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Diffstat (limited to 'web/dashboard.js')
| -rwxr-xr-x | web/dashboard.js | 5173 |
1 files changed, 5173 insertions, 0 deletions
diff --git a/web/dashboard.js b/web/dashboard.js new file mode 100755 index 000000000..079209d78 --- /dev/null +++ b/web/dashboard.js @@ -0,0 +1,5173 @@ +// You can set the following variables before loading this script: +// +// var netdataNoDygraphs = true; // do not use dygraph +// var netdataNoSparklines = true; // do not use sparkline +// var netdataNoPeitys = true; // do not use peity +// var netdataNoGoogleCharts = true; // do not use google +// var netdataNoMorris = true; // do not use morris +// var netdataNoEasyPieChart = true; // do not use easy pie chart +// var netdataNoGauge = true; // do not use gauge.js +// var netdataNoD3 = true; // do not use D3 +// var netdataNoC3 = true; // do not use C3 +// var netdataNoBootstrap = true; // do not load bootstrap +// var netdataDontStart = true; // do not start the thread to process the charts +// +// You can also set the default netdata server, using the following. +// When this variable is not set, we assume the page is hosted on your +// netdata server already. +// var netdataServer = "http://yourhost:19999"; // set your NetData server + +//(function(window, document, undefined) { + // fix IE issue with console + if(!window.console){ window.console = {log: function(){} }; } + + // global namespace + var NETDATA = window.NETDATA || {}; + + // ---------------------------------------------------------------------------------------------------------------- + // Detect the netdata server + + // http://stackoverflow.com/questions/984510/what-is-my-script-src-url + // http://stackoverflow.com/questions/6941533/get-protocol-domain-and-port-from-url + NETDATA._scriptSource = function() { + var script = null; + + if(typeof document.currentScript !== 'undefined') { + script = document.currentScript; + } + else { + var all_scripts = document.getElementsByTagName('script'); + script = all_scripts[all_scripts.length - 1]; + } + + if (typeof script.getAttribute.length !== 'undefined') + script = script.src; + else + script = script.getAttribute('src', -1); + + return script; + }; + + if(typeof netdataServer !== 'undefined') + NETDATA.serverDefault = netdataServer; + else { + var s = NETDATA._scriptSource(); + NETDATA.serverDefault = s.replace(/\/dashboard.js(\?.*)*$/g, ""); + } + + if(NETDATA.serverDefault === null) + NETDATA.serverDefault = ''; + else if(NETDATA.serverDefault.slice(-1) !== '/') + NETDATA.serverDefault += '/'; + + // default URLs for all the external files we need + // make them RELATIVE so that the whole thing can also be + // installed under a web server + NETDATA.jQuery = NETDATA.serverDefault + 'lib/jquery-1.12.0.min.js'; + NETDATA.peity_js = NETDATA.serverDefault + 'lib/jquery.peity.min.js'; + NETDATA.sparkline_js = NETDATA.serverDefault + 'lib/jquery.sparkline.min.js'; + NETDATA.easypiechart_js = NETDATA.serverDefault + 'lib/jquery.easypiechart.min.js'; + NETDATA.gauge_js = NETDATA.serverDefault + 'lib/gauge.min.js'; + NETDATA.dygraph_js = NETDATA.serverDefault + 'lib/dygraph-combined.js'; + NETDATA.dygraph_smooth_js = NETDATA.serverDefault + 'lib/dygraph-smooth-plotter.js'; + NETDATA.raphael_js = NETDATA.serverDefault + 'lib/raphael-min.js'; + NETDATA.morris_js = NETDATA.serverDefault + 'lib/morris.min.js'; + NETDATA.d3_js = NETDATA.serverDefault + 'lib/d3.min.js'; + NETDATA.c3_js = NETDATA.serverDefault + 'lib/c3.min.js'; + NETDATA.c3_css = NETDATA.serverDefault + 'css/c3.min.css'; + NETDATA.morris_css = NETDATA.serverDefault + 'css/morris.css'; + NETDATA.google_js = 'https://www.google.com/jsapi'; + + NETDATA.themes = { + default: { + bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.min.css', + dashboard_css: NETDATA.serverDefault + 'dashboard.css', + background: '#FFFFFF', + foreground: '#000000', + grid: '#DDDDDD', + axis: '#CCCCCC', + colors: [ '#3366CC', '#DC3912', '#109618', '#FF9900', '#990099', '#DD4477', + '#3B3EAC', '#66AA00', '#0099C6', '#B82E2E', '#AAAA11', '#5574A6', + '#994499', '#22AA99', '#6633CC', '#E67300', '#316395', '#8B0707', + '#329262', '#3B3EAC' ], + easypiechart_track: '#f0f0f0', + easypiechart_scale: '#dfe0e0', + gauge_pointer: '#C0C0C0', + gauge_stroke: '#F0F0F0', + gauge_gradient: true + }, + slate: { + bootstrap_css: NETDATA.serverDefault + 'css/bootstrap.slate.min.css', + dashboard_css: NETDATA.serverDefault + 'dashboard.slate.css', + background: '#272b30', + foreground: '#C8C8C8', + grid: '#373b40', + axis: '#373b40', +/* colors: [ '#55bb33', '#ff2222', '#0099C6', '#faa11b', '#adbce0', '#DDDD00', + '#4178ba', '#f58122', '#a5cc39', '#f58667', '#f5ef89', '#cf93c0', + '#a5d18a', '#b8539d', '#3954a3', '#c8a9cf', '#c7de8a', '#fad20a', + '#a6a479', '#a66da8' ], +*/ + colors: [ '#66AA00', '#FE3912', '#3366CC', '#D66300', '#0099C6', '#DDDD00', + '#3B3EAC', '#EE9911', '#BB44CC', '#C83E3E', '#990099', '#CC7700', + '#22AA99', '#109618', '#6633CC', '#DD4477', '#316395', '#8B0707', + '#329262', '#3B3EFF' ], + easypiechart_track: '#373b40', + easypiechart_scale: '#373b40', + gauge_pointer: '#474b50', + gauge_stroke: '#373b40', + gauge_gradient: false + } + }; + + if(typeof netdataTheme !== 'undefined' && typeof NETDATA.themes[netdataTheme] !== 'undefined') + NETDATA.themes.current = NETDATA.themes[netdataTheme]; + else + NETDATA.themes.current = NETDATA.themes.default; + + NETDATA.colors = NETDATA.themes.current.colors; + + // these are the colors Google Charts are using + // we have them here to attempt emulate their look and feel on the other chart libraries + // http://there4.io/2012/05/02/google-chart-color-list/ + //NETDATA.colors = [ '#3366CC', '#DC3912', '#FF9900', '#109618', '#990099', '#3B3EAC', '#0099C6', + // '#DD4477', '#66AA00', '#B82E2E', '#316395', '#994499', '#22AA99', '#AAAA11', + // '#6633CC', '#E67300', '#8B0707', '#329262', '#5574A6', '#3B3EAC' ]; + + // an alternative set + // http://www.mulinblog.com/a-color-palette-optimized-for-data-visualization/ + // (blue) (red) (orange) (green) (pink) (brown) (purple) (yellow) (gray) + //NETDATA.colors = [ '#5DA5DA', '#F15854', '#FAA43A', '#60BD68', '#F17CB0', '#B2912F', '#B276B2', '#DECF3F', '#4D4D4D' ]; + + // ---------------------------------------------------------------------------------------------------------------- + // the defaults for all charts + + // if the user does not specify any of these, the following will be used + + NETDATA.chartDefaults = { + host: NETDATA.serverDefault, // the server to get data from + width: '100%', // the chart width - can be null + height: '100%', // the chart height - can be null + min_width: null, // the chart minimum width - can be null + library: 'dygraph', // the graphing library to use + method: 'average', // the grouping method + before: 0, // panning + after: -600, // panning + pixels_per_point: 1, // the detail of the chart + fill_luminance: 0.8 // luminance of colors in solit areas + } + + // ---------------------------------------------------------------------------------------------------------------- + // global options + + NETDATA.options = { + pauseCallback: null, // a callback when we are really paused + + pause: false, // when enabled we don't auto-refresh the charts + + targets: null, // an array of all the state objects that are + // currently active (independently of their + // viewport visibility) + + updated_dom: true, // when true, the DOM has been updated with + // new elements we have to check. + + auto_refresher_fast_weight: 0, // this is the current time in ms, spent + // rendering charts continiously. + // used with .current.fast_render_timeframe + + page_is_visible: true, // when true, this page is visible + + auto_refresher_stop_until: 0, // timestamp in ms - used internaly, to stop the + // auto-refresher for some time (when a chart is + // performing pan or zoom, we need to stop refreshing + // all other charts, to have the maximum speed for + // rendering the chart that is panned or zoomed). + // Used with .current.global_pan_sync_time + + last_resized: new Date().getTime(), // the timestamp of the last resize request + + crossDomainAjax: false, // enable this to request crossDomain AJAX + + last_page_scroll: 0, // the timestamp the last time the page was scrolled + + // the current profile + // we may have many... + current: { + pixels_per_point: 1, // the minimum pixels per point for all charts + // increase this to speed javascript up + // each chart library has its own limit too + // the max of this and the chart library is used + // the final is calculated every time, so a change + // here will have immediate effect on the next chart + // update + + idle_between_charts: 100, // ms - how much time to wait between chart updates + + fast_render_timeframe: 200, // ms - render continously until this time of continious + // rendering has been reached + // this setting is used to make it render e.g. 10 + // charts at once, sleep idle_between_charts time + // and continue for another 10 charts. + + idle_between_loops: 500, // ms - if all charts have been updated, wait this + // time before starting again. + + idle_parallel_loops: 100, // ms - the time between parallel refresher updates + + idle_lost_focus: 500, // ms - when the window does not have focus, check + // if focus has been regained, every this time + + global_pan_sync_time: 1000, // ms - when you pan or zoon a chart, the background + // autorefreshing of charts is paused for this amount + // of time + + sync_selection_delay: 1500, // ms - when you pan or zoom a chart, wait this amount + // of time before setting up synchronized selections + // on hover. + + sync_selection: true, // enable or disable selection sync + + pan_and_zoom_delay: 50, // when panning or zooming, how ofter to update the chart + + sync_pan_and_zoom: true, // enable or disable pan and zoom sync + + pan_and_zoom_data_padding: true, // fetch more data for the master chart when panning or zooming + + update_only_visible: true, // enable or disable visibility management + + parallel_refresher: true, // enable parallel refresh of charts + + concurrent_refreshes: true, // when parallel_refresher is enabled, sync also the charts + + destroy_on_hide: false, // destroy charts when they are not visible + + eliminate_zero_dimensions: true, // do not show dimensions with just zeros + + stop_updates_when_focus_is_lost: true, // boolean - shall we stop auto-refreshes when document does not have user focus + stop_updates_while_resizing: 1000, // ms - time to stop auto-refreshes while resizing the charts + + double_click_speed: 500, // ms - time between clicks / taps to detect double click/tap + + smooth_plot: true, // enable smooth plot, where possible + + charts_selection_animation_delay: 50, // delay to animate charts when syncing selection + + color_fill_opacity_line: 1.0, + color_fill_opacity_area: 0.2, + color_fill_opacity_stacked: 0.8, + + setOptionCallback: function() { ; } + }, + + debug: { + show_boxes: false, + main_loop: false, + focus: false, + visibility: false, + chart_data_url: false, + chart_errors: false, // FIXME + chart_timing: false, + chart_calls: false, + libraries: false, + dygraph: false + } + } + + + // ---------------------------------------------------------------------------------------------------------------- + // local storage options + + NETDATA.localStorage = { + default: {}, + current: {}, + callback: {} // only used for resetting back to defaults + }; + + NETDATA.localStorageGet = function(key, def, callback) { + var ret = def; + + if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') { + NETDATA.localStorage.default[key.toString()] = def; + NETDATA.localStorage.callback[key.toString()] = callback; + } + + if(typeof Storage !== "undefined" && typeof localStorage === 'object') { + try { + // console.log('localStorage: loading "' + key.toString() + '"'); + ret = localStorage.getItem(key.toString()); + if(ret === null || ret === 'undefined') { + // console.log('localStorage: cannot load it, saving "' + key.toString() + '" with value "' + JSON.stringify(def) + '"'); + localStorage.setItem(key.toString(), JSON.stringify(def)); + ret = def; + } + else { + // console.log('localStorage: got "' + key.toString() + '" with value "' + ret + '"'); + ret = JSON.parse(ret); + // console.log('localStorage: loaded "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret)); + } + } + catch(error) { + console.log('localStorage: failed to read "' + key.toString() + '", using default: "' + def.toString() + '"'); + ret = def; + } + } + + if(typeof ret === 'undefined' || ret === 'undefined') { + console.log('localStorage: LOADED UNDEFINED "' + key.toString() + '" as value ' + ret + ' of type ' + typeof(ret)); + ret = def; + } + + NETDATA.localStorage.current[key.toString()] = ret; + return ret; + } + + NETDATA.localStorageSet = function(key, value, callback) { + if(typeof value === 'undefined' || value === 'undefined') { + console.log('localStorage: ATTEMPT TO SET UNDEFINED "' + key.toString() + '" as value ' + value + ' of type ' + typeof(value)); + } + + if(typeof NETDATA.localStorage.default[key.toString()] === 'undefined') { + NETDATA.localStorage.default[key.toString()] = value; + NETDATA.localStorage.current[key.toString()] = value; + NETDATA.localStorage.callback[key.toString()] = callback; + } + + if(typeof Storage !== "undefined" && typeof localStorage === 'object') { + // console.log('localStorage: saving "' + key.toString() + '" with value "' + JSON.stringify(value) + '"'); + try { + localStorage.setItem(key.toString(), JSON.stringify(value)); + } + catch(e) { + console.log('localStorage: failed to save "' + key.toString() + '" with value: "' + value.toString() + '"'); + } + } + + NETDATA.localStorage.current[key.toString()] = value; + return value; + } + + NETDATA.localStorageGetRecursive = function(obj, prefix, callback) { + for(var i in obj) { + if(typeof obj[i] === 'object') { + //console.log('object ' + prefix + '.' + i.toString()); + NETDATA.localStorageGetRecursive(obj[i], prefix + '.' + i.toString(), callback); + continue; + } + + obj[i] = NETDATA.localStorageGet(prefix + '.' + i.toString(), obj[i], callback); + } + } + + NETDATA.setOption = function(key, value) { + if(key.toString() === 'setOptionCallback') { + if(typeof NETDATA.options.current.setOptionCallback === 'function') { + NETDATA.options.current[key.toString()] = value; + NETDATA.options.current.setOptionCallback(); + } + } + else if(NETDATA.options.current[key.toString()] !== value) { + var name = 'options.' + key.toString(); + + if(typeof NETDATA.localStorage.default[name.toString()] === 'undefined') + console.log('localStorage: setOption() on unsaved option: "' + name.toString() + '", value: ' + value); + + //console.log(NETDATA.localStorage); + //console.log('setOption: setting "' + key.toString() + '" to "' + value + '" of type ' + typeof(value) + ' original type ' + typeof(NETDATA.options.current[key.toString()])); + //console.log(NETDATA.options); + NETDATA.options.current[key.toString()] = NETDATA.localStorageSet(name.toString(), value, null); + + if(typeof NETDATA.options.current.setOptionCallback === 'function') + NETDATA.options.current.setOptionCallback(); + } + + return true; + } + + NETDATA.getOption = function(key) { + return NETDATA.options.current[key.toString()]; + } + + // read settings from local storage + NETDATA.localStorageGetRecursive(NETDATA.options.current, 'options', null); + + // always start with this option enabled. + NETDATA.setOption('stop_updates_when_focus_is_lost', true); + + NETDATA.resetOptions = function() { + for(var i in NETDATA.localStorage.default) { + var a = i.split('.'); + + if(a[0] === 'options') { + if(a[1] === 'setOptionCallback') continue; + if(typeof NETDATA.localStorage.default[i] === 'undefined') continue; + if(NETDATA.options.current[i] === NETDATA.localStorage.default[i]) continue; + + NETDATA.setOption(a[1], NETDATA.localStorage.default[i]); + } + else if(a[0] === 'chart_heights') { + if(typeof NETDATA.localStorage.callback[i] === 'function' && typeof NETDATA.localStorage.default[i] !== 'undefined') { + NETDATA.localStorage.callback[i](NETDATA.localStorage.default[i]); + } + } + } + } + + // ---------------------------------------------------------------------------------------------------------------- + + if(NETDATA.options.debug.main_loop === true) + console.log('welcome to NETDATA'); + + NETDATA.onresize = function() { + NETDATA.options.last_resized = new Date().getTime(); + NETDATA.onscroll(); + }; + + NETDATA.onscroll = function() { + // console.log('onscroll'); + + NETDATA.options.last_page_scroll = new Date().getTime(); + if(NETDATA.options.targets === null) return; + + // when the user scrolls he sees that we have + // hidden all the not-visible charts + // using this little function we try to switch + // the charts back to visible quickly + var targets = NETDATA.options.targets; + var len = targets.length; + while(len--) targets[len].isVisible(); + }; + + window.onresize = NETDATA.onresize; + window.onscroll = NETDATA.onscroll; + + // ---------------------------------------------------------------------------------------------------------------- + // Error Handling + + NETDATA.errorCodes = { + 100: { message: "Cannot load chart library", alert: true }, + 101: { message: "Cannot load jQuery", alert: true }, + 402: { message: "Chart library not found", alert: false }, + 403: { message: "Chart library not enabled/is failed", alert: false }, + 404: { message: "Chart not found", alert: false } + }; + NETDATA.errorLast = { + code: 0, + message: "", + datetime: 0 + }; + + NETDATA.error = function(code, msg) { + NETDATA.errorLast.code = code; + NETDATA.errorLast.message = msg; + NETDATA.errorLast.datetime = new Date().getTime(); + + console.log("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg); + + if(NETDATA.errorCodes[code].alert) + alert("ERROR " + code + ": " + NETDATA.errorCodes[code].message + ": " + msg); + } + + NETDATA.errorReset = function() { + NETDATA.errorLast.code = 0; + NETDATA.errorLast.message = "You are doing fine!"; + NETDATA.errorLast.datetime = 0; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // Chart Registry + + // When multiple charts need the same chart, we avoid downloading it + // multiple times (and having it in browser memory multiple time) + // by using this registry. + + // Every time we download a chart definition, we save it here with .add() + // Then we try to get it back with .get(). If that fails, we download it. + + NETDATA.chartRegistry = { + charts: {}, + + fixid: function(id) { + return id.replace(/:/g, "_").replace(/\//g, "_"); + }, + + add: function(host, id, data) { + host = this.fixid(host); + id = this.fixid(id); + + if(typeof this.charts[host] === 'undefined') + this.charts[host] = {}; + + //console.log('added ' + host + '/' + id); + this.charts[host][id] = data; + }, + + get: function(host, id) { + host = this.fixid(host); + id = this.fixid(id); + + if(typeof this.charts[host] === 'undefined') + return null; + + if(typeof this.charts[host][id] === 'undefined') + return null; + + //console.log('cached ' + host + '/' + id); + return this.charts[host][id]; + }, + + downloadAll: function(host, callback) { + while(host.slice(-1) === '/') + host = host.substring(0, host.length - 1); + + var self = this; + + $.ajax({ + url: host + '/api/v1/charts', + crossDomain: NETDATA.options.crossDomainAjax, + async: true, + cache: false + }) + .done(function(data) { + var h = NETDATA.chartRegistry.fixid(host); + //console.log('downloaded all charts from ' + host + ' (' + h + ')'); + self.charts[h] = data.charts; + if(typeof callback === 'function') + callback(data); + }) + .fail(function() { + if(typeof callback === 'function') + callback(null); + }); + } + }; + + // ---------------------------------------------------------------------------------------------------------------- + // Global Pan and Zoom on charts + + // Using this structure are synchronize all the charts, so that + // when you pan or zoom one, all others are automatically refreshed + // to the same timespan. + + NETDATA.globalPanAndZoom = { + seq: 0, // timestamp ms + // every time a chart is panned or zoomed + // we set the timestamp here + // then we use it as a sequence number + // to find if other charts are syncronized + // to this timerange + + master: null, // the master chart (state), to which all others + // are synchronized + + force_before_ms: null, // the timespan to sync all other charts + force_after_ms: null, + + // set a new master + setMaster: function(state, after, before) { + if(NETDATA.options.current.sync_pan_and_zoom === false) + return; + + if(this.master !