[Users] How to get unrendered child nodes

[Alexandre Dube]

Hi,

   Yep, except that toggling the parent node also unchecks all its 
children.  I'm beginning to have something working here.  I'll let you 
know when I'm done.

Thanks y'all,

Alexandre


On 10-12-07 11:27 AM, Matt Priour wrote:
> You should be examining the inserted / appended node's attribute 
> object which will give you the info you need before the node is 
> actually rendered.
>
> ex:
>
> layerContainerNode.on('append',function(tree,node){
>        if(node.attributes.layer && 
> !node.attributes.layer.visibility){this.ui.toggleCheck(false)}
>   },layerContainerNode)
>
> Matt Priour
> Kestrel Computer Consutling
> --------------------------------------------------
> From: "Alexandre Dube" <adube at mapgears.com>
> Sent: Tuesday, December 07, 2010 9:49 AM
> To: "Eric Lemoine" <eric.lemoine at camptocamp.com>
> Cc: "GeoEXT Users" <users at geoext.org>
> Subject: Re: [Users] How to get unrendered child nodes
>
>> Hi,
>>
>>   Thanks to both of you.  Your ideas helped a lot.
>>
>>   I'm still facing an other related problem.  When new OpenLayers.Layer
>> objects are added, the according LayerNode is created as well
>> (automatically by the LayerContainer).  Problem is : when I add a layer
>> with "visibility": false, the parent node still keeps is node checked.
>> I tried registering "append" and "insert" events on the layer node
>> container when triggered, the new node isn't rendered yet.  I also tried
>> (from there) to register a new node "render" and "afterrender" to manage
>> the parent checkbox but it didn't work either (the event doesn't seem to
>> trigger at all).
>>
>>   I'm beginning to lack ideas...  Any hints ?
>>
>> Thanks again,
>>
>> Alexandre
>>
>>
>>
>> On 10-12-07 07:26 AM, Eric Lemoine wrote:
>>> On Mon, Dec 6, 2010 at 10:04 PM, Alexandre Dube<adube at mapgears.com> 
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>>    This is more a Ext question, but since I know this is a good 
>>>> resource
>>>> place...
>>>>
>>>>    When a TreeNode hasn't been expanded yet, none if its child 
>>>> nodes are
>>>> created so I don't have a way to know which one if 'checked' to check
>>>> the parent accordingly (if all child nodes are checked).
>>>>
>>>>    How can I access the uncreated child nodes ?
>>>>
>>> Hi Alexandre
>>>
>>> For a project of mine I had to do things like this:
>>>
>>>      setSelectedNode: function() {
>>>          this.root.cascade(function(n) {
>>>              var expanded = n.isExpanded();
>>>              if (!expanded) {
>>>                  n.expand();
>>>              }
>>>              if (n.id == this.selectedNodeId) {
>>>                  this.selectNode(n);
>>>                  n.ensureVisible();
>>>                  this.selectedNode = n;
>>>                  return false;
>>>              } else if (!expanded) {
>>>                  n.collapse();
>>>              }
>>>          }, this);
>>>      },
>>>
>>> I'm not sure this can help you...
>>>
>>> Good luck!
>>>
>>>
>>>
>>
>>
>> -- 
>> Alexandre Dubé
>> Mapgears
>> www.mapgears.com
>>
>> _______________________________________________
>> Users mailing list
>> Users at geoext.org
>> http://www.geoext.org/cgi-bin/mailman/listinfo/users
>>


-- 
Alexandre Dubé
Mapgears
www.mapgears.com