src/net/pterodactylus/jsite/gui/FileManager.java

   1 /*
   2  * jSite2 - FileManager.java -
   3  * Copyright © 2008 David Roden
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 package net.pterodactylus.jsite.gui;
  21
  22 import java.awt.BorderLayout;
  23 import java.awt.Color;
  24 import java.awt.Component;
  25 import java.awt.Dimension;
  26 import java.awt.FlowLayout;
  27 import java.awt.Font;
  28 import java.awt.GridBagConstraints;
  29 import java.awt.GridBagLayout;
  30 import java.awt.Insets;
  31 import java.awt.Point;
  32 import java.awt.event.ActionEvent;
  33 import java.awt.event.ActionListener;
  34 import java.awt.event.MouseEvent;
  35 import java.awt.event.MouseListener;
  36 import java.beans.PropertyChangeEvent;
  37 import java.beans.PropertyChangeListener;
  38 import java.io.File;
  39 import java.util.ArrayList;
  40 import java.util.Collections;
  41 import java.util.HashMap;
  42 import java.util.List;
  43 import java.util.Map;
  44 import java.util.logging.Level;
  45 import java.util.logging.Logger;
  46
  47 import javax.swing.BorderFactory;
  48 import javax.swing.JButton;
  49 import javax.swing.JCheckBox;
  50 import javax.swing.JDialog;
  51 import javax.swing.JLabel;
  52 import javax.swing.JOptionPane;
  53 import javax.swing.JPanel;
  54 import javax.swing.JPopupMenu;
  55 import javax.swing.JScrollPane;
  56 import javax.swing.JTextField;
  57 import javax.swing.JTree;
  58 import javax.swing.event.TreeModelEvent;
  59 import javax.swing.event.TreeModelListener;
  60 import javax.swing.event.TreeSelectionEvent;
  61 import javax.swing.event.TreeSelectionListener;
  62 import javax.swing.tree.DefaultTreeCellRenderer;
  63 import javax.swing.tree.TreeModel;
  64 import javax.swing.tree.TreePath;
  65
  66 import net.pterodactylus.jsite.i18n.I18n;
  67 import net.pterodactylus.jsite.i18n.I18nable;
  68 import net.pterodactylus.jsite.i18n.gui.I18nAction;
  69 import net.pterodactylus.jsite.i18n.gui.I18nLabel;
  70 import net.pterodactylus.jsite.i18n.gui.I18nMenu;
  71 import net.pterodactylus.jsite.project.FileOverride;
  72 import net.pterodactylus.jsite.project.Project;
  73 import net.pterodactylus.jsite.project.ProjectFile;
  74 import net.pterodactylus.util.logging.Logging;
  75 import net.pterodactylus.util.swing.SwingUtils;
  76
  77 /**
  78  * Manages physical and virtual files in a project.
  79  *
  80  * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
  81  */
  82 public class FileManager extends JDialog implements I18nable, ActionListener, TreeSelectionListener, MouseListener {
  83
  84         /** Logger. */
  85         private static final Logger logger = Logging.getLogger(FileManager.class.getName());
  86
  87         /** The Swing interface. */
  88         private final SwingInterface swingInterface;
  89
  90         /** The project whose files to manage. */
  91         private final Project project;
  92
  93         /** The tree model for the project files. */
  94         private final ProjectFileTreeModel fileTreeModel;
  95
  96         /** The tree cell renderer. */
  97         private final FileCellRenderer fileCellRenderer;
  98
  99         /** The “rescan” action. */
 100         private I18nAction rescanAction;
 101
 102         /** The “close” action. */
 103         private I18nAction closeAction;
 104
 105         /** The “set default file” action. */
 106         private I18nAction setDefaultFileAction;
 107
 108         /** The “insert” action. */
 109         private I18nAction insertAction;
 110
 111         /** The “project files” label. */
 112         private I18nLabel projectFilesLabel;
 113
 114         /** The tree that shows the files. */
 115         private JTree fileTree;
 116
 117         /** The scroll pane that holds the file tree. */
 118         private JScrollPane fileScrollPane;
 119
 120         /** The “file properties” label. */
 121         private I18nLabel filePropertiesLabel;
 122
 123         /** The “file path” label. */
 124         private I18nLabel filePathLabel;
 125
 126         /** The “file path” textfield. */
 127         private JTextField filePathTextField;
 128
 129         /** The “file name” label. */
 130         private I18nLabel fileNameLabel;
 131
 132         /** The “file name” textfield. */
 133         private JTextField fileNameTextField;
 134
 135         /** The “file size” label. */
 136         private I18nLabel fileSizeLabel;
 137
 138         /** The “file size” text field. */
 139         private JTextField fileSizeTextField;
 140
 141         /** The “override” label. */
 142         private I18nLabel overrideLabel;
 143
 144         /** The “override active” action. */
 145         private I18nAction overrideAction;
 146
 147         /** The “override action” checkbox. */
 148         private JCheckBox overrideCheckBox;
 149
 150         /** The context menu for the tree. */
 151         private JPopupMenu treeContextMenu;
 152
 153         /** The “apply override” menu. */
 154         private I18nMenu overrideMenu;
 155
 156         /** The “apply insert override” action. */
 157         private I18nAction applyInsertOverrideAction;
 158
 159         /** The “apply mime type override” action. */
 160         private I18nAction applyMimeTypeOverrideAction;
 161
 162         /**
 163          * Creates a new file manager.
