/// <summary>
/// Recursive helper function to build the tree.
/// </summary>
/// <param name="parent">The parent node to add any subnodes to.</param>
/// <param name="path">The path array.</param>
/// <param name="index">The current index into the path array.</param>
/// <returns></returns>
private BrowserNode expandRemainingPath(BrowserNode parent, String[] path, int index)
{
if (index == path.Length)
{
return(parent);
}
if (!parent.hasChild(path[index]))
{
parent.addChild(new BrowserNode(path[index], null));
}
return(expandRemainingPath(parent.getChild(path[index]), path, index + 1));
}
/// <summary>
/// Add a node to the tree. This will automaticly create any folder nodes specified
/// in the path. The path values can be separated by the delimiter array. So you could
/// make a path such as Foo\Bar and send a "\" as the delimiter which would then put node
/// into a folder called Bar which in turn is a subfolder of Foo, which would be a top
/// level node in the tree.
/// </summary>
/// <param name="path">The path to put the node in. Pass null to place the object just under the root node.</param>
/// <param name="delimeter">The delimiter to split up the path. Can be null if path is null.</param>
/// <param name="node">The node to add to path.</param>
public void addNode(String path, String[] delimeter, BrowserNode node)
{
BrowserNode folder;
if (path != null && delimeter != null)
{
String[] expandedPath = path.Split(delimeter, StringSplitOptions.RemoveEmptyEntries);
if (expandedPath.Length > 0)
{
folder = expandRemainingPath(rootNode, expandedPath, 0);
}
else
{
folder = rootNode;
}
}
else
{
folder = rootNode;
}
folder.addChild(node);
}
public void removeChild(BrowserNode child)
{
children.Remove(child.text);
}
public void addChild(BrowserNode child)
{
children.Add(child.text, child);
}
/// <summary>
/// Add a node to the tree with the default path delimiters. These are \ and /.
/// See the overloaded version for more information about the paths.
/// </summary>
/// <param name="path">The path to the node.</param>
/// <param name="node">The node.</param>
public void addNode(String path, BrowserNode node)
{
addNode(path, DefaultDelimiters, node);
}
public Browser(String rootNodeName, String prompt)
{
rootNode = new BrowserNode(rootNodeName, null);
this.Prompt = prompt;
}
