '__enabled',
+ flashedClass: '__flashed',
+ activeClass: '__active',
+ tabIndex: -1,
+ alwaysVisible: true,
+ sliderMinHeight: 10
+ },
+ series: {}
+ };
+
+ this.element_legend.innerHTML = '';
+
+ this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler";
+ this.element_legend_childs.resize_handler.innerHTML = '<i class="fa fa-chevron-up"></i><i class="fa fa-chevron-down"></i>';
+ this.element.appendChild(this.element_legend_childs.resize_handler);
+
+ // 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);
+
+ this.element_legend_childs.title_date.className += " netdata-legend-title-date";
+ this.element_legend.appendChild(this.element_legend_childs.title_date);
+
+ 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.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.title_units.className += " netdata-legend-title-units";
+ this.element_legend.appendChild(this.element_legend_childs.title_units);
+
+ this.element_legend.appendChild(document.createElement('br'));
+
+ this.element_legend_childs.nano.className = 'netdata-legend-series';
+ this.element_legend.appendChild(this.element_legend_childs.nano);
+
+ content.className = 'netdata-legend-series-content';
+ this.element_legend_childs.nano.appendChild(content);
+ }
+ else {
+ this.element_legend_childs = {
+ content: content,
+ resize_handler: null,
+ title_date: null,
+ title_time: null,
+ title_units: null,
+ nano: null,
+ nano_options: 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(var i = 0, len = this.data.dimension_names.length; i < len ;i++) {
+ genLabel(this, content, this.data.dimension_names[i], i);
+ }
+ }
+ else {
+ var tmp = new Array();
+ for(var dim in this.chart.dimensions) {
+ tmp.push(this.chart.dimensions[dim].name);
+ genLabel(this, content, 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.nano !== null && this.element_legend_childs.nano_options !== null)
+ $(this.element_legend_childs.nano).nanoScroller(this.element_legend_childs.nano_options);
+
+ this.legendShowLatestValues();
+ }
+
+ this.hasLegend = function() {
+ if(typeof this.___hasLegendCache___ !== 'undefined')
+ return this.___hasLegendCache___;
+
+ var leg = false;
+ if(this.library && this.library.legend(this) === 'right-side') {
+ var legend = $(this.element).data('legend') || 'yes';
+ if(legend === 'yes') leg = true;
+ }
+
+ this.___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() {
+ return (
+ this.chart_created === true
+ && this.library
+ && this.library.autoresize() === false
+ && this.tm.last_resized < NETDATA.options.last_resized
+ );
+ }
+
+ this.chartURL = function() {
+ var after, before, points_multiplier = 1;
+ if(NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(this) === false) {
+ 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 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 = 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;
+
+ this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint());
+
+ // build the data URL
+ this.data_url = this.host + this.chart.data_url;
+ this.data_url += "&format=" + this.library.format();
+ this.data_url += "&points=" + (this.data_points * points_multiplier).toString();
+ this.data_url += "&group=" + this.method;
+ this.data_url += "&options=" + this.library.options(this);
+ this.data_url += '|jsonwrap';
+
+ if(NETDATA.options.current.eliminate_zero_dimensions === true)
+ this.data_url += '|nonzero';
+
+ if(this.append_options !== null)
+ this.data_url += '|' + this.append_options.toString();
+
+ 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: ' + this.data_points + ' 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._updating = false;
+
+ // this may force the chart to be re-created
+ resizeChart();
+
+ this.data = data;
+ this.updates_counter++;
+ this.updates_since_last_unhide++;
+ this.updates_since_last_creation++;
+
+ var started = new Date().getTime();
+
+ // if the result is JSON, find the latest update-every
+ this.data_update_every = data.view_update_every * 1000;
+ 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('adusting 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('adusting 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.');
+
+ this.chart_created = false;
+ }
+
+ // 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;
+ }
+ hideMessage();
+ this.legendShowLatestValues();
+ if(this.selected === true)
+ NETDATA.globalSelectionSync.stop();
+
+ // update the performance counters
+ var now = new Date().getTime();
+ 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)
+ this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * 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.innerHTML = this.refresh_dt_ms.toString();
+ }
+
+ this.updateChart = function(callback) {
+ if(this.debug === true)
+ this.log('updateChart() called.');
+
+ if(this._updating === true) {
+ if(this.debug === true)
+ this.log('I am already updating...');
+
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+
+ // due to late initialization of charts and libraries
+ // we need to check this too
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
+
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+
+ if(canBeRendered() === false) {
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+
+ if(this.chart === null) {
+ this.getChart(function() { that.updateChart(callback); });
+ return false;
+ }
+
+ if(this.library.initialized === false) {
+ if(this.library.enabled === true) {
+ this.library.initialize(function() { that.updateChart(callback); });
+ return false;
+ }
+ else {
+ error('chart library "' + this.library_name + '" is not available.');
+ if(typeof callback === 'function') callback();
+ return false;
+ }
+ }
+
+ this.clearSelection();
+ this.chartURL();
+
+ if(this.debug === true)
+ this.log('updating from ' + this.data_url);
+
+ this._updating = true;
+
+ this.xhr = $.ajax( {
+ url: this.data_url,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .success(function(data) {
+ if(that.debug === true)
+ that.log('data received. updating chart.');
+
+ that.updateChartWithData(data);
+ })
+ .fail(function() {
+ error('data download failed for url: ' + that.data_url);
+ })
+ .always(function() {
+ this._updating = false;
+ if(typeof callback === 'function') callback();
+ });
+
+ return true;
+ }
+
+ this.isVisible = function(nocache) {
+ if(typeof nocache === 'undefined')
+ nocache = false;
+
+ // 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(nocache === false && this.tm.last_visible_check > NETDATA.options.last_page_scroll)
+ return this.___isVisible___;
+
+ this.tm.last_visible_check = new Date().getTime();
+
+ var wh = window.innerHeight;
+ var x = this.element.getBoundingClientRect();
+ var ret = 0;
+ var tolerance = 0;
+
+ if(x.width === 0 || x.height === 0) {
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
+
+ if(x.top < 0 && -x.top > x.height) {
+ // the chart is entirely above
+ ret = -x.top - x.height;
+ }
+ else if(x.top > wh) {
+ // the chart is entirely below
+ ret = x.top - wh;
+ }
+
+ if(ret > tolerance) {
+ // the chart is too far
+
+ hideChart();
+ this.___isVisible___ = false;
+ return this.___isVisible___;
+ }
+ else {
+ // the chart is inside or very close
+
+ unhideChart();
+ this.___isVisible___ = true;
+ return this.___isVisible___;
+ }
+ }
+
+ this.isAutoRefreshed = function() {
+ return (this.current.autorefresh);
+ }
+
+ this.canBeAutoRefreshed = function() {
+ now = new Date().getTime();
+
