b253bf0262d51b9ce47dc79aac50180f378e1538
[jSite2.git] / 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 <bombe@freenetproject.org>
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                         FileOverride fileOverride = project.getFileOverride(projectFile);
515                         if (fileOverride == null) {
516                                 fileOverride = new FileOverride();
517                                 project.addFileOverride(projectFile, fileOverride);
518                         }
519                         fileOverride.setInsert(insertCheckBox.isSelected());
520                 }
521         }
522
523         /**
524          * Opens the “apply mime type override” dialog and lets the user apply an
525          * override for the “mime type” setting for multiple files.
526          */
527         private void applyMimeTypeOverride() {
528                 /* TODO */
529         }
530
531         //
532         // INTERFACE I18nable
533         //
534
535         /**
536          * {@inheritDoc}
537          */
538         public void updateI18n() {
539                 setTitle(I18n.get("fileManager.title", project.getName()));
540                 projectFilesLabel.updateI18n();
541                 filePropertiesLabel.updateI18n();
542                 filePathLabel.updateI18n();
543         }
544
545         //
546         // INTERFACE TreeSelectionListener
547         //
548
549         /**
550          * {@inheritDoc}
551          */
552         public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
553                 TreePath[] selectedPaths = fileTree.getSelectionPaths();
554                 filePathTextField.setText("");
555                 fileNameTextField.setText("");
556                 fileSizeTextField.setText("");
557                 if ((selectedPaths != null) && (selectedPaths.length == 1)) {
558                         Object lastPathComponent = selectedPaths[0].getLastPathComponent();
559                         if (!(lastPathComponent instanceof ProjectFileWrapper)) {
560                                 logger.log(Level.SEVERE, "lastPathComponent is not a ProjectFileWrapper!");
561                                 return;
562                         }
563                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) lastPathComponent;
564                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
565                         if (projectFile.isFile()) {
566                                 String completePath = projectFile.getCompletePath();
567                                 int lastSeparator = completePath.lastIndexOf(File.separatorChar);
568                                 if (lastSeparator == -1) {
569                                         filePathTextField.setText("");
570                                 } else {
571                                         filePathTextField.setText(completePath.substring(0, lastSeparator));
572                                 }
573                                 fileNameTextField.setText(projectFile.getName());
574                                 fileSizeTextField.setText(String.valueOf(projectFile.getSize()));
575                         }
576                 } else if ((selectedPaths != null) && (selectedPaths.length > 1)) {
577                         /* TODO */
578                 }
579         }
580
581         //
582         // INTERFACE ActionListener
583         //
584
585         /**
586          * {@inheritDoc}
587          */
588         public void actionPerformed(ActionEvent actionEvent) {
589                 /* TODO */
590         }
591
592         //
593         // INTERFACE MouseListener
594         //
595
596         /**
597          * {@inheritDoc}
598          */
599         public void mouseClicked(MouseEvent mouseEvent) {
600                 maybeShowContextMenu(mouseEvent);
601         }
602
603         /**
604          * {@inheritDoc}
605          */
606         public void mouseEntered(MouseEvent mouseEvent) {
607                 /* ignore. */
608         }
609
610         /**
611          * {@inheritDoc}
612          */
613         public void mouseExited(MouseEvent mouseEvent) {
614                 /* ignore. */
615         }
616
617         /**
618          * {@inheritDoc}
619          */
620         public void mousePressed(MouseEvent mouseEvent) {
621                 maybeShowContextMenu(mouseEvent);
622         }
623
624         /**
625          * {@inheritDoc}
626          */
627         public void mouseReleased(MouseEvent mouseEvent) {
628                 maybeShowContextMenu(mouseEvent);
629         }
630
631         /**
632          * Tree cell renderer that takes care of certain display properties for
633          * project-specific stuff.
634          * 
635          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
636          */
637         private class FileCellRenderer extends DefaultTreeCellRenderer {
638
639                 /**
640                  * Empty constructor.
