/// <summary>
/// Adds new shape for <see cref="HudBaseToolViewModel"/> to shapes
/// </summary>
/// <param name="toolViewModel">ViewModel of tool to add</param>
private void AddTool(HudBaseToolViewModel toolViewModel)
{
var shape = new RadDiagramShape()
{
DataContext = toolViewModel,
StrokeThickness = 0,
BorderThickness = new Thickness(0),
IsEnabled = true,
Background = null,
IsRotationEnabled = false,
Padding = new Thickness(0),
IsManipulationEnabled = false,
IsDraggingEnabled = true,
IsConnectorsManipulationEnabled = false,
ZIndex = ToolElementZIndex
};
AttachToolBar(shape, toolViewModel as IHudToolBar);
SetReadOnly(shape, IsReadOnly, toolViewModel);
SetWidthBinding(shape, toolViewModel);
SetHeightBinding(shape, toolViewModel);
SetPositionBinding(shape, toolViewModel);
SetIsSelectedBinding(shape, toolViewModel);
SetIsVisibleBinding(shape, toolViewModel);
AssociatedObject.AddShape(shape);
RemovableShapes.Add(shape);
}
/// <summary>
/// Removes shape for <see cref="HudBaseToolViewModel"/> from shapes
/// </summary>
/// <param name="toolViewModel">ViewModel of tool to add</param>
private void RemoveTool(HudBaseToolViewModel toolViewModel)
{
if (AssociatedObject == null || toolViewModel == null)
{
return;
}
var shapes = AssociatedObject.Shapes.OfType <RadDiagramShape>().Where(x => ReferenceEquals(x.DataContext, toolViewModel)).ToArray();
shapes.ForEach(shape => AssociatedObject.RemoveShape(shape));
}
/// <summary>
/// Makes shape with tool read only
/// </summary>
/// <param name="shape">Shape</param>
/// <param name="isReadOnly"></param>
private void SetReadOnly(RadDiagramShape shape, bool isReadOnly, HudBaseToolViewModel toolViewModel)
{
if (shape == null || toolViewModel == null)
{
return;
}
shape.IsEditable = !isReadOnly;
shape.IsResizingEnabled = toolViewModel.IsResizable && !isReadOnly;
shape.IsDraggingEnabled = !isReadOnly;
}
protected static void SetIsVisibleBinding(RadDiagramShape shape, HudBaseToolViewModel viewModel)
{
var converter = new BoolToVisibilityConverter();
SetBinding(shape, UIElement.VisibilityProperty, viewModel, nameof(HudBaseToolViewModel.IsVisible), BindingMode.OneWay, converter);
}
protected static void SetIsSelectedBinding(RadDiagramShape shape, HudBaseToolViewModel viewModel)
{
SetBinding(shape, RadDiagramItem.IsSelectedProperty, viewModel, nameof(HudBaseToolViewModel.IsSelected), viewModel.IsSelectedBindingMode);
}
protected static void SetHeightBinding(RadDiagramShape shape, HudBaseToolViewModel viewModel)
{
SetBinding(shape, FrameworkElement.HeightProperty, viewModel, nameof(HudBaseToolViewModel.Height));
}
protected static void SetOpacityBinding(RadDiagramShape shape, HudBaseToolViewModel viewModel)
{
SetBinding(shape, UIElement.OpacityProperty, viewModel, nameof(HudBaseToolViewModel.Opacity));
}
protected static void SetPositionBinding(RadDiagramShape shape, HudBaseToolViewModel viewModel)
{
SetBinding(shape, RadDiagramItem.PositionProperty, viewModel, nameof(HudBaseToolViewModel.Position));
}