+ if(this.enabled === false) {
+ if(this.debug === true)
+ this.log('I am not enabled');
+
+ 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('My 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('I am not visible');
+
+ return false;
+ }
+
+ if(this.current.force_update_at !== 0 && this.current.force_update_at < now) {
+ if(this.debug === true)
+ this.log('timed force update detected - allowing this update');
+
+ this.current.force_update_at = 0;
+ return true;
+ }
+
+ if(this.isAutoRefreshed() === true) {
+ // allow the first update, even if the page is not visible
+ if(this.updates_counter && this.updates_since_last_unhide && NETDATA.options.page_is_visible === false) {
+ if(NETDATA.options.debug.focus === true || this.debug === true)
+ this.log('canBeAutoRefreshed(): page does not have focus');
+
+ return false;
+ }
+
+ if(this.needsRecreation() === true) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): needs re-creation.');
+
+ return true;
+ }
+
+ // options valid only for autoRefresh()
+ if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) {
+ 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;
+ }
+
+ if(now - this.tm.last_autorefreshed >= this.data_update_every) {
+ if(this.debug === true)
+ this.log('canBeAutoRefreshed(): It is time to update me.');
+
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ this.autoRefresh = function(callback) {
+ if(this.canBeAutoRefreshed() === true) {
+ this.updateChart(callback);
+ }
+ else {
+ if(typeof callback !== 'undefined')
+ 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 = new Date().getTime();
+
+ if(this.title === null)
+ this.title = chart.title;
+
+ if(this.units === null)
+ this.units = chart.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') 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,
+ crossDomain: NETDATA.options.crossDomainAjax,
+ cache: false,
+ async: true
+ })
+ .done(function(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') callback();
+ });
+ }
+ }
+
+ // ============================================================================================================
+ // INITIALIZATION
+
+ init();
+ }
+
+ NETDATA.resetAllCharts = function(state) {
+ // first clear the global selection sync
+ // to make sure no chart is in selected state
+ state.globalSelectionSyncStop();
+
+ // 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 autorefreshing
+ 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 state = $(element).data('netdata-state-object') || null;
+ if(state === null) {
+ state = new chartState(element);
+ $(element).data('netdata-state-object', state);
+ }
+ return state;
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Library functions
+
+ // Load a script without jquery
+ // This is used to load jquery - after it is loaded, we use jquery
+ NETDATA._loadjQuery = function(callback) {
+ if(typeof jQuery === 'undefined') {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.jQuery);
+
+ var script = document.createElement('script');
+ script.type = 'text/javascript';
+ script.async = true;
+ script.src = NETDATA.jQuery;
+
+ // script.onabort = onError;
+ script.onerror = function(err, t) { NETDATA.error(101, NETDATA.jQuery); };
+ if(typeof callback === "function")
+ script.onload = callback;
+
+ var s = document.getElementsByTagName('script')[0];
+ s.parentNode.insertBefore(script, s);
+ }
+ else if(typeof callback === "function")
+ callback();
+ }
+
+ NETDATA._loadCSS = function(filename) {
+ // don't use jQuery here
+ // styles are loaded before jQuery
+ // to eliminate showing an unstyled page to the user
+
+ var fileref = document.createElement("link");
+ fileref.setAttribute("rel", "stylesheet");
+ fileref.setAttribute("type", "text/css");
+ fileref.setAttribute("href", filename);
+
+ if (typeof fileref !== 'undefined')
+ document.getElementsByTagName("head")[0].appendChild(fileref);
+ }
+
+ NETDATA.colorHex2Rgb = function(hex) {
+ // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+ var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/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(NETDATA.options.pause === true)
+ callback();
+ else
+ NETDATA.options.pauseCallback = callback;
+ }
+
+ NETDATA.unpause = function() {
+ NETDATA.options.pauseCallback = null;
+ NETDATA.options.updated_dom = true;
+ NETDATA.options.pause = false;
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+
+ // this is purely sequencial charts refresher
+ // it is meant to be autonomous
+ NETDATA.chartRefresherNoParallel = function(index) {
+ if(NETDATA.options.debug.mail_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(NETDATA.chartRefresher);
+ return;
+ }
+ if(index >= NETDATA.options.targets.length) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('waiting to restart main loop...');
+
+ NETDATA.options.auto_refresher_fast_weight = 0;
+
+ setTimeout(function() {
+ NETDATA.chartRefresher();
+ }, NETDATA.options.current.idle_between_loops);
+ }
+ else {
+ var state = NETDATA.options.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...');
+
+ state.autoRefresh(function() {
+ NETDATA.chartRefresherNoParallel(++index);
+ });
+ }
+ else {
+ if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...');
+ NETDATA.options.auto_refresher_fast_weight = 0;
+
+ setTimeout(function() {
+ state.autoRefresh(function() {
+ NETDATA.chartRefresherNoParallel(++index);
+ });
+ }, NETDATA.options.current.idle_between_charts);
+ }
+ }
+ }
+
+ // this is part of the parallel refresher
+ // its cause is to refresh sequencially all the charts
+ // that depend on chart library initialization
+ // it will call the parallel refresher back
+ // as soon as it sees a chart that its chart library
+ // is initialized
+ NETDATA.chartRefresher_unitialized = function() {
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ return;
+ }
+
+ if(NETDATA.options.sequencial.length === 0)
+ NETDATA.chartRefresher();
+ else {
+ var state = NETDATA.options.sequencial.pop();
+ if(state.library.initialized === true)
+ NETDATA.chartRefresher();
+ else
+ state.autoRefresh(NETDATA.chartRefresher_unitialized);
+ }
+ }
+
+ NETDATA.chartRefresherWaitTime = function() {
+ return NETDATA.options.current.idle_parallel_loops;
+ }
+
+ // the default refresher
+ // it will create 2 sets of charts:
+ // - the ones that can be refreshed in parallel
+ // - the ones that depend on something else
+ // the first set will be executed in parallel
+ // the second will be given to NETDATA.chartRefresher_unitialized()
+ NETDATA.chartRefresher = function() {
+ if(NETDATA.options.pause === true) {
+ // console.log('auto-refresher is paused');
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ return;
+ }
+
+ if(typeof NETDATA.options.pauseCallback === 'function') {
+ // console.log('auto-refresher is calling pauseCallback');
+ NETDATA.options.pause = true;
+ NETDATA.options.pauseCallback();
+ NETDATA.chartRefresher();
+ return;
+ }
+
+ if(NETDATA.options.current.parallel_refresher === false) {
+ NETDATA.chartRefresherNoParallel(0);
+ return;
+ }
+
+ if(NETDATA.options.updated_dom === true) {
+ // the dom has been updated
+ // get the dom parts again
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ return;
+ }
+
+ var parallel = new Array();
+ var targets = NETDATA.options.targets;
+ var len = targets.length;
+ while(len--) {
+ if(targets[len].isVisible() === false)
+ continue;
+
+ var state = targets[len];
+ if(state.library.initialized === false) {
