Get data only one folder not for all folders in treeview - Blackberry - blackberry

Question

i want to show all folders(images, videos,files) with directories/files, currently only show images folder with files, but other folder are not show. I try to find solution but not found. Here is the code & its screenshot(http://postimg.org/image/wm5ypbk9d/).
FileManager.java
package com.rim.samples.device.mapactiondemo;
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.KeypadListener;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.TreeField;
import net.rim.device.api.ui.component.TreeFieldCallback;
import net.rim.device.api.ui.container.MainScreen;
public class FilesManager extends MainScreen {
FTPMessages _ftp = null;
String[] fileList;
// ..................
private final Bitmap openIcon = Bitmap.getBitmapResource("open.png");
private final Bitmap closedIcon = Bitmap.getBitmapResource("closed.png");
private final Bitmap movieIcon = Bitmap.getBitmapResource("movie.png");
private final Bitmap songIcon = Bitmap.getBitmapResource("song.png");
private final Bitmap playIcon = Bitmap.getBitmapResource("play.png");
private final Bitmap imgIcon = Bitmap.getBitmapResource("images.png");
String nodeTen;
int node10;
TreeField myTree;
String[] nodeData;
// ListField to be displayed - null - no Field displayed
// List of entries to be displayed - null or length = 0 means no entries
// protected so that another Thread can update this list....
protected ListDirectory[] _resultsList = null; // entries available for
// display
private ListDirectory _selectedEntry = null;
public FilesManager(FTPMessages ftp) {
super();
_ftp = ftp;
// Setting starting directory
try {
/*
* fileList = _ftp.list(); for (int i = 0; i < fileList.length; i++)
* { _ftp.cwd(fileList[i]); }
*/
_ftp.cwd("images");
_ftp.cwd("files");
_ftp.cwd("videos");
} catch (Exception e) {
}
this.setTitle("Server File List");
TreeCallback myCallback = new TreeCallback();
myTree = new TreeField(myCallback, Field.FOCUSABLE) {
protected boolean navigationClick(int status, int time) {
// We'll only override unvarnished navigation click behavior
if ((status & KeypadListener.STATUS_ALT) == 0
&& (status & KeypadListener.STATUS_SHIFT) == 0) {
final int node = getCurrentNode();
if (getFirstChild(node) == -1) {
// Click is on a leaf node. Do some default action or
// else fall through.
// Note: this will also detect empty folders, which
// might or
// might not be something your app has to handle
Dialog.alert("clicked " + getCookie(node));
// TODO: open player screen, etc.
return true;
}
}
return super.navigationClick(status, time);
}
};
myTree.setDefaultExpanded(false);
myTree.setRowHeight(openIcon.getHeight());
try {
node10 = myTree.addChildNode(0, _ftp.pwd());
} catch (Exception e) {
}
this.add(myTree);
refreshList();
}
private void refreshList() {
// TODO Auto-generated method stub
_resultsList = null;
String[] directory = null;
try {
directory = _ftp.list();
} catch (Exception e) {
}
if (directory != null && directory.length > 0) {
_resultsList = new ListDirectory[directory.length];
for (int i = 0; i < directory.length; i++) {
_resultsList[i] = new ListDirectory(directory[i],
ListDirectory.UNIX_SERVER);
}
}
if (_resultsList != null && _resultsList.length > 0) {
// we have some results
for (int i = 0; i < _resultsList.length; i++) {
String bb = directory[i];
String nodeFive = new String(bb);
this.myTree.addChildNode(node10, nodeFive);
}
} else {
}
}
private class TreeCallback implements TreeFieldCallback {
public void drawTreeItem(TreeField _tree, Graphics g, int node, int y,
int width, int indent) {
final int PAD = 8;
String text = (String) _tree.getCookie(node);
Bitmap icon = closedIcon;
if (text.endsWith(".mp3")) {
icon = songIcon;
} else if (text.endsWith(".avi")) {
icon = movieIcon;
} else if (text.endsWith(".png") || text.endsWith(".jpg")) {
icon = imgIcon;
} else if (_tree.getExpanded(node)) {
icon = openIcon;
}
g.drawBitmap(indent, y, icon.getWidth(), icon.getHeight(), icon, 0,
0);
// This assumes filenames all contain '.' character!
if (text.indexOf(".") > 0) {
// Leaf node, so this is a playable item (movie or song)
g.drawBitmap(_tree.getWidth() - playIcon.getWidth() - PAD, y
+ PAD, playIcon.getWidth(), playIcon.getHeight(),
playIcon, 0, 0);
}
int fontHeight = getFont().getHeight();
g.drawText(text, indent + icon.getWidth() + PAD,
y + (_tree.getRowHeight() - fontHeight) / 2);
}
}
}
The other classes that used with this code, download from that link(complete project classes)
http://remote.offroadstudios.com/files/filemanager.zip
you can also check files on server, ip:64.207.150.31:21, username:remote, password:123456789