+++ /dev/null
-<html>
-<head>
- <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>
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- <pre class="prettyprint lang-js">/*!
- * Ext JS Library 3.0.3
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
-<div id="cls-Ext.tree.TreeNode"></div>/**\r
- * @class Ext.tree.TreeNode\r
- * @extends Ext.data.Node\r
- * @cfg {String} text The text for this node\r
- * @cfg {Boolean} expanded true to start the node expanded\r
- * @cfg {Boolean} allowDrag False to make this node undraggable if {@link #draggable} = true (defaults to true)\r
- * @cfg {Boolean} allowDrop False if this node cannot have child nodes dropped on it (defaults to true)\r
- * @cfg {Boolean} disabled true to start the node disabled\r
- * @cfg {String} icon The path to an icon for the node. The preferred way to do this\r
- * is to use the cls or iconCls attributes and add the icon via a CSS background image.\r
- * @cfg {String} cls A css class to be added to the node\r
- * @cfg {String} iconCls A css class to be added to the nodes icon element for applying css background images\r
- * @cfg {String} href URL of the link used for the node (defaults to #)\r
- * @cfg {String} hrefTarget target frame for the link\r
- * @cfg {Boolean} hidden True to render hidden. (Defaults to false).\r
- * @cfg {String} qtip An Ext QuickTip for the node\r
- * @cfg {Boolean} expandable If set to true, the node will always show a plus/minus icon, even when empty\r
- * @cfg {String} qtipCfg An Ext QuickTip config for the node (used instead of qtip)\r
- * @cfg {Boolean} singleClickExpand True for single click expand on this node\r
- * @cfg {Function} uiProvider A UI <b>class</b> to use for this node (defaults to Ext.tree.TreeNodeUI)\r
- * @cfg {Boolean} checked True to render a checked checkbox for this node, false to render an unchecked checkbox\r
- * (defaults to undefined with no checkbox rendered)\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
- * @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
- attributes = {text: attributes};\r
- }\r
- this.childrenRendered = false;\r
- this.rendered = false;\r
- Ext.tree.TreeNode.superclass.constructor.call(this, attributes);\r
- this.expanded = attributes.expanded === true;\r
- this.isTarget = attributes.isTarget !== false;\r
- this.draggable = attributes.draggable !== false && attributes.allowDrag !== false;\r
- this.allowChildren = attributes.allowChildren !== false && attributes.allowDrop !== false;\r
-\r
- /**\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
- /**\r
- * True if this node is disabled.\r
- * @type Boolean\r
- */\r
- this.disabled = attributes.disabled === true;\r
- /**\r
- * True if this node is hidden.\r
- * @type Boolean\r
- */\r
- this.hidden = attributes.hidden === true;\r
-\r
- this.addEvents(\r
- /**\r
- * @event textchange\r
- * Fires when the text for this node is changed\r
- * @param {Node} this This node\r
- * @param {String} text The new text\r
- * @param {String} oldText The old text\r
- */\r
- 'textchange',\r
- /**\r
- * @event beforeexpand\r
- * Fires before this node is expanded, return false to cancel.\r
- * @param {Node} this This node\r
- * @param {Boolean} deep\r
- * @param {Boolean} anim\r
- */\r
- 'beforeexpand',\r
- /**\r
- * @event beforecollapse\r
- * Fires before this node is collapsed, return false to cancel.\r
- * @param {Node} this This node\r
- * @param {Boolean} deep\r
- * @param {Boolean} anim\r
- */\r
- 'beforecollapse',\r
- /**\r
- * @event expand\r
- * Fires when this node is expanded\r
- * @param {Node} this This node\r
- */\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
- /**\r
- * @event collapse\r
- * Fires when this node is collapsed\r
- * @param {Node} this This node\r
- */\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
- /**\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
- /**\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
- /**\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
- /**\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
- /**\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
- );\r
-\r
- var uiClass = this.attributes.uiProvider || this.defaultUI || Ext.tree.TreeNodeUI;\r
-\r
- /**\r
- * Read-only. The UI for this node\r
- * @type TreeNodeUI\r
- */\r
- this.ui = new uiClass(this);\r
-};\r
-Ext.extend(Ext.tree.TreeNode, Ext.data.Node, {\r
- preventHScroll : true,\r
- /**\r
- * Returns true if this node is expanded\r
- * @return {Boolean}\r
- */\r
- isExpanded : function(){\r
