<html>\r
<head>\r
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> \r
<title>The source code</title>\r
<link href="../resources/prettify/prettify.css" type="text/css" rel="stylesheet" />\r
<script type="text/javascript" src="../resources/prettify/prettify.js"></script>\r
* @cfg {Boolean} draggable True to make this node draggable (defaults to false)\r
* @cfg {Boolean} isTarget False to not allow this node to act as a drop target (defaults to true)\r
* @cfg {Boolean} allowChildren False to not allow this node to have child nodes (defaults to true)\r
- * @cfg {Boolean} editable False to not allow this node to be edited by an (@link Ext.tree.TreeEditor} (defaults to true)\r
+ * @cfg {Boolean} editable False to not allow this node to be edited by an {@link Ext.tree.TreeEditor} (defaults to true)\r
* @constructor\r
* @param {Object/String} attributes The attributes/config for the node or just a string with the text for the node\r
*/\r
Ext.tree.TreeNode = function(attributes){\r
attributes = attributes || {};\r
- if(typeof attributes == "string"){\r
+ if(Ext.isString(attributes)){\r
attributes = {text: attributes};\r
}\r
this.childrenRendered = false;\r
this.allowChildren = attributes.allowChildren !== false && attributes.allowDrop !== false;\r
\r
/**\r
- * Read-only. The text for this node. To change it use setText().\r
+ * Read-only. The text for this node. To change it use <code>{@link #setText}</code>.\r
* @type String\r
*/\r
this.text = attributes.text;\r
* @param {String} text The new text\r
* @param {String} oldText The old text\r
*/\r
- "textchange",\r
+ 'textchange',\r
/**\r
* @event beforeexpand\r
* Fires before this node is expanded, return false to cancel.\r
* @param {Boolean} deep\r
* @param {Boolean} anim\r
*/\r
- "beforeexpand",\r
+ 'beforeexpand',\r
/**\r
* @event beforecollapse\r
* Fires before this node is collapsed, return false to cancel.\r
* @param {Boolean} deep\r
* @param {Boolean} anim\r
*/\r
- "beforecollapse",\r
+ 'beforecollapse',\r
/**\r
* @event expand\r
* Fires when this node is expanded\r
* @param {Node} this This node\r
*/\r
- "expand",\r
+ 'expand',\r
/**\r
* @event disabledchange\r
* Fires when the disabled status of this node changes\r
* @param {Node} this This node\r
* @param {Boolean} disabled\r
*/\r
- "disabledchange",\r
+ 'disabledchange',\r
/**\r
* @event collapse\r
* Fires when this node is collapsed\r
* @param {Node} this This node\r
*/\r
- "collapse",\r
+ 'collapse',\r
/**\r
* @event beforeclick\r
* Fires before click processing. Return false to cancel the default action.\r
* @param {Node} this This node\r
* @param {Ext.EventObject} e The event object\r
*/\r
- "beforeclick",\r
+ 'beforeclick',\r
/**\r
* @event click\r
* Fires when this node is clicked\r
* @param {Node} this This node\r
* @param {Ext.EventObject} e The event object\r
*/\r
- "click",\r
+ 'click',\r
/**\r
* @event checkchange\r
* Fires when a node with a checkbox's checked property changes\r
* @param {Node} this This node\r
* @param {Boolean} checked\r
*/\r
- "checkchange",\r
+ 'checkchange',\r
+ /**\r
+ * @event beforedblclick\r
+ * Fires before double click processing. Return false to cancel the default action.\r
+ * @param {Node} this This node\r
+ * @param {Ext.EventObject} e The event object\r
+ */\r
+ 'beforedblclick',\r
/**\r
* @event dblclick\r
* Fires when this node is double clicked\r
* @param {Node} this This node\r
* @param {Ext.EventObject} e The event object\r
*/\r
- "dblclick",\r
+ 'dblclick',\r
/**\r
* @event contextmenu\r
* Fires when this node is right clicked\r
