private void PerformDuplicateShape(object obj)
{
if (SelectedElements.Count == 0)
{
return;
}
var duplicates = new List <ShapeViewModel>();
foreach (var shape in SelectedElements)
{
var duplicateModel = new UMLShape(shape.Shape.X, shape.Shape.Y, shape.Shape.Height, shape.Shape.Width,
shape.Shape.Type);
var duplicate = new ShapeViewModel(duplicateModel);
if (duplicate.Type == EShape.Initial)
{
return;
}
duplicates.Add(duplicate);
}
foreach (var shape in duplicates)
{
Shapes.Add(shape);
}
IUndoRedoCommand cmd = new DuplicateCommand(duplicates, this);
_undoRedo.InsertInUndoRedo(cmd);
}
private void PerformPaste(object obj)
{
var temps = new List <ShapeViewModel>();
var doesShapesContainIntialNode = DoesShapesContainInitialNode();
if (_storedElements.Count == 0)
{
return;
}
foreach (var shape in StoredElements)
{
if ((shape.Type == EShape.Initial) && doesShapesContainIntialNode)
{
return;
}
var temp =
new ShapeViewModel(new UMLShape(shape.X, shape.Y, shape.Height, shape.Width, shape.Shape.Type));
Shapes.Add(temp);
temps.Add(temp);
}
IUndoRedoCommand cmd = new PasteCommand(this, temps);
_undoRedo.InsertInUndoRedo(cmd);
}
/// <summary>
/// PerformCanvasMouseDown - Called when the canvas is clicked, will NOT be called when clicking a shape.
/// </summary>
/// <param name="e"></param>
private void PerformCanvasMouseDown(MouseButtonEventArgs e)
{
try
{
// TODO: The behavior is kinda fishy..
if (_shapeMode)
{
var source = e.Source as UIElement;
var point = source is Canvas?e.GetPosition(source) : RelativeMousePosition(e);
var model = new UMLShape(point.X, point.Y, GetDefaultHeight(_toolboxShapeValue),
GetDefaultWidth(_toolboxShapeValue), _toolboxShapeValue);
var shapeToAdd = new ShapeViewModel(model);
// If we already have a initial node on canvas, don't allow another one.
if ((shapeToAdd.Type == EShape.Initial) && DoesShapesContainInitialNode())
{
System.Windows.MessageBox.Show("Canvas can only contain one initial node.");
}
else
{
Shapes.Add(shapeToAdd);
IUndoRedoCommand cmd = new AddShapeCommand(shapeToAdd, this);
_undoRedo.InsertInUndoRedo(cmd);
}
}
else if (SelectedElements != null)
{
ClearSelection();
}
}
catch (Exception ex)
{
System.Windows.MessageBox.Show(Constants.Messages.GenericError);
Console.WriteLine(ex.Message);
}
}