/// <summary>
/// Accepts drop of a tree node, in a drag & drop operation
/// </summary>
/// <param name="sourceNode"></param>
public override void AcceptDrop(BaseTreeNode sourceNode)
{
base.AcceptDrop(sourceNode);
if (sourceNode is RangeTreeNode)
{
RangeTreeNode rangeTreeNode = sourceNode as RangeTreeNode;
Range range = rangeTreeNode.Item;
rangeTreeNode.Delete();
Item.appendRanges(range);
}
else if (sourceNode is ParagraphTreeNode)
{
ParagraphTreeNode node = sourceNode as ParagraphTreeNode;
Paragraph paragaph = node.Item;
Range range = Range.CreateDefault(Item.Ranges);
Item.appendRanges(range);
range.FindOrCreateReqRef(paragaph);
}
}