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| /*! * * Jquery Mapael - Dynamic maps jQuery plugin (based on raphael.js) * Requires jQuery, raphael.js and jquery.mousewheel * * Version: 2.2.0 * * Copyright (c) 2017 Vincent Brouté (https://www.vincentbroute.fr/mapael) * Licensed under the MIT license (http://www.opensource.org/licenses/mit-license.php). * * Thanks to Indigo744 * */(function (factory) {    if (typeof exports === 'object') {        // CommonJS        module.exports = factory(require('jquery'), require('raphael'), require('jquery-mousewheel'));    } else if (typeof define === 'function' && define.amd) {        // AMD. Register as an anonymous module.        define(['jquery', 'raphael', 'mousewheel'], factory);    } else {        // Browser globals        factory(jQuery, Raphael, jQuery.fn.mousewheel);    }}(function ($, Raphael, mousewheel, undefined) {    "use strict";    // The plugin name (used on several places)    var pluginName = "mapael";    // Version number of jQuery Mapael. See http://semver.org/ for more information.    var version = "2.2.0";    /*     * Mapael constructor     * Init instance vars and call init()     * @param container the DOM element on which to apply the plugin     * @param options the complete options to use     */    var Mapael = function (container, options) {        var self = this;        // the global container (DOM element object)        self.container = container;        // the global container (jQuery object)        self.$container = $(container);        // the global options        self.options = self.extendDefaultOptions(options);        // zoom TimeOut handler (used to set and clear)        self.zoomTO = 0;        // zoom center coordinate (set at touchstart)        self.zoomCenterX = 0;        self.zoomCenterY = 0;        // Zoom pinch (set at touchstart and touchmove)        self.previousPinchDist = 0;        // Zoom data        self.zoomData = {            zoomLevel: 0,            zoomX: 0,            zoomY: 0,            panX: 0,            panY: 0        };        self.currentViewBox = {            x: 0, y: 0, w: 0, h: 0        };        // Panning: tell if panning action is in progress        self.panning = false;        // Animate view box        self.zoomAnimID = null; // Interval handler (used to set and clear)        self.zoomAnimStartTime = null; // Animation start time        self.zoomAnimCVBTarget = null; // Current ViewBox target        // Map subcontainer jQuery object        self.$map = $("." + self.options.map.cssClass, self.container);        // Save initial HTML content (used by destroy method)        self.initialMapHTMLContent = self.$map.html();        // The tooltip jQuery object        self.$tooltip = {};        // The paper Raphael object        self.paper = {};        // The areas object list        self.areas = {};        // The plots object list        self.plots = {};        // The links object list        self.links = {};        // The legends list        self.legends = {};        // The map configuration object (taken from map file)        self.mapConf = {};        // Holds all custom event handlers        self.customEventHandlers = {};        // Let's start the initialization        self.init();    };    /*     * Mapael Prototype     * Defines all methods and properties needed by Mapael     * Each mapael object inherits their properties and methods from this prototype     */    Mapael.prototype = {        /* Filtering TimeOut value in ms         * Used for mouseover trigger over elements */        MouseOverFilteringTO: 120,        /* Filtering TimeOut value in ms         * Used for afterPanning trigger when panning */        panningFilteringTO: 150,        /* Filtering TimeOut value in ms         * Used for mouseup/touchend trigger when panning */        panningEndFilteringTO: 50,        /* Filtering TimeOut value in ms         * Used for afterZoom trigger when zooming */        zoomFilteringTO: 150,        /* Filtering TimeOut value in ms         * Used for when resizing window */        resizeFilteringTO: 150,        /*         * Initialize the plugin         * Called by the constructor         */        init: function () {            var self = this;            // Init check for class existence            if (self.options.map.cssClass === "" || $("." + self.options.map.cssClass, self.container).length === 0) {                throw new Error("The map class `" + self.options.map.cssClass + "` doesn't exists");            }            // Create the tooltip container            self.$tooltip = $("<div>").addClass(self.options.map.tooltip.cssClass).css("display", "none");            // Get the map container, empty it then append tooltip            self.$map.empty().append(self.$tooltip);            // Get the map from $.mapael or $.fn.mapael (backward compatibility)            if ($[pluginName] && $[pluginName].maps && $[pluginName].maps[self.options.map.name]) {                // Mapael version >= 2.x                self.mapConf = $[pluginName].maps[self.options.map.name];            } else if ($.fn[pluginName] && $.fn[pluginName].maps && $.fn[pluginName].maps[self.options.map.name]) {                // Mapael version <= 1.x - DEPRECATED                self.mapConf = $.fn[pluginName].maps[self.options.map.name];                if (window.console && window.console.warn) {                    window.console.warn("Extending $.fn.mapael is deprecated (map '" + self.options.map.name + "')");                }            } else {                throw new Error("Unknown map '" + self.options.map.name + "'");            }            // Create Raphael paper            self.paper = new Raphael(self.$map[0], self.mapConf.width, self.mapConf.height);            // issue #135: Check for Raphael bug on text element boundaries            if (self.isRaphaelBBoxBugPresent() === true) {                self.destroy();                throw new Error("Can't get boundary box for text (is your container hidden? See #135)");            }            // add plugin class name on element            self.$container.addClass(pluginName);            if (self.options.map.tooltip.css) self.$tooltip.css(self.options.map.tooltip.css);            self.setViewBox(0, 0, self.mapConf.width, self.mapConf.height);            // Handle map size            if (self.options.map.width) {                // NOT responsive: map has a fixed width                self.paper.setSize(self.options.map.width, self.mapConf.height * (self.options.map.width / self.mapConf.width));            } else {                // Responsive: handle resizing of the map                self.initResponsiveSize();            }            // Draw map areas            $.each(self.mapConf.elems, function (id) {                // Init area object                self.areas[id] = {};                // Set area options                self.areas[id].options = self.getElemOptions(                    self.options.map.defaultArea,                    (self.options.areas[id] ? self.options.areas[id] : {}),                    self.options.legend.area                );                // draw area                self.areas[id].mapElem = self.paper.path(self.mapConf.elems[id]);            });            // Hook that allows to add custom processing on the map            if (self.options.map.beforeInit) self.options.map.beforeInit(self.$container, self.paper, self.options);            // Init map areas in a second loop            // Allows text to be added after ALL areas and prevent them from being hidden            $.each(self.mapConf.elems, function (id) {                self.initElem(id, 'area', self.areas[id]);            });            // Draw links            self.links = self.drawLinksCollection(self.options.links);            // Draw plots            $.each(self.options.plots, function (id) {                self.plots[id] = self.drawPlot(id);            });            // Attach zoom event            self.$container.on("zoom." + pluginName, function (e, zoomOptions) {                self.onZoomEvent(e, zoomOptions);            });            if (self.options.map.zoom.enabled) {                // Enable zoom                self.initZoom(self.mapConf.width, self.mapConf.height, self.options.map.zoom);            }            // Set initial zoom            if (self.options.map.zoom.init !== undefined) {                if (self.options.map.zoom.init.animDuration === undefined) {                    self.options.map.zoom.init.animDuration = 0;                }                self.$container.trigger("zoom", self.options.map.zoom.init);            }            // Create the legends for areas            self.createLegends("area", self.areas, 1);            // Create the legends for plots taking into account the scale of the map            self.createLegends("plot", self.plots, self.paper.width / self.mapConf.width);            // Attach update event            self.$container.on("update." + pluginName, function (e, opt) {                self.onUpdateEvent(e, opt);            });            // Attach showElementsInRange event            self.$container.on("showElementsInRange." + pluginName, function (e, opt) {                self.onShowElementsInRange(e, opt);            });            // Attach delegated events            self.initDelegatedMapEvents();            // Attach delegated custom events            self.initDelegatedCustomEvents();            // Hook that allows to add custom processing on the map            if (self.options.map.afterInit) self.options.map.afterInit(self.$container, self.paper, self.areas, self.plots, self.options);            $(self.paper.desc).append(" and Mapael " + self.version + " (https://www.vincentbroute.fr/mapael/)");        },        /*         * Destroy mapael         * This function effectively detach mapael from the container         *   - Set the container back to the way it was before mapael instanciation         *   - Remove all data associated to it (memory can then be free'ed by browser)         *         * This method can be call directly by user:         *     $(".mapcontainer").data("mapael").destroy();         *         * This method is also automatically called if the user try to call mapael         * on a container already containing a mapael instance         */        destroy: function () {            var self = this;            // Detach all event listeners attached to the container            self.$container.off("." + pluginName);            self.$map.off("." + pluginName);            // Detach the global resize event handler            if (self.onResizeEvent) $(window).off("resize." + pluginName, self.onResizeEvent);            // Empty the container (this will also detach all event listeners)            self.$map.empty();            // Replace initial HTML content            self.$map.html(self.initialMapHTMLContent);            // Empty legend containers and replace initial HTML content            $.each(self.legends, function(legendType) {                $.each(self.legends[legendType], function(legendIndex) {                    var legend = self.legends[legendType][legendIndex];                    legend.container.empty();                    legend.container.html(legend.initialHTMLContent);                });            });            // Remove mapael class            self.$container.removeClass(pluginName);            // Remove the data            self.$container.removeData(pluginName);            // Remove all internal reference            self.container = undefined;            self.$container = undefined;            self.options = undefined;            self.paper = undefined;            self.$map = undefined;            self.$tooltip = undefined;            self.mapConf = undefined;            self.areas = undefined;            self.plots = undefined;            self.links = undefined;            self.customEventHandlers = undefined;        },        initResponsiveSize: function () {            var self = this;            var resizeTO = null;            // Function that actually handle the resizing            var handleResize = function(isInit) {                var containerWidth = self.$map.width();                if (self.paper.width !== containerWidth) {                    var newScale = containerWidth / self.mapConf.width;                    // Set new size                    self.paper.setSize(containerWidth, self.mapConf.height * newScale);                    // Create plots legend again to take into account the new scale                    // Do not do this on init (it will be done later)                    if (isInit !== true && self.options.legend.redrawOnResize) {                        self.createLegends("plot", self.plots, newScale);                    }                }            };            self.onResizeEvent = function() {                // Clear any previous setTimeout (avoid too much triggering)                clearTimeout(resizeTO);                // setTimeout to wait for the user to finish its resizing                resizeTO = setTimeout(function () {                    handleResize();                }, self.resizeFilteringTO);            };            // Attach resize handler            $(window).on("resize." + pluginName, self.onResizeEvent);            // Call once            handleResize(true);        },        /*         * Extend the user option with the default one         * @param options the user options         * @return new options object         */        extendDefaultOptions: function (options) {            // Extend default options with user options            options = $.extend(true, {}, Mapael.prototype.defaultOptions, options);            // Extend legend default options            $.each(['area', 'plot'], function (key, type) {                if ($.isArray(options.legend[type])) {                    for (var i = 0; i < options.legend[type].length; ++i)                        options.legend[type][i] = $.extend(true, {}, Mapael.prototype.legendDefaultOptions[type], options.legend[type][i]);                } else {                    options.legend[type] = $.extend(true, {}, Mapael.prototype.legendDefaultOptions[type], options.legend[type]);                }            });            return options;        },        /*         * Init all delegated events for the whole map:         *  mouseover         *  mousemove         *  mouseout         */        initDelegatedMapEvents: function() {            var self = this;            // Mapping between data-type value and the corresponding elements array            // Note: legend-elem and legend-label are not in this table because            //       they need a special processing            var dataTypeToElementMapping = {                'area'  : self.areas,                'area-text' : self.areas,                'plot' : self.plots,                'plot-text' : self.plots,                'link' : self.links,                'link-text' : self.links            };            /* Attach mouseover event delegation             * Note: we filter the event with a timeout to reduce the firing when the mouse moves quickly             */            var mapMouseOverTimeoutID;            self.