| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002 | /** * @license Map plugin v0.1 for Highcharts * * (c) 2011-2013 Torstein Hønsi * * License: www.highcharts.com/license *//*  * See www.highcharts.com/studies/world-map.htm for use case. * * To do: * - Optimize long variable names and alias adapter methods and Highcharts namespace variables * - Zoom and pan GUI */(function (Highcharts) {	var UNDEFINED,		Axis = Highcharts.Axis,		Chart = Highcharts.Chart,		Point = Highcharts.Point,		Pointer = Highcharts.Pointer,		each = Highcharts.each,		extend = Highcharts.extend,		merge = Highcharts.merge,		pick = Highcharts.pick,		numberFormat = Highcharts.numberFormat,		defaultOptions = Highcharts.getOptions(),		seriesTypes = Highcharts.seriesTypes,		plotOptions = defaultOptions.plotOptions,		wrap = Highcharts.wrap,		Color = Highcharts.Color,		noop = function () {};		/*	 * Return an intermediate color between two colors, according to pos where 0	 * is the from color and 1 is the to color	 */	function tweenColors(from, to, pos) {		var i = 4,			rgba = [];		while (i--) {			rgba[i] = Math.round(				to.rgba[i] + (from.rgba[i] - to.rgba[i]) * (1 - pos)			);		}		return 'rgba(' + rgba.join(',') + ')';	}	// Set the default map navigation options	defaultOptions.mapNavigation = {		buttonOptions: {			align: 'right',			verticalAlign: 'bottom',			x: 0,			width: 18,			height: 18,			style: {				fontSize: '15px',				fontWeight: 'bold',				textAlign: 'center'			}		},		buttons: {			zoomIn: {				onclick: function () {					this.mapZoom(0.5);				},				text: '+',				y: -32			},			zoomOut: {				onclick: function () {					this.mapZoom(2);				},				text: '-',				y: 0			}		}		// enableButtons: false,		// enableTouchZoom: false,		// zoomOnDoubleClick: false,		// zoomOnMouseWheel: false	};		/**	 * Utility for reading SVG paths directly.	 */	Highcharts.splitPath = function (path) {		var i;		// Move letters apart		path = path.replace(/([A-Za-z])/g, ' $1 ');		// Trim		path = path.replace(/^\s*/, "").replace(/\s*$/, "");				// Split on spaces and commas		path = path.split(/[ ,]+/);				// Parse numbers		for (i = 0; i < path.length; i++) {			if (!/[a-zA-Z]/.test(path[i])) {				path[i] = parseFloat(path[i]);			}		}		return path;	};	// A placeholder for map definitions	Highcharts.maps = {};		/**	 * Override to use the extreme coordinates from the SVG shape, not the	 * data values	 */	wrap(Axis.prototype, 'getSeriesExtremes', function (proceed) {		var isXAxis = this.isXAxis,			dataMin,			dataMax,			xData = [];		// Remove the xData array and cache it locally so that the proceed method doesn't use it		each(this.series, function (series, i) {			if (series.useMapGeometry) {				xData[i] = series.xData;				series.xData = [];			}		});		// Call base to reach normal cartesian series (like mappoint)		proceed.call(this);		// Run extremes logic for map and mapline		dataMin = pick(this.dataMin, Number.MAX_VALUE);		dataMax = pick(this.dataMax, Number.MIN_VALUE);		each(this.series, function (series, i) {			if (series.useMapGeometry) {				dataMin = Math.min(dataMin, series[isXAxis ? 'minX' : 'minY']);				dataMax = Math.max(dataMax, series[isXAxis ? 'maxX' : 'maxY']);				series.xData = xData[i]; // Reset xData array			}		});				this.dataMin = dataMin;		this.dataMax = dataMax;	});		/**	 * Override axis translation to make sure the aspect ratio is always kept	 */	wrap(Axis.prototype, 'setAxisTranslation', function (proceed) {		var chart = this.chart,			mapRatio,			plotRatio = chart.plotWidth / chart.plotHeight,			isXAxis = this.isXAxis,			adjustedAxisLength,			xAxis = chart.xAxis[0],			padAxis;				// Run the parent method		proceed.call(this);				// On Y axis, handle both		if (chart.options.chart.type === 'map' && !isXAxis && xAxis.transA !