fix npe
[jSite2.git] / src / net / pterodactylus / jsite / gui / FileManager.java
index b3f772e..b0713a3 100644 (file)
@@ -28,8 +28,14 @@ import java.awt.Font;
 import java.awt.GridBagConstraints;
 import java.awt.GridBagLayout;
 import java.awt.Insets;
+import java.awt.Point;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.beans.PropertyChangeEvent;
+import java.beans.PropertyChangeListener;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
@@ -40,9 +46,12 @@ import java.util.logging.Logger;
 
 import javax.swing.BorderFactory;
 import javax.swing.JButton;
+import javax.swing.JCheckBox;
 import javax.swing.JDialog;
 import javax.swing.JLabel;
+import javax.swing.JOptionPane;
 import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
 import javax.swing.JScrollPane;
 import javax.swing.JTextField;
 import javax.swing.JTree;
@@ -58,6 +67,8 @@ import net.pterodactylus.jsite.i18n.I18n;
 import net.pterodactylus.jsite.i18n.I18nable;
 import net.pterodactylus.jsite.i18n.gui.I18nAction;
 import net.pterodactylus.jsite.i18n.gui.I18nLabel;
+import net.pterodactylus.jsite.i18n.gui.I18nMenu;
+import net.pterodactylus.jsite.project.FileOverride;
 import net.pterodactylus.jsite.project.Project;
 import net.pterodactylus.jsite.project.ProjectFile;
 import net.pterodactylus.util.logging.Logging;
@@ -68,7 +79,7 @@ import net.pterodactylus.util.swing.SwingUtils;
  * 
  * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
  */
-public class FileManager extends JDialog implements I18nable, ActionListener, TreeSelectionListener {
+public class FileManager extends JDialog implements I18nable, ActionListener, TreeSelectionListener, MouseListener {
 
        /** Logger. */
        private static final Logger logger = Logging.getLogger(FileManager.class.getName());
@@ -91,6 +102,12 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
        /** The “close” action. */
        private I18nAction closeAction;
 
+       /** The “set default file” action. */
+       private I18nAction setDefaultFileAction;
+
+       /** The “insert” action. */
+       private I18nAction insertAction;
+
        /** The “project files” label. */
        private I18nLabel projectFilesLabel;
 
@@ -121,6 +138,27 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
        /** The “file size” text field. */
        private JTextField fileSizeTextField;
 
+       /** The “override” label. */
+       private I18nLabel overrideLabel;
+
+       /** The “override active” action. */
+       private I18nAction overrideAction;
+
+       /** The “override action” checkbox. */
+       private JCheckBox overrideCheckBox;
+
+       /** The context menu for the tree. */
+       private JPopupMenu treeContextMenu;
+
+       /** The “apply override” menu. */
+       private I18nMenu overrideMenu;
+
+       /** The “apply insert override” action. */
+       private I18nAction applyInsertOverrideAction;
+
+       /** The “apply mime type override” action. */
+       private I18nAction applyMimeTypeOverrideAction;
+
        /**
         * Creates a new file manager.
         * 
@@ -135,6 +173,7 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                this.swingInterface = swingInterface;
                this.project = project;
                fileTreeModel = new ProjectFileTreeModel();
+               project.addPropertyChangeListener(fileTreeModel);
                fileCellRenderer = new FileCellRenderer();
                initActions();
                initComponents();
@@ -170,7 +209,19 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                        /**
                         * {@inheritDoc}
                         */
+                       @SuppressWarnings("synthetic-access")
                        public void actionPerformed(ActionEvent e) {
+                               String defaultFile = project.getDefaultFile();
+                               if ((defaultFile == null) || (defaultFile.length() == 0)) {
+                                       /* TODO - i18n */
+                                       JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
+                                       return;
+                               }
+                               ProjectFile projectFile = project.getFile(defaultFile);
+                               if (projectFile == null) {
+                                       JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
+                                       return;
+                               }
                                setVisible(false);
                        }
                };
@@ -184,12 +235,86 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                                initiateFileScan();
                        }
                };
+               setDefaultFileAction = new I18nAction("fileManager.menu.item.setDefaultFile") {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @SuppressWarnings("synthetic-access")
+                       public void actionPerformed(ActionEvent actionEvent) {
+                               TreePath selectedPath = fileTree.getSelectionPath();
+                               if (selectedPath == null) {
+                                       logger.log(Level.WARNING, "nothing selected!");
+                                       return;
+                               }
+                               ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPath.getLastPathComponent();
+                               if (isHidden(projectFileWrapper)) {
+                                       /* TODO - i18n */
+                                       JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
+                                       return;
+                               }
+                               if (projectFileWrapper.getProjectFile().isDirectory()) {
+                                       /* TODO - i18n */
+                                       JOptionPane.showMessageDialog(FileManager.this, I18n.get(""), I18n.get(""), JOptionPane.ERROR_MESSAGE);
+                                       return;
+                               }
+                               String completePath = projectFileWrapper.getProjectFile().getCompletePath();
+                               project.setDefaultFile(completePath);
+                       }
+               };
+               insertAction = new I18nAction("fileManager.menu.item.insert") {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       public void actionPerformed(ActionEvent e) {
+                               /* TODO */
+                       }
+               };
+               overrideAction = new I18nAction("fileManager.checkbox.overrideActive") {
+
+                       /**
+                        * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
+                        */
+                       public void actionPerformed(ActionEvent actionEvent) {
+                               /* TODO */
+                       }
+               };
+               applyInsertOverrideAction = new I18nAction("fileManager.menu.item.applyInsertOverride") {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @SuppressWarnings("synthetic-access")
+                       public void actionPerformed(ActionEvent actionEvent) {
+                               applyInsertOverride();
+                       }
+               };
+               applyMimeTypeOverrideAction = new I18nAction("fileManager.menu.item.applyMimeTypeOverride") {
+
+                       /**
+                        * {@inheritDoc}
+                        */
+                       @SuppressWarnings("synthetic-access")
+                       public void actionPerformed(ActionEvent actionEvent) {
+                               applyMimeTypeOverride();
+                       }
+               };
        }
 
