Java example source code file (MetalworksFrame.java)

This example Java source code file (MetalworksFrame.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

actionlistener, awt, buttongroup, doclayer, event, gui, integer, jfilechooser, jinternalframe, jmenu, jmenubar, jmenuitem, jradiobuttonmenuitem, look, metalworks, metalworksprefs, open, swing

The MetalworksFrame.java Java example source code

/*
 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * This source code is provided to illustrate the usage of a given feature
 * or technique and has been deliberately simplified. Additional steps
 * required for a production-quality application, such as security checks,
 * input validation and proper error handling, might not be present in
 * this sample code.
 */



import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.InputStream;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JComponent;
import javax.swing.JDesktopPane;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.UIManager;
import javax.swing.plaf.metal.DefaultMetalTheme;
import javax.swing.plaf.metal.MetalTheme;
import javax.swing.plaf.metal.OceanTheme;


/**
 * This is the main container frame for the Metalworks demo app
 *
 * @author Steve Wilson
 * @author Alexander Kouznetsov
 */
@SuppressWarnings("serial")
public final class MetalworksFrame extends JFrame {

    JMenuBar menuBar;
    JDesktopPane desktop;
    JInternalFrame toolPalette;
    JCheckBoxMenuItem showToolPaletteMenuItem;
    static final Integer DOCLAYER = 5;
    static final Integer TOOLLAYER = 6;
    static final Integer HELPLAYER = 7;
    static final String ABOUTMSG = "Metalworks \n \nAn application written to "
            + "show off the Java Look & Feel. \n \nWritten by the JavaSoft "
            + "Look & Feel Team \n  Michael Albers\n  Tom Santos\n  "
            + "Jeff Shapiro\n  Steve Wilson";

    public MetalworksFrame() {
        super("Metalworks");
        final int inset = 50;
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        setBounds(inset, inset, screenSize.width - inset * 2, screenSize.height - inset
                * 2);
        buildContent();
        buildMenus();
        this.addWindowListener(new WindowAdapter() {

            @Override
            public void windowClosing(WindowEvent e) {
                quit();
            }
        });
        UIManager.addPropertyChangeListener(new UISwitchListener(
                (JComponent) getRootPane()));
    }

    protected void buildMenus() {
        menuBar = new JMenuBar();
        menuBar.setOpaque(true);
        JMenu file = buildFileMenu();
        JMenu edit = buildEditMenu();
        JMenu views = buildViewsMenu();
        JMenu speed = buildSpeedMenu();
        JMenu help = buildHelpMenu();

        // load a theme from a text file
        MetalTheme myTheme = null;
        try {
            InputStream istream = getClass().getResourceAsStream(
                    "/resources/MyTheme.theme");
            myTheme = new PropertiesMetalTheme(istream);
        } catch (NullPointerException e) {
            System.out.println(e);
        }

        // build an array of themes
        MetalTheme[] themes = { new OceanTheme(),
            new DefaultMetalTheme(),
            new GreenMetalTheme(),
            new AquaMetalTheme(),
            new KhakiMetalTheme(),
            new DemoMetalTheme(),
            new ContrastMetalTheme(),
            new BigContrastMetalTheme(),
            myTheme };

        // put the themes in a menu
        JMenu themeMenu = new MetalThemeMenu("Theme", themes);

        menuBar.add(file);
        menuBar.add(edit);
        menuBar.add(views);
        menuBar.add(themeMenu);
        menuBar.add(speed);
        menuBar.add(help);
        setJMenuBar(menuBar);
    }

    protected JMenu buildFileMenu() {
        JMenu file = new JMenu("File");
        JMenuItem newWin = new JMenuItem("New");
        JMenuItem open = new JMenuItem("Open");
        JMenuItem quit = new JMenuItem("Quit");

        newWin.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                newDocument();
            }
        });

        open.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                openDocument();
            }
        });

        quit.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                quit();
            }
        });