== null && this.master !== state) + this.master.resetChart(true, true); + + var now = new Date().getTime(); + this.master = state; + this.seq = now; + this.force_after_ms = after; + this.force_before_ms = before; + NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.global_pan_sync_time; + }, + + // clear the master + clearMaster: function() { + if(this.master !== null) { + var st = this.master; + this.master = null; + st.resetChart(); + } + + this.master = null; + this.seq = 0; + this.force_after_ms = null; + this.force_before_ms = null; + NETDATA.options.auto_refresher_stop_until = 0; + }, + + // is the given state the master of the global + // pan and zoom sync? + isMaster: function(state) { + if(this.master === state) return true; + return false; + }, + + // are we currently have a global pan and zoom sync? + isActive: function() { + if(this.master !== null && this.force_before_ms !== null && this.force_after_ms !== null && this.seq !== 0) return true; + return false; + }, + + // check if a chart, other than the master + // needs to be refreshed, due to the global pan and zoom + shouldBeAutoRefreshed: function(state) { + if(this.master === null || this.seq === 0) + return false; + + //if(state.needsRecreation()) + // return true; + + if(state.tm.pan_and_zoom_seq === this.seq) + return false; + + return true; + } + } + + // ---------------------------------------------------------------------------------------------------------------- + // dimensions selection + + // FIXME + // move color assignment to dimensions, here + + dimensionStatus = function(parent, label, name_div, value_div, color) { + this.enabled = false; + this.parent = parent; + this.label = label; + this.name_div = null; + this.value_div = null; + this.color = NETDATA.themes.current.foreground; + + if(parent.selected === parent.unselected) + this.selected = true; + else + this.selected = false; + + this.setOptions(name_div, value_div, color); + } + + dimensionStatus.prototype.invalidate = function() { + this.name_div = null; + this.value_div = null; + this.enabled = false; + } + + dimensionStatus.prototype.setOptions = function(name_div, value_div, color) { + this.color = color; + + if(this.name_div != name_div) { + this.name_div = name_div; + this.name_div.title = this.label; + this.name_div.style.color = this.color; + if(this.selected === false) + this.name_div.className = 'netdata-legend-name not-selected'; + else + this.name_div.className = 'netdata-legend-name selected'; + } + + if(this.value_div != value_div) { + this.value_div = value_div; + this.value_div.title = this.label; + this.value_div.style.color = this.color; + if(this.selected === false) + this.value_div.className = 'netdata-legend-value not-selected'; + else + this.value_div.className = 'netdata-legend-value selected'; + } + + this.enabled = true; + this.setHandler(); + } + + dimensionStatus.prototype.setHandler = function() { + if(this.enabled === false) return; + + var ds = this; + + // this.name_div.onmousedown = this.value_div.onmousedown = function(e) { + this.name_div.onclick = this.value_div.onclick = function(e) { + e.preventDefault(); + if(ds.isSelected()) { + // this is selected + if(e.shiftKey === true || e.ctrlKey === true) { + // control or shift key is pressed -> unselect this (except is none will remain selected, in which case select all) + ds.unselect(); + + if(ds.parent.countSelected() === 0) + ds.parent.selectAll(); + } + else { + // no key is pressed -> select only this (except if it is the only selected already, in which case select all) + if(ds.parent.countSelected() === 1) { + ds.parent.selectAll(); + } + else { + ds.parent.selectNone(); + ds.select(); + } + } + } + else { + // this is not selected + if(e.shiftKey === true || e.ctrlKey === true) { + // control or shift key is pressed -> select this too + ds.select(); + } + else { + // no key is pressed -> select only this + ds.parent.selectNone(); + ds.select(); + } + } + + ds.parent.state.redrawChart(); + } + } + + dimensionStatus.prototype.select = function() { + if(this.enabled === false) return; + + this.name_div.className = 'netdata-legend-name selected'; + this.value_div.className = 'netdata-legend-value selected'; + this.selected = true; + } + + dimensionStatus.prototype.unselect = function() { + if(this.enabled === false) return; + + this.name_div.className = 'netdata-legend-name not-selected'; + this.value_div.className = 'netdata-legend-value hidden'; + this.selected = false; + } + + dimensionStatus.prototype.isSelected = function() { + return(this.enabled === true && this.selected === true); + } + + // ---------------------------------------------------------------------------------------------------------------- + + dimensionsVisibility = function(state) { + this.state = state; + this.len = 0; + this.dimensions = {}; + this.selected_count = 0; + this.unselected_count = 0; + } + + dimensionsVisibility.prototype.dimensionAdd = function(label, name_div, value_div, color) { + if(typeof this.dimensions[label] === 'undefined') { + this.len++; + this.dimensions[label] = new dimensionStatus(this, label, name_div, value_div, color); + } + else + this.dimensions[label].setOptions(name_div, value_div, color); + + return this.dimensions[label]; + } + + dimensionsVisibility.prototype.dimensionGet = function(label) { + return this.dimensions[label]; + } + + dimensionsVisibility.prototype.invalidateAll = function() { + for(var d in this.dimensions) + this.dimensions[d].invalidate(); + } + + dimensionsVisibility.prototype.selectAll = function() { + for(var d in this.dimensions) + this.dimensions[d].select(); + } + + dimensionsVisibility.prototype.countSelected = function() { + var i = 0; + for(var d in this.dimensions) + if(this.dimensions[d].isSelected()) i++; + + return i; + } + + dimensionsVisibility.prototype.selectNone = function() { + for(var d in this.dimensions) + this.dimensions[d].unselect(); + } + + dimensionsVisibility.prototype.selected2BooleanArray = function(array) { + var ret = new Array(); + this.selected_count = 0; + this.unselected_count = 0; + + for(var i = 0, len = array.length; i < len ; i++) { + var ds = this.dimensions[array[i]]; + if(typeof ds === 'undefined') { + // console.log(array[i] + ' is not found'); + ret.push(false); + continue; + } + + if(ds.isSelected()) { + ret.push(true); + this.selected_count++; + } + else { + ret.push(false); + this.unselected_count++; + } + } + + if(this.selected_count === 0 && this.unselected_count !== 0) { + this.selectAll(); + return this.selected2BooleanArray(array); + } + + return ret; + } + + + // ---------------------------------------------------------------------------------------------------------------- + // global selection sync + + NETDATA.globalSelectionSync = { + state: null, + dont_sync_before: 0, + last_t: 0, + slaves: [], + + stop: function() { + if(this.state !== null) + this.state.globalSelectionSyncStop(); + }, + + delay: function() { + if(this.state !== null) { + this.state.globalSelectionSyncDelay(); + } + } + }; + + // ---------------------------------------------------------------------------------------------------------------- + // Our state object, where all per-chart values are stored + + chartState = function(element) { + var self = $(element); + this.element = element; + + // IMPORTANT: + // all private functions should use 'that', instead of 'this' + var that = this; + + /* error() - private + * show an error instead of the chart + */ + var error = function(msg) { + that.element.innerHTML = that.id + ': ' + msg; + that.enabled = false; + that.current = that.pan; + } + + // GUID - a unique identifier for the chart + this.uuid = NETDATA.guid(); + + // string - the name of chart + this.id = self.data('netdata'); + + // string - the key for localStorage settings + this.settings_id = self.data('id') || null; + + // the user given dimensions of the element + this.width = self.data('width') || NETDATA.chartDefaults.width; + this.height = self.data('height') || NETDATA.chartDefaults.height; + + if(this.settings_id !== null) { + this.height = NETDATA.localStorageGet('chart_heights.' + this.settings_id, this.height, function(height) { + // this is the callback that will be called + // if and when the user resets all localStorage variables + // to their defaults + + resizeChartToHeight(height); + }); + } + + // string - the netdata server URL, without any path + this.host = self.data('host') || NETDATA.chartDefaults.host; + + // make sure the host does not end with / + // all netdata API requests use absolute paths + while(this.host.slice(-1) === '/') + this.host = this.host.substring(0, this.host.length - 1); + + // string - the grouping method requested by the user + this.method = self.data('method') || NETDATA.chartDefaults.method; + + // the time-range requested by the user + this.after = self.data('after') || NETDATA.chartDefaults.after; + this.before = self.data('before') || NETDATA.chartDefaults.before; + + // the pixels per point requested by the user + this.pixels_per_point = self.data('pixels-per-point') || 1; + this.points = self.data('points') || null; + + // the dimensions requested by the user + this.dimensions = self.data('dimensions') || null; + + // the chart library requested by the user + this.library_name = self.data('chart-library') || NETDATA.chartDefaults.library; + + // object - the chart library used + this.library = null; + + // color management + this.colors = null; + this.colors_assigned = {}; + this.colors_available = null; + + // the element already created by the user + this.element_message = null; + + // the element with the chart + this.element_chart = null; + + // the element with the legend of the chart (if created by us) + this.element_legend = null; + this.element_legend_childs = { + hidden: null, + title_date: null, + title_time: null, + title_units: null, + nano: null, + nano_options: null, + series: null + }; + + this.chart_url = null; // string - the url to download chart info + this.chart = null; // object - the chart as downloaded from the server + + this.title = self.data('title') || null; // the title of the chart + this.units = self.data('units') || null; // the units of the chart dimensions + this.append_options = self.data('append-options') || null; // the units of the chart dimensions + + this.validated = false; // boolean - has the chart been validated? + this.enabled = true; // boolean - is the chart enabled for refresh? + this.paused = false; // boolean - is the chart paused for any reason? + this.selected = false; // boolean - is the chart shown a selection? + this.debug = false; // boolean - console.log() debug info about this chart + + this.netdata_first = 0; // milliseconds - the first timestamp in netdata + this.netdata_last = 0; // milliseconds - the last timestamp in netdata + this.requested_after = null; // milliseconds - the timestamp of the request after param + this.requested_before = null; // milliseconds - the timestamp of the request before param + this.requested_padding = null; + this.view_after = 0; + this.view_before = 0; + + this.auto = { + name: 'auto', + autorefresh: true, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + this.pan = { + name: 'pan', + autorefresh: false, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + this.zoom = { + name: 'zoom', + autorefresh: false, + force_update_at: 0, // the timestamp to force the update at + force_before_ms: null, + force_after_ms: null + }; + + // this is a pointer to one of the sub-classes below + // auto, pan, zoom + this.current = this.auto; + + // check the requested library is available + // we don't initialize it here - it will be initialized when + // this chart will be first used + if(typeof NETDATA.chartLibraries[that.library_name] === 'undefined') { + NETDATA.error(402, that.library_name); + error('chart library "' + that.library_name + '" is not found'); + return; + } + else if(NETDATA.chartLibraries[that.library_name].enabled === false) { + NETDATA.error(403, that.library_name); + error('chart library "' + that.library_name + '" is not enabled'); + return; + } + else + that.library = NETDATA.chartLibraries[that.library_name]; + + // milliseconds - the time the last refresh took + this.refresh_dt_ms = 0; + + // if we need to report the rendering speed + // find the element that needs to be updated + var refresh_dt_element_name = self.data('dt-element-name') || null; // string - the element to print refresh_dt_ms + + if(refresh_dt_element_name !== null) + this.refresh_dt_element = document.getElementById(refresh_dt_element_name) || null; + else + this.refresh_dt_element = null; + + this.dimensions_visibility = new dimensionsVisibility(this); + + this._updating = false; + + // ============================================================================================================ + // PRIVATE FUNCTIONS + + var createDOM = function() { + if(that.enabled === false) return; + + if(that.element_message !== null) that.element_message.innerHTML = ''; + if(that.element_legend !== null) that.element_legend.innerHTML = ''; + if(that.element_chart !== null) that.element_chart.innerHTML = ''; + + that.element.innerHTML = ''; + + that.element_message = document.createElement('div'); + that.element_message.className = ' netdata-message hidden'; + that.element.appendChild(that.element_message); + + that.element_chart = document.createElement('div'); + that.element_chart.id = that.library_name + '-' + that.uuid + '-chart'; + that.element.appendChild(that.element_chart); + + if(that.hasLegend() === true) { + that.element.className = "netdata-container-with-legend"; + that.element_chart.className = 'netdata-chart-with-legend-right netdata-' + that.library_name + '-chart-with-legend-right'; + + that.element_legend = document.createElement('div'); + that.element_legend.className = 'netdata-chart-legend netdata-' + that.library_name + '-legend'; + that.element.appendChild(that.element_legend); + } + else { + that.element.className = "netdata-container"; + that.element_chart.className = ' netdata-chart netdata-' + that.library_name + '-chart'; + + that.element_legend = null; + } + that.element_legend_childs.series = null; + + if(typeof(that.width) === 'string') + $(that.element).css('width', that.width); + else if(typeof(that.width) === 'number') + $(that.element).css('width', that.width + 'px'); + + if(typeof(that.library.aspect_ratio) === 'undefined') { + if(typeof(that.height) === 'string') + $(that.element).css('height', that.height); + else if(typeof(that.height) === 'number') + $(that.element).css('height', that.height + 'px'); + } + else { + var w = that.element.offsetWidth; + if(w === null || w === 0) { + // the div is hidden + // this is resize the chart when next viewed + that.tm.last_resized = 0; + } + else + $(that.element).css('height', (that.element.offsetWidth * that.library.aspect_ratio / 100).toString() + 'px'); + } + + if(NETDATA.chartDefaults.min_width !== null) + $(that.element).css('min-width', NETDATA.chartDefaults.min_width); + + that.tm.last_dom_created = new Date().getTime(); + + showLoading(); + } + + /* init() private + * initialize state viariables + * destroy all (possibly) created state elements + * create the basic DOM for a chart + */ + var init = function() { + if(that.enabled === false) return; + + that.paused = false; + that.selected = false; + + that.chart_created = false; // boolean - is the library.create() been called? + that.updates_counter = 0; // numeric - the number of refreshes made so far + that.updates_since_last_unhide = 0; // numeric - the number of refreshes made since the last time the chart was unhidden + that.updates_since_last_creation = 0; // numeric - the number of refreshes made since the last time the chart was created + + that.tm = { + last_initialized: 0, // milliseconds - the timestamp it was last initialized + last_dom_created: 0, // milliseconds - the timestamp its DOM was last created + last_mode_switch: 0, // milliseconds - the timestamp it switched modes + + last_info_downloaded: 0, // milliseconds - the timestamp we downloaded the chart + last_updated: 0, // the timestamp the chart last updated with data + pan_and_zoom_seq: 0, // the sequence number of the global synchronization + // between chart. + // Used with NETDATA.globalPanAndZoom.seq + last_visible_check: 0, // the time we last checked if it is visible + last_resized: 0, // the time the chart was resized + last_hidden: 0, // the time the chart was hidden + last_unhidden: 0, // the time the chart was unhidden + last_autorefreshed: 0 // the time the chart was last refreshed + }, + + that.data = null; // the last data as downloaded from the netdata server + that.data_url = 'invalid://'; // string - the last url used to update the chart + that.data_points = 0; // number - the number of points returned from netdata + that.data_after = 0; // milliseconds - the first timestamp of the data + that.data_before = 0; // milliseconds - the last timestamp of the data + that.data_update_every = 0; // milliseconds - the frequency to update the data + + that.tm.last_initialized = new Date().getTime(); + createDOM(); + + that.setMode('auto'); + } + + var maxMessageFontSize = function() { + // normally we want a font size, as tall as the element + var h = that.element_message.clientHeight; + + // but give it some air, 20% let's say, or 5 pixels min + var lost = Math.max(h * 0.2, 5); + h -= lost; + + // center the text, verically + var paddingTop = (lost - 5) / 2; + + // but check the width too + // it should fit 10 characters in it + var w = that.element_message.clientWidth / 10; + if(h > w) { + paddingTop += (h - w) / 2; + h = w; + } + + // and don't make it too huge + // 5% of the screen size is good + if(h > screen.height / 20) { + paddingTop += (h - (screen.height / 20)) / 2; + h = screen.height / 20; + } + + // set it + that.element_message.style.fontSize = h.toString() + 'px'; + that.element_message.style.paddingTop = paddingTop.toString() + 'px'; + } + + var showMessage = function(msg) { + that.element_message.className = 'netdata-message'; + that.element_message.innerHTML = msg; + this.element_message.style.fontSize = 'x-small'; + that.element_message.style.paddingTop = '0px'; + that.