First, Flex is converting the xml into an Object. To change this to keep it xml, set resultFormat="xml"
Second, for hierarchical data providers use "selectedNode", not "selectedItem"."
Third, "var node:Object=event.target.selectedNode.attributes;" is not returning a node, it is probably returning an array of attributes. I don't think that is what you want.
Fourth, use "selectedLabel = node.getProperty("label");"
See the "TreeDataProvider" API in the livedocs:
http://livedocs.macromedia.com/flex/15/asdocs_en/mx/controls/treeclasses/TreeDataProvider.html
Tracy
-----Original Message-----
From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Alin DICU
Sent: Friday, May 12, 2006 8:07 AM
To: [email protected]
Subject: Re: [flexcoders] problems accessing a tree with xml from a HTTPService
---------------------------the httpservice
code---------------------------------------
<mx:HTTPService
id="treeHttpSrv"
concurrency="multiple"
method="GET"
url="" href="http://localhost:8084/FlexXMLServer/XMLTreeElementsServlet">http://localhost:8084/FlexXMLServer/XMLTreeElementsServlet"
showBusyCursor="true"
fault="alert(event.fault.faultstring);"/>
---------------------------- the UI tree code
-----------------------------------------
<mx:Tree id="albumsTree" dataProvider="{treeHttpSrv.result}"
width="100%" change="showTreeSelection(event)" height="100%"/>
---------------------------- the received XML
---------------------------------------
<node label="Albums" data="" type="root">
<node label="BMW" data="" type="album">
<node label="BMW 325ci 1994"
data="" href="http://localhost:8080/FlexXMLServer/Photos/BMW/BMW">http://localhost:8080/FlexXMLServer/Photos/BMW/BMW 325ci
1994.jpeg" type="photo"/>
<node label="BMW E65 Schnitzer"
data="" href="http://localhost:8080/FlexXMLServer/Photos/BMW/BMW">http://localhost:8080/FlexXMLServer/Photos/BMW/BMW E65
Schnitzer.jpeg" type="photo"/>
</node>
<node label="Mercedes" data="" type="album">
<node label="Mercedes ML back"
data="" href="http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes">http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes ML
back.jpg" type="photo"/>
<node label="Mercedes ML front"
data="" href="http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes">http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes ML
front.jpg" type="photo"/>
</node>
</node>
----------------------------- the accesing attributes method
---------------------------
function showTreeSelection(event)
{
var node:Object=event.target.selectedItem.attributes;
selectedLabel = node.label;
selectedData = node.data;
nodeType = node.type;
//alert(selectedLabel + " " + selectedData + " " +
nodeType);
switch(nodeType)
{
case root:
var params = new Object();
params.param1 = initListe;
rechTreeHttpSrv.send(params);
break;
case album:
var params = new Object();
params.param1 = rechercherSelonAlbum;
params.param2 = selectedLabel;
rechTreeHttpSrv.send(params);
break;
case photo:
showPopUp(selectedLabel);
break;
default:
;
}
}
Right now, I'm using the xecat xml, only that it is statically put into
the .mxml page.
Thanks,
Tracy Spratt a écrit :
> I do this regularly.
>
> How are you attempting to access the attributes?
>
> Tracy
>
> -----Original Message-----
> From: [email protected] [mailto:[EMAIL PROTECTED] On
> Behalf Of Alin DICU
> Sent: Thursday, May 11, 2006 10:03 AM
> To: [email protected]
> Subject: [flexcoders] problems accessing a tree with xml from a
> HTTPService
>
> Hi,
>
> I use the following xml to create a tree that is displayed:
>
> <node label="Albums">
> <node label="BMW">
> <node label="BMW 325ci 1994"
> data="" href="http://localhost:8080/FlexXMLServer/Photos/BMW/BMW">http://localhost:8080/FlexXMLServer/Photos/BMW/BMW 325ci
> 1994.jpeg"/>
> <node label="BMW E65 Schnitzer"
> data="" href="http://localhost:8080/FlexXMLServer/Photos/BMW/BMW">http://localhost:8080/FlexXMLServer/Photos/BMW/BMW E65
> Schnitzer.jpeg"/>
> </node>
> <node label="Mercedes">
> <node label="Mercedes ML back"
> data="" href="http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes">http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes ML
> back.jpg"/>
> <node label="Mercedes ML front"
> data="" href="http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes">http://localhost:8080/FlexXMLServer/Photos/Mercedes/Mercedes ML
> front.jpg"/>
> </node>
> </node>
>
> The problem comes when I get this data from HTTPService or from a file.
> When I do this I cannot access the "label" and "data" attributes
> of the selected node.
>
> Has anyone dealed with this problem?
>
> Thanks,
>
>
>
>
>
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