$container.on("mouseover." + pluginName, "[data-id]", function () {                var elem = this;                clearTimeout(mapMouseOverTimeoutID);                mapMouseOverTimeoutID = setTimeout(function() {                    var $elem = $(elem);                    var id = $elem.attr('data-id');                    var type = $elem.attr('data-type');                    if (dataTypeToElementMapping[type] !== undefined) {                        self.elemEnter(dataTypeToElementMapping[type][id]);                    } else if (type === 'legend-elem' || type === 'legend-label') {                        var legendIndex = $elem.attr('data-legend-id');                        var legendType = $elem.attr('data-legend-type');                        self.elemEnter(self.legends[legendType][legendIndex].elems[id]);                    }                }, self.MouseOverFilteringTO);            });            /* Attach mousemove event delegation             * Note: timeout filtering is small to update the Tooltip position fast             */            var mapMouseMoveTimeoutID;            self.$container.on("mousemove." + pluginName, "[data-id]", function (event) {                var elem = this;                clearTimeout(mapMouseMoveTimeoutID);                mapMouseMoveTimeoutID = setTimeout(function() {                    var $elem = $(elem);                    var id = $elem.attr('data-id');                    var type = $elem.attr('data-type');                    if (dataTypeToElementMapping[type] !== undefined) {                        self.elemHover(dataTypeToElementMapping[type][id], event);                    } else if (type === 'legend-elem' || type === 'legend-label') {                        /* Nothing to do */                    }                }, 0);            });            /* Attach mouseout event delegation             * Note: we don't perform any timeout filtering to clear & reset elem ASAP             * Otherwise an element may be stuck in 'hover' state (which is NOT good)             */            self.$container.on("mouseout." + pluginName, "[data-id]", function () {                var elem = this;                // Clear any                clearTimeout(mapMouseOverTimeoutID);                clearTimeout(mapMouseMoveTimeoutID);                var $elem = $(elem);                var id = $elem.attr('data-id');                var type = $elem.attr('data-type');                if (dataTypeToElementMapping[type] !== undefined) {                    self.elemOut(dataTypeToElementMapping[type][id]);                } else if (type === 'legend-elem' || type === 'legend-label') {                    var legendIndex = $elem.attr('data-legend-id');                    var legendType = $elem.attr('data-legend-type');                    self.elemOut(self.legends[legendType][legendIndex].elems[id]);                }            });            /* Attach click event delegation             * Note: we filter the event with a timeout to avoid double click             */            self.$container.on("click." + pluginName, "[data-id]", function (evt, opts) {                var $elem = $(this);                var id = $elem.attr('data-id');                var type = $elem.attr('data-type');                if (dataTypeToElementMapping[type] !== undefined) {                    self.elemClick(dataTypeToElementMapping[type][id]);                } else if (type === 'legend-elem' || type === 'legend-label') {                    var legendIndex = $elem.attr('data-legend-id');                    var legendType = $elem.attr('data-legend-type');                    self.handleClickOnLegendElem(self.legends[legendType][legendIndex].elems[id], id, legendIndex, legendType, opts);                }            });        },        /*         * Init all delegated custom events         */        initDelegatedCustomEvents: function() {            var self = this;            $.each(self.customEventHandlers, function(eventName) {                // Namespace the custom event                // This allow to easily unbound only custom events and not regular ones                var fullEventName = eventName + '.' + pluginName + ".custom";                self.$container.off(fullEventName).on(fullEventName, "[data-id]", function (e) {                    var $elem = $(this);                    var id = $elem.attr('data-id');                    var type = $elem.attr('data-type').replace('-text', '');                    if (!self.panning &&                        self.customEventHandlers[eventName][type] !== undefined &&                        self.customEventHandlers[eventName][type][id] !== undefined)                    {                        // Get back related elem                        var elem = self.customEventHandlers[eventName][type][id];                        // Run callback provided by user                        elem.options.eventHandlers[eventName](e, id, elem.mapElem, elem.textElem, elem.options);                    }                });            });        },        /*         * Init the element "elem" on the map (drawing text, setting attributes, events, tooltip, ...)         *         * @param id the id of the element         * @param type the type of the element (area, plot, link)         * @param elem object the element object (with mapElem), it will be updated         */        initElem: function (id, type, elem) {            var self = this;            var $mapElem = $(elem.mapElem.node);            // If an HTML link exists for this element, add cursor attributes            if (elem.options.href) {                elem.options.attrs.cursor = "pointer";                if (elem.options.text) elem.options.text.attrs.cursor = "pointer";            }            // Set SVG attributes to map element            elem.mapElem.attr(elem.options.attrs);            // Set DOM attributes to map element            $mapElem.attr({                "data-id": id,                "data-type": type            });            if (elem.options.cssClass !== undefined) {                $mapElem.addClass(elem.options.cssClass);            }            // Init the label related to the element            if (elem.options.text && elem.options.text.content !== undefined) {                // Set a text label in the area                var textPosition = self.getTextPosition(elem.mapElem.getBBox(), elem.options.text.position, elem.options.text.margin);                elem.options.text.attrs.text = elem.options.text.content;                elem.options.text.attrs.x = textPosition.x;                elem.options.text.attrs.y = textPosition.y;                elem.options.text.attrs['text-anchor'] = textPosition.textAnchor;                // Draw text                elem.textElem = self.paper.text(textPosition.x, textPosition.y, elem.options.text.content);                // Apply SVG attributes to text element                elem.textElem.attr(elem.options.text.attrs);                // Apply DOM attributes                $(elem.textElem.node).attr({                    "data-id": id,                    "data-type": type + '-text'                });            }            // Set user event handlers            if (elem.options.eventHandlers) self.setEventHandlers(id, type, elem);            // Set hover option for mapElem            self.setHoverOptions(elem.mapElem, elem.options.attrs, elem.options.attrsHover);            // Set hover option for textElem            if (elem.textElem) self.setHoverOptions(elem.textElem, elem.options.text.attrs, elem.options.text.attrsHover);        },        /*         * Init zoom and panning for the map         * @param mapWidth         * @param mapHeight         * @param zoomOptions         */        initZoom: function (mapWidth, mapHeight, zoomOptions) {            var self = this;            var mousedown = false;            var previousX = 0;            var previousY = 0;            var fnZoomButtons = {                "reset": function () {                    self.$container.trigger("zoom", {"level": 0});                },                "in": function () {                    self.$container.trigger("zoom", {"level": "+1"});                },                "out": function () {                    self.$container.trigger("zoom", {"level": -1});                }            };            // init Zoom data            $.extend(self.zoomData, {                zoomLevel: 0,                panX: 0,                panY: 0            });            // init zoom buttons            $.each(zoomOptions.buttons, function(type, opt) {                if (fnZoomButtons[type] === undefined) throw new Error("Unknown zoom button '" + type + "'");                // Create div with classes, contents and title (for tooltip)                var $button = $("<div>").addClass(opt.cssClass)                    .html(opt.content)                    .attr("title", opt.title);                // Assign click event                $button.on("click." + pluginName, fnZoomButtons[type]);                // Append to map                self.$map.append($button);            });            // Update the zoom level of the map on mousewheel            if (self.options.map.zoom.mousewheel) {                self.$map.on("mousewheel." + pluginName, function (e) {                    var zoomLevel = (e.deltaY > 0) ? 1 : -1;                    var coord = self.mapPagePositionToXY(e.pageX, e.pageY);                    self.$container.trigger("zoom", {                        "fixedCenter": true,                        "level": self.zoomData.zoomLevel + zoomLevel,                        "x": coord.x,                        "y": coord.y                    });                    e.preventDefault();                });            }            // Update the zoom level of the map on touch pinch            if (self.options.map.zoom.touch) {                self.$map.on("touchstart." + pluginName, function (e) {                    if (e.originalEvent.touches.length === 2) {                        self.zoomCenterX = (e.originalEvent.touches[0].pageX + e.originalEvent.touches[1].pageX) / 2;                        self.zoomCenterY = (e.originalEvent.touches[0].pageY + e.originalEvent.touches[1].pageY) / 2;                        self.previousPinchDist = Math.sqrt(Math.pow((e.originalEvent.touches[1].pageX - e.originalEvent.touches[0].pageX), 2) + Math.pow((e.originalEvent.touches[1].pageY - e.originalEvent.touches[0].pageY), 2));                    }                });                self.$map.on("touchmove." + pluginName, function (e) {                    var pinchDist = 0;                    var zoomLevel = 0;                    if (e.originalEvent.touches.length === 2) {                        pinchDist = Math.sqrt(Math.pow((e.originalEvent.touches[1].pageX - e.originalEvent.touches[0].pageX), 2) + Math.pow((e.originalEvent.touches[1].pageY - e.originalEvent.touches[0].pageY), 2));                        if (Math.abs(pinchDist - self.previousPinchDist) > 15) {                            var coord = self.mapPagePositionToXY(self.zoomCenterX, self.zoomCenterY);                            zoomLevel = (pinchDist - self.previousPinchDist) / Math.abs(pinchDist - self.previousPinchDist);                            self.$container.trigger("zoom", {                                "fixedCenter": true,                                "level": self.zoomData.zoomLevel + zoomLevel,                                "x": coord.x,                                "y": coord.y                            });                            self.previousPinchDist = pinchDist;                        }                        return false;                    }                });            }            // When the user drag the map, prevent to move the clicked element instead of dragging the map (behaviour seen with Firefox)            self.$map.on("dragstart", function() {                return false;            });            // Panning            var panningMouseUpTO = null;            var panningMouseMoveTO = null;            $("body").on("mouseup." + pluginName + (zoomOptions.touch ? " touchend." + pluginName : ""), function () {                mousedown = false;                clearTimeout(panningMouseUpTO);                clearTimeout(panningMouseMoveTO);                panningMouseUpTO = setTimeout(function () {                    self.panning = false;                }, self.panningEndFilteringTO);            });            self.$map.on("mousedown." + pluginName + (zoomOptions.touch ? " touchstart." + pluginName : ""), function (e) {                clearTimeout(panningMouseUpTO);                clearTimeout(panningMouseMoveTO);                if (e.pageX !== undefined) {                    mousedown = true;                    previousX = e.pageX;                    previousY = e.pageY;                } else {                    if (e.originalEvent.touches.length === 1) {                        mousedown = true;                        previousX = e.originalEvent.touches[0].pageX;                        previousY = e.originalEvent.touches[0].pageY;                    }                }            }).on("mousemove." + pluginName + (zoomOptions.touch ? " touchmove." + pluginName : ""), function (e) {                var currentLevel = self.zoomData.zoomLevel;                var pageX = 0;                var pageY = 0;                clearTimeout(panningMouseUpTO);                clearTimeout(panningMouseMoveTO);                if (e.pageX !== undefined) {                    pageX = e.pageX;                    pageY = e.pageY;                } else {                    if (e.originalEvent.touches.length === 1) {                        pageX = e.originalEvent.touches[0].pageX;                        pageY = e.originalEvent.touches[0].pageY;                    } else {                        mousedown = false;                    }                }                if (mousedown && currentLevel !== 0) {                    var offsetX = (previousX - pageX) / (1 + (currentLevel * zoomOptions.step)) * (mapWidth / self.paper.width);                    var offsetY = (previousY - pageY) / (1 + (currentLevel * zoomOptions.step)) * (mapHeight / self.paper.height);                    var panX = Math.min(Math.max(0, self.currentViewBox.x + offsetX), (mapWidth - self.currentViewBox.w));                    var panY = Math.min(Math.max(0, self.currentViewBox.y + offsetY), (mapHeight - self.currentViewBox.h));                    if (Math.abs(offsetX) > 5 || Math.abs(offsetY) > 5) {                        $.extend(self.zoomData, {                            panX: panX,                            panY: panY,                            zoomX: panX + self.currentViewBox.w / 2,                            zoomY: panY + self.currentViewBox.h / 2                        });                        self.setViewBox(panX, panY, self.currentViewBox.w, self.currentViewBox.h);                        panningMouseMoveTO = setTimeout(function () {                            self.