Would anyone have an idea on how to use a variable as the label? It seems that since the node is an object I can't force a string concatenation over it. I'd like to replace...
newNode = <folder label='Sibling'></folder> With.... newNode = <folder label='strSomeVariable'></folder> Thanks, --- In flexcoders@yahoogroups.com, "Jason" <[EMAIL PROTECTED]> wrote: > > Thanks for putting me on the right track to being able to add items to > my Tree that is bound to a XMLListCollection. I had a heck of a time > figuring out how to to an addItemAt to a XMLListCollection ... because > it is not a valid method. Using the ITreeDataDescriptor was the trick. > > I am still not sure how to work this into my UpdateTreeCommand.as when > using Cairngorm. The code below is a modification of the code you > posted. > > [CODE] > <?xml version="1.0" encoding="utf-8"?> > <!-- Tree control example. --> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > creationComplete="init();" > > > <mx:Script> > <![CDATA[ > import mx.controls.List; > import mx.collections.ICollectionView; > import mx.collections.XMLListCollection; > import mx.controls.treeClasses.*; > > [Bindable] > public var selectedNode:Object; > > [Bindable] > public var myXLC:XMLListCollection; > // > public function init():void{ > myXLC = new XMLListCollection(treeData.node); > } > // > public function addMySibling(n:int):void{ > var xm:ITreeDataDescriptor = myTree.dataDescriptor; > > var newNode:XML = new XML(); > newNode = <folder label='Sibling'></folder> > if (n == -1){ > myXLC.addItem(newNode); > } else { > xm.addChildAt(myTree.getParentItem (myTree.selectedItem),newNode,n); > } > > > } > // > public function addMyChild(n:int):void{ > var xm:ITreeDataDescriptor = myTree.dataDescriptor; > > var newNode:XML = new XML(); > newNode = <folder label='Child'></folder> > > if (n == -1){ > xm.addChildAt (myTree.selectedItem,newNode,0); > } else { > xm.addChildAt (myTree.selectedItem,newNode,n); > } > /* > // Code to select the newly created child. I cannot get this to > work =( > var selItem:ICollectionView = xm.getChildren (myTree.selectedItem); > trace("selItem: "+selItem); > trace("selItem.length: "+selItem.length); > myTree.selectedItem = myTree.selectedItem.childNodes[selItem.length]; > */ > } > > // > public function treeChanged(event:Event) : void > { > selectedNode=Tree(event.target).selectedItem; > } > ]]> > </mx:Script> > > <mx:XML id="treeData"> > <node> > <node label="Mail Box"> > <node label="Inbox"> > <node label="Marketing"/> > <node label="Product Management"/> > <node label="Personal"/> > </node> > <node label="Outbox"> > <node label="Professional"/> > <node label="Personal"/> > </node> > <node label="Spam"/> > <node label="Sent"/> > </node> > </node> > </mx:XML> > > <mx:Panel title="Tree Control Example" height="75%" width="75%" > paddingTop="10" paddingLeft="10" paddingRight="10" > paddingBottom="10"> > > <mx:Label text="Select a node in the Tree control."/> > <mx:Button label="Add sibling to selected tree node" > click="addMySibling(myTree.selectedIndex)"/> > <mx:Button label="Add child to selected tree node" > click="addMyChild(myTree.selectedIndex)"/> > <mx:HDividedBox width="100%" height="100%"> > <mx:Tree id="myTree" width="50%" height="100%" > labelField="@label" > showRoot="false" dataProvider="{myXLC}" > change="treeChanged(event)"/> > <mx:TextArea height="100%" width="50%" > text="Selected Item: [EMAIL PROTECTED]"/> > </mx:HDividedBox> > > </mx:Panel> > </mx:Application> > [/CODE] > > > > --- In flexcoders@yahoogroups.com, <stacey@> wrote: > > > > Use the dataDescriptor for the tree- here is an example from some base > > code i posted earlier about selecting a tree node item - but the jist of > > it is : > > > > var xm:ITreeDataDescriptor=myTree.dataDescriptor; > > xm.addChildAt(treeData.node.node[0]," <node label='BitchWhoCodes'/>",0); > > > > FULL CODE FOLLOWS :) > > ,,------------------------------------------- > > > > <?xml version="1.0" encoding="utf-8"?> > > <!-- Tree control example. --> > > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; > > > > > <mx:Script> > > <![CDATA[ > > import mx.controls.List; > > import mx.collections.ICollectionView; > > > > import mx.collections.