+ if(state.library.enabled === true) {
+ state.library.initialize(NETDATA.chartRefresher);
+ return;
+ }
+ else {
+ state.error('chart library "' + state.library_name + '" is not enabled.');
+ }
+ }
+
+ parallel.unshift(state);
+ }
+
+ if(parallel.length > 0) {
+ var parallel_jobs = parallel.length;
+
+ // this will execute the jobs in parallel
+ $(parallel).each(function() {
+ this.autoRefresh(function() {
+ parallel_jobs--;
+
+ if(parallel_jobs === 0) {
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ }
+ });
+ })
+ }
+ else {
+ setTimeout(NETDATA.chartRefresher,
+ NETDATA.chartRefresherWaitTime());
+ }
+ }
+
+ NETDATA.parseDom = function(callback) {
+ NETDATA.options.last_page_scroll = new Date().getTime();
+ NETDATA.options.updated_dom = false;
+
+ 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.options.targets = new Array();
+ var len = targets.length;
+ while(len--) {
+ // the initialization will take care of sizing
+ // and the "loading..." message
+ NETDATA.options.targets.push(NETDATA.chartState(targets[len]));
+ }
+
+ if(typeof callback === 'function') callback();
+ }
+
+ // this is the main function - where everything starts
+ NETDATA.start = function() {
+ // this should be called only once
+
+ 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
+ $('.modal').on('hidden.bs.modal', NETDATA.onscroll);
+ $('.modal').on('shown.bs.modal', NETDATA.onscroll);
+
+ NETDATA.parseDom(NETDATA.chartRefresher);
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // peity
+
+ NETDATA.peityInitialize = function(callback) {
+ if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) {
+ $.ajax({
+ url: NETDATA.peity_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.peity.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.peityChartUpdate = function(state, data) {
+ state.peity_instance.innerHTML = data.result;
+
+ if(state.peity_options.stroke !== state.chartColors()[0]) {
+ state.peity_options.stroke = state.chartColors()[0];
+ if(state.chart.chart_type === 'line')
+ state.peity_options.fill = NETDATA.themes.current.background;
+ else
+ state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[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);
+
+ var self = $(state.element);
+ state.peity_options = {
+ stroke: NETDATA.themes.current.foreground,
+ strokeWidth: self.data('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"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.sparkline.enabled = false;
+ if(typeof callback === "function")
+ 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 self = $(state.element);
+ var type = self.data('sparkline-type') || 'line';
+ var lineColor = self.data('sparkline-linecolor') || state.chartColors()[0];
+ var fillColor = self.data('sparkline-fillcolor') || (state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance);
+ var chartRangeMin = self.data('sparkline-chartrangemin') || undefined;
+ var chartRangeMax = self.data('sparkline-chartrangemax') || undefined;
+ var composite = self.data('sparkline-composite') || undefined;
+ var enableTagOptions = self.data('sparkline-enabletagoptions') || undefined;
+ var tagOptionPrefix = self.data('sparkline-tagoptionprefix') || undefined;
+ var tagValuesAttribute = self.data('sparkline-tagvaluesattribute') || undefined;
+ var disableHiddenCheck = self.data('sparkline-disablehiddencheck') || undefined;
+ var defaultPixelsPerValue = self.data('sparkline-defaultpixelspervalue') || undefined;
+ var spotColor = self.data('sparkline-spotcolor') || undefined;
+ var minSpotColor = self.data('sparkline-minspotcolor') || undefined;
+ var maxSpotColor = self.data('sparkline-maxspotcolor') || undefined;
+ var spotRadius = self.data('sparkline-spotradius') || undefined;
+ var valueSpots = self.data('sparkline-valuespots') || undefined;
+ var highlightSpotColor = self.data('sparkline-highlightspotcolor') || undefined;
+ var highlightLineColor = self.data('sparkline-highlightlinecolor') || undefined;
+ var lineWidth = self.data('sparkline-linewidth') || undefined;
+ var normalRangeMin = self.data('sparkline-normalrangemin') || undefined;
+ var normalRangeMax = self.data('sparkline-normalrangemax') || undefined;
+ var drawNormalOnTop = self.data('sparkline-drawnormalontop') || undefined;
+ var xvalues = self.data('sparkline-xvalues') || undefined;
+ var chartRangeClip = self.data('sparkline-chartrangeclip') || undefined;
+ var xvalues = self.data('sparkline-xvalues') || undefined;
+ var chartRangeMinX = self.data('sparkline-chartrangeminx') || undefined;
+ var chartRangeMaxX = self.data('sparkline-chartrangemaxx') || undefined;
+ var disableInteraction = self.data('sparkline-disableinteraction') || false;
+ var disableTooltips = self.data('sparkline-disabletooltips') || false;
+ var disableHighlight = self.data('sparkline-disablehighlight') || false;
+ var highlightLighten = self.data('sparkline-highlightlighten') || 1.4;
+ var highlightColor = self.data('sparkline-highlightcolor') || undefined;
+ var tooltipContainer = self.data('sparkline-tooltipcontainer') || undefined;
+ var tooltipClassname = self.data('sparkline-tooltipclassname') || undefined;
+ var tooltipFormat = self.data('sparkline-tooltipformat') || undefined;
+ var tooltipPrefix = self.data('sparkline-tooltipprefix') || undefined;
+ var tooltipSuffix = self.data('sparkline-tooltipsuffix') || ' ' + state.units;
+ var tooltipSkipNull = self.data('sparkline-tooltipskipnull') || true;
+ var tooltipValueLookups = self.data('sparkline-tooltipvaluelookups') || undefined;
+ var tooltipFormatFieldlist = self.data('sparkline-tooltipformatfieldlist') || undefined;
+ var tooltipFormatFieldlistKey = self.data('sparkline-tooltipformatfieldlistkey') || undefined;
+ var numberFormatter = self.data('sparkline-numberformatter') || function(n){ return n.toFixed(2); };
+ var numberDigitGroupSep = self.data('sparkline-numberdigitgroupsep') || undefined;
+ var numberDecimalMark = self.data('sparkline-numberdecimalmark') || undefined;
+ var numberDigitGroupCount = self.data('sparkline-numberdigitgroupcount') || undefined;
+ var animatedZooms = self.data('sparkline-animatedzooms') || false;
+
+ 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.dygraphSetSelection = function(state, t) {
+ if(typeof state.dygraph_instance !== 'undefined') {
+ var r = state.calculateRowForTime(t);
+ if(r !== -1)
+ state.dygraph_instance.setSelection(r);
+ else {
+ state.dygraph_instance.clearSelection();
+ state.legendShowUndefined();
+ }
+ }
+
+ return true;
+ };
+
+ NETDATA.dygraphClearSelection = function(state, t) {
+ if(typeof state.dygraph_instance !== 'undefined') {
+ state.dygraph_instance.clearSelection();
+ }
+ return true;
+ };
+
+ NETDATA.dygraphSmoothInitialize = function(callback) {
+ $.ajax({
+ url: NETDATA.dygraph_smooth_js,
+ cache: true,
+ dataType: "script"
+ })
+ .done(function() {
+ NETDATA.dygraph.smooth = true;
+ smoothPlotter.smoothing = 0.3;
+ })
+ .fail(function() {
+ NETDATA.dygraph.smooth = false;
+ })
+ .always(function() {
+ if(typeof callback === "function")
+ callback();
+ });
+ }
+
+ NETDATA.dygraphInitialize = function(callback) {
+ if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) {
+ $.ajax({
+ url: NETDATA.dygraph_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.dygraph.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.dygraphChartUpdate = function(state, data) {
+ var dygraph = state.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.dygraph_last_rendered)
