Ext.tree.DefaultSelectionModel=function(a){this.selNode=null;this.addEvents("selectionchange","beforeselect");Ext.apply(this,a);Ext.tree.DefaultSelectionModel.superclass.constructor.call(this)};Ext.extend(Ext.tree.DefaultSelectionModel,Ext.util.Observable,{init:function(a){this.tree=a;a.getTreeEl().on("keydown",this.onKeyDown,this);a.on("click",this.onNodeClick,this)},onNodeClick:function(a,b){this.select(a)},select:function(b){var a=this.selNode;if(a!=b&&this.fireEvent("beforeselect",this,b,a)!==false){if(a){a.ui.onSelectedChange(false)}this.selNode=b;b.ui.onSelectedChange(true);this.fireEvent("selectionchange",this,b,a)}return b},unselect:function(a){if(this.selNode==a){this.clearSelections()}},clearSelections:function(){var a=this.selNode;if(a){a.ui.onSelectedChange(false);this.selNode=null;this.fireEvent("selectionchange",this,null)}return a},getSelectedNode:function(){return this.selNode},isSelected:function(a){return this.selNode==a},selectPrevious:function(){var a=this.selNode||this.lastSelNode;if(!a){return null}var c=a.previousSibling;if(c){if(!c.isExpanded()||c.childNodes.length<1){return this.select(c)}else{var b=c.lastChild;while(b&&b.isExpanded()&&b.childNodes.length>0){b=b.lastChild}return this.select(b)}}else{if(a.parentNode&&(this.tree.rootVisible||!a.parentNode.isRoot)){return this.select(a.parentNode)}}return null},selectNext:function(){var b=this.selNode||this.lastSelNode;if(!b){return null}if(b.firstChild&&b.isExpanded()){return this.select(b.firstChild)}else{if(b.nextSibling){return this.select(b.nextSibling)}else{if(b.parentNode){var a=null;b.parentNode.bubble(function(){if(this.nextSibling){a=this.getOwnerTree().selModel.select(this.nextSibling);return false}});return a}}}return null},onKeyDown:function(c){var b=this.selNode||this.lastSelNode;var d=this;if(!b){return}var a=c.getKey();switch(a){case c.DOWN:c.stopEvent();this.selectNext();break;case c.UP:c.stopEvent();this.selectPrevious();break;case c.RIGHT:c.preventDefault();if(b.hasChildNodes()){if(!b.isExpanded()){b.expand()}else{if(b.firstChild){this.select(b.firstChild,c)}}}break;case c.LEFT:c.preventDefault();if(b.hasChildNodes()&&b.isExpanded()){b.collapse()}else{if(b.parentNode&&(this.tree.rootVisible||b.parentNode!=this.tree.getRootNode())){this.select(b.parentNode,c)}}break}}});Ext.tree.MultiSelectionModel=function(a){this.selNodes=[];this.selMap={};this.addEvents("selectionchange");Ext.apply(this,a);Ext.tree.MultiSelectionModel.superclass.constructor.call(this)};Ext.extend(Ext.tree.MultiSelectionModel,Ext.util.Observable,{init:function(a){this.tree=a;a.getTreeEl().on("keydown",this.onKeyDown,this);a.on("click",this.onNodeClick,this)},onNodeClick:function(a,b){this.select(a,b,b.ctrlKey)},select:function(a,c,b){if(b!==true){this.clearSelections(true)}if(this.isSelected(a)){this.lastSelNode=a;return a}this.selNodes.push(a);this.selMap[a.id]=a;this.lastSelNode=a;a.ui.onSelectedChange(true);this.fireEvent("selectionchange",this,this.selNodes);return a},unselect:function(b){if(this.selMap[b.id]){b.ui.onSelectedChange(false);var c=this.selNodes;var a=c.indexOf(b);if(a!=-1){this.selNodes.splice(a,1)}delete this.selMap[b.id];this.fireEvent("selectionchange",this,this.selNodes)}},clearSelections:function(b){var d=this.selNodes;if(d.length>0){for(var c=0,a=d.length;c<a;c++){d[c].ui.onSelectedChange(false)}this.selNodes=[];this.selMap={};if(b!==true){this.fireEvent("selectionchange",this,this.selNodes)}}},isSelected:function(a){return this.selMap[a.id]?true:false},getSelectedNodes:function(){return this.selNodes},onKeyDown:Ext.tree.DefaultSelectionModel.prototype.onKeyDown,selectNext:Ext.tree.DefaultSelectionModel.prototype.selectNext,selectPrevious:Ext.tree.DefaultSelectionModel.prototype.selectPrevious});