Java by API/javax.swing.text/DefaultEditorKit

DefaultEditorKit.beepAction

   <source lang="java">

import java.awt.Event; import java.awt.event.KeyEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.KeyStroke; import javax.swing.text.DefaultEditorKit; public class MainClass extends JFrame {

 MainClass(String title) {
   super(title);
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JPanel jp = new JPanel();
   JLabel jl = new JLabel("Name:");
   jp.add(jl);
   JTextField jt = new JTextField(20);
   jp.add(jt);
   KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_B, Event.CTRL_MASK);
   jt.getInputMap().put(ks, DefaultEditorKit.beepAction);
   getContentPane().add(jp);
   pack();
   setVisible(true);
 }
 public static void main(String[] args) {
   new MainClass("Binding Demo2");
 }

}

 </source>
   
  
 
  

DefaultEditorKit.copyAction

   <source lang="java">

import java.awt.BorderLayout; import java.util.Hashtable; import javax.swing.Action; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.text.DefaultEditorKit; public class MainClass {

 public static void main(String args[]) throws Exception {
   JFrame frame = new JFrame("Cut/Paste Example");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTextField textField = new JTextField();
   frame.add(textField, BorderLayout.NORTH);
   Action actions[] = textField.getActions();
   Action cutAction = findAction(actions, DefaultEditorKit.cutAction);
   Action copyAction = findAction(actions, DefaultEditorKit.copyAction);
   Action pasteAction = findAction(actions, DefaultEditorKit.pasteAction);
   JPanel panel = new JPanel();
   frame.add(panel, BorderLayout.SOUTH);
   JButton cutButton = new JButton(cutAction);
   cutButton.setText("Cut");
   panel.add(cutButton);
   JButton copyButton = new JButton(copyAction);
   copyButton.setText("Copy");
   panel.add(copyButton);
   JButton pasteButton = new JButton(pasteAction);
   pasteButton.setText("Paste");
   panel.add(pasteButton);
   frame.setSize(250, 250);
   frame.setVisible(true);
 }
 public static Action findAction(Action actions[], String key) {
   Hashtable<Object, Action> commands = new Hashtable<Object, Action>();
   for (int i = 0; i < actions.length; i++) {
     Action action = actions[i];
     commands.put(action.getValue(Action.NAME), action);
   }
   return commands.get(key);
 }

}

 </source>
   
  
 
  

DefaultEditorKit.cutAction

   <source lang="java">

import java.awt.BorderLayout; import java.util.Hashtable; import javax.swing.Action; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.text.DefaultEditorKit; public class MainClass {

 public static void main(String args[]) throws Exception {
   JFrame frame = new JFrame("Cut/Paste Example");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTextField textField = new JTextField();
   frame.add(textField, BorderLayout.NORTH);
   Action actions[] = textField.getActions();
   Action cutAction = findAction(actions, DefaultEditorKit.cutAction);
   Action copyAction = findAction(actions, DefaultEditorKit.copyAction);
   Action pasteAction = findAction(actions, DefaultEditorKit.pasteAction);
   JPanel panel = new JPanel();
   frame.add(panel, BorderLayout.SOUTH);
   JButton cutButton = new JButton(cutAction);
   cutButton.setText("Cut");
   panel.add(cutButton);
   JButton copyButton = new JButton(copyAction);
   copyButton.setText("Copy");
   panel.add(copyButton);
   JButton pasteButton = new JButton(pasteAction);
   pasteButton.setText("Paste");
   panel.add(pasteButton);
   frame.setSize(250, 250);
   frame.setVisible(true);
 }
 public static Action findAction(Action actions[], String key) {
   Hashtable<Object, Action> commands = new Hashtable<Object, Action>();
   for (int i = 0; i < actions.length; i++) {
     Action action = actions[i];
     commands.put(action.getValue(Action.NAME), action);
   }
   return commands.get(key);
 }

}

 </source>
   
  
 
  