        /**
         * Initializes all components.
         */
        private void initComponents() {
+               treeContextMenu = new JPopupMenu();
+               treeContextMenu.add(setDefaultFileAction);
+
+               overrideMenu = new I18nMenu("fileManager.menu.override");
+               treeContextMenu.add(overrideMenu);
+
+               overrideMenu.add(applyInsertOverrideAction);
+               overrideMenu.add(applyMimeTypeOverrideAction);
+
                JPanel contentPanel = new JPanel(new BorderLayout(12, 12));
                contentPanel.setBorder(BorderFactory.createEmptyBorder(12, 12, 12, 12));
 
@@ -214,9 +339,10 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                fileTree = new JTree(fileTreeModel);
                fileTree.setShowsRootHandles(false);
                fileTree.addTreeSelectionListener(this);
+               fileTree.addMouseListener(this);
                fileTree.setCellRenderer(fileCellRenderer);
                fileTreePanel.add(fileScrollPane = new JScrollPane(fileTree), BorderLayout.CENTER);
-               fileScrollPane.setPreferredSize(new Dimension(250, 400));
+               fileScrollPane.setPreferredSize(new Dimension(200, 350));
 
                projectFilesLabel = new I18nLabel("fileManager.label.projectFiles", fileTree);
                JPanel projectFilesLabelPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 0, 0));
@@ -231,6 +357,7 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                JPanel propertiesPanel = new JPanel(new GridBagLayout());
                rightPanel.add(propertiesPanel, BorderLayout.CENTER);
                propertiesPanel.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createEtchedBorder(), BorderFactory.createEmptyBorder(12, 12, 12, 12)));
+               propertiesPanel.setPreferredSize(new Dimension(400, 350));
 
                filePropertiesLabel = new I18nLabel("fileManager.label.fileProperties");
                filePropertiesLabel.setFont(filePropertiesLabel.getFont().deriveFont(Font.BOLD));
@@ -254,8 +381,16 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                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));
                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));
 
+               /* override settings. */
+               overrideLabel = new I18nLabel("fileManager.label.override");
+               overrideLabel.setFont(overrideLabel.getFont().deriveFont(Font.BOLD));
+               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));
+
+               overrideCheckBox = new JCheckBox(overrideAction);
+               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));
+
                /* glue panel. */
-               propertiesPanel.add(new JPanel(), new GridBagConstraints(0, 4, 2, 1, 1.0, 1.0, GridBagConstraints.LINE_START, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
+               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));
 
                /* action button panel */
                JPanel actionButtonPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 12, 12));
@@ -309,6 +444,94 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                });
        }
 
