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(factory) {\n 'use strict';\n if (typeof exports === 'object') {\n // Node/CommonJS\n module.exports = factory(\n typeof angular !== 'undefined' ? angular : require('angular'),\n typeof Chart !== 'undefined' ? Chart : require('chart.js'));\n } else if (typeof define === 'function' && define.amd) {\n // AMD. Register as an anonymous module.\n define(['angular', 'chart'], factory);\n } else {\n // Browser globals\n factory(angular, Chart);\n }\n}(function (angular, Chart) {\n 'use strict';\n\n Chart.defaults.global.responsive = true;\n Chart.defaults.global.multiTooltipTemplate = '<%if (datasetLabel){%><%=datasetLabel%>: <%}%><%= value %>';\n\n Chart.defaults.global.colours = [\n '#97BBCD', // blue\n '#DCDCDC', // light grey\n '#F7464A', // red\n '#46BFBD', // green\n '#FDB45C', // yellow\n '#949FB1', // grey\n '#4D5360' // dark grey\n ];\n\n var usingExcanvas = typeof window.G_vmlCanvasManager === 'object' &&\n window.G_vmlCanvasManager !== null &&\n typeof window.G_vmlCanvasManager.initElement === 'function';\n\n if (usingExcanvas) Chart.defaults.global.animation = false;\n\n return angular.module('chart.js', [])\n .provider('ChartJs', ChartJsProvider)\n .factory('ChartJsFactory', ['ChartJs', '$timeout', ChartJsFactory])\n .directive('chartBase', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory(); }])\n .directive('chartLine', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('Line'); }])\n .directive('chartBar', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('Bar'); }])\n .directive('chartRadar', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('Radar'); }])\n .directive('chartDoughnut', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('Doughnut'); }])\n .directive('chartPie', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('Pie'); }])\n .directive('chartPolarArea', ['ChartJsFactory', function (ChartJsFactory) { return new ChartJsFactory('PolarArea'); }]);\n\n /**\n * Wrapper for chart.js\n * Allows configuring chart js using the provider\n *\n * angular.module('myModule', ['chart.js']).config(function(ChartJsProvider) {\n * ChartJsProvider.setOptions({ responsive: true });\n * ChartJsProvider.setOptions('Line', { responsive: false });\n * })))\n */\n function ChartJsProvider () {\n var options = {};\n var ChartJs = {\n Chart: Chart,\n getOptions: function (type) {\n var typeOptions = type && options[type] || {};\n return angular.extend({}, options, typeOptions);\n }\n };\n\n /**\n * Allow to set global options during configuration\n */\n this.setOptions = function (type, customOptions) {\n // If no type was specified set option for the global object\n if (! customOptions) {\n customOptions = type;\n options = angular.extend(options, customOptions);\n return;\n }\n // Set options for the specific chart\n options[type] = angular.extend(options[type] || {}, customOptions);\n };\n\n this.$get = function () {\n return ChartJs;\n };\n }\n\n function ChartJsFactory (ChartJs, $timeout) {\n return function chart (type) {\n return {\n restrict: 'CA',\n scope: {\n data: '=?',\n labels: '=?',\n options: '=?',\n series: '=?',\n colours: '=?',\n getColour: '=?',\n chartType: '=',\n legend: '@',\n click: '=?',\n hover: '=?',\n\n chartData: '=?',\n chartLabels: '=?',\n chartOptions: '=?',\n chartSeries: '=?',\n chartColours: '=?',\n chartLegend: '@',\n chartClick: '=?',\n chartHover: '=?'\n },\n link: function (scope, elem/*, attrs */) {\n var chart, container = document.createElement('div');\n container.className = 'chart-container';\n elem.replaceWith(container);\n container.appendChild(elem[0]);\n\n if (usingExcanvas) window.G_vmlCanvasManager.initElement(elem[0]);\n\n ['data', 'labels', 'options', 'series', 'colours', 'legend', 'click', 'hover'].forEach(deprecated);\n function aliasVar (fromName, toName) {\n scope.