== UNDEFINED) {						// Use the same translation for both axes			this.transA = xAxis.transA = Math.min(this.transA, xAxis.transA);						mapRatio = (xAxis.max - xAxis.min) / (this.max - this.min);						// What axis to pad to put the map in the middle			padAxis = mapRatio > plotRatio ? this : xAxis;						// Pad it			adjustedAxisLength = (padAxis.max - padAxis.min) * padAxis.transA;			padAxis.minPixelPadding = (padAxis.len - adjustedAxisLength) / 2;		}	});	//--- Start zooming and panning features	wrap(Chart.prototype, 'render', function (proceed) {		var chart = this,			mapNavigation = chart.options.mapNavigation;		proceed.call(chart);		// Render the plus and minus buttons		chart.renderMapNavigation();		// Add the double click event		if (mapNavigation.zoomOnDoubleClick) {			Highcharts.addEvent(chart.container, 'dblclick', function (e) {				chart.pointer.onContainerDblClick(e);			});		}		// Add the mousewheel event		if (mapNavigation.zoomOnMouseWheel) {			Highcharts.addEvent(chart.container, document.onmousewheel === undefined ? 'DOMMouseScroll' : 'mousewheel', function (e) {				chart.pointer.onContainerMouseWheel(e);			});		}	});	// Extend the Pointer	extend(Pointer.prototype, {		/**		 * The event handler for the doubleclick event		 */		onContainerDblClick: function (e) {			var chart = this.chart;			e = this.normalize(e);			if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {				chart.mapZoom(					0.5,					chart.xAxis[0].toValue(e.chartX),					chart.yAxis[0].toValue(e.chartY)				);			}		},		/**		 * The event handler for the mouse scroll event		 */		onContainerMouseWheel: function (e) {			var chart = this.chart,				delta;			e = this.normalize(e);			// Firefox uses e.detail, WebKit and IE uses wheelDelta			delta = e.detail || -(e.wheelDelta / 120);			if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {				chart.mapZoom(					delta > 0 ? 2 : 0.5,					chart.xAxis[0].toValue(e.chartX),					chart.yAxis[0].toValue(e.chartY)				);			}		}	});	// Implement the pinchType option	wrap(Pointer.prototype, 'init', function (proceed, chart, options) {		proceed.call(this, chart, options);		// Pinch status		if (options.mapNavigation.enableTouchZoom) {			this.pinchX = this.pinchHor = 				this.pinchY = this.pinchVert = true;		}	});	// Add events to the Chart object itself	extend(Chart.prototype, {		renderMapNavigation: function () {			var chart = this,				options = this.options.mapNavigation,				buttons = options.buttons,				n,				button,				buttonOptions,				outerHandler = function () { 					this.handler.call(chart); 				};			if (options.enableButtons) {				for (n in buttons) {					if (buttons.hasOwnProperty(n)) {						buttonOptions = merge(options.buttonOptions, buttons[n]);						button = chart.renderer.button(buttonOptions.text, 0, 0, outerHandler)							.attr({								width: buttonOptions.width,								height: buttonOptions.height							})							.css(buttonOptions.style)							.add();						button.handler = buttonOptions.onclick;						button.align(extend(buttonOptions, { width: button.width, height: button.height }), null, 'spacingBox');					}				}			}		},		/**		 * Fit an inner box to an outer. If the inner box overflows left or right, align it to the sides of the		 * outer. If it overflows both sides, fit it within the outer. This is a pattern that occurs more places		 * in Highcharts, perhaps it should be elevated to a common utility function.		 */		fitToBox: function (inner, outer) {			each([['x', 'width'], ['y', 'height']], function (dim) {				var pos = dim[0],					size = dim[1];				if (inner[pos] + inner[size] > outer[pos] + outer[size]) { // right overflow					if (inner[size] > outer[size]) { // the general size is greater, fit fully to outer						inner[size] = outer[size];						inner[pos] = outer[pos];					} else { // align right						inner[pos] = outer[pos] + outer[size] - inner[size];					}				}				if (inner[size] > outer[size]) {					inner[size] = outer[size];				}				if (inner[pos] < outer[pos]) {					inner[pos] = outer[pos];				}							});			return inner;		},		/**		 * Zoom the map in or out by a certain amount. Less than 1 zooms in, greater than 1 zooms out.		 */		mapZoom: function (howMuch, centerXArg, centerYArg) {			if (this.isMapZooming) {				return;			}			var chart = this,				xAxis = chart.xAxis[0],				xRange = xAxis.max - xAxis.min,				centerX = pick(centerXArg, xAxis.min + xRange / 2),				newXRange = xRange * howMuch,				yAxis = chart.yAxis[0],				yRange = yAxis.max - yAxis.min,				centerY = pick(centerYArg, yAxis.min + yRange / 2),				newYRange = yRange * howMuch,				newXMin = centerX - newXRange / 2,				newYMin = centerY - newYRange / 2,				animation = pick(chart.options.chart.animation, true),				delay,				newExt = chart.fitToBox({					x: newXMin,					y: newYMin,					width: newXRange,					height: newYRange				}, {					x: xAxis.dataMin,					y: yAxis.dataMin,					width: xAxis.dataMax - xAxis.dataMin,					height: yAxis.dataMax - yAxis.dataMin				});			xAxis.setExtremes(newExt.x, newExt.x + newExt.width, false);			yAxis.setExtremes(newExt.y, newExt.y + newExt.height, false);			// Prevent zooming until this one is finished animating			delay = animation ? animation.duration || 500 : 0;			if (delay) {				chart.isMapZooming = true;				setTimeout(function () {					chart.isMapZooming = false;				}, delay);			}			chart.redraw();		}	});		/**	 * Extend the default options with map options	 */	plotOptions.map = merge(plotOptions.scatter, {		animation: false, // makes the complex shapes slow		nullColor: '#F8F8F8',		borderColor: 'silver',		borderWidth: 1,		marker: null,		stickyTracking: false,		dataLabels: {			verticalAlign: 'middle'		},		turboThreshold: 0,		tooltip: {			followPointer: true,			pointFormat: '{point.name}: {point.y}<br/>'		},		states: {			normal: {				animation: true			}		}	});	var MapAreaPoint = Highcharts.extendClass(Point, {		/**		 * Extend the Point object to split paths		 */		applyOptions: function (options, x) {			var point = Point.prototype.applyOptions.call(this, options, x);			if (point.path && typeof point.path === 'string') {				point.path = point.options.path = Highcharts.splitPath(point.path);			}			return point;		},		/**		 * Stop the fade-out 		 */		onMouseOver: function () {			clearTimeout(this.colorInterval);			Point.prototype.onMouseOver.call(this);		},		/**		 * Custom animation for tweening out the colors. Animation reduces blinking when hovering		 * over islands and coast lines. We run a custom implementation of animation becuase we		 * need to be able to run this independently from other animations like zoom redraw. Also,		 * adding color animation to the adapters would introduce almost the same amount of code.		 */		onMouseOut: function () {			var point = this,				start = +new Date(),				normalColor = Color(point.options.color),				hoverColor = Color(point.pointAttr.hover.fill),				animation = point.series.options.states.normal.animation,				duration = animation && (animation.duration || 500);			if (duration && normalColor.rgba.length === 4 && hoverColor.rgba.length === 4) {				delete point.pointAttr[''].fill; // avoid resetting it in Point.setState				clearTimeout(point.colorInterval);				point.colorInterval = setInterval(function () {					var pos = (new Date() - start) / duration,						graphic = point.graphic;					if (pos > 1) {						pos = 1;					}					if (graphic) {						graphic.attr('fill', tweenColors(hoverColor, normalColor, pos));					}					if (pos >= 1) {						clearTimeout(point.colorInterval);					}				}, 13);			}			Point.prototype.onMouseOut.call(point);		}	});	/**	 * Add the series type	 */	seriesTypes.map = Highcharts.extendClass(seriesTypes.scatter, {		type: 'map',		pointAttrToOptions: { // mapping between SVG attributes and the corresponding options			stroke: 'borderColor',			'stroke-width': 'borderWidth',			fill: 'color'		},		colorKey: 'y',		pointClass: MapAreaPoint,		trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],		getSymbol: noop,		supportsDrilldown: true,		getExtremesFromAll: true,		useMapGeometry: true, // get axis extremes from paths, not values		init: function (chart) {			var series = this,				valueDecimals = chart.options.legend.valueDecimals,				legendItems = [],				name,				from,				to,				fromLabel,				toLabel,				colorRange,				valueRanges,				gradientColor,				grad,				tmpLabel,				horizontal = chart.options.legend.layout === 'horizontal';						Highcharts.Series.prototype.init.apply(this, arguments);			colorRange = series.options.colorRange;			valueRanges = series.options.valueRanges;			if (valueRanges) {				each(valueRanges, function (range) {					from = range.from;					to = range.to;										// Assemble the default name. This can be overridden by legend.options.labelFormatter					name = '';					if (from === UNDEFINED) {						name = '< ';					} else if (to === UNDEFINED) {						name = '> ';					}					if (from !