[OpenLayers-Users] Deactivate Draw-Control after feature added

Zac Spitzer zac.spitzer at gmail.com
Fri Apr 11 07:55:55 EDT 2008


I'm seeing the same issue with the trunk code at the moment, removing
the deactivate from the
featureAdded handler stops the error but i need a work around?

any ideas?


On Mon, Apr 7, 2008 at 6:13 PM, Kevin Kempfer <mail at kevinkempfer.de> wrote:
> Hi,
>
>  I'm trying to let the user draw a line feature and deactivate the draw
> feature after the feature was added to the map. Here's my code:
>
>  var drawControls = {
>                 point: new OpenLayers.Control.DrawFeature(vectors,
>                             OpenLayers.Handler.Point),
>                 line: new OpenLayers.Control.DrawFeature(vectors,
>
>  OpenLayers.Handler.Path,{featureAdded:
> toggle }
>                         ),
>                 rectangle: new OpenLayers.Control.DrawFeature(vectors,
>                             OpenLayers.Handler.Box),
>                 select: new OpenLayers.Control.SelectFeature(vectors),
>             };
>
>             for(var key in drawControls) {
>                 map.addControl(drawControls[key]);
>             }
>
>
>  function toggle(feature){
>         var linecontrol = drawControls['line'];
>         linecontrol.deactivate();
>  }
>
>  I get an error as soon as the control gets deactivated:
>  this.point has no properties
>  -> this.point.destroy();
>
>  Here's the trace from FireBug:
>  destroyFeature()Point.js (line 128)
>  destroyFeature()Path.js (line 81)
>  finalize()Point.js (line 139)
>  dblclick(dblclick clientX=0, clientY=0)Path.js (line 240)
>  triggerEvent("dblclick", dblclick clientX=0, clientY=0)Events.js (line 612)
>  handleBrowserEvent(dblclick clientX=0, clientY=0)Events.js (line 640)
>  bindAsEventListener(dblclick clientX=0, clientY=0)
>
>  Looks like the control gets deactivated too early in the feature-adding
> process. Is there any advice on how to deactivate a draw control after
> drawing a feature?
>
>  Thanks,
>
>  Kevin
>
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>
>



-- 
Zac Spitzer -
http://zacster.blogspot.com (My Blog)
+61 405 847 168



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