641                  */
642                 FileCellRenderer() {
643                         /* do nothing. */
644                 }
645
646                 /**
647                  * @see javax.swing.tree.TreeCellRenderer#getTreeCellRendererComponent(javax.swing.JTree,
648                  *      java.lang.Object, boolean, boolean, boolean, int, boolean)
649                  */
650                 @SuppressWarnings("synthetic-access")
651                 @Override
652                 public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
653                         Component superCellRenderer = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
654                         if (!(superCellRenderer instanceof JLabel)) {
655                                 logger.log(Level.SEVERE, "superCellRenderer is not a JLabel!");
656                                 return superCellRenderer;
657                         }
658                         if (!(value instanceof ProjectFileWrapper)) {
659                                 logger.log(Level.SEVERE, "value is not a ProjectFileWrapper!");
660                                 return superCellRenderer;
661                         }
662                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) value;
663                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
664                         String completePath = projectFile.getCompletePath();
665                         boolean paintBold = false;
666                         boolean paintHalfColor = false;
667                         if (projectFile.isFile() && projectFile.isHidden()) {
668                                 /* TODO - check override */
669                                 paintHalfColor = true;
670                         } else if (completePath.equals(project.getDefaultFile())) {
671                                 paintBold = true;
672                         } else if (projectFile.getParents().size() == 1) {
673                                 paintBold = true;
674                         }
675                         if (paintHalfColor) {
676                                 /* TODO - cache colors */
677                                 Color foreground = superCellRenderer.getForeground();
678                                 Color background = selected ? getBackgroundSelectionColor() : getBackgroundNonSelectionColor();
679                                 Color averageColor = new Color((foreground.getRed() + background.getRed()) / 2, (foreground.getGreen() + background.getGreen()) / 2, (foreground.getBlue() + background.getBlue()) / 2);
680                                 superCellRenderer.setForeground(averageColor);
681                         } else {
682                                 superCellRenderer.setForeground(selected ? getTextSelectionColor() : getTextNonSelectionColor());
683                         }
684                         if (paintBold) {
685                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.BOLD));
686                         } else {
687                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.PLAIN));
688                         }
689                         return superCellRenderer;
690                 }
691
692         }
693
694         /**
695          * TreeModel that is based on {@link Project#getBaseFile()}.
696          * 
697          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
698          */
699         private class ProjectFileTreeModel implements TreeModel, PropertyChangeListener {
700
701                 /** Tree model listeners. */
702                 private final List<TreeModelListener> treeModelListeners = Collections.synchronizedList(new ArrayList<TreeModelListener>());
703
704                 /** The base project file. */
705                 private ProjectFile baseProjectFile;
706
707                 /** Maps path names to project files. */
708                 private final Map<String, ProjectFile> pathProjectFiles = Collections.synchronizedMap(new HashMap<String, ProjectFile>());
709
710                 /** Maps project files to wrappers. */
711                 private final Map<ProjectFile, ProjectFileWrapper> projectFileWrappers = Collections.synchronizedMap(new HashMap<ProjectFile, ProjectFileWrapper>());
712
713                 /**
714                  * Empty constructor.
715                  */
716                 ProjectFileTreeModel() {
717                         /* do nothing. */
718                 }
719
720                 //
721                 // EVENT MANAGEMENT
722                 //
723
724                 /**
725                  * {@inheritDoc}
726                  */
727                 public void addTreeModelListener(TreeModelListener treeModelListener) {
728                         treeModelListeners.add(treeModelListener);
729                 }
730
731                 /**
732                  * {@inheritDoc}
733                  */
734                 public void removeTreeModelListener(TreeModelListener treeModelListener) {
735                         treeModelListeners.remove(treeModelListener);
736                 }
737
738                 /**
739                  * Notifies all listeners that a node has changed.
