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

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