jcalendardemo.java

一个demo是关于swing

/*
 *  JCalendarDemo.java - Demonstration of JCalendar Java Bean
 *  Copyright (C) 2004 Kai Toedter
 *  [e-mail]
 *  www.toedter.com
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package com.toedter.calendar;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyDescriptor;
import java.lang.reflect.Method;
import java.net.URL;

import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JSplitPane;
import javax.swing.JTextField;
import javax.swing.JToolBar;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.plaf.basic.BasicSplitPaneDivider;
import javax.swing.plaf.basic.BasicSplitPaneUI;

import com.toedter.components.JLocaleChooser;
import com.toedter.components.JSpinField;
import com.toedter.components.JTitlePanel;

/**
 * A demonstration Applet for the JCalendar bean. The demo can also be started as Java application.
 *
 * @author Kai Toedter
 * @version 1.2
 */
public class JCalendarDemo extends JApplet implements PropertyChangeListener {
    private JSplitPane splitPane;
    private JPanel calendarPanel;
    private JComponent[] beans;
    private JPanel propertyPanel;
    private JTitlePanel propertyTitlePanel;
    private JTitlePanel componentTitlePanel;
    private JPanel componentPanel;
    private JToolBar toolBar;

    /**
     * Initializes the applet.
     */
    public void init() {
        // Set the JGoodies Plastic 3D look and feel
        initializeLookAndFeels();

        // initialize all beans to demo
        beans = new JComponent[6];
        beans[0] = new JCalendar();
        beans[1] = new JDateChooser();
        beans[2] = new JDayChooser();
        beans[3] = new JMonthChooser();
        beans[4] = new JYearChooser();
        beans[5] = new JSpinField();
        ((JSpinField) beans[5]).adjustWidthToMaximumValue();
        ((JYearChooser) beans[4]).setMaximum(((JSpinField) beans[5]).getMaximum());
        ((JYearChooser) beans[4]).adjustWidthToMaximumValue();

        getContentPane().setLayout(new BorderLayout());
        setJMenuBar(createMenuBar());

        toolBar = createToolBar();
        getContentPane().add(toolBar, BorderLayout.NORTH);

        splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
        splitPane.setBorder(BorderFactory.createLineBorder(Color.GRAY));
        splitPane.setDividerSize(4);

        BasicSplitPaneDivider divider = ((BasicSplitPaneUI) splitPane.getUI()).getDivider();

        if (divider != null) {
            divider.setBorder(null);
        }

        propertyPanel = new JPanel();
        componentPanel = new JPanel();

        URL iconURL = beans[0].getClass().getResource("images/" + beans[0].getName() +
                "Color16.gif");
        ImageIcon icon = new ImageIcon(iconURL);

        propertyTitlePanel = new JTitlePanel("Properties", null, propertyPanel,
                BorderFactory.createEmptyBorder(4, 4, 4, 4));

        componentTitlePanel = new JTitlePanel("Component", icon, componentPanel,
                BorderFactory.createEmptyBorder(4, 4, 0, 4));

        splitPane.setBottomComponent(propertyTitlePanel);
        splitPane.setTopComponent(componentTitlePanel);
        installBean(beans[0]);

        getContentPane().add(splitPane, BorderLayout.CENTER);
    }

    /**
     * Installs the Kunststoff and Plastic Look And Feels if available in classpath.
     */
    public final void initializeLookAndFeels() {
    	// if in classpath thry to load JGoodies Plastic Look & Feel
        try {
            UIManager.installLookAndFeel("JGoodies Plastic 3D",
                "com.jgoodies.plaf.plastic.Plastic3DLookAndFeel");
            UIManager.setLookAndFeel("com.jgoodies.plaf.plastic.Plastic3DLookAndFeel");
        } catch (Throwable t) {
        	try {
				UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
			}  catch (Exception e) {
				e.printStackTrace();
			}
        }
    }