+       /**
+        * Checks whether the given mouse event is a popup trigger and occured over
+        * a file. If so, the context menu is shown.
+        * 
+        * @param mouseEvent
+        *            The mouse event to check
+        */
+       private void maybeShowContextMenu(MouseEvent mouseEvent) {
+               if (!mouseEvent.isPopupTrigger()) {
+                       return;
+               }
+               Point eventLocation = mouseEvent.getPoint();
+               TreePath[] selectedPaths = fileTree.getSelectionPaths();
+               if ((selectedPaths == null) || (selectedPaths.length == 0)) {
+                       /* try to find item under click. */
+                       TreePath clickedPath = fileTree.getPathForLocation(mouseEvent.getX(), mouseEvent.getY());
+                       if (clickedPath != null) {
+                               fileTree.setSelectionPath(clickedPath);
+                               selectedPaths = new TreePath[] { clickedPath };
+                       } else {
+                               logger.log(Level.FINER, "nothing selected for context menu");
+                               return;
+                       }
+               }
+               if (selectedPaths.length == 1) {
+                       ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPaths[0].getLastPathComponent();
+                       ProjectFile projectFile = projectFileWrapper.getProjectFile();
+                       setDefaultFileAction.setEnabled(!isHidden(projectFileWrapper) && projectFile.isFile() && !projectFile.getCompletePath().equals(project.getDefaultFile()));
+               } else {
+                       setDefaultFileAction.setEnabled(false);
+               }
+               treeContextMenu.show(fileTree, eventLocation.x, eventLocation.y);
+       }
+
+       /**
+        * Finds whether the {@link ProjectFile} given by
+        * <code>projectFileWrapper</code> is hidden.
+        * 
+        * @param projectFileWrapper
+        *            The wrapped project file
+        * @return <code>true</code> if the file is hidden and should not be
+        *         inserted, <code>false</code> otherwise
+        */
+       private boolean isHidden(ProjectFileWrapper projectFileWrapper) {
+               ProjectFile projectFile = projectFileWrapper.getProjectFile();
+               FileOverride fileOverride = project.getFileOverrides().get(projectFile.getCompletePath());
+               logger.log(Level.FINEST, "fileOverride: " + fileOverride);
+               return ((fileOverride == null) && projectFile.isHidden()) || ((fileOverride != null) && (Boolean.TRUE.equals(fileOverride.isInsert())));
+       }
+
+       /**
+        * Opens the “apply insert override” dialog and lets the user apply an
+        * override for the “insert” setting for multiple files.
+        */
+       private void applyInsertOverride() {
+               JCheckBox insertCheckBox = new JCheckBox(I18n.get("fileManager.checkbox.insertFile.name"));
+               String okString = I18n.get("general.button.okay.name");
+               String cancelString = I18n.get("general.button.cancel.name");
+               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);
+               logger.log(Level.FINEST, "choice: " + choice);
+               if ((choice == JOptionPane.CLOSED_OPTION) || (choice == 1)) {
+                       return;
+               }
+               logger.log(Level.INFO, "selected insert override: " + insertCheckBox.isSelected());
+               TreePath[] selectedPaths = fileTree.getSelectionPaths();
+               for (TreePath selectedPath: selectedPaths) {
+                       ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) selectedPath.getLastPathComponent();
+                       ProjectFile projectFile = projectFileWrapper.getProjectFile();
+                       if (!projectFile.isFile()) {
+                               continue;
+                       }
+                       FileOverride fileOverride = project.getFileOverride(projectFile);
+                       if (fileOverride == null) {
+                               fileOverride = new FileOverride();
+                               project.addFileOverride(projectFile, fileOverride);
+                       }
+                       fileOverride.setInsert(insertCheckBox.isSelected());
+               }
+       }
+
+       /**
+        * Opens the “apply mime type override” dialog and lets the user apply an
+        * override for the “mime type” setting for multiple files.
+        */
+       private void applyMimeTypeOverride() {
+               /* TODO */
+       }
+
        //
        // INTERFACE I18nable
        //
@@ -331,7 +554,32 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
         * {@inheritDoc}
         */
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
-               /* TODO */
+               TreePath[] selectedPaths = fileTree.getSelectionPaths();
+               filePathTextField.setText("");
+               fileNameTextField.setText("");
+               fileSizeTextField.setText("");
+               if ((selectedPaths != null) && (selectedPaths.length == 1)) {
+                       Object lastPathComponent = selectedPaths[0].getLastPathComponent();
+                       if (!(lastPathComponent instanceof ProjectFileWrapper)) {
+                               logger.log(Level.SEVERE, "lastPathComponent is not a ProjectFileWrapper!");
+                               return;
+                       }
+                       ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) lastPathComponent;
+                       ProjectFile projectFile = projectFileWrapper.getProjectFile();
+                       if (projectFile.isFile()) {
+                               String completePath = projectFile.getCompletePath();
+                               int lastSeparator = completePath.lastIndexOf(File.separatorChar);
+                               if (lastSeparator == -1) {
+                                       filePathTextField.setText("");
+                               } else {
+                                       filePathTextField.setText(completePath.substring(0, lastSeparator));
+                               }
+                               fileNameTextField.setText(projectFile.getName());
+                               fileSizeTextField.setText(String.valueOf(projectFile.getSize()));
+                       }
+               } else if ((selectedPaths != null) && (selectedPaths.length > 1)) {
+                       /* TODO */
+               }
        }
 
