private bool AutoCheckExplorerTreeNode(ExplorerTreeNode explorerTreeNode)
{
bool returnValue;
switch (explorerTreeNode.NodeType)
{
case ExplorerTreeNodeType.Directory:
{
returnValue = AutoCheckDirectory(explorerTreeNode.Name);
break;
}
case ExplorerTreeNodeType.File:
{
returnValue = AutoCheckFile(explorerTreeNode.Name);
break;
}
default:
{
returnValue = false;
break;
}
}
return(returnValue);
}
private void ExplorerTreeView_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
ExplorerTreeNode node = e.Node as ExplorerTreeNode;
if (node != null)
{
PopulateNode(ref node);
}
}
private ExplorerTreeNode CreateNode(string path)
{
ExplorerTreeNode treeNode = new ExplorerTreeNode(path)
{
ImageIndex = GetImageIndex(path),
SelectedImageIndex = GetImageIndex(path),
};
if (treeNode.NodeType == ExplorerTreeNodeType.Directory)
{
treeNode.Nodes.Add(new ExplorerTreeNode());
}
return(treeNode);
}
private List <ExplorerTreeNode> GetFileNodes(string folder)
{
List <ExplorerTreeNode> returnValue = new List <ExplorerTreeNode>();
foreach (string file in Directory.GetFiles(folder, "*", SearchOption.TopDirectoryOnly))
{
ExplorerTreeNode fileNode = CreateNode(file);
if (fileNode != null)
{
returnValue.Add(fileNode);
}
}
return(returnValue);
}
private void ExplorerTreeView_AfterCheck(object sender, TreeViewEventArgs e)
{
ExplorerTreeNode explorerTreeNode = e.Node as ExplorerTreeNode;
if (explorerTreeNode != null)
{
if (!explorerTreeNode.Checked)
{
UncheckNodes(explorerTreeNode);
}
else if (AutoCheck)
{
CheckNodes(explorerTreeNode);
}
}
}
private List <ExplorerTreeNode> GetDirectoryNodes(string folder)
{
List <ExplorerTreeNode> returnValue = new List <ExplorerTreeNode>();
foreach (string directory in Directory.GetDirectories(folder, "*", SearchOption.TopDirectoryOnly))
{
ExplorerTreeNode directoryNode = CreateNode(directory);
if (directoryNode != null)
{
if (AutoPopulate)
{
PopulateNode(ref directoryNode);
}
returnValue.Add(directoryNode);
}
}
return(returnValue);
}
private void PopulateNode(ref ExplorerTreeNode node)
{
if (node.Nodes.Count <= 1)
{
node.Nodes.Clear();
List <ExplorerTreeNode> directoryNodes = GetDirectoryNodes(node.FullName);
List <ExplorerTreeNode> fileNodes = GetFileNodes(node.FullName);
if (directoryNodes.Count > 0)
{
node.Nodes.AddRange(directoryNodes.ToArray());
}
if (fileNodes.Count > 0)
{
node.Nodes.AddRange(fileNodes.ToArray());
}
}
Application.DoEvents(); // TODO: Not sure if this is necessary
}
private void UpdateRootPath(string rootPath)
{
if (Directory.Exists(rootPath))
{
_RootPath = rootPath;
Nodes.Clear();
ExplorerTreeNode rootNode = new ExplorerTreeNode(rootPath)
{
ImageIndex = GetImageIndex(rootPath),
SelectedImageIndex = GetImageIndex(rootPath),
Text = rootPath,
ToolTipText = rootPath,
};
PopulateNode(ref rootNode);
Nodes.Add(rootNode);
rootNode.Checked = AutoCheck;
rootNode.Expand();
}
}