Exemple #1
0
 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);
         }
     }
 }