Hari! That worked like a charm. THANK YOU! Saved me hours of pain. Hopefully this will help others down the road as well.
-Pat
On 2/27/06, Hari Kolasani <[EMAIL PROTECTED]> wrote:
Here is a sample .mxml/as code that worked for me. Hope this will help.
- Hari
*********************************************************************
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx= "http://www.macromedia.com/2005/mxml" backgroundColor="#FFFFFF" creationComplete="initList()">
<mx:Script>
<![CDATA[
import mx.collections.XMLListCollection ;
var origXML:XML;
public function initList()
{
myTree.rootVisible = false;
//TODO: Get this XML from a data service
var origXMLString:String = "<MyRoot> " +
"<node1 label=\"supernode1\" someProp=\"sdsdf \" isBranch=\"true\"/>" +
"<node2 label=\"supernode2\" someProp=\"sdsdf \" isBranch=\"true\"/>" +
"<node3 label=\"supernode3\" someProp=\"sdsdf \" isBranch=\"true\"/>" +
"</MyRoot>";
origXML = new XML(origXMLString);
myTree.dataProvider = origXML;
}
public function open(event:Object)
{
var selectedNode:Object = event.node;
var myXMLList:XMLList = new XMLList(selectedNode);
//TODO: Get this XML from a data service based on the selected node.
var newXMLString:String = "<childnode1 label=\"childnode1\" someProp=\"sdsdf \" isBranch=\"true\" />" +
"<childnode2 label=\"childnode2\" someProp=\"sdsdf \" isBranch=\"false\" />" +
"<childnode3 label=\"childnode3\" someProp=\"sdsdf \" isBranch=\"true\" />" ;
var myNewXMLList:XMLList = new XMLList(newXMLString);
selectedNode.setChildren(myNewXMLList);
myText1.text = selectedNode.toXMLString();
myText2.text = myTree.dataProvider.source[0];
myTree.dataProvider = origXML;
}
public function close(event:Object)
{
var selectedNode:Object = event.node;
var myXMLList:XMLList = new XMLList(selectedNode);
removeAllDecendants(myXMLList);
myText1.text = selectedNode.toXMLString();
myText2.text = myTree.dataProvider.source[0];
myTree.dataProvider = origXML;
}
public function removeAllDecendants(xmlList:XMLList)
{
var myDescendantXMLList:XMLList = xmlList.descendants();
var myDecendentXMLListCollection:XMLListCollection = new XMLListCollection(myDescendantXMLList);
myDecendentXMLListCollection.removeAll();
}
]]>
</mx:Script>
<!-- Simple example to demonstrate the Tree control -->
<mx:XML id="myxml">
</mx:XML>
<mx:HDividedBox width="100%" height="100%">
<!-- Tree listing of directories (only) -->
<mx:Box>
<mx:Tree id="myTree" width="600" height="600" labelField="@label" defaultLeafIcon="@Embed('images/folder.gif')" nodeOpen="open(event)" nodeClose="close(event)"/>
</mx:Box>
<mx:VBox>
<!-- Text Areas to Display Node XMLs -->
<mx:Box>
<mx:TextArea width="600" height="300" id="myText1" />
</mx:Box>
<mx:Box>
<mx:TextArea width="600" height="300" id="myText2" />
</mx:Box>
</mx:VBox>
</mx:HDividedBox>
</mx:Application>
*********************************************************************
Brendan Meutzner wrote:It doesn't work for 2.0
Brendan
--- In [email protected], "Pat Buchanan" <[EMAIL PROTECTED]> wrote:
>
> Brendan - thank you so much for the additional information. I'm sure it
> will prove helpful. Do you know if this FAST architecture is
compatible with
> Flex 2?
>
> However, if anyone out there happens to run into a self contained, fully
> running simple example (with source) please pass along the URL. If
I can
> finally get one running, I will post the source here.
>
> It would be greatly appreciated.
>
> Oh - and Flex 2 is the target, of course. :)
>
> Thank you!
> -Pat Buchanan
>
>
>
> On 2/24/06, Brendan Meutzner <[EMAIL PROTECTED]> wrote:
> >
> > Pat,
> >
> > Have a look at the object inspector tool in the FAST toolkit...
> >
> > http://www.macromedia.com/devnet/flex/articles/fast_userguide.html
> >
> > Pay attention to:
> >
> > EchoConsole.mxml
> > EchoConsoleconnection.as
> > EchoAppConnection.as
> >
> > You'll have to figure out your remote calls, but this does show the
> > dynamic construction of a tree dataProvider.... might help...
> >
> >
> > Brendan
> >
> >
> >
> > --- In [email protected], "Pat Buchanan" <ajillis@> wrote:
> > >
> > > Hello fellow Flex coders! Greetings from the frozen state of Utah.
> > >
> > > Well, I'm stuck. I see a lot of people asking for examples of how
> > to do a
> > > dynamic tree. Dynamic as in JUST loading the first level of nodes,
> > and when
> > > the user opens a node, it calls back to the server, gets it's
> > children, and
> > > adds them to the tree dynamically.
> > >
> > > (The reason I can't load the tree all at once is because it can be
> > > recursive, so the tree would go forever.)
> > >
> > > Anyway, I have searched the list archive and I see a LOT of
answers with
> > > either a quick explanation or tiny partial code snippet, but
have yet to
> > > find a COMPLETE running example. Every time I find what I'm looking
> > for via
> > > Google, it links back to a certain pay site and I can't justify $250
> > for a
> > > few lines of example code.
> > >
> > > Does anyone know of a fully working dynamic tree example with
source?
> > >
> > > I'm POSITIVE it's right under my nose and I'll feel like a twinkie
> > when it's
> > > pointed out to me. :(
> > >
> > > Thanks ya'all
> > > -Pat Buchanan
> > >
> >
> >
> >
> >
> >
> >
> > --
> > Flexcoders Mailing List
> > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt
> > Search Archives:
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> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
> >
>
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