Hi Mehmet,
I haven't used grouped layer containers myself but am planning to look into
using them sometime next week. If I sort something out I'll get back in touch.
Cheers
Adam
On 6/08/2010, at 4:56 AM, Mehmet Sirin wrote:
> Thanks for the answer!
> The steps you describe is what i would do if i had no LayerContainers
> that group several layer. And these LayerContainers are created
> dynamically out of an xml-file. It looks like this:
>
> <nameofGroup>
> <layer1> <PointData / ><layer1 />
> <layer2> <PointData / ><layer2 />
> <layer3> <PointData / ><layer3 />
> </nameOfGroup>
>
> The layers are first added to the OpenLayers.Map object. Then i
> iterate throug all groupNames and create LayerContainer that contains
> all the three layers. Then after the site is loaded and i want to add
> another group pushing a button which creates a single LayerContainer
> and appends it to the TreePanel.
>
> I just found out how to add another layer to the container, but now
> have a problem:
>
> var someLayer=new OpenLayers....
>
> var myNewLayer= new GeoExt.tree.LayerNode({
> layer: someLayer,
> leaf: true,
> expanded: true,
> loader: {
> baseAttrs: {
> radioGroup: "foo",
> uiProvider: "use_radio"
> }
> }
> });
>
> layerTree.getRootNode().findChild( "text","layerContainerName1"
> ).appendChild(myNewLayer);
>
>
>
> The new appended myNewLayer is visible in the TreePanel and inside the
> group-folder but it does not have a radiobutton like all the other
> layers in the folder..
> Anyone know how?
>
>
> And maybe you have an idea how to do all the above described stuff in
> a better way? In short i want:
> -add new grouped layer containers to the tree panel (by clicking a button)
> -add new layer to a certain layer-group in the tree panel (by clicking
> a second button)
>
>
> I would appecriate your help !
> thank you
>
> 2010/8/5 Adam Ratcliffe <[email protected]>
>>
>> Typically the steps would be these:
>>
>> 1) Create an instance of OpenLayers.Map
>> 2) Create a GeoExt.MapPanel instance, passing it a reference to the map you
>> created in step 1)
>> 3) Create an instance of GeoExt.tree.LayerContainer, setting it's
>> "layerStore" config property to the "layers" property of the map panel
>> created in step 2)
>>
>> A GeoExt.data.LayerStore is implicitly created when you add the map to the
>> map panel. The layer store listens to the map's layer events and updates
>> it's state accordingly therefore you can now add new layers to the map and
>> nodes will be created for them by the tree panel which is bound to the layer
>> store.
>>
>> An example can be seen here:
>> http://dev.geoext.org/trunk/geoext/examples/layercontainer.html
>>
>> Cheers
>> Adam
>>
>> On 5/08/2010, at 7:28 PM, Mehmet Sirin wrote:
>>
>>> Hi, maybe you can help me adding a layer to a LayerContainer after i have
>>> added this container to a TreePanel with some initial grouped layers ?
>>>
>>> After the site is loaded I can add a LayerContainer to the layer-list of
>>> the TreePanel via: layerTree.getRootNode().appendChild(myLayerContainer);
>>> But as I said I don't know how to append a single layer to
>>> myLayerContainer..
>>>
>>>
>>> Thank you in advance for helping :)
>>>
>>> bye
>>>
>>> _______________________________________________
>>> Users mailing list
>>> [email protected]
>>> http://www.geoext.org/cgi-bin/mailman/listinfo/users
>>
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