My apologies, just realized it is a patch file not a .js, but I still need to know where exactly it goes...
On Thu, Oct 28, 2010 at 11:15 AM, IT Intern <[email protected]> wrote: > That's quite awesome! Thanks Matt. So now where do I apply this patch :p > > Do I just copy the file into > lib/GeoExt/widgets/treeand override the old LayerNode.js no worries??? > > cheers, > > elshae > > > > On Thu, Oct 28, 2010 at 10:46 AM, Matt Priour <[email protected] > > wrote: > >> OpenLayers already has a Map moveend event handler that will check to >> see if the layer is still in range (maxExtent, minResolution, maxResolution, >> minScale & maxScale are all tested) >> You should use one of these configuration options (maxResolution, >> minResolution are easiest) on the layers and let OL do the turning on/off >> layers for you. >> >> To have your GeoExt LayerNodes respond by enabling/disabling when layers >> are in/out of range, you can apply the autoDisable patch [1] attached to >> Ticket #235 (http://trac.geoext.org/attachment/ticket/235) >> >> [1] >> http://trac.geoext.org/attachment/ticket/235/autoDisableLayerNode.patch >> >> Matt Priour >> Kestrel Computer Consulting >> >> >> >> *From:* IT Intern <[email protected]> >> *Sent:* Thursday, October 28, 2010 9:08 AM >> *To:* [email protected] >> *Subject:* [Users] Disable Nodes on Zoom Event >> >> Hello GeoExt Users, >> >> I have a zoom event that when a user zoom in and out of my map certain >> layers I setVisibility(false). Now what I would like to do is have another >> event inside that event which disables the nodes of those layers when their >> setVisibilty(false) and enables them back when setVisibility(true). I have >> some code and it kinda works, but the problem is the checkchange event does >> not only work when the zoomend event is done, but also anytime a user clicks >> the layer nodes. I played a little with stopPropagation and that didn't do >> anything for me. Actually I think my zoomend event could be much better >> coded and I would really love some suggestions. I appreciate everyone >> taking their time to help me :) >> >> elshae >> >> Code: >> >> map.events.on({ "zoomend": function (e) { >> >> layerTree.on("checkchange", function (node, checked) { >> alert(node.text + "Inside event"); >> if(checked == false) >> node.disable(); >> else if(checked == true) >> node.enable(); >> >> }); >> >> if (this.getZoom() > 7) { >> tib_villages.setVisibility(true); >> tib_lakes.setVisibility(true); >> tib_townships.setVisibility(true); >> >> >> } >> else { >> >> tib_villages.setVisibility(false); >> tib_lakes.setVisibility(false); >> tib_townships.setVisibility(false); >> >> //alert(layerTree.tib_villages.node.text); >> >> if (this.getZoom() > 5) { >> infrastructure.setVisibility(true); >> geography.setVisibility(true); >> geography2.setVisibility(true); >> tib_countys.setVisibility(true); >> >> } >> else{ >> infrastructure.setVisibility(false); >> geography.setVisibility(false); >> geography2.setVisibility(false); >> tib_countys.setVisibility(false); >> } >> }//end else >> >> }//end function (e) >> >> }); //end map.events.on >> >> ------------------------------ >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://www.geoext.org/cgi-bin/mailman/listinfo/users >> > >
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