disable set default on directories
[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.JCheckBoxMenuItem;
51 import javax.swing.JDialog;
52 import javax.swing.JLabel;
53 import javax.swing.JOptionPane;
54 import javax.swing.JPanel;
55 import javax.swing.JPopupMenu;
56 import javax.swing.JScrollPane;
57 import javax.swing.JTextField;
58 import javax.swing.JTree;
59 import javax.swing.event.TreeModelEvent;
60 import javax.swing.event.TreeModelListener;
61 import javax.swing.event.TreeSelectionEvent;
62 import javax.swing.event.TreeSelectionListener;
63 import javax.swing.tree.DefaultTreeCellRenderer;
64 import javax.swing.tree.TreeModel;
65 import javax.swing.tree.TreePath;
66
67 import net.pterodactylus.jsite.i18n.I18n;
68 import net.pterodactylus.jsite.i18n.I18nable;
69 import net.pterodactylus.jsite.i18n.gui.I18nAction;
70 import net.pterodactylus.jsite.i18n.gui.I18nLabel;
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 “insert” checkbox. */
154         private JCheckBoxMenuItem insertCheckBoxMenuItem;
155
156         /**
157          * Creates a new file manager.
158          * 
159          * @param swingInterface
160          *            The Swing interface
161          * @param project
162          *            The project whose files to manage
163          */
164         public FileManager(SwingInterface swingInterface, Project project) {
165                 super(swingInterface.getMainWindow(), I18n.get("fileManager.title", project.getName()), true);
166                 logger.log(Level.FINEST, "project: " + project);
167                 this.swingInterface = swingInterface;
168                 this.project = project;
169                 fileTreeModel = new ProjectFileTreeModel();
170                 project.addPropertyChangeListener(fileTreeModel);
171                 fileCellRenderer = new FileCellRenderer();
172                 initActions();
173                 initComponents();
174                 pack();
175                 SwingUtils.center(this);
176         }
177
178         //
179         // ACTIONS
180         //
181
182         /**
183          * @see java.awt.Component#setVisible(boolean)
184          */
185         @Override
186         public void setVisible(boolean visible) {
187                 if (visible) {
188                         initiateFileScan();
189                 }
190                 super.setVisible(visible);
191         }
192
193         //
194         // PRIVATE METHODS
195         //
196
197         /**
198          * Initializes all actions.
199          */
200         private void initActions() {
201                 closeAction = new I18nAction("fileManager.button.close") {
202
203                         /**
204                          * {@inheritDoc}
205                          */
206                         @SuppressWarnings("synthetic-access")
207                         public void actionPerformed(ActionEvent e) {
208                                 String defaultFile = project.getDefaultFile();
209                                 if ((defaultFile == null) || (defaultFile.length() == 0)) {
210                                         /* TODO - i18n */
211                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
212                                         return;
213                                 }
214                                 ProjectFile projectFile = project.getFile(defaultFile);
215                                 if (projectFile == null) {
216                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
217                                         return;
218                                 }
219                                 setVisible(false);
220                         }
221                 };
222                 rescanAction = new I18nAction("fileManager.button.rescan") {
223
224                         /**
225                          * {@inheritDoc}
226                          */
227                         @SuppressWarnings("synthetic-access")
228                         public void actionPerformed(ActionEvent actionEvent) {
229                                 initiateFileScan();
230                         }
231                 };
232                 setDefaultFileAction = new I18nAction("fileManager.menu.item.setDefaultFile") {
233
234                         /**
235                          * {@inheritDoc}
236                          */
237                         @SuppressWarnings("synthetic-access")
238                         public void actionPerformed(ActionEvent actionEvent) {
239                                 TreePath selectedPath = fileTree.getSelectionPath();
240                                 if (selectedPath == null) {
241                                         logger.log(Level.WARNING, "nothing selected!");
242                                         return;
243                                 }
244                                 ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPath.getLastPathComponent();
245                                 if (isHidden(projectFileWrapper)) {
246                                         /* TODO - i18n */
247                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
248                                         return;
249                                 }
250                                 if (projectFileWrapper.getProjectFile().isDirectory()) {
251                                         /* TODO - i18n */
252                                         JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
253                                         return;
254                                 }
255                                 String completePath = projectFileWrapper.getProjectFile().getCompletePath();
256                                 project.setDefaultFile(completePath);
257                         }
258                 };
259                 insertAction = new I18nAction("fileManager.menu.item.insert") {
260
261                         /**
262                          * {@inheritDoc}
263                          */
264                         public void actionPerformed(ActionEvent e) {
265                                 /* TODO */
266                         }
267                 };
268                 overrideAction = new I18nAction("fileManager.checkbox.overrideActive") {
269
270                         /**
271                          * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
272                          */
273                         public void actionPerformed(ActionEvent actionEvent) {
274                                 /* TODO */
275                         }
276                 };
277         }
278
279         /**
280          * Initializes all components.
