private void treeView_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(TreeNode)))
{
Point pt = treeView.PointToClient(new Point(e.X, e.Y));
TreeNode target = treeView.GetNodeAt(pt);
TreeNode source = (TreeNode)e.Data.GetData(typeof(TreeNode));
if (target == null || target == source)
{
return;
}
if (!(source.Tag is TreeNodeBuilder))
{
return;
}
if (!(target.Tag is TreeNodeBuilder))
{
return;
}
if (IsChildNode(source, target))
{
return;
}
TreeNodeBuilder targetBuilder = (TreeNodeBuilder)target.Tag;
TreeNodeBuilder sourceBuilder = (TreeNodeBuilder)source.Tag;
Core.Breath.Increment();
Core.IEntryCollection dst = targetBuilder.SubEntries;
Core.IEntry src = (Core.IEntry)sourceBuilder.Tag;
CopyEntry(src, dst);
src.Owner.Remove(src.ID);
SI.Commit();
}
}
static void CopyEntry(Core.IEntry src, Core.IEntryCollection dst)
{
dst = dst.Put(src.Entity).Entries;
foreach (Core.IEntry e in src.Entries)
{
CopyEntry(e, dst);
}
}
public DocTreeNodeCollection(
Core.IEntryCollection entries, TreeNodeCollection nodes)
{
_entries = entries;
_nodes = nodes;
}
