Hi,
I am creating a web application that uses openlayers (2.10). In my
application I have three component, that is separeted in 3 different layers:
object, point, line. I have to handle the following events:
- object:
a, popup, when mouse is over
b, select, when clicked
c, multiselect: when ctrl+ box selection
- point:
a, popup, when mouse is over
- line:
no event handling
I have created three selectfeatures for this. One for multiselect and two
for the rest. Because I need the collection of point in object multiselect I
subscribe for document, selectfeature and map event.
Sometimes, in Visual Studio, I have got nullpointer exception when I close
the web application. The exception occures in the following class:
OpenLayers.Handler.Box=OpenLayer.Class{...} in the following method:
deactivate:function(){if(OpenLayers.Handler.prototype.deactivate.apply(this,
arguments)){this.dragHandler.deactivate();return true;}else{return false;}}
The dragHandler is null, so it is not possible to call the deactivate method
(if i am right I haven't got this exception in version 2.8). Is it a bug or
am I use something wrong?
The example can be found in here:
http://www.inf.u-szeged.hu/~dombijd/openlayers/realdemo.html
http://www.inf.u-szeged.hu/~dombijd/openlayers/Scripts/realdemo.js
Best regards:
Jozsef Daniel Dombi
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