$map.trigger("afterPanning", {                                x1: panX,                                y1: panY,                                x2: (panX + self.currentViewBox.w),                                y2: (panY + self.currentViewBox.h)                            });                        }, self.panningFilteringTO);                        previousX = pageX;                        previousY = pageY;                        self.panning = true;                    }                    return false;                }            });        },        /*         * Map a mouse position to a map position         *      Transformation principle:         *          ** start with (pageX, pageY) absolute mouse coordinate         *          - Apply translation: take into accounts the map offset in the page         *          ** from this point, we have relative mouse coordinate         *          - Apply homothetic transformation: take into accounts initial factor of map sizing (fullWidth / actualWidth)         *          - Apply homothetic transformation: take into accounts the zoom factor         *          ** from this point, we have relative map coordinate         *          - Apply translation: take into accounts the current panning of the map         *          ** from this point, we have absolute map coordinate         * @param pageX: mouse client coordinate on X         * @param pageY: mouse client coordinate on Y         * @return map coordinate {x, y}         */        mapPagePositionToXY: function(pageX, pageY) {            var self = this;            var offset = self.$map.offset();            var initFactor = (self.options.map.width) ? (self.mapConf.width / self.options.map.width) : (self.mapConf.width / self.$map.width());            var zoomFactor = 1 / (1 + (self.zoomData.zoomLevel * self.options.map.zoom.step));            return {                x: (zoomFactor * initFactor * (pageX - offset.left)) + self.zoomData.panX,                y: (zoomFactor * initFactor * (pageY - offset.top)) + self.zoomData.panY            };        },        /*         * Zoom on the map         *         * zoomOptions.animDuration zoom duration         *         * zoomOptions.level        level of the zoom between minLevel and maxLevel (absolute number, or relative string +1 or -1)         * zoomOptions.fixedCenter  set to true in order to preserve the position of x,y in the canvas when zoomed         *         * zoomOptions.x            x coordinate of the point to focus on         * zoomOptions.y            y coordinate of the point to focus on         * - OR -         * zoomOptions.latitude     latitude of the point to focus on         * zoomOptions.longitude    longitude of the point to focus on         * - OR -         * zoomOptions.plot         plot ID to focus on         * - OR -         * zoomOptions.area         area ID to focus on         * zoomOptions.areaMargin   margin (in pixels) around the area         *         * If an area ID is specified, the algorithm will override the zoom level to focus on the area         * but it may be limited by the min/max zoom level limits set at initialization.         *         * If no coordinates are specified, the zoom will be focused on the center of the current view box         *         */        onZoomEvent: function (e, zoomOptions) {            var self = this;            // new Top/Left corner coordinates            var panX;            var panY;            // new Width/Height viewbox size            var panWidth;            var panHeight;            // Zoom level in absolute scale (from 0 to max, by step of 1)            var zoomLevel = self.zoomData.zoomLevel;            // Relative zoom level (from 1 to max, by step of 0.25 (default))            var previousRelativeZoomLevel = 1 + self.zoomData.zoomLevel * self.options.map.zoom.step;            var relativeZoomLevel;            var animDuration = (zoomOptions.animDuration !== undefined) ? zoomOptions.animDuration : self.options.map.zoom.animDuration;            if (zoomOptions.area !== undefined) {                /* An area is given                 * We will define x/y coordinate AND a new zoom level to fill the area                 */                if (self.areas[zoomOptions.area] === undefined) throw new Error("Unknown area '" + zoomOptions.area + "'");                var areaMargin = (zoomOptions.areaMargin !== undefined) ? zoomOptions.areaMargin : 10;                var areaBBox = self.areas[zoomOptions.area].mapElem.getBBox();                var areaFullWidth = areaBBox.width + 2 * areaMargin;                var areaFullHeight = areaBBox.height + 2 * areaMargin;                // Compute new x/y focus point (center of area)                zoomOptions.x = areaBBox.cx;                zoomOptions.y = areaBBox.cy;                // Compute a new absolute zoomLevel value (inverse of relative -> absolute)                // Take the min between zoomLevel on width vs. height to be able to see the whole area                zoomLevel = Math.min(Math.floor((self.mapConf.width / areaFullWidth - 1) / self.options.map.zoom.step),                                     Math.floor((self.mapConf.height / areaFullHeight - 1) / self.options.map.zoom.step));            } else {                // Get user defined zoom level                if (zoomOptions.level !== undefined) {                    if (typeof zoomOptions.level === "string") {                        // level is a string, either "n", "+n" or "-n"                        if ((zoomOptions.level.slice(0, 1) === '+') || (zoomOptions.level.slice(0, 1) === '-')) {                            // zoomLevel is relative                            zoomLevel = self.zoomData.zoomLevel + parseInt(zoomOptions.level, 10);                        } else {                            // zoomLevel is absolute                            zoomLevel = parseInt(zoomOptions.level, 10);                        }                    } else {                        // level is integer                        if (zoomOptions.level < 0) {                            // zoomLevel is relative                            zoomLevel = self.zoomData.zoomLevel + zoomOptions.level;                        } else {                            // zoomLevel is absolute                            zoomLevel = zoomOptions.level;                        }                    }                }                if (zoomOptions.plot !== undefined) {                    if (self.plots[zoomOptions.plot] === undefined) throw new Error("Unknown plot '" + zoomOptions.plot + "'");                    zoomOptions.x = self.plots[zoomOptions.plot].coords.x;                    zoomOptions.y = self.plots[zoomOptions.plot].coords.y;                } else {                    if (zoomOptions.latitude !== undefined && zoomOptions.longitude !== undefined) {                        var coords = self.mapConf.getCoords(zoomOptions.latitude, zoomOptions.longitude);                        zoomOptions.x = coords.x;                        zoomOptions.y = coords.y;                    }                    if (zoomOptions.x === undefined) {                        zoomOptions.x = self.currentViewBox.x + self.currentViewBox.w / 2;                    }                    if (zoomOptions.y === undefined) {                        zoomOptions.y = self.currentViewBox.y + self.currentViewBox.h / 2;                    }                }            }            // Make sure we stay in the zoom level boundaries            zoomLevel = Math.min(Math.max(zoomLevel, self.options.map.zoom.minLevel), self.options.map.zoom.maxLevel);            // Compute relative zoom level            relativeZoomLevel = 1 + zoomLevel * self.options.map.zoom.step;            // Compute panWidth / panHeight            panWidth = self.mapConf.width / relativeZoomLevel;            panHeight = self.mapConf.height / relativeZoomLevel;            if (zoomLevel === 0) {                panX = 0;                panY = 0;            } else {                if (zoomOptions.fixedCenter !== undefined && zoomOptions.fixedCenter === true) {                    panX = self.zoomData.panX + ((zoomOptions.x - self.zoomData.panX) * (relativeZoomLevel - previousRelativeZoomLevel)) / relativeZoomLevel;                    panY = self.zoomData.panY + ((zoomOptions.y - self.zoomData.panY) * (relativeZoomLevel - previousRelativeZoomLevel)) / relativeZoomLevel;                } else {                    panX = zoomOptions.x - panWidth / 2;                    panY = zoomOptions.y - panHeight / 2;                }                // Make sure we stay in the map boundaries                panX = Math.min(Math.max(0, panX), self.mapConf.width - panWidth);                panY = Math.min(Math.max(0, panY), self.mapConf.height - panHeight);            }            // Update zoom level of the map            if (relativeZoomLevel === previousRelativeZoomLevel && panX === self.zoomData.panX && panY === self.zoomData.panY) return;            if (animDuration > 0) {                self.animateViewBox(panX, panY, panWidth, panHeight, animDuration, self.options.map.zoom.animEasing);            } else {                self.setViewBox(panX, panY, panWidth, panHeight);                clearTimeout(self.zoomTO);                self.zoomTO = setTimeout(function () {                    self.$map.trigger("afterZoom", {                        x1: panX,                        y1: panY,                        x2: panX + panWidth,                        y2: panY + panHeight                    });                }, self.zoomFilteringTO);            }            $.extend(self.zoomData, {                zoomLevel: zoomLevel,                panX: panX,                panY: panY,                zoomX: panX + panWidth / 2,                zoomY: panY + panHeight / 2            });        },        /*         * Show some element in range defined by user         * Triggered by user $(".mapcontainer").trigger("showElementsInRange", [opt]);         *         * @param opt the options         *  opt.hiddenOpacity opacity for hidden element (default = 0.3)         *  opt.animDuration animation duration in ms (default = 0)         *  opt.afterShowRange callback         *  opt.ranges the range to show:         *  Example:         *  opt.ranges = {         *      'plot' : {         *          0 : {                        // valueIndex         *              'min': 1000,         *              'max': 1200         *          },         *          1 : {                        // valueIndex         *              'min': 10,         *              'max': 12         *          }         *      },         *      'area' : {         *          {'min': 10, 'max': 20}    // No valueIndex, only an object, use 0 as valueIndex (easy case)         *      }         *  }         */        onShowElementsInRange: function(e, opt) {            var self = this;            // set animDuration to default if not defined            if (opt.animDuration === undefined) {                opt.animDuration = 0;            }            // set hiddenOpacity to default if not defined            if (opt.hiddenOpacity === undefined) {                opt.hiddenOpacity = 0.3;            }            // handle area            if (opt.ranges && opt.ranges.area) {                self.showElemByRange(opt.ranges.area, self.areas, opt.hiddenOpacity, opt.animDuration);            }            // handle plot            if (opt.ranges && opt.ranges.plot) {                self.showElemByRange(opt.ranges.plot, self.plots, opt.hiddenOpacity, opt.animDuration);            }            // handle link            if (opt.ranges && opt.ranges.link) {                self.showElemByRange(opt.ranges.link, self.links, opt.hiddenOpacity, opt.animDuration);            }            // Call user callback            if (opt.afterShowRange) opt.afterShowRange();        },        /*         * Show some element in range         * @param ranges: the ranges         * @param elems: list of element on which to check against previous range         * @hiddenOpacity: the opacity when hidden         * @animDuration: the animation duration         */        showElemByRange: function(ranges, elems, hiddenOpacity, animDuration) {            var self = this;            // Hold the final opacity value for all elements consolidated after applying each ranges            // This allow to set the opacity only once for each elements            var elemsFinalOpacity = {};            // set object with one valueIndex to 0 if we have directly the min/max            if (ranges.min !== undefined || ranges.max !== undefined) {                ranges = {0: ranges};            }            // Loop through each valueIndex            $.each(ranges, function (valueIndex) {                var range = ranges[valueIndex];                // Check if user defined at least a min or max value                if (range.min === undefined && range.max === undefined) {                    return true; // skip this iteration (each loop), goto next range                }                // Loop through each elements                $.each(elems, function (id) {                    var elemValue = elems[id].options.value;                    // set value with one valueIndex to 0 if not object                    if (typeof elemValue !== "object") {                        elemValue = [elemValue];                    }                    // Check existence of this value index                    if (elemValue[valueIndex] === undefined) {                        return true; // skip this iteration (each loop), goto next element                    }                    // Check if in range                    if ((range.min !== undefined && elemValue[valueIndex] < range.min) ||                        (range.max !