*; > > > > import mx.controls.treeClasses.*; > > [Bindable] > > public var selectedNode:Object; > > > > [Bindable] > > public var XLC:XML; > > > > > > // Event handler for the Tree control change event. > > public function initApp(){ > > > > > > var xm:ITreeDataDescriptor=myTree.dataDescriptor; > > var xml:XMLListCollection=new XMLListCollection (treeData); > > > > myTree.expandItem(treeData.node[0],true,false); > > myTree.expandItem(treeData.node.node[0],true,false); > > xm.addChildAt(treeData.node.node[0]," <node > > label='BitchWhoCodes'/>",0); > > > > var item=treeData.node.node[0]; > > myTree.selectedItem=item; > > > > > > } > > > > public function treeChanged(event:Event) : void > > { > > selectedNode=Tree(event.target).selectedItem; > > } > > ]]> > > </mx:Script> > > > > <mx:XMLList id="treeData"> > > <node> > > <node label="Mail Box"> > > <node label="Inbox"> > > <node label="Marketing"/> > > <node label="Product Management"/> > > <node label="Personal"/> > > </node> > > <node label="Outbox"> > > <node label="Professional"/> > > <node label="Personal"/> > > </node> > > <node label="Spam"/> > > <node label="Sent"/> > > </node> > > </node> > > </mx:XMLList> > > > > <mx:Panel title="Tree Control Example" height="75%" width="75%" > > paddingTop="10" paddingLeft="10" paddingRight="10" > > paddingBottom="10"> > > > > <mx:Label text="Select a node in the Tree control."/> > > > > <mx:HDividedBox width="100%" height="100%"> > > <mx:Tree id="myTree" width="50%" height="100%" > > labelField="@label" > > showRoot="false" dataProvider="{new > > XMLListCollection(treeData)}" change="treeChanged(event)" > > creationComplete="initApp()"/> > > <mx:TextArea height="100%" width="50%" > > text="Selected Item: [EMAIL PROTECTED]"/> > > </mx:HDividedBox> > > > > </mx:Panel> > > </mx:Application> > > > > > Hi, > > > > > > As you can see below, I solved the problem. > > > > > > private function addChildAtTree ():void > > > { > > > var foo:XMLList = capitalColl.children (); > > > var foo_0 :XMLList = foo[0].children(); > > > var fooColl :XMLListCollection = new XMLListCollection ( foo_0 ); > > > fooColl.addItem ( new XML ( "<capital label='ME' value='Augusta'/>" ) > > > ); > > Tree2.invalidateList(); > > > } > > > > > > But I wanna know if you have any idea other. > > > > > > Let me know it. > > > > > > Thank you, > > > Bryan. > > > ----- Original Message ----- > > > From: Bryan Choi > > > To: flexcoders > > > Sent: Tuesday, May 23, 2006 12:02 PM > > > Subject: [flexcoders] [BETA3] I am still having a problem. > > > > > > > > > var foo:XMLList = capitalColl.children (); > > > foo.appendChild(new XML ( "<capital label='ME' value='Augusta'/>")); > > > > > > ================================================ > > > > > > I tried to execute it. > > > > > > I can see that it show me follow message. > > > > > > ------------------- > > > > > > TypeError: Error #1086: The appendChild method only works on lists > > > containing one item. > > > > > > ------------------- > > > > > > Have you Any idea other? > > > > > > Thank you, > > > Bryan. > > > > > > > > > -- > > > Flexcoders Mailing List > > > FAQ: > http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > > Search Archives: > > > http://www.mail-archive.com/flexcoders%40yahoogroups.com > > > > > > > > > > > > SPONSORED LINKS Web site design development Computer software > > > development Software design and development > > > Macromedia flex Software development best practice > > > > > > > > > > ------------------------------------------------------------------- ----------- > > > YAHOO! GROUPS LINKS > > > > > > a.. Visit your group "flexcoders" on the web. > > > > > > b.. To unsubscribe from this group, send an email to: > > > [EMAIL PROTECTED] > > > > > > c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of > > > Service. > > > > > > > > > > ------------------------------------------------------------------- ----------- > > > > > > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/flexcoders/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! 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