 164          *
 165          * @param swingInterface
 166          *            The Swing interface
 167          * @param project
 168          *            The project whose files to manage
 169          */
 170         public FileManager(SwingInterface swingInterface, Project project) {
 171                 super(swingInterface.getMainWindow(), I18n.get("fileManager.title", project.getName()), true);
 172                 logger.log(Level.FINEST, "project: " + project);
 173                 this.swingInterface = swingInterface;
 174                 this.project = project;
 175                 fileTreeModel = new ProjectFileTreeModel();
 176                 project.addPropertyChangeListener(fileTreeModel);
 177                 fileCellRenderer = new FileCellRenderer();
 178                 initActions();
 179                 initComponents();
 180                 pack();
 181                 SwingUtils.center(this);
 182         }
 183
 184         //
 185         // ACTIONS
 186         //
 187
 188         /**
 189          * @see java.awt.Component#setVisible(boolean)
 190          */
 191         @Override
 192         public void setVisible(boolean visible) {
 193                 if (visible) {
 194                         initiateFileScan();
 195                 }
 196                 super.setVisible(visible);
 197         }
 198
 199         //
 200         // PRIVATE METHODS
 201         //
 202
 203         /**
 204          * Initializes all actions.
 205          */
 206         private void initActions() {
 207                 closeAction = new I18nAction("fileManager.button.close") {
 208
 209                         /**
 210                          * {@inheritDoc}
 211                          */
 212                         @SuppressWarnings("synthetic-access")
 213                         public void actionPerformed(ActionEvent e) {
 214                                 String defaultFile = project.getDefaultFile();
 215                                 if ((defaultFile == null) || (defaultFile.length() == 0)) {
 216                                         /* TODO - i18n */
 217                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
 218                                         return;
 219                                 }
 220                                 ProjectFile projectFile = project.getFile(defaultFile);
 221                                 if (projectFile == null) {
 222                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
 223                                         return;
 224                                 }
 225                                 setVisible(false);
 226                         }
 227                 };
 228                 rescanAction = new I18nAction("fileManager.button.rescan") {
 229
 230                         /**
 231                          * {@inheritDoc}
 232                          */
 233                         @SuppressWarnings("synthetic-access")
 234                         public void actionPerformed(ActionEvent actionEvent) {
 235                                 initiateFileScan();
 236                         }
 237                 };
 238                 setDefaultFileAction = new I18nAction("fileManager.menu.item.setDefaultFile") {
 239
 240                         /**
 241                          * {@inheritDoc}
 242                          */
 243                         @SuppressWarnings("synthetic-access")
 244                         public void actionPerformed(ActionEvent actionEvent) {
 245                                 TreePath selectedPath = fileTree.getSelectionPath();
 246                                 if (selectedPath == null) {
 247                                         logger.log(Level.WARNING, "nothing selected!");
 248                                         return;
 249                                 }
 250                                 ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPath.getLastPathComponent();
 251                                 if (isHidden(projectFileWrapper)) {
 252                                         /* TODO - i18n */
 253                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
 254                                         return;
 255                                 }
 256                                 if (projectFileWrapper.getProjectFile().isDirectory()) {
 257                                         /* TODO - i18n */
 258                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
 259                                         return;
 260                                 }
 261                                 String completePath = projectFileWrapper.getProjectFile().getCompletePath();
 262                                 project.setDefaultFile(completePath);
 263                         }
 264                 };
 265                 insertAction = new I18nAction("fileManager.menu.item.insert") {
 266
 267                         /**
 268                          * {@inheritDoc}
 269                          */
 270                         public void actionPerformed(ActionEvent e) {
 271                                 /* TODO */
 272                         }
 273                 };
 274                 overrideAction = new I18nAction("fileManager.checkbox.overrideActive") {
 275
 276                         /**
 277                          * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
 278                          */
 279                         public void actionPerformed(ActionEvent actionEvent) {
 280                                 /* TODO */
 281                         }
 282                 };
 283                 applyInsertOverrideAction = new I18nAction("fileManager.menu.item.applyInsertOverride") {
 284
 285                         /**
 286                          * {@inheritDoc}
 287                          */
 288                         @SuppressWarnings("synthetic-access")
 289                         public void actionPerformed(ActionEvent actionEvent) {
 290                                 applyInsertOverride();
 291                         }
 292                 };
 293                 applyMimeTypeOverrideAction = new I18nAction("fileManager.menu.item.applyMimeTypeOverride") {
 294
 295                         /**
 296                          * {@inheritDoc}
 297                          */
 298                         @SuppressWarnings("synthetic-access")
 299                         public void actionPerformed(ActionEvent actionEvent) {
 300                                 applyMimeTypeOverride();
 301                         }
 302                 };
 303         }
 304
 305         /**
 306          * Initializes all components.
