src/main/java/de/todesbaum/jsite/gui/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.gui;
  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.application.Freenet7Interface;
  51 import de.todesbaum.jsite.i18n.I18n;
  52 import de.todesbaum.jsite.i18n.I18nContainer;
  53
  54 /**
  55  * A dialog that lets the user edit the private and public key for a project.
  56  *
  57  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  58  */
  59 public class KeyDialog extends JDialog {
  60
  61         /** Interface to the freenet node. */
  62         private final Freenet7Interface freenetInterface;
  63
  64         /** The public key. */
  65         private String publicKey;
  66
  67         /** The private key. */
  68         private String privateKey;
  69
  70         /** The “OK” button’s action. */
  71         private Action okAction;
  72
  73         /** The “Cancel” button’s action. */
  74         private Action cancelAction;
  75
  76         /** The “Regenerate” button’s action. */
  77         private Action generateAction;
  78
  79         /** The text field for the private key. */
  80         private JTextField privateKeyTextField;
  81
  82         /** The text field for the public key. */
  83         private JTextField publicKeyTextField;
  84
  85         /** Whether the dialog was cancelled. */
  86         private boolean cancelled;
  87
  88         /**
  89          * Creates a new key dialog.
  90          *
  91          * @param freenetInterface
  92          *            Interface to the freenet node
  93          * @param parent
  94          *            The parent frame
  95          */
  96         public KeyDialog(Freenet7Interface freenetInterface, JFrame parent) {
  97                 super(parent, I18n.getMessage("jsite.key-dialog.title"), true);
  98                 this.freenetInterface = freenetInterface;
  99                 addWindowListener(new WindowAdapter() {
 100
 101                         @Override
 102                         @SuppressWarnings("synthetic-access")
 103                         public void windowClosing(WindowEvent windowEvent) {
 104                                 actionCancel();
 105                         }
 106                 });
 107                 initDialog();
 108         }
 109
 110         //
 111         // ACCESSORS
 112         //
 113
 114         /**
 115          * Returns whether the dialog was cancelled.
 116          *
 117          * @return {@code true} if the dialog was cancelled, {@code false} otherwise
 118          */
 119         public boolean wasCancelled() {
 120                 return cancelled;
 121         }
 122
 123         /**
 124          * Returns the public key.
 125          *
 126          * @return The public key
 127          */
 128         public String getPublicKey() {
 129                 return publicKey;
 130         }
 131
 132         /**
 133          * Sets the public key.
 134          *
 135          * @param publicKey
 136          *            The public key
 137          */
 138         public void setPublicKey(String publicKey) {
 139                 this.publicKey = publicKey;
 140                 publicKeyTextField.setText(publicKey);
 141                 pack();
 142         }
 143
 144         /**
 145          * Returns the private key.
 146          *
 147          * @return The private key
 148          */
 149         public String getPrivateKey() {
 150                 return privateKey;
 151         }
 152
 153         /**
 154          * Sets the private key.
 155          *
 156          * @param privateKey
 157          *            The private key
 158          */
 159         public void setPrivateKey(String privateKey) {
 160                 this.privateKey = privateKey;
 161                 privateKeyTextField.setText(privateKey);
 162                 pack();
 163         }
 164
 165         //
 166         // ACTIONS
 167         //
 168
 169         /**
 170          * {@inheritDoc}
 171          */
 172         @Override
 173         public void pack() {
 174                 super.pack();
 175                 Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
 176                 setLocation((screenSize.width - getWidth()) / 2, (screenSize.height - getHeight()) / 2);
 177         }
 178
 179         //
 180         // PRIVATE METHODS
 181         //
 182
 183         /**
 184          * Creates all necessary actions.
 185          */
 186         private void createActions() {
 187                 okAction = new AbstractAction(I18n.getMessage("jsite.general.ok")) {
 188
 189                         @Override
 190                         @SuppressWarnings("synthetic-access")
 191                         public void actionPerformed(ActionEvent actionEvent) {
 192                                 actionOk();
 193                         }
 194                 };
 195                 okAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.ok.tooltip"));
 196                 okAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ENTER);
 197
 198                 cancelAction = new AbstractAction(I18n.getMessage("jsite.general.cancel")) {
 199
 200                         @Override
 201                         @SuppressWarnings("synthetic-access")
 202                         public void actionPerformed(ActionEvent actionEvent) {
 203                                 actionCancel();
 204                         }
 205                 };
 206                 cancelAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.cancel.tooltip"));
 207                 cancelAction.putValue(Action.MNEMONIC_KEY, KeyEvent.VK_ESCAPE);
 208
 209                 generateAction = new AbstractAction(I18n.getMessage("jsite.key-dialog.button.generate")) {
 210
 211                         @Override
 212                         @SuppressWarnings("synthetic-access")
 213                         public void actionPerformed(ActionEvent actionEvent) {
 214                                 actionGenerate();
 215                         }
 216                 };
 217                 generateAction.putValue(Action.SHORT_DESCRIPTION, I18n.getMessage("jsite.key-dialog.button.generate.tooltip"));
 218                 generateAction.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_R, InputEvent.CTRL_DOWN_MASK));
 219         }
 220
 221         /**
 222          * Initializes the dialog and all its components.
