/// <summary>
/// PerformShapeDragEnd - Stores the ending position of the element in case of a undo command
/// </summary>
/// <param name="e">DragCompletedEvent</param>
private void PerformShapeDragEnd(DragCompletedEventArgs e)
{
if (_shapeMode)
{
return;
}
var element = e.Source as FrameworkElement;
if (element == null)
{
return;
}
var shape = element.DataContext as ShapeViewModel;
_undoEndPositon = new Point(shape.X, shape.Y);
// If we selected a shape, but we didn't move it, then we shouldn't insert it in undoRedo.
if (!(Math.Abs(_undoEndPositon.X - _undoStartPosition.X) > 1) ||
!(Math.Abs(_undoEndPositon.Y - _undoStartPosition.Y) > 1))
{
return;
}
IUndoRedoCommand cmd = new MoveShapeCommand(SelectedElements[SelectedElements.Count - 1],
_undoStartPosition, _undoEndPositon);
_undoRedo.InsertInUndoRedo(cmd);
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
bool hasMoved = mouseDownLocation.X != e.X || mouseDownLocation.Y != e.Y;
if (hasSelected)
{
if (hasSecondSelected)
{
ShapeComposite newGroup = new ShapeComposite("group");
newGroup.AddChild(SelectedShape);
newGroup.AddChild(SecondSelectedShape);
shapeList.Remove(SelectedShape);
shapeList.Remove(SecondSelectedShape);
SecondSelectedShape.selected = false;
SecondSelectedShape = null;
Command groupShape = new AddShapeCommand(shapeList, newGroup);
history.Add(groupShape);
Command selectShape = new SelectShapeCommand(newGroup, this);
history.Add(selectShape);
}
if (hasMoved)
{
Point velocity = new Point(e.Location.X - mouseDownLocation.X, e.Location.Y - mouseDownLocation.Y);
Command moveShape = new MoveShapeCommand(SelectedShape, velocity, shapeStartPosition);
history.Add(moveShape);
}
Invalidate();
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
bool hasMoved = mouseDownLocation.X != e.X || mouseDownLocation.Y != e.Y;
if (hasSelected && hasMoved)
{
Point velocity = new Point(e.Location.X - mouseDownLocation.X, e.Location.Y - mouseDownLocation.Y);
Command moveShape = new MoveShapeCommand(SelectedShape, velocity, shapeStartPosition);
history.Add(moveShape);
Invalidate();
}
}
private void Form1_MouseUp(object sender, MouseEventArgs e)
{
bool hasMoved = mouseDownLocation.X != e.X || mouseDownLocation.Y != e.Y;
if (hasSelected)
{
if (hasSecondSelected)
{
ShapeComposite newGroup = new ShapeComposite();
newGroup.AddChild(SelectedShape);
newGroup.AddChild(SecondSelectedShape);
MacroCommand macroCommandSelectedShape = new MacroCommand();
macroCommandSelectedShape.Add(new CustomCommand(
() =>
{
shapeList.Remove(SelectedShape);
shapeList.Remove(SecondSelectedShape);
},
() =>
{
shapeList.Add(newGroup.groupMembers[0]);
shapeList.Add(newGroup.groupMembers[1]);
}
));
SecondSelectedShape.selected = false;
SecondSelectedShape = null;
macroCommandSelectedShape.Add(new AddShapeCommand(shapeList, newGroup));
history.Add(macroCommandSelectedShape);
}
if (hasMoved)
{
Point velocity = new Point(e.Location.X - mouseDownLocation.X, e.Location.Y - mouseDownLocation.Y);
Command moveShape = new MoveShapeCommand(SelectedShape, velocity, shapeStartPosition);
history.Add(moveShape);
}
Invalidate();
}
}