 307          */
 308         private void initComponents() {
 309                 treeContextMenu = new JPopupMenu();
 310                 treeContextMenu.add(setDefaultFileAction);
 311
 312                 overrideMenu = new I18nMenu("fileManager.menu.override");
 313                 treeContextMenu.add(overrideMenu);
 314
 315                 overrideMenu.add(applyInsertOverrideAction);
 316                 overrideMenu.add(applyMimeTypeOverrideAction);
 317
 318                 JPanel contentPanel = new JPanel(new BorderLayout(12, 12));
 319                 contentPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
 320
 321                 contentPanel.add(createFileManagerPanel(), BorderLayout.CENTER);
 322                 contentPanel.add(createButtonPanel(), BorderLayout.PAGE_END);
 323
 324                 setContentPane(contentPanel);
 325         }
 326
 327         /**
 328          * Creates the main panel with the file tree and the file properties.
 329          *
 330          * @return The mail panel
 331          */
 332         private Component createFileManagerPanel() {
 333                 JPanel fileManagerPanel = new JPanel(new BorderLayout(12, 12));
 334
 335                 /* file tree panel */
 336                 JPanel fileTreePanel = new JPanel(new BorderLayout(12, 12));
 337                 fileManagerPanel.add(fileTreePanel, BorderLayout.LINE_START);
 338
 339                 fileTree = new JTree(fileTreeModel);
 340                 fileTree.setShowsRootHandles(false);
 341                 fileTree.addTreeSelectionListener(this);
 342                 fileTree.addMouseListener(this);
 343                 fileTree.setCellRenderer(fileCellRenderer);
 344                 fileTreePanel.add(fileScrollPane = new JScrollPane(fileTree), BorderLayout.CENTER);
 345                 fileScrollPane.setPreferredSize(new Dimension(200, 350));
 346
 347                 projectFilesLabel = new I18nLabel("fileManager.label.projectFiles", fileTree);
 348                 JPanel projectFilesLabelPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0));
 349                 fileTreePanel.add(projectFilesLabelPanel, BorderLayout.NORTH);
 350                 projectFilesLabelPanel.add(projectFilesLabel);
 351
 352                 /* the right panel */
 353                 JPanel rightPanel = new JPanel(new BorderLayout(12, 12));
 354                 fileManagerPanel.add(rightPanel, BorderLayout.CENTER);
 355
 356                 /* properties panel */
 357                 JPanel propertiesPanel = new JPanel(new GridBagLayout());
 358                 rightPanel.add(propertiesPanel, BorderLayout.CENTER);
 359                 propertiesPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(), BorderFactory.createEmptyBorder(12, 12, 12, 12)));
 360                 propertiesPanel.setPreferredSize(new Dimension(400, 350));
 361
 362                 filePropertiesLabel = new I18nLabel("fileManager.label.fileProperties");
 363                 filePropertiesLabel.setFont(filePropertiesLabel.getFont().deriveFont(Font.BOLD));
 364                 propertiesPanel.add(filePropertiesLabel, new GridBagConstraints(0, 0, 2, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
 365
 366                 filePathLabel = new I18nLabel("fileManager.label.filePath");
 367                 filePathTextField = new JTextField();
 368                 filePathTextField.setEditable(false);
 369                 propertiesPanel.add(filePathLabel, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 24, 0, 0), 0, 0));
 370                 propertiesPanel.add(filePathTextField, new GridBagConstraints(1, 1, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 12, 0, 0), 0, 0));
 371
 372                 fileNameLabel = new I18nLabel("fileManager.label.fileName");
 373                 fileNameTextField = new JTextField();
 374                 fileNameTextField.setEditable(false);
 375                 propertiesPanel.add(fileNameLabel, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 24, 0, 0), 0, 0));
 376                 propertiesPanel.add(fileNameTextField, new GridBagConstraints(1, 2, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 12, 0, 0), 0, 0));
 377
 378                 fileSizeLabel = new I18nLabel("fileManager.label.fileSize");
 379                 fileSizeTextField = new JTextField();
 380                 fileSizeTextField.setEditable(false);
 381                 propertiesPanel.add(fileSizeLabel, new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 24, 0, 0), 0, 0));
 382                 propertiesPanel.add(fileSizeTextField, new GridBagConstraints(1, 3, 1, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 12, 0, 0), 0, 0));
 383
 384                 /* override settings. */
 385                 overrideLabel = new I18nLabel("fileManager.label.override");
 386                 overrideLabel.setFont(overrideLabel.getFont().deriveFont(Font.BOLD));