+ dygraph.resize();
+
+ var options = {
+ file: data.result.data,
+ colors: state.chartColors(),
+ labels: data.result.labels,
+ labelsDivWidth: state.chartWidth() - 70,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names)
+ };
+
+ if(state.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.valueRange = null;
+ options.isZoomedIgnoreProgrammaticZoom = true;
+ state.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.valueRange = null;
+ options.isZoomedIgnoreProgrammaticZoom = true;
+ }
+
+ if(state.dygraph_smooth_eligible === true) {
+ if((NETDATA.options.current.smooth_plot === true && state.dygraph_options.plotter !== smoothPlotter)
+ || (NETDATA.options.current.smooth_plot === false && state.dygraph_options.plotter === smoothPlotter)) {
+ NETDATA.dygraphChartCreate(state, data);
+ return;
+ }
+ }
+
+ dygraph.updateOptions(options);
+
+ state.dygraph_last_rendered = new Date().getTime();
+ return true;
+ };
+
+ NETDATA.dygraphChartCreate = function(state, data) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphChartCreate()');
+
+ var self = $(state.element);
+
+ var chart_type = state.chart.chart_type;
+ if(chart_type === 'stacked' && data.dimensions === 1) chart_type = 'area';
+ chart_type = self.data('dygraph-type') || chart_type;
+
+ var smooth = (chart_type === 'line' && !NETDATA.chartLibraries.dygraph.isSparkline(state))?true:false;
+ smooth = self.data('dygraph-smooth') || smooth;
+
+ if(NETDATA.dygraph.smooth === false)
+ smooth = false;
+
+ var strokeWidth = (chart_type === 'stacked')?0.1:((smooth)?1.5:0.7)
+ var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state))?3:4;
+
+ state.dygraph_options = {
+ colors: self.data('dygraph-colors') || state.chartColors(),
+
+ // leave a few pixels empty on the right of the chart
+ rightGap: self.data('dygraph-rightgap') || 5,
+ showRangeSelector: self.data('dygraph-showrangeselector') || false,
+ showRoller: self.data('dygraph-showroller') || false,
+
+ title: self.data('dygraph-title') || state.title,
+ titleHeight: self.data('dygraph-titleheight') || 19,
+
+ legend: self.data('dygraph-legend') || 'always', // 'onmouseover',
+ labels: data.result.labels,
+ labelsDiv: self.data('dygraph-labelsdiv') || state.element_legend_childs.hidden,
+ labelsDivStyles: self.data('dygraph-labelsdivstyles') || { 'fontSize':'1px' },
+ labelsDivWidth: self.data('dygraph-labelsdivwidth') || state.chartWidth() - 70,
+ labelsSeparateLines: self.data('dygraph-labelsseparatelines') || true,
+ labelsShowZeroValues: self.data('dygraph-labelsshowzerovalues') || true,
+ labelsKMB: false,
+ labelsKMG2: false,
+ showLabelsOnHighlight: self.data('dygraph-showlabelsonhighlight') || true,
+ hideOverlayOnMouseOut: self.data('dygraph-hideoverlayonmouseout') || true,
+
+ ylabel: state.units,
+ yLabelWidth: self.data('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: self.data('dygraph-strokewidth') || strokeWidth,
+ strokePattern: self.data('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: self.data('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: self.data('dygraph-drawgapedgepoints') || true,
+
+ connectSeparatedPoints: self.data('dygraph-connectseparatedpoints') || false,
+ pointSize: self.data('dygraph-pointsize') || 1,
+
+ // enabling this makes the chart with little square lines
+ stepPlot: self.data('dygraph-stepplot') || false,
+
+ // Draw a border around graph lines to make crossing lines more easily distinguishable. Useful for graphs with many lines.
+ strokeBorderColor: self.data('dygraph-strokebordercolor') || NETDATA.themes.current.background,
+ strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (chart_type === 'stacked')?0.0:0.0,
+
+ fillGraph: self.data('dygraph-fillgraph') || (chart_type === 'area' || chart_type === 'stacked')?true:false,
+ fillAlpha: self.data('dygraph-fillalpha') || (chart_type === 'stacked')?NETDATA.options.current.color_fill_opacity_stacked:NETDATA.options.current.color_fill_opacity_area,
+ stackedGraph: self.data('dygraph-stackedgraph') || (chart_type === 'stacked')?true:false,
+ stackedGraphNaNFill: self.data('dygraph-stackedgraphnanfill') || 'none',
+
+ drawAxis: self.data('dygraph-drawaxis') || true,
+ axisLabelFontSize: self.data('dygraph-axislabelfontsize') || 10,
+ axisLineColor: self.data('dygraph-axislinecolor') || NETDATA.themes.current.axis,
+ axisLineWidth: self.data('dygraph-axislinewidth') || 0.3,
+
+ drawGrid: self.data('dygraph-drawgrid') || true,
+ drawXGrid: self.data('dygraph-drawxgrid') || undefined,
+ drawYGrid: self.data('dygraph-drawygrid') || undefined,
+ gridLinePattern: self.data('dygraph-gridlinepattern') || null,
+ gridLineWidth: self.data('dygraph-gridlinewidth') || 0.3,
+ gridLineColor: self.data('dygraph-gridlinecolor') || NETDATA.themes.current.grid,
+
+ maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8,
+ sigFigs: self.data('dygraph-sigfigs') || null,
+ digitsAfterDecimal: self.data('dygraph-digitsafterdecimal') || 2,
+ valueFormatter: self.data('dygraph-valueformatter') || function(x){ return x.toFixed(2); },
+
+ highlightCircleSize: self.data('dygraph-highlightcirclesize') || highlightCircleSize,
+ highlightSeriesOpts: self.data('dygraph-highlightseriesopts') || null, // TOO SLOW: { strokeWidth: 1.5 },
+ highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (chart_type === 'stacked')?0.7:0.5,
+
+ pointClickCallback: self.data('dygraph-pointclickcallback') || undefined,
+ visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names),
+ axes: {
+ x: {
+ pixelsPerLabel: 50,
+ ticker: Dygraph.dateTicker,
+ axisLabelFormatter: function (d, gran) {
+ return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
+ },
+ valueFormatter: function (ms) {
+ var d = new Date(ms);
+ return d.toLocaleDateString() + ' ' + d.toLocaleTimeString();
+ // return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds());
+ }
+ },
+ y: {
+ pixelsPerLabel: 15,
+ valueFormatter: function (x) {
+ // we format legends with the state object
+ // no need to do anything here
+ // return (Math.round(x*100) / 100).toLocaleString();
+ // return state.legendFormatValue(x);
+ return x;
+ }
+ }
+ },
+ legendFormatter: function(data) {
+ 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) continue;
+ state.legendSetLabelValue(series.label, series.y);
+ }
+ }
+
+ return '';
+ },
+ drawCallback: function(dygraph, is_initial) {
+ if(state.current.name !== 'auto' && state.dygraph_user_action === true) {
+ state.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 + '): ' + (after / 1000).toString() + ' - ' + (before / 1000).toString());
+
+ if(before <= state.netdata_last && after >= state.netdata_first)
+ state.updateChartPanOrZoom(after, before);
+ }
+ },
+ zoomCallback: function(minDate, maxDate, yRanges) {
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphZoomCallback()');
+
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('zoom');
+
+ // refresh it to the greatest possible zoom level
+ state.dygraph_user_action = true;
+ state.dygraph_force_zoom = true;
+ state.updateChartPanOrZoom(minDate, maxDate);
+ },
+ highlightCallback: function(event, x, points, row, seriesName) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphHighlightCallback()');
+
+ 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);
+
+ state.globalSelectionSync(x);
+
+ // fix legend zIndex using the internal structures of dygraph legend module
+ // this works, but it is a hack!
