[OpenLayers-Users] Problems when deactivating custom control

[Eric Lemoine]

On Tue, May 13, 2008 at 10:15 PM, Zer <hcan at hotmail.com> wrote:
>
>  Hi all,

Hello

>  I have made a custom control that gets the length of a line feature. I then
>  show this length in a div. When the control gets deactivated, I want the div
>  to be cleared. What happens is that the div gets cleared but the control
>  does not get deactivated in the panel. Am I missing something here???
>
>  mt = new OpenLayers.Control.DrawFeature(vLayer, OpenLayers.Handler.Path,
>                 {       featureAdded: ShowDistance,
>                         handlerOptions: {'freehand': true},
>                         displayClass: 'MeasureTool',
>                         deactivate: function() {clearDistance();},
>                 });
>
>  If I remove this line "deactivate: function() {clearDistance();" the control
>  gets deactivated in the panel, but how do I then get the div cleard?
>
>  I also want to clear the div when a new line is drawn. Is there a way to
>  capture an event for this?

How about that:

mt = new OpenLayers.Control.DrawFeature(vLayer, OpenLayers.Handler.Path, {
    featureAdded: ShowDistance,
    handlerOptions: {'freehand': true},
    displayClass: 'MeasureTool'
});
mt.events.on({
    'deactivate': function() {
        clearDistance();
    }
});

Cheers,
--
Eric