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 >> > -- Tim Schaub OpenGeo - http://opengeo.org Expert service straight from the developers. _______________________________________________ Dev mailing list Dev@openlayers.org http://openlayers.org/mailman/listinfo/dev
