protected override void CalcSelectedObjects()
{
base.CalcSelectedObjects();
if (!ListView.Id.ToLower().Contains("lookup"))
{
var rootObjects = collection.List.OfType <ITreeNode>().Where(f => f.Parent == null || !collection.List.Contains(f.Parent)).OfType <Object>().ToList();
SelectedObjects = SelectedObjects.OfType <ITreeNode>().Where(f => f.Parent == null || !collection.List.Contains(f.Parent)).OfType <Object>().ToList();
foreach (var item in rootObjects)
{
CalcNestedSelectedObjects((item as ITreeNode), SelectedObjects.Contains(item));
}
}
}
/// <summary>
/// Draw all the links of the given node
/// </summary>
/// <param name="n"></param>
/// <param name="g"></param>
/// <param name="viewportRect"></param>
private void DrawLinksOfNode(Node n, Graphics g, Rectangle viewportRect)
{
// draw all attached links
n.DrawLinks(g, Font, viewportRect, SelectedObjects.OfType <Link>());
}
// --------------------------------------------------------------------------------------------
/// <summary>
/// Gets all the selected objects with the specified type.
/// </summary>
/// <typeparam name="T">Type to select.</typeparam>
/// <returns>A collection of selected object instances with the specified type.</returns>
// --------------------------------------------------------------------------------------------
public IEnumerable <T> GetSelectedObjects <T>()
{
return(SelectedObjects.OfType <T>());
}
