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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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dojo.require("dojo.lang.declare"); |
dojo.provide("dojo.widget.TreeWithNode"); |
dojo.declare("dojo.widget.TreeWithNode", null, function () { |
}, {loadStates:{UNCHECKED:"UNCHECKED", LOADING:"LOADING", LOADED:"LOADED"}, state:"UNCHECKED", objectId:"", isContainer:true, lockLevel:0, lock:function () { |
this.lockLevel++; |
}, unlock:function () { |
if (!this.lockLevel) { |
dojo.raise(this.widgetType + " unlock: not locked"); |
} |
this.lockLevel--; |
}, expandLevel:0, loadLevel:0, hasLock:function () { |
return this.lockLevel > 0; |
}, isLocked:function () { |
var node = this; |
while (true) { |
if (node.lockLevel) { |
return true; |
} |
if (!node.parent || node.isTree) { |
break; |
} |
node = node.parent; |
} |
return false; |
}, flushLock:function () { |
this.lockLevel = 0; |
}, actionIsDisabled:function (action) { |
var disabled = false; |
if (dojo.lang.inArray(this.actionsDisabled, action)) { |
disabled = true; |
} |
if (this.isTreeNode) { |
if (!this.tree.allowAddChildToLeaf && action == this.actions.ADDCHILD && !this.isFolder) { |
disabled = true; |
} |
} |
return disabled; |
}, actionIsDisabledNow:function (action) { |
return this.actionIsDisabled(action) || this.isLocked(); |
}, setChildren:function (childrenArray) { |
if (this.isTreeNode && !this.isFolder) { |
this.setFolder(); |
} else { |
if (this.isTreeNode) { |
this.state = this.loadStates.LOADED; |
} |
} |
var hadChildren = this.children.length > 0; |
if (hadChildren && childrenArray) { |
this.destroyChildren(); |
} |
if (childrenArray) { |
this.children = childrenArray; |
} |
var hasChildren = this.children.length > 0; |
if (this.isTreeNode && hasChildren != hadChildren) { |
this.viewSetHasChildren(); |
} |
for (var i = 0; i < this.children.length; i++) { |
var child = this.children[i]; |
if (!(child instanceof dojo.widget.Widget)) { |
child = this.children[i] = this.tree.createNode(child); |
var childWidgetCreated = true; |
} else { |
var childWidgetCreated = false; |
} |
if (!child.parent) { |
child.parent = this; |
if (this.tree !== child.tree) { |
child.updateTree(this.tree); |
} |
child.viewAddLayout(); |
this.containerNode.appendChild(child.domNode); |
var message = {child:child, index:i, parent:this, childWidgetCreated:childWidgetCreated}; |
delete dojo.widget.manager.topWidgets[child.widgetId]; |
dojo.event.topic.publish(this.tree.eventNames.afterAddChild, message); |
} |
if (this.tree.eagerWidgetInstantiation) { |
dojo.lang.forEach(this.children, function (child) { |
child.setChildren(); |
}); |
} |
} |
}, doAddChild:function (child, index) { |
return this.addChild(child, index, true); |
}, addChild:function (child, index, dontPublishEvent) { |
if (dojo.lang.isUndefined(index)) { |
index = this.children.length; |
} |
if (!child.isTreeNode) { |
dojo.raise("You can only add TreeNode widgets to a " + this.widgetType + " widget!"); |
return; |
} |
this.children.splice(index, 0, child); |
child.parent = this; |
child.addedTo(this, index, dontPublishEvent); |
delete dojo.widget.manager.topWidgets[child.widgetId]; |
}, onShow:function () { |
this.animationInProgress = false; |
}, onHide:function () { |
this.animationInProgress = false; |
}}); |
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