public override void CommitDrag(Point dragTerminationPoint, Point offset)
{
// This is really messy. This ought to be generalized somehow.
// If the drag ended over a layer icon, then perform a layer membership operation
IEnumerable <LayerIcon> occludedLayerIcons = Utility.DrawingAids.FindOccludedIcons <LayerIcon>(Designer.LayerIconsListBox,
Utility.DrawingAids.NormalizePoint(Designer.LayerIconsListBox, Designer.IconSurface, dragTerminationPoint));
if (occludedLayerIcons.Count() > 0)
{
CancelDrag();
LayerIcon layerIcon = occludedLayerIcons.First();
ViewModel.Layer layer = layerIcon.ReferencedObject as ViewModel.Layer;
if (layer.Members.Contains(ReferencedObject))
{
if (layer != Designer.DefaultLayer)
{
Designer.RemoveLayerMember(layer, ReferencedObject as ObjectModel.ITransitionEndpoint);
}
}
else
{
Designer.AddLayerMember(layer, ReferencedObject as ObjectModel.ITransitionEndpoint, layer.DefaultGroupStatus, (ReferencedObject as ObjectModel.ITransitionEndpoint).LeftTopPosition);
}
}
else
{
base.CommitDrag(dragTerminationPoint, offset);
}
}
internal AddLayerRecord(ViewModel.ViewModelController controller, ViewModel.Layer layer) : base(ActionTypes.AddLayer, controller, layer)
{
DefaultGroupStatus = layer.DefaultGroupStatus;
MemberIds = layer.Members.Select(m => m.Id).ToArray();
#if DEBUGUNDOREDO
Debug.WriteLine($@">>> AddLayerRecord.AddLayerRecord: Created {UnitDescription} record, ID: {Id}, Name: {Name}");
#endif
}
public override void Do(IOleUndoManager pUndoManager)
{
#if DEBUGUNDOREDO
Debug.WriteLine(">>> SetLayerActiveRecord.Do");
#endif
ViewModel.Layer newLayer = Controller.StateMachine.Find(Id) as ViewModel.Layer;
ViewModel.Layer oldLayer = Controller.StateMachine.Find(OldLayerId) as ViewModel.Layer;
Designer.CurrentLayer = newLayer;
}
public override void Do(IOleUndoManager pUndoManager)
{
#if DEBUGUNDOREDO
Debug.WriteLine(">>> DeleteLayerRecord.Do");
#endif
using (new ViewModel.ViewModelController.GuiChangeBlock(Controller))
{
ViewModel.Layer targetLayer = Controller.StateMachine.Layers.Where(r => r.Id == Id).First();
AddLayerRecord addLayerRecord = new AddLayerRecord(Controller, targetLayer);
Controller.StateMachine.Layers.Remove(targetLayer);
Controller.UndoManager.Add(addLayerRecord);
}
}
public override void Do(IOleUndoManager pUndoManager)
{
#if DEBUGUNDOREDO
Debug.WriteLine(">>> DeleteLayerMemberRecord.Do");
#endif
using (new ViewModel.ViewModelController.GuiChangeBlock(Controller))
{
ViewModel.Layer layer = Controller.StateMachine.Find(LayerId) as ViewModel.Layer;
ObjectModel.ITransitionEndpoint member = Controller.StateMachine.Find(MemberId) as ObjectModel.ITransitionEndpoint;
ObjectModel.LayerPosition layerPosition = Controller.StateMachine.Find(Id) as ObjectModel.LayerPosition;
Controller.UndoManager.Add(new AddLayerMemberRecord(Controller, layerPosition, member));
member.LayerPositions.Remove(layerPosition);
layer.Members.Remove(member);
}
}
public override void Drag(Point mousePosition, Point offset)
{
base.Drag(mousePosition, offset);
if (CandidateLayerIcon != null)
{
CandidateLayerIcon.MembershipAction = LayerIcon.MembershipActions.None;
CandidateLayerIcon = null;
}
// If the mouse is over a layer icon, let the user know
IEnumerable <LayerIcon> occludedLayerIcons = Utility.DrawingAids.FindOccludedIcons <LayerIcon>(Designer.LayerIconsListBox,
Utility.DrawingAids.NormalizePoint(Designer.LayerIconsListBox, Designer.IconSurface, mousePosition));
if (occludedLayerIcons.Count() == 1)
{
LayerIcon layerIcon = occludedLayerIcons.First();
ViewModel.Layer layer = layerIcon.ReferencedObject as ViewModel.Layer;
if (layer.Members.Contains(ReferencedObject))
{
if (layer.IsDefaultLayer)
{
layerIcon.MembershipAction = LayerIcon.MembershipActions.Forbidden;
}
else
{
if ((ReferencedObject as LayeredPositionableObject).CurrentLayerPosition.Layer == layer &&
(ReferencedObject as LayeredPositionableObject).CurrentLayerPosition.GroupStatus == LayerPosition.GroupStatuses.Implicit)
{
layerIcon.MembershipAction = LayerIcon.MembershipActions.Forbidden;
}
else
{
layerIcon.MembershipAction = LayerIcon.MembershipActions.Remove;
}
}
}
else
{
layerIcon.MembershipAction = LayerIcon.MembershipActions.Add;
}
CandidateLayerIcon = layerIcon;
}
}
// Constructor for new object creation through commands
private Group(ViewModelController controller, string rootName, ViewModel.Layer currentLayer) : base(controller, controller.StateMachine.Groups, rootName, currentLayer)
{
}
internal static Group Create(ViewModelController controller, IconControls.OptionsPropertiesPage optionsPage, ViewModel.Layer currentLayer)
{
using (new UndoRedo.DontLogBlock(controller))
{
return(new Group(controller, optionsPage.GroupRootName, currentLayer));
}
}
internal TransitionHost(ViewModel.ViewModelController controller, IEnumerable <NamedObject> existingObjectList, string rootName, ViewModel.Layer currentLayer) : base(controller, existingObjectList, rootName, currentLayer)
{
TransitionsFrom = new ObservableCollection <ObjectModel.ITransition>();
TransitionsTo = new ObservableCollection <ObjectModel.ITransition>();
}
// Constructor for new object creation through commands
private TransitionHost(ViewModelController controller, string rootName, ViewModel.Layer currentLayer) : base(controller, controller.StateMachine.States, rootName, currentLayer)
{
TransitionsFrom = new ObservableCollection <ObjectModel.ITransition>();
TransitionsTo = new ObservableCollection <ObjectModel.ITransition>();
}
internal SetLayerActiveRecord(ViewModel.ViewModelController controller, DesignerControl designer, ViewModel.Layer newLayer, ViewModel.Layer oldLayer) : base(ActionTypes.AddLayer, controller, newLayer)
{
Designer = designer;
OldLayerId = oldLayer?.Id ?? TrackableObject.NullId;
#if DEBUGUNDOREDO
Debug.WriteLine($@">>> SetLayerActiveRecord.SetLayerActiveRecord: Created {UnitDescription} record, ID: {Id}, Name: {newLayer.Name}, Old Layer ID: {OldLayerId}, Old Layer Name: {oldLayer?.Name ?? "<null>"}");
#endif
}
internal DeleteLayerRecord(ViewModel.ViewModelController controller, ViewModel.Layer layer) : base(ActionTypes.DeleteLayer, controller, layer)
{
#if DEBUGUNDOREDO
Debug.WriteLine($@">>> DeleteLayerRecord.DeleteLayerRecord: Created {UnitDescription} record, ID: {Id}, Name: {Name}");
#endif
}
