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The source code// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/gui/action/AboutCommand.java,v 1.4 2004/02/13 02:21:36 sebb Exp $ /* * Copyright 2001-2004 The Apache Software Foundation. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package org.apache.jmeter.gui.action; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Container; import java.awt.Dimension; import java.awt.GridLayout; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.util.Collections; import java.util.HashSet; import java.util.Set; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import org.apache.jmeter.gui.GuiPackage; import org.apache.jmeter.util.JMeterUtils; /** * About Command. It may be extended in the future to add a list of * installed protocols, config options, etc. * * @author Berin Loritsch * @version CVS $Revision: 1.4 $ $Date: 2004/02/13 02:21:36 $ */ public class AboutCommand implements Command { private static Set commandSet; private static JDialog about; static { HashSet commands = new HashSet(); commands.add("about"); AboutCommand.commandSet = Collections.unmodifiableSet(commands); } /** * Handle the "about" action by displaying the "About Apache JMeter..." * dialog box. The Dialog Box is NOT modal, because those should be avoided * if at all possible. */ public void doAction(ActionEvent e) { if (e.getActionCommand().equals("about")) { this.about(); } } /** * Provide the list of Action names that are available in this command. */ public Set getActionNames() { return AboutCommand.commandSet; } /** * Called by about button. Raises about dialog. Currently the about box has * the product image and the copyright notice. The dialog box is centered * over the MainFrame. */ void about() { JFrame mainFrame = GuiPackage.getInstance().getMainFrame(); if (about == null) { about = new JDialog(mainFrame, "About Apache JMeter...", false); about.addMouseListener(new MouseAdapter() { public void mouseClicked(MouseEvent e) { about.setVisible(false); } }); JLabel jmeter = new JLabel(JMeterUtils.getImage("jmeter.jpg")); JLabel copyright = new JLabel( "Copyright (c) 1998-2003 The Apache Software Foundation", JLabel.CENTER); JLabel rights = new JLabel("All Rights Reserved.", JLabel.CENTER); JLabel version = new JLabel( "Apache JMeter Version " + JMeterUtils.getJMeterVersion(), JLabel.CENTER); JPanel infos = new JPanel(); infos.setOpaque(false); infos.setLayout(new GridLayout(0, 1)); infos.setBorder(new EmptyBorder(5, 5, 5, 5)); infos.add(copyright); infos.add(rights); infos.add(version); Container panel = about.getContentPane(); panel.setLayout(new BorderLayout()); panel.setBackground(Color.white); panel.add(jmeter, BorderLayout.NORTH); panel.add(infos, BorderLayout.SOUTH); } // NOTE: these lines center the about dialog in the // current window. Some older Swing versions have // a bug in getLocationOnScreen() and they may not // make this behave properly. Point p = mainFrame.getLocationOnScreen(); Dimension d1 = mainFrame.getSize(); Dimension d2 = about.getSize(); about.setLocation( p.x + (d1.width - d2.width) / 2, p.y + (d1.height - d2.height) / 2); about.pack(); about.setVisible(true); } } |
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