 223          */
 224         private void initDialog() {
 225                 createActions();
 226                 JPanel dialogPanel = new JPanel(new BorderLayout(12, 12));
 227                 dialogPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
 228
 229                 JPanel contentPanel = new JPanel(new GridBagLayout());
 230                 dialogPanel.add(contentPanel, BorderLayout.CENTER);
 231
 232                 final JLabel keysLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.keys"));
 233                 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));
 234
 235                 final JLabel privateKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.private-key"));
 236                 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));
 237
 238                 privateKeyTextField = new JTextField();
 239                 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));
 240
 241                 final JLabel publicKeyLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.public-key"));
 242                 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));
 243
 244                 publicKeyTextField = new JTextField();
 245                 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));
 246
 247                 final JLabel actionsLabel = new JLabel(I18n.getMessage("jsite.key-dialog.label.actions"));
 248                 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));
 249
 250                 JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 251                 actionButtonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 252                 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));
 253
 254                 actionButtonPanel.add(new JButton(generateAction));
 255
 256                 JPanel separatorPanel = new JPanel(new BorderLayout(12, 12));
 257                 dialogPanel.add(separatorPanel, BorderLayout.PAGE_END);
 258                 separatorPanel.add(new JSeparator(SwingConstants.HORIZONTAL), BorderLayout.PAGE_START);
 259
 260                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
 261                 buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 262                 separatorPanel.add(buttonPanel, BorderLayout.CENTER);
 263                 buttonPanel.add(new JButton(okAction));
 264                 buttonPanel.add(new JButton(cancelAction));
 265
 266                 I18nContainer.getInstance().registerRunnable(new Runnable() {
 267
 268                         @Override
 269                         public void run() {
 270                                 keysLabel.setText(I18n.getMessage("jsite.key-dialog.label.keys"));
 271                                 privateKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.private-key"));
 272                                 publicKeyLabel.setText(I18n.getMessage("jsite.key-dialog.label.public-key"));
 273                                 actionsLabel.setText(I18n.getMessage("jsite.key-dialog.label.actions"));
 274                         }
 275                 });
 276
 277                 getContentPane().add(dialogPanel, BorderLayout.CENTER);
 278                 pack();
 279                 setResizable(false);
 280         }
 281
 282         //
 283         // PRIVATE ACTIONS
 284         //
 285
 286         /**
 287          * Quits the dialog, accepting all changes.
 288          */
 289         private void actionOk() {
 290                 publicKey = publicKeyTextField.getText();
 291                 privateKey = privateKeyTextField.getText();
 292                 cancelled = false;
 293                 setVisible(false);
 294         }
 295
 296         /**
 297          * Quits the dialog, discarding all changes.
 298          */
 299         private void actionCancel() {
 300                 cancelled = true;
 301                 setVisible(false);
 302         }
 303
 304         /**
 305          * Generates a new key pair.
 306          */
 307         private void actionGenerate() {
 308                 if (JOptionPane.showConfirmDialog(this, I18n.getMessage("jsite.project.warning.generate-new-key"), null, JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION) {
 309                         return;
 310                 }
 311                 String[] keyPair = null;
 312                 try {
 313                         keyPair = freenetInterface.generateKeyPair();
 314                 } catch (IOException ioe1) {
 315                         JOptionPane.showMessageDialog(this, MessageFormat.format(I18n.getMessage("jsite.project.keygen.io-error"), ioe1.getMessage()), null, JOptionPane.ERROR_MESSAGE);
 316                         return;
 317                 }
 318                 publicKeyTextField.setText(keyPair[1].substring(keyPair[1].indexOf('@') + 1, keyPair[1].lastIndexOf('/')));
 319                 privateKeyTextField.setText(keyPair[0].substring(keyPair[0].indexOf('@') + 1, keyPair[0].lastIndexOf('/')));
 320                 pack();
 321         }
 322
 323 }