[Users] deactivate tickbox next to layer in tree when zoomed out over certain zoom level

[Andreas Hocevar]

Hi,

try one of the patches from https://trac.geoext.org/ticket/235, or a snippet similar to this one: https://trac.geoext.org/ticket/285#comment:7 

Andreas.

On Nov 15, 2011, at 13:35 , Robert Buckley wrote:

> Hi,
> 
> I would like to disable the tickbox next to a layer when the user zooms out greater than zoom level 12. This will tell the user that the layer is deactivated.
> At the moment I have the following code which simple sets the visibility , but when the zoom level is 11, the tick box is still white and can still be ticked on and off.
> 
> 
> here is my code to set the visibility of the layer
> 
> map.events.on({ "zoomend": function (e) {
>       if (this.getZoom() > 12) {	
>       layer_Flurbloeke.setVisibility(true);
>       layer_Flurbloeke.icon='../images/add.png';
>       layer_ertrag.setVisibility(true);	  			
>       }
>       else {
>       layer_Flurbloeke.setVisibility(false);
>       layer_ertrag.setVisibility(false);
>       }
>       }//end function (e)
>     }); //end map.events.on 
> 
> 
> Thanks for any help,
> 
> Rob
> 
> 
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-- 
Andreas Hocevar
OpenGeo - http://opengeo.org/
Expert service straight from the developers.