private void ResizeStarted(object sender, ResizeStartedEventArgs e)
{
var overlay = sender as ResizeOverlay;
var element = (overlay.DataContext as LayoutElement);
_currentAction = new ResizeAction(element, e.Position.ToString(), _guidelines.GenerateGuidelines(Elements.Where(el => el != element).Select(el => el.Bounds)));
}
private void DragSelected()
{
var moveAction = _currentAction as MoveAction
?? new MoveAction(
Elements.Where(el => el.Selected),
_guidelines.GenerateGuidelines(Elements.Where(el => el.Selected == false).Select(el => el.Bounds)));
moveAction.Update(MoveVector);
_currentAction = moveAction;
}
protected override void OnMouseUp(MouseButtonEventArgs e)
{
if (e.ChangedButton == MouseButton.Left)
{
var mouseAction = GetMouseAction();
if (_currentAction is MoveAction)
{
_currentAction.SetComplete();
ActionManager?.Push(_currentAction);
_currentAction = null;
}
switch (mouseAction)
{
case MouseAction.Click:
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Shift) == false)
{
foreach (var element in Elements.Where(el => el != _mouseDownTarget))
{
element.Selected = false;
}
}
break;
case MouseAction.DragSelect:
SelectFromRect(_dragRect);
break;
}
_mouseDownPoint = null;
ReleaseMouseCapture();
UpdateDragRect();
}
base.OnMouseUp(e);
}
public void Push(DesignerAction action)
{
_index++;
_actions = _actions.Take(_index).ToList();
_actions.Add(action);
}