740                  * 
741                  * @param changedProjectFileWrapper
742                  *            The wrapper around the changed project file
743                  */
744                 protected void fireTreeNodesChanged(ProjectFileWrapper changedProjectFileWrapper) {
745                         ProjectFile changedProjectFile = changedProjectFileWrapper.getProjectFile();
746                         ProjectFile changedProjectFileParent = changedProjectFile.getParent();
747                         ProjectFile currentProjectFileParent = changedProjectFile;
748                         List<ProjectFileWrapper> parentProjectFileWrappers = new ArrayList<ProjectFileWrapper>();
749                         do {
750                                 parentProjectFileWrappers.add(0, projectFileWrappers.get(currentProjectFileParent));
751                                 currentProjectFileParent = currentProjectFileParent.getParent();
752                         } while (currentProjectFileParent != null);
753                         TreeModelEvent treeModelEvent = new TreeModelEvent(this, parentProjectFileWrappers.toArray(), new int[] { getIndexOfChild(projectFileWrappers.get(changedProjectFileParent), changedProjectFileWrapper) }, new Object[] { changedProjectFileWrapper });
754                         for (TreeModelListener treeModelListener: treeModelListeners) {
755                                 treeModelListener.treeNodesChanged(treeModelEvent);
756                         }
757                 }
758
759                 /**
760                  * Notifies all listeners that the tree structure has changed
761                  * significantly.
762                  * 
763                  * @see TreeModelListener#treeStructureChanged(TreeModelEvent)
764                  * @param newRootNode
765                  */
766                 protected void fireTreeStructureChanged(ProjectFileWrapper newRootNode) {
767                         for (TreeModelListener treeModelListener: treeModelListeners) {
768                                 treeModelListener.treeStructureChanged(new TreeModelEvent(this, new Object[] { newRootNode }));
769                         }
770                 }
771
772                 //
773                 // ACCESSORS
774                 //
775
776                 /**
777                  * Sets the new base project file. This causes the model to reload.
778                  * 
779                  * @param baseProjectFile
780                  *            The new base project file
781                  */
782                 @SuppressWarnings("synthetic-access")
783                 public synchronized void setBaseProjectFile(ProjectFile baseProjectFile) {
784                         this.baseProjectFile = baseProjectFile;
785                         projectFileWrappers.clear();
786                         pathProjectFiles.clear();
787                         createWrappers(baseProjectFile);
788                         projectFileWrappers.get(baseProjectFile).setNameOverride(project.getName());
789                         fireTreeStructureChanged(projectFileWrappers.get(baseProjectFile));
790                 }
791
792                 //
793                 // PRIVATE METHODS
794                 //
795
796                 /**
797                  * Creates {@link ProjectFileWrapper}s for all files below the given
798                  * project file.
799                  * 
800                  * @param projectFile
801                  *            The base project file for all project files to create
802                  *            wrappers for
803                  */
804                 private void createWrappers(ProjectFile projectFile) {
805                         projectFileWrappers.put(projectFile, new ProjectFileWrapper(projectFile));
806                         pathProjectFiles.put(projectFile.getCompletePath(), projectFile);
807                         for (ProjectFile projectFileChild: projectFile.getFiles()) {
808                                 if (projectFileChild.isDirectory()) {
809                                         createWrappers(projectFileChild);
810                                 }
811                                 projectFileWrappers.put(projectFileChild, new ProjectFileWrapper(projectFileChild));
812                                 pathProjectFiles.put(projectFileChild.getCompletePath(), projectFileChild);
813                         }
814                 }
815
816                 //
817                 // INTERFACE TreeModel
818                 //
819
820                 /**
821                  * {@inheritDoc}
822                  */
823                 public Object getRoot() {
824                         return projectFileWrappers.get(baseProjectFile);
825                 }
826
827                 /**
828                  * {@inheritDoc}
829                  */
830                 @SuppressWarnings("synthetic-access")
831                 public Object getChild(Object parent, int index) {
832                         if (!(parent instanceof ProjectFileWrapper)) {
833                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
834                                 return null;
835                         }
836                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
837                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
838                         return projectFileWrappers.get(projectFile.getFiles().get(index));
839                 }
840
841                 /**
842                  * {@inheritDoc}
843                  */
844                 @SuppressWarnings("synthetic-access")
845                 public int getChildCount(Object parent) {
846                         if (!(parent instanceof ProjectFileWrapper)) {
847                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
848                                 return -1;
849                         }
850                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