281          */
282         private void initComponents() {
283                 treeContextMenu = new JPopupMenu();
284                 treeContextMenu.add(setDefaultFileAction);
285                 insertCheckBoxMenuItem = new JCheckBoxMenuItem(insertAction);
286                 treeContextMenu.add(insertCheckBoxMenuItem);
287
288                 JPanel contentPanel = new JPanel(new BorderLayout(12, 12));
289                 contentPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
290
291                 contentPanel.add(createFileManagerPanel(), BorderLayout.CENTER);
292                 contentPanel.add(createButtonPanel(), BorderLayout.PAGE_END);
293
294                 setContentPane(contentPanel);
295         }
296
297         /**
298          * Creates the main panel with the file tree and the file properties.
299          * 
300          * @return The mail panel
301          */
302         private Component createFileManagerPanel() {
303                 JPanel fileManagerPanel = new JPanel(new BorderLayout(12, 12));
304
305                 /* file tree panel */
306                 JPanel fileTreePanel = new JPanel(new BorderLayout(12, 12));
307                 fileManagerPanel.add(fileTreePanel, BorderLayout.LINE_START);
308
309                 fileTree = new JTree(fileTreeModel);
310                 fileTree.setShowsRootHandles(false);
311                 fileTree.addTreeSelectionListener(this);
312                 fileTree.addMouseListener(this);
313                 fileTree.setCellRenderer(fileCellRenderer);
314                 fileTreePanel.add(fileScrollPane = new JScrollPane(fileTree), BorderLayout.CENTER);
315                 fileScrollPane.setPreferredSize(new Dimension(200, 350));
316
317                 projectFilesLabel = new I18nLabel("fileManager.label.projectFiles", fileTree);
318                 JPanel projectFilesLabelPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0));
319                 fileTreePanel.add(projectFilesLabelPanel, BorderLayout.NORTH);
320                 projectFilesLabelPanel.add(projectFilesLabel);
321
322                 /* the right panel */
323                 JPanel rightPanel = new JPanel(new BorderLayout(12, 12));
324                 fileManagerPanel.add(rightPanel, BorderLayout.CENTER);
325
326                 /* properties panel */
327                 JPanel propertiesPanel = new JPanel(new GridBagLayout());
328                 rightPanel.add(propertiesPanel, BorderLayout.CENTER);
329                 propertiesPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(), BorderFactory.createEmptyBorder(12, 12, 12, 12)));
330                 propertiesPanel.setPreferredSize(new Dimension(400, 350));
331
332                 filePropertiesLabel = new I18nLabel("fileManager.label.fileProperties");
333                 filePropertiesLabel.setFont(filePropertiesLabel.getFont().deriveFont(Font.BOLD));
334                 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));
335
336                 filePathLabel = new I18nLabel("fileManager.label.filePath");
337                 filePathTextField = new JTextField();
338                 filePathTextField.setEditable(false);
339                 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));
340                 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));
341
342                 fileNameLabel = new I18nLabel("fileManager.label.fileName");
343                 fileNameTextField = new JTextField();
344                 fileNameTextField.setEditable(false);
345                 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));
346                 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));
347
348                 fileSizeLabel = new I18nLabel("fileManager.label.fileSize");
349                 fileSizeTextField = new JTextField();
350                 fileSizeTextField.setEditable(false);
351                 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));
352                 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));
353
354                 /* override settings. */
355                 overrideLabel = new I18nLabel("fileManager.label.override");
356                 overrideLabel.setFont(overrideLabel.getFont().deriveFont(Font.BOLD));
357                 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));
358
359                 overrideCheckBox = new JCheckBox(overrideAction);
360                 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));
361
362                 /* glue panel. */
363                 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));
364
365                 /* action button panel */
366                 JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
367                 rightPanel.add(actionButtonPanel, BorderLayout.PAGE_END);
368                 actionButtonPanel.setBorder(BorderFactory.createEtchedBorder());
369
370                 JButton rescanButton = new JButton(rescanAction);
371                 actionButtonPanel.add(rescanButton);
372
373                 return fileManagerPanel;
374         }
375
376         /**
377          * Creates the button panel.
