private void treeViewFolders_BeforeExpand(object sender, TreeViewCancelEventArgs e)
{
FolderNode folderNode = e.Node as FolderNode;
if (folderNode.ThisFolderInfo == null)
{
return;
}
folderNode.AddChildren();
}
/// <summary>
/// Add the Folders to the parent
/// Check for Files as well
/// </summary>
/// <param name="folders"></param>
public void AddChildren()
{
if (ThisFolderInfo == null)
{
return;
}
System.IO.DirectoryInfo[] subDirs = null;
// Now find all the subdirectories under this directory.
try {
subDirs = ThisFolderInfo.GetDirectories();
}
catch (System.UnauthorizedAccessException e) {
Debug.WriteLine(e.Message);
}
catch (System.IO.PathTooLongException e) {
Debug.WriteLine(e.Message);
}
catch (IOException io) {
Debug.WriteLine("IOException " + io.Message);
}
if (subDirs != null)
{
foreach (System.IO.DirectoryInfo f in subDirs)
{
FolderNode n = null;
bool NewNode = false;
if (_alreadyProcessedList.ContainsKey(f.FullName))
{
n = _alreadyProcessedList[f.FullName];
}
else
{
n = new FolderNode(f.Name, f);
NewNode = true;
}
bool remove = false;
n.AddSecondLevelChildren(out remove);
if (!remove && NewNode)
{
this.Nodes.Add(n);
}
}
}
}
/// <summary>
/// Run When the form is created
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_Load(object sender, EventArgs e)
{
//rick 6-23-17 we are reworking this to look like
//windows exploror
_parent = FolderNode.InitRootTree();
treeViewFolders.Nodes.Add(_parent);
//set the default search box captions
textBoxSearchSS.Text = "Search Box";
textBoxSearchSS.ForeColor = SystemColors.InactiveCaption;
textBoxSearchFiles.Text = "Search Box";
textBoxSearchFiles.ForeColor = SystemColors.InactiveCaption;
// OLD NOT USING
/*
* //read the drives and set the current one to the last one used
* // or the first one in the list that will
* // most likely be C:
* var driveInfo = DriveInfo.GetDrives();
* foreach(DriveInfo d in driveInfo) {
* comboBoxDrives.Items.Add(d.Name);
* }
*
* //check if the last saved is still in the list.
* bool found = false;
* foreach(string d in comboBoxDrives.Items) {
* if(Properties.Settings.Default.LastDrive == d) {
* found = true;
* comboBoxDrives.Text = d;
* break;
* }
* }
* if(!found) {
* comboBoxDrives.Text = comboBoxDrives.Items[0].ToString();
* }
*
*
* //Populate the Folder Tree
* InitFolderTree(comboBoxDrives.Text);
*
*
* treeViewFolders.Nodes.Add(_parent);
*/
}
private void AddSecondLevelChildren(out bool remove)
{
System.IO.DirectoryInfo[] subDirs = null;
// Now find all the subdirectories under this directory.
remove = false;
//change this when you can
if (this.Text == "$Recycle.Bin")
{
remove = true;
return;
}
try {
subDirs = ThisFolderInfo.GetDirectories();
}
catch (System.UnauthorizedAccessException e) {
Debug.WriteLine(e.Message);
remove = true;
return;
}
catch (System.IO.PathTooLongException e) {
Debug.WriteLine(e.Message);
}
#region Now Check For Files
//now check for files
System.IO.FileInfo[] files = null;
// First, process all the files directly under this folder
try {
files = ThisFolderInfo.GetFiles("*.*");
}
// This is thrown if even one of the files requires permissions greater
// than the application provides.
catch (UnauthorizedAccessException e) {
// This code just writes out the message and continues to recurse.
// You may decide to do something different here. For example, you
// can try to elevate your privileges and access the file again.
