public static Rect GetRect(BaseElementViewModel viewModel, double margin = 0) { Point point = new Point(viewModel.Left, viewModel.Top); Size size = new Size(viewModel.Width, viewModel.Height); var rect = new Rect(point, size); rect.Inflate(margin, margin); return(rect); }
protected override void DoDrag(double x, double y) { BaseElementViewModel viewModel = (BaseElementViewModel)DataContext; if (viewModel.IsSelected) { viewModel.Left = x - DragStartPoint.X; viewModel.Top = y - DragStartPoint.Y; } }
public override void Revert() { Type viewModelType = BaseElementViewModel.GetType(); PropertyInfo property = viewModelType.GetProperty(_propertyName); if (property != null) { property.SetValue(BaseElementViewModel, _oldValue); } }
private void TextAreaOnPreviewMouseDown(object sender, MouseButtonEventArgs e) { if (e.ChangedButton == MouseButton.Left) { if (e.ClickCount == 1) { BaseElementViewModel viewModel = (BaseElementViewModel)DataContext; viewModel.IsSelected = true; } } }
private void BaseElementView_OnPreviewMouseDown(object sender, MouseButtonEventArgs e) { BaseElementViewModel viewModel = (BaseElementViewModel)DataContext; if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl)) { viewModel.IsSelected = !viewModel.IsSelected; } else { viewModel.Select(); } }
protected override void StopDrag() { BaseElementViewModel viewModel = (BaseElementViewModel)DataContext; viewModel.StopMove(); }
private void ResizeThumb_DragStarted(object sender, DragStartedEventArgs e) { BaseElementViewModel viewModel = DataContext as BaseElementViewModel; viewModel?.ResizeStart(); }
public ElementResizeAction(BaseElementViewModel baseElementViewModel, Rect from, Rect to) : base(baseElementViewModel) { Name = $"{BaseElementViewModel} resized"; _from = from; _to = to; }
public PropertyChangedAction(BaseElementViewModel viewModel, object oldValue, object newValue, string propertyName) : base(viewModel) { _oldValue = oldValue; _newValue = newValue; _propertyName = propertyName; }
public SelectionChangedEventArgs(BaseElementViewModel selectedItem) { SelectedItem = selectedItem; }
protected BaseElementAction(BaseElementViewModel baseElementViewModel) { BaseElementViewModel = baseElementViewModel; }
public ElementMoveAction(BaseElementViewModel baseElementViewModel, Point from, Point to) : base(baseElementViewModel) { Name = $"Moved {BaseElementViewModel}"; _from = from; _to = to; }