        //
@@ -345,6 +593,45 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                /* TODO */
        }
 
+       //
+       // INTERFACE MouseListener
+       //
+
+       /**
+        * {@inheritDoc}
+        */
+       public void mouseClicked(MouseEvent mouseEvent) {
+               maybeShowContextMenu(mouseEvent);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       public void mouseEntered(MouseEvent mouseEvent) {
+               /* ignore. */
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       public void mouseExited(MouseEvent mouseEvent) {
+               /* ignore. */
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       public void mousePressed(MouseEvent mouseEvent) {
+               maybeShowContextMenu(mouseEvent);
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       public void mouseReleased(MouseEvent mouseEvent) {
+               maybeShowContextMenu(mouseEvent);
+       }
+
        /**
         * Tree cell renderer that takes care of certain display properties for
         * project-specific stuff.
@@ -379,13 +666,26 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                        ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) value;
                        ProjectFile projectFile = projectFileWrapper.getProjectFile();
                        String completePath = projectFile.getCompletePath();
-                       if (projectFile.isHidden()) {
+                       boolean paintBold = false;
+                       boolean paintHalfColor = false;
+                       if (projectFile.isFile() && projectFile.isHidden()) {
                                /* TODO - check override */
+                               paintHalfColor = true;
+                       } else if (completePath.equals(project.getDefaultFile())) {
+                               paintBold = true;
+                       } else if (projectFile.getParents().size() == 1) {
+                               paintBold = true;
+                       }
+                       if (paintHalfColor) {
+                               /* TODO - cache colors */
                                Color foreground = superCellRenderer.getForeground();
                                Color background = selected ? getBackgroundSelectionColor() : getBackgroundNonSelectionColor();
                                Color averageColor = new Color((foreground.getRed() + background.getRed()) / 2, (foreground.getGreen() + background.getGreen()) / 2, (foreground.getBlue() + background.getBlue()) / 2);
                                superCellRenderer.setForeground(averageColor);
-                       } else if (completePath.equals(project.getDefaultFile())) {
+                       } else {
+                               superCellRenderer.setForeground(selected ? getTextSelectionColor() : getTextNonSelectionColor());
+                       }
+                       if (paintBold) {
                                superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.BOLD));
                        } else {
                                superCellRenderer.setFont(superCellRenderer.getFont().deriveFont(Font.PLAIN));
@@ -400,7 +700,7 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
         * 
         * @author David ‘Bombe’ Roden &lt;bombe@freenetproject.org&gt;
         */
-       private class ProjectFileTreeModel implements TreeModel {
+       private class ProjectFileTreeModel implements TreeModel, PropertyChangeListener {
 
                /** Tree model listeners. */
                private final List<TreeModelListener> treeModelListeners = Collections.synchronizedList(new ArrayList<TreeModelListener>());
@@ -408,6 +708,9 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                /** The base project file. */
                private ProjectFile baseProjectFile;
 
+               /** Maps path names to project files. */
+               private final Map<String, ProjectFile> pathProjectFiles = Collections.synchronizedMap(new HashMap<String, ProjectFile>());
+
                /** Maps project files to wrappers. */
                private final Map<ProjectFile, ProjectFileWrapper> projectFileWrappers = Collections.synchronizedMap(new HashMap<ProjectFile, ProjectFileWrapper>());
 
@@ -437,6 +740,27 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                }
 