$watch(fromName, function (newVal) {\n if (typeof newVal === 'undefined') return;\n scope[toName] = newVal;\n });\n }\n /* provide backward compatibility to \"old\" directive names, by\n * having an alias point from the new names to the old names. */\n aliasVar('chartData', 'data');\n aliasVar('chartLabels', 'labels');\n aliasVar('chartOptions', 'options');\n aliasVar('chartSeries', 'series');\n aliasVar('chartColours', 'colours');\n aliasVar('chartLegend', 'legend');\n aliasVar('chartClick', 'click');\n aliasVar('chartHover', 'hover');\n\n // Order of setting \"watch\" matter\n\n scope.$watch('data', function (newVal, oldVal) {\n if (! newVal || ! newVal.length || (Array.isArray(newVal[0]) && ! newVal[0].length)) {\n destroyChart(chart, scope);\n return;\n }\n var chartType = type || scope.chartType;\n if (! chartType) return;\n\n if (chart && canUpdateChart(newVal, oldVal))\n return updateChart(chart, newVal, scope, elem);\n\n createChart(chartType);\n }, true);\n\n scope.$watch('series', resetChart, true);\n scope.$watch('labels', resetChart, true);\n scope.$watch('options', resetChart, true);\n scope.$watch('colours', resetChart, true);\n\n scope.$watch('chartType', function (newVal, oldVal) {\n if (isEmpty(newVal)) return;\n if (angular.equals(newVal, oldVal)) return;\n createChart(newVal);\n });\n\n scope.$on('$destroy', function () {\n destroyChart(chart, scope);\n });\n\n function resetChart (newVal, oldVal) {\n if (isEmpty(newVal)) return;\n if (angular.equals(newVal, oldVal)) return;\n var chartType = type || scope.chartType;\n if (! chartType) return;\n\n // chart.update() doesn't work for series and labels\n // so we have to re-create the chart entirely\n createChart(chartType);\n }\n\n function createChart (type) {\n if (isResponsive(type, scope) && elem[0].clientHeight === 0 && container.clientHeight === 0) {\n return $timeout(function () {\n createChart(type);\n }, 50, false);\n }\n if (! scope.data || ! scope.data.length) return;\n scope.getColour = typeof scope.getColour === 'function' ? scope.getColour : getRandomColour;\n var colours = getColours(type, scope);\n var cvs = elem[0], ctx = cvs.getContext('2d');\n var data = Array.isArray(scope.data[0]) ?\n getDataSets(scope.labels, scope.data, scope.series || [], colours) :\n getData(scope.labels, scope.data, colours);\n var options = angular.extend({}, ChartJs.getOptions(type), scope.options);\n\n // Destroy old chart if it exists to avoid ghost charts issue\n // https://github.com/jtblin/angular-chart.js/issues/187\n destroyChart(chart, scope);\n chart = new ChartJs.Chart(ctx)[type](data, options);\n scope.$emit('create', chart);\n\n // Bind events\n cvs.onclick = scope.click ? getEventHandler(scope, chart, 'click', false) : angular.noop;\n cvs.onmousemove = scope.hover ? getEventHandler(scope, chart, 'hover', true) : angular.noop;\n\n if (scope.legend && scope.legend !== 'false') setLegend(elem, chart);\n }\n\n function deprecated (attr) {\n if (typeof console !== 'undefined' && ChartJs.getOptions().env !== 'test') {\n var warn = typeof console.warn === 'function' ? console.warn : console.log;\n if (!! scope[attr]) {\n warn.call(console, '\"%s\" is deprecated and will be removed in a future version. ' +\n 'Please use \"chart-%s\" instead.', attr, attr);\n }\n }\n }\n }\n };\n };\n\n function canUpdateChart (newVal, oldVal) {\n if (newVal && oldVal && newVal.length && oldVal.length) {\n return Array.isArray(newVal[0]) ?