Thanks a lot for this information! Julien
Andreas Hocevar wrote: > On 2010-03-04 02:21, Julien-Samuel Lacroix wrote: >> What would be the best way to support the drag-n-drop of the layers in a >> TreePanel to change the layer positions, but between the LayerContainers. >> >> Is it to use LayerNodes instead of LayerContainer and code custom code >> to enable the drag-n-drop support? >> Is it to modify the LayerContainer code to support drag-n-drop between >> containers? (Is it possible?) >> > > You do not need to modify any code, it is already supported by the > LayerNode. > > Here is how to do it with LayerContainers: First of all, don't forget to > set enableDD to true on the tree, and set allowDrag to false for all > nodes that you don't want to drag (especially the container nodes > themselves). What you then have to do is define a "beforemovenode" > handler on the tree. The handler takes care of making sure that you > change whatever you use for layer grouping (e.g. a layer record field > called "group") so the layer can be added to the new container. > > We have done this in the OpenGeo Suite's GeoExplorer. See [1] for the > "beforemovenode" handler and [2] for the filter function that we use to > populate the "background" group. > > Regards, > Andreas. > > [1] > http://projects.opengeo.org/suite/browser/trunk/geoexplorer/src/client/script/app/GeoExplorer.js?rev=654#L458 > > [2] > http://projects.opengeo.org/suite/browser/trunk/geoexplorer/src/client/script/app/GeoExplorer.js?rev=654#L365 > -- Julien-Samuel Lacroix Mapgears http://www.mapgears.com/ _______________________________________________ Users mailing list [email protected] http://www.geoext.org/cgi-bin/mailman/listinfo/users
