[Users] Tree Layer question...

[Paul james]

Hi guys! Any news about supporting sublayers?

Thanks



On Mon, Jul 20, 2009 at 4:04 PM, Andreas Hocevar <ahocevar at opengeo.org>wrote:

> Paul james wrote:
> > Hi Andreas...
> >
> > In my case I need :
> >  - Possibility to create a custom treeview (like model in mapfish)
>
> Is already possible (using just an Ext.TreePanel configuration, with
> GeoExt node types).
>
> >  - Supporting sublayer (Layer.Mapserver), like Mapfish does
>
> Will be possible, by managing anything that is expressed as URL param
> with LayerParamsNode and LayerParamsLoader.
>
> >  - Possibility to add a Radio button in some nodes (with Checkbox)
>
> Is already possible, see the tree.html example.
>
> >  - Possibility to takeoff all icons (mapfish stay with a ugly white
> > space when I dont use a icon)
>
> Is already possible, with the following css:
> .x-tree-node-icon {
>    width: 0px;
> }
>
> Regards,
> Andreas.
>
> >
> > Thanks
> >
> > Paul
> >
> > On Fri, Jul 17, 2009 at 6:02 AM, Andreas Hocevar <ahocevar at opengeo.org
>  > <mailto:ahocevar at opengeo.org>> wrote:
> >
> >     Hey Paul,
> >
> >     sorry for the delayed reply. The difference between the layer tree
> >     approach in Mapfish and GeoExt is that the former uses a model on
> >     the tree level for custom trees, and the latter lets you use the a
> >     plain Ext configuration for the tree, because you have a choice of
> >     different node types for representing layers.
> >
> >     The layer tree that you see in
> >
> http://demo.mapfish.org/mapfishsample/1.1/examples/tree/tree_automatic.html
> >     will be possible in GeoExt, with this configuration:
> >
> >     var tree = new Ext.tree.TreePanel({
> >       root: new GeoExt.tree.LayerContainer({
> >           defaults: {
> >               loader: new GeoExt.tree.LayerParamsLoader({
> >                   param: "LAYERS"
> >               })
> >           }
> >       }),
> >       ...
> >     });
> >
> >     This does not work yet, but as Eric said, there is work going on
> >     to make it happen. We are currently switching to loaders, like
> >     Ext.tree.TreeLoader, for populating LayerContainers (ticket #122).
> >     The next steps will be:
> >
> >     * Resurrect the LayerParamsNode (known from a previous patch for
> >     #22). This can do more than just change the layers param on WMS
> >     layers. It can also be used e.g. to use CQL_FILTER and any
> >     arbitrary params that OpenLayers layers take in the params object.
> >
> >     * Create a loader that looks up a params name (e.g. LAYERS) as
> >     argument and will create one subnode for every param it finds. To
> >     make this even smarter, the loader could process additional
> >     information from the LayerStore, e.g. titles for the node texts.
> >
> >     Please give feedback if this makes sense for your use case.
> >
> >     Regards,
> >     Andreas.
> >
> >     james wrote:
> >
> >         Thank guys...
> >         And how about a "custom" treeview ? Like 'model' in mapfish...
> >
> >         Paul
> >
> >         On Mon, Jul 13, 2009 at 12:56 PM, Eric Lemoine
> >         <eric.lemoine at camptocamp.com
> >         <mailto:eric.lemoine at camptocamp.com>
> >         <mailto:eric.lemoine at camptocamp.com
> >         <mailto:eric.lemoine at camptocamp.com>>> wrote:
> >
> >            On Monday, July 13, 2009, Paul james <pauljame at gmail.com
> >         <mailto:pauljame at gmail.com>
> >            <mailto:pauljame at gmail.com <mailto:pauljame at gmail.com>>>
> wrote:
> >            > Hello Guys...
> >            >
> >            > Using Mapfish with Mapserver layer, my treeview can turn
> >         on/off
> >            layers individually...
> >            > Example :
> >
> >
> http://demo.mapfish.org/mapfishsample/1.1/examples/tree/tree_automatic.html
> >            > Example, I can turn parkings and summits, but just 1 layer
> is
> >            generated with both...
> >            >
> >            > Is it posible to do that using only GeoExt?
> >
> >            turning on and off sublayers (i.e. layers in a Layer.WMS
> >         instance)
> >            isn't supported by GeoExt.tree at that time. But some work
> >         has been
> >            started... Maybe Andreas can say more about this work.
> >
> >            Cheers,
> >
> >            >
> >            > Paul
> >            >
> >            >
> >
> >            --
> >            Eric Lemoine
> >
> >            Camptocamp France SAS
> >            Savoie Technolac, BP 352
> >            73377 Le Bourget du Lac, Cedex
> >
> >            Tel : 00 33 4 79 44 44 96
> >            Mail : eric.lemoine at camptocamp.com
> >         <mailto:eric.lemoine at camptocamp.com>
> >            <mailto:eric.lemoine at camptocamp.com
> >         <mailto:eric.lemoine at camptocamp.com>>
> >            http://www.camptocamp.com
> >
> >
> >
> ------------------------------------------------------------------------
> >
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> >
> >
> >
> >
> >     --
> >     Andreas Hocevar
> >     OpenGeo - http://opengeo.org/
> >     Expert service straight from the developers.
> >
> >
>
>
> --
> Andreas Hocevar
> OpenGeo - http://opengeo.org/
> Expert service straight from the developers.
>
>
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