[Users] How to register different "dblclick" listener on BaseLayerContainer and OverlayLayerContainer

Yingqi Tang anakintang at gmail.com
Tue May 3 19:28:47 CEST 2011


I did the same in example tree.html and it doesn't have any effect either.

On Tue, May 3, 2011 at 10:16 AM, Yingqi Tang <anakintang at gmail.com> wrote:

> Andreas,
>
> Thanks for information, but this approach doesn't seem to do for me. The
> dblclick handler set in baseAttrs is never triggered.
>
> Thanks,
> Yingqi
>
>
> On Tue, May 3, 2011 at 12:10 AM, Andreas Hocevar <ahocevar at opengeo.org>wrote:
>
>> Hi,
>>
>> you can register the listener on every node that the loader creates.
>> To do so, you have to configure a listeners object in the baseAttrs of
>> the loader. See modification of your snippet inline:
>>
>> On Tue, May 3, 2011 at 7:20 AM, Yingqi Tang <anakintang at gmail.com> wrote:
>> > Hi all,
>> >
>> > In my GeoExt web app I have created a TreePanel, in which I have both a
>> > BaseLayerContainer and OverlayLayerContainer as its children. This is
>> the
>> > JSON config:
>> >
>> > layerTreeJsonConfig = [
>> >         {    // baselayer container
>> >             nodeType: "gx_baselayercontainer",
>> >             text: 'basemap'
>> >         },
>> >         {    // overlayer container
>> >             nodeType: "gx_overlaylayercontainer",
>> >             text: 'overlays',
>> >             expanded: false,
>> >             // render the nodes inside this container with a radio
>> button,
>> >             // and assign them the group "overlayers".
>> >             loader: {
>> >                 baseAttrs: {
>> >                     radioGroup: "overlayers",
>> >                     uiProvider: "layernodeui"
>>
>>                        ,listeners: {dblclick: function() {/* do something
>> */}}
>>
>> >                 }
>> >             }
>> >         }
>> >     ];
>>
>> Regards,
>> Andreas.
>>
>> >
>> > I know and I was able to register "dblclick" listener on the TreePanel,
>> now
>> > my question is whether there is a way to register different event
>> handler on
>> > those two different layer container? The reason I am asking is that I am
>> > trying to another custom layer container which inherits from
>> > OverlayLayerContainer, and I would like wrap some event handler inside
>> that
>> > custom layer container instead of adding it on TreePanel for all.
>> >
>> > Thanks.
>> >
>> >
>> >
>> > _______________________________________________
>> > Users mailing list
>> > Users at geoext.org
>> > http://www.geoext.org/cgi-bin/mailman/listinfo/users
>> >
>> >
>>
>>
>>
>> --
>> Andreas Hocevar
>> OpenGeo - http://opengeo.org/
>> Expert service straight from the developers.
>>
>
>
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