[mapguide-users] Adding Events In Fusion

[Rodolfo Moreno]

Hi All, 
I want to add an event to fusion, exactly in the moment when the user turns
on or off a layer. 
I saw the code sample in the COOKBOOK:
http://trac.osgeo.org/fusion/wiki/Cookbook/Fusion/Events
I followed all steps of the COOKBOOK however I get an error on the following
line: 

stateChanged: function(obj, event) { 
        if (obj.legend && obj.legend.treeItem.checkBox) { 
            if (obj.legend.treeItem.checkBox.checked) { 
                this.triggerEvent(Fusion.Event.LEGEND_LAYER_VIS_ON, obj);
                obj.show(); 
            } else { 
                this.triggerEvent(Fusion.Event.LEGEND_LAYER_VIS_OFF, obj); 
                obj.hide(); 
            } 
        } 
        OpenLayers.Event.stop(event, true); 
    }, 

The message that I got is: "The object does not support this property or
method" 
In the debug mode I saw that effectively this object does not have the
triggerEvent method. 
I suppose that this error is due to the code sample from the cookbook is
related with older fusion versions. 

I am using the fusion version that come with MapGuide OS 2.2 
I would appreciate so much for any suggestions. Thanks in advance. 
Rodolfo 




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