📄 nmoptiondialog.java
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/* * Copyright (C) 2003 Adam Olsen * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 1, 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 General Public License for more details. * You should have received a copy of the GNU 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.valhalla.gui;import java.awt.BorderLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.util.ArrayList;import java.util.Hashtable;import javax.swing.BorderFactory;import javax.swing.Box;import javax.swing.BoxLayout;import javax.swing.Icon;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.SwingConstants;import javax.swing.UIManager;/** * This class allows for the creation of a non-modal option dialog * * @author Adam Olsen * @created October 22, 2004 * @version 1.0 */public class NMOptionDialog extends JDialog { private JPanel mainPanel; private ArrayList listeners = new ArrayList(); private JPanel buttonPanel = new JPanel(); private ButtonListener listener = new ButtonListener(); private Hashtable buttons = new Hashtable(); /** * Information type */ public static final int INFORMATION = 1; /** * warning type */ public static final int WARNING = 2; /** * question type */ public static final int QUESTION = 3; /** * error type */ public static final int ERROR = 4; /** * Creates the non-modal option dialog * * @param parent * the dialog's parent * @param title * the text to use in the title bar of the dialog * @param message * the message to display in the dialog's JLabel * @param icon * the icon to display in the icon section */ public NMOptionDialog(JFrame parent, String title, String message, int icon) { super(parent, title); mainPanel = (JPanel) getContentPane(); mainPanel.setLayout(new BorderLayout()); message = message.replaceAll("\n", "<br>"); JLabel messageLabel = new JLabel("<html>" + message + "</html>", SwingConstants.CENTER); messageLabel.setBorder(BorderFactory.createEmptyBorder(5, 15, 5, 15)); mainPanel.add(messageLabel, BorderLayout.CENTER); mainPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); JPanel bottomPanel = new JPanel(); bottomPanel.setLayout(new BoxLayout(bottomPanel, BoxLayout.X_AXIS)); bottomPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); bottomPanel.add(Box.createHorizontalGlue()); bottomPanel.add(buttonPanel); bottomPanel.add(Box.createHorizontalGlue()); buttonPanel.setLayout(new BoxLayout(buttonPanel, BoxLayout.X_AXIS)); mainPanel.add(bottomPanel, BorderLayout.SOUTH); JLabel iconLabel = new JLabel(getIconFromNum(icon)); iconLabel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 5)); mainPanel.add(iconLabel, BorderLayout.WEST); pack(); setLocationRelativeTo(null); addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { } }); } /** * Constructor that creates an NMOptionDialog with an Information icon * * @param parent * the dialog's parent * @param title * the text to use in the title bar of the dialog * @param message * the message to display in the dialog's JLabel */ public NMOptionDialog(JFrame parent, String title, String message) { this(parent, title, message, INFORMATION); } /** * Returns the icon corresponding to the number value * * @param num * the number of the icon to get * @return the icon corresponding to the specified number */ public Icon getIconFromNum(int num) { String name = "OptionPane."; if (num == ERROR) { name += "error"; } else if (num == INFORMATION) { name += "information"; } else if (num == WARNING) { name += "warning"; } else if (num == QUESTION) { name += "question"; } name += "Icon"; return UIManager.getIcon(name); } /** * Creates a message dialog with only an "OK" button * * @param parent * the dialog' parent * @param title * the text to use in the title bar of the dialog * @param message * the message to display in the dialog's label * @return a NMOptionDialog with only an OK button */ public static NMOptionDialog createMessageDialog(JFrame parent, String title, String message) { NMOptionDialog d = new NMOptionDialog(parent, title, message, INFORMATION); d.addButton("OK", 1); d.setVisible(true); return d; } /** * Adds a button to the dialog * * @param text * the text to put on the button * @param num * the number of the button */ public void addButton(String text, int num) { JButton button = new JButton(text); buttonPanel.add(button); button.addActionListener(listener); pack(); validate(); repaint(); buttons.put(text, new Integer(num)); } /** * Adds a listener to this dialog * * @param l * The feature to be added to the OptionListener attribute */ public void addOptionListener(NMOptionListener l) { listeners.add(l); } /** * Called by the NMOption panel buttons * * @author synic * @created October 22, 2004 */ class ButtonListener implements ActionListener { /** * Called by the NMOption panel buttons * * @param e * the event */ public void actionPerformed(ActionEvent e) { JButton button = (JButton) e.getSource(); String name = button.getText(); Integer num = (Integer) buttons.get(name); for (int i = 0; i < listeners.size(); i++) { NMOptionListener l = (NMOptionListener) listeners.get(i); l.buttonClicked(num.intValue()); } dispose(); } }}⌨️ 快捷键说明
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