378          * 
379          * @return The button panel
380          */
381         private Component createButtonPanel() {
382                 JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING, 12, 12));
383
384                 buttonPanel.setBorder(BorderFactory.createEmptyBorder(-12, -12, -12, -12));
385                 JButton closeButton = new JButton(closeAction);
386                 buttonPanel.add(closeButton);
387
388                 getRootPane().setDefaultButton(closeButton);
389                 return buttonPanel;
390         }
391
392         /**
393          * Initiates a file scan.
394          */
395         private void initiateFileScan() {
396                 swingInterface.getThreadPool().execute(new Runnable() {
397
398                         /**
399                          * @see java.lang.Runnable#run()
400                          */
401                         @SuppressWarnings("synthetic-access")
402                         public void run() {
403                                 fileTree.setEnabled(false);
404                                 rescanAction.setEnabled(false);
405                                 ProjectFile baseProjectFile = project.getBaseFile();
406                                 if (baseProjectFile != null) {
407                                         fileTreeModel.setBaseProjectFile(baseProjectFile);
408                                 }
409                                 // fileScrollPane.revalidate();
410                                 rescanAction.setEnabled(true);
411                                 fileTree.setEnabled(true);
412                         }
413
414                 });
415         }
416
417         /**
418          * Checks whether the given mouse event is a popup trigger and occured over
419          * a file. If so, the context menu is shown.
420          * 
421          * @param mouseEvent
422          *            The mouse event to check
423          */
424         private void maybeShowContextMenu(MouseEvent mouseEvent) {
425                 if (!mouseEvent.isPopupTrigger()) {
426                         return;
427                 }
428                 Point eventLocation = mouseEvent.getPoint();
429                 TreePath clickedPath = fileTree.getPathForLocation(eventLocation.x, eventLocation.y);
430                 if (clickedPath == null) {
431                         return;
432                 }
433                 fileTree.setSelectionPath(clickedPath);
434                 ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) clickedPath.getLastPathComponent();
435                 setDefaultFileAction.setEnabled(projectFileWrapper.getProjectFile().isFile() && !isHidden(projectFileWrapper));
436                 insertCheckBoxMenuItem.setSelected(!isHidden(projectFileWrapper));
437                 treeContextMenu.show(fileTree, eventLocation.x, eventLocation.y);
438         }
439
440         /**
441          * Finds whether the {@link ProjectFile} given by
442          * <code>projectFileWrapper</code> is hidden.