== undefined && elemValue[valueIndex] > range.max)) {                        // Element not in range                        elemsFinalOpacity[id] = hiddenOpacity;                    } else {                        // Element in range                        elemsFinalOpacity[id] = 1;                    }                });            });            // Now that we looped through all ranges, we can really assign the final opacity            $.each(elemsFinalOpacity, function (id) {                self.setElementOpacity(elems[id], elemsFinalOpacity[id], animDuration);            });        },        /*         * Set element opacity         * Handle elem.mapElem and elem.textElem         * @param elem the element         * @param opacity the opacity to apply         * @param animDuration the animation duration to use         */        setElementOpacity: function(elem, opacity, animDuration) {            var self = this;            // Ensure no animation is running            //elem.mapElem.stop();            //if (elem.textElem) elem.textElem.stop();            // If final opacity is not null, ensure element is shown before proceeding            if (opacity > 0) {                elem.mapElem.show();                if (elem.textElem) elem.textElem.show();            }            self.animate(elem.mapElem, {"opacity": opacity}, animDuration, function () {                // If final attribute is 0, hide                if (opacity === 0) elem.mapElem.hide();            });            self.animate(elem.textElem, {"opacity": opacity}, animDuration, function () {                // If final attribute is 0, hide                if (opacity === 0) elem.textElem.hide();            });        },        /*         * Update the current map         *         * Refresh attributes and tooltips for areas and plots         * @param opt option for the refresh :         *  opt.mapOptions: options to update for plots and areas         *  opt.replaceOptions: whether mapsOptions should entirely replace current map options, or just extend it         *  opt.opt.newPlots new plots to add to the map         *  opt.newLinks new links to add to the map         *  opt.deletePlotKeys plots to delete from the map (array, or "all" to remove all plots)         *  opt.deleteLinkKeys links to remove from the map (array, or "all" to remove all links)         *  opt.setLegendElemsState the state of legend elements to be set : show (default) or hide         *  opt.animDuration animation duration in ms (default = 0)         *  opt.afterUpdate hook that allows to add custom processing on the map         */        onUpdateEvent: function (e, opt) {            var self = this;            // Abort if opt is undefined            if (typeof opt !== "object")  return;            var i = 0;            var animDuration = (opt.animDuration) ? opt.animDuration : 0;            // This function remove an element using animation (or not, depending on animDuration)            // Used for deletePlotKeys and deleteLinkKeys            var fnRemoveElement = function (elem) {                self.animate(elem.mapElem, {"opacity": 0}, animDuration, function () {                    elem.mapElem.remove();                });                self.animate(elem.textElem, {"opacity": 0}, animDuration, function () {                    elem.textElem.remove();                });            };            // This function show an element using animation            // Used for newPlots and newLinks            var fnShowElement = function (elem) {                // Starts with hidden elements                elem.mapElem.attr({opacity: 0});                if (elem.textElem) elem.textElem.attr({opacity: 0});                // Set final element opacity                self.setElementOpacity(                    elem,                    (elem.mapElem.originalAttrs.opacity !== undefined) ? elem.mapElem.originalAttrs.opacity : 1,                    animDuration                );            };            if (typeof opt.mapOptions === "object") {                if (opt.replaceOptions === true) self.options = self.extendDefaultOptions(opt.mapOptions);                else $.extend(true, self.options, opt.mapOptions);                // IF we update areas, plots or legend, then reset all legend state to "show"                if (opt.mapOptions.areas !== undefined || opt.mapOptions.plots !== undefined || opt.mapOptions.legend !== undefined) {                    $("[data-type='legend-elem']", self.$container).each(function (id, elem) {                        if ($(elem).attr('data-hidden') === "1") {                            // Toggle state of element by clicking                            $(elem).trigger("click", {hideOtherElems: false, animDuration: animDuration});                        }                    });                }            }            // Delete plots by name if deletePlotKeys is array            if (typeof opt.deletePlotKeys === "object") {                for (; i < opt.deletePlotKeys.length; i++) {                    if (self.plots[opt.deletePlotKeys[i]] !== undefined) {                        fnRemoveElement(self.plots[opt.deletePlotKeys[i]]);                        delete self.plots[opt.deletePlotKeys[i]];                    }                }                // Delete ALL plots if deletePlotKeys is set to "all"            } else if (opt.deletePlotKeys === "all") {                $.each(self.plots, function (id, elem) {                    fnRemoveElement(elem);                });                // Empty plots object                self.plots = {};            }            // Delete links by name if deleteLinkKeys is array            if (typeof opt.deleteLinkKeys === "object") {                for (i = 0; i < opt.deleteLinkKeys.length; i++) {                    if (self.links[opt.deleteLinkKeys[i]] !== undefined) {                        fnRemoveElement(self.links[opt.deleteLinkKeys[i]]);                        delete self.links[opt.deleteLinkKeys[i]];                    }                }                // Delete ALL links if deleteLinkKeys is set to "all"            } else if (opt.deleteLinkKeys === "all") {                $.each(self.links, function (id, elem) {                    fnRemoveElement(elem);                });                // Empty links object                self.links = {};            }            // New plots            if (typeof opt.newPlots === "object") {                $.each(opt.newPlots, function (id) {                    if (self.plots[id] === undefined) {                        self.options.plots[id] = opt.newPlots[id];                        self.plots[id] = self.drawPlot(id);                        if (animDuration > 0) {                            fnShowElement(self.plots[id]);                        }                    }                });            }            // New links            if (typeof opt.newLinks === "object") {                var newLinks = self.drawLinksCollection(opt.newLinks);                $.extend(self.links, newLinks);                $.extend(self.options.links, opt.newLinks);                if (animDuration > 0) {                    $.each(newLinks, function (id) {                        fnShowElement(newLinks[id]);                    });                }            }            // Update areas attributes and tooltips            $.each(self.areas, function (id) {                // Avoid updating unchanged elements                if ((typeof opt.mapOptions === "object" &&                    (                        (typeof opt.mapOptions.map === "object" && typeof opt.mapOptions.map.defaultArea === "object") ||                        (typeof opt.mapOptions.areas === "object" && typeof opt.mapOptions.areas[id] === "object") ||                        (typeof opt.mapOptions.legend === "object" && typeof opt.mapOptions.legend.area === "object")                    )) || opt.replaceOptions === true                ) {                    self.areas[id].options = self.getElemOptions(                        self.options.map.defaultArea,                        (self.options.areas[id] ? self.options.areas[id] : {}),                        self.options.legend.area                    );                    self.updateElem(self.areas[id], animDuration);                }            });            // Update plots attributes and tooltips            $.each(self.plots, function (id) {                // Avoid updating unchanged elements                if ((typeof opt.mapOptions ==="object" &&                    (                        (typeof opt.mapOptions.map === "object" && typeof opt.mapOptions.map.defaultPlot === "object") ||                        (typeof opt.mapOptions.plots === "object" && typeof opt.mapOptions.plots[id] === "object") ||                        (typeof opt.mapOptions.legend === "object" && typeof opt.mapOptions.legend.plot === "object")                    )) || opt.replaceOptions === true                ) {                    self.plots[id].options = self.getElemOptions(                        self.options.map.defaultPlot,                        (self.options.plots[id] ? self.options.plots[id] : {}),                        self.options.legend.plot                    );                    self.setPlotCoords(self.plots[id]);                    self.setPlotAttributes(self.plots[id]);                    self.updateElem(self.plots[id], animDuration);                }            });            // Update links attributes and tooltips            $.each(self.links, function (id) {                // Avoid updating unchanged elements                if ((typeof opt.mapOptions === "object" &&                    (                        (typeof opt.mapOptions.map === "object" && typeof opt.mapOptions.map.defaultLink === "object") ||                        (typeof opt.mapOptions.links === "object" && typeof opt.mapOptions.links[id] === "object")                    )) || opt.replaceOptions === true                ) {                    self.links[id].options = self.getElemOptions(                        self.options.map.defaultLink,                        (self.options.links[id] ? self.options.links[id] : {}),                        {}                    );                    self.updateElem(self.links[id], animDuration);                }            });            // Update legends            if (opt.mapOptions && (                    (typeof opt.mapOptions.legend === "object") ||                    (typeof opt.mapOptions.map === "object" && typeof opt.mapOptions.map.defaultArea === "object") ||                    (typeof opt.mapOptions.map === "object" && typeof opt.mapOptions.map.defaultPlot === "object")                )) {                // Show all elements on the map before updating the legends                $("[data-type='legend-elem']", self.$container).each(function (id, elem) {                    if ($(elem).attr('data-hidden') === "1") {                        $(elem).trigger("click", {hideOtherElems: false, animDuration: animDuration});                    }                });                self.createLegends("area", self.areas, 1);                if (self.options.map.width) {                    self.createLegends("plot", self.plots, (self.options.map.width / self.mapConf.width));                } else {                    self.createLegends("plot", self.plots, (self.$map.width() / self.mapConf.width));                }            }            // Hide/Show all elements based on showlegendElems            //      Toggle (i.e. click) only if:            //          - slice legend is shown AND we want to hide            //          - slice legend is hidden AND we want to show            if (typeof opt.setLegendElemsState === "object") {                // setLegendElemsState is an object listing the legend we want to hide/show                $.each(opt.setLegendElemsState, function (legendCSSClass, action) {                    // Search for the legend                    var $legend = self.$container.find("." + legendCSSClass)[0];                    if ($legend !== undefined) {                        // Select all elem inside this legend                        $("[data-type='legend-elem']", $legend).each(function (id, elem) {                            if (($(elem).attr('data-hidden') === "0" && action === "hide") ||                                ($(elem).attr('data-hidden') === "1" && action === "show")) {                                // Toggle state of element by clicking                                $(elem).trigger("click", {hideOtherElems: false, animDuration: animDuration});                            }                        });                    }                });            } else {                // setLegendElemsState is a string, or is undefined                // Default : "show"                var action = (opt.setLegendElemsState === "hide") ? "hide" : "show";                $("[data-type='legend-elem']", self.$container).each(function (id, elem) {                    if (($(elem).attr('data-hidden') === "0" && action === "hide") ||                        ($(elem).attr('data-hidden') === "1" && action === "show")) {                        // Toggle state of element by clicking                        $(elem).trigger("click", {hideOtherElems: false, animDuration: animDuration});                    }                });            }            // Always rebind custom events on update            self.initDelegatedCustomEvents();            if (opt.afterUpdate) opt.afterUpdate(self.$container, self.paper, self.areas, self.plots, self.options, self.links);        },        /*         * Set plot coordinates         * @param plot object plot element         */        setPlotCoords: function(plot) {            var self = this;            if (plot.options.x !== undefined && plot.options.y !== undefined) {                plot.coords = {                    x: plot.options.x,                    y: plot.options.y                };            } else if (plot.options.plotsOn !== undefined && self.areas[plot.options.plotsOn] !== undefined) {                var areaBBox = self.areas[plot.options.plotsOn].mapElem.getBBox();                plot.coords = {                    x: areaBBox.cx,                    y: areaBBox.cy                };            } else {                plot.coords = self.mapConf.getCoords(plot.options.latitude, plot.options.longitude);            }        },        /*         * Set plot size attributes according to its type         * Note: for SVG, plot.mapElem needs to exists beforehand         * @param plot object plot element         */        setPlotAttributes: function(plot) {            if (plot.options.type === "square") {                plot.options.attrs.width = plot.options.size;                plot.options.attrs.height = plot.options.size;                plot.options.attrs.x = plot.coords.x - (plot.options.size / 2);                plot.options.attrs.y = plot.coords.y - (plot.options.size / 2);            } else if (plot.options.type === "image") {                plot.options.attrs.src = plot.options.url;                plot.options.attrs.width = plot.options.width;                plot.options.attrs.height = plot.options.height;                plot.options.attrs.x = plot.coords.x - (plot.options.width / 2);                plot.options.attrs.y = plot.coords.y - (plot.options.height / 2);            } else if (plot.options.type === "svg") {                plot.options.attrs.path = plot.options.path;                // Init transform string                if (plot.options.attrs.transform === undefined) {                    plot.options.attrs.transform = "";                }                // Retrieve original boundary box if not defined                if (plot.mapElem.originalBBox === undefined) {                    plot.mapElem.originalBBox = plot.mapElem.getBBox();                }                // The base transform will resize the SVG path to the one specified by width/height                // and also move the path to the actual coordinates                plot.mapElem.baseTransform = "m" + (plot.options.width / plot.mapElem.originalBBox.width) + ",0,0," +                                                   (plot.options.height / plot.mapElem.originalBBox.height) + "," +                                                   (plot.coords.x - plot.options.width / 2) + "," +                                                   (plot.coords.y - plot.options.height / 2);                plot.options.attrs.transform = plot.mapElem.baseTransform + plot.options.attrs.transform;            } else { // Default : circle                plot.options.attrs.x = plot.coords.x;                plot.options.attrs.y = plot.coords.y;                plot.options.attrs.r = plot.options.size / 2;            }        },        /*         * Draw all links between plots on the paper         */        drawLinksCollection: function (linksCollection) {            var self = this;            var p1 = {};            var p2 = {};            var coordsP1 = {};            var coordsP2 = {};            var links = {};            $.each(linksCollection, function (id) {                var elemOptions = self.getElemOptions(self.options.map.defaultLink, linksCollection[id], {});                if (typeof linksCollection[id].between[0] === 'string') {                    p1 = self.options.plots[linksCollection[id].between[0]];                } else {                    p1 = linksCollection[id].between[0];                }                if (typeof linksCollection[id].between[1] === 'string') {                    p2 = self.options.plots[linksCollection[id].between[1]];                } else {                    p2 = linksCollection[id].between[1];                }                if (p1.plotsOn !