On 5/23/06, Graham Weldon <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I'm messing with Cairngorm 2.0 beta, and Flex 2.0 beta 3. I've got a
> <mx:Tree /> that contains a structured set of data. This data can be
> subjected to an insert at any point. I have correctly setup the events,
> commands and delegate to deal with the insertion, and I process the
> logical insertion on the server side of this application without issues.
> The trouble I am having now is the graphical insertion of the new item
> into the existing model.
>
> Currently the data is XML based. The Tree is directly data bound to an
> XMLListCollection object.
>
> One thought I had was to model the entire tree as ValueObjects, so that
> I could traverse the tree and 'addChild()' where necessary, but this
> would be a complete replication of my Server-Side java code on the
> client side, just for insertion. Additionally, I am not sure how i would
> use a complex set of chained Value Objects as a data source for a Tree
> GUI component.
>
> Any information about this would be really helpful. I appreciate any advice.
>
> I can display the tree correctly, I can use information from the
> selected item to perform operations etc. I am interested in inserting a
> new item at a specified location. For example, a request to insert an
> item will result in XML data describing the insert:
>
> Regards,
> Graham Weldon.
>
>
>
> ========
> XML Tree INSERTION data Sample
> --------
>
> <command action="" success="true">
> <addTreeItem parent="123">
> <element label="NEWitem" id="9999"/>
> </addTreeItem>
> <addTreeItem parent="380">
> <element label="deepItem" id="12"/>
> </addTreeItem>
> </command>
>
> ========
>
>
> ========
> XML Tree Data Sample
> --------
>
> <tree>
> <element label="one" id="123"/>
> <element label="two" id="122"/>
> <element label="eight" id="897">
> <element label="hello" id="113"/>
> <element label="world" id="198">
> <element label="thing" id="380"/>
> </element>
> </element>
> </tree>
>
> ========
>
>
> ========
> ModelLocator
> --------
> ... snip ...
>
> public var myTreeData : XMLListCollection = new XMLListCollection();
>
> ... snip ...
> ========
>
>
> ========
> Application.mxml
> --------
> ... snip ...
>
> <myComponents:TreeComponent
> dataProvider="{ModelLocator.myTreeData}"/>
>
> ... snip ...
> ========
>
>
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