 387                 propertiesPanel.add(overrideLabel, new GridBagConstraints(0, 4, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(24, 0, 0, 0), 0, 0));
 388
 389                 overrideCheckBox = new JCheckBox(overrideAction);
 390                 propertiesPanel.add(overrideCheckBox, new GridBagConstraints(0, 5, 2, 1, 1.0, 0.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(12, 24, 0, 0), 0, 0));
 391
 392                 /* glue panel. */
 393                 propertiesPanel.add(new JPanel(), new GridBagConstraints(0, 6, 2, 1, 1.0, 1.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
 394
 395                 /* action button panel */
 396                 JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
 397                 rightPanel.add(actionButtonPanel, BorderLayout.PAGE_END);
 398                 actionButtonPanel.setBorder(BorderFactory.createEtchedBorder());
 399
 400                 JButton rescanButton = new JButton(rescanAction);
 401                 actionButtonPanel.add(rescanButton);
 402
 403                 return fileManagerPanel;
 404         }
 405
 406         /**
 407          * Creates the button panel.
 408          *
 409          * @return The button panel
 410          */
 411         private Component createButtonPanel() {
 412                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
 413
 414                 buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
 415                 JButton closeButton = new JButton(closeAction);
 416                 buttonPanel.add(closeButton);
 417
 418                 getRootPane().setDefaultButton(closeButton);
 419                 return buttonPanel;
 420         }
 421
 422         /**
 423          * Initiates a file scan.
 424          */
 425         private void initiateFileScan() {
 426                 swingInterface.getThreadPool().execute(new Runnable() {
 427
 428                         /**
 429                          * @see java.lang.Runnable#run()
 430                          */
 431                         @SuppressWarnings("synthetic-access")
 432                         public void run() {
 433                                 fileTree.setEnabled(false);
 434                                 rescanAction.setEnabled(false);
 435                                 ProjectFile baseProjectFile = project.getBaseFile();
 436                                 if (baseProjectFile != null) {
 437                                         fileTreeModel.setBaseProjectFile(baseProjectFile);
 438                                 }
 439                                 // fileScrollPane.revalidate();
 440                                 rescanAction.setEnabled(true);
 441                                 fileTree.setEnabled(true);
 442                         }
 443
 444                 });
 445         }
 446
 447         /**
 448          * Checks whether the given mouse event is a popup trigger and occured over
 449          * a file. If so, the context menu is shown.
 450          *
 451          * @param mouseEvent
 452          *            The mouse event to check
 453          */
 454         private void maybeShowContextMenu(MouseEvent mouseEvent) {
 455                 if (!mouseEvent.isPopupTrigger()) {
 456                         return;
 457                 }
 458                 Point eventLocation = mouseEvent.getPoint();
 459                 TreePath[] selectedPaths = fileTree.getSelectionPaths();
 460                 if ((selectedPaths == null) || (selectedPaths.length == 0)) {
 461                         /* try to find item under click. */
 462                         TreePath clickedPath = fileTree.getPathForLocation(mouseEvent.getX(), mouseEvent.getY());
 463                         if (clickedPath != null) {
 464                                 fileTree.setSelectionPath(clickedPath);
 465                                 selectedPaths = new TreePath[] { clickedPath };
 466                         } else {
 467                                 logger.log(Level.FINER, "nothing selected for context menu");
 468                                 return;
 469                         }
 470                 }
 471                 if (selectedPaths.length == 1) {
 472                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPaths[0].getLastPathComponent();
 473                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 474                         setDefaultFileAction.setEnabled(!isHidden(projectFileWrapper) && projectFile.isFile() && !projectFile.getCompletePath().equals(project.getDefaultFile()));
 475                 } else {
 476                         setDefaultFileAction.setEnabled(false);
 477                 }
 478                 treeContextMenu.show(fileTree, eventLocation.x, eventLocation.y);
 479         }
 480
 481         /**
 482          * Finds whether the {@link ProjectFile} given by
 483          * <code>projectFileWrapper</code> is hidden.
