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() {\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    { // blue\n      fillColor: 'rgba(151,187,205,0.2)',\n      strokeColor: 'rgba(151,187,205,1)',\n      pointColor: 'rgba(151,187,205,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(151,187,205,0.8)'\n    },\n    { // light grey\n      fillColor: 'rgba(220,220,220,0.2)',\n      strokeColor: 'rgba(220,220,220,1)',\n      pointColor: 'rgba(220,220,220,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(220,220,220,0.8)'\n    },\n    { // red\n      fillColor: 'rgba(247,70,74,0.2)',\n      strokeColor: 'rgba(247,70,74,1)',\n      pointColor: 'rgba(247,70,74,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(247,70,74,0.8)'\n    },\n    { // green\n      fillColor: 'rgba(70,191,189,0.2)',\n      strokeColor: 'rgba(70,191,189,1)',\n      pointColor: 'rgba(70,191,189,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(70,191,189,0.8)'\n    },\n    { // yellow\n      fillColor: 'rgba(253,180,92,0.2)',\n      strokeColor: 'rgba(253,180,92,1)',\n      pointColor: 'rgba(253,180,92,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(253,180,92,0.8)'\n    },\n    { // grey\n      fillColor: 'rgba(148,159,177,0.2)',\n      strokeColor: 'rgba(148,159,177,1)',\n      pointColor: 'rgba(148,159,177,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(148,159,177,0.8)'\n    },\n    { // dark grey\n      fillColor: 'rgba(77,83,96,0.2)',\n      strokeColor: 'rgba(77,83,96,1)',\n      pointColor: 'rgba(77,83,96,1)',\n      pointStrokeColor: '#fff',\n      pointHighlightFill: '#fff',\n      pointHighlightStroke: 'rgba(77,83,96,1)'\n    }\n  ];\n\n  angular.module('chart.js', [])\n    .directive('chartBase', function () { return chart(); })\n    .directive('chartLine', function () { return chart('Line'); })\n    .directive('chartBar', function () { return chart('Bar'); })\n    .directive('chartRadar', function () { return chart('Radar'); })\n    .directive('chartDoughnut', function () { return chart('Doughnut'); })\n    .directive('chartPie', function () { return chart('Pie'); })\n    .directive('chartPolarArea', function () { return chart('PolarArea'); });\n\n  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      },\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 (typeof window.G_vmlCanvasManager === 'object' && window.G_vmlCanvasManager !== null) {\n          if (typeof window.G_vmlCanvasManager.initElement === 'function') {\n            window.G_vmlCanvasManager.initElement(elem[0]);\n          }\n        }\n\n        // Order of setting \"watch\" matter\n\n        scope.$watch('data', function (newVal, oldVal) {\n          if (! newVal || ! newVal.length || (Array.isArray(newVal[0]) && ! newVal[0].length)) return;\n          var chartType = type || scope.chartType;\n          if (! chartType) return;\n\n          if (chart) {\n            if (canUpdateChart(newVal, oldVal)) return updateChart(chart, newVal, scope);\n            chart.destroy();\n          }\n\n          chart = createChart(chartType, scope, elem);\n        }, true);\n\n        scope.$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          if (chart) chart.destroy();\n          chart = createChart(newVal, scope, elem);\n        });\n\n        scope.$on('$destroy', function () {\n          if (chart) chart.destroy();\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          if (chart) chart.destroy();\n\n          chart = createChart(chartType, scope, elem);\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[0].length === oldVal[0].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 createChart (type, scope, elem) {\n    if (! scope.data || ! scope.data.length) return;\n    scope.getColour = typeof scope.getColour === 'function' ? scope.getColour : getRandomColour;\n    scope.colours = getColours(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 || [], scope.colours) :\n      getData(scope.labels, scope.data, scope.colours);\n    var chart = new Chart(ctx)[type](data, scope.options || {});\n    scope.$emit('create', chart);\n\n    if (scope.click) {\n      cvs.onclick = function (evt) {\n        var click = chart.getPointsAtEvent || chart.getBarsAtEvent || chart.getSegmentsAtEvent;\n\n        if (click) {\n          var activePoints = click.call(chart, evt);\n          scope.click(activePoints, evt);\n          scope.$apply();\n        }\n      };\n    }\n    if (scope.legend && scope.legend !== 'false') setLegend(elem, chart);\n    return chart;\n  }\n\n  function getColours (scope) {\n    var colours = angular.copy(scope.colours) || angular.copy(Chart.defaults.global.colours);\n    while (colours.length < scope.data.length) {\n      colours.push(scope.getColour());\n    }\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    return 'rgba(' + colour.concat(alpha).join(',') + ')';\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        var dataSet = angular.copy(colours[i]);\n        dataSet.label = series[i];\n        dataSet.data = item;\n        return dataSet;\n      })\n    };\n  }\n\n  function getData (labels, data, colours) {\n    return labels.map(function (label, i) {\n      return {\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 $parent.append(legend);\n  }\n\n  function updateChart (chart, values, scope) {\n    if (Array.isArray(scope.data[0])) {\n      chart.datasets.forEach(function (dataset, i) {\n        (dataset.points || dataset.bars).forEach(function (dataItem, j) {\n          dataItem.value = values[i][j];\n        });\n      });\n    } else {\n      chart.segments.forEach(function (segment, i) {\n        segment.value = values[i];\n      });\n    }\n    chart.update();\n    scope.$emit('update', chart);\n  }\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})();\n"],"sourceRoot":"/source/"}