443          * 
444          * @param projectFileWrapper
445          *            The wrapped project file
446          * @return <code>true</code> if the file is hidden and should not be
447          *         inserted, <code>false</code> otherwise
448          */
449         private boolean isHidden(ProjectFileWrapper projectFileWrapper) {
450                 ProjectFile projectFile = projectFileWrapper.getProjectFile();
451                 FileOverride fileOverride = project.getFileOverrides().get(projectFile.getCompletePath());
452                 return ((fileOverride == null) && projectFile.isHidden()) || ((fileOverride != null) && (fileOverride.isInsert()));
453         }
454
455         //
456         // INTERFACE I18nable
457         //
458
459         /**
460          * {@inheritDoc}
461          */
462         public void updateI18n() {
463                 setTitle(I18n.get("fileManager.title", project.getName()));
464                 projectFilesLabel.updateI18n();
465                 filePropertiesLabel.updateI18n();
466                 filePathLabel.updateI18n();
467         }
468
469         //
470         // INTERFACE TreeSelectionListener
471         //
472
473         /**
474          * {@inheritDoc}
475          */
476         public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
477                 TreePath[] selectedPaths = fileTree.getSelectionPaths();
478                 filePathTextField.setText("");
479                 fileNameTextField.setText("");
480                 fileSizeTextField.setText("");
481                 if ((selectedPaths != null) && (selectedPaths.length == 1)) {
482                         Object lastPathComponent = selectedPaths[0].getLastPathComponent();
483                         if (!(lastPathComponent instanceof ProjectFileWrapper)) {
484                                 logger.log(Level.SEVERE, "lastPathComponent is not a ProjectFileWrapper!");
485                                 return;
486                         }
487                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) lastPathComponent;
488                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
489                         if (projectFile.isFile()) {
490                                 String completePath = projectFile.getCompletePath();
491                                 int lastSeparator = completePath.lastIndexOf(File.separatorChar);
492                                 if (lastSeparator == -1) {
493                                         filePathTextField.setText("");
494                                 } else {
495                                         filePathTextField.setText(completePath.substring(0, lastSeparator));
496                                 }
497                                 fileNameTextField.setText(projectFile.getName());
498                                 fileSizeTextField.setText(String.valueOf(projectFile.getSize()));
499                         }
500                 }
501         }
502
503         //
504         // INTERFACE ActionListener
505         //
506
507         /**
508          * {@inheritDoc}
509          */
510         public void actionPerformed(ActionEvent actionEvent) {
511                 /* TODO */
512         }
513
514         //
515         // INTERFACE MouseListener
516         //
517
518         /**
519          * {@inheritDoc}
520          */
521         public void mouseClicked(MouseEvent mouseEvent) {
522                 maybeShowContextMenu(mouseEvent);
523         }
524
525         /**
526          * {@inheritDoc}
527          */
528         public void mouseEntered(MouseEvent mouseEvent) {
529                 /* ignore. */
530         }
531
532         /**
533          * {@inheritDoc}
534          */
535         public void mouseExited(MouseEvent mouseEvent) {
536                 /* ignore. */
537         }
538
539         /**
540          * {@inheritDoc}
541          */
542         public void mousePressed(MouseEvent mouseEvent) {
543                 maybeShowContextMenu(mouseEvent);
544         }
545
546         /**
547          * {@inheritDoc}
548          */
549         public void mouseReleased(MouseEvent mouseEvent) {
550                 maybeShowContextMenu(mouseEvent);
551         }
552
553         /**
554          * Tree cell renderer that takes care of certain display properties for
555          * project-specific stuff.
556          * 
557          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
558          */
559         private class FileCellRenderer extends DefaultTreeCellRenderer {
560
561                 /**
562                  * Empty constructor.
