public override void Undo()
{
foreach (IVisualElement entity in AffectedEntities)
{
_context.MapEntities.Add(entity);
}
if (_context is IVisualBuilding && RemovedFloor != null)
{
IVisualBuilding building = (IVisualBuilding)_context;
building.Floors.Insert(RemovedFloorIndex, RemovedFloor);
}
}
public override void Do()
{
foreach (IVisualElement entity in AffectedEntities)
{
_context.SelectedEntities.Remove(entity);
// remove all building shape manipulation helpers
var items = _context.MapEntities.Where(item => item is VisualCornerManipulator).ToList();
for (int i = 0; i < items.Count; i++)
{
_context.MapEntities.Remove(items[i]);
}
if (_context is DataModel)
{
((DataModel)_context).CurrentCorners = null;
}
if (entity is WallElement)
{
foreach (VisualDoor door in ((WallElement)entity).Doors)
{
_context.MapEntities.Remove(door);
}
//TODO: Windows
}
_context.MapEntities.Remove(entity);
}
// handle floor removal
if (_context is IVisualBuilding)
{
IVisualBuilding building = (IVisualBuilding)_context;
VisualFloor floor = building.CurrentFloor;
if (floor != null && floor.IsSelected)
{
RemovedFloorIndex = building.Floors.IndexOf(floor);
building.Floors.Remove(floor);
RemovedFloor = floor;
if (building.Floors.Count > 0)
{
building.CurrentFloor = building.Floors[0];
}
else
{
building.CurrentFloor = null;
}
}
}
}
private void TextBlock_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
IVisualElement selectedElement = (IVisualElement)((FrameworkElement)sender).DataContext;
IVisualBuilding building = (IVisualBuilding)DataContext;
if (!(Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl)))
{
building.SelectedEntities.Clear();
foreach (VisualFloor floor in building.Floors)
{
floor.IsSelected = false;
}
}
selectedElement.IsSelected = !selectedElement.IsSelected;
if (selectedElement is VisualFloor)
{
building.CurrentFloor = (VisualFloor)selectedElement;
building.FireFloorSelectionEvent();
}
}
private void DeleteCommand_FloorWasSelected(IVisualBuilding building)
{
OnCanExecutedChanged(this, null);
}
public AddFloorCommand(IVisualBuilding building)
{
_building = building;
}