+ // state.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000;
+ },
+ unhighlightCallback: function(event) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('dygraphUnhighlightCallback()');
+
+ state.unpauseChart();
+ state.globalSelectionSyncStop();
+ },
+ interactionModel : {
+ mousedown: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousedown()');
+
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+
+ if(NETDATA.options.debug.dygraph === true)
+ state.log('dygraphMouseDown()');
+
+ // Right-click should not initiate a zoom.
+ if(event.button && event.button === 2) return;
+
+ context.initializeMouseDown(event, dygraph, context);
+
+ if(event.button && event.button === 1) {
+ if (event.altKey || event.shiftKey) {
+ state.setMode('pan');
+ state.globalSelectionSyncDelay();
+ Dygraph.startPan(event, dygraph, context);
+ }
+ else {
+ state.setMode('zoom');
+ state.globalSelectionSyncDelay();
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ }
+ else {
+ if (event.altKey || event.shiftKey) {
+ state.setMode('zoom');
+ state.globalSelectionSyncDelay();
+ Dygraph.startZoom(event, dygraph, context);
+ }
+ else {
+ state.setMode('pan');
+ state.globalSelectionSyncDelay();
+ Dygraph.startPan(event, dygraph, context);
+ }
+ }
+ },
+ mousemove: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousemove()');
+
+ if(context.isPanning) {
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('pan');
+ Dygraph.movePan(event, dygraph, context);
+ }
+ else if(context.isZooming) {
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+ state.setMode('zoom');
+ Dygraph.moveZoom(event, dygraph, context);
+ }
+ },
+ mouseup: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mouseup()');
+
+ if (context.isPanning) {
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncDelay();
+ Dygraph.endPan(event, dygraph, context);
+ }
+ else if (context.isZooming) {
+ state.dygraph_user_action = true;
+ state.globalSelectionSyncDelay();
+ Dygraph.endZoom(event, dygraph, context);
+ }
+ },
+ click: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.click()');
+
+ event.preventDefault();
+ },
+ dblclick: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.dblclick()');
+ NETDATA.resetAllCharts(state);
+ },
+ mousewheel: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.mousewheel()');
+
+ // 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 higest 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.dygraph_user_action = true;
+
+ state.globalSelectionSyncStop();
+ state.globalSelectionSyncDelay();
+
+ // http://dygraphs.com/gallery/interaction-api.js
+ var normal = (event.detail) ? event.detail * -1 : event.wheelDelta / 40;
+ 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');
+ if(state.updateChartPanOrZoom(after, before) === true)
+ dygraph.updateOptions({ dateWindow: [ after, before ] });
+
+ event.preventDefault();
+ }
+ },
+ touchstart: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchstart()');
+
+ state.dygraph_user_action = true;
+ state.setMode('zoom');
+ state.pauseChart();
+
+ Dygraph.defaultInteractionModel.touchstart(event, dygraph, context);
+
+ // we overwrite the touch directions at the end, to overwrite
+ // the internal default of dygraphs
+ context.touchDirections = { x: true, y: false };
+
+ state.dygraph_last_touch_start = new Date().getTime();
+ 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()');
+
+ state.dygraph_user_action = true;
+ Dygraph.defaultInteractionModel.touchmove(event, dygraph, context);
+
+ state.dygraph_last_touch_move = new Date().getTime();
+ },
+ touchend: function(event, dygraph, context) {
+ if(NETDATA.options.debug.dygraph === true || state.debug === true)
+ state.log('interactionModel.touchend()');
+
+ state.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) {
+ // internal api of dygraphs
+ var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w;
+ var t = Math.round(state.data_after + (state.data_before - state.data_after) * pct);
+ if(NETDATA.dygraphSetSelection(state, t) === true)
+ state.globalSelectionSync(t);
+ }
+
+ // if it was double tap within double click time, reset the charts
+ var now = new Date().getTime();
+ 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;
+ }
+ }
+ };
+
+ if(NETDATA.chartLibraries.dygraph.isSparkline(state)) {
+ state.dygraph_options.drawGrid = false;
+ state.dygraph_options.drawAxis = false;
+ state.dygraph_options.title = undefined;
+ state.dygraph_options.units = undefined;
+ state.dygraph_options.ylabel = undefined;
+ state.dygraph_options.yLabelWidth = 0;
+ state.dygraph_options.labelsDivWidth = 120;
+ state.dygraph_options.labelsDivStyles.width = '120px';
+ state.dygraph_options.labelsSeparateLines = true;
+ state.dygraph_options.rightGap = 0;
+ }
+
+ if(smooth === true) {
+ state.dygraph_smooth_eligible = true;
+
+ if(NETDATA.options.current.smooth_plot === true)
+ state.dygraph_options.plotter = smoothPlotter;
+ }
+ else state.dygraph_smooth_eligible = false;
+
+ state.dygraph_instance = new Dygraph(state.element_chart,
+ data.result.data, state.dygraph_options);
+
+ state.dygraph_force_zoom = false;
+ state.dygraph_user_action = false;
+ state.dygraph_last_rendered = new Date().getTime();
+ 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")
+ callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.morris_css);
+
+ $.ajax({
+ url: NETDATA.morris_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.morris.enabled = false;
+ if(typeof callback === "function")
+ 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"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.raphael.enabled = false;
+ if(typeof callback === "function")
+ 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")
+ callback();
+ }
+ }
+ else {
+ NETDATA._loadCSS(NETDATA.c3_css);
+
+ $.ajax({
+ url: NETDATA.c3_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ }
+ else {
+ NETDATA.chartLibraries.c3.enabled = false;
+ if(typeof callback === "function")
+ 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.zeropad(x.getHours()) + ":" + NETDATA.zeropad(x.getMinutes()) + ":" + NETDATA.zeropad(x.getSeconds());
+ }
+ }
+ }
+ },
+ 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;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // D3
+
+ NETDATA.d3Initialize = function(callback) {
+ if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) {
+ $.ajax({
+ url: NETDATA.d3_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.d3.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.d3ChartUpdate = function(state, data) {
+ return false;
+ };
+
+ NETDATA.d3ChartCreate = function(state, data) {
+ return false;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // google charts
+
+ NETDATA.googleInitialize = function(callback) {