DefaultEditorKit.pasteAction

   <source lang="java">

import java.awt.BorderLayout; import java.util.Hashtable; import javax.swing.Action; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.text.DefaultEditorKit; public class MainClass {

 public static void main(String args[]) throws Exception {
   JFrame frame = new JFrame("Cut/Paste Example");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   JTextField textField = new JTextField();
   frame.add(textField, BorderLayout.NORTH);
   Action actions[] = textField.getActions();
   Action cutAction = findAction(actions, DefaultEditorKit.cutAction);
   Action copyAction = findAction(actions, DefaultEditorKit.copyAction);
   Action pasteAction = findAction(actions, DefaultEditorKit.pasteAction);
   JPanel panel = new JPanel();
   frame.add(panel, BorderLayout.SOUTH);
   JButton cutButton = new JButton(cutAction);
   cutButton.setText("Cut");
   panel.add(cutButton);
   JButton copyButton = new JButton(copyAction);
   copyButton.setText("Copy");
   panel.add(copyButton);
   JButton pasteButton = new JButton(pasteAction);
   pasteButton.setText("Paste");
   panel.add(pasteButton);
   frame.setSize(250, 250);
   frame.setVisible(true);
 }
 public static Action findAction(Action actions[], String key) {
   Hashtable<Object, Action> commands = new Hashtable<Object, Action>();
   for (int i = 0; i < actions.length; i++) {
     Action action = actions[i];
     commands.put(action.getValue(Action.NAME), action);
   }
   return commands.get(key);
 }

}

 </source>
   
  
 
  

DefaultEditorKit.readOnlyAction

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.Action; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextArea; import javax.swing.text.DefaultEditorKit; public class Main {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Use TextAction");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   final JTextArea leftArea = new JTextArea();
   final JTextArea rightArea = new JTextArea();
   JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, new JScrollPane(leftArea),
       new JScrollPane(rightArea));
   splitPane.setDividerLocation(.5);
   
   JMenuBar menuBar = new JMenuBar();
   frame.setJMenuBar(menuBar);
   JMenu menu = new JMenu("Options");
   menuBar.add(menu);
   JMenuItem menuItem;
   Action readAction = leftArea.getActionMap().get(DefaultEditorKit.readOnlyAction);
   menuItem = menu.add(readAction);
   menuItem.setText("Make read-only");
   Action writeAction = leftArea.getActionMap().get(DefaultEditorKit.writableAction);
   menuItem = menu.add(writeAction);
   menuItem.setText("Make writable");
   menu.addSeparator();
   Action cutAction = leftArea.getActionMap().get(DefaultEditorKit.cutAction);
   menuItem = menu.add(cutAction);
   menuItem.setText("Cut");
   Action copyAction = leftArea.getActionMap().get(DefaultEditorKit.copyAction);
   menuItem = menu.add(copyAction);
   menuItem.setText("Copy");
   Action pasteAction = leftArea.getActionMap().get(DefaultEditorKit.pasteAction);
   menuItem = menu.add(pasteAction);
   menuItem.setText("Paste");
   frame.add(splitPane, BorderLayout.CENTER);
   frame.setSize(400, 250);
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  

DefaultEditorKit.selectLineAction

   <source lang="java">

import javax.swing.*; import javax.swing.text.*; import java.util.Hashtable; import java.awt.event.*; import java.awt.BorderLayout; public class KeymapExample {

 public static void main(String[] args) {
   JTextArea area = new JTextArea(6, 32);
   Keymap parent = area.getKeymap();
   Keymap newmap = JTextComponent.addKeymap("KeymapExampleMap", parent);
   KeyStroke u = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK);
   Action actionU = new UpWord(); 
   newmap.addActionForKeyStroke(u, actionU);
   Action actionList[] = area.getActions();
   Hashtable lookup = new Hashtable();
   for (int j=0; j < actionList.length; j+=1)
     lookup.put(actionList[j].getValue(Action.NAME), actionList[j]);
   KeyStroke L = KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_MASK);
   Action actionL = (Action)lookup.get(DefaultEditorKit.selectLineAction);
   newmap.addActionForKeyStroke(L, actionL);
   KeyStroke W = KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_MASK);
   Action actionW = (Action)lookup.get(DefaultEditorKit.selectWordAction);
   newmap.addActionForKeyStroke(W, actionW);
   area.setKeymap(newmap);
   JFrame f = new JFrame("KeymapExample");
   f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   f.getContentPane().add(new JScrollPane(area), BorderLayout.CENTER);
   area.setText("www.\n jexp \n .ru.");
   f.pack();
   f.setVisible(true);
 }
 public static class UpWord extends TextAction {
   public UpWord() {
     super("uppercase-word-action");
   }
   public void actionPerformed(ActionEvent e) {
     JTextComponent comp = getTextComponent(e);
     if (comp == null) return;
     Document doc = comp.getDocument();
     int start = comp.getSelectionStart();
     int end = comp.getSelectionEnd();
     try {
       int left = javax.swing.text.Utilities.getWordStart(comp, start);
       int right = javax.swing.text.Utilities.getWordEnd(comp, end);
       String word = doc.getText(left, right-left);
       doc.remove(left, right-left);
       doc.insertString(left, word.toUpperCase(), null);
       comp.setSelectionStart(start); // restore previous position/selection
       comp.setSelectionEnd(end);
     } catch (BadLocationException ble) { return; }
   }
 }

