private void UpdateSelection()
{
selectionService.AllowWdgPropertyNotify(false);
Rect rubberBand = new Rect(this.startPoint.Value, this.endPoint.Value);
foreach (ContentPresenter item in this.designerCanvas.Children)
{
if (item == null)
{
continue;
}
//Rect itemRect = new Rect(item.RenderSize);
//Rect itemBounds = item.TransformToAncestor(designerCanvas).TransformBounds(itemRect);
BaseWidgetItem widget = VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(item, 0), 0) as BaseWidgetItem;
if (widget == null || widget.Visibility != Visibility.Visible)
{
continue;
}
if (rubberBand.Contains(widget.GetBoundingRect())) // Select Contained Mode
//if (rubberBand.IntersectsWith(itemBounds)) // Select Intersected Mode
{
if (widget.ParentID != Guid.Empty)
{
continue;
}
if (widget.IsGroup == true)
{
GroupViewModel groupVM = widget.DataContext as GroupViewModel;
IGroupOperation pageVM = designerCanvas.DataContext as IGroupOperation;
Guid groupID = groupVM.widgetGID;
pageVM.SetGroupStatus(groupID, GroupStatus.Selected);
}
else
{
widget.IsSelected = true;
}
}
else
{
if (widget.IsGroup == true)
{
GroupViewModel groupVM = widget.DataContext as GroupViewModel;
IGroupOperation pageVM = designerCanvas.DataContext as IGroupOperation;
Guid groupID = groupVM.widgetGID;
pageVM.SetGroupStatus(groupID, GroupStatus.UnSelect);
}
else
{
widget.IsSelected = false;
}
}
}
selectionService.AllowWdgPropertyNotify(true);
}