    /**
     * Creates the menu bar
     *
     * @return Description of the Return Value
     */
    public JToolBar createToolBar() {
        // Create the tool bar
        toolBar = new JToolBar();
        toolBar.putClientProperty("jgoodies.headerStyle", "Both");
        toolBar.setRollover(true);
        toolBar.setFloatable(false);

        for (int i = 0; i < beans.length; i++) {
            Icon icon;
            JButton button;

            try {
                final JComponent bean = beans[i];
                URL iconURL = bean.getClass().getResource("images/" + bean.getName() +
                        "Color16.gif");
                icon = new ImageIcon(iconURL);

                button = new JButton(icon);

                ActionListener actionListener = new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                            installBean(bean);
                        }
                    };

                button.addActionListener(actionListener);
            } catch (Exception e) {
                System.out.println("JCalendarDemo.createToolBar(): " + e);
                button = new JButton(beans[i].getName());
            }

            button.setFocusPainted(false);
            toolBar.add(button);
        }

        return toolBar;
    }

    /**
     * Creates the menu bar
     *
     * @return Description of the Return Value
     */
    public JMenuBar createMenuBar() {
        // Create the menu bar
        JMenuBar menuBar = new JMenuBar();
        menuBar.putClientProperty("jgoodies.headerStyle", "Both");

        // Menu for all beans to demo
        JMenu componentsMenu = new JMenu("Components");
        componentsMenu.setMnemonic('C');

        menuBar.add(componentsMenu);

        for (int i = 0; i < beans.length; i++) {
            Icon icon;
            JMenuItem menuItem;

            try {
                URL iconURL = beans[i].getClass().getResource("images/" + beans[i].getName() +
                        "Color16.gif");
                icon = new ImageIcon(iconURL);
                menuItem = new JMenuItem(beans[i].getName(), icon);
            } catch (Exception e) {
                System.out.println("JCalendarDemo.createMenuBar(): " + e);
                menuItem = new JMenuItem(beans[i].getName());
            }

            componentsMenu.add(menuItem);

            final JComponent bean = beans[i];
            ActionListener actionListener = new ActionListener() {
                    public void actionPerformed(ActionEvent e) {
                        installBean(bean);
                    }
                };

            menuItem.addActionListener(actionListener);
        }

        // Menu for the look and feels (lnfs).
        UIManager.LookAndFeelInfo[] lnfs = UIManager.getInstalledLookAndFeels();

        ButtonGroup lnfGroup = new ButtonGroup();
        JMenu lnfMenu = new JMenu("Look&Feel");
        lnfMenu.setMnemonic('L');

        menuBar.add(lnfMenu);

        for (int i = 0; i < lnfs.length; i++) {
            if (!lnfs[i].getName().equals("CDE/Motif")) {
                JRadioButtonMenuItem rbmi = new JRadioButtonMenuItem(lnfs[i].getName());
                lnfMenu.add(rbmi);

                // preselect the current Look & feel
                rbmi.setSelected(UIManager.getLookAndFeel().getName().equals(lnfs[i].getName()));

                // store lool & feel info as client property
                rbmi.putClientProperty("lnf name", lnfs[i]);

                // create and add the item listener
                rbmi.addItemListener(
                // inlining
                new ItemListener() {
                        public void itemStateChanged(ItemEvent ie) {
                            JRadioButtonMenuItem rbmi2 = (JRadioButtonMenuItem) ie.getSource();

                            if (rbmi2.isSelected()) {
                                // get the stored look & feel info
                                UIManager.LookAndFeelInfo info = (UIManager.LookAndFeelInfo) rbmi2.getClientProperty(
                                        "lnf name");

                                try {
                                    UIManager.setLookAndFeel(info.getClassName());

                                    // update the complete application's
                                    // look & feel
                                    SwingUtilities.updateComponentTreeUI(JCalendarDemo.this);

                                    // set the split pane devider border to
                                    // null
                                    BasicSplitPaneDivider divider = ((BasicSplitPaneUI) splitPane.getUI()).getDivider();

                                    if (divider != null) {
                                        divider.setBorder(null);
                                    }
                                } catch (Exception e) {
                                    e.printStackTrace();

                                    System.err.println("Unable to set UI " + e.getMessage());
                                }
                            }
                        }