JTree problem displaying nodes

Question

I have created a GUI, in which part of it allows the user to view files in a selected folder in a JTree format.
The tree only shows selected files with certain extensions (such as ".txt", ".doc", etc.. see code below)
I'll try to show what it looks like, for example:
- RootFolder
    - SomeOpenFolder
        - someFile
        - anotherFile
    + SomeClosedFolder
    - File_in_RootFolder
    - Another_file_in_RootFolder Anyhow, when I shipped it to my boss he occasionally cannot view the full file names..
for example:
- RootFolder
    - SomeOp....
        - some....
        - anothe...
    + SomeClo...
    - File_in_R...
    - Another_fil...I have the JTree inside a JScrollPane with horizontalScrollBarPolicy set to "AS_NEEDED"
I have run several tests, with both LONG and SHORT names... and it all works just fine for me
For example:
- RootFolder
    - SomeOpenFolder
        - someFile
        - anotherFile_With_A_VERY_VERY_VERY_VERY_LOOOOOOOOOOOOOOOOOOOONG_NAME
    + SomeClosedFolder_With_A_VERY_VERY_VERY_VERY_LOOOONG_NAME
    - File_in_RootFolder
    - Another_file_in_RootFolder And i am able to scroll left&right to view the full name within the scroll panel.
But for some reason, on my Bosses computer sometimes it has the full name,
and other times it cuts the name short with "FolderNa..."
Is anyone aware of why such a problem could happen?
Here is my code setting up the tree.
public void setMyTree(String myFolder)
File rootFile = new File(myFolder);
        JTree targetTree = new JTree(TreeSetup(rootFile, InputIncludeFilter()));
        targetTree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
        targetTree.setCellRenderer(new TreeCellRenderer() {
              public Component getTreeCellRendererComponent(JTree tree, Object value,
                            boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
                  JLabel label = new JLabel(value.toString());
                  TreePath p = tree.getPathForRow(row);
                  if(p != null){
                      File node = getInputFile(p);                    
                  if (selected) {
                         label.setOpaque(true);
                         label.setBackground(tree.getBackground().darker());
                      return label;
              private File getInputFile(TreePath path) {
                  StringBuffer fName = new StringBuffer();
                    boolean isroot = true;
                    for (Object s : path.getPath()) {
                              fName.append(s + File.separator);                          
                  return new File(getUserDomain()+File.separator +
                             fName.toString().substring(0, fName.toString().length() - 1));
}Any ideas? Do would it help to see my method "InputIncludeFilter()"

Answer 1

DefaultTreeCellRenderer extends from JLabel, so whatever you are doing to the JLabel you create you can do to the DefaultTreeCellRenderer too.
This would be more like it:
       targetTree.setCellRenderer(new DefaultTreeCellRenderer() {
              public Component getTreeCellRendererComponent(JTree tree, Object value,
                            boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus)
                 super.getTreeCellRendererComponent(tree,value,selected,expanded,leaf,row,hasFocus);
                  TreePath p = tree.getPathForRow(row);
                  if(p != null){
                      File node = getInputFile(p);                    
                  if (selected) {
                         this.setOpaque(true);
                         this.setBackground(tree.getBackground().darker());
                      return this;
              }