| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.swingset3.demos.frame; |
| |
| import java.awt.BorderLayout; |
| import java.awt.Color; |
| import java.awt.Dimension; |
| import java.awt.EventQueue; |
| import java.awt.Image; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.net.URL; |
| |
| import javax.imageio.ImageIO; |
| import javax.swing.Box; |
| import javax.swing.JButton; |
| import javax.swing.JCheckBox; |
| import javax.swing.JComponent; |
| import javax.swing.JFrame; |
| import javax.swing.JLabel; |
| import javax.swing.JMenu; |
| import javax.swing.JMenuBar; |
| import javax.swing.JPanel; |
| import javax.swing.JToolBar; |
| import javax.swing.SwingConstants; |
| import javax.swing.border.EmptyBorder; |
| import javax.swing.event.ChangeEvent; |
| import javax.swing.event.ChangeListener; |
| |
| import com.sun.swingset3.DemoProperties; |
| import com.sun.swingset3.demos.DemoUtilities; |
| |
| /** |
| * Demo for Swing's JFrame toplevel component. |
| * |
| * @author aim |
| */ |
| @DemoProperties( |
| value = "JFrame Demo", |
| category = "Toplevel Containers", |
| description = "Demonstrates JFrame, Swing's top-level primary window container.", |
| sourceFiles = { |
| "com/sun/swingset3/demos/frame/BusyGlass.java", |
| "com/sun/swingset3/demos/frame/FrameDemo.java", |
| "com/sun/swingset3/demos/DemoUtilities.java", |
| "com/sun/swingset3/demos/frame/resources/FrameDemo.html", |
| "com/sun/swingset3/demos/frame/resources/images/FrameDemo.gif" |
| } |
| ) |
| public class FrameDemo extends JPanel { |
| |
| public static final String DEMO_TITLE = FrameDemo.class.getAnnotation(DemoProperties.class).value(); |
| public static final String INTERNAL_FRAME = "Demo JFrame"; |
| public static final String MENU = "File"; |
| public static final String MENU_ITEM1 = "Open"; |
| public static final String MENU_ITEM2 = "Save"; |
| public static final String TOOLBAR = "Toolbar"; |
| public static final String TOOLBAR_BUTTON = "Toolbar Button"; |
| public static final String CONTENT_LABEL = "I'm content but a little blue."; |
| public static final String STATUS_LABEL = "I show status."; |
| public static final String SHOW_BUTTON = "Show JFrame..."; |
| public static final String BUSY_CHECKBOX = "Frame busy"; |
| public static final Dimension CONTENT_LABEL_SIZE = new Dimension(300, 160); |
| public static final Color CONTENT_LABEL_COLOR = new Color(197, 216, 236); |
| public static final int STATUS_LABEL_HOR_ALIGNMENT = JLabel.LEADING; |
| public static final EmptyBorder STATUS_LABEL_BORDER = new EmptyBorder(4, 4, 4, 4); |
| |
| //<snip>Ensure system menubar is used on Mac OSX |
| static { |
| // Property must be set *early* due to Apple Bug#3909714 |
| // ignored on other platforms |
| if (System.getProperty("os.name").equals("Mac OS X")) { |
| System.setProperty("apple.laf.useScreenMenuBar", "true"); |
| } |
| } |
| //</snip> |
| |
| // Toplevel frame component |
| private JFrame frame; |
| |
| private JComponent frameSpaceholder; |
| |
| public FrameDemo() { |
| initComponents(); |
| } |
| |
| protected void initComponents() { |
| frame = createFrame(); |
| |
| setLayout(new BorderLayout()); |
| add(createControlPanel(), BorderLayout.WEST); |
| frameSpaceholder = createFrameSpaceholder(frame); |
| add(frameSpaceholder, BorderLayout.CENTER); |
| } |
| |
| protected JComponent createControlPanel() { |
| Box controlPanel = Box.createVerticalBox(); |
| controlPanel.setBorder(new EmptyBorder(8, 8, 8, 8)); |
| |
| // Create button to control visibility of frame |
| JButton showButton = new JButton(SHOW_BUTTON); |
| showButton.addActionListener(new ShowActionListener()); |
| controlPanel.add(showButton); |
| |
| // Create checkbox to control busy state of frame |
| JCheckBox busyCheckBox = new JCheckBox(BUSY_CHECKBOX); |
| busyCheckBox.setSelected(false); |
| busyCheckBox.addChangeListener(new BusyChangeListener()); |
| controlPanel.add(busyCheckBox); |
| |
| return controlPanel; |
| } |
| |