___messageHidden___ = undefined; + } + + var showMessageIcon = function(icon) { + that.element_message.innerHTML = icon; + that.element_message.className = 'netdata-message icon'; + maxMessageFontSize(); + that.___messageHidden___ = undefined; + } + + var hideMessage = function() { + if(typeof that.___messageHidden___ === 'undefined') { + that.___messageHidden___ = true; + that.element_message.className = 'netdata-message hidden'; + } + } + + var showRendering = function() { + var icon; + if(that.chart !== null) { + if(that.chart.chart_type === 'line') + icon = '<i class="fa fa-line-chart"></i>'; + else + icon = '<i class="fa fa-area-chart"></i>'; + } + else + icon = '<i class="fa fa-area-chart"></i>'; + + showMessageIcon(icon + ' netdata'); + } + + var showLoading = function() { + if(that.chart_created === false) { + showMessageIcon('<i class="fa fa-refresh"></i> netdata'); + return true; + } + return false; + } + + var isHidden = function() { + if(typeof that.___chartIsHidden___ !== 'undefined') + return true; + + return false; + } + + // hide the chart, when it is not visible - called from isVisible() + var hideChart = function() { + // hide it, if it is not already hidden + if(isHidden() === true) return; + + if(that.chart_created === true) { + // we should destroy it + if(NETDATA.options.current.destroy_on_hide === true) { + init(); + } + else { + showRendering(); + that.element_chart.style.display = 'none'; + if(that.element_legend !== null) that.element_legend.style.display = 'none'; + that.tm.last_hidden = new Date().getTime(); + } + } + + that.___chartIsHidden___ = true; + } + + // unhide the chart, when it is visible - called from isVisible() + var unhideChart = function() { + if(isHidden() === false) return; + + that.___chartIsHidden___ = undefined; + that.updates_since_last_unhide = 0; + + if(that.chart_created === false) { + // we need to re-initialize it, to show our background + // logo in bootstrap tabs, until the chart loads + init(); + } + else { + that.tm.last_unhidden = new Date().getTime(); + that.element_chart.style.display = ''; + if(that.element_legend !== null) that.element_legend.style.display = ''; + resizeChart(); + hideMessage(); + } + } + + var canBeRendered = function() { + if(isHidden() === true || that.isVisible(true) === false) + return false; + + return true; + } + + // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers + var callChartLibraryUpdateSafely = function(data) { + var status; + + if(canBeRendered() === false) + return false; + + if(NETDATA.options.debug.chart_errors === true) + status = that.library.update(that, data); + else { + try { + status = that.library.update(that, data); + } + catch(err) { + status = false; + } + } + + if(status === false) { + error('chart failed to be updated as ' + that.library_name); + return false; + } + + return true; + } + + // https://github.com/petkaantonov/bluebird/wiki/Optimization-killers + var callChartLibraryCreateSafely = function(data) { + var status; + + if(canBeRendered() === false) + return false; + + if(NETDATA.options.debug.chart_errors === true) + status = that.library.create(that, data); + else { + try { + status = that.library.create(that, data); + } + catch(err) { + status = false; + } + } + + if(status === false) { + error('chart failed to be created as ' + that.library_name); + return false; + } + + that.chart_created = true; + that.updates_since_last_creation = 0; + return true; + } + + // ---------------------------------------------------------------------------------------------------------------- + // Chart Resize + + // resizeChart() - private + // to be called just before the chart library to make sure that + // a properly sized dom is available + var resizeChart = function() { + if(that.isVisible() === true && that.tm.last_resized < NETDATA.options.last_resized) { + if(that.chart_created === false) return; + + if(that.needsRecreation()) { + init(); + } + else if(typeof that.library.resize === 'function') { + that.library.resize(that); + + if(that.element_legend_childs.nano !== null && that.element_legend_childs.nano_options !== null) + $(that.element_legend_childs.nano).nanoScroller(); + + maxMessageFontSize(); + } + + that.tm.last_resized = new Date().getTime(); + } + } + + // this is the actual chart resize algorithm + // it will: + // - resize the entire container + // - update the internal states + // - resize the chart as the div changes height + // - update the scrollbar of the legend + var resizeChartToHeight = function(h) { + // console.log(h); + that.element.style.height = h; + + if(that.settings_id !== null) + NETDATA.localStorageSet('chart_heights.' + that.settings_id, h); + + var now = new Date().getTime(); + NETDATA.options.last_page_scroll = now; + NETDATA.options.auto_refresher_stop_until = now + NETDATA.options.current.stop_updates_while_resizing; + + // force a resize + that.tm.last_resized = 0; + resizeChart(); + }; + + this.resizeHandler = function(e) { + e.preventDefault(); + + if(typeof this.event_resize === 'undefined' + || this.event_resize.chart_original_w === 'undefined' + || this.event_resize.chart_original_h === 'undefined') + this.event_resize = { + chart_original_w: this.element.clientWidth, + chart_original_h: this.element.clientHeight, + last: 0 + }; + + if(e.type === 'touchstart') { + this.event_resize.mouse_start_x = e.touches.item(0).pageX; + this.event_resize.mouse_start_y = e.touches.item(0).pageY; + } + else { + this.event_resize.mouse_start_x = e.clientX; + this.event_resize.mouse_start_y = e.clientY; + } + + this.event_resize.chart_start_w = this.element.clientWidth; + this.event_resize.chart_start_h = this.element.clientHeight; + this.event_resize.chart_last_w = this.element.clientWidth; + this.event_resize.chart_last_h = this.element.clientHeight; + + var now = new Date().getTime(); + if(now - this.event_resize.last <= NETDATA.options.current.double_click_speed) { + // double click / double tap event + + // the optimal height of the chart + // showing the entire legend + var optimal = this.event_resize.chart_last_h + + this.element_legend_childs.content.scrollHeight + - this.element_legend_childs.content.clientHeight; + + // if we are not optimal, be optimal + if(this.event_resize.chart_last_h != optimal) + resizeChartToHeight(optimal.toString() + 'px'); + + // else if we do not have the original height + // reset to the original height + else if(this.event_resize.chart_last_h != this.event_resize.chart_original_h) + resizeChartToHeight(this.event_resize.chart_original_h.toString() + 'px'); + } + else { + this.event_resize.last = now; + + // process movement event + document.onmousemove = + document.ontouchmove = + this.element_legend_childs.resize_handler.onmousemove = + this.element_legend_childs.resize_handler.ontouchmove = + function(e) { + var y = null; + + switch(e.type) { + case 'mousemove': y = e.clientY; break; + case 'touchmove': y = e.touches.item(e.touches - 1).pageY; break; + } + + if(y !== null) { + var newH = that.event_resize.chart_start_h + y - that.event_resize.mouse_start_y; + + if(newH >= 70 && newH !== that.event_resize.chart_last_h) { + resizeChartToHeight(newH.toString() + 'px'); + that.event_resize.chart_last_h = newH; + } + } + }; + + // process end event + document.onmouseup = + document.ontouchend = + this.element_legend_childs.resize_handler.onmouseup = + this.element_legend_childs.resize_handler.ontouchend = + function(e) { + // remove all the hooks + document.onmouseup = + document.onmousemove = + document.ontouchmove = + document.ontouchend = + that.element_legend_childs.resize_handler.onmousemove = + that.element_legend_childs.resize_handler.ontouchmove = + that.element_legend_childs.resize_handler.onmouseout = + that.element_legend_childs.resize_handler.onmouseup = + that.element_legend_childs.resize_handler.ontouchend = + null; + + // allow auto-refreshes + NETDATA.options.auto_refresher_stop_until = 0; + }; + } + } + + + var noDataToShow = function() { + showMessageIcon('<i class="fa fa-warning"></i> empty'); + that.legendUpdateDOM(); + that.tm.last_autorefreshed = new Date().getTime(); + // that.data_update_every = 30 * 1000; + //that.element_chart.style.display = 'none'; + //if(that.element_legend !== null) that.element_legend.style.display = 'none'; + //that.___chartIsHidden___ = true; + } + + // ============================================================================================================ + // PUBLIC FUNCTIONS + + this.error = function(msg) { + error(msg); + } + + this.setMode = function(m) { + if(this.current !== null && this.current.name === m) return; + + if(m === 'auto') + this.current = this.auto; + else if(m === 'pan') + this.current = this.pan; + else if(m === 'zoom') + this.current = this.zoom; + else + this.current = this.auto; + + this.current.force_update_at = 0; + this.current.force_before_ms = null; + this.current.force_after_ms = null; + + this.tm.last_mode_switch = new Date().getTime(); + } + + // ---------------------------------------------------------------------------------------------------------------- + // global selection sync + + // prevent to global selection sync for some time + this.globalSelectionSyncDelay = function(ms) { + if(NETDATA.options.current.sync_selection === false) + return; + + if(typeof ms === 'number') + NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + ms; + else + NETDATA.globalSelectionSync.dont_sync_before = new Date().getTime() + NETDATA.options.current.sync_selection_delay; + } + + // can we globally apply selection sync? + this.globalSelectionSyncAbility = function() { + if(NETDATA.options.current.sync_selection === false) + return false; + + if(NETDATA.globalSelectionSync.dont_sync_before > new Date().getTime()) + return false; + + return true; + } + + this.globalSelectionSyncIsMaster = function() { + if(NETDATA.globalSelectionSync.state === this) + return true; + else + return false; + } + + // this chart is the master of the global selection sync + this.globalSelectionSyncBeMaster = function() { + // am I the master? + if(this.globalSelectionSyncIsMaster()) { + if(this.debug === true) + this.log('sync: I am the master already.'); + + return; + } + + if(NETDATA.globalSelectionSync.state) { + if(this.debug === true) + this.log('sync: I am not the sync master. Resetting global sync.'); + + this.globalSelectionSyncStop(); + } + + // become the master + if(this.debug === true) + this.log('sync: becoming sync master.'); + + this.selected = true; + NETDATA.globalSelectionSync.state = this; + + // find the all slaves + var targets = NETDATA.options.targets; + var len = targets.length; + while(len--) { + st = targets[len]; + + if(st === this) { + if(this.debug === true) + st.log('sync: not adding me to sync'); + } + else if(st.globalSelectionSyncIsEligible()) { + if(this.debug === true) + st.log('sync: adding to sync as slave'); + + st.globalSelectionSyncBeSlave(); + } + } + + // this.globalSelectionSyncDelay(100); + } + + // can the chart participate to the global selection sync as a slave? + this.globalSelectionSyncIsEligible = function() { + if(this.enabled === true + && this.library !== null + && typeof this.library.setSelection === 'function' + && this.isVisible() === true + && this.chart_created === true) + return true; + + return false; + } + + // this chart becomes a slave of the global selection sync + this.globalSelectionSyncBeSlave = function() { + if(NETDATA.globalSelectionSync.state !== this) + NETDATA.globalSelectionSync.slaves.push(this); + } + + // sync all the visible charts to the given time + // this is to be called from the chart libraries + this.globalSelectionSync = function(t) { + if(this.globalSelectionSyncAbility() === false) { + if(this.debug === true) + this.log('sync: cannot sync (yet?).'); + + return; + } + + if(this.globalSelectionSyncIsMaster() === false) { + if(this.debug === true) + this.log('sync: trying to be sync master.'); + + this.globalSelectionSyncBeMaster(); + + if(this.globalSelectionSyncAbility() === false) { + if(this.debug === true) + this.log('sync: cannot sync (yet?).'); + + return; + } + } + + NETDATA.globalSelectionSync.last_t = t; + $.each(NETDATA.globalSelectionSync.slaves, function(i, st) { + st.setSelection(t); + }); + } + + // stop syncing all charts to the given time + this.globalSelectionSyncStop = function() { + if(NETDATA.globalSelectionSync.slaves.length) { + if(this.debug === true) + this.log('sync: cleaning up...'); + + $.each(NETDATA.globalSelectionSync.slaves, function(i, st) { + if(st === that) { + if(that.debug === true) + st.log('sync: not adding me to sync stop'); + } + else { + if(that.debug === true) + st.log('sync: removed slave from sync'); + + st.clearSelection(); + } + }); + + NETDATA.globalSelectionSync.last_t = 0; + NETDATA.globalSelectionSync.slaves = []; + NETDATA.globalSelectionSync.state = null; + } + + this.clearSelection(); + } + + this.setSelection = function(t) { + if(typeof this.library.setSelection === 'function') { + if(this.library.setSelection(this, t) === true) + this.selected = true; + else + this.selected = false; + } + else this.selected = true; + + if(this.selected === true && this.debug === true) + this.log('selection set to ' + t.toString()); + + return this.selected; + } + + this.clearSelection = function() { + if(this.selected === true) { + if(typeof this.library.clearSelection === 'function') { + if(this.library.clearSelection(this) === true) + this.selected = false; + else + this.selected = true; + } + else this.selected = false; + + if(this.selected === false && this.debug === true) + this.log('selection cleared'); + + this.legendReset(); + } + + return this.selected; + } + + // find if a timestamp (ms) is shown in the current chart + this.timeIsVisible = function(t) { + if(t >= this.data_after && t <= this.data_before) + return true; + return false; + }, + + this.calculateRowForTime = function(t) { + if(this.timeIsVisible(t) === false) return -1; + return Math.floor((t - this.data_after) / this.data_update_every); + } + + // ---------------------------------------------------------------------------------------------------------------- + + // console logging + this.log = function(msg) { + console.log(this.id + ' (' + this.library_name + ' ' + this.uuid + '): ' + msg); + } + + this.pauseChart = function() { + if(this.paused === false) { + if(this.debug === true) + this.log('pauseChart()'); + + this.paused = true; + } + } + + this.unpauseChart = function() { + if(this.paused === true) { + if(this.debug === true) + this.log('unpauseChart()'); + + this.paused = false; + } + } + + this.resetChart = function(dont_clear_master, dont_update) { + if(this.debug === true) + this.log('resetChart(' + dont_clear_master + ', ' + dont_update + ') called'); + + if(typeof dont_clear_master === 'undefined') + dont_clear_master = false; + + if(typeof dont_update === 'undefined') + dont_update = false; + + if(dont_clear_master !== true && NETDATA.globalPanAndZoom.isMaster(this) === true) { + if(this.debug === true) + this.log('resetChart() diverting to clearMaster().'); + // this will call us back with master === true + NETDATA.globalPanAndZoom.clearMaster(); + return; + } + + this.clearSelection(); + + this.tm.pan_and_zoom_seq = 0; + + this.setMode('auto'); + this.current.force_update_at = 0; + this.current.force_before_ms = null; + this.current.force_after_ms = null; + this.tm.last_autorefreshed = 0; + this.paused = false; + this.selected = false; + this.enabled = true; + // this.debug = false; + + // do not update the chart here + // or the chart will flip-flop when it is the master + // of a selection sync and another chart becomes + // the new master + + if(dont_update !== true && this.isVisible() === true) { + this.updateChart(); + } + } + + this.updateChartPanOrZoom = function(after, before) { + var logme = 'updateChartPanOrZoom(' + after + ', ' + before + '): '; + var ret = true; + + if(this.debug === true) + this.log(logme); + + if(before < after) { + this.log(logme + 'flipped parameters, rejecting it.'); + return false; + } + + if(typeof this.fixed_min_duration === 'undefined') + this.fixed_min_duration = Math.round((this.chartWidth() / 30) * this.chart.update_every * 1000); + + var min_duration = this.fixed_min_duration; + var current_duration = Math.round(this.view_before - this.view_after); + + // round the numbers + after = Math.round(after); + before = Math.round(before); + + // align them to update_every + // stretching them further away + after -= after % this.data_update_every; + before += this.data_update_every - (before % this.data_update_every); + + // the final wanted duration + var wanted_duration = before - after; + + // to allow panning, accept just a point below our minimum + if((current_duration - this.data_update_every) < min_duration) + min_duration = current_duration - this.data_update_every; + + // we do it, but we adjust to minimum size and return false + // when the wanted size is below the current and the minimum + // and we zoom + if(wanted_duration < current_duration && wanted_duration < min_duration) { + if(this.debug === true) + this.log(logme + 'too small: min_duration: ' + (min_duration / 1000).toString() + ', wanted: ' + (wanted_duration / 1000).toString()); + + min_duration = this.fixed_min_duration; + + var dt = (min_duration - wanted_duration) / 2; + before += dt; + after -= dt; + wanted_duration = before - after; + ret = false; + } + + var tolerance = this.data_update_every * 2; + var movement = Math.abs(before - this.view_before); + + if(Math.abs(current_duration - wanted_duration) <= tolerance && movement <= tolerance && ret === true) { + if(this.debug === true) + this.log(logme + 'REJECTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + false); + return false; + } + + if(this.current.name === 'auto') { + this.log(logme + 'caller called me with mode: ' + this.current.name); + this.setMode('pan'); + } + + if(this.debug === true) + this.log(logme + 'ACCEPTING UPDATE: current/min duration: ' + (current_duration / 1000).toString() + '/' + (this.fixed_min_duration / 1000).toString() + ', wanted duration: ' + (wanted_duration / 1000).toString() + ', duration diff: ' + (Math.round(Math.abs(current_duration - wanted_duration) / 1000)).toString() + ', movement: ' + (movement / 1000).toString() + ', tolerance: ' + (tolerance / 1000).toString() + ', returning: ' + ret); + + this.current.force_update_at = new Date().getTime() + NETDATA.options.current.pan_and_zoom_delay; + this.current.force_after_ms = after; + this.current.force_before_ms = before; + NETDATA.globalPanAndZoom.setMaster(this, after, before); + return ret; + } + + this.legendFormatValue = function(value) { + if(value === null || value === 'undefined') return '-'; + if(typeof value !