Hey Tim, agreed, final question now is at which level of the hierarchy do we implement this? Layer.WMS or Layer.HTTPRequest?
I've opened up a ticket: http://trac.openlayers.org/ticket/2179 Best regards, Bart Tim Schaub wrote: > Hey- > > Eric Lemoine wrote: > >> On Tuesday, July 14, 2009, <bart...@osgis.nl> wrote: >> >>> Hi list, >>> >>> this came up on the geoext list [1], and Eric and I are interested how >>> other OL devs feel about this. >>> >>> Currently, when the LAYERS param is changed for an OpenLayers.Layer.WMS >>> layer, there is no way for an external component (like the GeoExt legend >>> panel), te know that something has changed and that they need to update >>> themselves. >>> >>> So what I was proposing is an API function updateLayersParam or something >>> similar, which will do the updating, and trigger a changelayer event with >>> property e.g. layersparam. >>> >>> Thoughts/comments more than welcome, also if people see other possible >>> solutions. Also on the naming ofcourse. >>> >>> If there is support for this, then I'll gladly create a ticket and a patch >>> with tests. >>> >> Hi Bart >> >> updateLayersParam may be too specific. And actually we already have >> mergeNewParams for updating params so we could just make >> mergeNewParams trigger "changelayer" with "property" set to >> "mergenewparams" or something. With something like that, if one is >> interested in updates for the "layers" param only, one will have to >> manually check that the "layers" param has changed. That sounds >> reasonable to me. >> >> > > I agree. No need for a new method, just notification (and I think > "params" makes a fine value for the "property" property of the event). > > > Tim > > >> Cheers, >> >> >>> Best regards. >>> Bart >>> >>> [1] http://www.geoext.org/pipermail/dev/2009-July/000249.html >>> >>> _______________________________________________ >>> Dev mailing list >>> Dev@openlayers.org >>> http://openlayers.org/mailman/listinfo/dev >>> >>> > > > -- Bart van den Eijnden OSGIS, Open Source GIS bart...@osgis.nl http://www.osgis.nl _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
