Hi devs,
I've been working on the LayerTreeBuilder ux in the last couple
days. Here's the branch containing the code I have so far, plus an
example :
https://github.com/adube/geoext2/tree/layertreebuilder
It requires more work to support everything its GeoExt 1 counterpart
does. In summary, I have issues with the LayerLegend components and
migrating what I had that managed the checkboxes didn't work.
The rest is trivial and easy to do: tests, code comments, etc. I'll
try to play around with the legend component issue a bit more to see if
I can find what's causing it.
From the repository root directory, the example is located here :
examples/tree/tree-builder.html
Comments and hints about the issues would be really nice.
Regards,
Alexandre
=== More details ===
+++ LayerLegend(s) issues +++
The WmsLegend containers sometime show their content and sometime they
don't. For example, when expanding a container node, even if the layer
isn't checked its legend can be displayed. The opposite occurs
sometimes too. The VectorLegend containers never show their contents.
When spying the dom, I can see the elements there, but they're not
visible in the tree. Both these issues are demonstrated in the example.
+++ No checkboxes for containers +++
The containers currently don't have checkboxes at all. The code I used
to support that in the GeoExt 1 version was borrowed from the MapFish
layertree widget. It managed the state of parent and children
checkboxes when one was checked, as a 'tri state' checkbox tree would
do. It worked well with Ext3, not with Ext4. As of now, I left no trace
of that code. Ext4 had its tree components changed, so it would be
better to redo that part entirely. In my knowledge, trees don't support
'tri state' checkboxes in Ext4 yet, so I'm not sure what would be the
best thing to do.
On 12-07-29 05:33 PM, Phil Scadden wrote:
> On 28/07/2012 6:21 a.m., Alexandre Dubé wrote:
>> I'd like to start a discussion regarding the UX for GeoExt2 as I
>> would like to work on the unofficial GeoExt.ux.LayerTreeBuilder (still
>> in a sandbox, only) for GeoExt2.
> Alexandre - converting your ux on this is the only thing standing
> between us mhttps://github.com/adube/geoext2/tree/layertreebuilderoving to
> geoext2! I am delighted you are working on it. I
> was starting to looking resources on migrating it. Got a list of
> suggestions on improvement too once that is done :-) ! I think this
> extension is just fantastic - the main reason to use Geoext.
>
>
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--
Alexandre Dubé
Mapgears
www.mapgears.com
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