src/de/todesbaum/jsite/application/KeyDialog.java

   1 /*
   2  * jSite - KeyDialog.java - Copyright © 2010 David Roden
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18
  19 package de.todesbaum.jsite.application;
  20
  21 import java.awt.BorderLayout;
  22 import java.awt.Dimension;
  23 import java.awt.FlowLayout;
  24 import java.awt.GridBagConstraints;
  25 import java.awt.GridBagLayout;
  26 import java.awt.Insets;
  27 import java.awt.Toolkit;
  28 import java.awt.event.ActionEvent;
  29 import java.awt.event.InputEvent;
  30 import java.awt.event.KeyEvent;
  31 import java.awt.event.WindowAdapter;
  32 import java.awt.event.WindowEvent;
  33 import java.io.IOException;
  34 import java.text.MessageFormat;
  35
  36 import javax.swing.AbstractAction;
  37 import javax.swing.Action;
  38 import javax.swing.BorderFactory;
  39 import javax.swing.JButton;
  40 import javax.swing.JDialog;
  41 import javax.swing.JFrame;
  42 import javax.swing.JLabel;
  43 import javax.swing.JOptionPane;
  44 import javax.swing.JPanel;
  45 import javax.swing.JSeparator;
  46 import javax.swing.JTextField;
  47 import javax.swing.KeyStroke;
  48 import javax.swing.SwingConstants;
  49
  50 import de.todesbaum.jsite.i18n.I18n;
  51 import de.todesbaum.jsite.i18n.I18nContainer;
  52
  53 /**
  54  * A dialog that lets the user edit the private and public key for a project.
  55  *
  56  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  57  */
  58 public class KeyDialog extends JDialog {
  59
  60         /** Interface to the freenet node. */
  61         private final Freenet7Interface freenetInterface;
  62
  63         /** The public key. */
  64         private String publicKey;
  65
  66         /** The private key. */
  67         private String privateKey;
  68
  69         /** The “OK” button’s action. */
  70         private Action okAction;
  71
  72         /** The “Cancel” button’s action. */
  73         private Action cancelAction;
  74
  75         /** The “Regenerate” button’s action. */
  76         private Action generateAction;
  77
  78         /** The text field for the private key. */
  79         private JTextField privateKeyTextField;
  80
  81         /** The text field for the public key. */
  82         private JTextField publicKeyTextField;
  83
  84         /**
  85          * Creates a new key dialog.
  86          *
  87          * @param freenetInterface
  88          *            Interface to the freenet node
  89          * @param parent
  90          *            The parent frame
  91          */
  92         public KeyDialog(Freenet7Interface freenetInterface, JFrame parent) {
  93                 super(parent, I18n.getMessage("jsite.key-dialog.title"), true);
  94                 this.freenetInterface = freenetInterface;
  95                 addWindowListener(new WindowAdapter() {
  96
  97                         @Override
  98                         @SuppressWarnings("synthetic-access")
  99                         public void windowClosing(WindowEvent windowEvent) {
 100                                 actionCancel();
 101                         }
 102                 });
 103                 initDialog();
 104         }
 105
 106         //
 107         // ACCESSORS
 108         //
 109
 110         /**
 111          * Returns the public key.
 112          *
 113          * @return The public key
 114          */
 115         public String getPublicKey() {
 116                 return publicKey;
 117         }
 118
 119         /**
 120          * Sets the public key.
 121          *
 122          * @param publicKey
 123          *            The public key
 124          */
 125         public void setPublicKey(String publicKey) {
 126                 this.publicKey = publicKey;
 127                 publicKeyTextField.setText(publicKey);
 128                 pack();
 129         }
 130
 131         /**
 132          * Returns the private key.
 133          *
 134          * @return The private key
 135          */
 136         public String getPrivateKey() {
 137                 return privateKey;
 138         }
 139
 140         /**
 141          * Sets the private key.
 142          *
 143          * @param privateKey
 144          *            The private key
 145          */
 146         public void setPrivateKey(String privateKey) {
 147                 this.privateKey = privateKey;
 148                 privateKeyTextField.setText(privateKey);
 149                 pack();
 150         }
 151
 152         //
 153         // ACTIONS
 154         //
 155
 156         /**
 157          * {@inheritDoc}
 158          */
 159         @Override
 160         public void pack() {
 161                 super.pack();
 162                 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
 163                 setLocation((screenSize.width - getWidth()) / 2, (screenSize.height - getHeight()) / 2);
 164         }
 165
 166         //
 167         // PRIVATE METHODS
 168         //
 169
 170         /**
 171          * Creates all necessary actions.