 484          *
 485          * @param projectFileWrapper
 486          *            The wrapped project file
 487          * @return <code>true</code> if the file is hidden and should not be
 488          *         inserted, <code>false</code> otherwise
 489          */
 490         private boolean isHidden(ProjectFileWrapper projectFileWrapper) {
 491                 ProjectFile projectFile = projectFileWrapper.getProjectFile();
 492                 FileOverride fileOverride = project.getFileOverrides().get(projectFile.getCompletePath());
 493                 return ((fileOverride == null) && projectFile.isHidden()) || ((fileOverride != null) && (fileOverride.isInsert()));
 494         }
 495
 496         /**
 497          * Opens the “apply insert override” dialog and lets the user apply an
 498          * override for the “insert” setting for multiple files.
 499          */
 500         private void applyInsertOverride() {
 501                 JCheckBox insertCheckBox = new JCheckBox(I18n.get("fileManager.checkbox.insertFile.name"));
 502                 String okString = I18n.get("general.button.okay.name");
 503                 String cancelString = I18n.get("general.button.cancel.name");
 504                 int choice = JOptionPane.showOptionDialog(this, new Object[] { I18n.get("fileManager.dialog.insertOverride.message"), insertCheckBox }, I18n.get("fileManager.dialog.insertOverride.title"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, new Object[] { okString, cancelString }, okString);
 505                 logger.log(Level.FINEST, "choice: " + choice);
 506                 if ((choice == JOptionPane.CLOSED_OPTION) || (choice == 1)) {
 507                         return;
 508                 }
 509                 logger.log(Level.INFO, "selected insert override: " + insertCheckBox.isSelected());
 510                 TreePath[] selectedPaths = fileTree.getSelectionPaths();
 511                 for (TreePath selectedPath: selectedPaths) {
 512                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPath.getLastPathComponent();
 513                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 514                         if (!projectFile.isFile()) {
 515                                 continue;
 516                         }
 517                         FileOverride fileOverride = project.getFileOverride(projectFile);
 518                         if (fileOverride == null) {
 519                                 fileOverride = new FileOverride();
 520                                 project.addFileOverride(projectFile, fileOverride);
 521                         }
 522                         fileOverride.setInsert(insertCheckBox.isSelected());
 523                 }
 524         }
 525
 526         /**
 527          * Opens the “apply mime type override” dialog and lets the user apply an
 528          * override for the “mime type” setting for multiple files.
 529          */
 530         private void applyMimeTypeOverride() {
 531                 /* TODO */
 532         }
 533
 534         //
 535         // INTERFACE I18nable
 536         //
 537
 538         /**
 539          * {@inheritDoc}
 540          */
 541         public void updateI18n() {
 542                 setTitle(I18n.get("fileManager.title", project.getName()));
 543                 projectFilesLabel.updateI18n();
 544                 filePropertiesLabel.updateI18n();
 545                 filePathLabel.updateI18n();
 546         }
 547
 548         //
 549         // INTERFACE TreeSelectionListener
 550         //
 551
 552         /**
 553          * {@inheritDoc}
 554          */
 555         public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
 556                 TreePath[] selectedPaths = fileTree.getSelectionPaths();
 557                 filePathTextField.setText("");
 558                 fileNameTextField.setText("");
 559                 fileSizeTextField.setText("");
 560                 if ((selectedPaths != null) && (selectedPaths.length == 1)) {
 561                         Object lastPathComponent = selectedPaths[0].getLastPathComponent();
 562                         if (!(lastPathComponent instanceof ProjectFileWrapper)) {
 563                                 logger.log(Level.SEVERE, "lastPathComponent is not a ProjectFileWrapper!");
 564                                 return;
 565                         }
 566                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) lastPathComponent;
 567                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 568                         if (projectFile.isFile()) {
 569                                 String completePath = projectFile.getCompletePath();
 570                                 int lastSeparator = completePath.lastIndexOf(File.separatorChar);
 571                                 if (lastSeparator == -1) {
 572                                         filePathTextField.setText("");
 573                                 } else {
 574                                         filePathTextField.setText(completePath.substring(0, lastSeparator));
 575                                 }
 576                                 fileNameTextField.setText(projectFile.getName());
 577                                 fileSizeTextField.setText(String.valueOf(projectFile.getSize()));
 578                         }
 579                 } else if ((selectedPaths != null) && (selectedPaths.length > 1)) {
 580                         /* TODO */
 581                 }
 582         }
 583
 584         //
 585         // INTERFACE ActionListener
 586         //
 587
 588         /**
 589          * {@inheritDoc}
 590          */
 591         public void actionPerformed(ActionEvent actionEvent) {
 592                 /* TODO */
 593         }
 594
 595         //
 596         // INTERFACE MouseListener
 597         //
 598
 599         /**
 600          * {@inheritDoc}
 601          */
 602         public void mouseClicked(MouseEvent mouseEvent) {
 603                 maybeShowContextMenu(mouseEvent);
 604         }
 605
 606         /**
 607          * {@inheritDoc}
 608          */
 609         public void mouseEntered(MouseEvent mouseEvent) {
 610                 /* ignore. */
 611         }
 612
 613         /**
 614          * {@inheritDoc}
 615          */
 616         public void mouseExited(MouseEvent mouseEvent) {
 617                 /* ignore. */
 618         }
 619
 620         /**
 621          * {@inheritDoc}
 622          */
 623         public void mousePressed(MouseEvent mouseEvent) {
 624                 maybeShowContextMenu(mouseEvent);
 625         }
 626
 627         /**
 628          * {@inheritDoc}
 629          */
 630         public void mouseReleased(MouseEvent mouseEvent) {
 631                 maybeShowContextMenu(mouseEvent);
 632         }
 633
 634         /**
 635          * Tree cell renderer that takes care of certain display properties for
 636          * project-specific stuff.
