* @class Roo.tree.DefaultSelectionModel
* @extends Roo.util.Observable
* The default single selection for a TreePanel.
+ * @param {Object} cfg Configuration
*/
Roo.tree.DefaultSelectionModel = function(cfg){
this.selNode = null;
* @class Roo.tree.MultiSelectionModel
* @extends Roo.util.Observable
* Multi selection for a TreePanel.
+ * @param {Object} cfg Configuration
*/
Roo.tree.MultiSelectionModel = function(){
this.selNodes = [];