 172          */
 173         private void createActions() {
 174                 okAction = new AbstractAction(I18n.getMessage("jsite.general.ok")) {
 175
 176                         @Override
 177                         @SuppressWarnings("synthetic-access")
 178                         public void actionPerformed(ActionEvent actionEvent) {
 179                                 actionOk();
 180                         }
 181                 };
 182                 okAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.ok.tooltip"));
 183                 okAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ENTER);
 184
 185                 cancelAction = new AbstractAction(I18n.getMessage("jsite.general.cancel")) {
 186
 187                         @Override
 188                         @SuppressWarnings("synthetic-access")
 189                         public void actionPerformed(ActionEvent actionEvent) {
 190                                 actionCancel();
 191                         }
 192                 };
 193                 cancelAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.cancel.tooltip"));
 194                 cancelAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ESCAPE);
 195
 196                 generateAction = new AbstractAction(I18n.getMessage("jsite.key-dialog.button.generate")) {
 197
 198                         @Override
 199                         @SuppressWarnings("synthetic-access")
 200                         public void actionPerformed(ActionEvent actionEvent) {
 201                                 actionGenerate();
 202                         }
 203                 };
 204                 generateAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.generate.tooltip"));
 205                 generateAction.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK));
 206         }
 207
 208         /**
 209          * Initializes the dialog and all its components.
 210          */
 211         private void initDialog() {
 212                 createActions();
 213                 JPanel dialogPanel = new JPanel(new BorderLayout(12, 12));
 214                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
 215
 216                 JPanel contentPanel = new JPanel(new GridBagLayout());
 217                 dialogPanel.add(contentPanel, BorderLayout.CENTER);
 218
 219                 final JLabel keysLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.keys"));
 220                 contentPanel.add(keysLabel, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
 221
 222                 final JLabel privateKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.private-key"));
 223                 contentPanel.add(privateKeyLabel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(12, 18, 0, 0), 0, 0));
 224
 225                 privateKeyTextField = new JTextField();
 226                 contentPanel.add(privateKeyTextField, new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(6, 12, 0, 0), 0, 0));
 227
 228                 final JLabel publicKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.public-key"));
 229                 contentPanel.add(publicKeyLabel, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(6, 18, 0, 0), 0, 0));
 230
 231                 publicKeyTextField = new JTextField();
 232                 contentPanel.add(publicKeyTextField, new GridBagConstraints(1, 2, 1, 1, 1.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(6, 12, 0, 0), 0, 0));
 233
 234                 final JLabel actionsLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.actions"));
 235                 contentPanel.add(actionsLabel, new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(12, 0, 0, 0), 0, 0));
 236
 237                 JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 238                 actionButtonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 239                 contentPanel.add(actionButtonPanel, new GridBagConstraints(0, 4, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.NONE, new Insets(12, 18, 0, 0), 0, 0));
 240
 241                 actionButtonPanel.add(new JButton(generateAction));
 242
 243                 JPanel separatorPanel = new JPanel(new BorderLayout(12, 12));
 244                 dialogPanel.add(separatorPanel, BorderLayout.PAGE_END);
 245                 separatorPanel.add(new JSeparator(SwingConstants.HORIZONTAL), BorderLayout.PAGE_START);
 246
 247                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
 248                 buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 249                 separatorPanel.add(buttonPanel, BorderLayout.CENTER);
 250                 buttonPanel.add(new JButton(okAction));
 251                 buttonPanel.add(new JButton(cancelAction));
 252
 253                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 254
 255                         @Override
 256                         public void run() {
 257                                 keysLabel.setText(I18n.getMessage("jsite.key-dialog.label.keys"));
 258                                 privateKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.private-key"));
 259                                 publicKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.public-key"));
 260                                 actionsLabel.setText(I18n.getMessage("jsite.key-dialog.label.actions"));
 261                         }
 262                 });
 263
 264                 getContentPane().add(dialogPanel, BorderLayout.CENTER);
 265                 pack();
 266                 setResizable(false);
 267         }
 268
 269         //
 270         // PRIVATE ACTIONS
 271         //
 272
 273         /**
 274          * Quits the dialog, accepting all changes.
 275          */
 276         private void actionOk() {
 277                 publicKey = publicKeyTextField.getText();
 278                 privateKey = privateKeyTextField.getText();
 279                 setVisible(false);
 280         }
 281
 282         /**
 283          * Quits the dialog, discarding all changes.
 284          */
 285         private void actionCancel() {
 286                 setVisible(false);
 287         }
 288
 289         /**
 290          * Generates a new key pair.
 291          */
 292         private void actionGenerate() {
 293                 if (JOptionPane.showConfirmDialog(this, I18n.getMessage("jsite.project.warning.generate-new-key"), null, JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
 294                         return;
 295                 }
 296                 String[] keyPair = null;
 297                 try {
 298                         keyPair = freenetInterface.generateKeyPair();
 299                 } catch (IOException ioe1) {
 300                         JOptionPane.showMessageDialog(this, MessageFormat.format(I18n.getMessage("jsite.project.keygen.io-error"), ioe1.getMessage()), null, JOptionPane.ERROR_MESSAGE);
 301                         return;
 302                 }
 303                 publicKeyTextField.setText(keyPair[1].substring(keyPair[1].indexOf('@') + 1, keyPair[1].lastIndexOf('/')));
 304                 privateKeyTextField.setText(keyPair[0].substring(keyPair[0].indexOf('@') + 1, keyPair[0].lastIndexOf('/')));
 305                 pack();
 306         }
 307
 308 }