851                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
852                         return projectFile.getFiles().size();
853                 }
854
855                 /**
856                  * {@inheritDoc}
857                  */
858                 @SuppressWarnings("synthetic-access")
859                 public int getIndexOfChild(Object parent, Object child) {
860                         if (!(parent instanceof ProjectFileWrapper)) {
861                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
862                                 return -1;
863                         }
864                         if (!(child instanceof ProjectFileWrapper)) {
865                                 logger.log(Level.SEVERE, "child is not a ProjectFileWrapper!");
866                                 return -1;
867                         }
868                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
869                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
870                         return projectFile.getFiles().indexOf(((ProjectFileWrapper) child).getProjectFile());
871                 }
872
873                 /**
874                  * {@inheritDoc}
875                  */
876                 @SuppressWarnings("synthetic-access")
877                 public boolean isLeaf(Object node) {
878                         if (!(node instanceof ProjectFileWrapper)) {
879                                 logger.log(Level.SEVERE, "node is not a ProjectFileWrapper!");
880                                 return true;
881                         }
882                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) node;
883                         return projectFileWrapper.getProjectFile().isFile();
884                 }
885
886                 /**
887                  * {@inheritDoc}
888                  */
889                 public void valueForPathChanged(TreePath path, Object newValue) {
890                         /* ignore, items will not be modified in tree. */
891                 }
892
893                 //
894                 // INTERFACE PropertyChangeListener
895                 //
896
897                 /**
898                  * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
899                  */
900                 @SuppressWarnings("synthetic-access")
901                 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
902                         if (Project.PROPERTY_DEFAULT_FILE.equals(propertyChangeEvent.getPropertyName())) {
903                                 if (propertyChangeEvent.getOldValue() != null) {
904                                         String oldCompletePath = (String) propertyChangeEvent.getOldValue();
905                                         ProjectFile oldProjectFile = pathProjectFiles.get(oldCompletePath);
906                                         ProjectFileWrapper oldProjectFileWrapper = projectFileWrappers.get(oldProjectFile);
907                                         System.out.println("oldProjectFileWrapper: " + oldProjectFileWrapper);
908                                         fireTreeNodesChanged(oldProjectFileWrapper);
909                                 }
910                                 String newCompletePath = (String) propertyChangeEvent.getNewValue();
911                                 ProjectFile newProjectFile = pathProjectFiles.get(newCompletePath);
912                                 ProjectFileWrapper newProjectFileWrapper = projectFileWrappers.get(newProjectFile);
913                                 System.out.println("newProjectFileWrapper: " + newProjectFileWrapper);
914                                 fireTreeNodesChanged(newProjectFileWrapper);
915                                 /* HACK - swing sucks a bit. */
916                                 fileTree.setShowsRootHandles(false);
917                         }
918                 }
919
920         }
921
922         /**
923          * Wrapper around a {@link ProjectFile} that overwrites
924          * {@link Object#toString()} to return the project file’s name.
925          * 
926          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
927          */
928         private static class ProjectFileWrapper {
929
930                 /** The wrapped project file. */
931                 private final ProjectFile projectFile;
932
933                 /** The override name. */
934                 private String nameOverride;
935
936                 /**
937                  * Creates a new wrapper around a project file.
938                  * 
939                  * @param projectFile
940                  *            The project file to wrap
941                  */
942                 public ProjectFileWrapper(ProjectFile projectFile) {
943                         this.projectFile = projectFile;
944                 }
945
946                 /**
947                  * Returns the wrapped project file.
948                  * 
949                  * @return The wrapped project file
950                  */
951                 public ProjectFile getProjectFile() {
952                         return projectFile;
953                 }
954
955                 /**
956                  * Sets the name override. If the name override is not <code>null</code>
957                  * it will be shown insted of the project file’s name.
958                  * 
959                  * @param nameOverride
960                  *            The name override
961                  */
962                 void setNameOverride(String nameOverride) {
963                         this.nameOverride = nameOverride;
964                 }
965
966                 /**
967                  * {@inheritDoc}
968                  */
969                 @Override
970                 public String toString() {
971                         return (nameOverride != null) ? nameOverride : projectFile.getName();
972                 }
973
974         }
975
976 }