/** Sets the list of roots, old roots will be cleared. */
public void setRoots(File... newRoots) {
this.roots.clear();
// call cancel editing before tree is cleared
directoryTree.cancelEditing();
directoryTreeModel.removeSubRoots();
this.roots.addAll(retainAncestors(newRoots));
List<File> list = new ArrayList<File>(roots);
Collections.sort(
list,
new Comparator<File>() {
public int compare(File o1, File o2) {
if (o1.equals(SharingSettings.TORRENT_DATA_DIR_SETTING.getValue())) {
return -1;
}
if (o2.equals(SharingSettings.TORRENT_DATA_DIR_SETTING.getValue())) {
return 1;
}
return o1.compareTo(o2);
}
});
for (File root : list) {
directoryTreeModel.addSubRoot(root);
}
setRootExpanded();
}
/** Constructs the tree path for a directory. */
private TreePath getTreePath(File dir) {
LinkedList<File> files = new LinkedList<File>();
files.add(dir);
File parent = dir.getParentFile();
while (parent != null && !directoryTreeModel.isSubRoot(dir)) {
files.addFirst(parent);
dir = parent;
parent = parent.getParentFile();
}
Object[] path = new Object[files.size() + 1];
path[0] = directoryTreeModel.getRoot();
System.arraycopy(files.toArray(), 0, path, 1, path.length - 1);
return new TreePath(path);
}
/**
* Adds a root to the tree if it's not already in there.
*
* @return false if dir is already in the tree
*/
public boolean addRoot(File dir) {
// remove from deselected in any case
boolean changed = deselected.remove(dir);
// check if already included
for (File root : roots) {
if (FileUtils.isAncestor(root, dir)) {
if (root.equals(dir)) {
if (changed) {
directoryTreeModel.valueForPathChanged(getTreePath(dir), null);
}
return changed;
}
// make sure it is included
removeFromPath(dir);
TreePath path = getTreePath(dir);
directoryTree.scrollPathToVisible(path);
return changed;
} else if (FileUtils.isAncestor(dir, root)) {
removeRoot(root);
addDirToTree(dir);
// expand to root and its parent, since expand has no effect if root
// doesn't have subfolders
setExpanded(root);
// guaranteed to not be null since at least dir is its real ancestor
setExpanded(root.getParentFile());
return true;
}
}
addDirToTree(dir);
setRootExpanded();
return true;
}
/**
* Constructs the tree view with a list of roots.
*
* @param blackListSet set of subfolders that are marked as not included, cannot be null
* @param roots list of roots, can be null
*/
public RecursiveLibraryDirectoryPanel(
boolean precheckFolders, Set<File> blackListSet, File... roots) {
super(new BorderLayout());
this.roots = new TreeSet<File>(FileTreeModel.DEFAULT_COMPARATOR);
this.deselected = new HashSet<File>(blackListSet);
if (!precheckFolders) {
addFoldersToExclude(new HashSet<File>(Arrays.asList(roots)));
}
// center
directoryTreeModel = new FileTreeModel("");
directoryTreeModel.setFileFilter(new IncludedFolderFilter());
directoryTree = new RootNotEditableTree(directoryTreeModel);
directoryTree.setBorder(new EmptyBorder(4, 4, 4, 4));
directoryTree.setCellRenderer(fileTreeCellRenderer);
directoryTree.setCellEditor(new FileTreeCellEditor());
directoryTree.setEditable(true);
directoryTree.setVisibleRowCount(8);
directoryTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
JScrollPane jspDirectories = new JScrollPane(directoryTree);
mainPanel = new JPanel(new BorderLayout());
mainPanel.add(jspDirectories, BorderLayout.CENTER);
legendPanel = new JPanel();
mainPanel.add(legendPanel, BorderLayout.SOUTH);
add(mainPanel, BorderLayout.CENTER);
setRoots(roots);
updateLanguage();
}
/** Removes <code>root</code> from the tree of included roots. */
public void removeRoot(File root) {
if (roots.remove(root)) {
// remove old root and add dir and expand to root
// cancel editing, since we're removing from the tree
directoryTree.cancelEditing();
directoryTreeModel.removeSubRoot(root);
removeFromPath(root);
}
}
/**
* Removes all files from <code>deselected</code> that are ancestors
* of <code>file</code or vice versa.
*/
private void removeFromPath(File file) {
// remove all children, file itself is removed here too
for (Iterator<File> i = deselected.iterator(); i.hasNext(); ) {
File f = i.next();
if (FileUtils.isAncestor(file, f)) {
i.remove();
}
}
while (file != null && !roots.contains(file)) {
// mark other children of parent as excluded
File parent = file.getParentFile();
if (ancestorIsExcluded(parent)) {
deselected.remove(parent);
int childCount = directoryTreeModel.getChildCount(parent);
for (int j = 0; j < childCount; j++) {
File sibling = (File) directoryTreeModel.getChild(parent, j);
if (sibling != null && !sibling.equals(file)) {
deselected.add(sibling);
}
}
}
file = parent;
}
}
/** Returns the text used by the tree cell renderers. */
private String getText(File file) {
return directoryTreeModel.isSubRoot(file) ? file.getAbsolutePath() : file.getName();
}
private void addDirToTree(File dir) {
roots.add(dir);
directoryTreeModel.addSubRoot(dir);
}
/** Expand the visible or invisible root node. */
public void setRootExpanded() {
directoryTree.expandPath(new TreePath(directoryTreeModel.getRoot()));
}
/** Resets the text of various components to the current language. */
public void updateLanguage() {
createLegendPanel(legendPanel);
directoryTreeModel.changeRootText(I18n.tr("Library Folders"));
}