src/main/java/jp/sourceforge/stigmata/ui/swing/tab/EditableTabbedPane.java

   1 package jp.sourceforge.stigmata.ui.swing.tab;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import java.awt.FocusTraversalPolicy;
   8 import java.awt.Rectangle;
   9 import java.awt.event.FocusAdapter;
  10 import java.awt.event.FocusEvent;
  11 import java.awt.event.KeyAdapter;
  12 import java.awt.event.KeyEvent;
  13 import java.awt.event.MouseAdapter;
  14 import java.awt.event.MouseEvent;
  15
  16 import javax.swing.BorderFactory;
  17 import javax.swing.JFrame;
  18 import javax.swing.JMenuBar;
  19 import javax.swing.JTabbedPane;
  20 import javax.swing.JTextField;
  21
  22 /**
  23  * This program is copied from below URL.
  24  * http://terai.xrea.jp/Swing/EditTabTitle.html
  25  *
  26  * @author Haruaki Tamada
  27  * @author Terai Atsuhiro
  28  * @version $Revision$
  29  */
  30 public class EditableTabbedPane extends JTabbedPane{
  31     private static final long serialVersionUID = -66174062280771547L;
  32
  33     private final EditableGlassPane panel;
  34     private final JTextField editor;
  35     private final JFrame frame;
  36     private final FocusTraversalPolicy policy;
  37     private FocusTraversalPolicy ftp;
  38
  39     public EditableTabbedPane(JFrame frame){
  40         this.frame = frame;
  41         this.panel = new EditableGlassPane(this);
  42         this.editor = new JTextField();
  43
  44         policy = new EditableTabbedPaneFocusTraversalPolicy(editor);
  45
  46         editor.setBorder(BorderFactory.createEmptyBorder(0, 3, 0, 3));
  47         editor.addFocusListener(new FocusAdapter(){
  48             @Override
  49             public void focusGained(final FocusEvent e){
  50                 ((JTextField)e.getSource()).selectAll();
  51             }
  52         });
  53         editor.addKeyListener(new KeyAdapter(){
  54             @Override
  55             public void keyPressed(KeyEvent e){
  56                 if(e.getKeyCode() == KeyEvent.VK_ENTER){
  57                     renameTab();
  58                 }
  59                 else if(e.getKeyCode() == KeyEvent.VK_ESCAPE){
  60                     cancelEditing();
  61                 }
  62             }
  63         });
  64         addMouseListener(new MouseAdapter(){
  65             @Override
  66             public void mouseClicked(MouseEvent me){
  67                 if(me.getClickCount() == 2){
  68                     startEditing();
  69                 }
  70             }
  71         });
  72         addKeyListener(new KeyAdapter(){
  73             @Override
  74             public void keyPressed(KeyEvent e){
  75                 if(e.getKeyCode() == KeyEvent.VK_ENTER){
  76                     startEditing();
  77                 }
  78             }
  79         });
  80
  81         frame.setGlassPane(panel);
  82         panel.add(editor);
  83         panel.setVisible(false);
  84     }
  85
  86     void renameTab(){
  87         frame.setFocusTraversalPolicy(ftp);
  88         if(editor.getText().trim().length() > 0){
  89             setTitleAt(getSelectedIndex(), editor.getText());
  90         }
  91         panel.setVisible(false);
  92     }
  93
  94     private void startEditing(){
  95         initEditor();
  96         ftp = frame.getFocusTraversalPolicy();
  97         panel.setVisible(true);
  98         editor.requestFocusInWindow();
  99         frame.setFocusTraversalPolicy(policy);
 100     }
 101
 102     private void cancelEditing(){
 103         frame.setFocusTraversalPolicy(ftp);
 104         panel.setVisible(false);
 105     }
 106
 107     private void initEditor(){
 108         JMenuBar bar = frame.getJMenuBar();
 109         Rectangle rect = getUI().getTabBounds(this, getSelectedIndex());
 110         rect.setRect(rect.x + 2, rect.y + 2, rect.width - 2, rect.height - 2);
 111         if(bar != null){
 112             rect.y += bar.getSize().height;
 113         }
 114         panel.setRectangle(rect);
 115
 116         editor.setBounds(rect);
 117         editor.setText(getTitleAt(getSelectedIndex()));
 118     }
 119 }