== 'number') return value; + + var abs = Math.abs(value); + if(abs >= 1000) return (Math.round(value)).toLocaleString(); + if(abs >= 100 ) return (Math.round(value * 10) / 10).toLocaleString(); + if(abs >= 1 ) return (Math.round(value * 100) / 100).toLocaleString(); + if(abs >= 0.1 ) return (Math.round(value * 1000) / 1000).toLocaleString(); + return (Math.round(value * 10000) / 10000).toLocaleString(); + } + + this.legendSetLabelValue = function(label, value) { + var series = this.element_legend_childs.series[label]; + if(typeof series === 'undefined') return; + if(series.value === null && series.user === null) return; + + // if the value has not changed, skip DOM update + //if(series.last === value) return; + + var s, r; + if(typeof value === 'number') { + var v = Math.abs(value); + s = r = this.legendFormatValue(value); + + if(typeof series.last === 'number') { + if(v > series.last) s += '<i class="fa fa-angle-up" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + else if(v < series.last) s += '<i class="fa fa-angle-down" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + else s += '<i class="fa fa-angle-left" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + } + else s += '<i class="fa fa-angle-right" style="width: 8px; text-align: center; overflow: hidden; vertical-align: middle;"></i>'; + series.last = v; + } + else { + s = r = value; + series.last = value; + } + + if(series.value !== null) series.value.innerHTML = s; + if(series.user !== null) series.user.innerHTML = r; + } + + this.legendSetDate = function(ms) { + if(typeof ms !== 'number') { + this.legendShowUndefined(); + return; + } + + var d = new Date(ms); + + if(this.element_legend_childs.title_date) + this.element_legend_childs.title_date.innerHTML = d.toLocaleDateString(); + + if(this.element_legend_childs.title_time) + this.element_legend_childs.title_time.innerHTML = d.toLocaleTimeString(); + + if(this.element_legend_childs.title_units) + this.element_legend_childs.title_units.innerHTML = this.units; + } + + this.legendShowUndefined = function() { + if(this.element_legend_childs.title_date) + this.element_legend_childs.title_date.innerHTML = ' '; + + 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 = '<table class="netdata-legend-name-table-' + + state.chart.chart_type + + '" style="background-color: ' + + 'rgba(' + rgb.r + ',' + rgb.g + ',' + rgb.b + ',' + NETDATA.options.current['color_fill_opacity_' + state.chart.chart_type] + ')' + + '"><tr class="netdata-legend-name-tr"><td class="netdata-legend-name-td"></td></tr></table>' + + var text = document.createTextNode(' ' + name); + label.name.appendChild(text); + + if(count > 0) + parent.appendChild(document.createElement('br')); + + parent.appendChild(label.name); + parent.appendChild(label.value); + }; + + var content = document.createElement('div'); + + if(this.hasLegend()) { + this.element_legend_childs = { + content: content, + resize_handler: document.createElement('div'), + title_date: document.createElement('span'), + title_time: document.createElement('span'), + title_units: document.createElement('span'), + nano: document.createElement('div'), + nano_options: { + paneClass: 'netdata-legend-series-pane', + sliderClass: 'netdata-legend-series-slider', + contentClass: 'netdata-legend-series-content', + enabledClass: '__enabled', + flashedClass: '__flashed', + activeClass: '__active', + tabIndex: -1, + alwaysVisible: true, + sliderMinHeight: 10 + }, + series: {} + }; + + this.element_legend.innerHTML = ''; + + this.element_legend_childs.resize_handler.className += " netdata-legend-resize-handler"; + this.element_legend_childs.resize_handler.innerHTML = '<i class="fa fa-chevron-up"></i><i class="fa fa-chevron-down"></i>'; + this.element.appendChild(this.element_legend_childs.resize_handler); + + // mousedown event + this.element_legend_childs.resize_handler.onmousedown = + function(e) { + that.resizeHandler(e); + }; + + // touchstart event + this.element_legend_childs.resize_handler.addEventListener('touchstart', function(e) { + that.resizeHandler(e); + }, false); + + this.element_legend_childs.title_date.className += " netdata-legend-title-date"; + this.element_legend.appendChild(this.element_legend_childs.title_date); + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.title_time.className += " netdata-legend-title-time"; + this.element_legend.appendChild(this.element_legend_childs.title_time); + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.title_units.className += " netdata-legend-title-units"; + this.element_legend.appendChild(this.element_legend_childs.title_units); + + this.element_legend.appendChild(document.createElement('br')); + + this.element_legend_childs.nano.className = 'netdata-legend-series'; + this.element_legend.appendChild(this.element_legend_childs.nano); + + content.className = 'netdata-legend-series-content'; + this.element_legend_childs.nano.appendChild(content); + } + else { + this.element_legend_childs = { + content: content, + resize_handler: null, + title_date: null, + title_time: null, + title_units: null, + nano: null, + nano_options: null, + series: {} + }; + } + + if(this.data) { + this.element_legend_childs.series.labels_key = this.data.dimension_names.toString(); + if(this.debug === true) + this.log('labels from data: "' + this.element_legend_childs.series.labels_key + '"'); + + for(var i = 0, len = this.data.dimension_names.length; i < len ;i++) { + genLabel(this, content, this.data.dimension_names[i], i); + } + } + else { + var tmp = new Array(); + for(var dim in this.chart.dimensions) { + tmp.push(this.chart.dimensions[dim].name); + genLabel(this, content, this.chart.dimensions[dim].name, i); + } + this.element_legend_childs.series.labels_key = tmp.toString(); + if(this.debug === true) + this.log('labels from chart: "' + this.element_legend_childs.series.labels_key + '"'); + } + + // create a hidden div to be used for hidding + // the original legend of the chart library + var el = document.createElement('div'); + if(this.element_legend !== null) + this.element_legend.appendChild(el); + el.style.display = 'none'; + + this.element_legend_childs.hidden = document.createElement('div'); + el.appendChild(this.element_legend_childs.hidden); + + if(this.element_legend_childs.nano !== null && this.element_legend_childs.nano_options !== null) + $(this.element_legend_childs.nano).nanoScroller(this.element_legend_childs.nano_options); + + this.legendShowLatestValues(); + } + + this.hasLegend = function() { + if(typeof this.___hasLegendCache___ !== 'undefined') + return this.___hasLegendCache___; + + var leg = false; + if(this.library && this.library.legend(this) === 'right-side') { + var legend = $(this.element).data('legend') || 'yes'; + if(legend === 'yes') leg = true; + } + + this.___hasLegendCache___ = leg; + return leg; + } + + this.legendWidth = function() { + return (this.hasLegend())?140:0; + } + + this.legendHeight = function() { + return $(this.element).height(); + } + + this.chartWidth = function() { + return $(this.element).width() - this.legendWidth(); + } + + this.chartHeight = function() { + return $(this.element).height(); + } + + this.chartPixelsPerPoint = function() { + // force an options provided detail + var px = this.pixels_per_point; + + if(this.library && px < this.library.pixels_per_point(this)) + px = this.library.pixels_per_point(this); + + if(px < NETDATA.options.current.pixels_per_point) + px = NETDATA.options.current.pixels_per_point; + + return px; + } + + this.needsRecreation = function() { + return ( + this.chart_created === true + && this.library + && this.library.autoresize() === false + && this.tm.last_resized < NETDATA.options.last_resized + ); + } + + this.chartURL = function() { + var after, before, points_multiplier = 1; + if(NETDATA.globalPanAndZoom.isActive() && NETDATA.globalPanAndZoom.isMaster(this) === false) { + this.tm.pan_and_zoom_seq = NETDATA.globalPanAndZoom.seq; + + after = Math.round(NETDATA.globalPanAndZoom.force_after_ms / 1000); + before = Math.round(NETDATA.globalPanAndZoom.force_before_ms / 1000); + this.view_after = after * 1000; + this.view_before = before * 1000; + + this.requested_padding = null; + points_multiplier = 1; + } + else if(this.current.force_before_ms !== null && this.current.force_after_ms !== null) { + this.tm.pan_and_zoom_seq = 0; + + before = Math.round(this.current.force_before_ms / 1000); + after = Math.round(this.current.force_after_ms / 1000); + this.view_after = after * 1000; + this.view_before = before * 1000; + + if(NETDATA.options.current.pan_and_zoom_data_padding === true) { + this.requested_padding = Math.round((before - after) / 2); + after -= this.requested_padding; + before += this.requested_padding; + this.requested_padding *= 1000; + points_multiplier = 2; + } + + this.current.force_before_ms = null; + this.current.force_after_ms = null; + } + else { + this.tm.pan_and_zoom_seq = 0; + + before = this.before; + after = this.after; + this.view_after = after * 1000; + this.view_before = before * 1000; + + this.requested_padding = null; + points_multiplier = 1; + } + + this.requested_after = after * 1000; + this.requested_before = before * 1000; + + this.data_points = this.points || Math.round(this.chartWidth() / this.chartPixelsPerPoint()); + + // build the data URL + this.data_url = this.host + this.chart.data_url; + this.data_url += "&format=" + this.library.format(); + this.data_url += "&points=" + (this.data_points * points_multiplier).toString(); + this.data_url += "&group=" + this.method; + this.data_url += "&options=" + this.library.options(this); + this.data_url += '|jsonwrap'; + + if(NETDATA.options.current.eliminate_zero_dimensions === true) + this.data_url += '|nonzero'; + + if(this.append_options !== null) + this.data_url += '|' + this.append_options.toString(); + + if(after) + this.data_url += "&after=" + after.toString(); + + if(before) + this.data_url += "&before=" + before.toString(); + + if(this.dimensions) + this.data_url += "&dimensions=" + this.dimensions; + + if(NETDATA.options.debug.chart_data_url === true || this.debug === true) + this.log('chartURL(): ' + this.data_url + ' WxH:' + this.chartWidth() + 'x' + this.chartHeight() + ' points: ' + this.data_points + ' library: ' + this.library_name); + } + + this.redrawChart = function() { + if(this.data !== null) + this.updateChartWithData(this.data); + } + + this.updateChartWithData = function(data) { + if(this.debug === true) + this.log('updateChartWithData() called.'); + + this._updating = false; + + // this may force the chart to be re-created + resizeChart(); + + this.data = data; + this.updates_counter++; + this.updates_since_last_unhide++; + this.updates_since_last_creation++; + + var started = new Date().getTime(); + + // if the result is JSON, find the latest update-every + this.data_update_every = data.view_update_every * 1000; + this.data_after = data.after * 1000; + this.data_before = data.before * 1000; + this.netdata_first = data.first_entry * 1000; + this.netdata_last = data.last_entry * 1000; + this.data_points = data.points; + data.state = this; + + if(NETDATA.options.current.pan_and_zoom_data_padding === true && this.requested_padding !== null) { + if(this.view_after < this.data_after) { + // console.log('adusting view_after from ' + this.view_after + ' to ' + this.data_after); + this.view_after = this.data_after; + } + + if(this.view_before > this.data_before) { + // console.log('adusting view_before from ' + this.view_before + ' to ' + this.data_before); + this.view_before = this.data_before; + } + } + else { + this.view_after = this.data_after; + this.view_before = this.data_before; + } + + if(this.debug === true) { + this.log('UPDATE No ' + this.updates_counter + ' COMPLETED'); + + if(this.current.force_after_ms) + this.log('STATUS: forced : ' + (this.current.force_after_ms / 1000).toString() + ' - ' + (this.current.force_before_ms / 1000).toString()); + else + this.log('STATUS: forced : unset'); + + this.log('STATUS: requested : ' + (this.requested_after / 1000).toString() + ' - ' + (this.requested_before / 1000).toString()); + this.log('STATUS: downloaded: ' + (this.data_after / 1000).toString() + ' - ' + (this.data_before / 1000).toString()); + this.log('STATUS: rendered : ' + (this.view_after / 1000).toString() + ' - ' + (this.view_before / 1000).toString()); + this.log('STATUS: points : ' + (this.data_points).toString()); + } + + if(this.data_points === 0) { + noDataToShow(); + return; + } + + if(this.updates_since_last_creation >= this.library.max_updates_to_recreate()) { + if(this.debug === true) + this.log('max updates of ' + this.updates_since_last_creation.toString() + ' reached. Forcing re-generation.'); + + this.chart_created = false; + } + + // check and update the legend + this.legendUpdateDOM(); + + if(this.chart_created === true + && typeof this.library.update === 'function') { + + if(this.debug === true) + this.log('updating chart...'); + + if(callChartLibraryUpdateSafely(data) === false) + return; + } + else { + if(this.debug === true) + this.log('creating chart...'); + + if(callChartLibraryCreateSafely(data) === false) + return; + } + hideMessage(); + this.legendShowLatestValues(); + if(this.selected === true) + NETDATA.globalSelectionSync.stop(); + + // update the performance counters + var now = new Date().getTime(); + this.tm.last_updated = now; + + // don't update last_autorefreshed if this chart is + // forced to be updated with global PanAndZoom + if(NETDATA.globalPanAndZoom.isActive()) + this.tm.last_autorefreshed = 0; + else { + if(NETDATA.options.current.parallel_refresher === true && NETDATA.options.current.concurrent_refreshes) + this.tm.last_autorefreshed = Math.round(now / this.data_update_every) * this.data_update_every; + else + this.tm.last_autorefreshed = now; + } + + this.refresh_dt_ms = now - started; + NETDATA.options.auto_refresher_fast_weight += this.refresh_dt_ms; + + if(this.refresh_dt_element !== null) + this.refresh_dt_element.innerHTML = this.refresh_dt_ms.toString(); + } + + this.updateChart = function(callback) { + if(this.debug === true) + this.log('updateChart() called.'); + + if(this._updating === true) { + if(this.debug === true) + this.log('I am already updating...'); + + if(typeof callback === 'function') callback(); + return false; + } + + // due to late initialization of charts and libraries + // we need to check this too + if(this.enabled === false) { + if(this.debug === true) + this.log('I am not enabled'); + + if(typeof callback === 'function') callback(); + return false; + } + + if(canBeRendered() === false) { + if(typeof callback === 'function') callback(); + return false; + } + + if(this.chart === null) { + this.getChart(function() { that.updateChart(callback); }); + return false; + } + + if(this.library.initialized === false) { + if(this.library.enabled === true) { + this.library.initialize(function() { that.updateChart(callback); }); + return false; + } + else { + error('chart library "' + this.library_name + '" is not available.'); + if(typeof callback === 'function') callback(); + return false; + } + } + + this.clearSelection(); + this.chartURL(); + + if(this.debug === true) + this.log('updating from ' + this.data_url); + + this._updating = true; + + this.xhr = $.ajax( { + url: this.data_url, + crossDomain: NETDATA.options.crossDomainAjax, + cache: false, + async: true + }) + .success(function(data) { + if(that.debug === true) + that.log('data received. updating chart.'); + + that.updateChartWithData(data); + }) + .fail(function() { + error('data download failed for url: ' + that.data_url); + }) + .always(function() { + this._updating = false; + if(typeof callback === 'function') callback(); + }); + + return true; + } + + this.isVisible = function(nocache) { + if(typeof nocache === 'undefined') + nocache = false; + + // this.log('last_visible_check: ' + this.tm.last_visible_check + ', last_page_scroll: ' + NETDATA.options.last_page_scroll); + + // caching - we do not evaluate the charts visibility + // if the page has not been scrolled since the last check + if(nocache === false && this.tm.last_visible_check > NETDATA.options.last_page_scroll) + return this.___isVisible___; + + this.tm.last_visible_check = new Date().getTime(); + + var wh = window.innerHeight; + var x = this.element.getBoundingClientRect(); + var ret = 0; + var tolerance = 0; + + if(x.width === 0 || x.height === 0) { + hideChart(); + this.___isVisible___ = false; + return this.___isVisible___; + } + + if(x.top < 0 && -x.top > x.height) { + // the chart is entirely above + ret = -x.top - x.height; + } + else if(x.top > wh) { + // the chart is entirely below + ret = x.top - wh; + } + + if(ret > tolerance) { + // the chart is too far + + hideChart(); + this.___isVisible___ = false; + return this.___isVisible___; + } + else { + // the chart is inside or very close + + unhideChart(); + this.___isVisible___ = true; + return this.___isVisible___; + } + } + + this.isAutoRefreshed = function() { + return (this.current.autorefresh); + } + + this.canBeAutoRefreshed = function() { + now = new Date().getTime(); + + if(this.enabled === false) { + if(this.debug === true) + this.log('I am not enabled'); + + return false; + } + + if(this.library === null || this.library.enabled === false) { + error('charting library "' + this.library_name + '" is not available'); + if(this.debug === true) + this.log('My chart library ' + this.library_name + ' is not available'); + + return false; + } + + if(this.isVisible() === false) { + if(NETDATA.options.debug.visibility === true || this.debug === true) + this.log('I am not visible'); + + return false; + } + + if(this.current.force_update_at !