Add the specified text component with pop-up menus including select all, cut, copy and paste. - Java Swing

Java examples for Swing:JPopupMenu

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Description

Add the specified text component with pop-up menus including select all, cut, copy and paste.

Demo Code

/*/*  w ww .  j  a  v a  2  s.com*/
 * Copyright (c) 2011, 2020, Frank Jiang and/or its affiliates. All rights
 * reserved. SwingUtils.java is built in 2012-11-2.
 */
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Dimension;
import java.awt.FileDialog;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.lang.reflect.Method;
import javax.swing.JComboBox;
import javax.swing.JFileChooser;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPopupMenu;
import javax.swing.JToggleButton;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.filechooser.FileFilter;
import javax.swing.text.JTextComponent;

public class Main{
    /**
     * Add the specified text component with pop-up menus including select all,
     * cut, copy and paste. (all in Chinese, zh_CH with no shortcuts)
     * 
     * @param text
     *            the specified text component
     */
    public static void addTextJPopMenus(final JTextComponent text) {
        JPopupMenu popupMenu = new JPopupMenu();
        addPopup(text, popupMenu);
        JMenuItem mntmSelectAll = new JMenuItem(
                Messages.getString("SwingUtils.1")); //$NON-NLS-1$
        mntmSelectAll.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                text.selectAll();
            }
        });
        mntmSelectAll.setMnemonic('A');
        popupMenu.add(mntmSelectAll);
        JMenuItem mntmCut = new JMenuItem(
                Messages.getString("SwingUtils.2")); //$NON-NLS-1$
        mntmCut.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                text.cut();
            }
        });
        mntmCut.setMnemonic('T');
        popupMenu.add(mntmCut);
        JMenuItem mntmCopy = new JMenuItem(
                Messages.getString("SwingUtils.3")); //$NON-NLS-1$
        mntmCopy.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                text.copy();
            }
        });
        mntmCopy.setMnemonic('C');
        popupMenu.add(mntmCopy);
        JMenuItem mntmPaste = new JMenuItem(
                Messages.getString("SwingUtils.4")); //$NON-NLS-1$
        mntmPaste.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                text.paste();
            }
        });
        mntmPaste.setMnemonic('P');
        popupMenu.add(mntmPaste);
    }
    /**
     * Add the specified pop-up menu the specified component.
     * 
     * @param component
     *            the specified component
     * @param popup
     *            the specified pop-up menu
     */
    public static void addPopup(Component component, final JPopupMenu popup) {
        component.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                if (e.isPopupTrigger())
                    showMenu(e);
            }

            public void mouseReleased(MouseEvent e) {
                if (e.isPopupTrigger())
                    showMenu(e);
            }

            private void showMenu(MouseEvent e) {
                popup.show(e.getComponent(), e.getX(), e.getY());
            }
        });
    }
}

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