Source: api/StateManager.js

define(["dojo/_base/declare", "dojo/_base/array","spw/api/Utils"], function (declare, array, Utils) {

    var StateManager = null;

    /**
     * @class spw.api.StateManager
     * @classdesc Manager permettant de gérer l'état du viewer
     */
    StateManager = declare("spw.api.StateManager", null, /** @lends spw.api.StateManager.prototype */{

        _widgetsRegistred:null,

        _catalogState:null,
        _baseMapState:null,

        _mapServicesState:null,

        constructor:function(){
            this._widgetsRegistred = {};
        },

        register: function(stateId, methodReference){
            this._widgetsRegistred[stateId] = methodReference;
        },

        getStateFromRegistred: function(stateId){
            if(typeof this._widgetsRegistred[stateId].methodReference == "function")
                return this._widgetsRegistred[stateId](opts);
        },

        getStateFromURL: function(stateId){
            return Utils.gua(stateId);
        },

        getAnchors: function(opts) {
            var toReturn = [];

            for(stateId in this._widgetsRegistred) {
                var val = this._widgetsRegistred[stateId](opts);

                if (val == null) {
                    return null;
                }

                toReturn.push({
                    key: stateId,
                    value: val
                });
            }

            if (opts.extent) {
                toReturn.push({
                    key: 'BBOX',
                    value: opts.extent.xmin + "," + opts.extent.xmax + "," + opts.extent.ymin + "," + opts.extent.ymax
                });
            }

            return toReturn;
        },

        getCompleteUrl: function(opts){
            var currentUrl = window.location.toString();

            for(stateId in this._widgetsRegistred){
                currentUrl = Utils.addAnchor(stateId, this._widgetsRegistred[stateId](opts), currentUrl);
            }

            return currentUrl;
        },

        removeStateFromUrl: function(stateId){
            Utils.rua(stateId);
        },

        cleanUrl: function() {
            this.removeStateFromUrl(StateManager.MAP_SERVICES_ID);
            this.removeStateFromUrl(StateManager.BASEMAP_ID);

            /** inutile pour l'instant... */
            for (var stateId in this._widgetsRegistred){
                this.removeStateFromUrl(stateId);
            }
        }
    });

    var _INSTANCE = null;

    StateManager.getInstance = function() {
        if(_INSTANCE == null){
            _INSTANCE = new StateManager();
        }
        return _INSTANCE;
    };

    StateManager.MAP_SERVICES_ID = 'MAP_SERVICES';
    StateManager.BASEMAP_ID = 'BASEMAPS';
    StateManager.PANIER_ID = 'PANIER';

    StateManager.RETRO_MAP_SERVICES_ID = 'MSS';
    StateManager.RETRO_BASEMAP_ID = 'BMS';

    return StateManager;
});