src/main/webapp/resources/js/map/jquery.mapael.js

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/*!
 *
 * Jquery Mapael - Dynamic maps jQuery plugin (based on raphael.js)
 * Requires jQuery, raphael.js and jquery.mousewheel
 *
 * Version: 2.1.0
 *
 * Copyright (c) 2017 Vincent Brout?(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 = "2.1.0";

    /*
     * 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)