| private static JComponent createFrameSpaceholder(JFrame frame) { |
| JPanel framePlaceholder = new JPanel(); |
| Dimension prefSize = frame.getPreferredSize(); |
| prefSize.width += 12; |
| prefSize.height += 12; |
| framePlaceholder.setPreferredSize(prefSize); |
| |
| return framePlaceholder; |
| } |
| |
| private static JFrame createFrame() { |
| |
| //<snip>Create frame and set simple properties |
| JFrame frame = new JFrame(INTERNAL_FRAME); |
| frame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE); |
| //</snip> |
| |
| //<snip>Set Minimized/titlebar icon Image |
| //Note: How the image is used is platform-dependent |
| Image iconImage = null; |
| try { |
| // todo: swingingduke.gif doesn't exist |
| URL imageURL = FrameDemo.class.getResource("resources/images/swingingduke.gif"); |
| iconImage = ImageIO.read(imageURL); |
| } catch (Exception e) { |
| // handle image IO exception |
| } |
| frame.setIconImage(iconImage); |
| //</snip> |
| |
| //<snip>Make toplevel "busy" |
| // busy glasspane is initially invisible |
| frame.setGlassPane(new BusyGlass()); |
| //</snip> |
| |
| //<snip>Add a menubar |
| JMenuBar menubar = new JMenuBar(); |
| frame.setJMenuBar(menubar); |
| JMenu menu = new JMenu(MENU); |
| menubar.add(menu); |
| menu.add(MENU_ITEM1); |
| menu.add(MENU_ITEM2); |
| //</snip> |
| |
| //<snip>Add a horizontal toolbar |
| JToolBar toolbar = new JToolBar(TOOLBAR); |
| frame.add(toolbar, BorderLayout.NORTH); |
| toolbar.add(new JButton(TOOLBAR_BUTTON)); |
| //</snip> |
| |
| //<snip>Add the content area |
| JLabel label = new JLabel(CONTENT_LABEL); |
| label.setHorizontalAlignment(JLabel.CENTER); |
| label.setPreferredSize(CONTENT_LABEL_SIZE); |
| label.setBackground(CONTENT_LABEL_COLOR); |
| label.setOpaque(true); // labels non-opaque by default |
| frame.add(label); |
| //snip |
| |
| //<snip>Add a statusbar |
| JLabel statusLabel = new JLabel(STATUS_LABEL); |
| statusLabel.setBorder(STATUS_LABEL_BORDER); |
| statusLabel.setHorizontalAlignment(STATUS_LABEL_HOR_ALIGNMENT); |
| frame.add(statusLabel, BorderLayout.SOUTH); |
| //</snip> |
| |
| //<snip>Initialize frame's size to fit it's content |
| frame.pack(); |
| //</snip> |
| |
| return frame; |
| } |
| |
| public void start() { |
| DemoUtilities.setToplevelLocation(frame, frameSpaceholder, SwingConstants.CENTER); |
| showFrame(); |
| } |
| |
| public void stop() { |
| //<snip>Hide frame |
| frame.setVisible(false); |
| //</snip> |
| } |
| |
| public void showFrame() { |
| //<snip>Show frame |
| // if frame already visible, then bring to the front |
| if (frame.isShowing()) { |
| frame.toFront(); |
| } else { |
| frame.setVisible(true); |
| } |
| //</snip> |
| } |
| |
| //<snip>Make toplevel "busy" |
| public void setFrameBusy(boolean busy) { |
| frame.getGlassPane().setVisible(busy); |
| // Must explicitly disable the menubar because on OSX it will be |
| // in the system menubar and not covered by the glasspane |
| frame.getJMenuBar().setEnabled(!busy); |
| } |
| |
| public boolean isFrameBusy() { |
| return frame.getGlassPane().isVisible(); |
| } |
| //</snip |
| |
| // remind(aim): replace with Beans binding |
| |
| private class ShowActionListener implements ActionListener { |
| public void actionPerformed(ActionEvent actionEvent) { |
| showFrame(); |
| } |
| } |
| |
| private class BusyChangeListener implements ChangeListener { |
| public void stateChanged(ChangeEvent changeEvent) { |
| JCheckBox busyCheckBox = (JCheckBox) changeEvent.getSource(); |
| setFrameBusy(busyCheckBox.isSelected()); |
| showFrame(); // bring frame back to front for demo purposes |
| } |
| } |
| |
| public static void main(String args[]) { |
| EventQueue.invokeLater(new Runnable() { |
| public void run() { |
| JFrame frame = new JFrame(DEMO_TITLE); |
| FrameDemo demo = new FrameDemo(); |
| frame.add(demo); |
| frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); |
| frame.pack(); |
| frame.setVisible(true); |
| demo.start(); |
| } |
| }); |
| } |
| } |