private void InitializeSelector()
{
this.AddSelectedHandler(OnSelected);
this.AddUnselectedHandler(OnUnselected);
if (!DesignTime.IsLocked(this))
{
GroupSelector.Select(this, true);
}
}
public void Select()
{
// Design Mode Change
if (GroupSelector.IsSelected(this))
{
InvertDesignMode();
}
// Select
GroupSelector.Select(this, true,
multiSelect: Keyboard.IsKeyDown(Key.LeftShift));
}
/// <summary>
/// Parent의 자식으로 등록된 Element를 삭제하고 <see cref="IRenderer"/> 및 레이어를 삭제합니다.
/// </summary>
/// <param name="parent"></param>
/// <param name="element"></param>
public void RemoveElement(FrameworkElement parent, FrameworkElement element, bool pushTask = false)
{
IRenderer parentRenderer = parent.GetRenderer();
IRenderer childRenderer = element.GetRenderer();
// Selection Check
if (GroupSelector.IsSelected(childRenderer as FrameworkElement))
{
GroupSelector.Select(childRenderer as SelectionLayer, false);
}
// Remove On AdornerLayer
element.RemoveAdorner((Adorner)childRenderer);
if (!pushTask)
{
// Dispose
DestroyElement(parent, element);
}
if (parent.DataContext != null && parent.DataContext is DependencyObject dataContext)
{
// Remove On PObject Parent
ObjectContentHelper.GetContent(
dataContext,
pi => pi.SetValue(dataContext, null), // Single Content
list => list.SafeRemove(element.DataContext)); // List Content
}
// Remove On WPF Parent
ObjectContentHelper.GetContent(
parent,
pi => pi.SetValue(parent, null), // Single Content
list => list.SafeRemove(element)); // List Content
RemoveElementCore(childRenderer);
// Notice child removed
parentRenderer?.RemoveChild(childRenderer);
}
private void ESC_Execute(object sender, ExecutedRoutedEventArgs e)
{
// Component Box
if (IsComponentBoxOpen)
{
CloseComponentBox();
return;
}
// Selected Group
if (GroupSelector.GetSelectedItemCount() > 1)
{
GroupSelector.UnselectAll();
return;
}
// Selected Item
var layer = GetSelectedLayer();
if (layer == null)
{
GroupSelector.UnselectAll();
return;
}
var prevLayer = layer.AdornedElement
.FindVisualParents <FrameworkElement>()
.Select(element => (StoryboardLayer)element.GetRenderer())
.Skip(1)
.FirstOrDefault(adorner => adorner != null && adorner is SelectionLayer);
if (prevLayer != null)
{
GroupSelector.Select(prevLayer, true);
}
else
{
GroupSelector.UnselectAll();
}
}