 637          *
 638          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
 639          */
 640         private class FileCellRenderer extends DefaultTreeCellRenderer {
 641
 642                 /**
 643                  * Empty constructor.
 644                  */
 645                 FileCellRenderer() {
 646                         /* do nothing. */
 647                 }
 648
 649                 /**
 650                  * @see javax.swing.tree.TreeCellRenderer#getTreeCellRendererComponent(javax.swing.JTree,
 651                  *      java.lang.Object, boolean, boolean, boolean, int, boolean)
 652                  */
 653                 @SuppressWarnings("synthetic-access")
 654                 @Override
 655                 public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
 656                         Component superCellRenderer = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
 657                         if (!(superCellRenderer instanceof JLabel)) {
 658                                 logger.log(Level.SEVERE, "superCellRenderer is not a JLabel!");
 659                                 return superCellRenderer;
 660                         }
 661                         if (!(value instanceof ProjectFileWrapper)) {
 662                                 logger.log(Level.SEVERE, "value is not a ProjectFileWrapper!");
 663                                 return superCellRenderer;
 664                         }
 665                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) value;
 666                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 667                         String completePath = projectFile.getCompletePath();
 668                         boolean paintBold = false;
 669                         boolean paintHalfColor = false;
 670                         if (projectFile.isFile() && projectFile.isHidden()) {
 671                                 /* TODO - check override */
 672                                 paintHalfColor = true;
 673                         } else if (completePath.equals(project.getDefaultFile())) {
 674                                 paintBold = true;
 675                         } else if (projectFile.getParents().size() == 1) {
 676                                 paintBold = true;
 677                         }
 678                         if (paintHalfColor) {
 679                                 /* TODO - cache colors */
 680                                 Color foreground = superCellRenderer.getForeground();
 681                                 Color background = selected ? getBackgroundSelectionColor() : getBackgroundNonSelectionColor();
 682                                 Color averageColor = new Color((foreground.getRed() + background.getRed()) / 2, (foreground.getGreen() + background.getGreen()) / 2, (foreground.getBlue() + background.getBlue()) / 2);
 683                                 superCellRenderer.setForeground(averageColor);
 684                         } else {
 685                                 superCellRenderer.setForeground(selected ? getTextSelectionColor() : getTextNonSelectionColor());
 686                         }
 687                         if (paintBold) {
 688                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.BOLD));
 689                         } else {
 690                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.PLAIN));
 691                         }
 692                         return superCellRenderer;
 693                 }
 694
 695         }
 696
 697         /**
 698          * TreeModel that is based on {@link Project#getBaseFile()}.
 699          *
 700          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
 701          */
 702         private class ProjectFileTreeModel implements TreeModel, PropertyChangeListener {
 703
 704                 /** Tree model listeners. */
 705                 private final List<TreeModelListener> treeModelListeners = Collections.synchronizedList(new ArrayList<TreeModelListener>());
 706
 707                 /** The base project file. */
 708                 private ProjectFile baseProjectFile;
 709
 710                 /** Maps path names to project files. */
 711                 private final Map<String, ProjectFile> pathProjectFiles = Collections.synchronizedMap(new HashMap<String, ProjectFile>());
 712
 713                 /** Maps project files to wrappers. */
 714                 private final Map<ProjectFile, ProjectFileWrapper> projectFileWrappers = Collections.synchronizedMap(new HashMap<ProjectFile, ProjectFileWrapper>());
 715
 716                 /**
 717                  * Empty constructor.
 718                  */
 719                 ProjectFileTreeModel() {
 720                         /* do nothing. */
 721                 }
 722
 723                 //
 724                 // EVENT MANAGEMENT
 725                 //
 726
 727                 /**
 728                  * {@inheritDoc}
 729                  */
 730                 public void addTreeModelListener(TreeModelListener treeModelListener) {
 731                         treeModelListeners.add(treeModelListener);
 732                 }
 733
 734                 /**
 735                  * {@inheritDoc}
 736                  */
 737                 public void removeTreeModelListener(TreeModelListener treeModelListener) {
 738                         treeModelListeners.remove(treeModelListener);
 739                 }
 740
 741                 /**
 742                  * Notifies all listeners that a node has changed.