== undefined && self.areas[p1.plotsOn] !== undefined) {                    var p1BBox = self.areas[p1.plotsOn].mapElem.getBBox();                    coordsP1 = {                        x: p1BBox.cx,                        y: p1BBox.cy                    };                }                else if (p1.latitude !== undefined && p1.longitude !== undefined) {                    coordsP1 = self.mapConf.getCoords(p1.latitude, p1.longitude);                } else {                    coordsP1.x = p1.x;                    coordsP1.y = p1.y;                }                if (p2.plotsOn !== undefined && self.areas[p2.plotsOn] !== undefined) {                    var p2BBox = self.areas[p2.plotsOn].mapElem.getBBox();                    coordsP2 = {                        x: p2BBox.cx,                        y: p2BBox.cy                    };                }                else if (p2.latitude !== undefined && p2.longitude !== undefined) {                    coordsP2 = self.mapConf.getCoords(p2.latitude, p2.longitude);                } else {                    coordsP2.x = p2.x;                    coordsP2.y = p2.y;                }                links[id] = self.drawLink(id, coordsP1.x, coordsP1.y, coordsP2.x, coordsP2.y, elemOptions);            });            return links;        },        /*         * Draw a curved link between two couples of coordinates a(xa,ya) and b(xb, yb) on the paper         */        drawLink: function (id, xa, ya, xb, yb, elemOptions) {            var self = this;            var link = {                options: elemOptions            };            // Compute the "curveto" SVG point, d(x,y)            // c(xc, yc) is the center of (xa,ya) and (xb, yb)            var xc = (xa + xb) / 2;            var yc = (ya + yb) / 2;            // Equation for (cd) : y = acd * x + bcd (d is the cure point)            var acd = -1 / ((yb - ya) / (xb - xa));            var bcd = yc - acd * xc;            // dist(c,d) = dist(a,b) (=abDist)            var abDist = Math.sqrt((xb - xa) * (xb - xa) + (yb - ya) * (yb - ya));            // Solution for equation dist(cd) = sqrt((xd - xc)² + (yd - yc)²)            // dist(c,d)² = (xd - xc)² + (yd - yc)²            // We assume that dist(c,d) = dist(a,b)            // so : (xd - xc)² + (yd - yc)² - dist(a,b)² = 0            // With the factor : (xd - xc)² + (yd - yc)² - (factor*dist(a,b))² = 0            // (xd - xc)² + (acd*xd + bcd - yc)² - (factor*dist(a,b))² = 0            var a = 1 + acd * acd;            var b = -2 * xc + 2 * acd * bcd - 2 * acd * yc;            var c = xc * xc + bcd * bcd - bcd * yc - yc * bcd + yc * yc - ((elemOptions.factor * abDist) * (elemOptions.factor * abDist));            var delta = b * b - 4 * a * c;            var x = 0;            var y = 0;            // There are two solutions, we choose one or the other depending on the sign of the factor            if (elemOptions.factor > 0) {                x = (-b + Math.sqrt(delta)) / (2 * a);                y = acd * x + bcd;            } else {                x = (-b - Math.sqrt(delta)) / (2 * a);                y = acd * x + bcd;            }            link.mapElem = self.paper.path("m " + xa + "," + ya + " C " + x + "," + y + " " + xb + "," + yb + " " + xb + "," + yb + "");            self.initElem(id, 'link', link);            return link;        },        /*         * Check wether newAttrs object bring modifications to originalAttrs object         */        isAttrsChanged: function(originalAttrs, newAttrs) {            for (var key in newAttrs) {                if (newAttrs.hasOwnProperty(key) && typeof originalAttrs[key] === 'undefined' || newAttrs[key] !== originalAttrs[key]) {                    return true;                }            }            return false;        },        /*         * Update the element "elem" on the map with the new options         */        updateElem: function (elem, animDuration) {            var self = this;            var mapElemBBox;            var plotOffsetX;            var plotOffsetY;            if (elem.options.toFront === true) {                elem.mapElem.toFront();            }            // Set the cursor attribute related to the HTML link            if (elem.options.href !== undefined) {                elem.options.attrs.cursor = "pointer";                if (elem.options.text) elem.options.text.attrs.cursor = "pointer";            } else {                // No HTML links, check if a cursor was defined to pointer                if (elem.mapElem.attrs.cursor === 'pointer') {                    elem.options.attrs.cursor = "auto";                    if (elem.options.text) elem.options.text.attrs.cursor = "auto";                }            }            // Update the label            if (elem.textElem) {                // Update text attr                elem.options.text.attrs.text = elem.options.text.content;                // Get mapElem size, and apply an offset to handle future width/height change                mapElemBBox = elem.mapElem.getBBox();                if (elem.options.size || (elem.options.width && elem.options.height)) {                    if (elem.options.type === "image" || elem.options.type === "svg") {                        plotOffsetX = (elem.options.width - mapElemBBox.width) / 2;                        plotOffsetY = (elem.options.height - mapElemBBox.height) / 2;                    } else {                        plotOffsetX = (elem.options.size - mapElemBBox.width) / 2;                        plotOffsetY = (elem.options.size - mapElemBBox.height) / 2;                    }                    mapElemBBox.x -= plotOffsetX;                    mapElemBBox.x2 += plotOffsetX;                    mapElemBBox.y -= plotOffsetY;                    mapElemBBox.y2 += plotOffsetY;                }                // Update position attr                var textPosition = self.getTextPosition(mapElemBBox, elem.options.text.position, elem.options.text.margin);                elem.options.text.attrs.x = textPosition.x;                elem.options.text.attrs.y = textPosition.y;                elem.options.text.attrs['text-anchor'] = textPosition.textAnchor;                // Update text element attrs and attrsHover                self.setHoverOptions(elem.textElem, elem.options.text.attrs, elem.options.text.attrsHover);                if (self.isAttrsChanged(elem.textElem.attrs, elem.options.text.attrs)) {                    self.animate(elem.textElem, elem.options.text.attrs, animDuration);                }            }            // Update elements attrs and attrsHover            self.setHoverOptions(elem.mapElem, elem.options.attrs, elem.options.attrsHover);            if (self.isAttrsChanged(elem.mapElem.attrs, elem.options.attrs)) {                self.animate(elem.mapElem, elem.options.attrs, animDuration);            }            // Update the cssClass            if (elem.options.cssClass !== undefined) {                $(elem.mapElem.node).removeClass().addClass(elem.options.cssClass);            }        },        /*         * Draw the plot         */        drawPlot: function (id) {            var self = this;            var plot = {};            // Get plot options and store it            plot.options = self.getElemOptions(                self.options.map.defaultPlot,                (self.options.plots[id] ? self.options.plots[id] : {}),                self.options.legend.plot            );            // Set plot coords            self.setPlotCoords(plot);            // Draw SVG before setPlotAttributes()            if (plot.options.type === "svg") {                plot.mapElem = self.paper.path(plot.options.path);            }            // Set plot size attrs            self.setPlotAttributes(plot);            // Draw other types of plots            if (plot.options.type === "square") {                plot.mapElem = self.paper.rect(                    plot.options.attrs.x,                    plot.options.attrs.y,                    plot.options.attrs.width,                    plot.options.attrs.height                );            } else if (plot.options.type === "image") {                plot.mapElem = self.paper.image(                    plot.options.attrs.src,                    plot.options.attrs.x,                    plot.options.attrs.y,                    plot.options.attrs.width,                    plot.options.attrs.height                );            } else if (plot.options.type === "svg") {                // Nothing to do            } else {                // Default = circle                plot.mapElem = self.paper.circle(                    plot.options.attrs.x,                    plot.options.attrs.y,                    plot.options.attrs.r                );            }            self.initElem(id, 'plot', plot);            return plot;        },        /*         * Set user defined handlers for events on areas and plots         * @param id the id of the element         * @param type the type of the element (area, plot, link)         * @param elem the element object {mapElem, textElem, options, ...}         */        setEventHandlers: function (id, type, elem) {            var self = this;            $.each(elem.options.eventHandlers, function (event) {                if (self.customEventHandlers[event] === undefined) self.customEventHandlers[event] = {};                if (self.customEventHandlers[event][type] === undefined) self.customEventHandlers[event][type] = {};                self.customEventHandlers[event][type][id] = elem;            });        },        /*         * Draw a legend for areas and / or plots         * @param legendOptions options for the legend to draw         * @param legendType the type of the legend : "area" or "plot"         * @param elems collection of plots or areas on the maps         * @param legendIndex index of the legend in the conf array         */        drawLegend: function (legendOptions, legendType, elems, scale, legendIndex) {            var self = this;            var $legend = {};            var legendPaper = {};            var width = 0;            var height = 0;            var title = null;            var titleBBox = null;            var legendElems = {};            var i = 0;            var x = 0;            var y = 0;            var yCenter = 0;            var sliceOptions = [];            $legend = $("." + legendOptions.cssClass, self.$container);            // Save content for later            var initialHTMLContent = $legend.html();            $legend.empty();            legendPaper = new Raphael($legend.get(0));            // Set some data to object            $(legendPaper.canvas).attr({"data-legend-type": legendType, "data-legend-id": legendIndex});            height = width = 0;            // Set the title of the legend            if (legendOptions.title && legendOptions.title !== "") {                title = legendPaper.text(legendOptions.marginLeftTitle, 0, legendOptions.title).attr(legendOptions.titleAttrs);                titleBBox = title.getBBox();                title.attr({y: 0.5 * titleBBox.height});                width = legendOptions.marginLeftTitle + titleBBox.width;                height += legendOptions.marginBottomTitle + titleBBox.height;            }            // Calculate attrs (and width, height and r (radius)) for legend elements, and yCenter for horizontal legends            for (i = 0; i < legendOptions.slices.length; ++i) {                var yCenterCurrent = 0;                sliceOptions[i] = $.extend(true, {}, (legendType === "plot") ? self.options.map.defaultPlot : self.options.map.defaultArea, legendOptions.slices[i]);                if (legendOptions.slices[i].legendSpecificAttrs === undefined) {                    legendOptions.slices[i].legendSpecificAttrs = {};                }                $.extend(true, sliceOptions[i].attrs, legendOptions.slices[i].legendSpecificAttrs);                if (legendType === "area") {                    if (sliceOptions[i].attrs.width === undefined)                        sliceOptions[i].attrs.width = 30;                    if (sliceOptions[i].attrs.height === undefined)                        sliceOptions[i].attrs.height = 20;                } else if (sliceOptions[i].type === "square") {                    if (sliceOptions[i].attrs.width === undefined)                        sliceOptions[i].attrs.width = sliceOptions[i].size;                    if (sliceOptions[i].attrs.height === undefined)                        sliceOptions[i].attrs.height = sliceOptions[i].size;                } else if (sliceOptions[i].type === "image" || sliceOptions[i].type === "svg") {                    if (sliceOptions[i].attrs.width === undefined)                        sliceOptions[i].attrs.width = sliceOptions[i].width;                    if (sliceOptions[i].attrs.height === undefined)                        sliceOptions[i].attrs.height = sliceOptions[i].height;                } else {                    if (sliceOptions[i].attrs.r === undefined)                        sliceOptions[i].attrs.r = sliceOptions[i].size / 2;                }                // Compute yCenter for this legend slice                yCenterCurrent = legendOptions.marginBottomTitle;                // Add title height if it exists                if (title) {                    yCenterCurrent += titleBBox.height;                }                if (legendType === "plot" && (sliceOptions[i].type === undefined || sliceOptions[i].type === "circle")) {                    yCenterCurrent += scale * sliceOptions[i].attrs.r;                } else {                    yCenterCurrent += scale * sliceOptions[i].attrs.height / 2;                }                // Update yCenter if current larger                yCenter = Math.max(yCenter, yCenterCurrent);            }            if (legendOptions.mode === "horizontal") {                width = legendOptions.marginLeft;            }            // Draw legend elements (circle, square or image in vertical or horizontal mode)            for (i = 0; i < sliceOptions.length; ++i) {                var legendElem = {};                var legendElemBBox = {};                var legendLabel = {};                if (sliceOptions[i].display === undefined || sliceOptions[i].display === true) {                    if (legendType === "area") {                        if (legendOptions.mode === "horizontal") {                            x = width + legendOptions.marginLeft;                            y = yCenter - (0.5 * scale * sliceOptions[i].attrs.height);                        } else {                            x = legendOptions.marginLeft;                            y = height;                        }                        legendElem = legendPaper.rect(x, y, scale * (sliceOptions[i].attrs.width), scale * (sliceOptions[i].attrs.height));                    } else if (sliceOptions[i].type === "square") {                        if (legendOptions.mode === "horizontal") {                            x = width + legendOptions.marginLeft;                            y = yCenter - (0.5 * scale * sliceOptions[i].attrs.height);                        } else {                            x = legendOptions.marginLeft;                            y = height;                        }                        legendElem = legendPaper.rect(x, y, scale * (sliceOptions[i].attrs.width), scale * (sliceOptions[i].attrs.height));                    } else if (sliceOptions[i].type === "image" || sliceOptions[i].type === "svg") {                        if (legendOptions.mode === "horizontal") {                            x = width + legendOptions.marginLeft;                            y = yCenter - (0.5 * scale * sliceOptions[i].attrs.height);                        } else {                            x = legendOptions.marginLeft;                            y = height;                        }                        if (sliceOptions[i].type === "image") {                            legendElem = legendPaper.image(                                sliceOptions[i].url, x, y, scale * sliceOptions[i].attrs.width, scale * sliceOptions[i].attrs.height);                        } else {                            legendElem = legendPaper.path(sliceOptions[i].path);                            if (sliceOptions[i].attrs.transform === undefined) {                                sliceOptions[i].attrs.transform = "";                            }                            legendElemBBox = legendElem.getBBox();                            sliceOptions[i].attrs.transform = "m" + ((scale * sliceOptions[i].width) / legendElemBBox.width) + ",0,0," + ((scale * sliceOptions[i].height) / legendElemBBox.height) + "," + x + "," + y + sliceOptions[i].attrs.transform;                        }                    } else {                        if (legendOptions.mode === "horizontal") {                            x = width + legendOptions.marginLeft + scale * (sliceOptions[i].attrs.r);                            y = yCenter;                        } else {                            x = legendOptions.marginLeft + scale * (sliceOptions[i].attrs.r);                            y = height + scale * (sliceOptions[i].attrs.r);                        }                        legendElem = legendPaper.circle(x, y, scale * (sliceOptions[i].attrs.r));                    }                    // Set attrs to the element drawn above                    delete sliceOptions[i].attrs.width;                    delete sliceOptions[i].attrs.height;                    delete sliceOptions[i].attrs.r;                    legendElem.attr(sliceOptions[i].attrs);                    legendElemBBox = legendElem.getBBox();                    // Draw the label associated with the element                    if (legendOptions.mode === "horizontal") {                        x = width + legendOptions.marginLeft + legendElemBBox.width + legendOptions.marginLeftLabel;                        y = yCenter;                    } else {                        x = legendOptions.marginLeft + legendElemBBox.width + legendOptions.marginLeftLabel;                        y = height + (legendElemBBox.height / 2);                    }                    legendLabel = legendPaper.text(x, y, sliceOptions[i].label).attr(legendOptions.labelAttrs);                    // Update the width and height for the paper                    if (legendOptions.mode === "horizontal") {                        var currentHeight = legendOptions.marginBottom + legendElemBBox.height;                        width += legendOptions.marginLeft + legendElemBBox.width + legendOptions.marginLeftLabel + legendLabel.getBBox().width;                        if (sliceOptions[i].type !== "image" && legendType !== "area") {                            currentHeight += legendOptions.marginBottomTitle;                        }                        // Add title height if it exists                        if (title) {                            currentHeight += titleBBox.height;                        }                        height = Math.max(height, currentHeight);                    } else {                        width = Math.max(width, legendOptions.marginLeft + legendElemBBox.width + legendOptions.marginLeftLabel + legendLabel.getBBox().width);                        height += legendOptions.marginBottom + legendElemBBox.height;                    }                    // Set some data to elements                    $(legendElem.node).attr({                        "data-legend-id": legendIndex,                        "data-legend-type": legendType,                        "data-type": "legend-elem",                        "data-id": i,                        "data-hidden": 0                    });                    $(legendLabel.node).attr({                        "data-legend-id": legendIndex,                        "data-legend-type": legendType,                        "data-type": "legend-label",                        "data-id": i,                        "data-hidden": 0                    });                    // Set array content                    // We use similar names like map/plots/links                    legendElems[i] = {                        mapElem: legendElem,                        textElem: legendLabel                    };                    // Hide map elements when the user clicks on a legend item                    if (legendOptions.hideElemsOnClick.enabled) {                        // Hide/show elements when user clicks on a legend element                        legendLabel.attr({cursor: "pointer"});                        legendElem.attr({cursor: "pointer"});                        self.setHoverOptions(legendElem, sliceOptions[i].attrs, sliceOptions[i].attrs);                        self.setHoverOptions(legendLabel, legendOptions.labelAttrs, legendOptions.labelAttrsHover);                        if (sliceOptions[i].clicked !== undefined && sliceOptions[i].clicked === true) {                            self.handleClickOnLegendElem(legendElems[i], i, legendIndex, legendType, {hideOtherElems: false});                        }                    }                }            }            // VMLWidth option allows you to set static width for the legend            // only for VML render because text.getBBox() returns wrong values on IE6/7            if (Raphael.type !== "SVG" && legendOptions.VMLWidth)                width = legendOptions.VMLWidth;            legendPaper.setSize(width, height);            return {                container: $legend,                initialHTMLContent: initialHTMLContent,                elems: legendElems            };        },        /*         * Allow to hide elements of the map when the user clicks on a related legend item         * @param elem legend element         * @param id legend element ID         * @param legendIndex corresponding legend index         * @param legendType corresponding legend type (area or plot)         * @param opts object additionnal options         *          hideOtherElems boolean, if other elems shall be hidden         *          animDuration duration of animation         */        handleClickOnLegendElem: function(elem, id, legendIndex, legendType, opts) {            var self = this;            var legendOptions;            opts = opts || {};            if (!$.isArray(self.options.legend[legendType])) {                legendOptions = self.options.legend[legendType];            } else {                legendOptions = self.options.legend[legendType][legendIndex];            }            var legendElem = elem.mapElem;            var legendLabel = elem.textElem;            var $legendElem = $(legendElem.node);            var $legendLabel = $(legendLabel.node);            var sliceOptions = legendOptions.slices[id];            var mapElems = legendType === 'area' ? self.areas : self.plots;            // Check animDuration: if not set, this is a regular click, use the value specified in options            var animDuration = opts.animDuration !== undefined ? opts.animDuration : legendOptions.hideElemsOnClick.animDuration ;            var hidden = $legendElem.attr('data-hidden');            var hiddenNewAttr = (hidden === '0') ? {"data-hidden": '1'} : {"data-hidden": '0'};            if (hidden === '0') {                self.animate(legendLabel, {"opacity": 0.5}, animDuration);            } else {                self.animate(legendLabel, {"opacity": 1}, animDuration);            }            $.each(mapElems, function (y) {                var elemValue;                // Retreive stored data of element                //      'hidden-by' contains the list of legendIndex that is hiding this element                var hiddenBy = mapElems[y].mapElem.data('hidden-by');                // Set to empty object if undefined                if (hiddenBy === undefined) hiddenBy = {};                if ($.isArray(mapElems[y].options.value)) {                    elemValue = mapElems[y].options.value[legendIndex];                } else {                    elemValue = mapElems[y].options.value;                }                // Hide elements whose value matches with the slice of the clicked legend item                if (self.getLegendSlice(elemValue, legendOptions) === sliceOptions) {                    if (hidden === '0') { // we want to hide this element                        hiddenBy[legendIndex] = true; // add legendIndex to the data object for later use                        self.setElementOpacity(mapElems[y], legendOptions.hideElemsOnClick.opacity, animDuration);                    } else { // We want to show this element                        delete hiddenBy[legendIndex]; // Remove this legendIndex from object                        // Check if another legendIndex is defined                        // We will show this element only if no legend is no longer hiding it                        if ($.isEmptyObject(hiddenBy)) {                            self.setElementOpacity(                                mapElems[y],                                mapElems[y].mapElem.originalAttrs.opacity !== undefined ? mapElems[y].mapElem.originalAttrs.opacity : 1,                                animDuration                            );                        }                    }                    // Update elem data with new values                    mapElems[y].mapElem.data('hidden-by', hiddenBy);                }            });            $legendElem.attr(hiddenNewAttr);            $legendLabel.attr(hiddenNewAttr);            if ((opts.hideOtherElems === undefined || opts.hideOtherElems === true) && legendOptions.exclusive === true ) {                $("[data-type='legend-elem'][data-hidden=0]", self.$container).each(function () {                    var $elem = $(this);                    if ($elem.attr('data-id') !== id) {                        $elem.trigger("click", {hideOtherElems: false});                    }                });            }        },        /*         * Create all legends for a specified type (area or plot)         * @param legendType the type of the legend : "area" or "plot"         * @param elems collection of plots or areas displayed on the map         * @param scale scale ratio of the map         */        createLegends: function (legendType, elems, scale) {            var self = this;            var legendsOptions = self.options.legend[legendType];            if (!$.isArray(self.options.legend[legendType])) {                legendsOptions = [self.options.legend[legendType]];            }            self.legends[legendType] = {};            for (var j = 0; j < legendsOptions.length; ++j) {                if (legendsOptions[j].display === true  && $.isArray(legendsOptions[j].slices) && legendsOptions[j].slices.length > 0 &&                    legendsOptions[j].cssClass !== "" && $("." + legendsOptions[j].cssClass, self.$container).length !== 0                ) {                    self.legends[legendType][j] = self.drawLegend(legendsOptions[j], legendType, elems, scale, j);                }            }        },        /*         * Set the attributes on hover and the attributes to restore for a map element         * @param elem the map element         * @param originalAttrs the original attributes to restore on mouseout event         * @param attrsHover the attributes to set on mouseover event         */        setHoverOptions: function (elem, originalAttrs, attrsHover) {            // Disable transform option on hover for VML (IE<9) because of several bugs            if (Raphael.type !== "SVG") delete attrsHover.transform;            elem.attrsHover = attrsHover;            if (elem.attrsHover.transform) elem.originalAttrs = $.extend({transform: "s1"}, originalAttrs);            else elem.originalAttrs = originalAttrs;        },        /*         * Set the behaviour when mouse enters element ("mouseover" event)         * It may be an area, a plot, a link or a legend element         * @param elem the map element         */        elemEnter: function (elem) {            var self = this;            if (elem === undefined) return;            /* Handle mapElem Hover attributes */            if (elem.mapElem !== undefined) {                self.animate(elem.mapElem, elem.mapElem.attrsHover, elem.mapElem.attrsHover.animDuration);            }            /* Handle textElem Hover attributes */            if (elem.textElem !