* @param {Node} this This node\r
* @param {Ext.EventObject} e The event object\r
*/\r
- "contextmenu",\r
+ 'contextmenu',\r
/**\r
* @event beforechildrenrendered\r
* Fires right before the child nodes for this node are rendered\r
* @param {Node} this This node\r
*/\r
- "beforechildrenrendered"\r
+ 'beforechildrenrendered'\r
);\r
\r
var uiClass = this.attributes.uiProvider || this.defaultUI || Ext.tree.TreeNodeUI;\r
this.ui = new uiClass(this);\r
};\r
Ext.extend(Ext.tree.TreeNode, Ext.data.Node, {\r
- preventHScroll: true,\r
+ preventHScroll : true,\r
/**\r
* Returns true if this node is expanded\r
* @return {Boolean}\r
\r
getLoader : function(){\r
var owner;\r
- return this.loader || ((owner = this.getOwnerTree()) && owner.loader ? owner.loader : new Ext.tree.TreeLoader());\r
+ return this.loader || ((owner = this.getOwnerTree()) && owner.loader ? owner.loader : (this.loader = new Ext.tree.TreeLoader()));\r
},\r
\r
// private override\r
},\r
\r
// private override\r
- removeChild : function(node){\r
+ removeChild : function(node, destroy){\r
this.ownerTree.getSelectionModel().unselect(node);\r
Ext.tree.TreeNode.superclass.removeChild.apply(this, arguments);\r
// if it's been rendered remove dom node\r
- if(this.childrenRendered){\r
+ if(node.ui.rendered){\r
node.ui.remove();\r
}\r
if(this.childNodes.length < 1){\r
\r
// private override\r
insertBefore : function(node, refNode){\r
- if(!node.render){ \r
+ if(!node.render){\r
node = this.getLoader().createNode(node);\r
}\r
var newNode = Ext.tree.TreeNode.superclass.insertBefore.call(this, node, refNode);\r
*/\r
setText : function(text){\r
var oldText = this.text;\r
- this.text = text;\r
- this.attributes.text = text;\r
+ this.text = this.attributes.text = text;\r
if(this.rendered){ // event without subscribing\r
this.ui.onTextChange(this, text, oldText);\r
}\r
- this.fireEvent("textchange", this, text, oldText);\r
+ this.fireEvent('textchange', this, text, oldText);\r
},\r
\r
/**\r
* Triggers selection of this node\r
*/\r
select : function(){\r
- this.getOwnerTree().getSelectionModel().select(this);\r
+ var t = this.getOwnerTree();\r
+ if(t){\r
+ t.getSelectionModel().select(this);\r
+ }\r
},\r
\r
/**\r
* Triggers deselection of this node\r
+ * @param {Boolean} silent (optional) True to stop selection change events from firing.\r
*/\r
- unselect : function(){\r
- this.getOwnerTree().getSelectionModel().unselect(this);\r
+ unselect : function(silent){\r
+ var t = this.getOwnerTree();\r
+ if(t){\r
+ t.getSelectionModel().unselect(this, silent);\r
+ }\r
},\r
\r
/**\r
* @return {Boolean}\r
*/\r
isSelected : function(){\r
- return this.getOwnerTree().getSelectionModel().isSelected(this);\r
+ var t = this.getOwnerTree();\r
+ return t ? t.getSelectionModel().isSelected(this) : false;\r
},\r
\r
/**\r
* @param {Function} callback (optional) A callback to be called when\r
* expanding this node completes (does not wait for deep expand to complete).\r
* Called with 1 parameter, this node.\r
- * @param {Object} scope (optional) The scope in which to execute the callback.\r
+ * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the callback is executed. Defaults to this TreeNode.\r
*/\r
expand : function(deep, anim, callback, scope){\r
if(!this.expanded){\r
- if(this.fireEvent("beforeexpand", this, deep, anim) === false){\r
+ if(this.fireEvent('beforeexpand', this, deep, anim) === false){\r
return;\r
}\r
if(!this.childrenRendered){\r
this.expanded = true;\r
if(!this.isHiddenRoot() && (this.getOwnerTree().animate && anim !== false) || anim){\r
