/// <summary>
/// Initializes the tree views.
/// </summary>
private void BuildFolderTreeView()
{
string physicalRootFolder = this.Request.MapPath(GetRootFolderPath());
if (!Directory.Exists(physicalRootFolder))
{
try
{
Directory.CreateDirectory(physicalRootFolder);
}
catch
{
// intentionally ignore the exception (we will show the Warning below)
}
}
if (Directory.Exists(physicalRootFolder) && !HiddenFolders.Any(a => physicalRootFolder.IndexOf(a, StringComparison.OrdinalIgnoreCase) > 0))
{
var sb = new StringBuilder();
sb.AppendLine("<ul id=\"treeview\">");
sb.Append(DirectoryNode(physicalRootFolder, physicalRootFolder));
sb.AppendLine("</ul>");
lblFolders.Text = sb.ToString();
upnlFolders.Update();
ListFolderContents("");
}
else
{
nbWarning.Title = "Warning";
nbWarning.Text = "Folder does not exist: " + physicalRootFolder;
nbWarning.Visible = true;
}
}
/// <summary>
/// Builds a Directory treenode.
/// </summary>
/// <param name="directoryPath">The directory path.</param>
/// <param name="physicalRootFolder">The physical root folder.</param>
/// <returns></returns>
protected string DirectoryNode(string directoryPath, string physicalRootFolder)
{
var sb = new StringBuilder();
DirectoryInfo directoryInfo = new DirectoryInfo(directoryPath);
string relativeFolderPath = directoryPath.Replace(physicalRootFolder, string.Empty);
bool dataExpanded = hfSelectedFolder.Value.StartsWith(relativeFolderPath);
bool selected = hfSelectedFolder.Value == relativeFolderPath;
sb.AppendFormat("<li data-expanded='{2}' data-id='{0}'><span class='{3}'> {1}</span> \n", HttpUtility.HtmlEncode(relativeFolderPath), directoryInfo.Name, dataExpanded.ToTrueFalse().ToLower(), selected ? "selected" : string.Empty);
try
{
List <string> subDirectoryList = Directory.GetDirectories(directoryPath).OrderBy(a => a).ToList();
if (subDirectoryList.Any())
{
sb.AppendLine("<ul>");
foreach (var subDirectoryPath in subDirectoryList)
{
if (!HiddenFolders.Any(a => subDirectoryPath.IndexOf(a, StringComparison.OrdinalIgnoreCase) > 0))
{
sb.Append(DirectoryNode(subDirectoryPath, physicalRootFolder));
}
}
sb.AppendLine("</ul>");
}
sb.AppendLine("</li>");
return(sb.ToString());
}
catch (Exception ex)
{
ShowErrorMessage(ex, string.Format("Unable to access folder {0}. Contact your administrator.", directoryPath));
return(string.Empty);
}
}