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

[Christian Mayer]

Hi Rob,

try to use

node.disable();

where node could for example be determined via getNodeById( String id )
[1] on your tree panel.

Best regards,
Chris


[1]
http://docs.sencha.com/ext-js/3-4/#!/api/Ext.tree.TreePanel-method-getNodeById
<http://docs.sencha.com/ext-js/3-4/#%21/api/Ext.tree.TreePanel-method-getNodeById>



Am 15.11.2011 13:35, schrieb Robert Buckley:
> 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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