== undefined) {                self.animate(elem.textElem, elem.textElem.attrsHover, elem.textElem.attrsHover.animDuration);            }            /* Handle tooltip init */            if (elem.options && elem.options.tooltip !== undefined) {                var content = '';                // Reset classes                self.$tooltip.removeClass().addClass(self.options.map.tooltip.cssClass);                // Get content                if (elem.options.tooltip.content !== undefined) {                    // if tooltip.content is function, call it. Otherwise, assign it directly.                    if (typeof elem.options.tooltip.content === "function") content = elem.options.tooltip.content(elem.mapElem);                    else content = elem.options.tooltip.content;                }                if (elem.options.tooltip.cssClass !== undefined) {                    self.$tooltip.addClass(elem.options.tooltip.cssClass);                }                self.$tooltip.html(content).css("display", "block");            }            // workaround for older version of Raphael            if (elem.mapElem !== undefined || elem.textElem !== undefined) {                if (self.paper.safari) self.paper.safari();            }        },        /*         * Set the behaviour when mouse moves in element ("mousemove" event)         * @param elem the map element         */        elemHover: function (elem, event) {            var self = this;            if (elem === undefined) return;            /* Handle tooltip position update */            if (elem.options.tooltip !== undefined) {                var mouseX = event.pageX;                var mouseY = event.pageY;                var offsetLeft = 10;                var offsetTop = 20;                if (typeof elem.options.tooltip.offset === "object") {                    if (typeof elem.options.tooltip.offset.left !== "undefined") {                        offsetLeft = elem.options.tooltip.offset.left;                    }                    if (typeof elem.options.tooltip.offset.top !== "undefined") {                        offsetTop = elem.options.tooltip.offset.top;                    }                }                var tooltipPosition = {                    "left": Math.min(self.$map.width() - self.$tooltip.outerWidth() - 5,                                     mouseX - self.$map.offset().left + offsetLeft),                    "top": Math.min(self.$map.height() - self.$tooltip.outerHeight() - 5,                                    mouseY - self.$map.offset().top + offsetTop)                };                if (typeof elem.options.tooltip.overflow === "object") {                    if (elem.options.tooltip.overflow.right === true) {                        tooltipPosition.left = mouseX - self.$map.offset().left + 10;                    }                    if (elem.options.tooltip.overflow.bottom === true) {                        tooltipPosition.top = mouseY - self.$map.offset().top + 20;                    }                }                self.$tooltip.css(tooltipPosition);            }        },        /*         * Set the behaviour when mouse leaves element ("mouseout" event)         * It may be an area, a plot, a link or a legend element         * @param elem the map element         */        elemOut: function (elem) {            var self = this;            if (elem === undefined) return;            /* reset mapElem attributes */            if (elem.mapElem !== undefined) {                self.animate(elem.mapElem, elem.mapElem.originalAttrs, elem.mapElem.attrsHover.animDuration);            }            /* reset textElem attributes */            if (elem.textElem !== undefined) {                self.animate(elem.textElem, elem.textElem.originalAttrs, elem.textElem.attrsHover.animDuration);            }            /* reset tooltip */            if (elem.options && elem.options.tooltip !== undefined) {                self.$tooltip.css({                    'display': 'none',                    'top': -1000,                    'left': -1000                });            }            // workaround for older version of Raphael            if (elem.mapElem !== undefined || elem.textElem !== undefined) {                if (self.paper.safari) self.paper.safari();            }        },        /*         * Set the behaviour when mouse clicks element ("click" event)         * It may be an area, a plot or a link (but not a legend element which has its own function)         * @param elem the map element         */        elemClick: function (elem) {            var self = this;            if (elem === undefined) return;            /* Handle click when href defined */            if (!self.panning && elem.options.href !== undefined) {                window.open(elem.options.href, elem.options.target);            }        },        /*         * Get element options by merging default options, element options and legend options         * @param defaultOptions         * @param elemOptions         * @param legendOptions         */        getElemOptions: function (defaultOptions, elemOptions, legendOptions) {            var self = this;            var options = $.extend(true, {}, defaultOptions, elemOptions);            if (options.value !== undefined) {                if ($.isArray(legendOptions)) {                    for (var i = 0; i < legendOptions.length; ++i) {                        options = $.extend(true, {}, options, self.getLegendSlice(options.value[i], legendOptions[i]));                    }                } else {                    options = $.extend(true, {}, options, self.getLegendSlice(options.value, legendOptions));                }            }            return options;        },        /*         * Get the coordinates of the text relative to a bbox and a position         * @param bbox the boundary box of the element         * @param textPosition the wanted text position (inner, right, left, top or bottom)         * @param margin number or object {x: val, y:val} margin between the bbox and the text         */        getTextPosition: function (bbox, textPosition, margin) {            var textX = 0;            var textY = 0;            var textAnchor = "";            if (typeof margin === "number") {                if (textPosition === "bottom" || textPosition === "top") {                    margin = {x: 0, y: margin};                } else if (textPosition === "right" || textPosition === "left") {                    margin = {x: margin, y: 0};                } else {                    margin = {x: 0, y: 0};                }            }            switch (textPosition) {                case "bottom" :                    textX = ((bbox.x + bbox.x2) / 2) + margin.x;                    textY = bbox.y2 + margin.y;                    textAnchor = "middle";                    break;                case "top" :                    textX = ((bbox.x + bbox.x2) / 2) + margin.x;                    textY = bbox.y - margin.y;                    textAnchor = "middle";                    break;                case "left" :                    textX = bbox.x - margin.x;                    textY = ((bbox.y + bbox.y2) / 2) + margin.y;                    textAnchor = "end";                    break;                case "right" :                    textX = bbox.x2 + margin.x;                    textY = ((bbox.y + bbox.y2) / 2) + margin.y;                    textAnchor = "start";                    break;                default : // "inner" position                    textX = ((bbox.x + bbox.x2) / 2) + margin.x;                    textY = ((bbox.y + bbox.y2) / 2) + margin.y;                    textAnchor = "middle";            }            return {"x": textX, "y": textY, "textAnchor": textAnchor};        },        /*         * Get the legend conf matching with the value         * @param value the value to match with a slice in the legend         * @param legend the legend params object         * @return the legend slice matching with the value         */        getLegendSlice: function (value, legend) {            for (var i = 0; i < legend.slices.length; ++i) {                if ((legend.slices[i].sliceValue !== undefined && value === legend.slices[i].sliceValue) ||                    ((legend.slices[i].sliceValue === undefined) &&                        (legend.slices[i].min === undefined || value >= legend.slices[i].min) &&                        (legend.slices[i].max === undefined || value <= legend.slices[i].max))                ) {                    return legend.slices[i];                }            }            return {};        },        /*         * Animated view box changes         * As from http://code.voidblossom.com/animating-viewbox-easing-formulas/,         * (from https://github.com/theshaun works on mapael)         * @param x coordinate of the point to focus on         * @param y coordinate of the point to focus on         * @param w map defined width         * @param h map defined height         * @param duration defined length of time for animation         * @param easingFunction defined Raphael supported easing_formula to use         */        animateViewBox: function (targetX, targetY, targetW, targetH, duration, easingFunction) {            var self = this;            var cx = self.currentViewBox.x;            var dx = targetX - cx;            var cy = self.currentViewBox.y;            var dy = targetY - cy;            var cw = self.currentViewBox.w;            var dw = targetW - cw;            var ch = self.currentViewBox.h;            var dh = targetH - ch;            // Init current ViewBox target if undefined            if (!self.zoomAnimCVBTarget) {                self.zoomAnimCVBTarget = {                    x: targetX, y: targetY, w: targetW, h: targetH                };            }            // Determine zoom direction by comparig current vs. target width            var zoomDir = (cw > targetW) ? 'in' : 'out';            var easingFormula = Raphael.easing_formulas[easingFunction || "linear"];            // To avoid another frame when elapsed time approach end (2%)            var durationWithMargin = duration - (duration * 2 / 100);            // Save current zoomAnimStartTime before assigning a new one            var oldZoomAnimStartTime = self.zoomAnimStartTime;            self.zoomAnimStartTime = (new Date()).getTime();            /* Actual function to animate the ViewBox             * Uses requestAnimationFrame to schedule itself again until animation is over             */            var computeNextStep = function () {                // Cancel any remaining animationFrame                // It means this new step will take precedence over the old one scheduled                // This is the case when the user is triggering the zoom fast (e.g. with a big mousewheel run)                // This actually does nothing when performing a single zoom action                self.cancelAnimationFrame(self.zoomAnimID);                // Compute elapsed time                var elapsed = (new Date()).getTime() - self.zoomAnimStartTime;                // Check if animation should finish                if (elapsed < durationWithMargin) {                    // Hold the future ViewBox values                    var x, y, w, h;                    // There are two ways to compute the next ViewBox size                    //  1. If the target ViewBox has changed between steps (=> ADAPTATION step)                    //  2. Or if the target ViewBox is the same (=> NORMAL step)                    //                    // A change of ViewBox target between steps means the user is triggering                    // the zoom fast (like a big scroll with its mousewheel)                    //                    // The new animation step with the new target will always take precedence over the                    // last one and start from 0 (we overwrite zoomAnimStartTime and cancel the scheduled frame)                    //                    // So if we don't detect the change of target and adapt our computation,                    // the user will see a delay at beginning the ratio will stays at 0 for some frames                    //                    // Hence when detecting the change of target, we animate from the previous target.                    //                    // The next step will then take the lead and continue from there, achieving a nicer                    // experience for user.                    // Change of target IF: an old animation start value exists AND the target has actually changed                    if (oldZoomAnimStartTime && self.zoomAnimCVBTarget && self.zoomAnimCVBTarget.w !== targetW) {                        // Compute the real time elapsed with the last step                        var realElapsed = (new Date()).getTime() - oldZoomAnimStartTime;                        // Compute then the actual ratio we're at                        var realRatio = easingFormula(realElapsed / duration);                        // Compute new ViewBox values                        // The difference with the normal function is regarding the delta  value used                        // We don't take the current (dx, dy, dw, dh) values yet because they are related to the new target                        // But we take the old target                        x = cx + (self.zoomAnimCVBTarget.x - cx) * realRatio;                        y = cy + (self.zoomAnimCVBTarget.y - cy) * realRatio;                        w = cw + (self.zoomAnimCVBTarget.w - cw) * realRatio;                        h = ch + (self.zoomAnimCVBTarget.h - ch) * realRatio;                        // Update cw, cy, cw and ch so the next step take animation from here                        cx = x;                        dx = targetX - cx;                        cy = y;                        dy = targetY - cy;                        cw = w;                        dw = targetW - cw;                        ch = h;                        dh = targetH - ch;                        // Update the current ViewBox target                        self.zoomAnimCVBTarget = {                            x: targetX, y: targetY, w: targetW, h: targetH                        };                    } else {                        // This is the classical approach when nothing come interrupting the zoom                        // Compute ratio according to elasped time and easing formula                        var ratio = easingFormula(elapsed / duration);                        // From the current value, we add a delta with a ratio that will leads us to the target                        x = cx + dx * ratio;                        y = cy + dy * ratio;                        w = cw + dw * ratio;                        h = ch + dh * ratio;                    }                    // Some checks before applying the new viewBox                    if (zoomDir === 'in' && (w > self.currentViewBox.w || w < targetW)) {                        // Zooming IN and the new ViewBox seems larger than the current value, or smaller than target value                        // We do NOT set the ViewBox with this value                        // Otherwise, the user would see the camera going back and forth                    } else if (zoomDir === 'out' && (w < self.currentViewBox.w || w > targetW)) {                        // Zooming OUT and the new ViewBox seems smaller than the current value, or larger than target value                        // We do NOT set the ViewBox with this value                        // Otherwise, the user would see the camera going back and forth                    } else {                        // New values look good, applying                        self.setViewBox(x, y, w, h);                    }                    // Schedule the next step                    self.zoomAnimID = self.requestAnimationFrame(computeNextStep);                } else {                    /* Zoom animation done ! */                    // Perform some cleaning                    self.zoomAnimStartTime = null;                    self.zoomAnimCVBTarget = null;                    // Make sure the ViewBox hits the target!                    