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Edit File: jquery.flot.growraf.js
/* * The MIT License This is a fork of jquery.flot.grow by Thodoris Greasidis, that implements the growing animations using requestAnimationFrame and introduces varius bug fixes and improvements. Copyright (c) 2013 by Thodoris Greasidis Copyright (c) 2010,2011,2012, 2013 by Juergen Marsch Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ (function ($) { "use strict"; var pluginName = "growraf", pluginVersion = "0.4.5"; var options = { series: { grow: { active: false, //stepDelay: 20, //steps: 100, duration: 1000, valueIndex: 1, reanimate: true, growings: [ { valueIndex: 1, stepMode: "linear", stepDirection: "up", reanimate: "continue" } ] } } }; /** @enum {number} */ var GrowPhase = { NOT_PLOTTED_YET: 0, PLOTTED_SOME_FRAMES: 1, PLOTTED_LAST_FRAME: 2 }; var growFunctions = { none: function (dataj, timePassed, growing, growPhase) { if (growPhase === GrowPhase.NOT_PLOTTED_YET) { for (var i = 0, djdatalen = dataj.data.length; i < djdatalen; i++) { dataj.data[i][growing.valueIndex] = dataj.dataOrg[i][growing.valueIndex]; } } }, linear: function (dataj, timePassed, growing, growPhase) { var percentage = Math.min(timePassed / dataj.grow.duration, 1); for (var i = 0, djdatalen = dataj.data.length; i < djdatalen; i++) { var originalValue = dataj.dataOrg[i][growing.valueIndex]; if (originalValue !== null) { if (growing.stepDirection === 'up') { dataj.data[i][growing.valueIndex] = originalValue * percentage; } else if (growing.stepDirection === 'down') { dataj.data[i][growing.valueIndex] = originalValue + (dataj.yaxis.max - originalValue) * (1 - percentage); } } else { dataj.data[i][growing.valueIndex] = null; } } }, maximum: function (dataj, timePassed, growing, growPhase) { var percentage = Math.min(timePassed / dataj.grow.duration, 1); var upMax = dataj.yaxis.max * percentage, upMin = dataj.yaxis.min * percentage, downMax = dataj.yaxis.max * (1 - percentage), downMin = dataj.yaxis.min * (1 - percentage); for (var i = 0, djdatalen = dataj.data.length; i < djdatalen; i++) { var originalValue = dataj.dataOrg[i][growing.valueIndex]; if (originalValue !== null) { if (growing.stepDirection === 'up') { if (originalValue >= 0) { dataj.data[i][growing.valueIndex] = Math.min(originalValue, upMax); } else { dataj.data[i][growing.valueIndex] = Math.max(originalValue, upMin); } } else if (growing.stepDirection === 'down') { if (originalValue >= 0) { dataj.data[i][growing.valueIndex] = Math.max(originalValue, downMax); } else { dataj.data[i][growing.valueIndex] = Math.min(originalValue, downMin); } } } else { dataj.data[i][growing.valueIndex] = null; } } }, delay: function (dataj, timePassed, growing, growPhase) { if (timePassed >= dataj.grow.duration) { for (var i = 0, djdatalen = dataj.data.length; i < djdatalen; i++) { dataj.data[i][growing.valueIndex] = dataj.dataOrg[i][growing.valueIndex]; } } }, reanimate: function (dataj, timePassed, growing, growPhase) { var percentage = Math.min(timePassed / dataj.grow.duration, 1); for (var i = 0, djdatalen = dataj.data.length; i < djdatalen; i++) { var targetValue = dataj.dataOrg[i][growing.valueIndex]; if (targetValue === null) { dataj.data[i][growing.valueIndex] = null; } else if (dataj.dataOld) { var oldData = dataj.dataOld[i][growing.valueIndex]; dataj.data[i][growing.valueIndex] = oldData + (targetValue - oldData) * percentage; } } } }; var requestAnimationFrame; var cancelAnimationFrame; polyfillLocalRequestAnimationFrame(); function init(plot) { // State variables var processSeriesDone = false; var initGrowingLoop = true; var startTime = 0, timePassed = 0, growPhase = GrowPhase.NOT_PLOTTED_YET; var dataOld = []; var growfunc; var plt = plot; var data = null; var opt = null; plot.hooks.drawSeries.push(processSeries); plot.hooks.draw.push(drawDone); plot.hooks.bindEvents.push(processbindEvents); plot.hooks.shutdown.push(shutdown); function processSeries(plot, canvascontext, series) { opt = plot.getOptions(); var valueIndex = opt.series.grow.valueIndex; if (opt.series.grow.active === true) { var reanimate = false; var j = 0; if (opt.series.grow.reanimate && growPhase === GrowPhase.PLOTTED_LAST_FRAME) { // reset animation state processSeriesDone = false; growPhase = GrowPhase.NOT_PLOTTED_YET; startTime = 0; // restore old data from the tempory variable to the actual plot data data = plot.getData(); var minLen = Math.min(data.length, dataOld.length); for (j = 0; j < minLen; j++) { data[j].dataOld = dataOld[j]; } reanimate = true; initGrowingLoop = true; } if (!processSeriesDone) { // do not refetch the data in case of a reanimate, // so that a single setData is called if (!reanimate) { data = plot.getData(); } growPhase = GrowPhase.NOT_PLOTTED_YET; startTime = +new Date() | 0; dataOld = []; for (j = 0; j < data.length; j++) { var dataj = data[j]; // deep cloning the original data dataj.dataOrg = $.extend(true, [], dataj.data); // keep the data in a temporary array, in case a reanimation is requested dataOld.push(dataj.dataOrg); if (!reanimate) { // set zero or null initial data values. for (var i = 0; i < dataj.data.length; i++) { dataj.data[i][valueIndex] = dataj.dataOrg[i][valueIndex] === null ? null : 0; } } } plot.setData(data); processSeriesDone = true; } } } function drawDone(plot, canvascontext) { if (initGrowingLoop === true) { initiateGrowingLoop(plot); } } function initiateGrowingLoop(plot) { opt = plot.getOptions(); if (opt.series.grow.active === true) { calculateMaxDuration(plot.getData(), opt); startTime = +new Date() | 0; growfunc = requestAnimationFrame(growingLoop); } initGrowingLoop = false; } function calculateMaxDuration(data, opt) { var maxDuration = opt.series.grow.duration; for (var j = 0, datalen = data.length; j < datalen; j++) { var datajDuration = data[j].grow.duration; if (maxDuration < datajDuration) { maxDuration = datajDuration; } } opt.series.grow.duration = maxDuration; } function processbindEvents(plot, eventHolder) { if (isPluginRegistered('resize')) { plot.getPlaceholder().resize(onResize); } } function growingLoop() { timePassed = (+new Date()) - startTime | 0; for (var j = 0, datalen = data.length; j < datalen; j++) { var dataj = data[j]; var isReAnimation = dataj.dataOld && dataj.dataOld.length > 0; for (var g = 0, glen = dataj.grow.growings.length; g < glen; g++) { var growing = dataj.grow.growings[g]; var func; if (isReAnimation && growing.reanimate !== 'reinit') { if (typeof growing.reanimate === 'function') { func = growing.reanimate; } if (growing.reanimate === 'continue') { func = growFunctions.reanimate; } else {// if (growing.reanimate === 'none') func = growFunctions.none; } } else if (typeof growing.stepMode === 'function') { func = growing.stepMode; } else { // if stepMode does not exist, use 'none' func = growFunctions[growing.stepMode] || growFunctions.none; } func(dataj, timePassed, growing, growPhase); } } plt.setData(data); plt.draw(); if (growPhase === GrowPhase.NOT_PLOTTED_YET) { growPhase = GrowPhase.PLOTTED_SOME_FRAMES; } if (timePassed < opt.series.grow.duration) { growfunc = requestAnimationFrame(growingLoop); } else { growPhase = GrowPhase.PLOTTED_LAST_FRAME; growfunc = null; plt.getPlaceholder().trigger('growFinished'); } } function onResize() { if (growfunc) { for (var j = 0; j < data.length; j++) { var dataj = data[j]; // deep cloning the original data dataj.data = $.extend(true, [], dataj.dataOrg); } plot.setData(data); plot.setupGrid(); } } function shutdown(plot, eventHolder) { plot.getPlaceholder().unbind('resize', onResize); if (growfunc) { cancelAnimationFrame(growfunc); growfunc = null; } } } function isPluginRegistered(pluginName) { var plugins = $.plot.plugins; for (var i = 0, len = plugins.length; i < len; i++) { var plug = plugins[i]; if (plug.name === pluginName) { return true; } } return false; } // Derived from: // http://paulirish.com/2011/requestanimationframe-for-smart-animating/ // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating // requestAnimationFrame polyfill by Erik Möller // fixes from Paul Irish and Tino Zijdel function polyfillLocalRequestAnimationFrame() { var rAF = window.requestAnimationFrame; var cAF = window.cancelAnimationFrame; var lastTime = +new Date(); var vendors = ['ms', 'moz', 'webkit', 'o']; for(var x = 0; x < vendors.length && !rAF; ++x) { rAF = window[vendors[x]+'RequestAnimationFrame']; cAF = window[vendors[x]+'CancelAnimationFrame'] || window[vendors[x]+'CancelRequestAnimationFrame']; } if (!rAF) { rAF = function(callback, element) { var currTime = +new Date(); var timeToCall = Math.max(0, 16 - (currTime - lastTime)); var id = window.setTimeout(function() { callback(currTime + timeToCall); }, timeToCall); lastTime = currTime + timeToCall; return id; }; } if (!cAF) { cAF = function(id) { clearTimeout(id); }; } requestAnimationFrame = rAF; cancelAnimationFrame = cAF; } $.plot.plugins.push({ init: init, options: options, name: pluginName, version: pluginVersion }); })(jQuery);