563                  */
564                 FileCellRenderer() {
565                         /* do nothing. */
566                 }
567
568                 /**
569                  * @see javax.swing.tree.TreeCellRenderer#getTreeCellRendererComponent(javax.swing.JTree,
570                  *      java.lang.Object, boolean, boolean, boolean, int, boolean)
571                  */
572                 @SuppressWarnings("synthetic-access")
573                 @Override
574                 public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) {
575                         Component superCellRenderer = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);
576                         if (!(superCellRenderer instanceof JLabel)) {
577                                 logger.log(Level.SEVERE, "superCellRenderer is not a JLabel!");
578                                 return superCellRenderer;
579                         }
580                         if (!(value instanceof ProjectFileWrapper)) {
581                                 logger.log(Level.SEVERE, "value is not a ProjectFileWrapper!");
582                                 return superCellRenderer;
583                         }
584                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) value;
585                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
586                         String completePath = projectFile.getCompletePath();
587                         boolean paintBold = false;
588                         boolean paintHalfColor = false;
589                         if (projectFile.isFile() && projectFile.isHidden()) {
590                                 /* TODO - check override */
591                                 paintHalfColor = true;
592                         } else if (completePath.equals(project.getDefaultFile())) {
593                                 paintBold = true;
594                         } else if (projectFile.getParents().size() == 1) {
595                                 paintBold = true;
596                         }
597                         if (paintHalfColor) {
598                                 /* TODO - cache colors */
599                                 Color foreground = superCellRenderer.getForeground();
600                                 Color background = selected ? getBackgroundSelectionColor() : getBackgroundNonSelectionColor();
601                                 Color averageColor = new Color((foreground.getRed() + background.getRed()) / 2, (foreground.getGreen() + background.getGreen()) / 2, (foreground.getBlue() + background.getBlue()) / 2);
602                                 superCellRenderer.setForeground(averageColor);
603                         } else {
604                                 superCellRenderer.setForeground(selected ? getTextSelectionColor() : getTextNonSelectionColor());
605                         }
606                         if (paintBold) {
607                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.BOLD));
608                         } else {
609                                 superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.PLAIN));
610                         }
611                         return superCellRenderer;
612                 }
613
614         }
615
616         /**
617          * TreeModel that is based on {@link Project#getBaseFile()}.
618          * 
619          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
620          */
621         private class ProjectFileTreeModel implements TreeModel, PropertyChangeListener {
622
623                 /** Tree model listeners. */
624                 private final List<TreeModelListener> treeModelListeners = Collections.synchronizedList(new ArrayList<TreeModelListener>());
625
626                 /** The base project file. */
627                 private ProjectFile baseProjectFile;
628
629                 /** Maps path names to project files. */
630                 private final Map<String, ProjectFile> pathProjectFiles = Collections.synchronizedMap(new HashMap<String, ProjectFile>());
631
632                 /** Maps project files to wrappers. */
633                 private final Map<ProjectFile, ProjectFileWrapper> projectFileWrappers = Collections.synchronizedMap(new HashMap<ProjectFile, ProjectFileWrapper>());
634
635                 /**
636                  * Empty constructor.
637                  */
638                 ProjectFileTreeModel() {
639                         /* do nothing. */
640                 }
641
642                 //
643                 // EVENT MANAGEMENT
644                 //
645
646                 /**
647                  * {@inheritDoc}
648                  */
649                 public void addTreeModelListener(TreeModelListener treeModelListener) {
650                         treeModelListeners.add(treeModelListener);
651                 }
652
653                 /**
654                  * {@inheritDoc}
655                  */
656                 public void removeTreeModelListener(TreeModelListener treeModelListener) {
657                         treeModelListeners.remove(treeModelListener);
658                 }
659
660                 /**
661                  * Notifies all listeners that a node has changed.
662                  * 
663                  * @param changedProjectFileWrapper
664                  *            The wrapper around the changed project file
665                  */
666                 protected void fireTreeNodesChanged(ProjectFileWrapper changedProjectFileWrapper) {
667                         ProjectFile changedProjectFile = changedProjectFileWrapper.getProjectFile();
668                         ProjectFile changedProjectFileParent = changedProjectFile.getParent();
669                         ProjectFile currentProjectFileParent = changedProjectFile;
670                         List<ProjectFileWrapper> parentProjectFileWrappers = new ArrayList<ProjectFileWrapper>();
671                         do {
672                                 parentProjectFileWrappers.add(0, projectFileWrappers.get(currentProjectFileParent));
673                                 currentProjectFileParent = currentProjectFileParent.getParent();
674                         } while (currentProjectFileParent != null);
675                         TreeModelEvent treeModelEvent = new TreeModelEvent(this, parentProjectFileWrappers.toArray(), new int[] { getIndexOfChild(projectFileWrappers.get(changedProjectFileParent), changedProjectFileWrapper) }, new Object[] { changedProjectFileWrapper });
676                         for (TreeModelListener treeModelListener: treeModelListeners) {
677                                 treeModelListener.treeNodesChanged(treeModelEvent);
678                         }
679                 }
680
681                 /**
682                  * Notifies all listeners that the tree structure has changed
683                  * significantly.
