/**
* When called it will traverse all visible leaves in the browseTree and collapse them if they
* have been open for too long and are not selected.
*/
private void collapseOldNodes() {
Stack<ListableEntry> toConsider =
new Stack<
ListableEntry>(); // this is a stack of expanded nodes that need their children (and
// themselves) to be considered.
toConsider.push(fs.getBrowseRoot()); // we know these are always expanded, and uncollapsable.
toConsider.push(fs.getSearchRoot()); // " " "
// a) mark all uncollapsable nodes
TreePath[] selecteds = browseTree.getSelectionPaths();
if (selecteds != null) {
for (TreePath selected : selecteds) {
for (Object toMark :
selected.getPath()) { // a selected nodes and their ancestors are not collapsable.
expandedTimes.put(toMark, System.currentTimeMillis());
}
}
}
// b) collapse old expanded nodes.
while (!toConsider.empty()) {
for (FileSystemEntry child : toConsider.pop().getAllChildren()) {
if (browseTree.isExpanded(child.getPath())) {
toConsider.push(child);
if (System.currentTimeMillis() - expandedTimes.get(child)
> FS2Constants.CLIENT_BROWSETREE_COLLAPSE_INTERVAL) {
browseTree.collapsePath(child.getPath());
expandedTimes.remove(child);
}
}
}
}
}
JSplitPane createBrowseSection() {
spinner = new LoadingAnimationHelper();
splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
splitPane.setContinuousLayout(true);
fs = frame.gui.ssvr.getIndexNodeCommunicator().getFileSystem();
browseTree = new JTree(fs);
// Allows the filesystem to keep refreshing directories we have visible:
fs.setPathRequired(
new PathRequired() {
@Override
public boolean required(TreePath path) {
return browseTree.isExpanded(path);
}
});
fs.addTreeModelListener(spinner);
browseTree.setCellRenderer(browseTreeRenderer = new BrowseTreeCellRenderer());
browseTree.addTreeSelectionListener(this);
browseTree.addMouseMotionListener(this);
browseTree.addMouseListener(this);
browseTree.addTreeExpansionListener(this);
browseTree.setRootVisible(false);
browseTree.expandPath(fs.getBrowseRoot().getPath());
JScrollPane treeView = new JScrollPane(browseTree);
treeView.setMinimumSize(new Dimension(100, 100));
splitPane.setLeftComponent(treeView);
filesTable = new FancierTable(fs, frame.gui.conf, CK.FILES_TABLE_COLWIDTHS);
filesTable.addMouseListener(this);
filesTable.getSelectionModel().addListSelectionListener(this);
filesTable.getColumn(fs.getColumnName(0)).setCellRenderer(new FilesTableNameRenderer());
JScrollPane filesView = new JScrollPane(filesTable);
splitPane.setRightComponent(filesView);
splitPane.setDividerLocation(frame.gui.conf.getInt(CK.FILES_DIVIDER_LOCATION));
splitPane.addPropertyChangeListener(JSplitPane.DIVIDER_LOCATION_PROPERTY, this);
return splitPane;
}