code: private void initComponents()//GEN-BEGIN:initComponents
      {
          jMenuBar1 = new javax.swing.JMenuBar();
          mnuFile = new javax.swing.JMenu();
          mnuFileSave = new javax.swing.JMenuItem();
          jSplitPane1 = new javax.swing.JSplitPane();
          jScrollPane1 = new javax.swing.JScrollPane();
          jTree1 = new javax.swing.JTree();
          jScrlProperty = new javax.swing.JScrollPane();
  
          mnuFile.setMnemonic('F');
          mnuFile.setText("File");
          mnuFileSave.setAction(new ActionSaveAsOJBRepository(aRepository));
          mnuFile.add(mnuFileSave);
  
          jMenuBar1.add(mnuFile);
  
          setClosable(true);
          setIconifiable(true);
          setMaximizable(true);
          setResizable(true);
          jTree1.addMouseListener(new java.awt.event.MouseAdapter()
          {
              public void mousePressed(java.awt.event.MouseEvent evt)
              {
                  jTree1MousePressed(evt);
              }
              public void mouseReleased(java.awt.event.MouseEvent evt)
              {
                  jTree1MousePressed(evt);
              }
          });
  
          jTree1.addTreeSelectionListener(new javax.swing.event.TreeSelectionListener()
          {
              public void valueChanged(javax.swing.event.TreeSelectionEvent evt)
              {
                  jTree1ValueChanged(evt);
              }
          });
  
          jScrollPane1.setViewportView(jTree1);
  
          jSplitPane1.setLeftComponent(jScrollPane1);
  
          jSplitPane1.setRightComponent(jScrlProperty);
  
          getContentPane().add(jSplitPane1, java.awt.BorderLayout.CENTER);
  
          pack();
      }
docs: This method is called from within the constructor to
  initialize the form.
  WARNING: Do NOT modify this code. The content of this method is
  always regenerated by the Form Editor.