 743                  *
 744                  * @param changedProjectFileWrapper
 745                  *            The wrapper around the changed project file
 746                  */
 747                 protected void fireTreeNodesChanged(ProjectFileWrapper changedProjectFileWrapper) {
 748                         ProjectFile changedProjectFile = changedProjectFileWrapper.getProjectFile();
 749                         ProjectFile changedProjectFileParent = changedProjectFile.getParent();
 750                         ProjectFile currentProjectFileParent = changedProjectFile;
 751                         List<ProjectFileWrapper> parentProjectFileWrappers = new ArrayList<ProjectFileWrapper>();
 752                         do {
 753                                 parentProjectFileWrappers.add(0, projectFileWrappers.get(currentProjectFileParent));
 754                                 currentProjectFileParent = currentProjectFileParent.getParent();
 755                         } while (currentProjectFileParent != null);
 756                         TreeModelEvent treeModelEvent = new TreeModelEvent(this, parentProjectFileWrappers.toArray(), new int[] { getIndexOfChild(projectFileWrappers.get(changedProjectFileParent), changedProjectFileWrapper) }, new Object[] { changedProjectFileWrapper });
 757                         for (TreeModelListener treeModelListener: treeModelListeners) {
 758                                 treeModelListener.treeNodesChanged(treeModelEvent);
 759                         }
 760                 }
 761
 762                 /**
 763                  * Notifies all listeners that the tree structure has changed
 764                  * significantly.
 765                  *
 766                  * @see TreeModelListener#treeStructureChanged(TreeModelEvent)
 767                  * @param newRootNode
 768                  */
 769                 protected void fireTreeStructureChanged(ProjectFileWrapper newRootNode) {
 770                         for (TreeModelListener treeModelListener: treeModelListeners) {
 771                                 treeModelListener.treeStructureChanged(new TreeModelEvent(this, new Object[] { newRootNode }));
 772                         }
 773                 }
 774
 775                 //
 776                 // ACCESSORS
 777                 //
 778
 779                 /**
 780                  * Sets the new base project file. This causes the model to reload.
 781                  *
 782                  * @param baseProjectFile
 783                  *            The new base project file
 784                  */
 785                 @SuppressWarnings("synthetic-access")
 786                 public synchronized void setBaseProjectFile(ProjectFile baseProjectFile) {
 787                         this.baseProjectFile = baseProjectFile;
 788                         projectFileWrappers.clear();
 789                         pathProjectFiles.clear();
 790                         createWrappers(baseProjectFile);
 791                         projectFileWrappers.get(baseProjectFile).setNameOverride(project.getName());
 792                         fireTreeStructureChanged(projectFileWrappers.get(baseProjectFile));
 793                 }
 794
 795                 //
 796                 // PRIVATE METHODS
 797                 //
 798
 799                 /**
 800                  * Creates {@link ProjectFileWrapper}s for all files below the given
 801                  * project file.
 802                  *
 803                  * @param projectFile
 804                  *            The base project file for all project files to create
 805                  *            wrappers for
 806                  */
 807                 private void createWrappers(ProjectFile projectFile) {
 808                         projectFileWrappers.put(projectFile, new ProjectFileWrapper(projectFile));
 809                         pathProjectFiles.put(projectFile.getCompletePath(), projectFile);
 810                         for (ProjectFile projectFileChild: projectFile.getFiles()) {
 811                                 if (projectFileChild.isDirectory()) {
 812                                         createWrappers(projectFileChild);
 813                                 }
 814                                 projectFileWrappers.put(projectFileChild, new ProjectFileWrapper(projectFileChild));
 815                                 pathProjectFiles.put(projectFileChild.getCompletePath(), projectFileChild);
 816                         }
 817                 }
 818
 819                 //
 820                 // INTERFACE TreeModel
 821                 //
 822
 823                 /**
 824                  * {@inheritDoc}
 825                  */
 826                 public Object getRoot() {
 827                         return projectFileWrappers.get(baseProjectFile);
 828                 }
 829
 830                 /**
 831                  * {@inheritDoc}
 832                  */
 833                 @SuppressWarnings("synthetic-access")
 834                 public Object getChild(Object parent, int index) {
 835                         if (!(parent instanceof ProjectFileWrapper)) {
 836                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
 837                                 return null;
 838                         }
 839                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
 840                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 841                         return projectFileWrappers.get(projectFile.getFiles().get(index));
 842                 }
 843
 844                 /**
 845                  * {@inheritDoc}
 846                  */
 847                 @SuppressWarnings("synthetic-access")
 848                 public int getChildCount(Object parent) {
 849                         if (!(parent instanceof ProjectFileWrapper)) {
 850                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
 851                                 return -1;
 852                         }
 853                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
