/* 
 * Tine 2.0
 * 
 * @license     http://www.gnu.org/licenses/agpl.html AGPL Version 3
 * @author      Cornelius Weiss <c.weiss@metaways.de>
 * @copyright   Copyright (c) 2007-2008 Metaways Infosystems GmbH (http://www.metaways.de)
 */

Ext.ns('Tine.Calendar');

/**
 * @namespace Tine.Calendar
 * @class Tine.Calendar.EventSelectionModel
 * @extends Ext.tree.MultiSelectionModel
 * Selection model for a calendar views.
 */
Tine.Calendar.EventSelectionModel = Ext.extend(Ext.tree.MultiSelectionModel, {
    init: function(view) {
        view.getTreeEl = function() {
            return view.el;
        };
        view.el.on("keydown", this.onKeyDown, this);
        view.on("click", this.onNodeClick, this);
        
        // since 3.1 it requires a mon fn
        //Tine.Calendar.EventSelectionModel.superclass.init.call(this, view);
    },
    
    /**
     * Gets the number of selected events.
     * @return {Number}
     */
    getCount: function() {
        return this.getSelectedNodes().length;
    },
    
    /**
     * Returns the first selected event.
     * @return {Record}
     */
    getSelected: function() {
        var selection = this.getSelectedEvents();
        return selection.length > 0 ? selection[0] : null;
    },
    
    /**
     * Returns an array of the selected events
     * @return {Array}
     */
    getSelectedEvents: function() {
        return this.getSelectedNodes();
    },
    
//    getSelections: function() {
//        return this.getSelectedEvents();
//    },
    
    /**
     * Select an event.
     * 
     * @param {Tine.Calendar.Model.Event} event The event to select
     * @param {EventObject} e (optional) An event associated with the selection
     * @param {Boolean} keepExisting True to retain existing selections
     * @return {Tine.Calendar.Model.Event} The selected event
     */
    select : function(event, e, keepExisting){
        if (! event || ! event.ui) {
            return event;
        }
        
        Tine.Calendar.EventSelectionModel.superclass.select.apply(this, arguments);
    },

    selectRecords: function(records) {
        this.clearSelections();
        _.each(records, (record) => {
            this.select(record, Ext.EventObject,true);
        });
    },
    
    onKeyDown: Ext.emptyFn
});