this.ui.animExpand(function(){\r
- this.fireEvent("expand", this);\r
+ this.fireEvent('expand', this);\r
this.runCallback(callback, scope || this, [this]);\r
if(deep === true){\r
this.expandChildNodes(true);\r
return;\r
}else{\r
this.ui.expand();\r
- this.fireEvent("expand", this);\r
+ this.fireEvent('expand', this);\r
this.runCallback(callback, scope || this, [this]);\r
}\r
}else{\r
this.expandChildNodes(true);\r
}\r
},\r
- \r
- runCallback: function(cb, scope, args){\r
+\r
+ runCallback : function(cb, scope, args){\r
if(Ext.isFunction(cb)){\r
cb.apply(scope, args);\r
}\r
* @param {Function} callback (optional) A callback to be called when\r
* expanding this node completes (does not wait for deep expand to complete).\r
* Called with 1 parameter, this node.\r
- * @param {Object} scope (optional) The scope in which to execute the callback.\r
+ * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the callback is executed. Defaults to this TreeNode.\r
*/\r
collapse : function(deep, anim, callback, scope){\r
if(this.expanded && !this.isHiddenRoot()){\r
- if(this.fireEvent("beforecollapse", this, deep, anim) === false){\r
+ if(this.fireEvent('beforecollapse', this, deep, anim) === false){\r
return;\r
}\r
this.expanded = false;\r
if((this.getOwnerTree().animate && anim !== false) || anim){\r
this.ui.animCollapse(function(){\r
- this.fireEvent("collapse", this);\r
+ this.fireEvent('collapse', this);\r
this.runCallback(callback, scope || this, [this]);\r
if(deep === true){\r
this.collapseChildNodes(true);\r
return;\r
}else{\r
this.ui.collapse();\r
- this.fireEvent("collapse", this);\r
+ this.fireEvent('collapse', this);\r
this.runCallback(callback, scope || this, [this]);\r
}\r
}else if(!this.expanded){\r
* Ensures all parent nodes are expanded, and if necessary, scrolls\r
* the node into view.\r
* @param {Function} callback (optional) A function to call when the node has been made visible.\r
- * @param {Object} scope (optional) The scope in which to execute the callback.\r
+ * @param {Object} scope (optional) The scope (<code>this</code> reference) in which the callback is executed. Defaults to this TreeNode.\r
*/\r
ensureVisible : function(callback, scope){\r
var tree = this.getOwnerTree();\r
if(this.rendered && this.ui.onDisableChange){ // event without subscribing\r
this.ui.onDisableChange(this, true);\r
}\r
- this.fireEvent("disabledchange", this, true);\r
+ this.fireEvent('disabledchange', this, true);\r
},\r
\r
/**\r
if(this.rendered && this.ui.onDisableChange){ // event without subscribing\r
this.ui.onDisableChange(this, false);\r
}\r
- this.fireEvent("disabledchange", this, false);\r
+ this.fireEvent('disabledchange', this, false);\r
},\r
\r
// private\r
renderChildren : function(suppressEvent){\r
if(suppressEvent !== false){\r
- this.fireEvent("beforechildrenrendered", this);\r
+ this.fireEvent('beforechildrenrendered', this);\r
}\r
var cs = this.childNodes;\r
for(var i = 0, len = cs.length; i < len; i++){\r
},\r
\r
destroy : function(){\r
- if(this.childNodes){\r
- for(var i = 0,l = this.childNodes.length; i < l; i++){\r
- this.childNodes[i].destroy();\r
- }\r
- this.childNodes = null;\r
- }\r
- if(this.ui.destroy){\r
- this.ui.destroy();\r
- }\r
+ this.unselect(true);\r
+ Ext.tree.TreeNode.superclass.destroy.call(this);\r
+ Ext.destroy(this.ui, this.loader);\r
+ this.ui = this.loader = null;\r
},\r
- \r
+\r
// private\r
- onIdChange: function(id){\r
+ onIdChange : function(id){\r
this.ui.onIdChange(id);\r
}\r
});\r
git.ithinksw.org / extjs.git / blobdiff