/*****************************************************************
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.cayenne.modeler.dialog;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.WindowConstants;
import org.apache.cayenne.modeler.util.ModelerUtil;
import org.apache.cayenne.util.LocalizedStringsHandler;
import org.apache.cayenne.util.Util;
/**
* Displays the Cayenne license and build information.
*/
// Implementation note - the data displayed here is
// static and very simple, so there is no need to implement complex Scope MVC
// triad, though it might be beneficial to use strings file
public class AboutDialog extends JFrame implements FocusListener, KeyListener, MouseListener {
private JLabel license, info;
private static String infoString;
private static ImageIcon logoImage;
static ImageIcon getLogoImage() {
if (logoImage == null) {
logoImage = ModelerUtil.buildIcon("logo.jpg");
}
return logoImage;
}
/**
* Builds and returns CayenneModeler info string.
*/
static String getInfoString() {
if (infoString == null) {
double maxMemory = (double) Runtime.getRuntime().maxMemory() / 1024 / 1024;
double totalMemory = (double) Runtime.getRuntime().totalMemory() / 1024 / 1024;
double freeMemory = (double) Runtime.getRuntime().freeMemory() / 1024 / 1024;
StringBuffer buffer = new StringBuffer();
buffer.append("<html>");
buffer.append("<font size='-1' face='Arial,Helvetica'>");
buffer.append(ModelerUtil.getProperty("cayenne.modeler.about.info"));
buffer.append("</font>");
buffer.append("<font size='-2' face='Arial,Helvetica'>");
buffer.append("<br>JVM: " + System.getProperty("java.vm.name") + " " + System.getProperty("java.version"));
buffer.append(String.format("<br>Memory: used %.2f MB, max %.2f MB", totalMemory - freeMemory, maxMemory));
String version = LocalizedStringsHandler.getString("cayenne.version");
if (version != null) {
buffer.append("<br>Version: ").append(version);
}
String buildDate = LocalizedStringsHandler.getString("cayenne.build.date");
if (!Util.isEmptyString(buildDate)) {
buffer.append(" (").append(buildDate).append(")");
}
buffer.append("</font>");
buffer.append("</html>");
infoString = buffer.toString();
}
return infoString;
}
public AboutDialog() {
super();
final FlowLayout flowLayout = new FlowLayout();
getContentPane().setLayout(flowLayout);
getContentPane().setBackground(Color.WHITE);
this.setUndecorated(true);
this.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
addMouseListener(this);
addFocusListener(this);
addKeyListener(this);
setLocationRelativeTo(null); // centre on screen
final JPanel panel = new JPanel();
panel.setLayout(new GridBagLayout());
panel.setBackground(Color.WHITE);
getContentPane().add(panel);
JLabel image = new JLabel(getLogoImage());
panel.add(image, new GridBagConstraints());
license = new JLabel();
final GridBagConstraints gridBagConstraints_1 = new GridBagConstraints();
gridBagConstraints_1.fill = GridBagConstraints.HORIZONTAL;
gridBagConstraints_1.anchor = GridBagConstraints.NORTHWEST;
gridBagConstraints_1.gridx = 0;
gridBagConstraints_1.gridy = 1;
gridBagConstraints_1.insets = new Insets(0, 12, 0, 0);
panel.add(license, gridBagConstraints_1);
license.setText("<html><font size='-1' face='Arial,Helvetica'>Available under the Apache license.</font></html>");
info = new JLabel();
final GridBagConstraints gridBagConstraints_2 = new GridBagConstraints();
gridBagConstraints_2.fill = GridBagConstraints.HORIZONTAL;
gridBagConstraints_2.anchor = GridBagConstraints.NORTHWEST;
gridBagConstraints_2.gridx = 0;
gridBagConstraints_2.gridy = 2;
gridBagConstraints_2.insets = new Insets(6, 12, 12, 12);
panel.add(info, gridBagConstraints_2);
info.setText(getInfoString());
this.pack();
this.setLocationRelativeTo(null);
this.setVisible(true);
}
public void keyPressed(KeyEvent e) {
dispose();
}
public void focusLost(FocusEvent e) {
dispose();
}
public void focusGained(FocusEvent e) {
}
public void keyReleased(KeyEvent e) {
}
public void keyTyped(KeyEvent e) {
}
public void mouseClicked(MouseEvent e) {
dispose();
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mousePressed(MouseEvent e) {
}
public void mouseReleased(MouseEvent e) {
}
}