684                  * 
685                  * @see TreeModelListener#treeStructureChanged(TreeModelEvent)
686                  * @param newRootNode
687                  */
688                 protected void fireTreeStructureChanged(ProjectFileWrapper newRootNode) {
689                         for (TreeModelListener treeModelListener: treeModelListeners) {
690                                 treeModelListener.treeStructureChanged(new TreeModelEvent(this, new Object[] { newRootNode }));
691                         }
692                 }
693
694                 //
695                 // ACCESSORS
696                 //
697
698                 /**
699                  * Sets the new base project file. This causes the model to reload.
700                  * 
701                  * @param baseProjectFile
702                  *            The new base project file
703                  */
704                 @SuppressWarnings("synthetic-access")
705                 public synchronized void setBaseProjectFile(ProjectFile baseProjectFile) {
706                         this.baseProjectFile = baseProjectFile;
707                         projectFileWrappers.clear();
708                         pathProjectFiles.clear();
709                         createWrappers(baseProjectFile);
710                         projectFileWrappers.get(baseProjectFile).setNameOverride(project.getName());
711                         fireTreeStructureChanged(projectFileWrappers.get(baseProjectFile));
712                 }
713
714                 //
715                 // PRIVATE METHODS
716                 //
717
718                 /**
719                  * Creates {@link ProjectFileWrapper}s for all files below the given
720                  * project file.
721                  * 
722                  * @param projectFile
723                  *            The base project file for all project files to create
724                  *            wrappers for
725                  */
726                 private void createWrappers(ProjectFile projectFile) {
727                         projectFileWrappers.put(projectFile, new ProjectFileWrapper(projectFile));
728                         pathProjectFiles.put(projectFile.getCompletePath(), projectFile);
729                         for (ProjectFile projectFileChild: projectFile.getFiles()) {
730                                 if (projectFileChild.isDirectory()) {
731                                         createWrappers(projectFileChild);
732                                 }
733                                 projectFileWrappers.put(projectFileChild, new ProjectFileWrapper(projectFileChild));
734                                 pathProjectFiles.put(projectFileChild.getCompletePath(), projectFileChild);
735                         }
736                 }
737
738                 //
739                 // INTERFACE TreeModel
740                 //
741
742                 /**
743                  * {@inheritDoc}
744                  */
745                 public Object getRoot() {
746                         return projectFileWrappers.get(baseProjectFile);
747                 }
748
749                 /**
750                  * {@inheritDoc}
751                  */
752                 @SuppressWarnings("synthetic-access")
753                 public Object getChild(Object parent, int index) {
754                         if (!(parent instanceof ProjectFileWrapper)) {
755                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
756                                 return null;
757                         }
758                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
759                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
760                         return projectFileWrappers.get(projectFile.getFiles().get(index));
761                 }
762
763                 /**
764                  * {@inheritDoc}
765                  */
766                 @SuppressWarnings("synthetic-access")
767                 public int getChildCount(Object parent) {
768                         if (!(parent instanceof ProjectFileWrapper)) {
769                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
770                                 return -1;
771                         }
772                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
773                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
774                         return projectFile.getFiles().size();
775                 }
776
777                 /**
778                  * {@inheritDoc}
779                  */
780                 @SuppressWarnings("synthetic-access")
781                 public int getIndexOfChild(Object parent, Object child) {
782                         if (!(parent instanceof ProjectFileWrapper)) {
783                                 logger.log(Level.SEVERE, "parent is not a ProjectFileWrapper!");
784                                 return -1;
785                         }
786                         if (!(child instanceof ProjectFileWrapper)) {
787                                 logger.log(Level.SEVERE, "child is not a ProjectFileWrapper!");
788                                 return -1;
