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

   1 /*
   2  * jSite - KeyDialog.java - Copyright © 2010–2012 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         /** Whether the dialog was cancelled. */
  85         private boolean cancelled;
  86
  87         /**
  88          * Creates a new key dialog.
  89          *
  90          * @param freenetInterface
  91          *            Interface to the freenet node
  92          * @param parent
  93          *            The parent frame
  94          */
  95         public KeyDialog(Freenet7Interface freenetInterface, JFrame parent) {
  96                 super(parent, I18n.getMessage("jsite.key-dialog.title"), true);
  97                 this.freenetInterface = freenetInterface;
  98                 addWindowListener(new WindowAdapter() {
  99
 100                         @Override
 101                         @SuppressWarnings("synthetic-access")
 102                         public void windowClosing(WindowEvent windowEvent) {
 103                                 actionCancel();
 104                         }
 105                 });
 106                 initDialog();
 107         }
 108
 109         //
 110         // ACCESSORS
 111         //
 112
 113         /**
 114          * Returns whether the dialog was cancelled.
 115          *
 116          * @return {@code true} if the dialog was cancelled, {@code false} otherwise
 117          */
 118         public boolean wasCancelled() {
 119                 return cancelled;
 120         }
 121
 122         /**
 123          * Returns the public key.
 124          *
 125          * @return The public key
 126          */
 127         public String getPublicKey() {
 128                 return publicKey;
 129         }
 130
 131         /**
 132          * Sets the public key.
 133          *
 134          * @param publicKey
 135          *            The public key
 136          */
 137         public void setPublicKey(String publicKey) {
 138                 this.publicKey = publicKey;
 139                 publicKeyTextField.setText(publicKey);
 140                 pack();
 141         }
 142
 143         /**
 144          * Returns the private key.
 145          *
 146          * @return The private key
 147          */
 148         public String getPrivateKey() {
 149                 return privateKey;
 150         }
 151
 152         /**
 153          * Sets the private key.
 154          *
 155          * @param privateKey
 156          *            The private key
 157          */
 158         public void setPrivateKey(String privateKey) {
 159                 this.privateKey = privateKey;
 160                 privateKeyTextField.setText(privateKey);
 161                 pack();
 162         }
 163
 164         //
 165         // ACTIONS
 166         //
 167
 168         /**
 169          * {@inheritDoc}
 170          */
 171         @Override
 172         public void pack() {
 173                 super.pack();
 174                 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
 175                 setLocation((screenSize.width - getWidth()) / 2, (screenSize.height - getHeight()) / 2);
 176         }
 177
 178         //
 179         // PRIVATE METHODS
 180         //
 181
 182         /**
 183          * Creates all necessary actions.
 184          */
 185         private void createActions() {
 186                 okAction = new AbstractAction(I18n.getMessage("jsite.general.ok")) {
 187
 188                         @SuppressWarnings("synthetic-access")
 189                         public void actionPerformed(ActionEvent actionEvent) {
 190                                 actionOk();
 191                         }
 192                 };
 193                 okAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.ok.tooltip"));
 194                 okAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ENTER);
 195
 196                 cancelAction = new AbstractAction(I18n.getMessage("jsite.general.cancel")) {
 197
 198                         @SuppressWarnings("synthetic-access")
 199                         public void actionPerformed(ActionEvent actionEvent) {
 200                                 actionCancel();
 201                         }
 202                 };
 203                 cancelAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.cancel.tooltip"));
 204                 cancelAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ESCAPE);
 205
 206                 generateAction = new AbstractAction(I18n.getMessage("jsite.key-dialog.button.generate")) {
 207
 208                         @SuppressWarnings("synthetic-access")
 209                         public void actionPerformed(ActionEvent actionEvent) {
 210                                 actionGenerate();
 211                         }
 212                 };
 213                 generateAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.generate.tooltip"));
 214                 generateAction.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK));
 215         }
 216
 217         /**
 218          * Initializes the dialog and all its components.
 219          */
 220         private void initDialog() {
 221                 createActions();
 222                 JPanel dialogPanel = new JPanel(new BorderLayout(12, 12));
 223                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
 224
 225                 JPanel contentPanel = new JPanel(new GridBagLayout());
 226                 dialogPanel.add(contentPanel, BorderLayout.CENTER);
 227
 228                 final JLabel keysLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.keys"));
 229                 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));
 230
 231                 final JLabel privateKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.private-key"));
 232                 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));
 233
 234                 privateKeyTextField = new JTextField();
 235                 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));
 236
 237                 final JLabel publicKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.public-key"));
 238                 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));
 239
 240                 publicKeyTextField = new JTextField();
 241                 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));
 242
 243                 final JLabel actionsLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.actions"));
 244                 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));
 245
 246                 JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 247                 actionButtonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 248                 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));
 249
 250                 actionButtonPanel.add(new JButton(generateAction));
 251
 252                 JPanel separatorPanel = new JPanel(new BorderLayout(12, 12));
 253                 dialogPanel.add(separatorPanel, BorderLayout.PAGE_END);
 254                 separatorPanel.add(new JSeparator(SwingConstants.HORIZONTAL), BorderLayout.PAGE_START);
 255
 256                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
 257                 buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 258                 separatorPanel.add(buttonPanel, BorderLayout.CENTER);
 259                 buttonPanel.add(new JButton(okAction));
 260                 buttonPanel.add(new JButton(cancelAction));
 261
 262                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 263
 264                         public void run() {
 265                                 keysLabel.setText(I18n.getMessage("jsite.key-dialog.label.keys"));
 266                                 privateKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.private-key"));
 267                                 publicKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.public-key"));
 268                                 actionsLabel.setText(I18n.getMessage("jsite.key-dialog.label.actions"));
 269                         }
 270                 });
 271
 272                 getContentPane().add(dialogPanel, BorderLayout.CENTER);
 273                 pack();
 274                 setResizable(false);
 275         }
 276
 277         //
 278         // PRIVATE ACTIONS
 279         //
 280
 281         /**
 282          * Quits the dialog, accepting all changes.
 283          */
 284         private void actionOk() {
 285                 publicKey = publicKeyTextField.getText();
 286                 privateKey = privateKeyTextField.getText();
 287                 cancelled = false;
 288                 setVisible(false);
 289         }
 290
 291         /**
 292          * Quits the dialog, discarding all changes.
 293          */
 294         private void actionCancel() {
 295                 cancelled = true;
 296                 setVisible(false);
 297         }
 298
 299         /**
 300          * Generates a new key pair.
 301          */
 302         private void actionGenerate() {
 303                 if (JOptionPane.showConfirmDialog(this, I18n.getMessage("jsite.project.warning.generate-new-key"), null, JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
 304                         return;
 305                 }
 306                 String[] keyPair = null;
 307                 try {
 308                         keyPair = freenetInterface.generateKeyPair();
 309                 } catch (IOException ioe1) {
 310                         JOptionPane.showMessageDialog(this, MessageFormat.format(I18n.getMessage("jsite.project.keygen.io-error"), ioe1.getMessage()), null, JOptionPane.ERROR_MESSAGE);
 311                         return;
 312                 }
 313                 publicKeyTextField.setText(keyPair[1].substring(keyPair[1].indexOf('@') + 1, keyPair[1].lastIndexOf('/')));
 314                 privateKeyTextField.setText(keyPair[0].substring(keyPair[0].indexOf('@') + 1, keyPair[0].lastIndexOf('/')));
 315                 pack();
 316         }
 317
 318 }