void OnLocationChanged(Object sender, LocationChangedEventArgs e)
{
if (LocationChanged != null)
{
LocationChanged(sender, e);
}
}
void OnFreeFormPanelLocationChanged(object sender, LocationChangedEventArgs e)
{
Debug.Assert(sender is UIElement, "Sender should be of type UIElement");
Connector movedConnector = sender as Connector;
if (movedConnector != null)
{
//ViewState is undoable only when a user gesture moves a connector. If the FreeFormPanel routes a connector,
//the change is not undoable.
bool isUndoableViewState = false;
ModelItem connectorModelItem = StateContainerEditor.GetConnectorModelItem(movedConnector);
PointCollection existingViewState = this.ViewStateService.RetrieveViewState(connectorModelItem, ConnectorLocationViewStateKey) as PointCollection;
if (existingViewState != null && existingViewState.Count > 0 && movedConnector.Points.Count > 0
&& existingViewState[0].Equals(movedConnector.Points[0]) && existingViewState[existingViewState.Count - 1].Equals(movedConnector.Points[movedConnector.Points.Count - 1]))
{
isUndoableViewState = true;
}
StoreConnectorLocationViewState(movedConnector, isUndoableViewState);
}
else
{
//This is called only when a shape without ViewState is auto-layout'd by the FreeFormPanel.
WorkflowViewElement view = sender as WorkflowViewElement;
if (view != null)
{
StoreShapeLocationViewState(view, e.NewLocation);
}
}
}