789                         }
790                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) parent;
791                         ProjectFile projectFile = projectFileWrapper.getProjectFile();
792                         return projectFile.getFiles().indexOf(((ProjectFileWrapper) child).getProjectFile());
793                 }
794
795                 /**
796                  * {@inheritDoc}
797                  */
798                 @SuppressWarnings("synthetic-access")
799                 public boolean isLeaf(Object node) {
800                         if (!(node instanceof ProjectFileWrapper)) {
801                                 logger.log(Level.SEVERE, "node is not a ProjectFileWrapper!");
802                                 return true;
803                         }
804                         ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) node;
805                         return projectFileWrapper.getProjectFile().isFile();
806                 }
807
808                 /**
809                  * {@inheritDoc}
810                  */
811                 public void valueForPathChanged(TreePath path, Object newValue) {
812                         /* ignore, items will not be modified in tree. */
813                 }
814
815                 //
816                 // INTERFACE PropertyChangeListener
817                 //
818
819                 /**
820                  * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
821                  */
822                 @SuppressWarnings("synthetic-access")
823                 public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
824                         if (Project.PROPERTY_DEFAULT_FILE.equals(propertyChangeEvent.getPropertyName())) {
825                                 if (propertyChangeEvent.getOldValue() != null) {
826                                         String oldCompletePath = (String) propertyChangeEvent.getOldValue();
827                                         ProjectFile oldProjectFile = pathProjectFiles.get(oldCompletePath);
828                                         ProjectFileWrapper oldProjectFileWrapper = projectFileWrappers.get(oldProjectFile);
829                                         System.out.println("oldProjectFileWrapper: " + oldProjectFileWrapper);
830                                         fireTreeNodesChanged(oldProjectFileWrapper);
831                                 }
832                                 String newCompletePath = (String) propertyChangeEvent.getNewValue();
833                                 ProjectFile newProjectFile = pathProjectFiles.get(newCompletePath);
834                                 ProjectFileWrapper newProjectFileWrapper = projectFileWrappers.get(newProjectFile);
835                                 System.out.println("newProjectFileWrapper: " + newProjectFileWrapper);
836                                 fireTreeNodesChanged(newProjectFileWrapper);
837                                 /* HACK - swing sucks a bit. */
838                                 fileTree.setShowsRootHandles(false);
839                         }
840                 }
841
842         }
843
844         /**
845          * Wrapper around a {@link ProjectFile} that overwrites
846          * {@link Object#toString()} to return the project file’s name.
847          * 
848          * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
849          */
850         private static class ProjectFileWrapper {
851
852                 /** The wrapped project file. */
853                 private final ProjectFile projectFile;
854
855                 /** The override name. */
856                 private String nameOverride;
857
858                 /**
859                  * Creates a new wrapper around a project file.
860                  * 
861                  * @param projectFile
862                  *            The project file to wrap
863                  */
864                 public ProjectFileWrapper(ProjectFile projectFile) {
865                         this.projectFile = projectFile;
866                 }
867
868                 /**
869                  * Returns the wrapped project file.
870                  * 
871                  * @return The wrapped project file
872                  */
873                 public ProjectFile getProjectFile() {
874                         return projectFile;
875                 }
876
877                 /**
878                  * Sets the name override. If the name override is not <code>null</code>
879                  * it will be shown insted of the project file’s name.
880                  * 
881                  * @param nameOverride
882                  *            The name override
883                  */
884                 void setNameOverride(String nameOverride) {
885                         this.nameOverride = nameOverride;
886                 }
887
888                 /**
889                  * {@inheritDoc}
890                  */
891                 @Override
892                 public String toString() {
893                         return (nameOverride != null) ? nameOverride : projectFile.getName();
894                 }
895
896         }
897
898 }