public void HandleDrop(WinForms::IDataObject dragData)
{
if (!this.IsValidDropTarget(dragData))
return;
IEnumerable<TreeNode> draggedNodes = TreeView.GetTreeNodesFromDragData(dragData);
if (draggedNodes == null)
return;
List<SelectionSetWrapper> selSets = new List<SelectionSetWrapper>();
foreach (TreeNode tn in draggedNodes)
{
if (tn.Parent == null)
continue;
SelectionSetWrapper selSet = TreeMode.GetMaxNode(tn.Parent) as SelectionSetWrapper;
if (selSet != null && !selSets.Contains(selSet))
selSets.Add(selSet);
}
IEnumerable<IMaxNode> draggedMaxNodes = TreeMode.GetMaxNodes(draggedNodes);
foreach (SelectionSetWrapper selSet in selSets)
{
IEnumerable<IMaxNode> newNodes = selSet.ChildNodes.Except(draggedMaxNodes);
ModifySelectionSetCommand cmd = new ModifySelectionSetCommand(selSet, newNodes);
cmd.Execute();
}
}
public override void HandleDrop(WinForms::IDataObject dragData)
{
if (!this.IsValidDropTarget(dragData))
return;
IEnumerable<TreeNode> draggedNodes = TreeView.GetTreeNodesFromDragData(dragData);
if (draggedNodes == null)
return;
IEnumerable<IMaxNode> draggedMaxNodes = TreeMode.GetMaxNodes(draggedNodes);
SelectionSetWrapper targetSelSet = (SelectionSetWrapper)this.MaxNode;
IEnumerable<IMaxNode> combinedNodes = targetSelSet.ChildNodes.Union(draggedMaxNodes);
ModifySelectionSetCommand cmd = new ModifySelectionSetCommand(targetSelSet, combinedNodes);
cmd.Execute();
if (!ControlHelpers.ShiftPressed)
{
IEnumerable<SelectionSetWrapper> selSets = draggedNodes.Select(tn => TreeMode.GetMaxNode(tn.Parent))
.OfType<SelectionSetWrapper>()
.Where(n => !n.Equals(targetSelSet))
.Distinct();
foreach (SelectionSetWrapper selSet in selSets)
{
IEnumerable<IMaxNode> newNodes = selSet.ChildNodes.Except(draggedMaxNodes);
ModifySelectionSetCommand moveCmd = new ModifySelectionSetCommand(selSet, newNodes);
moveCmd.Execute();
}
}
}