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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>The source code</title>
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>
</head>
<body onload="prettyPrint();">
<pre class="prettyprint lang-js">/*!
* Ext JS Library 3.4.0
* Copyright(c) 2006-2011 Sencha Inc.
* licensing@sencha.com
* http://www.sencha.com/license
*/
Ext.tree.TreeEventModel = function(tree){
this.tree = tree;
this.tree.on('render', this.initEvents, this);
};
Ext.tree.TreeEventModel.prototype = {
initEvents : function(){
var t = this.tree;
if(t.trackMouseOver !== false){
t.mon(t.innerCt, {
scope: this,
mouseover: this.delegateOver,
mouseout: this.delegateOut
});
}
t.mon(t.getTreeEl(), {
scope: this,
click: this.delegateClick,
dblclick: this.delegateDblClick,
contextmenu: this.delegateContextMenu
});
},
getNode : function(e){
var t;
if(t = e.getTarget('.x-tree-node-el', 10)){
var id = Ext.fly(t, '_treeEvents').getAttribute('tree-node-id', 'ext');
if(id){
return this.tree.getNodeById(id);
}
}
return null;
},
getNodeTarget : function(e){
var t = e.getTarget('.x-tree-node-icon', 1);
if(!t){
t = e.getTarget('.x-tree-node-el', 6);
}
return t;
},
delegateOut : function(e, t){
if(!this.beforeEvent(e)){
return;
}
if(e.getTarget('.x-tree-ec-icon', 1)){
var n = this.getNode(e);
this.onIconOut(e, n);
if(n == this.lastEcOver){
delete this.lastEcOver;
}
}
if((t = this.getNodeTarget(e)) && !e.within(t, true)){
this.onNodeOut(e, this.getNode(e));
}
},
delegateOver : function(e, t){
if(!this.beforeEvent(e)){
return;
}
if(Ext.isGecko && !this.trackingDoc){ // prevent hanging in FF
Ext.getBody().on('mouseover', this.trackExit, this);
this.trackingDoc = true;
}
if(this.lastEcOver){ // prevent hung highlight
this.onIconOut(e, this.lastEcOver);
delete this.lastEcOver;
}
if(e.getTarget('.x-tree-ec-icon', 1)){
this.lastEcOver = this.getNode(e);
this.onIconOver(e, this.lastEcOver);
}
if(t = this.getNodeTarget(e)){
this.onNodeOver(e, this.getNode(e));
}
},
trackExit : function(e){
if(this.lastOverNode){
if(this.lastOverNode.ui && !e.within(this.lastOverNode.ui.getEl())){
this.onNodeOut(e, this.lastOverNode);
}
delete this.lastOverNode;
Ext.getBody().un('mouseover', this.trackExit, this);
this.trackingDoc = false;
}
},
delegateClick : function(e, t){
if(this.beforeEvent(e)){
if(e.getTarget('input[type=checkbox]', 1)){
this.onCheckboxClick(e, this.getNode(e));
}else if(e.getTarget('.x-tree-ec-icon', 1)){
this.onIconClick(e, this.getNode(e));
}else if(this.getNodeTarget(e)){
this.onNodeClick(e, this.getNode(e));
}
}else{
this.checkContainerEvent(e, 'click');
}
},
delegateDblClick : function(e, t){
if(this.beforeEvent(e)){
if(this.getNodeTarget(e)){
this.onNodeDblClick(e, this.getNode(e));
}
}else{
this.checkContainerEvent(e, 'dblclick');
}
},
delegateContextMenu : function(e, t){
if(this.beforeEvent(e)){
if(this.getNodeTarget(e)){
this.onNodeContextMenu(e, this.getNode(e));
}
}else{
this.checkContainerEvent(e, 'contextmenu');
}
},
checkContainerEvent: function(e, type){
if(this.disabled){
e.stopEvent();
return false;
}
this.onContainerEvent(e, type);
},
onContainerEvent: function(e, type){
this.tree.fireEvent('container' + type, this.tree, e);
},
onNodeClick : function(e, node){
node.ui.onClick(e);
},
onNodeOver : function(e, node){
this.lastOverNode = node;
node.ui.onOver(e);
},
onNodeOut : function(e, node){
node.ui.onOut(e);
},
onIconOver : function(e, node){
node.ui.addClass('x-tree-ec-over');
},
onIconOut : function(e, node){
node.ui.removeClass('x-tree-ec-over');
},
onIconClick : function(e, node){
node.ui.ecClick(e);
},
onCheckboxClick : function(e, node){
node.ui.onCheckChange(e);
},
onNodeDblClick : function(e, node){
node.ui.onDblClick(e);
},
onNodeContextMenu : function(e, node){
node.ui.onContextMenu(e);
},
beforeEvent : function(e){
var node = this.getNode(e);
if(this.disabled || !node || !node.ui){
e.stopEvent();
return false;
}
return true;
},
disable: function(){
this.disabled = true;
},
enable: function(){
this.disabled = false;
}
};</pre>
</body>
</html>
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