/**
 * A Column definition class which renders a value by processing a {@link Ext.data.Model Model}'s
 * {@link Ext.data.Model#persistenceProperty data} using a {@link #tpl configured}
 * {@link Ext.XTemplate XTemplate}.
 * 
 *     @example
 *     Ext.create('Ext.data.Store', {
 *         storeId:'employeeStore',
 *         fields:['firstname', 'lastname', 'senority', 'department'],
 *         groupField: 'department',
 *         data:[
 *             { firstname: "Michael", lastname: "Scott",   senority: 7, department: "Manangement" },
 *             { firstname: "Dwight",  lastname: "Schrute", senority: 2, department: "Sales" },
 *             { firstname: "Jim",     lastname: "Halpert", senority: 3, department: "Sales" },
 *             { firstname: "Kevin",   lastname: "Malone",  senority: 4, department: "Accounting" },
 *             { firstname: "Angela",  lastname: "Martin",  senority: 5, department: "Accounting" }                        
 *         ]
 *     });
 *     
 *     Ext.create('Ext.grid.Panel', {
 *         title: 'Column Template Demo',
 *         store: Ext.data.StoreManager.lookup('employeeStore'),
 *         columns: [
 *             { text: 'Full Name',       xtype: 'templatecolumn', tpl: '{firstname} {lastname}', flex:1 },
 *             { text: 'Deparment (Yrs)', xtype: 'templatecolumn', tpl: '{department} ({senority})' }
 *         ],
 *         height: 200,
 *         width: 300,
 *         renderTo: Ext.getBody()
 *     });
 */
Ext.define('Ext.grid.column.Template', {
    extend: 'Ext.grid.column.Column',
    alias: ['widget.templatecolumn'],
    requires: ['Ext.XTemplate'],
    alternateClassName: 'Ext.grid.TemplateColumn',

    /**
     * @cfg {String/Ext.XTemplate} tpl
     * An {@link Ext.XTemplate XTemplate}, or an XTemplate *definition string* to use to process a
     * {@link Ext.data.Model Model}'s {@link Ext.data.Model#persistenceProperty data} to produce a
     * column's rendered value.
     */

    constructor: function(cfg){
        var me = this,
            tpl;
            
        me.callParent(arguments);
        tpl = me.tpl = (!Ext.isPrimitive(me.tpl) && me.tpl.compile) ? me.tpl : Ext.create('Ext.XTemplate', me.tpl);

        me.renderer = function(value, p, record) {
            var data = Ext.apply({}, record.data, record.getAssociatedData());
            return tpl.apply(data);
        };
    }
});