                /**
+                * Notifies all listeners that a node has changed.
+                * 
+                * @param changedProjectFileWrapper
+                *            The wrapper around the changed project file
+                */
+               protected void fireTreeNodesChanged(ProjectFileWrapper changedProjectFileWrapper) {
+                       ProjectFile changedProjectFile = changedProjectFileWrapper.getProjectFile();
+                       ProjectFile changedProjectFileParent = changedProjectFile.getParent();
+                       ProjectFile currentProjectFileParent = changedProjectFile;
+                       List<ProjectFileWrapper> parentProjectFileWrappers = new ArrayList<ProjectFileWrapper>();
+                       do {
+                               parentProjectFileWrappers.add(0, projectFileWrappers.get(currentProjectFileParent));
+                               currentProjectFileParent = currentProjectFileParent.getParent();
+                       } while (currentProjectFileParent != null);
+                       TreeModelEvent treeModelEvent = new TreeModelEvent(this, parentProjectFileWrappers.toArray(), new int[] { getIndexOfChild(projectFileWrappers.get(changedProjectFileParent), changedProjectFileWrapper) }, new Object[] { changedProjectFileWrapper });
+                       for (TreeModelListener treeModelListener: treeModelListeners) {
+                               treeModelListener.treeNodesChanged(treeModelEvent);
+                       }
+               }
+
+               /**
                 * Notifies all listeners that the tree structure has changed
                 * significantly.
                 * 
@@ -459,10 +783,13 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                 * @param baseProjectFile
                 *            The new base project file
                 */
+               @SuppressWarnings("synthetic-access")
                public synchronized void setBaseProjectFile(ProjectFile baseProjectFile) {
                        this.baseProjectFile = baseProjectFile;
                        projectFileWrappers.clear();
+                       pathProjectFiles.clear();
                        createWrappers(baseProjectFile);
+                       projectFileWrappers.get(baseProjectFile).setNameOverride(project.getName());
                        fireTreeStructureChanged(projectFileWrappers.get(baseProjectFile));
                }
 
@@ -480,11 +807,13 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                 */
                private void createWrappers(ProjectFile projectFile) {
                        projectFileWrappers.put(projectFile, new ProjectFileWrapper(projectFile));
+                       pathProjectFiles.put(projectFile.getCompletePath(), projectFile);
                        for (ProjectFile projectFileChild: projectFile.getFiles()) {
                                if (projectFileChild.isDirectory()) {
                                        createWrappers(projectFileChild);
                                }
                                projectFileWrappers.put(projectFileChild, new ProjectFileWrapper(projectFileChild));
+                               pathProjectFiles.put(projectFileChild.getCompletePath(), projectFileChild);
                        }
                }
 
@@ -555,8 +884,7 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                                return true;
                        }
                        ProjectFileWrapper projectFileWrapper = (ProjectFileWrapper) node;
-                       ProjectFile projectFile = projectFileWrapper.getProjectFile();
-                       return projectFile.getFiles().isEmpty();
+                       return projectFileWrapper.getProjectFile().isFile();
                }
 
                /**
@@ -566,6 +894,33 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                        /* ignore, items will not be modified in tree. */
                }
 
+               //
+               // INTERFACE PropertyChangeListener
+               //
+
+               /**
+                * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent)
+                */
+               @SuppressWarnings("synthetic-access")
+               public void propertyChange(PropertyChangeEvent propertyChangeEvent) {
+                       if (Project.PROPERTY_DEFAULT_FILE.equals(propertyChangeEvent.getPropertyName())) {
+                               if (propertyChangeEvent.getOldValue() != null) {
+                                       String oldCompletePath = (String) propertyChangeEvent.getOldValue();
+                                       ProjectFile oldProjectFile = pathProjectFiles.get(oldCompletePath);
+                                       ProjectFileWrapper oldProjectFileWrapper = projectFileWrappers.get(oldProjectFile);
+                                       System.out.println("oldProjectFileWrapper: " + oldProjectFileWrapper);
+                                       fireTreeNodesChanged(oldProjectFileWrapper);
+                               }
+                               String newCompletePath = (String) propertyChangeEvent.getNewValue();
+                               ProjectFile newProjectFile = pathProjectFiles.get(newCompletePath);
+                               ProjectFileWrapper newProjectFileWrapper = projectFileWrappers.get(newProjectFile);
+                               System.out.println("newProjectFileWrapper: " + newProjectFileWrapper);
+                               fireTreeNodesChanged(newProjectFileWrapper);
+                               /* HACK - swing sucks a bit. */
+                               fileTree.setShowsRootHandles(false);
+                       }
+               }
+
        }
 
        /**
@@ -579,6 +934,9 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                /** The wrapped project file. */
                private final ProjectFile projectFile;
 
+               /** The override name. */
+               private String nameOverride;
+
                /**
                 * Creates a new wrapper around a project file.
                 * 
@@ -599,11 +957,22 @@ public class FileManager extends JDialog implements I18nable, ActionListener, Tr
                }
 
                /**
+                * Sets the name override. If the name override is not <code>null</code>
+                * it will be shown insted of the project file’s name.
+                * 
+                * @param nameOverride
+                *            The name override
+                */
+               void setNameOverride(String nameOverride) {
+                       this.nameOverride = nameOverride;
+               }
+
+               /**
                 * {@inheritDoc}
                 */
                @Override
                public String toString() {
-                       return projectFile.getName();
+                       return (nameOverride != null) ? nameOverride : projectFile.getName();
                }
 
        }