\n newVal.length === oldVal.length && newVal.every(function (element, index) {\n return element.length === oldVal[index].length; }) :\n oldVal.reduce(sum, 0) > 0 ? newVal.length === oldVal.length : false;\n }\n return false;\n }\n\n function sum (carry, val) {\n return carry + val;\n }\n\n function getEventHandler (scope, chart, action, triggerOnlyOnChange) {\n var lastState = null;\n return function (evt) {\n var atEvent = chart.getPointsAtEvent || chart.getBarsAtEvent || chart.getSegmentsAtEvent;\n if (atEvent) {\n var activePoints = atEvent.call(chart, evt);\n if (triggerOnlyOnChange === false || angular.equals(lastState, activePoints) === false) {\n lastState = activePoints;\n scope[action](activePoints, evt);\n scope.$apply();\n }\n }\n };\n }\n\n function getColours (type, scope) {\n var notEnoughColours = false;\n var colours = angular.copy(scope.colours ||\n ChartJs.getOptions(type).colours ||\n Chart.defaults.global.colours\n );\n while (colours.length < scope.data.length) {\n colours.push(scope.getColour());\n notEnoughColours = true;\n }\n // mutate colours in this case as we don't want\n // the colours to change on each refresh\n if (notEnoughColours) scope.colours = colours;\n return colours.map(convertColour);\n }\n\n function convertColour (colour) {\n if (typeof colour === 'object' && colour !== null) return colour;\n if (typeof colour === 'string' && colour[0] === '#') return getColour(hexToRgb(colour.substr(1)));\n return getRandomColour();\n }\n\n function getRandomColour () {\n var colour = [getRandomInt(0, 255), getRandomInt(0, 255), getRandomInt(0, 255)];\n return getColour(colour);\n }\n\n function getColour (colour) {\n return {\n fillColor: rgba(colour, 0.2),\n strokeColor: rgba(colour, 1),\n pointColor: rgba(colour, 1),\n pointStrokeColor: '#fff',\n pointHighlightFill: '#fff',\n pointHighlightStroke: rgba(colour, 0.8)\n };\n }\n\n function getRandomInt (min, max) {\n return Math.floor(Math.random() * (max - min + 1)) + min;\n }\n\n function rgba (colour, alpha) {\n if (usingExcanvas) {\n // rgba not supported by IE8\n return 'rgb(' + colour.join(',') + ')';\n } else {\n return 'rgba(' + colour.concat(alpha).join(',') + ')';\n }\n }\n\n // Credit: http://stackoverflow.com/a/11508164/1190235\n function hexToRgb (hex) {\n var bigint = parseInt(hex, 16),\n r = (bigint >> 16) & 255,\n g = (bigint >> 8) & 255,\n b = bigint & 255;\n\n return [r, g, b];\n }\n\n function getDataSets (labels, data, series, colours) {\n return {\n labels: labels,\n datasets: data.map(function (item, i) {\n return angular.extend({}, colours[i], {\n label: series[i],\n data: item\n });\n })\n };\n }\n\n function getData (labels, data, colours) {\n return labels.map(function (label, i) {\n return angular.extend({}, colours[i], {\n label: label,\n value: data[i],\n color: colours[i].strokeColor,\n highlight: colours[i].pointHighlightStroke\n });\n });\n }\n\n function setLegend (elem, chart) {\n var $parent = elem.parent(),\n $oldLegend = $parent.find('chart-legend'),\n legend = '<chart-legend>' + chart.generateLegend() + '</chart-legend>';\n if ($oldLegend.length) $oldLegend.replaceWith(legend);\n else $parent.append(legend);\n }\n\n function updateChart (chart, values, scope, elem) {\n if (Array.isArray(scope.data[0])) {\n chart.datasets.forEach(function (dataset, i) {\n (dataset.points || dataset.bars).forEach(function (dataItem, j) {\n dataItem.value = values[i][j];\n });\n });\n } else {\n chart.segments.forEach(function (segment, i) {\n segment.value = values[i];\n });\n }\n chart.update();\n scope.$emit('update', chart);\n if (scope.legend && scope.legend !== 'false') setLegend(elem, chart);\n }\n\n function isEmpty (value) {\n return ! value ||\n (Array.isArray(value) && ! value.length) ||\n (typeof value === 'object' && ! Object.keys(value).length);\n }\n\n function isResponsive (type, scope) {\n var options = angular.extend({}, Chart.defaults.global, ChartJs.getOptions(type), scope.options);\n return options.responsive;\n }\n\n function destroyChart(chart, scope) {\n if(! chart) return;\n chart.destroy();\n scope.$emit('destroy', chart);\n }\n }\n}));\n"],"sourceRoot":"/source/"} |