Debug.WriteLine(e.Message);
remove = true;
return;
}
catch (System.IO.DirectoryNotFoundException e) {
Debug.WriteLine(e.Message);
}
catch (System.IO.PathTooLongException e) {
Debug.WriteLine(e.Message);
remove = true;
return;
}
#endregion
//Remove any files that are hidden
List <FileInfo> tempList = new List <FileInfo>();
foreach (FileInfo fi in files)
{
if ((fi.Attributes & FileAttributes.Hidden) == 0)
{
tempList.Add(fi);
}
}
//if the folder has NO sub-folders and no Files
// remove it
if ((files == null || files.Length == 0) && (subDirs == null || subDirs.Length == 0))
{
remove = true;
return;
}
if (subDirs != null)
{
foreach (System.IO.DirectoryInfo f in subDirs)
{
FolderNode n = null;
if (_alreadyProcessedList.ContainsKey(f.FullName))
{
n = _alreadyProcessedList[f.FullName];
}
else
{
n = new FolderNode(f.Name, f);
this.Nodes.Add(n);
}
}
}
}
/// <summary>
/// This will create the parent tree structure
/// Similar to what windows exploror looks like
/// </summary>
/// <returns></returns>
public static FolderNode InitRootTree()
{
var root = new FolderNode("This PC");
var favorites = Environment.GetFolderPath(Environment.SpecialFolder.Favorites);
if (Directory.Exists(favorites))
{
var FavoritesInfo = new FolderNode(returnRootName(favorites), new DirectoryInfo(favorites));
FavoritesInfo.AddChildren();
root.Nodes.Add(FavoritesInfo);
}
var desk = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
if (Directory.Exists(desk))
{
var deskInfo = new FolderNode(returnRootName(desk), new DirectoryInfo(desk));
deskInfo.AddChildren();
root.Nodes.Add(deskInfo);
}
var doc = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
if (Directory.Exists(doc))
{
var docInfo = new FolderNode(returnRootName(doc), new DirectoryInfo(doc));
docInfo.AddChildren();
root.Nodes.Add(docInfo);
}
var down = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
var down2 = Path.Combine(down, "Downloads");
if (Directory.Exists(down2))
{
var downInfo = new FolderNode(returnRootName(down2), new DirectoryInfo(down2));
downInfo.AddChildren();
root.Nodes.Add(downInfo);
}
var vid = Environment.GetFolderPath(Environment.SpecialFolder.MyVideos);
if (Directory.Exists(vid))
{
var vidInfo = new FolderNode(returnRootName(vid), new DirectoryInfo(vid));
vidInfo.AddChildren();
root.Nodes.Add(vidInfo);
}
var pic = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
if (Directory.Exists(pic))
{
var picInfo = new FolderNode(returnRootName(pic), new DirectoryInfo(pic));
picInfo.AddChildren();
root.Nodes.Add(picInfo);
}
var music = Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
if (Directory.Exists(music))
{
var musicInfo = new FolderNode(returnRootName(music), new DirectoryInfo(music));
musicInfo.AddChildren();
root.Nodes.Add(musicInfo);
}
//var mycomp = Environment.GetFolderPath(Environment.SpecialFolder.);
//var mycompInfo = new FolderNode(returnRootName(mycomp), new DirectoryInfo(mycomp));
//mycompInfo.AddChildren();
//root.Nodes.Add(mycomp);
var home = Environment.GetEnvironmentVariable("USERPROFILE");
var dropBox = Path.Combine(home, "Dropbox");
if (Directory.Exists(dropBox))
{
var dropboxInfo = new FolderNode(returnRootName("Dropbox"), new DirectoryInfo(dropBox));
dropboxInfo.AddChildren();
root.Nodes.Add(dropboxInfo);
}
var driveInfo = DriveInfo.GetDrives();
foreach (DriveInfo d in driveInfo)
{
var t = new FolderNode(d.RootDirectory.Name, new DirectoryInfo(d.RootDirectory.FullName));
t.AddChildren();
root.Nodes.Add(t);
}
return(root);
}