 854                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 855                         return projectFile.getFiles().size();
 856                 }
 857
 858                 /**
 859                  * {@inheritDoc}
 860                  */
 861                 @SuppressWarnings("synthetic-access")
 862                 public int getIndexOfChild(Object parent, Object child) {
 863                         if (!(parent instanceof ProjectFileWrapper)) {
 864                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
 865                                 return -1;
 866                         }
 867                         if (!(child instanceof ProjectFileWrapper)) {
 868                                 logger.log(Level.SEVERE, "child is not a ProjectFileWrapper!");
 869                                 return -1;
 870                         }
 871                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
 872                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
 873                         return projectFile.getFiles().indexOf(((ProjectFileWrapper) child).getProjectFile());
 874                 }
 875
 876                 /**
 877                  * {@inheritDoc}
 878                  */
 879                 @SuppressWarnings("synthetic-access")
 880                 public boolean isLeaf(Object node) {
 881                         if (!(node instanceof ProjectFileWrapper)) {
 882                                 logger.log(Level.SEVERE, "node is not a ProjectFileWrapper!");
 883                                 return true;
 884                         }
 885                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) node;
 886                         return projectFileWrapper.getProjectFile().isFile();
 887                 }
 888
 889                 /**
 890                  * {@inheritDoc}
 891                  */
 892                 public void valueForPathChanged(TreePath path, Object newValue) {
 893                         /* ignore, items will not be modified in tree. */
 894                 }
 895
 896                 //
 897                 // INTERFACE PropertyChangeListener
 898                 //
 899
 900                 /**
 901                  * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
 902                  */
 903                 @SuppressWarnings("synthetic-access")
 904                 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
 905                         if (Project.PROPERTY_DEFAULT_FILE.equals(propertyChangeEvent.getPropertyName())) {
 906                                 if (propertyChangeEvent.getOldValue() != null) {
 907                                         String oldCompletePath = (String) propertyChangeEvent.getOldValue();
 908                                         ProjectFile oldProjectFile = pathProjectFiles.get(oldCompletePath);
 909                                         ProjectFileWrapper oldProjectFileWrapper = projectFileWrappers.get(oldProjectFile);
 910                                         System.out.println("oldProjectFileWrapper: " + oldProjectFileWrapper);
 911                                         fireTreeNodesChanged(oldProjectFileWrapper);
 912                                 }
 913                                 String newCompletePath = (String) propertyChangeEvent.getNewValue();
 914                                 ProjectFile newProjectFile = pathProjectFiles.get(newCompletePath);
 915                                 ProjectFileWrapper newProjectFileWrapper = projectFileWrappers.get(newProjectFile);
 916                                 System.out.println("newProjectFileWrapper: " + newProjectFileWrapper);
 917                                 fireTreeNodesChanged(newProjectFileWrapper);
 918                                 /* HACK - swing sucks a bit. */
 919                                 fileTree.setShowsRootHandles(false);
 920                         }
 921                 }
 922
 923         }
 924
 925         /**
 926          * Wrapper around a {@link ProjectFile} that overwrites
 927          * {@link Object#toString()} to return the project file’s name.
 928          *
 929          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
 930          */
 931         private static class ProjectFileWrapper {
 932
 933                 /** The wrapped project file. */
 934                 private final ProjectFile projectFile;
 935
 936                 /** The override name. */
 937                 private String nameOverride;
 938
 939                 /**
 940                  * Creates a new wrapper around a project file.
 941                  *
 942                  * @param projectFile
 943                  *            The project file to wrap
 944                  */
 945                 public ProjectFileWrapper(ProjectFile projectFile) {
 946                         this.projectFile = projectFile;
 947                 }
 948
 949                 /**
 950                  * Returns the wrapped project file.
 951                  *
 952                  * @return The wrapped project file
 953                  */
 954                 public ProjectFile getProjectFile() {
 955                         return projectFile;
 956                 }
 957
 958                 /**
 959                  * Sets the name override. If the name override is not <code>null</code>
 960                  * it will be shown insted of the project file’s name.
 961                  *
 962                  * @param nameOverride
 963                  *            The name override
 964                  */
 965                 void setNameOverride(String nameOverride) {
 966                         this.nameOverride = nameOverride;
 967                 }
 968
 969                 /**
 970                  * {@inheritDoc}
 971                  */
 972                 @Override
 973                 public String toString() {
 974                         return (nameOverride != null) ? nameOverride : projectFile.getName();
 975                 }
 976
 977         }
 978
 979 }