== 0 && this.current.force_update_at < now) { + if(this.debug === true) + this.log('timed force update detected - allowing this update'); + + this.current.force_update_at = 0; + return true; + } + + if(this.isAutoRefreshed() === true) { + // allow the first update, even if the page is not visible + if(this.updates_counter && this.updates_since_last_unhide && NETDATA.options.page_is_visible === false) { + if(NETDATA.options.debug.focus === true || this.debug === true) + this.log('canBeAutoRefreshed(): page does not have focus'); + + return false; + } + + if(this.needsRecreation() === true) { + if(this.debug === true) + this.log('canBeAutoRefreshed(): needs re-creation.'); + + return true; + } + + // options valid only for autoRefresh() + if(NETDATA.options.auto_refresher_stop_until === 0 || NETDATA.options.auto_refresher_stop_until < now) { + if(NETDATA.globalPanAndZoom.isActive()) { + if(NETDATA.globalPanAndZoom.shouldBeAutoRefreshed(this)) { + if(this.debug === true) + this.log('canBeAutoRefreshed(): global panning: I need an update.'); + + return true; + } + else { + if(this.debug === true) + this.log('canBeAutoRefreshed(): global panning: I am already up to date.'); + + return false; + } + } + + if(this.selected === true) { + if(this.debug === true) + this.log('canBeAutoRefreshed(): I have a selection in place.'); + + return false; + } + + if(this.paused === true) { + if(this.debug === true) + this.log('canBeAutoRefreshed(): I am paused.'); + + return false; + } + + if(now - this.tm.last_autorefreshed >= this.data_update_every) { + if(this.debug === true) + this.log('canBeAutoRefreshed(): It is time to update me.'); + + return true; + } + } + } + + return false; + } + + this.autoRefresh = function(callback) { + if(this.canBeAutoRefreshed() === true) { + this.updateChart(callback); + } + else { + if(typeof callback !== 'undefined') + callback(); + } + } + + this._defaultsFromDownloadedChart = function(chart) { + this.chart = chart; + this.chart_url = chart.url; + this.data_update_every = chart.update_every * 1000; + this.data_points = Math.round(this.chartWidth() / this.chartPixelsPerPoint()); + this.tm.last_info_downloaded = new Date().getTime(); + + if(this.title === null) + this.title = chart.title; + + if(this.units === null) + this.units = chart.units; + } + + // fetch the chart description from the netdata server + this.getChart = function(callback) { + this.chart = NETDATA.chartRegistry.get(this.host, this.id); + if(this.chart) { + this._defaultsFromDownloadedChart(this.chart); + if(typeof callback === 'function') callback(); + } + else { + this.chart_url = "/api/v1/chart?chart=" + this.id; + + if(this.debug === true) + this.log('downloading ' + this.chart_url); + + $.ajax( { + url: this.host + this.chart_url, + crossDomain: NETDATA.options.crossDomainAjax, + cache: false, + async: true + }) + .done(function(chart) { + chart.url = that.chart_url; + that._defaultsFromDownloadedChart(chart); + NETDATA.chartRegistry.add(that.host, that.id, chart); + }) + .fail(function() { + NETDATA.error(404, that.chart_url); + error('chart not found on url "' + that.chart_url + '"'); + }) + .always(function() { + if(typeof callback === 'function') callback(); + }); + } + } + + // ============================================================================================================ + // INITIALIZATION + + init(); + } + + NETDATA.resetAllCharts = function(state) { + // first clear the global selection sync + // to make sure no chart is in selected state + state.globalSelectionSyncStop(); + + // there are 2 possibilities here + // a. state is the global Pan and Zoom master + // b. state is not the global Pan and Zoom master + var master = true; + if(NETDATA.globalPanAndZoom.isMaster(state) === false) + master = false; + + // clear the global Pan and Zoom + // this will also refresh the master + // and unblock any charts currently mirroring the master + NETDATA.globalPanAndZoom.clearMaster(); + + // if we were not the master, reset our status too + // this is required because most probably the mouse + // is over this chart, blocking it from autorefreshing + if(master === false && (state.paused === true || state.selected === true)) + state.resetChart(); + } + + // get or create a chart state, given a DOM element + NETDATA.chartState = function(element) { + var state = $(element).data('netdata-state-object') || null; + if(state === null) { + state = new chartState(element); + $(element).data('netdata-state-object', state); + } + return state; + } + + // ---------------------------------------------------------------------------------------------------------------- + // Library functions + + // Load a script without jquery + // This is used to load jquery - after it is loaded, we use jquery + NETDATA._loadjQuery = function(callback) { + if(typeof jQuery === 'undefined') { + if(NETDATA.options.debug.main_loop === true) + console.log('loading ' + NETDATA.jQuery); + + var script = document.createElement('script'); + script.type = 'text/javascript'; + script.async = true; + script.src = NETDATA.jQuery; + + // script.onabort = onError; + script.onerror = function(err, t) { NETDATA.error(101, NETDATA.jQuery); }; + if(typeof callback === "function") + script.onload = callback; + + var s = document.getElementsByTagName('script')[0]; + s.parentNode.insertBefore(script, s); + } + else if(typeof callback === "function") + callback(); + } + + NETDATA._loadCSS = function(filename) { + // don't use jQuery here + // styles are loaded before jQuery + // to eliminate showing an unstyled page to the user + + var fileref = document.createElement("link"); + fileref.setAttribute("rel", "stylesheet"); + fileref.setAttribute("type", "text/css"); + fileref.setAttribute("href", filename); + + if (typeof fileref !== 'undefined') + document.getElementsByTagName("head")[0].appendChild(fileref); + } + + NETDATA.colorHex2Rgb = function(hex) { + // Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF") + var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; + hex = hex.replace(shorthandRegex, function(m, r, g, b) { + return r + r + g + g + b + b; + }); + + var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); + return result ? { + r: parseInt(result[1], 16), + g: parseInt(result[2], 16), + b: parseInt(result[3], 16) + } : null; + } + + NETDATA.colorLuminance = function(hex, lum) { + // validate hex string + hex = String(hex).replace(/[^0-9a-f]/gi, ''); + if (hex.length < 6) + hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2]; + + lum = lum || 0; + + // convert to decimal and change luminosity + var rgb = "#", c, i; + for (i = 0; i < 3; i++) { + c = parseInt(hex.substr(i*2,2), 16); + c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16); + rgb += ("00"+c).substr(c.length); + } + + return rgb; + } + + NETDATA.guid = function() { + function s4() { + return Math.floor((1 + Math.random()) * 0x10000) + .toString(16) + .substring(1); + } + + return s4() + s4() + '-' + s4() + '-' + s4() + '-' + s4() + '-' + s4() + s4() + s4(); + } + + NETDATA.zeropad = function(x) { + if(x > -10 && x < 10) return '0' + x.toString(); + else return x.toString(); + } + + // user function to signal us the DOM has been + // updated. + NETDATA.updatedDom = function() { + NETDATA.options.updated_dom = true; + } + + NETDATA.ready = function(callback) { + NETDATA.options.pauseCallback = callback; + } + + NETDATA.pause = function(callback) { + if(NETDATA.options.pause === true) + callback(); + else + NETDATA.options.pauseCallback = callback; + } + + NETDATA.unpause = function() { + NETDATA.options.pauseCallback = null; + NETDATA.options.updated_dom = true; + NETDATA.options.pause = false; + } + + // ---------------------------------------------------------------------------------------------------------------- + + // this is purely sequencial charts refresher + // it is meant to be autonomous + NETDATA.chartRefresherNoParallel = function(index) { + if(NETDATA.options.debug.mail_loop === true) + console.log('NETDATA.chartRefresherNoParallel(' + index + ')'); + + if(NETDATA.options.updated_dom === true) { + // the dom has been updated + // get the dom parts again + NETDATA.parseDom(NETDATA.chartRefresher); + return; + } + if(index >= NETDATA.options.targets.length) { + if(NETDATA.options.debug.main_loop === true) + console.log('waiting to restart main loop...'); + + NETDATA.options.auto_refresher_fast_weight = 0; + + setTimeout(function() { + NETDATA.chartRefresher(); + }, NETDATA.options.current.idle_between_loops); + } + else { + var state = NETDATA.options.targets[index]; + + if(NETDATA.options.auto_refresher_fast_weight < NETDATA.options.current.fast_render_timeframe) { + if(NETDATA.options.debug.main_loop === true) + console.log('fast rendering...'); + + state.autoRefresh(function() { + NETDATA.chartRefresherNoParallel(++index); + }); + } + else { + if(NETDATA.options.debug.main_loop === true) console.log('waiting for next refresh...'); + NETDATA.options.auto_refresher_fast_weight = 0; + + setTimeout(function() { + state.autoRefresh(function() { + NETDATA.chartRefresherNoParallel(++index); + }); + }, NETDATA.options.current.idle_between_charts); + } + } + } + + // this is part of the parallel refresher + // its cause is to refresh sequencially all the charts + // that depend on chart library initialization + // it will call the parallel refresher back + // as soon as it sees a chart that its chart library + // is initialized + NETDATA.chartRefresher_unitialized = function() { + if(NETDATA.options.updated_dom === true) { + // the dom has been updated + // get the dom parts again + NETDATA.parseDom(NETDATA.chartRefresher); + return; + } + + if(NETDATA.options.sequencial.length === 0) + NETDATA.chartRefresher(); + else { + var state = NETDATA.options.sequencial.pop(); + if(state.library.initialized === true) + NETDATA.chartRefresher(); + else + state.autoRefresh(NETDATA.chartRefresher_unitialized); + } + } + + NETDATA.chartRefresherWaitTime = function() { + return NETDATA.options.current.idle_parallel_loops; + } + + // the default refresher + // it will create 2 sets of charts: + // - the ones that can be refreshed in parallel + // - the ones that depend on something else + // the first set will be executed in parallel + // the second will be given to NETDATA.chartRefresher_unitialized() + NETDATA.chartRefresher = function() { + if(NETDATA.options.pause === true) { + // console.log('auto-refresher is paused'); + setTimeout(NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime()); + return; + } + + if(typeof NETDATA.options.pauseCallback === 'function') { + // console.log('auto-refresher is calling pauseCallback'); + NETDATA.options.pause = true; + NETDATA.options.pauseCallback(); + NETDATA.chartRefresher(); + return; + } + + if(NETDATA.options.current.parallel_refresher === false) { + NETDATA.chartRefresherNoParallel(0); + return; + } + + if(NETDATA.options.updated_dom === true) { + // the dom has been updated + // get the dom parts again + NETDATA.parseDom(NETDATA.chartRefresher); + return; + } + + var parallel = new Array(); + var targets = NETDATA.options.targets; + var len = targets.length; + while(len--) { + if(targets[len].isVisible() === false) + continue; + + var state = targets[len]; + if(state.library.initialized === false) { + if(state.library.enabled === true) { + state.library.initialize(NETDATA.chartRefresher); + return; + } + else { + state.error('chart library "' + state.library_name + '" is not enabled.'); + } + } + + parallel.unshift(state); + } + + if(parallel.length > 0) { + var parallel_jobs = parallel.length; + + // this will execute the jobs in parallel + $(parallel).each(function() { + this.autoRefresh(function() { + parallel_jobs--; + + if(parallel_jobs === 0) { + setTimeout(NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime()); + } + }); + }) + } + else { + setTimeout(NETDATA.chartRefresher, + NETDATA.chartRefresherWaitTime()); + } + } + + NETDATA.parseDom = function(callback) { + NETDATA.options.last_page_scroll = new Date().getTime(); + NETDATA.options.updated_dom = false; + + var targets = $('div[data-netdata]'); //.filter(':visible'); + + if(NETDATA.options.debug.main_loop === true) + console.log('DOM updated - there are ' + targets.length + ' charts on page.'); + + NETDATA.options.targets = new Array(); + var len = targets.length; + while(len--) { + // the initialization will take care of sizing + // and the "loading..." message + NETDATA.options.targets.push(NETDATA.chartState(targets[len])); + } + + if(typeof callback === 'function') callback(); + } + + // this is the main function - where everything starts + NETDATA.start = function() { + // this should be called only once + + NETDATA.options.page_is_visible = true; + + $(window).blur(function() { + if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) { + NETDATA.options.page_is_visible = false; + if(NETDATA.options.debug.focus === true) + console.log('Lost Focus!'); + } + }); + + $(window).focus(function() { + if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) { + NETDATA.options.page_is_visible = true; + if(NETDATA.options.debug.focus === true) + console.log('Focus restored!'); + } + }); + + if(typeof document.hasFocus === 'function' && !document.hasFocus()) { + if(NETDATA.options.current.stop_updates_when_focus_is_lost === true) { + NETDATA.options.page_is_visible = false; + if(NETDATA.options.debug.focus === true) + console.log('Document has no focus!'); + } + } + + // bootstrap tab switching + $('a[data-toggle="tab"]').on('shown.bs.tab', NETDATA.onscroll); + + // bootstrap modal switching + $('.modal').on('hidden.bs.modal', NETDATA.onscroll); + $('.modal').on('shown.bs.modal', NETDATA.onscroll); + + NETDATA.parseDom(NETDATA.chartRefresher); + } + + // ---------------------------------------------------------------------------------------------------------------- + // peity + + NETDATA.peityInitialize = function(callback) { + if(typeof netdataNoPeitys === 'undefined' || !netdataNoPeitys) { + $.ajax({ + url: NETDATA.peity_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('peity', NETDATA.peity_js); + }) + .fail(function() { + NETDATA.chartLibraries.peity.enabled = false; + NETDATA.error(100, NETDATA.peity_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.peity.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.peityChartUpdate = function(state, data) { + state.peity_instance.innerHTML = data.result; + + if(state.peity_options.stroke !== state.chartColors()[0]) { + state.peity_options.stroke = state.chartColors()[0]; + if(state.chart.chart_type === 'line') + state.peity_options.fill = NETDATA.themes.current.background; + else + state.peity_options.fill = NETDATA.colorLuminance(state.chartColors()[0], NETDATA.chartDefaults.fill_luminance); + } + + $(state.peity_instance).peity('line', state.peity_options); + return true; + } + + NETDATA.peityChartCreate = function(state, data) { + state.peity_instance = document.createElement('div'); + state.element_chart.appendChild(state.peity_instance); + + var self = $(state.element); + state.peity_options = { + stroke: NETDATA.themes.current.foreground, + strokeWidth: self.data('peity-strokewidth') || 1, + width: state.chartWidth(), + height: state.chartHeight(), + fill: NETDATA.themes.current.foreground + }; + + NETDATA.peityChartUpdate(state, data); + return true; + } + + // ---------------------------------------------------------------------------------------------------------------- + // sparkline + + NETDATA.sparklineInitialize = function(callback) { + if(typeof netdataNoSparklines === 'undefined' || !netdataNoSparklines) { + $.ajax({ + url: NETDATA.sparkline_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('sparkline', NETDATA.sparkline_js); + }) + .fail(function() { + NETDATA.chartLibraries.sparkline.enabled = false; + NETDATA.error(100, NETDATA.sparkline_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.sparkline.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.sparklineChartUpdate = function(state, data) { + state.sparkline_options.width = state.chartWidth(); + state.sparkline_options.height = state.chartHeight(); + + $(state.element_chart).sparkline(data.result, state.sparkline_options); + return true; + } + + NETDATA.sparklineChartCreate = function(state, data) { + var self = $(state.element); + var type = self.data('sparkline-type') || 'line'; + var lineColor = self.data('sparkline-linecolor') || state.chartColors()[0]; + var fillColor = self.data('sparkline-fillcolor') || (state.chart.chart_type === 'line')?NETDATA.themes.current.background:NETDATA.colorLuminance(lineColor, NETDATA.chartDefaults.fill_luminance); + var chartRangeMin = self.data('sparkline-chartrangemin') || undefined; + var chartRangeMax = self.data('sparkline-chartrangemax') || undefined; + var composite = self.data('sparkline-composite') || undefined; + var enableTagOptions = self.data('sparkline-enabletagoptions') || undefined; + var tagOptionPrefix = self.data('sparkline-tagoptionprefix') || undefined; + var tagValuesAttribute = self.data('sparkline-tagvaluesattribute') || undefined; + var disableHiddenCheck = self.data('sparkline-disablehiddencheck') || undefined; + var defaultPixelsPerValue = self.data('sparkline-defaultpixelspervalue') || undefined; + var spotColor = self.data('sparkline-spotcolor') || undefined; + var minSpotColor = self.data('sparkline-minspotcolor') || undefined; + var maxSpotColor = self.data('sparkline-maxspotcolor') || undefined; + var spotRadius = self.data('sparkline-spotradius') || undefined; + var valueSpots = self.data('sparkline-valuespots') || undefined; + var highlightSpotColor = self.data('sparkline-highlightspotcolor') || undefined; + var highlightLineColor = self.data('sparkline-highlightlinecolor') || undefined; + var lineWidth = self.data('sparkline-linewidth') || undefined; + var normalRangeMin = self.data('sparkline-normalrangemin') || undefined; + var normalRangeMax = self.data('sparkline-normalrangemax') || undefined; + var drawNormalOnTop = self.data('sparkline-drawnormalontop') || undefined; + var xvalues = self.data('sparkline-xvalues') || undefined; + var chartRangeClip = self.data('sparkline-chartrangeclip') || undefined; + var xvalues = self.data('sparkline-xvalues') || undefined; + var chartRangeMinX = self.data('sparkline-chartrangeminx') || undefined; + var chartRangeMaxX = self.data('sparkline-chartrangemaxx') || undefined; + var disableInteraction = self.data('sparkline-disableinteraction') || false; + var disableTooltips = self.data('sparkline-disabletooltips') || false; + var disableHighlight = self.data('sparkline-disablehighlight') || false; + var highlightLighten = self.data('sparkline-highlightlighten') || 1.4; + var highlightColor = self.data('sparkline-highlightcolor') || undefined; + var tooltipContainer = self.data('sparkline-tooltipcontainer') || undefined; + var