/*
* InsertNodes
*/
/// <summary>
/// Inserts selected nodes into the specified <paramref name="targetNode"/>.
/// </summary>
/// <param name="targetNode"></param>
/// <param name="selected"></param>
/// <exception cref="ArgumentNullException">
/// <paramref name="selected"/> is <see langword="null"/>.
/// </exception>
private static void InsertNodes(TreeNode targetNode, IList <TreeNode> selected)
{
DragDropService.RemoveNodesFromParents(selected);
foreach (TreeNode treeNode in selected)
{
targetNode.Nodes.Add(treeNode);
}
targetNode.Expand();
}
/*
* MoveNodes
*/
/// <summary>
/// Moves selected nodes to the new location specified by the <paramref name="targetNode"/> index.
/// </summary>
/// <param name="targetNode"></param>
/// <param name="selected"></param>
/// <param name="dropPosition"></param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="targetNode"/> is <see langword="null"/>
/// -or-
/// <paramref name="selected"/> is <see langword="null"/>
/// </exception>
private static void MoveNodes(TreeNode targetNode, IList <TreeNode> selected, NuGenDropPosition dropPosition)
{
if (targetNode == null)
{
throw new ArgumentNullException("targetNode");
}
if (selected == null)
{
throw new ArgumentNullException("selected");
}
int targetIndex = 0;
if (dropPosition == NuGenDropPosition.After)
{
targetIndex = targetNode.Index + 1;
DragDropService.RemoveNodesFromParents(selected);
}
else if (dropPosition == NuGenDropPosition.Before)
{
DragDropService.RemoveNodesFromParents(selected);
targetIndex = targetNode.Index;
}
else
{
return;
}
foreach (TreeNode treeNode in selected)
{
if (targetNode.Parent != null)
{
targetNode.Parent.Nodes.Insert(targetIndex, treeNode);
}
else if (targetNode.TreeView != null)
{
targetNode.TreeView.Nodes.Insert(targetIndex, treeNode);
}
else
{
return;
}
}
}
