Java tutorial
/************************************************************************** OmegaT - Computer Assisted Translation (CAT) tool with fuzzy matching, translation memory, keyword search, glossaries, and translation leveraging into updated projects. Copyright (C) 2000-2006 Keith Godfrey and Maxym Mykhalchuk Home page: http://www.omegat.org/ Support center: http://groups.yahoo.com/group/OmegaT/ This file is part of OmegaT. OmegaT 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 3 of the License, or (at your option) any later version. OmegaT 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, see <http://www.gnu.org/licenses/>. **************************************************************************/ package org.omegat.gui.dialogs; import java.awt.Frame; import java.io.IOException; import java.net.URI; import java.nio.charset.StandardCharsets; import javax.swing.ImageIcon; import javax.swing.JDialog; import org.apache.commons.io.IOUtils; import org.omegat.help.Help; import org.omegat.util.OConsts; import org.omegat.util.OStrings; import org.omegat.util.Platform; import org.omegat.util.StringUtil; import org.omegat.util.gui.ResourcesUtil; import org.omegat.util.gui.StaticUIUtils; /** * About dialog, showing OmegaT version and information on contributors. * * @author Maxym Mykhalchuk * @author Henry Pijffers (henry.pijffers@saxnot.com) */ @SuppressWarnings("serial") public class AboutDialog extends JDialog { /** A return status code - returned if Cancel button has been pressed */ public static final int RET_CANCEL = 0; /** A return status code - returned if OK button has been pressed */ public static final int RET_OK = 1; /** Creates new form AboutDialog */ public AboutDialog(Frame parent) { super(parent, true); StaticUIUtils.setEscapeClosable(this); initComponents(); StaticUIUtils.setCaretUpdateEnabled(abouttext, false); abouttext.setText(StringUtil.format(OStrings.getString("ABOUTDIALOG_CONTRIBUTORS"), getContributors(), OStrings.getString("ABOUTDIALOG_LIBRARIES"))); versionLabel.setText(getVersionString()); Object[] args = { Runtime.getRuntime().totalMemory() / 1024 / 1024, Runtime.getRuntime().freeMemory() / 1024 / 1024, Runtime.getRuntime().maxMemory() / 1024 / 1024 }; String memoryUsage = StringUtil.format(OStrings.getString("MEMORY_USAGE"), args); memoryusage.setText(memoryUsage); String javaVersion = StringUtil.format(OStrings.getString("JAVA_VERSION"), System.getProperty("java.version"), Platform.is64Bit() ? 64 : 32); javaversion.setText(javaVersion); invalidate(); pack(); StaticUIUtils.fitInScreen(this); setLocationRelativeTo(parent); } private static String getContributors() { URI contributorsUri = Help.getHelpFileURI(OConsts.CONTRIBUTORS_FILE); String result = OStrings.getString("ABOUTDIALOG_CONTRIBUTORS_UNAVAILABLE"); if (contributorsUri != null) { try { result = IOUtils.toString(contributorsUri, StandardCharsets.UTF_8); result = wrap(result, 78).replaceAll("(?m)^", " "); } catch (IOException e) { // Ignore } } return result; } private static String wrap(String text, int length) { StringBuilder sb = new StringBuilder(); for (String line : text.split("\\n")) { if (sb.length() > 0) { sb.append(','); } for (String token : line.split("\\s")) { if (sb.length() + 1 + token.length() - sb.lastIndexOf("\n") > length) { sb.append('\n'); } if (sb.length() > 0 && sb.charAt(sb.length() - 1) != '\n') { sb.append(' '); } sb.append(token); } } return sb.toString(); } private String getVersionString() { if (!StringUtil.isEmpty(OStrings.UPDATE) && !OStrings.UPDATE.equals("0")) { return StringUtil.format(OStrings.getString("ABOUTDIALOG_VERSION_UPDATE_REVISION"), OStrings.VERSION, OStrings.UPDATE, OStrings.REVISION); } else { return StringUtil.format(OStrings.getString("ABOUTDIALOG_VERSION_REVISION"), OStrings.VERSION, OStrings.REVISION); } } /** @return the return status of this dialog - one of RET_OK or RET_CANCEL */ public int getReturnStatus() { return returnStatus; } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { buttonPanel = new javax.swing.JPanel(); jLabel2 = new javax.swing.JLabel(); jPanel1 = new javax.swing.JPanel(); licenseButton = new javax.swing.JButton(); okButton = new javax.swing.JButton(); jPanel2 = new javax.swing.JPanel(); javaversion = new javax.swing.JLabel(); memoryusage = new javax.swing.JLabel(); versionLabel = new javax.swing.JLabel(); aboutpane = new javax.swing.JScrollPane(); abouttext = new javax.swing.JTextArea(); setTitle(OStrings.getString("ABOUTDIALOG_TITLE")); // NOI18N setModal(true); addWindowListener(new java.awt.event.WindowAdapter() { public void windowClosing(java.awt.event.WindowEvent evt) { closeDialog(evt); } }); getContentPane().setLayout(new java.awt.BorderLayout(5, 5)); buttonPanel.setBorder(javax.swing.BorderFactory.createEmptyBorder(5, 5, 5, 5)); buttonPanel.setLayout(new java.awt.BorderLayout()); org.openide.awt.Mnemonics.setLocalizedText(jLabel2, OStrings.getString("ABOUTDIALOG_COPYRIGHT")); // NOI18N jLabel2.setBorder(javax.swing.BorderFactory.createEmptyBorder(5, 5, 5, 5)); buttonPanel.add(jLabel2, java.awt.BorderLayout.WEST); org.openide.awt.Mnemonics.setLocalizedText(licenseButton, OStrings.getString("ABOUTDIALOG_LICENSE_BUTTON")); // NOI18N licenseButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { licenseButtonActionPerformed(evt); } }); jPanel1.add(licenseButton); org.openide.awt.Mnemonics.setLocalizedText(okButton, OStrings.getString("BUTTON_OK")); // NOI18N okButton.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { okButtonActionPerformed(evt); } }); jPanel1.add(okButton); buttonPanel.add(jPanel1, java.awt.BorderLayout.EAST); jPanel2.setLayout(new java.awt.GridLayout(0, 1)); org.openide.awt.Mnemonics.setLocalizedText(javaversion, OStrings.getString("JAVA_VERSION")); // NOI18N jPanel2.add(javaversion); org.openide.awt.Mnemonics.setLocalizedText(memoryusage, OStrings.getString("MEMORY_USAGE")); // NOI18N jPanel2.add(memoryusage); buttonPanel.add(jPanel2, java.awt.BorderLayout.NORTH); getContentPane().add(buttonPanel, java.awt.BorderLayout.SOUTH); versionLabel.setIcon(new ImageIcon(ResourcesUtil.APP_ICON_32X32)); org.openide.awt.Mnemonics.setLocalizedText(versionLabel, OStrings.getString("ABOUTDIALOG_VERSION_REVISION")); // NOI18N versionLabel.setBorder(javax.swing.BorderFactory.createEmptyBorder(5, 5, 5, 5)); getContentPane().add(versionLabel, java.awt.BorderLayout.NORTH); aboutpane.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER); abouttext.setEditable(false); abouttext.setBackground(javax.swing.UIManager.getDefaults().getColor("Label.background")); abouttext.setFont(versionLabel.getFont()); abouttext.setLineWrap(true); abouttext.setText(OStrings.getString("ABOUTDIALOG_CONTRIBUTORS")); // NOI18N abouttext.setWrapStyleWord(true); abouttext.setBorder(javax.swing.BorderFactory.createEmptyBorder(3, 3, 3, 3)); abouttext.setCaretPosition(0); aboutpane.setViewportView(abouttext); getContentPane().add(aboutpane, java.awt.BorderLayout.CENTER); }// </editor-fold>//GEN-END:initComponents private void licenseButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_licenseButtonActionPerformed new LicenseDialog(this).setVisible(true); }//GEN-LAST:event_licenseButtonActionPerformed private void okButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_okButtonActionPerformed doClose(RET_OK); }//GEN-LAST:event_okButtonActionPerformed /** Closes the dialog */ private void closeDialog(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_closeDialog doClose(RET_CANCEL); }//GEN-LAST:event_closeDialog private void doClose(int retStatus) { returnStatus = retStatus; setVisible(false); dispose(); } // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JScrollPane aboutpane; private javax.swing.JTextArea abouttext; private javax.swing.JPanel buttonPanel; private javax.swing.JLabel jLabel2; private javax.swing.JPanel jPanel1; private javax.swing.JPanel jPanel2; private javax.swing.JLabel javaversion; private javax.swing.JButton licenseButton; private javax.swing.JLabel memoryusage; private javax.swing.JButton okButton; private javax.swing.JLabel versionLabel; // End of variables declaration//GEN-END:variables private int returnStatus = RET_CANCEL; }