tooltipClassname = self.data('sparkline-tooltipclassname') || undefined; + var tooltipFormat = self.data('sparkline-tooltipformat') || undefined; + var tooltipPrefix = self.data('sparkline-tooltipprefix') || undefined; + var tooltipSuffix = self.data('sparkline-tooltipsuffix') || ' ' + state.units; + var tooltipSkipNull = self.data('sparkline-tooltipskipnull') || true; + var tooltipValueLookups = self.data('sparkline-tooltipvaluelookups') || undefined; + var tooltipFormatFieldlist = self.data('sparkline-tooltipformatfieldlist') || undefined; + var tooltipFormatFieldlistKey = self.data('sparkline-tooltipformatfieldlistkey') || undefined; + var numberFormatter = self.data('sparkline-numberformatter') || function(n){ return n.toFixed(2); }; + var numberDigitGroupSep = self.data('sparkline-numberdigitgroupsep') || undefined; + var numberDecimalMark = self.data('sparkline-numberdecimalmark') || undefined; + var numberDigitGroupCount = self.data('sparkline-numberdigitgroupcount') || undefined; + var animatedZooms = self.data('sparkline-animatedzooms') || false; + + state.sparkline_options = { + type: type, + lineColor: lineColor, + fillColor: fillColor, + chartRangeMin: chartRangeMin, + chartRangeMax: chartRangeMax, + composite: composite, + enableTagOptions: enableTagOptions, + tagOptionPrefix: tagOptionPrefix, + tagValuesAttribute: tagValuesAttribute, + disableHiddenCheck: disableHiddenCheck, + defaultPixelsPerValue: defaultPixelsPerValue, + spotColor: spotColor, + minSpotColor: minSpotColor, + maxSpotColor: maxSpotColor, + spotRadius: spotRadius, + valueSpots: valueSpots, + highlightSpotColor: highlightSpotColor, + highlightLineColor: highlightLineColor, + lineWidth: lineWidth, + normalRangeMin: normalRangeMin, + normalRangeMax: normalRangeMax, + drawNormalOnTop: drawNormalOnTop, + xvalues: xvalues, + chartRangeClip: chartRangeClip, + chartRangeMinX: chartRangeMinX, + chartRangeMaxX: chartRangeMaxX, + disableInteraction: disableInteraction, + disableTooltips: disableTooltips, + disableHighlight: disableHighlight, + highlightLighten: highlightLighten, + highlightColor: highlightColor, + tooltipContainer: tooltipContainer, + tooltipClassname: tooltipClassname, + tooltipChartTitle: state.title, + tooltipFormat: tooltipFormat, + tooltipPrefix: tooltipPrefix, + tooltipSuffix: tooltipSuffix, + tooltipSkipNull: tooltipSkipNull, + tooltipValueLookups: tooltipValueLookups, + tooltipFormatFieldlist: tooltipFormatFieldlist, + tooltipFormatFieldlistKey: tooltipFormatFieldlistKey, + numberFormatter: numberFormatter, + numberDigitGroupSep: numberDigitGroupSep, + numberDecimalMark: numberDecimalMark, + numberDigitGroupCount: numberDigitGroupCount, + animatedZooms: animatedZooms, + width: state.chartWidth(), + height: state.chartHeight() + }; + + $(state.element_chart).sparkline(data.result, state.sparkline_options); + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // dygraph + + NETDATA.dygraph = { + smooth: false + }; + + NETDATA.dygraphSetSelection = function(state, t) { + if(typeof state.dygraph_instance !== 'undefined') { + var r = state.calculateRowForTime(t); + if(r !== -1) + state.dygraph_instance.setSelection(r); + else { + state.dygraph_instance.clearSelection(); + state.legendShowUndefined(); + } + } + + return true; + }; + + NETDATA.dygraphClearSelection = function(state, t) { + if(typeof state.dygraph_instance !== 'undefined') { + state.dygraph_instance.clearSelection(); + } + return true; + }; + + NETDATA.dygraphSmoothInitialize = function(callback) { + $.ajax({ + url: NETDATA.dygraph_smooth_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.dygraph.smooth = true; + smoothPlotter.smoothing = 0.3; + }) + .fail(function() { + NETDATA.dygraph.smooth = false; + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + + NETDATA.dygraphInitialize = function(callback) { + if(typeof netdataNoDygraphs === 'undefined' || !netdataNoDygraphs) { + $.ajax({ + url: NETDATA.dygraph_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('dygraph', NETDATA.dygraph_js); + }) + .fail(function() { + NETDATA.chartLibraries.dygraph.enabled = false; + NETDATA.error(100, NETDATA.dygraph_js); + }) + .always(function() { + if(NETDATA.chartLibraries.dygraph.enabled === true && NETDATA.options.current.smooth_plot === true) + NETDATA.dygraphSmoothInitialize(callback); + else if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.dygraph.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.dygraphChartUpdate = function(state, data) { + var dygraph = state.dygraph_instance; + + if(typeof dygraph === 'undefined') + return NETDATA.dygraphChartCreate(state, data); + + // when the chart is not visible, and hidden + // if there is a window resize, dygraph detects + // its element size as 0x0. + // this will make it re-appear properly + + if(state.tm.last_unhidden > state.dygraph_last_rendered) + dygraph.resize(); + + var options = { + file: data.result.data, + colors: state.chartColors(), + labels: data.result.labels, + labelsDivWidth: state.chartWidth() - 70, + visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names) + }; + + if(state.dygraph_force_zoom === true) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphChartUpdate() forced zoom update'); + + options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null; + options.valueRange = null; + options.isZoomedIgnoreProgrammaticZoom = true; + state.dygraph_force_zoom = false; + } + else if(state.current.name !== 'auto') { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphChartUpdate() loose update'); + } + else { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphChartUpdate() strict update'); + + options.dateWindow = (state.requested_padding !== null)?[ state.view_after, state.view_before ]:null; + options.valueRange = null; + options.isZoomedIgnoreProgrammaticZoom = true; + } + + if(state.dygraph_smooth_eligible === true) { + if((NETDATA.options.current.smooth_plot === true && state.dygraph_options.plotter !== smoothPlotter) + || (NETDATA.options.current.smooth_plot === false && state.dygraph_options.plotter === smoothPlotter)) { + NETDATA.dygraphChartCreate(state, data); + return; + } + } + + dygraph.updateOptions(options); + + state.dygraph_last_rendered = new Date().getTime(); + return true; + }; + + NETDATA.dygraphChartCreate = function(state, data) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphChartCreate()'); + + var self = $(state.element); + + var chart_type = state.chart.chart_type; + if(chart_type === 'stacked' && data.dimensions === 1) chart_type = 'area'; + chart_type = self.data('dygraph-type') || chart_type; + + var smooth = (chart_type === 'line' && !NETDATA.chartLibraries.dygraph.isSparkline(state))?true:false; + smooth = self.data('dygraph-smooth') || smooth; + + if(NETDATA.dygraph.smooth === false) + smooth = false; + + var strokeWidth = (chart_type === 'stacked')?0.1:((smooth)?1.5:0.7) + var highlightCircleSize = (NETDATA.chartLibraries.dygraph.isSparkline(state))?3:4; + + state.dygraph_options = { + colors: self.data('dygraph-colors') || state.chartColors(), + + // leave a few pixels empty on the right of the chart + rightGap: self.data('dygraph-rightgap') || 5, + showRangeSelector: self.data('dygraph-showrangeselector') || false, + showRoller: self.data('dygraph-showroller') || false, + + title: self.data('dygraph-title') || state.title, + titleHeight: self.data('dygraph-titleheight') || 19, + + legend: self.data('dygraph-legend') || 'always', // 'onmouseover', + labels: data.result.labels, + labelsDiv: self.data('dygraph-labelsdiv') || state.element_legend_childs.hidden, + labelsDivStyles: self.data('dygraph-labelsdivstyles') || { 'fontSize':'1px' }, + labelsDivWidth: self.data('dygraph-labelsdivwidth') || state.chartWidth() - 70, + labelsSeparateLines: self.data('dygraph-labelsseparatelines') || true, + labelsShowZeroValues: self.data('dygraph-labelsshowzerovalues') || true, + labelsKMB: false, + labelsKMG2: false, + showLabelsOnHighlight: self.data('dygraph-showlabelsonhighlight') || true, + hideOverlayOnMouseOut: self.data('dygraph-hideoverlayonmouseout') || true, + + ylabel: state.units, + yLabelWidth: self.data('dygraph-ylabelwidth') || 12, + + // the function to plot the chart + plotter: null, + + // The width of the lines connecting data points. This can be used to increase the contrast or some graphs. + strokeWidth: self.data('dygraph-strokewidth') || strokeWidth, + strokePattern: self.data('dygraph-strokepattern') || undefined, + + // The size of the dot to draw on each point in pixels (see drawPoints). A dot is always drawn when a point is "isolated", + // i.e. there is a missing point on either side of it. This also controls the size of those dots. + drawPoints: self.data('dygraph-drawpoints') || false, + + // Draw points at the edges of gaps in the data. This improves visibility of small data segments or other data irregularities. + drawGapEdgePoints: self.data('dygraph-drawgapedgepoints') || true, + + connectSeparatedPoints: self.data('dygraph-connectseparatedpoints') || false, + pointSize: self.data('dygraph-pointsize') || 1, + + // enabling this makes the chart with little square lines + stepPlot: self.data('dygraph-stepplot') || false, + + // Draw a border around graph lines to make crossing lines more easily distinguishable. Useful for graphs with many lines. + strokeBorderColor: self.data('dygraph-strokebordercolor') || NETDATA.themes.current.background, + strokeBorderWidth: self.data('dygraph-strokeborderwidth') || (chart_type === 'stacked')?0.0:0.0, + + fillGraph: self.data('dygraph-fillgraph') || (chart_type === 'area' || chart_type === 'stacked')?true:false, + fillAlpha: self.data('dygraph-fillalpha') || (chart_type === 'stacked')?NETDATA.options.current.color_fill_opacity_stacked:NETDATA.options.current.color_fill_opacity_area, + stackedGraph: self.data('dygraph-stackedgraph') || (chart_type === 'stacked')?true:false, + stackedGraphNaNFill: self.data('dygraph-stackedgraphnanfill') || 'none', + + drawAxis: self.data('dygraph-drawaxis') || true, + axisLabelFontSize: self.data('dygraph-axislabelfontsize') || 10, + axisLineColor: self.data('dygraph-axislinecolor') || NETDATA.themes.current.axis, + axisLineWidth: self.data('dygraph-axislinewidth') || 0.3, + + drawGrid: self.data('dygraph-drawgrid') || true, + drawXGrid: self.data('dygraph-drawxgrid') || undefined, + drawYGrid: self.data('dygraph-drawygrid') || undefined, + gridLinePattern: self.data('dygraph-gridlinepattern') || null, + gridLineWidth: self.data('dygraph-gridlinewidth') || 0.3, + gridLineColor: self.data('dygraph-gridlinecolor') || NETDATA.themes.current.grid, + + maxNumberWidth: self.data('dygraph-maxnumberwidth') || 8, + sigFigs: self.data('dygraph-sigfigs') || null, + digitsAfterDecimal: self.data('dygraph-digitsafterdecimal') || 2, + valueFormatter: self.data('dygraph-valueformatter') || function(x){ return x.toFixed(2); }, + + highlightCircleSize: self.data('dygraph-highlightcirclesize') || highlightCircleSize, + highlightSeriesOpts: self.data('dygraph-highlightseriesopts') || null, // TOO SLOW: { strokeWidth: 1.5 }, + highlightSeriesBackgroundAlpha: self.data('dygraph-highlightseriesbackgroundalpha') || null, // TOO SLOW: (chart_type === 'stacked')?0.7:0.5, + + pointClickCallback: self.data('dygraph-pointclickcallback') || undefined, + visibility: state.dimensions_visibility.selected2BooleanArray(state.data.dimension_names), + axes: { + x: { + pixelsPerLabel: 50, + ticker: Dygraph.dateTicker, + axisLabelFormatter: function (d, gran) { + return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds()); + }, + valueFormatter: function (ms) { + var d = new Date(ms); + return d.toLocaleDateString() + ' ' + d.toLocaleTimeString(); + // return NETDATA.zeropad(d.getHours()) + ":" + NETDATA.zeropad(d.getMinutes()) + ":" + NETDATA.zeropad(d.getSeconds()); + } + }, + y: { + pixelsPerLabel: 15, + valueFormatter: function (x) { + // we format legends with the state object + // no need to do anything here + // return (Math.round(x*100) / 100).toLocaleString(); + // return state.legendFormatValue(x); + return x; + } + } + }, + legendFormatter: function(data) { + var elements = state.element_legend_childs; + + // if the hidden div is not there + // we are not managing the legend + if(elements.hidden === null) return; + + if (typeof data.x !== 'undefined') { + state.legendSetDate(data.x); + var i = data.series.length; + while(i--) { + var series = data.series[i]; + if(!series.isVisible) continue; + state.legendSetLabelValue(series.label, series.y); + } + } + + return ''; + }, + drawCallback: function(dygraph, is_initial) { + if(state.current.name !== 'auto' && state.dygraph_user_action === true) { + state.dygraph_user_action = false; + + var x_range = dygraph.xAxisRange(); + var after = Math.round(x_range[0]); + var before = Math.round(x_range[1]); + + if(NETDATA.options.debug.dygraph === true) + state.log('dygraphDrawCallback(dygraph, ' + is_initial + '): ' + (after / 1000).toString() + ' - ' + (before / 1000).toString()); + + if(before <= state.netdata_last && after >= state.netdata_first) + state.updateChartPanOrZoom(after, before); + } + }, + zoomCallback: function(minDate, maxDate, yRanges) { + if(NETDATA.options.debug.dygraph === true) + state.log('dygraphZoomCallback()'); + + state.globalSelectionSyncStop(); + state.globalSelectionSyncDelay(); + state.setMode('zoom'); + + // refresh it to the greatest possible zoom level + state.dygraph_user_action = true; + state.dygraph_force_zoom = true; + state.updateChartPanOrZoom(minDate, maxDate); + }, + highlightCallback: function(event, x, points, row, seriesName) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphHighlightCallback()'); + + state.pauseChart(); + + // there is a bug in dygraph when the chart is zoomed enough + // the time it thinks is selected is wrong + // here we calculate the time t based on the row number selected + // which is ok + var t = state.data_after + row * state.data_update_every; + // console.log('row = ' + row + ', x = ' + x + ', t = ' + t + ' ' + ((t === x)?'SAME':(Math.abs(x-t)<=state.data_update_every)?'SIMILAR':'DIFFERENT') + ', rows in db: ' + state.data_points + ' visible(x) = ' + state.timeIsVisible(x) + ' visible(t) = ' + state.timeIsVisible(t) + ' r(x) = ' + state.calculateRowForTime(x) + ' r(t) = ' + state.calculateRowForTime(t) + ' range: ' + state.data_after + ' - ' + state.data_before + ' real: ' + state.data.after + ' - ' + state.data.before + ' every: ' + state.data_update_every); + + state.globalSelectionSync(x); + + // fix legend zIndex using the internal structures of dygraph legend module + // this works, but it is a hack! + // state.dygraph_instance.plugins_[0].plugin.legend_div_.style.zIndex = 10000; + }, + unhighlightCallback: function(event) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('dygraphUnhighlightCallback()'); + + state.unpauseChart(); + state.globalSelectionSyncStop(); + }, + interactionModel : { + mousedown: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.mousedown()'); + + state.dygraph_user_action = true; + state.globalSelectionSyncStop(); + + if(NETDATA.options.debug.dygraph === true) + state.log('dygraphMouseDown()'); + + // Right-click should not initiate a zoom. + if(event.button && event.button === 2) return; + + context.initializeMouseDown(event, dygraph, context); + + if(event.button && event.button === 1) { + if (event.altKey || event.shiftKey) { + state.setMode('pan'); + state.globalSelectionSyncDelay(); + Dygraph.startPan(event, dygraph, context); + } + else { + state.setMode('zoom'); + state.globalSelectionSyncDelay(); + Dygraph.startZoom(event, dygraph, context); + } + } + else { + if (event.altKey || event.shiftKey) { + state.setMode('zoom'); + state.globalSelectionSyncDelay(); + Dygraph.startZoom(event, dygraph, context); + } + else { + state.setMode('pan'); + state.globalSelectionSyncDelay(); + Dygraph.startPan(event, dygraph, context); + } + } + }, + mousemove: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.mousemove()'); + + if(context.isPanning) { + state.dygraph_user_action = true; + state.globalSelectionSyncStop(); + state.globalSelectionSyncDelay(); + state.setMode('pan'); + Dygraph.movePan(event, dygraph, context); + } + else if(context.isZooming) { + state.dygraph_user_action = true; + state.globalSelectionSyncStop(); + state.globalSelectionSyncDelay(); + state.setMode('zoom'); + Dygraph.moveZoom(event, dygraph, context); + } + }, + mouseup: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.mouseup()'); + + if (context.isPanning) { + state.dygraph_user_action = true; + state.globalSelectionSyncDelay(); + Dygraph.endPan(event, dygraph, context); + } + else if (context.isZooming) { + state.dygraph_user_action = true; + state.globalSelectionSyncDelay(); + Dygraph.endZoom(event, dygraph, context); + } + }, + click: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.click()'); + + event.preventDefault(); + }, + dblclick: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.dblclick()'); + NETDATA.resetAllCharts(state); + }, + mousewheel: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.mousewheel()'); + + // Take the offset of a mouse event on the dygraph canvas and + // convert it to a pair of percentages from the bottom left. + // (Not top left, bottom is where the lower value is.) + function offsetToPercentage(g, offsetX, offsetY) { + // This is calculating the pixel offset of the leftmost date. + var xOffset = g.toDomCoords(g.xAxisRange()[0], null)[0]; + var yar0 = g.yAxisRange(0); + + // This is calculating the pixel of the higest value. (Top pixel) + var yOffset = g.toDomCoords(null, yar0[1])[1]; + + // x y w and h are relative to the corner of the drawing area, + // so that the upper corner of the drawing area is (0, 0). + var x = offsetX - xOffset; + var y = offsetY - yOffset; + + // This is computing the rightmost pixel, effectively defining the + // width. + var w = g.toDomCoords(g.xAxisRange()[1], null)[0] - xOffset; + + // This is computing the lowest pixel, effectively defining the height. + var h = g.toDomCoords(null, yar0[0])[1] - yOffset; + + // Percentage from the left. + var xPct = w === 0 ? 0 : (x / w); + // Percentage from the top. + var yPct = h === 0 ? 