+ if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) {
+ $.ajax({
+ url: NETDATA.google_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ });
+ }
+ else {
+ NETDATA.chartLibraries.google.enabled = false;
+ if(typeof callback === "function")
+ 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,
+ 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.percentFromValueMax = function(value, max) {
+ if(value === null) value = 0;
+ if(max < value) max = value;
+
+ var pcent = 0;
+ if(max !== 0) {
+ pcent = Math.round(value * 100 / max);
+ if(pcent === 0 && value > 0) pcent = 1;
+ }
+
+ return pcent;
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // easy-pie-chart
+
+ NETDATA.easypiechartInitialize = function(callback) {
+ if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) {
+ $.ajax({
+ url: NETDATA.easypiechart_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.easypiechart.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.easypiechartClearSelection = function(state) {
+ if(typeof state.easyPieChartEvent !== 'undefined') {
+ if(state.easyPieChartEvent.timer !== null)
+ clearTimeout(state.easyPieChartEvent.timer);
+
+ state.easyPieChartEvent.timer = null;
+ }
+
+ if(state.isAutoRefreshed() === true && state.data !== null) {
+ NETDATA.easypiechartChartUpdate(state, state.data);
+ }
+ else {
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(null);
+ state.easyPieChart_instance.update(0);
+ }
+ state.easyPieChart_instance.enableAnimation();
+
+ return true;
+ };
+
+ NETDATA.easypiechartSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.easypiechartClearSelection(state);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.easypiechartClearSelection(state);
+
+ if(typeof state.easyPieChartEvent === 'undefined') {
+ state.easyPieChartEvent = {
+ timer: null,
+ value: 0,
+ pcent: 0,
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var max = (state.easyPieChartMax === null)?state.data.max:state.easyPieChartMax;
+ var pcent = NETDATA.percentFromValueMax(value, max);
+
+ state.easyPieChartEvent.value = value;
+ state.easyPieChartEvent.pcent = pcent;
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+
+ if(state.easyPieChartEvent.timer === null) {
+ state.easyPieChart_instance.disableAnimation();
+
+ state.easyPieChartEvent.timer = setTimeout(function() {
+ state.easyPieChartEvent.timer = null;
+ state.easyPieChart_instance.update(state.easyPieChartEvent.pcent);
+ }, NETDATA.options.current.charts_selection_animation_delay);
+ }
+
+ return true;
+ };
+
+ NETDATA.easypiechartChartUpdate = function(state, data) {
+ var value, max, pcent;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ value = null;
+ max = 0;
+ pcent = 0;
+ }
+ else {
+ value = data.result[0];
+ max = (state.easyPieChartMax === null)?data.max:state.easyPieChartMax;
+ pcent = NETDATA.percentFromValueMax(value, max);
+ }
+
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+ state.easyPieChart_instance.update(pcent);
+ return true;
+ };
+
+ NETDATA.easypiechartChartCreate = function(state, data) {
+ var self = $(state.element);
+ var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var max = self.data('easypiechart-max-value') || null;
+ var adjust = self.data('easypiechart-adjust') || null;
+
+ if(max === null) {
+ max = data.max;
+ state.easyPieChartMax = null;
+ }
+ else
+ state.easyPieChartMax = max;
+
+ var pcent = NETDATA.percentFromValueMax(value, max);
+
+ chart.data('data-percent', pcent);
+
+ var size;
+ switch(adjust) {
+ case 'width': size = state.chartHeight(); break;
+ case 'min': size = Math.min(state.chartWidth(), state.chartHeight()); break;
+ case 'max': size = Math.max(state.chartWidth(), state.chartHeight()); break;
+ case 'height':
+ default: size = state.chartWidth(); break;
+ }
+ state.element.style.width = size + 'px';
+ state.element.style.height = size + 'px';
+
+ 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.easyPieChartLabel = document.createElement('span');
+ state.easyPieChartLabel.className = 'easyPieChartLabel';
+ state.easyPieChartLabel.innerHTML = state.legendFormatValue(value);
+ state.easyPieChartLabel.style.fontSize = valuefontsize + 'px';
+ state.easyPieChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize * 1.6 / 3);
+ var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40));
+ state.easyPieChartTitle = document.createElement('span');
+ state.easyPieChartTitle.className = 'easyPieChartTitle';
+ state.easyPieChartTitle.innerHTML = state.title;
+ state.easyPieChartTitle.style.fontSize = titlefontsize + 'px';
+ state.easyPieChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.easyPieChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40));
+ state.easyPieChartUnits = document.createElement('span');
+ state.easyPieChartUnits.className = 'easyPieChartUnits';
+ state.easyPieChartUnits.innerHTML = state.units;
+ state.easyPieChartUnits.style.fontSize = unitfontsize + 'px';
+ state.easyPieChartUnits.style.top = unittop.toString() + 'px';
+ state.element_chart.appendChild(state.easyPieChartUnits);
+
+ chart.easyPieChart({
+ barColor: self.data('easypiechart-barcolor') || state.chartColors()[0], //'#ef1e25',
+ trackColor: self.data('easypiechart-trackcolor') || NETDATA.themes.current.easypiechart_track,
+ scaleColor: self.data('easypiechart-scalecolor') || NETDATA.themes.current.easypiechart_scale,
+ scaleLength: self.data('easypiechart-scalelength') || 5,
+ lineCap: self.data('easypiechart-linecap') || 'round',
+ lineWidth: self.data('easypiechart-linewidth') || stroke,
+ trackWidth: self.data('easypiechart-trackwidth') || undefined,
+ size: self.data('easypiechart-size') || size,
+ rotate: self.data('easypiechart-rotate') || 0,
+ animate: self.data('easypiechart-rotate') || {duration: 500, enabled: true},
+ easing: self.data('easypiechart-easing') || undefined
+ });
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.easyPieChart_instance !== 'undefined')
+ animate = false;
+
+ state.easyPieChart_instance = chart.data('easyPieChart');
+ if(animate === false) state.easyPieChart_instance.disableAnimation();
+ state.easyPieChart_instance.update(pcent);
+ if(animate === false) state.easyPieChart_instance.enableAnimation();
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // gauge.js
+
+ NETDATA.gaugeInitialize = function(callback) {
+ if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) {
+ $.ajax({
+ url: NETDATA.gauge_js,
+ cache: true,
+ dataType: "script"
+ })
+ .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")
+ callback();
+ })
+ }
+ else {
+ NETDATA.chartLibraries.gauge.enabled = false;
+ if(typeof callback === "function")
+ callback();
+ }
+ };
+
+ NETDATA.gaugeAnimation = function(state, status) {
+ var speed = 32;
+
+ if(typeof status === 'boolean' && status === false)
