private void SubscribeToLayerInitializationEvents(Layer layer, bool subscribe)
{
if (layer == null)
{
return;
}
if (subscribe)
{
//unsubscribe from events
CustomGraphicsLayer cgl = layer as CustomGraphicsLayer;
if (cgl != null)
{
cgl.UpdateFailed += layerUpdateFailed;
cgl.UpdateCompleted += layerUpdateCompleted;
}
else
{
FeatureLayer fl = layer as FeatureLayer;
if (fl != null)
{
fl.UpdateFailed += layerUpdateFailed;
fl.UpdateCompleted += layerUpdateCompleted;
}
else
{
layer.InitializationFailed += layerInitFailed;
layer.Initialized += layerUpdateCompleted;
}
}
}
else
{
//unsubscribe from events
CustomGraphicsLayer cgl = layer as CustomGraphicsLayer;
if (cgl != null)
{
cgl.UpdateFailed -= layerUpdateFailed;
cgl.UpdateCompleted -= layerUpdateCompleted;
}
else
{
FeatureLayer fl = layer as FeatureLayer;
if (fl != null)
{
fl.UpdateFailed -= layerUpdateFailed;
fl.UpdateCompleted -= layerUpdateCompleted;
}
else
{
layer.InitializationFailed -= layerInitFailed;
layer.Initialized -= layerUpdateCompleted;
}
}
}
}
public void Execute(object parameter)
{
ESRI.ArcGIS.Client.Extensibility.PopupInfo param = parameter as ESRI.ArcGIS.Client.Extensibility.PopupInfo;
if (param == null || param.PopupItem == null)
{
return;
}
CustomGraphicsLayer cgl = param.PopupItem.Layer as CustomGraphicsLayer;
if (cgl != null && param.PopupItem.Graphic != null)
{
cgl.OnItemClicked(param.PopupItem.Graphic);
}
}
public bool CanExecute(object parameter)
{
ESRI.ArcGIS.Client.Extensibility.PopupInfo param = parameter as ESRI.ArcGIS.Client.Extensibility.PopupInfo;
if (param == null || param.PopupItem == null)
{
return(false);
}
CustomGraphicsLayer cgl = param.PopupItem.Layer as CustomGraphicsLayer;
if (cgl != null && param.PopupItem.Graphic != null)
{
return(true);
}
return(false);
}
