Java tutorial
/* * JCommon : a free general purpose class library for the Java(tm) platform * * * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jcommon/index.html * * This library 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 2.1 of the License, or * (at your option) any later version. * * This library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------- * StandardDialog.java * ------------------- * (C) Copyright 2000-2008, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): Arnaud Lelievre; * * $Id: StandardDialog.java,v 1.7 2008/12/18 09:57:32 mungady Exp $ * * Changes (from 26-Oct-2001) * -------------------------- * 26-Oct-2001 : Changed package to com.jrefinery.ui.*; * 08-Sep-2003 : Added internationalization via use of properties * resourceBundle (RFE 690236) (AL); * 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by * Jess Thrysoee (DG); * */ import java.awt.BorderLayout; import java.awt.Dialog; import java.awt.Frame; import java.awt.GridLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JDialog; import javax.swing.JPanel; /** * The base class for standard dialogs. * * @author David Gilbert */ public class StandardDialog extends JDialog implements ActionListener { /** Flag that indicates whether or not the dialog was cancelled. */ private boolean cancelled; /** * Standard constructor - builds a dialog... * * @param owner the owner. * @param title the title. * @param modal modal? */ public StandardDialog(final Frame owner, final String title, final boolean modal) { super(owner, title, modal); this.cancelled = false; } /** * Standard constructor - builds a dialog... * * @param owner the owner. * @param title the title. * @param modal modal? */ public StandardDialog(final Dialog owner, final String title, final boolean modal) { super(owner, title, modal); this.cancelled = false; } /** * Returns a flag that indicates whether or not the dialog has been * cancelled. * * @return boolean. */ public boolean isCancelled() { return this.cancelled; } /** * Handles clicks on the standard buttons. * * @param event the event. */ public void actionPerformed(final ActionEvent event) { final String command = event.getActionCommand(); if (command.equals("helpButton")) { // display help information } else if (command.equals("okButton")) { this.cancelled = false; setVisible(false); } else if (command.equals("cancelButton")) { this.cancelled = true; setVisible(false); } } /** * Builds and returns the user interface for the dialog. This method is * shared among the constructors. * * @return the button panel. */ protected JPanel createButtonPanel() { final L1R2ButtonPanel buttons = new L1R2ButtonPanel("Help", "OK", "Cancel"); final JButton helpButton = buttons.getLeftButton(); helpButton.setActionCommand("helpButton"); helpButton.addActionListener(this); final JButton okButton = buttons.getRightButton1(); okButton.setActionCommand("okButton"); okButton.addActionListener(this); final JButton cancelButton = buttons.getRightButton2(); cancelButton.setActionCommand("cancelButton"); cancelButton.addActionListener(this); buttons.setBorder(BorderFactory.createEmptyBorder(4, 0, 0, 0)); return buttons; } } /* * JCommon : a free general purpose class library for the Java(tm) platform * * * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jcommon/index.html * * This library 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 2.1 of the License, or * (at your option) any later version. * * This library 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 library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * -------------------- * L1R2ButtonPanel.java * -------------------- * (C) Copyright 2000-2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * $Id: L1R2ButtonPanel.java,v 1.4 2007/11/02 17:50:36 taqua Exp $ * * Changes (from 26-Oct-2001) * -------------------------- * 26-Oct-2001 : Changed package to com.jrefinery.ui.*; * 26-Jun-2002 : Removed unnecessary import (DG); * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG); * */ /** * A 'ready-made' panel that has one button on the left and two buttons on the right - nested * panels and layout managers take care of resizing. * * @author David Gilbert */ class L1R2ButtonPanel extends JPanel { /** The left button. */ private JButton left; /** The first button on the right of the panel. */ private JButton right1; /** The second button on the right of the panel. */ private JButton right2; /** * Standard constructor - creates a three button panel with the specified button labels. * * @param label1 the label for button 1. * @param label2 the label for button 2. * @param label3 the label for button 3. */ public L1R2ButtonPanel(final String label1, final String label2, final String label3) { setLayout(new BorderLayout()); // create the pieces... this.left = new JButton(label1); final JPanel rightButtonPanel = new JPanel(new GridLayout(1, 2)); this.right1 = new JButton(label2); this.right2 = new JButton(label3); rightButtonPanel.add(this.right1); rightButtonPanel.add(this.right2); // ...and put them together add(this.left, BorderLayout.WEST); add(rightButtonPanel, BorderLayout.EAST); } /** * Returns a reference to button 1, allowing the caller to set labels, action-listeners etc. * * @return the left button. */ public JButton getLeftButton() { return this.left; } /** * Returns a reference to button 2, allowing the caller to set labels, action-listeners etc. * * @return the right button 1. */ public JButton getRightButton1() { return this.right1; } /** * Returns a reference to button 3, allowing the caller to set labels, action-listeners etc. * * @return the right button 2. */ public JButton getRightButton2() { return this.right2; } }