+ speed = 1000000000;
+ else if(typeof status === 'number')
+ speed = status;
+
+ state.gauge_instance.animationSpeed = speed;
+ state.___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;
+
+ // 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);
+
+ // these should never happen
+ if(pcent < 0) pcent = 0;
+ if(pcent > 100) pcent = 100;
+
+ state.gauge_instance.set(pcent);
+
+ state.___gaugeOld__.value = value;
+ state.___gaugeOld__.min = min;
+ state.___gaugeOld__.max = max;
+ };
+
+ NETDATA.gaugeSetLabels = function(state, value, min, max) {
+ if(state.___gaugeOld__.valueLabel !== value) {
+ state.___gaugeOld__.valueLabel = value;
+ state.gaugeChartLabel.innerHTML = state.legendFormatValue(value);
+ }
+ if(state.___gaugeOld__.minLabel !== min) {
+ state.___gaugeOld__.minLabel = min;
+ state.gaugeChartMin.innerHTML = state.legendFormatValue(min);
+ }
+ if(state.___gaugeOld__.maxLabel !== max) {
+ state.___gaugeOld__.maxLabel = max;
+ state.gaugeChartMax.innerHTML = state.legendFormatValue(max);
+ }
+ };
+
+ NETDATA.gaugeClearSelection = function(state) {
+ if(typeof state.gaugeEvent !== 'undefined') {
+ if(state.gaugeEvent.timer !== null)
+ clearTimeout(state.gaugeEvent.timer);
+
+ state.gaugeEvent.timer = null;
+ }
+
+ if(state.isAutoRefreshed() === true && state.data !== null) {
+ NETDATA.gaugeChartUpdate(state, state.data);
+ }
+ else {
+ NETDATA.gaugeAnimation(state, false);
+ NETDATA.gaugeSet(state, null, null, null);
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ }
+
+ NETDATA.gaugeAnimation(state, true);
+ return true;
+ };
+
+ NETDATA.gaugeSetSelection = function(state, t) {
+ if(state.timeIsVisible(t) !== true)
+ return NETDATA.gaugeClearSelection(state);
+
+ var slot = state.calculateRowForTime(t);
+ if(slot < 0 || slot >= state.data.result.length)
+ return NETDATA.gaugeClearSelection(state);
+
+ if(typeof state.gaugeEvent === 'undefined') {
+ state.gaugeEvent = {
+ timer: null,
+ value: 0,
+ min: 0,
+ max: 0
+ };
+ }
+
+ var value = state.data.result[state.data.result.length - 1 - slot];
+ var max = (state.gaugeMax === null)?state.data.max:state.gaugeMax;
+ var min = 0;
+
+ state.gaugeEvent.value = value;
+ state.gaugeEvent.max = max;
+ state.gaugeEvent.min = min;
+ NETDATA.gaugeSetLabels(state, value, min, max);
+
+ if(state.gaugeEvent.timer === null) {
+ NETDATA.gaugeAnimation(state, false);
+
+ state.gaugeEvent.timer = setTimeout(function() {
+ state.gaugeEvent.timer = null;
+ NETDATA.gaugeSet(state, state.gaugeEvent.value, state.gaugeEvent.min, state.gaugeEvent.max);
+ }, NETDATA.options.current.charts_selection_animation_delay);
+ }
+
+ return true;
+ };
+
+ NETDATA.gaugeChartUpdate = function(state, data) {
+ var value, min, max;
+
+ if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) {
+ value = 0;
+ min = 0;
+ max = 1;
+ NETDATA.gaugeSetLabels(state, null, null, null);
+ }
+ else {
+ value = data.result[0];
+ min = 0;
+ max = (state.gaugeMax === null)?data.max:state.gaugeMax;
+ if(value > max) max = value;
+ NETDATA.gaugeSetLabels(state, value, min, max);
+ }
+
+ NETDATA.gaugeSet(state, value, min, max);
+ return true;
+ };
+
+ NETDATA.gaugeChartCreate = function(state, data) {
+ var self = $(state.element);
+ var chart = $(state.element_chart);
+
+ var value = data.result[0];
+ var max = self.data('gauge-max-value') || null;
+ var adjust = self.data('gauge-adjust') || null;
+ var pointerColor = self.data('gauge-pointer-color') || NETDATA.themes.current.gauge_pointer;
+ var strokeColor = self.data('gauge-stroke-color') || NETDATA.themes.current.gauge_stroke;
+ var startColor = self.data('gauge-start-color') || state.chartColors()[0];
+ var stopColor = self.data('gauge-stop-color') || void 0;
+ var generateGradient = self.data('gauge-generate-gradient') || false;
+
+ if(max === null) {
+ max = data.max;
+ state.gaugeMax = null;
+ }
+ else
+ state.gaugeMax = max;
+
+ var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5;
+ //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: 0.15, // The length of each line
+ lineWidth: 0.44, // 0.44 The line thickness
+ pointer: {
+ length: 0.8, // 0.9 The radius of the inner circle
+ strokeWidth: 0.035, // The rotation offset
+ color: pointerColor // Fill color
+ },
+ colorStart: startColor, // Colors
+ colorStop: stopColor, // just experiment with them
+ strokeColor: strokeColor, // to see which ones work best for you
+ limitMax: true,
+ generateGradient: generateGradient,
+ gradientType: 0
+ };
+
+ if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) {
+ 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.gauge_canvas = document.createElement('canvas');
+ state.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas';
+ state.gauge_canvas.className = 'gaugeChart';
+ state.gauge_canvas.width = width;
+ state.gauge_canvas.height = height;
+ state.element_chart.appendChild(state.gauge_canvas);
+
+ var valuefontsize = Math.floor(height / 6);
+ var valuetop = Math.round((height - valuefontsize - (height / 6)) / 2);
+ state.gaugeChartLabel = document.createElement('span');
+ state.gaugeChartLabel.className = 'gaugeChartLabel';
+ state.gaugeChartLabel.style.fontSize = valuefontsize + 'px';
+ state.gaugeChartLabel.style.top = valuetop.toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartLabel);
+
+ var titlefontsize = Math.round(valuefontsize / 2);
+ var titletop = 0;
+ state.gaugeChartTitle = document.createElement('span');
+ state.gaugeChartTitle.className = 'gaugeChartTitle';
+ state.gaugeChartTitle.innerHTML = state.title;
+ state.gaugeChartTitle.style.fontSize = titlefontsize + 'px';
+ state.gaugeChartTitle.style.lineHeight = titlefontsize + 'px';
+ state.gaugeChartTitle.style.top = titletop.toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartTitle);
+
+ var unitfontsize = Math.round(titlefontsize * 0.9);
+ state.gaugeChartUnits = document.createElement('span');
+ state.gaugeChartUnits.className = 'gaugeChartUnits';
+ state.gaugeChartUnits.innerHTML = state.units;
+ state.gaugeChartUnits.style.fontSize = unitfontsize + 'px';
+ state.element_chart.appendChild(state.gaugeChartUnits);
+
+ state.gaugeChartMin = document.createElement('span');
+ state.gaugeChartMin.className = 'gaugeChartMin';
+ state.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartMin);
+
+ state.gaugeChartMax = document.createElement('span');
+ state.gaugeChartMax.className = 'gaugeChartMax';
+ state.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px';
+ state.element_chart.appendChild(state.gaugeChartMax);
+
+ // when we just re-create the chart
+ // do not animate the first update
+ var animate = true;
+ if(typeof state.gauge_instance !== 'undefined')
+ animate = false;
+
+ state.gauge_instance = new Gauge(state.gauge_canvas).setOptions(options); // create sexy gauge!