- return this.expanded;\r
- },\r
-\r
-/**\r
- * Returns the UI object for this node.\r
- * @return {TreeNodeUI} The object which is providing the user interface for this tree\r
- * node. Unless otherwise specified in the {@link #uiProvider}, this will be an instance\r
- * of {@link Ext.tree.TreeNodeUI}\r
- */\r
- getUI : function(){\r
- return this.ui;\r
- },\r
-\r
- getLoader : function(){\r
- var owner;\r
- return this.loader || ((owner = this.getOwnerTree()) && owner.loader ? owner.loader : new Ext.tree.TreeLoader());\r
- },\r
-\r
- // private override\r
- setFirstChild : function(node){\r
- var of = this.firstChild;\r
- Ext.tree.TreeNode.superclass.setFirstChild.call(this, node);\r
- if(this.childrenRendered && of && node != of){\r
- of.renderIndent(true, true);\r
- }\r
- if(this.rendered){\r
- this.renderIndent(true, true);\r
- }\r
- },\r
-\r
- // private override\r
- setLastChild : function(node){\r
- var ol = this.lastChild;\r
- Ext.tree.TreeNode.superclass.setLastChild.call(this, node);\r
- if(this.childrenRendered && ol && node != ol){\r
- ol.renderIndent(true, true);\r
- }\r
- if(this.rendered){\r
- this.renderIndent(true, true);\r
- }\r
- },\r
-\r
- // these methods are overridden to provide lazy rendering support\r
- // private override\r
- appendChild : function(n){\r
- if(!n.render && !Ext.isArray(n)){\r
- n = this.getLoader().createNode(n);\r
- }\r
- var node = Ext.tree.TreeNode.superclass.appendChild.call(this, n);\r
- if(node && this.childrenRendered){\r
- node.render();\r
- }\r
- this.ui.updateExpandIcon();\r
- return node;\r
- },\r
-\r
- // private override\r
- removeChild : function(node){\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
- node.ui.remove();\r
- }\r
- if(this.childNodes.length < 1){\r
- this.collapse(false, false);\r
- }else{\r
- this.ui.updateExpandIcon();\r
- }\r
- if(!this.firstChild && !this.isHiddenRoot()) {\r
- this.childrenRendered = false;\r
- }\r
- return node;\r
- },\r
-\r
- // private override\r
- insertBefore : function(node, refNode){\r
- if(!node.render){\r
- node = this.getLoader().createNode(node);\r
- }\r
- var newNode = Ext.tree.TreeNode.superclass.insertBefore.call(this, node, refNode);\r
- if(newNode && refNode && this.childrenRendered){\r
- node.render();\r
- }\r
- this.ui.updateExpandIcon();\r
- return newNode;\r
- },\r
-\r
- /**\r
- * Sets the text for this node\r
- * @param {String} text\r
- */\r
- setText : function(text){\r
- var oldText = this.text;\r
- this.text = text;\r
- 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
- },\r
-\r
- /**\r
- * Triggers selection of this node\r
- */\r
- select : function(){\r
- this.getOwnerTree().getSelectionModel().select(this);\r
- },\r
-\r
- /**\r
- * Triggers deselection of this node\r
- */\r
- unselect : function(){\r
- this.getOwnerTree().getSelectionModel().unselect(this);\r
- },\r
-\r
- /**\r
- * Returns true if this node is selected\r
- * @return {Boolean}\r
- */\r
- isSelected : function(){\r
- return this.getOwnerTree().getSelectionModel().isSelected(this);\r
- },\r
-\r
- /**\r
- * Expand this node.\r
- * @param {Boolean} deep (optional) True to expand all children as well\r
- * @param {Boolean} anim (optional) false to cancel the default animation\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
- */\r
- expand : function(deep, anim, callback, scope){\r
- if(!this.expanded){\r
- if(this.fireEvent('beforeexpand', this, deep, anim) === false){\r
- return;\r
- }\r
- if(!this.childrenRendered){\r
- this.renderChildren();\r
- }\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.runCallback(callback, scope || this, [this]);\r
- if(deep === true){\r
- this.expandChildNodes(true);\r
- }\r
- }.createDelegate(this));\r
- return;\r
- }else{\r
- this.ui.expand();\r
- this.fireEvent('expand', this);\r
- this.runCallback(callback, scope || this, [this]);\r
- }\r
- }else{\r
- this.runCallback(callback, scope || this, [this]);\r
- }\r
- if(deep === true){\r
- this.expandChildNodes(true);\r
- }\r
- },\r
-\r
- runCallback : function(cb, scope, args){\r
- if(Ext.isFunction(cb)){\r
- cb.apply(scope, args);\r
- }\r
- },\r
-\r
- isHiddenRoot : function(){\r
- return this.isRoot && !this.getOwnerTree().rootVisible;\r
- },\r
-\r
- /**\r
- * Collapse this node.\r
- * @param {Boolean} deep (optional) True to collapse all children as well\r
- * @param {Boolean} anim (optional) false to cancel the default animation\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
- */\r
- collapse : function(deep, anim, callback, scope){\r