}

 </source>
   
  
 
  

DefaultEditorKit.selectWordAction

   <source lang="java">

import javax.swing.*; import javax.swing.text.*; import java.util.Hashtable; import java.awt.event.*; import java.awt.BorderLayout; public class KeymapExample {

 public static void main(String[] args) {
   JTextArea area = new JTextArea(6, 32);
   Keymap parent = area.getKeymap();
   Keymap newmap = JTextComponent.addKeymap("KeymapExampleMap", parent);
   KeyStroke u = KeyStroke.getKeyStroke(KeyEvent.VK_U, InputEvent.CTRL_MASK);
   Action actionU = new UpWord(); 
   newmap.addActionForKeyStroke(u, actionU);
   Action actionList[] = area.getActions();
   Hashtable lookup = new Hashtable();
   for (int j=0; j < actionList.length; j+=1)
     lookup.put(actionList[j].getValue(Action.NAME), actionList[j]);
   KeyStroke L = KeyStroke.getKeyStroke(KeyEvent.VK_L, InputEvent.CTRL_MASK);
   Action actionL = (Action)lookup.get(DefaultEditorKit.selectLineAction);
   newmap.addActionForKeyStroke(L, actionL);
   KeyStroke W = KeyStroke.getKeyStroke(KeyEvent.VK_W, InputEvent.CTRL_MASK);
   Action actionW = (Action)lookup.get(DefaultEditorKit.selectWordAction);
   newmap.addActionForKeyStroke(W, actionW);
   area.setKeymap(newmap);
   JFrame f = new JFrame("KeymapExample");
   f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   f.getContentPane().add(new JScrollPane(area), BorderLayout.CENTER);
   area.setText("www.\n jexp \n .ru.");
   f.pack();
   f.setVisible(true);
 }
 public static class UpWord extends TextAction {
   public UpWord() {
     super("uppercase-word-action");
   }
   public void actionPerformed(ActionEvent e) {
     JTextComponent comp = getTextComponent(e);
     if (comp == null) return;
     Document doc = comp.getDocument();
     int start = comp.getSelectionStart();
     int end = comp.getSelectionEnd();
     try {
       int left = javax.swing.text.Utilities.getWordStart(comp, start);
       int right = javax.swing.text.Utilities.getWordEnd(comp, end);
       String word = doc.getText(left, right-left);
       doc.remove(left, right-left);
       doc.insertString(left, word.toUpperCase(), null);
       comp.setSelectionStart(start); // restore previous position/selection
       comp.setSelectionEnd(end);
     } catch (BadLocationException ble) { return; }
   }
 }

}

 </source>
   
  
 
  

DefaultEditorKit.writableAction

   <source lang="java">

import java.awt.BorderLayout; import javax.swing.Action; import javax.swing.JFrame; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTextArea; import javax.swing.text.DefaultEditorKit; public class Main {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Use TextAction");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   final JTextArea leftArea = new JTextArea();
   final JTextArea rightArea = new JTextArea();
   JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, new JScrollPane(leftArea),
       new JScrollPane(rightArea));
   splitPane.setDividerLocation(.5);
   
   JMenuBar menuBar = new JMenuBar();
   frame.setJMenuBar(menuBar);
   JMenu menu = new JMenu("Options");
   menuBar.add(menu);
   JMenuItem menuItem;
   Action readAction = leftArea.getActionMap().get(DefaultEditorKit.readOnlyAction);
   menuItem = menu.add(readAction);
   menuItem.setText("Make read-only");
   Action writeAction = leftArea.getActionMap().get(DefaultEditorKit.writableAction);
   menuItem = menu.add(writeAction);
   menuItem.setText("Make writable");
   menu.addSeparator();
   Action cutAction = leftArea.getActionMap().get(DefaultEditorKit.cutAction);
   menuItem = menu.add(cutAction);
   menuItem.setText("Cut");
   Action copyAction = leftArea.getActionMap().get(DefaultEditorKit.copyAction);
   menuItem = menu.add(copyAction);
   menuItem.setText("Copy");
   Action pasteAction = leftArea.getActionMap().get(DefaultEditorKit.pasteAction);
   menuItem = menu.add(pasteAction);
   menuItem.setText("Paste");
   frame.add(splitPane, BorderLayout.CENTER);
   frame.setSize(400, 250);
   frame.setVisible(true);
 }

}

 </source>