0 : (y / h); + + // The (1-) part below changes it from "% distance down from the top" + // to "% distance up from the bottom". + return [xPct, (1-yPct)]; + } + + // Adjusts [x, y] toward each other by zoomInPercentage% + // Split it so the left/bottom axis gets xBias/yBias of that change and + // tight/top gets (1-xBias)/(1-yBias) of that change. + // + // If a bias is missing it splits it down the middle. + function zoomRange(g, zoomInPercentage, xBias, yBias) { + xBias = xBias || 0.5; + yBias = yBias || 0.5; + + function adjustAxis(axis, zoomInPercentage, bias) { + var delta = axis[1] - axis[0]; + var increment = delta * zoomInPercentage; + var foo = [increment * bias, increment * (1-bias)]; + + return [ axis[0] + foo[0], axis[1] - foo[1] ]; + } + + var yAxes = g.yAxisRanges(); + var newYAxes = []; + for (var i = 0; i < yAxes.length; i++) { + newYAxes[i] = adjustAxis(yAxes[i], zoomInPercentage, yBias); + } + + return adjustAxis(g.xAxisRange(), zoomInPercentage, xBias); + } + + if(event.altKey || event.shiftKey) { + state.dygraph_user_action = true; + + state.globalSelectionSyncStop(); + state.globalSelectionSyncDelay(); + + // http://dygraphs.com/gallery/interaction-api.js + var normal = (event.detail) ? event.detail * -1 : event.wheelDelta / 40; + var percentage = normal / 50; + + if (!(event.offsetX && event.offsetY)){ + event.offsetX = event.layerX - event.target.offsetLeft; + event.offsetY = event.layerY - event.target.offsetTop; + } + + var percentages = offsetToPercentage(dygraph, event.offsetX, event.offsetY); + var xPct = percentages[0]; + var yPct = percentages[1]; + + var new_x_range = zoomRange(dygraph, percentage, xPct, yPct); + + var after = new_x_range[0]; + var before = new_x_range[1]; + + var first = state.netdata_first + state.data_update_every; + var last = state.netdata_last + state.data_update_every; + + if(before > last) { + after -= (before - last); + before = last; + } + if(after < first) { + after = first; + } + + state.setMode('zoom'); + if(state.updateChartPanOrZoom(after, before) === true) + dygraph.updateOptions({ dateWindow: [ after, before ] }); + + event.preventDefault(); + } + }, + touchstart: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.touchstart()'); + + state.dygraph_user_action = true; + state.setMode('zoom'); + state.pauseChart(); + + Dygraph.defaultInteractionModel.touchstart(event, dygraph, context); + + // we overwrite the touch directions at the end, to overwrite + // the internal default of dygraphs + context.touchDirections = { x: true, y: false }; + + state.dygraph_last_touch_start = new Date().getTime(); + state.dygraph_last_touch_move = 0; + + if(typeof event.touches[0].pageX === 'number') + state.dygraph_last_touch_page_x = event.touches[0].pageX; + else + state.dygraph_last_touch_page_x = 0; + }, + touchmove: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.touchmove()'); + + state.dygraph_user_action = true; + Dygraph.defaultInteractionModel.touchmove(event, dygraph, context); + + state.dygraph_last_touch_move = new Date().getTime(); + }, + touchend: function(event, dygraph, context) { + if(NETDATA.options.debug.dygraph === true || state.debug === true) + state.log('interactionModel.touchend()'); + + state.dygraph_user_action = true; + Dygraph.defaultInteractionModel.touchend(event, dygraph, context); + + // if it didn't move, it is a selection + if(state.dygraph_last_touch_move === 0 && state.dygraph_last_touch_page_x !== 0) { + // internal api of dygraphs + var pct = (state.dygraph_last_touch_page_x - (dygraph.plotter_.area.x + state.element.getBoundingClientRect().left)) / dygraph.plotter_.area.w; + var t = Math.round(state.data_after + (state.data_before - state.data_after) * pct); + if(NETDATA.dygraphSetSelection(state, t) === true) + state.globalSelectionSync(t); + } + + // if it was double tap within double click time, reset the charts + var now = new Date().getTime(); + if(typeof state.dygraph_last_touch_end !== 'undefined') { + if(state.dygraph_last_touch_move === 0) { + var dt = now - state.dygraph_last_touch_end; + if(dt <= NETDATA.options.current.double_click_speed) + NETDATA.resetAllCharts(state); + } + } + + // remember the timestamp of the last touch end + state.dygraph_last_touch_end = now; + } + } + }; + + if(NETDATA.chartLibraries.dygraph.isSparkline(state)) { + state.dygraph_options.drawGrid = false; + state.dygraph_options.drawAxis = false; + state.dygraph_options.title = undefined; + state.dygraph_options.units = undefined; + state.dygraph_options.ylabel = undefined; + state.dygraph_options.yLabelWidth = 0; + state.dygraph_options.labelsDivWidth = 120; + state.dygraph_options.labelsDivStyles.width = '120px'; + state.dygraph_options.labelsSeparateLines = true; + state.dygraph_options.rightGap = 0; + } + + if(smooth === true) { + state.dygraph_smooth_eligible = true; + + if(NETDATA.options.current.smooth_plot === true) + state.dygraph_options.plotter = smoothPlotter; + } + else state.dygraph_smooth_eligible = false; + + state.dygraph_instance = new Dygraph(state.element_chart, + data.result.data, state.dygraph_options); + + state.dygraph_force_zoom = false; + state.dygraph_user_action = false; + state.dygraph_last_rendered = new Date().getTime(); + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // morris + + NETDATA.morrisInitialize = function(callback) { + if(typeof netdataNoMorris === 'undefined' || !netdataNoMorris) { + + // morris requires raphael + if(!NETDATA.chartLibraries.raphael.initialized) { + if(NETDATA.chartLibraries.raphael.enabled) { + NETDATA.raphaelInitialize(function() { + NETDATA.morrisInitialize(callback); + }); + } + else { + NETDATA.chartLibraries.morris.enabled = false; + if(typeof callback === "function") + callback(); + } + } + else { + NETDATA._loadCSS(NETDATA.morris_css); + + $.ajax({ + url: NETDATA.morris_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('morris', NETDATA.morris_js); + }) + .fail(function() { + NETDATA.chartLibraries.morris.enabled = false; + NETDATA.error(100, NETDATA.morris_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + } + else { + NETDATA.chartLibraries.morris.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.morrisChartUpdate = function(state, data) { + state.morris_instance.setData(data.result.data); + return true; + }; + + NETDATA.morrisChartCreate = function(state, data) { + + state.morris_options = { + element: state.element_chart.id, + data: data.result.data, + xkey: 'time', + ykeys: data.dimension_names, + labels: data.dimension_names, + lineWidth: 2, + pointSize: 3, + smooth: true, + hideHover: 'auto', + parseTime: true, + continuousLine: false, + behaveLikeLine: false + }; + + if(state.chart.chart_type === 'line') + state.morris_instance = new Morris.Line(state.morris_options); + + else if(state.chart.chart_type === 'area') { + state.morris_options.behaveLikeLine = true; + state.morris_instance = new Morris.Area(state.morris_options); + } + else // stacked + state.morris_instance = new Morris.Area(state.morris_options); + + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // raphael + + NETDATA.raphaelInitialize = function(callback) { + if(typeof netdataStopRaphael === 'undefined' || !netdataStopRaphael) { + $.ajax({ + url: NETDATA.raphael_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('raphael', NETDATA.raphael_js); + }) + .fail(function() { + NETDATA.chartLibraries.raphael.enabled = false; + NETDATA.error(100, NETDATA.raphael_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.raphael.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.raphaelChartUpdate = function(state, data) { + $(state.element_chart).raphael(data.result, { + width: state.chartWidth(), + height: state.chartHeight() + }); + + return false; + }; + + NETDATA.raphaelChartCreate = function(state, data) { + $(state.element_chart).raphael(data.result, { + width: state.chartWidth(), + height: state.chartHeight() + }); + + return false; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // C3 + + NETDATA.c3Initialize = function(callback) { + if(typeof netdataNoC3 === 'undefined' || !netdataNoC3) { + + // C3 requires D3 + if(!NETDATA.chartLibraries.d3.initialized) { + if(NETDATA.chartLibraries.d3.enabled) { + NETDATA.d3Initialize(function() { + NETDATA.c3Initialize(callback); + }); + } + else { + NETDATA.chartLibraries.c3.enabled = false; + if(typeof callback === "function") + callback(); + } + } + else { + NETDATA._loadCSS(NETDATA.c3_css); + + $.ajax({ + url: NETDATA.c3_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('c3', NETDATA.c3_js); + }) + .fail(function() { + NETDATA.chartLibraries.c3.enabled = false; + NETDATA.error(100, NETDATA.c3_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + } + else { + NETDATA.chartLibraries.c3.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.c3ChartUpdate = function(state, data) { + state.c3_instance.destroy(); + return NETDATA.c3ChartCreate(state, data); + + //state.c3_instance.load({ + // rows: data.result, + // unload: true + //}); + + //return true; + }; + + NETDATA.c3ChartCreate = function(state, data) { + + state.element_chart.id = 'c3-' + state.uuid; + // console.log('id = ' + state.element_chart.id); + + state.c3_instance = c3.generate({ + bindto: '#' + state.element_chart.id, + size: { + width: state.chartWidth(), + height: state.chartHeight() + }, + color: { + pattern: state.chartColors() + }, + data: { + x: 'time', + rows: data.result, + type: (state.chart.chart_type === 'line')?'spline':'area-spline' + }, + axis: { + x: { + type: 'timeseries', + tick: { + format: function(x) { + return NETDATA.zeropad(x.getHours()) + ":" + NETDATA.zeropad(x.getMinutes()) + ":" + NETDATA.zeropad(x.getSeconds()); + } + } + } + }, + grid: { + x: { + show: true + }, + y: { + show: true + } + }, + point: { + show: false + }, + line: { + connectNull: false + }, + transition: { + duration: 0 + }, + interaction: { + enabled: true + } + }); + + // console.log(state.c3_instance); + + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // D3 + + NETDATA.d3Initialize = function(callback) { + if(typeof netdataStopD3 === 'undefined' || !netdataStopD3) { + $.ajax({ + url: NETDATA.d3_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('d3', NETDATA.d3_js); + }) + .fail(function() { + NETDATA.chartLibraries.d3.enabled = false; + NETDATA.error(100, NETDATA.d3_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.d3.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.d3ChartUpdate = function(state, data) { + return false; + }; + + NETDATA.d3ChartCreate = function(state, data) { + return false; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // google charts + + NETDATA.googleInitialize = function(callback) { + if(typeof netdataNoGoogleCharts === 'undefined' || !netdataNoGoogleCharts) { + $.ajax({ + url: NETDATA.google_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('google', NETDATA.google_js); + google.load('visualization', '1.1', { + 'packages': ['corechart', 'controls'], + 'callback': callback + }); + }) + .fail(function() { + NETDATA.chartLibraries.google.enabled = false; + NETDATA.error(100, NETDATA.google_js); + if(typeof callback === "function") + callback(); + }); + } + else { + NETDATA.chartLibraries.google.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.googleChartUpdate = function(state, data) { + var datatable = new google.visualization.DataTable(data.result); + state.google_instance.draw(datatable, state.google_options); + return true; + }; + + NETDATA.googleChartCreate = function(state, data) { + var datatable = new google.visualization.DataTable(data.result); + + state.google_options = { + colors: state.chartColors(), + + // do not set width, height - the chart resizes itself + //width: state.chartWidth(), + //height: state.chartHeight(), + lineWidth: 1, + title: state.title, + fontSize: 11, + hAxis: { + // title: "Time of Day", + // format:'HH:mm:ss', + viewWindowMode: 'maximized', + slantedText: false, + format:'HH:mm:ss', + textStyle: { + fontSize: 9 + }, + gridlines: { + color: '#EEE' + } + }, + vAxis: { + title: state.units, + viewWindowMode: 'pretty', + minValue: -0.1, + maxValue: 0.1, + direction: 1, + textStyle: { + fontSize: 9 + }, + gridlines: { + color: '#EEE' + } + }, + chartArea: { + width: '65%', + height: '80%' + }, + focusTarget: 'category', + annotation: { + '1': { + style: 'line' + } + }, + pointsVisible: 0, + titlePosition: 'out', + titleTextStyle: { + fontSize: 11 + }, + tooltip: { + isHtml: false, + ignoreBounds: true, + textStyle: { + fontSize: 9 + } + }, + curveType: 'function', + areaOpacity: 0.3, + isStacked: false + }; + + switch(state.chart.chart_type) { + case "area": + state.google_options.vAxis.viewWindowMode = 'maximized'; + state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_area; + state.google_instance = new google.visualization.AreaChart(state.element_chart); + break; + + case "stacked": + state.google_options.isStacked = true; + state.google_options.areaOpacity = NETDATA.options.current.color_fill_opacity_stacked; + state.google_options.vAxis.viewWindowMode = 'maximized'; + state.google_options.vAxis.minValue = null; + state.google_options.vAxis.maxValue = null; + state.google_instance = new google.visualization.AreaChart(state.element_chart); + break; + + default: + case "line": + state.google_options.lineWidth = 2; + state.google_instance = new google.visualization.LineChart(state.element_chart); + break; + } + + state.google_instance.draw(datatable, state.google_options); + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + + NETDATA.percentFromValueMax = function(value, max) { + if(value === null) value = 0; + if(max < value) max = value; + + var pcent = 0; + if(max !== 0) { + pcent = Math.round(value * 100 / max); + if(pcent === 0 && value > 0) pcent = 1; + } + + return pcent; + } + + // ---------------------------------------------------------------------------------------------------------------- + // easy-pie-chart + + NETDATA.easypiechartInitialize = function(callback) { + if(typeof netdataNoEasyPieChart === 'undefined' || !netdataNoEasyPieChart) { + $.ajax({ + url: NETDATA.easypiechart_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('easypiechart', NETDATA.easypiechart_js); + }) + .fail(function() { + NETDATA.chartLibraries.easypiechart.enabled = false; + NETDATA.error(100, NETDATA.easypiechart_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }) + } + else { + NETDATA.chartLibraries.easypiechart.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.easypiechartClearSelection = function(state) { + if(typeof state.easyPieChartEvent !== 'undefined') { + if(state.easyPieChartEvent.timer !== null) + clearTimeout(state.easyPieChartEvent.timer); + + state.easyPieChartEvent.timer = null; + } + + if(state.isAutoRefreshed() === true && state.data !== null) { + NETDATA.easypiechartChartUpdate(state, state.data); + } + else { + state.easyPieChartLabel.innerHTML = state.legendFormatValue(null); + state.easyPieChart_instance.update(0); + } + state.easyPieChart_instance.enableAnimation(); + + return true; + }; + + NETDATA.easypiechartSetSelection = function(state, t) { + if(state.timeIsVisible(t) !== true) + return NETDATA.easypiechartClearSelection(state); + + var slot = state.calculateRowForTime(t); + if(slot < 0 || slot >= state.data.result.length) + return NETDATA.easypiechartClearSelection(state); + + if(typeof state.easyPieChartEvent === 'undefined') { + state.easyPieChartEvent = { + timer: null, + value: 0, + pcent: 0, + }; + } + + var value = state.data.result[state.data.result.length - 1 - slot]; + var max = (state.easyPieChartMax === null)?state.data.max:state.easyPieChartMax; + var pcent = NETDATA.percentFromValueMax(value, max); + + state.easyPieChartEvent.value = value; + state.easyPieChartEvent.pcent = pcent; + state.easyPieChartLabel.innerHTML = state.legendFormatValue(value); + + if(state.easyPieChartEvent.timer === null) { + state.easyPieChart_instance.disableAnimation(); + + state.easyPieChartEvent.timer = setTimeout(function() { + state.easyPieChartEvent.timer = null; + state.easyPieChart_instance.update(state.easyPieChartEvent.pcent); + }, NETDATA.options.current.charts_selection_animation_delay); + } + + return true; + }; + + NETDATA.easypiechartChartUpdate = function(state, data) { + var value, max, pcent; + + if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) { + value = null; + max = 0; + pcent = 0; + } + else { + value = data.result[0]; + max = (state.easyPieChartMax === null)?data.max:state.easyPieChartMax; + pcent = NETDATA.percentFromValueMax(value, max); + } + + state.easyPieChartLabel.innerHTML = state.legendFormatValue(value); + state.easyPieChart_instance.update(pcent); + return true; + }; + + NETDATA.easypiechartChartCreate = function(state, data) { + var self = $(state.element); + var chart = $(state.element_chart); + + var value = data.result[0]; + var max = self.data('easypiechart-max-value') || null; + var adjust = self.data('easypiechart-adjust') || null; + + if(max === null) { + max = data.max; + state.easyPieChartMax = null; + } + else + state.easyPieChartMax = max; + + var pcent = NETDATA.percentFromValueMax(value, max); + + chart.data('data-percent', pcent); + + var size; + switch(adjust) { + case 'width': size = state.chartHeight(); break; + case 'min': size = Math.min(state.chartWidth(), state.chartHeight()); break; + case 'max': size = Math.max(state.chartWidth(), state.chartHeight()); break; + case 'height': + default: size = state.chartWidth(); break; + } + state.element.style.width = size + 'px'; + state.element.style.height = size + 'px'; + + var stroke = Math.floor(size / 22); + if(stroke < 3) stroke = 2; + + var valuefontsize = Math.floor((size * 2 / 3) / 5); + var valuetop = Math.round((size - valuefontsize - (size / 40)) / 2); + state.easyPieChartLabel = document.createElement('span'); + state.easyPieChartLabel.className = 'easyPieChartLabel'; + state.easyPieChartLabel.innerHTML = state.legendFormatValue(value); + state.easyPieChartLabel.style.fontSize = valuefontsize + 'px'; + state.easyPieChartLabel.style.top = valuetop.toString() + 'px'; + state.element_chart.appendChild(state.easyPieChartLabel); + + var titlefontsize = Math.round(valuefontsize * 1.6 / 3); + var titletop = Math.round(valuetop - (titlefontsize * 2) - (size / 40)); + state.easyPieChartTitle = document.createElement('span'); + state.easyPieChartTitle.className = 'easyPieChartTitle'; + state.easyPieChartTitle.innerHTML = state.title; + state.easyPieChartTitle.style.fontSize = titlefontsize + 'px'; + state.easyPieChartTitle.style.lineHeight = titlefontsize + 'px'; + state.easyPieChartTitle.style.top = titletop.toString() + 'px'; + state.element_chart.appendChild(state.easyPieChartTitle); + + var unitfontsize = Math.round(titlefontsize * 0.9); + var unittop = Math.round(valuetop + (valuefontsize + unitfontsize) + (size / 40)); + state.easyPieChartUnits = document.createElement('span'); + state.easyPieChartUnits.className = 'easyPieChartUnits'; + state.easyPieChartUnits.innerHTML = state.units; + state.easyPieChartUnits.style.fontSize = unitfontsize + 'px'; + state.easyPieChartUnits.style.top = unittop.toString() + 'px'; + state.element_chart.appendChild(state.easyPieChartUnits); + + chart.easyPieChart({ + barColor: self.data('easypiechart-barcolor') || state.chartColors()[0], //'#ef1e25', + trackColor: self.data('easypiechart-trackcolor') || NETDATA.themes.current.easypiechart_track, + scaleColor: self.data('easypiechart-scalecolor') || NETDATA.themes.current.easypiechart_scale, + scaleLength: self.data('easypiechart-scalelength') || 5, + lineCap: self.data('easypiechart-linecap') || 'round', + lineWidth: self.data('easypiechart-linewidth') || stroke, + trackWidth: self.data('easypiechart-trackwidth') || undefined, + size: self.data('easypiechart-size') || size, + rotate: self.data('easypiechart-rotate') || 0, + animate: self.data('easypiechart-rotate') || {duration: 500, enabled: true}, + easing: self.data('easypiechart-easing') || undefined + }); + + // when we just re-create the chart + // do not animate the first update + var animate = true; + if(typeof state.easyPieChart_instance !