- if(this.expanded && !this.isHiddenRoot()){\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.runCallback(callback, scope || this, [this]);\r
- if(deep === true){\r
- this.collapseChildNodes(true);\r
- }\r
- }.createDelegate(this));\r
- return;\r
- }else{\r
- this.ui.collapse();\r
- this.fireEvent('collapse', this);\r
- this.runCallback(callback, scope || this, [this]);\r
- }\r
- }else if(!this.expanded){\r
- this.runCallback(callback, scope || this, [this]);\r
- }\r
- if(deep === true){\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++) {\r
- cs[i].collapse(true, false);\r
- }\r
- }\r
- },\r
-\r
- // private\r
- delayedExpand : function(delay){\r
- if(!this.expandProcId){\r
- this.expandProcId = this.expand.defer(delay, this);\r
- }\r
- },\r
-\r
- // private\r
- cancelExpand : function(){\r
- if(this.expandProcId){\r
- clearTimeout(this.expandProcId);\r
- }\r
- this.expandProcId = false;\r
- },\r
-\r
- /**\r
- * Toggles expanded/collapsed state of the node\r
- */\r
- toggle : function(){\r
- if(this.expanded){\r
- this.collapse();\r
- }else{\r
- this.expand();\r
- }\r
- },\r
-\r
- /**\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
- */\r
- ensureVisible : function(callback, scope){\r
- var tree = this.getOwnerTree();\r
- tree.expandPath(this.parentNode ? this.parentNode.getPath() : this.getPath(), false, function(){\r
- var node = tree.getNodeById(this.id); // Somehow if we don't do this, we lose changes that happened to node in the meantime\r
- tree.getTreeEl().scrollChildIntoView(node.ui.anchor);\r
- this.runCallback(callback, scope || this, [this]);\r
- }.createDelegate(this));\r
- },\r
-\r
- /**\r
- * Expand all child nodes\r
- * @param {Boolean} deep (optional) true if the child nodes should also expand their child nodes\r
- */\r
- expandChildNodes : function(deep){\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++) {\r
- cs[i].expand(deep);\r
- }\r
- },\r
-\r
- /**\r
- * Collapse all child nodes\r
- * @param {Boolean} deep (optional) true if the child nodes should also collapse their child nodes\r
- */\r
- collapseChildNodes : function(deep){\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++) {\r
- cs[i].collapse(deep);\r
- }\r
- },\r
-\r
- /**\r
- * Disables this node\r
- */\r
- disable : function(){\r
- this.disabled = true;\r
- this.unselect();\r
- if(this.rendered && this.ui.onDisableChange){ // event without subscribing\r
- this.ui.onDisableChange(this, true);\r
- }\r
- this.fireEvent('disabledchange', this, true);\r
- },\r
-\r
- /**\r
- * Enables this node\r
- */\r
- enable : function(){\r
- this.disabled = false;\r
- if(this.rendered && this.ui.onDisableChange){ // event without subscribing\r
- this.ui.onDisableChange(this, false);\r
- }\r
- this.fireEvent('disabledchange', this, false);\r
- },\r
-\r
- // private\r
- renderChildren : function(suppressEvent){\r
- if(suppressEvent !== false){\r
- this.fireEvent('beforechildrenrendered', this);\r
- }\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++){\r
- cs[i].render(true);\r
- }\r
- this.childrenRendered = true;\r
- },\r
-\r
- // private\r
- sort : function(fn, scope){\r
- Ext.tree.TreeNode.superclass.sort.apply(this, arguments);\r
- if(this.childrenRendered){\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++){\r
- cs[i].render(true);\r
- }\r
- }\r
- },\r
-\r
- // private\r
- render : function(bulkRender){\r
- this.ui.render(bulkRender);\r
- if(!this.rendered){\r
- // make sure it is registered\r
- this.getOwnerTree().registerNode(this);\r
- this.rendered = true;\r
- if(this.expanded){\r
- this.expanded = false;\r
- this.expand(false, false);\r
- }\r
- }\r
- },\r
-\r
- // private\r
- renderIndent : function(deep, refresh){\r
- if(refresh){\r
- this.ui.childIndent = null;\r
- }\r
- this.ui.renderIndent();\r
- if(deep === true && this.childrenRendered){\r
- var cs = this.childNodes;\r
- for(var i = 0, len = cs.length; i < len; i++){\r
- cs[i].renderIndent(true, refresh);\r
- }\r
- }\r
- },\r
-\r
- beginUpdate : function(){\r
- this.childrenRendered = false;\r
- },\r
-\r
- endUpdate : function(){\r
- if(this.expanded && this.rendered){\r
- this.renderChildren();\r
- }\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
- },\r
-\r
- // private\r
- onIdChange : function(id){\r
- this.ui.onIdChange(id);\r
- }\r
-});\r
-\r
-Ext.tree.TreePanel.nodeTypes.node = Ext.tree.TreeNode;</pre>
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-</html>
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git.ithinksw.org / extjs.git / blobdiff