в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:12:07Z

1 версия

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== 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>

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в 17:43, 31 мая 2010

Admin: 1 версия