if (self.currentViewBox.w !== targetW) {                        self.setViewBox(targetX, targetY, targetW, targetH);                    }                    // Finally trigger afterZoom event                    self.$map.trigger("afterZoom", {                        x1: targetX, y1: targetY,                        x2: (targetX + targetW), y2: (targetY + targetH)                    });                }            };            // Invoke the first step directly            computeNextStep();        },        /*         * requestAnimationFrame/cancelAnimationFrame polyfill         * Based on https://gist.github.com/jlmakes/47eba84c54bc306186ac1ab2ffd336d4         * and also https://gist.github.com/paulirish/1579671         *         * _requestAnimationFrameFn and _cancelAnimationFrameFn hold the current functions         * But requestAnimationFrame and cancelAnimationFrame shall be called since         * in order to be in window context         */        // The function to use for requestAnimationFrame        requestAnimationFrame: function(callback) {            return this._requestAnimationFrameFn.call(window, callback);        },        // The function to use for cancelAnimationFrame        cancelAnimationFrame: function(id) {            this._cancelAnimationFrameFn.call(window, id);        },        // The requestAnimationFrame polyfill'd function        // Value set by self-invoking function, will be run only once        _requestAnimationFrameFn: (function () {            var polyfill = (function () {                var clock = (new Date()).getTime();                return function (callback) {                    var currentTime = (new Date()).getTime();                    // requestAnimationFrame strive to run @60FPS                    // (e.g. every 16 ms)                    if (currentTime - clock > 16) {                        clock = currentTime;                        callback(currentTime);                    } else {                        // Ask browser to schedule next callback when possible                        return setTimeout(function () {                            polyfill(callback);                        }, 0);                    }                };            })();            return window.requestAnimationFrame ||                window.webkitRequestAnimationFrame ||                window.mozRequestAnimationFrame ||                window.msRequestAnimationFrame ||                window.oRequestAnimationFrame ||                polyfill;        })(),        // The CancelAnimationFrame polyfill'd function        // Value set by self-invoking function, will be run only once        _cancelAnimationFrameFn: (function () {            return window.cancelAnimationFrame ||                window.webkitCancelAnimationFrame ||                window.webkitCancelRequestAnimationFrame ||                window.mozCancelAnimationFrame ||                window.mozCancelRequestAnimationFrame ||                window.msCancelAnimationFrame ||                window.msCancelRequestAnimationFrame ||                window.oCancelAnimationFrame ||                window.oCancelRequestAnimationFrame ||                clearTimeout;        })(),        /*         * SetViewBox wrapper         * Apply new viewbox values and keep track of them         *         * This avoid using the internal variable paper._viewBox which         * may not be present in future version of Raphael         */        setViewBox: function(x, y, w, h) {            var self = this;            // Update current value            self.currentViewBox.x = x;            self.currentViewBox.y = y;            self.currentViewBox.w = w;            self.currentViewBox.h = h;            // Perform set view box            self.paper.setViewBox(x, y, w, h, false);        },        /*         * Animate wrapper for Raphael element         *         * Perform an animation and ensure the non-animated attr are set.         * This is needed for specific attributes like cursor who will not         * be animated, and thus not set.         *         * If duration is set to 0 (or not set), no animation are performed         * and attributes are directly set (and the callback directly called)         */        // List extracted from Raphael internal vars        // Diff between Raphael.availableAttrs  and  Raphael._availableAnimAttrs        _nonAnimatedAttrs: [            "arrow-end", "arrow-start", "gradient",            "class", "cursor", "text-anchor",            "font", "font-family", "font-style", "font-weight", "letter-spacing",            "src", "href", "target", "title",            "stroke-dasharray", "stroke-linecap", "stroke-linejoin", "stroke-miterlimit"        ],        /*         * @param element Raphael element         * @param attrs Attributes object to animate         * @param duration Animation duration in ms         * @param callback Callback to eventually call after animation is done         */        animate: function(element, attrs, duration, callback) {            var self = this;            // Check element            if (!element) return;            if (duration > 0) {                // Filter out non-animated attributes                // Note: we don't need to delete from original attribute (they won't be set anyway)                var attrsNonAnimated = {};                for (var i=0 ; i < self._nonAnimatedAttrs.length ; i++) {                    var attrName = self._nonAnimatedAttrs[i];                    if (attrs[attrName] !== undefined) {                        attrsNonAnimated[attrName] = attrs[attrName];                    }                }                // Set non-animated attributes                element.attr(attrsNonAnimated);                // Start animation for all attributes                element.animate(attrs, duration, 'linear', function() {                    if (callback) callback();                });            } else {                // No animation: simply set all attributes...                element.attr(attrs);                // ... and call the callback if needed                if (callback) callback();            }        },        /*         * Check for Raphael bug regarding drawing while beeing hidden (under display:none)         * See https://github.com/neveldo/jQuery-Mapael/issues/135         * @return true/false         *         * Wants to override this behavior? Use prototype overriding:         *     $.mapael.prototype.isRaphaelBBoxBugPresent = function() {return false;};         */        isRaphaelBBoxBugPresent: function() {            var self = this;            // Draw text, then get its boundaries            var textElem = self.paper.text(-50, -50, "TEST");            var textElemBBox = textElem.getBBox();            // remove element            textElem.remove();            // If it has no height and width, then the paper is hidden            return (textElemBBox.width === 0 && textElemBBox.height === 0);        },        // Default map options        defaultOptions: {            map: {                cssClass: "map",                tooltip: {                    cssClass: "mapTooltip"                },                defaultArea: {                    attrs: {                        fill: "#343434",                        stroke: "#5d5d5d",                        "stroke-width": 1,                        "stroke-linejoin": "round"                    },                    attrsHover: {                        fill: "#f38a03",                        animDuration: 300                    },                    text: {                        position: "inner",                        margin: 10,                        attrs: {                            "font-size": 15,                            fill: "#c7c7c7"                        },                        attrsHover: {                            fill: "#eaeaea",                            "animDuration": 300                        }                    },                    target: "_self",                    cssClass: "area"                },                defaultPlot: {                    type: "circle",                    size: 15,                    attrs: {                        fill: "#0088db",                        stroke: "#fff",                        "stroke-width": 0,                        "stroke-linejoin": "round"                    },                    attrsHover: {                        "stroke-width": 3,                        animDuration: 300                    },                    text: {                        position: "right",                        margin: 10,                        attrs: {                            "font-size": 15,                            fill: "#c7c7c7"                        },                        attrsHover: {                            fill: "#eaeaea",                            animDuration: 300                        }                    },                    target: "_self",                    cssClass: "plot"                },                defaultLink: {                    factor: 0.5,                    attrs: {                        stroke: "#0088db",                        "stroke-width": 2                    },                    attrsHover: {                        animDuration: 300                    },                    text: {                        position: "inner",                        margin: 10,                        attrs: {                            "font-size": 15,                            fill: "#c7c7c7"                        },                        attrsHover: {                            fill: "#eaeaea",                            animDuration: 300                        }                    },                    target: "_self",                    cssClass: "link"                },                zoom: {                    enabled: false,                    minLevel: 0,                    maxLevel: 10,                    step: 0.25,                    mousewheel: true,                    touch: true,                    animDuration: 200,                    animEasing: "linear",                    buttons: {                        "reset": {                            cssClass: "zoomButton zoomReset",                            content: "•", // bullet sign                            title: "Reset zoom"                        },                        "in": {                            cssClass: "zoomButton zoomIn",                            content: "+",                            title: "Zoom in"                        },                        "out": {                            cssClass: "zoomButton zoomOut",                            content: "−", // minus sign                            title: "Zoom out"                        }                    }                }            },            legend: {                redrawOnResize: true,                area: [],                plot: []            },            areas: {},            plots: {},            links: {}        },        // Default legends option        legendDefaultOptions: {            area: {                cssClass: "areaLegend",                display: true,                marginLeft: 10,                marginLeftTitle: 5,                marginBottomTitle: 10,                marginLeftLabel: 10,                marginBottom: 10,                titleAttrs: {                    "font-size": 16,                    fill: "#343434",                    "text-anchor": "start"                },                labelAttrs: {                    "font-size": 12,                    fill: "#343434",                    "text-anchor": "start"                },                labelAttrsHover: {                    fill: "#787878",                    animDuration: 300                },                hideElemsOnClick: {                    enabled: true,                    opacity: 0.2,                    animDuration: 300                },                slices: [],                mode: "vertical"            },            plot: {                cssClass: "plotLegend",                display: true,                marginLeft: 10,                marginLeftTitle: 5,                marginBottomTitle: 10,                marginLeftLabel: 10,                marginBottom: 10,                titleAttrs: {                    "font-size": 16,                    fill: "#343434",                    "text-anchor": "start"                },                labelAttrs: {                    "font-size": 12,                    fill: "#343434",                    "text-anchor": "start"                },                labelAttrsHover: {                    fill: "#787878",                    animDuration: 300                },                hideElemsOnClick: {                    enabled: true,                    opacity: 0.2,                    animDuration: 300                },                slices: [],                mode: "vertical"            }        }    };    // Mapael version number    // Accessible as $.mapael.version    Mapael.version = version;    // Extend jQuery with Mapael    if ($[pluginName] === undefined) $[pluginName] = Mapael;    // Add jQuery DOM function    $.fn[pluginName] = function (options) {        // Call Mapael on each element        return this.each(function () {            // Avoid leaking problem on multiple instanciation by removing an old mapael object on a container            if ($.data(this, pluginName)) {                $.data(this, pluginName).destroy();            }            // Create Mapael and save it as jQuery data            // This allow external access to Mapael using $(".mapcontainer").data("mapael")            $.data(this, pluginName, new Mapael(this, options));        });    };    return Mapael;}));
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