== UNDEFINED) {						name += numberFormat(from, valueDecimals);					}					if (from !== UNDEFINED && to !== UNDEFINED) {						name += ' - ';					}					if (to !== UNDEFINED) {						name += numberFormat(to, valueDecimals);					}										// Add a mock object to the legend items					legendItems.push(Highcharts.extend({						chart: series.chart,						name: name,						options: {},						drawLegendSymbol: seriesTypes.area.prototype.drawLegendSymbol,						visible: true,						setState: function () {},						setVisible: function () {}					}, range));				});				series.legendItems = legendItems;			} else if (colorRange) {				from = colorRange.from;				to = colorRange.to;				fromLabel = colorRange.fromLabel;				toLabel = colorRange.toLabel;				// Flips linearGradient variables and label text.				grad = horizontal ? [0, 0, 1, 0] : [0, 1, 0, 0]; 				if (!horizontal) {					tmpLabel = fromLabel;					fromLabel = toLabel;					toLabel = tmpLabel;				} 				// Creates color gradient.				gradientColor = {					linearGradient: { x1: grad[0], y1: grad[1], x2: grad[2], y2: grad[3] },					stops: 					[						[0, from],						[1, to]					]				};				// Add a mock object to the legend items.				legendItems = [{					chart: series.chart,					options: {},					fromLabel: fromLabel,					toLabel: toLabel,					color: gradientColor,					drawLegendSymbol: this.drawLegendSymbolGradient,					visible: true,					setState: function () {},					setVisible: function () {}				}];				series.legendItems = legendItems;			}		},		/**		 * If neither valueRanges nor colorRanges are defined, use basic area symbol.		 */		drawLegendSymbol: seriesTypes.area.prototype.drawLegendSymbol,		/**		 * Gets the series' symbol in the legend and extended legend with more information.		 * 		 * @param {Object} legend The legend object		 * @param {Object} item The series (this) or point		 */		drawLegendSymbolGradient: function (legend, item) {			var spacing = legend.options.symbolPadding,				padding = pick(legend.options.padding, 8),				positionY,				positionX,				gradientSize = this.chart.renderer.fontMetrics(legend.options.itemStyle.fontSize).h,				horizontal = legend.options.layout === 'horizontal',				box1,				box2,				box3,				rectangleLength = pick(legend.options.rectangleLength, 200);			// Set local variables based on option.			if (horizontal) {				positionY = -(spacing / 2);				positionX = 0;			} else {				positionY = -rectangleLength + legend.baseline - (spacing / 2);				positionX = padding + gradientSize;			}			// Creates the from text.			item.fromText = this.chart.renderer.text(					item.fromLabel,	// Text.					positionX,		// Lower left x.					positionY		// Lower left y.				).attr({					zIndex: 2				}).add(item.legendGroup);			box1 = item.fromText.getBBox();			// Creates legend symbol.			// Ternary changes variables based on option.			item.legendSymbol = this.chart.renderer.rect(				horizontal ? box1.x + box1.width + spacing : box1.x - gradientSize - spacing,		// Upper left x.				box1.y,																				// Upper left y.				horizontal ? rectangleLength : gradientSize,											// Width.				horizontal ? gradientSize : rectangleLength,										// Height.				2																					// Corner radius.			).attr({				zIndex: 1			}).add(item.legendGroup);			box2 = item.legendSymbol.getBBox();			// Creates the to text.			// Vertical coordinate changed based on option.			item.toText = this.chart.renderer.text(					item.toLabel,					box2.x + box2.width + spacing,					horizontal ? positionY : box2.y + box2.height - spacing				).attr({					zIndex: 2				}).add(item.legendGroup);			box3 = item.toText.getBBox();			// Changes legend box settings based on option.			if (horizontal) {				legend.offsetWidth = box1.width + box2.width + box3.width + (spacing * 2) + padding;				legend.itemY = gradientSize + padding;			} else {				legend.offsetWidth = Math.max(box1.width, box3.width) + (spacing) + box2.width + padding;				legend.itemY = box2.height + padding;				legend.itemX = spacing;			}		},		/**		 * Get the bounding box of all paths in the map combined.		 */		getBox: function (paths) {			var maxX = Number.MIN_VALUE, 				minX =  Number.MAX_VALUE, 				maxY = Number.MIN_VALUE, 				minY =  Number.MAX_VALUE;									// Find the bounding box			each(paths || this.options.data, function (point) {				var path = point.path,					i = path.length,					even = false, // while loop reads from the end					pointMaxX = Number.MIN_VALUE, 					pointMinX =  Number.MAX_VALUE, 					pointMaxY = Number.MIN_VALUE, 					pointMinY =  Number.MAX_VALUE;									while (i--) {					if (typeof path[i] === 'number' && !isNaN(path[i])) {						if (even) { // even = x							pointMaxX = Math.max(pointMaxX, path[i]);							pointMinX = Math.min(pointMinX, path[i]);						} else { // odd = Y							pointMaxY = Math.max(pointMaxY, path[i]);							pointMinY = Math.min(pointMinY, path[i]);						}						even = !even;					}				}				// Cache point bounding box for use to position data labels				point._maxX = pointMaxX;				point._minX = pointMinX;				point._maxY = pointMaxY;				point._minY = pointMinY;				maxX = Math.max(maxX, pointMaxX);				minX = Math.min(minX, pointMinX);				maxY = Math.max(maxY, pointMaxY);				minY = Math.min(minY, pointMinY);			});			this.minY = minY;			this.maxY = maxY;			this.minX = minX;			this.maxX = maxX;					},								/**		 * Translate the path so that it automatically fits into the plot area box		 * @param {Object} path		 */		translatePath: function (path) {						var series = this,				even = false, // while loop reads from the end				xAxis = series.xAxis,				yAxis = series.yAxis,				i;							// Preserve the original			path = [].concat(path);							// Do the translation			i = path.length;			while (i--) {				if (typeof path[i] === 'number') {					if (even) { // even = x						path[i] = Math.round(xAxis.translate(path[i]));					} else { // odd = Y						path[i] = Math.round(yAxis.len - yAxis.translate(path[i]));					}					even = !even;				}			}			return path;		},				setData: function () {			Highcharts.Series.prototype.setData.apply(this, arguments);			this.getBox();		},				/**		 * Add the path option for data points. Find the max value for color calculation.		 */		translate: function () {			var series = this,				dataMin = Number.MAX_VALUE,				dataMax = Number.MIN_VALUE;				series.generatePoints();				each(series.data, function (point) {								point.shapeType = 'path';				point.shapeArgs = {					d: series.translatePath(point.path)				};								// TODO: do point colors in drawPoints instead of point.init				if (typeof point.y === 'number') {					if (point.y > dataMax) {						dataMax = point.y;					} else if (point.y < dataMin) {						dataMin = point.y;					}				}			});						series.translateColors(dataMin, dataMax);		},				/**		 * In choropleth maps, the color is a result of the value, so this needs translation too		 */		translateColors: function (dataMin, dataMax) {						var seriesOptions = this.options,				valueRanges = seriesOptions.valueRanges,				colorRange = seriesOptions.colorRange,				colorKey = this.colorKey,				from,				to;			if (colorRange) {				from = Color(colorRange.from);				to = Color(colorRange.to);			}						each(this.data, function (point) {				var value = point[colorKey],					range,					color,					i,					pos;				if (valueRanges) {					i = valueRanges.length;					while (i--) {						range = valueRanges[i];						from = range.from;						to = range.to;						if ((from === UNDEFINED || value >= from) && (to === UNDEFINED || value <= to)) {							color = range.color;							break;						}												}				} else if (colorRange && value !== undefined) {					pos = 1 - ((dataMax - value) / (dataMax - dataMin));					color = value === null ? seriesOptions.nullColor : tweenColors(from, to, pos);				}				if (color) {					point.color = null; // reset from previous drilldowns, use of the same data options					point.options.color = color;				}			});		},				drawGraph: noop,				/**		 * We need the points' bounding boxes in order to draw the data labels, so 		 * we skip it now and call if from drawPoints instead.		 */		drawDataLabels: noop,				/** 		 * Use the drawPoints method of column, that is able to handle simple shapeArgs.		 * Extend it by assigning the tooltip position.		 */		drawPoints: function () {			var series = this,				xAxis = series.xAxis,				yAxis = series.yAxis,				colorKey = series.colorKey;						// Make points pass test in drawing			each(series.data, function (point) {				point.plotY = 1; // pass null test in column.drawPoints				if (point[colorKey] === null) {					point[colorKey] = 0;					point.isNull = true;				}			});						// Draw them			seriesTypes.column.prototype.drawPoints.apply(series);						each(series.data, function (point) {				var dataLabels = point.dataLabels,					minX = xAxis.toPixels(point._minX, true),					maxX = xAxis.toPixels(point._maxX, true),					minY = yAxis.toPixels(point._minY, true),					maxY = yAxis.toPixels(point._maxY, true);				point.plotX = Math.round(minX + (maxX - minX) * pick(dataLabels && dataLabels.anchorX, 0.5));				point.plotY = Math.round(minY + (maxY - minY) * pick(dataLabels && dataLabels.anchorY, 0.5)); 												// Reset escaped null points				if (point.isNull) {					point[colorKey] = null;				}			});			// Now draw the data labels			Highcharts.Series.prototype.drawDataLabels.call(series);					},		/**		 * Animate in the new series from the clicked point in the old series.		 * Depends on the drilldown.js module		 */		animateDrilldown: function (init) {			var toBox = this.chart.plotBox,				level = this.chart.drilldownLevels[this.chart.drilldownLevels.length - 1],				fromBox = level.bBox,				animationOptions = this.chart.options.drilldown.animation,				scale;							if (!init) {				scale = Math.min(fromBox.width / toBox.width, fromBox.height / toBox.height);				level.shapeArgs = {					scaleX: scale,					scaleY: scale,					translateX: fromBox.x,					translateY: fromBox.y				};								// TODO: Animate this.group instead				each(this.points, function (point) {					point.graphic						.attr(level.shapeArgs)						.animate({							scaleX: 1,							scaleY: 1,							translateX: 0,							translateY: 0						}, animationOptions);				});				delete this.animate;			}					},		/**		 * When drilling up, pull out the individual point graphics from the lower series		 * and animate them into the origin point in the upper series.		 */		animateDrillupFrom: function (level) {			seriesTypes.column.prototype.animateDrillupFrom.call(this, level);		},		/**		 * When drilling up, keep the upper series invisible until the lower series has		 * moved into place		 */		animateDrillupTo: function (init) {			seriesTypes.column.prototype.animateDrillupTo.call(this, init);		}	});	// The mapline series type	plotOptions.mapline = merge(plotOptions.map, {		lineWidth: 1,		backgroundColor: 'none'	});	seriesTypes.mapline = Highcharts.extendClass(seriesTypes.map, {		type: 'mapline',		pointAttrToOptions: { // mapping between SVG attributes and the corresponding options			stroke: 'color',			'stroke-width': 'lineWidth',			fill: 'backgroundColor'		},		drawLegendSymbol: seriesTypes.line.prototype.drawLegendSymbol	});	// The mappoint series type	plotOptions.mappoint = merge(plotOptions.scatter, {		dataLabels: {			enabled: true,			format: '{point.name}',			color: 'black',			style: {				textShadow: '0 0 5px white'			}		}	});	seriesTypes.mappoint = Highcharts.extendClass(seriesTypes.scatter, {		type: 'mappoint'	});			/**	 * A wrapper for Chart with all the default values for a Map	 */	Highcharts.Map = function (options, callback) {				var hiddenAxis = {				endOnTick: false,				gridLineWidth: 0,				labels: {					enabled: false				},				lineWidth: 0,				minPadding: 0,				maxPadding: 0,				startOnTick: false,				tickWidth: 0,				title: null			},			seriesOptions;				// Don't merge the data		seriesOptions = options.series;		options.series = null;				options = merge({			chart: {				type: 'map',				panning: 'xy'			},			xAxis: hiddenAxis,			yAxis: merge(hiddenAxis, { reversed: true })			},		options, // user's options			{ // forced options			chart: {				inverted: false			}		});			options.series = seriesOptions;				return new Highcharts.Chart(options, callback);	};}(Highcharts));
 |