        file.add(newWin);
        file.add(open);
        file.addSeparator();
        file.add(quit);
        return file;
    }

    protected JMenu buildEditMenu() {
        JMenu edit = new JMenu("Edit");
        JMenuItem undo = new JMenuItem("Undo");
        JMenuItem copy = new JMenuItem("Copy");
        JMenuItem cut = new JMenuItem("Cut");
        JMenuItem paste = new JMenuItem("Paste");
        JMenuItem prefs = new JMenuItem("Preferences...");

        undo.setEnabled(false);
        copy.setEnabled(false);
        cut.setEnabled(false);
        paste.setEnabled(false);

        prefs.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                openPrefsWindow();
            }
        });

        edit.add(undo);
        edit.addSeparator();
        edit.add(cut);
        edit.add(copy);
        edit.add(paste);
        edit.addSeparator();
        edit.add(prefs);
        return edit;
    }

    protected JMenu buildViewsMenu() {
        JMenu views = new JMenu("Views");

        JMenuItem inBox = new JMenuItem("Open In-Box");
        JMenuItem outBox = new JMenuItem("Open Out-Box");
        outBox.setEnabled(false);

        inBox.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                openInBox();
            }
        });

        views.add(inBox);
        views.add(outBox);
        return views;
    }

    protected JMenu buildSpeedMenu() {
        JMenu speed = new JMenu("Drag");

        JRadioButtonMenuItem live = new JRadioButtonMenuItem("Live");
        JRadioButtonMenuItem outline = new JRadioButtonMenuItem("Outline");

        JRadioButtonMenuItem slow = new JRadioButtonMenuItem("Old and Slow");

        ButtonGroup group = new ButtonGroup();

        group.add(live);
        group.add(outline);
        group.add(slow);

        live.setSelected(true);

        slow.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                // for right now I'm saying if you set the mode
                // to something other than a specified mode
                // it will revert to the old way
                // This is mostly for comparison's sake
                desktop.setDragMode(-1);
            }
        });

        live.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                desktop.setDragMode(JDesktopPane.LIVE_DRAG_MODE);
            }
        });

        outline.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                desktop.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);
            }
        });


        speed.add(live);
        speed.add(outline);
        speed.add(slow);
        return speed;
    }

    protected JMenu buildHelpMenu() {
        JMenu help = new JMenu("Help");
        JMenuItem about = new JMenuItem("About Metalworks...");
        JMenuItem openHelp = new JMenuItem("Open Help Window");

        about.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                showAboutBox();
            }
        });

        openHelp.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                openHelpWindow();
            }
        });

        help.add(about);
        help.add(openHelp);

        return help;
    }

    protected void buildContent() {
        desktop = new JDesktopPane();
        getContentPane().add(desktop);
    }

    public void quit() {
        System.exit(0);
    }

    public void newDocument() {
        JInternalFrame doc = new MetalworksDocumentFrame();
        desktop.add(doc, DOCLAYER);
        try {
            doc.setVisible(true);
            doc.setSelected(true);
        } catch (java.beans.PropertyVetoException e2) {
        }
    }

    public void openDocument() {
        JFileChooser chooser = new JFileChooser();
        chooser.showOpenDialog(this);
    }

    public void openHelpWindow() {
        JInternalFrame help = new MetalworksHelp();
        desktop.add(help, HELPLAYER);
        try {
            help.setVisible(true);
            help.setSelected(true);
        } catch (java.beans.PropertyVetoException e2) {
        }
    }

    public void showAboutBox() {
        JOptionPane.showMessageDialog(this, ABOUTMSG);
    }

    public void openPrefsWindow() {
        MetalworksPrefs dialog = new MetalworksPrefs(this);
        dialog.setVisible(true);

    }

    public void openInBox() {
        JInternalFrame doc = new MetalworksInBox();
        desktop.add(doc, DOCLAYER);
        try {
            doc.setVisible(true);
            doc.setSelected(true);
        } catch (java.beans.PropertyVetoException e2) {
        }
    }
}