Hi, I plan to add it via the GeoExt GitHub: - opening an issue on GeoExt - cloning and making changes to LegendPanel.js - review and apply for a pull with GeoExt developers
Hopefully will find time for this next week but is on my agenda. best, Just On 07-06-12 13:10, Thomas Colley wrote: > Hi Just > > I have looked at applying your modifications to GeoExt but have not > managed it. > > Are you planning to add it to the GeoExt GitHub and if not could you > possibly help with the code that needs to be altered in LegendPanel.js? > > Many thanks > > Tom > > -----Original Message----- > From: users-boun...@geoext.org [mailto:users-boun...@geoext.org] On > Behalf Of Just van den Broecke > Sent: 24 May 2012 09:56 > To: users@geoext.org > Subject: Re: [Users] LegendPanel fires GetLegendGraphic requests for > invisible Layers > > Hi, > > I got much further in nailing down the issue: GeoExt will > prefetch/preload Legends, WMS Legends via GetLegendGraphic, for all > Layers where the "hideInLegend" record item is false/undefined, thus > even if the Layer is not visible. > > I have fixed this and made this behaviour configurable via a > "prefetchLegends" property for my class that derives from GeoExt > LegendPanel. Also "hideInLegend" gets set in a Layer record when set for > a Layer. > > See the code at: > http://code.google.com/p/geoext-viewer/source/browse/trunk/heron/lib/wid > gets/LayerLegendPanel.js > (Heron MC is a framework on top of GeoExt). Maybe the fix can be cleaned > some, but for now this works. If found useful I may add this fix/feature > to GeoExt via GitHub pull. > > best, > > --Just > Just van den Broecke > The Netherlands > www.justobjects.nl > > > > On 22-05-12 19:48, Just van den Broecke wrote: >> Hi, >> >> Another Legend issue, on GeoExt 1.1/OpenLayers 2.11: >> >> When I add a LegendPanel to a Container, GetLegendGraphic requests are > >> issued for every WMS Layer, even if these Layers are initially >> invisible. Basically the same issue as described here: >> http://lists.osgeo.org/pipermail/geoprisma-dev/2010-October/000487.htm >> l For maps with many layers this gives quite some init delay. >> >> I would like to show/hide legends dynamically, only for Layers that >> become visible/invisible, possibly as a configurable option >> ("showVisibleLayersOnly") on LegendPanel. I could not find an open >> issue or maybe there is a workaround. Thanks for any suggestions. >> Best, >> >> --Just >> >> Just van den Broecke >> The Netherlands >> www.justobjects.nl >> >> >> >> >> >> _______________________________________________ >> Users mailing list >> Users@geoext.org >> http://www.geoext.org/cgi-bin/mailman/listinfo/users >> > > > > _______________________________________________ > Users mailing list > Users@geoext.org > http://www.geoext.org/cgi-bin/mailman/listinfo/users > > > _______________________________________________ Users mailing list Users@geoext.org http://www.geoext.org/cgi-bin/mailman/listinfo/users
