/// <summary>
/// Updates the selection for this item.
/// </summary>
/// <param name="bSelect">True if this item should be selected; false otherwise.</param>
protected virtual void UpdateSelection(bool bSelect)
{
DesignerCanvas designer = DesignerHelper.GetDesignerCanvas(this) as DesignerCanvas;
// update selection
if (designer != null)
{
if ((Keyboard.Modifiers & (ModifierKeys.Shift | ModifierKeys.Control)) != ModifierKeys.None)
{
if (bSelect && this.IsSelected)
{
designer.SelectionService.RemoveFromSelection(this);
}
else if (!this.IsSelected)
{
designer.SelectionService.AddToSelection(this);
}
}
else if (!this.IsSelected && bSelect)
{
designer.SelectionService.SelectItem(this);
}
else if (this.IsSelected && !bSelect)
{
designer.SelectionService.RemoveFromSelection(this);
}
}
}
private static void IsSelectedPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
{
DesignerItem item = obj as DesignerItem;
if (item.DataContext != null)
{
if (item != null)
{
DesignerCanvas designer = DesignerHelper.GetDesignerCanvas(item) as DesignerCanvas;
if (designer != null)
{
if ((bool)args.NewValue)
{
//if (!designer.SelectionService.CurrentSelection.Contains(item))
if (!designer.SelectionService.ContainsInSelection(item))
{
designer.SelectionService.AddToSelection(item, false);
}
item.BringIntoView();
}
else
{
//if (designer.SelectionService.CurrentSelection.Contains(item))
if (designer.SelectionService.ContainsInSelection(item))
{
designer.SelectionService.RemoveFromSelection(item, false);
}
}
}
}
}
}
/*
* void DesignerItem_RequestBringIntoView(object sender, RequestBringIntoViewEventArgs e)
* {
* e.Handled = true;
* }*/
/// <summary>
/// Update selection.
/// </summary>
/// <param name="e"></param>
protected override void OnPreviewMouseDown(MouseButtonEventArgs e)
{
base.OnPreviewMouseDown(e);
if (DesignerHelper.GetDesignerItem((DependencyObject)e.MouseDevice.DirectlyOver) == this)
{
UpdateSelection(true);
if (!this.IsFocused)
{
this.Focus();
}
e.Handled = false;
}
}
