// 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 = ''; else icon = ''; } else icon = ''; showMessageIcon(icon + ' netdata'); } var showLoading = function() { if(that.chart_created === false) { showMessageIcon(' 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(' 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 += ''; else if(v < series.last) s += ''; else s += ''; } else s += ''; 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 = ' '; 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 = ' '; 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 = '
' 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 = ''; 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);