so I wish you good luck. :)
Tim
--- In [email protected], Graham Weldon <[EMAIL PROTECTED]>
wrote:
>
> Hi Tim,
>
> I can refresh the XMLListCollection with a "TreeDataCommand". This
> contacts the server and requests a full tree XML, which is then
> converted to a new XMLListCollection. If I use this method, the
tree
> collapses to its initial state, which is undesirable.
>
> addChildAt() is the method I have been trying to use. This
requires that
> I recurse through the XML tree, looking for an element "id"
matching the
> "parentId" from the addition command. This is somewhat cumbersome,
and I
> have as yet not created a working solution for this.
>
> Still poking away at it, and taking suggestions.
>
> Regards,
> Graham Weldon
>
>
> Tim Hoff wrote:
>
> > I would think that if you don't want to replicate the server-side
> > logic, you could just refresh the XMLListCollection data (new
call)
> > after the insertion has occured. The binding would update the
> > view. If you are using the view to allow an insertion point, you
> > would have to use addChildAt().
> >
> > -TH
> >
> > --- In [email protected], Graham Weldon <graham.weldon@>
> > 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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