== 'undefined') + animate = false; + + state.easyPieChart_instance = chart.data('easyPieChart'); + if(animate === false) state.easyPieChart_instance.disableAnimation(); + state.easyPieChart_instance.update(pcent); + if(animate === false) state.easyPieChart_instance.enableAnimation(); + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // gauge.js + + NETDATA.gaugeInitialize = function(callback) { + if(typeof netdataNoGauge === 'undefined' || !netdataNoGauge) { + $.ajax({ + url: NETDATA.gauge_js, + cache: true, + dataType: "script" + }) + .done(function() { + NETDATA.registerChartLibrary('gauge', NETDATA.gauge_js); + }) + .fail(function() { + NETDATA.chartLibraries.gauge.enabled = false; + NETDATA.error(100, NETDATA.gauge_js); + }) + .always(function() { + if(typeof callback === "function") + callback(); + }) + } + else { + NETDATA.chartLibraries.gauge.enabled = false; + if(typeof callback === "function") + callback(); + } + }; + + NETDATA.gaugeAnimation = function(state, status) { + var speed = 32; + + if(typeof status === 'boolean' && status === false) + speed = 1000000000; + else if(typeof status === 'number') + speed = status; + + state.gauge_instance.animationSpeed = speed; + state.___gaugeOld__.speed = speed; + } + + NETDATA.gaugeSet = function(state, value, min, max) { + if(typeof value !== 'number') value = 0; + if(typeof min !== 'number') min = 0; + if(typeof max !== 'number') max = 0; + if(value > max) max = value; + if(value < min) min = value; + if(min > max) { + var t = min; + min = max; + max = t; + } + else if(min == max) + max = min + 1; + + // gauge.js has an issue if the needle + // is smaller than min or larger than max + // when we set the new values + // the needle will go crazy + + // to prevent it, we always feed it + // with a percentage, so that the needle + // is always between min and max + var pcent = (value - min) * 100 / (max - min); + + // these should never happen + if(pcent < 0) pcent = 0; + if(pcent > 100) pcent = 100; + + state.gauge_instance.set(pcent); + + state.___gaugeOld__.value = value; + state.___gaugeOld__.min = min; + state.___gaugeOld__.max = max; + }; + + NETDATA.gaugeSetLabels = function(state, value, min, max) { + if(state.___gaugeOld__.valueLabel !== value) { + state.___gaugeOld__.valueLabel = value; + state.gaugeChartLabel.innerHTML = state.legendFormatValue(value); + } + if(state.___gaugeOld__.minLabel !== min) { + state.___gaugeOld__.minLabel = min; + state.gaugeChartMin.innerHTML = state.legendFormatValue(min); + } + if(state.___gaugeOld__.maxLabel !== max) { + state.___gaugeOld__.maxLabel = max; + state.gaugeChartMax.innerHTML = state.legendFormatValue(max); + } + }; + + NETDATA.gaugeClearSelection = function(state) { + if(typeof state.gaugeEvent !== 'undefined') { + if(state.gaugeEvent.timer !== null) + clearTimeout(state.gaugeEvent.timer); + + state.gaugeEvent.timer = null; + } + + if(state.isAutoRefreshed() === true && state.data !== null) { + NETDATA.gaugeChartUpdate(state, state.data); + } + else { + NETDATA.gaugeAnimation(state, false); + NETDATA.gaugeSet(state, null, null, null); + NETDATA.gaugeSetLabels(state, null, null, null); + } + + NETDATA.gaugeAnimation(state, true); + return true; + }; + + NETDATA.gaugeSetSelection = function(state, t) { + if(state.timeIsVisible(t) !== true) + return NETDATA.gaugeClearSelection(state); + + var slot = state.calculateRowForTime(t); + if(slot < 0 || slot >= state.data.result.length) + return NETDATA.gaugeClearSelection(state); + + if(typeof state.gaugeEvent === 'undefined') { + state.gaugeEvent = { + timer: null, + value: 0, + min: 0, + max: 0 + }; + } + + var value = state.data.result[state.data.result.length - 1 - slot]; + var max = (state.gaugeMax === null)?state.data.max:state.gaugeMax; + var min = 0; + + state.gaugeEvent.value = value; + state.gaugeEvent.max = max; + state.gaugeEvent.min = min; + NETDATA.gaugeSetLabels(state, value, min, max); + + if(state.gaugeEvent.timer === null) { + NETDATA.gaugeAnimation(state, false); + + state.gaugeEvent.timer = setTimeout(function() { + state.gaugeEvent.timer = null; + NETDATA.gaugeSet(state, state.gaugeEvent.value, state.gaugeEvent.min, state.gaugeEvent.max); + }, NETDATA.options.current.charts_selection_animation_delay); + } + + return true; + }; + + NETDATA.gaugeChartUpdate = function(state, data) { + var value, min, max; + + if(NETDATA.globalPanAndZoom.isActive() === true || state.isAutoRefreshed() === false) { + value = 0; + min = 0; + max = 1; + NETDATA.gaugeSetLabels(state, null, null, null); + } + else { + value = data.result[0]; + min = 0; + max = (state.gaugeMax === null)?data.max:state.gaugeMax; + if(value > max) max = value; + NETDATA.gaugeSetLabels(state, value, min, max); + } + + NETDATA.gaugeSet(state, value, min, max); + return true; + }; + + NETDATA.gaugeChartCreate = function(state, data) { + var self = $(state.element); + var chart = $(state.element_chart); + + var value = data.result[0]; + var max = self.data('gauge-max-value') || null; + var adjust = self.data('gauge-adjust') || null; + var pointerColor = self.data('gauge-pointer-color') || NETDATA.themes.current.gauge_pointer; + var strokeColor = self.data('gauge-stroke-color') || NETDATA.themes.current.gauge_stroke; + var startColor = self.data('gauge-start-color') || state.chartColors()[0]; + var stopColor = self.data('gauge-stop-color') || void 0; + var generateGradient = self.data('gauge-generate-gradient') || false; + + if(max === null) { + max = data.max; + state.gaugeMax = null; + } + else + state.gaugeMax = max; + + var width = state.chartWidth(), height = state.chartHeight(); //, ratio = 1.5; + //switch(adjust) { + // case 'width': width = height * ratio; break; + // case 'height': + // default: height = width / ratio; break; + //} + //state.element.style.width = width.toString() + 'px'; + //state.element.style.height = height.toString() + 'px'; + + var lum_d = 0.05; + + var options = { + lines: 12, // The number of lines to draw + angle: 0.15, // The length of each line + lineWidth: 0.44, // 0.44 The line thickness + pointer: { + length: 0.8, // 0.9 The radius of the inner circle + strokeWidth: 0.035, // The rotation offset + color: pointerColor // Fill color + }, + colorStart: startColor, // Colors + colorStop: stopColor, // just experiment with them + strokeColor: strokeColor, // to see which ones work best for you + limitMax: true, + generateGradient: generateGradient, + gradientType: 0 + }; + + if(generateGradient === false && NETDATA.themes.current.gauge_gradient === true) { + options.percentColors = [ + [0.0, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 0))], + [0.1, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 1))], + [0.2, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 2))], + [0.3, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 3))], + [0.4, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 4))], + [0.5, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 5))], + [0.6, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 6))], + [0.7, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 7))], + [0.8, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 8))], + [0.9, NETDATA.colorLuminance(startColor, (lum_d * 10) - (lum_d * 9))], + [1.0, NETDATA.colorLuminance(startColor, 0.0)]]; + } + + state.gauge_canvas = document.createElement('canvas'); + state.gauge_canvas.id = 'gauge-' + state.uuid + '-canvas'; + state.gauge_canvas.className = 'gaugeChart'; + state.gauge_canvas.width = width; + state.gauge_canvas.height = height; + state.element_chart.appendChild(state.gauge_canvas); + + var valuefontsize = Math.floor(height / 6); + var valuetop = Math.round((height - valuefontsize - (height / 6)) / 2); + state.gaugeChartLabel = document.createElement('span'); + state.gaugeChartLabel.className = 'gaugeChartLabel'; + state.gaugeChartLabel.style.fontSize = valuefontsize + 'px'; + state.gaugeChartLabel.style.top = valuetop.toString() + 'px'; + state.element_chart.appendChild(state.gaugeChartLabel); + + var titlefontsize = Math.round(valuefontsize / 2); + var titletop = 0; + state.gaugeChartTitle = document.createElement('span'); + state.gaugeChartTitle.className = 'gaugeChartTitle'; + state.gaugeChartTitle.innerHTML = state.title; + state.gaugeChartTitle.style.fontSize = titlefontsize + 'px'; + state.gaugeChartTitle.style.lineHeight = titlefontsize + 'px'; + state.gaugeChartTitle.style.top = titletop.toString() + 'px'; + state.element_chart.appendChild(state.gaugeChartTitle); + + var unitfontsize = Math.round(titlefontsize * 0.9); + state.gaugeChartUnits = document.createElement('span'); + state.gaugeChartUnits.className = 'gaugeChartUnits'; + state.gaugeChartUnits.innerHTML = state.units; + state.gaugeChartUnits.style.fontSize = unitfontsize + 'px'; + state.element_chart.appendChild(state.gaugeChartUnits); + + state.gaugeChartMin = document.createElement('span'); + state.gaugeChartMin.className = 'gaugeChartMin'; + state.gaugeChartMin.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px'; + state.element_chart.appendChild(state.gaugeChartMin); + + state.gaugeChartMax = document.createElement('span'); + state.gaugeChartMax.className = 'gaugeChartMax'; + state.gaugeChartMax.style.fontSize = Math.round(valuefontsize * 0.75).toString() + 'px'; + state.element_chart.appendChild(state.gaugeChartMax); + + // when we just re-create the chart + // do not animate the first update + var animate = true; + if(typeof state.gauge_instance !== 'undefined') + animate = false; + + state.gauge_instance = new Gauge(state.gauge_canvas).setOptions(options); // create sexy gauge! + + state.___gaugeOld__ = { + value: value, + min: 0, + max: max, + valueLabel: null, + minLabel: null, + maxLabel: null + }; + + // we will always feed a percentage + state.gauge_instance.minValue = 0; + state.gauge_instance.maxValue = 100; + + NETDATA.gaugeAnimation(state, animate); + NETDATA.gaugeSet(state, value, 0, max); + NETDATA.gaugeSetLabels(state, value, 0, max); + NETDATA.gaugeAnimation(state, true); + return true; + }; + + // ---------------------------------------------------------------------------------------------------------------- + // Charts Libraries Registration + + NETDATA.chartLibraries = { + "dygraph": { + initialize: NETDATA.dygraphInitialize, + create: NETDATA.dygraphChartCreate, + update: NETDATA.dygraphChartUpdate, + resize: function(state) { + if(typeof state.dygraph_instance.resize === 'function') + state.dygraph_instance.resize(); + }, + setSelection: NETDATA.dygraphSetSelection, + clearSelection: NETDATA.dygraphClearSelection, + initialized: false, + enabled: true, + format: function(state) { return 'json'; }, + options: function(state) { return 'ms|flip'; }, + legend: function(state) { + if(this.isSparkline(state) === false) + return 'right-side'; + else + return null; + }, + autoresize: function(state) { return true; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return true; }, + pixels_per_point: function(state) { + if(this.isSparkline(state) === false) + return 3; + else + return 2; + }, + + isSparkline: function(state) { + if(typeof state.dygraph_sparkline === 'undefined') { + var t = $(state.element).data('dygraph-theme'); + if(t === 'sparkline') + state.dygraph_sparkline = true; + else + state.dygraph_sparkline = false; + } + return state.dygraph_sparkline; + } + }, + "sparkline": { + initialize: NETDATA.sparklineInitialize, + create: NETDATA.sparklineChartCreate, + update: NETDATA.sparklineChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'array'; }, + options: function(state) { return 'flip|abs'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 3; } + }, + "peity": { + initialize: NETDATA.peityInitialize, + create: NETDATA.peityChartCreate, + update: NETDATA.peityChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'ssvcomma'; }, + options: function(state) { return 'null2zero|flip|abs'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 3; } + }, + "morris": { + initialize: NETDATA.morrisInitialize, + create: NETDATA.morrisChartCreate, + update: NETDATA.morrisChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'json'; }, + options: function(state) { return 'objectrows|ms'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 50; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 15; } + }, + "google": { + initialize: NETDATA.googleInitialize, + create: NETDATA.googleChartCreate, + update: NETDATA.googleChartUpdate, + resize: null, + setSelection: undefined, //function(state, t) { return true; }, + clearSelection: undefined, //function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'datatable'; }, + options: function(state) { return ''; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 300; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 4; } + }, + "raphael": { + initialize: NETDATA.raphaelInitialize, + create: NETDATA.raphaelChartCreate, + update: NETDATA.raphaelChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'json'; }, + options: function(state) { return ''; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 3; } + }, + "c3": { + initialize: NETDATA.c3Initialize, + create: NETDATA.c3ChartCreate, + update: NETDATA.c3ChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'csvjsonarray'; }, + options: function(state) { return 'milliseconds'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 15; } + }, + "d3": { + initialize: NETDATA.d3Initialize, + create: NETDATA.d3ChartCreate, + update: NETDATA.d3ChartUpdate, + resize: null, + setSelection: undefined, // function(state, t) { return true; }, + clearSelection: undefined, // function(state) { return true; }, + initialized: false, + enabled: true, + format: function(state) { return 'json'; }, + options: function(state) { return ''; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return false; }, + pixels_per_point: function(state) { return 3; } + }, + "easypiechart": { + initialize: NETDATA.easypiechartInitialize, + create: NETDATA.easypiechartChartCreate, + update: NETDATA.easypiechartChartUpdate, + resize: null, + setSelection: NETDATA.easypiechartSetSelection, + clearSelection: NETDATA.easypiechartClearSelection, + initialized: false, + enabled: true, + format: function(state) { return 'array'; }, + options: function(state) { return 'absolute'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return true; }, + pixels_per_point: function(state) { return 3; }, + aspect_ratio: 100 + }, + "gauge": { + initialize: NETDATA.gaugeInitialize, + create: NETDATA.gaugeChartCreate, + update: NETDATA.gaugeChartUpdate, + resize: null, + setSelection: NETDATA.gaugeSetSelection, + clearSelection: NETDATA.gaugeClearSelection, + initialized: false, + enabled: true, + format: function(state) { return 'array'; }, + options: function(state) { return 'absolute'; }, + legend: function(state) { return null; }, + autoresize: function(state) { return false; }, + max_updates_to_recreate: function(state) { return 5000; }, + track_colors: function(state) { return true; }, + pixels_per_point: function(state) { return 3; }, + aspect_ratio: 70 + } + }; + + NETDATA.registerChartLibrary = function(library, url) { + if(NETDATA.options.debug.libraries === true) + console.log("registering chart library: " + library); + + NETDATA.chartLibraries[library].url = url; + NETDATA.chartLibraries[library].initialized = true; + NETDATA.chartLibraries[library].enabled = true; + } + + // ---------------------------------------------------------------------------------------------------------------- + // Start up + + NETDATA.requiredJs = [ + { + url: NETDATA.serverDefault + 'lib/bootstrap.min.js', + isAlreadyLoaded: function() { + if(typeof $().emulateTransitionEnd == 'function') + return true; + else { + if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap) + return true; + else + return false; + } + } + }, + { + url: NETDATA.serverDefault + 'lib/jquery.nanoscroller.min.js', + isAlreadyLoaded: function() { return false; } + }, + { + url: NETDATA.serverDefault + 'lib/bootstrap-toggle.min.js', + isAlreadyLoaded: function() { return false; } + } + ]; + + NETDATA.requiredCSS = [ + { + url: NETDATA.themes.current.bootstrap_css, + isAlreadyLoaded: function() { + if(typeof netdataNoBootstrap !== 'undefined' && netdataNoBootstrap) + return true; + else + return false; + } + }, + { + url: NETDATA.serverDefault + 'css/font-awesome.min.css', + isAlreadyLoaded: function() { return false; } + }, + { + url: NETDATA.themes.current.dashboard_css, + isAlreadyLoaded: function() { return false; } + }, + { + url: NETDATA.serverDefault + 'css/bootstrap-toggle.min.css', + isAlreadyLoaded: function() { return false; } + } + ]; + + NETDATA.loadRequiredJs = function(index, callback) { + if(index >= NETDATA.requiredJs.length) { + if(typeof callback === 'function') + callback(); + return; + } + + if(NETDATA.requiredJs[index].isAlreadyLoaded()) { + NETDATA.loadRequiredJs(++index, callback); + return; + } + + if(NETDATA.options.debug.main_loop === true) + console.log('loading ' + NETDATA.requiredJs[index].url); + + $.ajax({ + url: NETDATA.requiredJs[index].url, + cache: true, + dataType: "script" + }) + .success(function() { + if(NETDATA.options.debug.main_loop === true) + console.log('loaded ' + NETDATA.requiredJs[index].url); + + NETDATA.loadRequiredJs(++index, callback); + }) + .fail(function() { + alert('Cannot load required JS library: ' + NETDATA.requiredJs[index].url); + }) + } + + NETDATA.loadRequiredCSS = function(index) { + if(index >= NETDATA.requiredCSS.length) + return; + + if(NETDATA.requiredCSS[index].isAlreadyLoaded()) { + NETDATA.loadRequiredCSS(++index); + return; + } + + if(NETDATA.options.debug.main_loop === true) + console.log('loading ' + NETDATA.requiredCSS[index].url); + + NETDATA._loadCSS(NETDATA.requiredCSS[index].url); + NETDATA.loadRequiredCSS(++index); + } + + NETDATA.errorReset(); + NETDATA.loadRequiredCSS(0); + + NETDATA._loadjQuery(function() { + NETDATA.loadRequiredJs(0, function() { + if(typeof netdataDontStart === 'undefined' || !netdataDontStart) { + if(NETDATA.options.debug.main_loop === true) + console.log('starting chart refresh thread'); + + NETDATA.start(); + } + }); + }); + + // window.NETDATA = NETDATA; +// })(window, document); |