+
+ state.___gaugeOld__ = {
+ value: value,
+ min: 0,
+ max: max,
+ valueLabel: null,
+ minLabel: null,
+ maxLabel: null
+ };
+
+ // we will always feed a percentage
+ state.gauge_instance.minValue = 0;
+ state.gauge_instance.maxValue = 100;
+
+ NETDATA.gaugeAnimation(state, animate);
+ NETDATA.gaugeSet(state, value, 0, max);
+ NETDATA.gaugeSetLabels(state, value, 0, max);
+ NETDATA.gaugeAnimation(state, true);
+ return true;
+ };
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Charts Libraries Registration
+
+ NETDATA.chartLibraries = {
+ "dygraph": {
+ initialize: NETDATA.dygraphInitialize,
+ create: NETDATA.dygraphChartCreate,
+ update: NETDATA.dygraphChartUpdate,
+ resize: function(state) {
+ if(typeof state.dygraph_instance.resize === 'function')
+ state.dygraph_instance.resize();
+ },
+ setSelection: NETDATA.dygraphSetSelection,
+ clearSelection: NETDATA.dygraphClearSelection,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return 'ms|flip'; },
+ legend: function(state) {
+ if(this.isSparkline(state) === false)
+ return 'right-side';
+ else
+ return null;
+ },
+ autoresize: function(state) { return true; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) {
+ if(this.isSparkline(state) === false)
+ return 3;
+ else
+ return 2;
+ },
+
+ isSparkline: function(state) {
+ if(typeof state.dygraph_sparkline === 'undefined') {
+ var t = $(state.element).data('dygraph-theme');
+ if(t === 'sparkline')
+ state.dygraph_sparkline = true;
+ else
+ state.dygraph_sparkline = false;
+ }
+ return state.dygraph_sparkline;
+ }
+ },
+ "sparkline": {
+ initialize: NETDATA.sparklineInitialize,
+ create: NETDATA.sparklineChartCreate,
+ update: NETDATA.sparklineChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'flip|abs'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "peity": {
+ initialize: NETDATA.peityInitialize,
+ create: NETDATA.peityChartCreate,
+ update: NETDATA.peityChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'ssvcomma'; },
+ options: function(state) { return 'null2zero|flip|abs'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "morris": {
+ initialize: NETDATA.morrisInitialize,
+ create: NETDATA.morrisChartCreate,
+ update: NETDATA.morrisChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return 'objectrows|ms'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 50; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 15; }
+ },
+ "google": {
+ initialize: NETDATA.googleInitialize,
+ create: NETDATA.googleChartCreate,
+ update: NETDATA.googleChartUpdate,
+ resize: null,
+ setSelection: undefined, //function(state, t) { return true; },
+ clearSelection: undefined, //function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'datatable'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 300; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 4; }
+ },
+ "raphael": {
+ initialize: NETDATA.raphaelInitialize,
+ create: NETDATA.raphaelChartCreate,
+ update: NETDATA.raphaelChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "c3": {
+ initialize: NETDATA.c3Initialize,
+ create: NETDATA.c3ChartCreate,
+ update: NETDATA.c3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'csvjsonarray'; },
+ options: function(state) { return 'milliseconds'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 15; }
+ },
+ "d3": {
+ initialize: NETDATA.d3Initialize,
+ create: NETDATA.d3ChartCreate,
+ update: NETDATA.d3ChartUpdate,
+ resize: null,
+ setSelection: undefined, // function(state, t) { return true; },
+ clearSelection: undefined, // function(state) { return true; },
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'json'; },
+ options: function(state) { return ''; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return false; },
+ pixels_per_point: function(state) { return 3; }
+ },
+ "easypiechart": {
+ initialize: NETDATA.easypiechartInitialize,
+ create: NETDATA.easypiechartChartCreate,
+ update: NETDATA.easypiechartChartUpdate,
+ resize: null,
+ setSelection: NETDATA.easypiechartSetSelection,
+ clearSelection: NETDATA.easypiechartClearSelection,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'absolute'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) { return 3; },
+ aspect_ratio: 100
+ },
+ "gauge": {
+ initialize: NETDATA.gaugeInitialize,
+ create: NETDATA.gaugeChartCreate,
+ update: NETDATA.gaugeChartUpdate,
+ resize: null,
+ setSelection: NETDATA.gaugeSetSelection,
+ clearSelection: NETDATA.gaugeClearSelection,
+ initialized: false,
+ enabled: true,
+ format: function(state) { return 'array'; },
+ options: function(state) { return 'absolute'; },
+ legend: function(state) { return null; },
+ autoresize: function(state) { return false; },
+ max_updates_to_recreate: function(state) { return 5000; },
+ track_colors: function(state) { return true; },
+ pixels_per_point: function(state) { return 3; },
+ aspect_ratio: 70
+ }
+ };
+
+ 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;
+ }
+
+ // ----------------------------------------------------------------------------------------------------------------
+ // Start up
+
+ NETDATA.requiredJs = [
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap.min.js',
+ isAlreadyLoaded: function() {
+ if(typeof $().emulateTransitionEnd == 'function')
+ return true;
+ else {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'lib/bootstrap-toggle.min.js',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.requiredCSS = [
+ {
+ url: NETDATA.themes.current.bootstrap_css,
+ isAlreadyLoaded: function() {
+ if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap)
+ return true;
+ else
+ return false;
+ }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/font-awesome.min.css',
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.themes.current.dashboard_css,
+ isAlreadyLoaded: function() { return false; }
+ },
+ {
+ url: NETDATA.serverDefault + 'css/bootstrap-toggle.min.css',
+ isAlreadyLoaded: function() { return false; }
+ }
+ ];
+
+ NETDATA.loadRequiredJs = function(index, callback) {
+ if(index >= NETDATA.requiredJs.length) {
+ if(typeof callback === 'function')
+ callback();
+ return;
+ }
+
+ if(NETDATA.requiredJs[index].isAlreadyLoaded()) {
+ NETDATA.loadRequiredJs(++index, callback);
+ return;
+ }
+
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loading ' + NETDATA.requiredJs[index].url);
+
+ $.ajax({
+ url: NETDATA.requiredJs[index].url,
+ cache: true,
+ dataType: "script"
+ })
+ .success(function() {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('loaded ' + NETDATA.requiredJs[index].url);
+
+ NETDATA.loadRequiredJs(++index, callback);
+ })
+ .fail(function() {
+ alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url);
+ })
+ }
+
+ 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);
+ }
+
+ NETDATA.errorReset();
+ NETDATA.loadRequiredCSS(0);
+
+ NETDATA._loadjQuery(function() {
+ NETDATA.loadRequiredJs(0, function() {
+ if(typeof netdataDontStart === 'undefined' || !netdataDontStart) {
+ if(NETDATA.options.debug.main_loop === true)
+ console.log('starting chart refresh thread');
+
+ NETDATA.start();
+ }
+ });
+ });
+
+ // window.NETDATA = NETDATA;
+// })(window, document);