/**
* Returns the image information of the specified path, if it represents an image information.
* Otherwise returns null.
*
* @param path the tree path.
* @return the image information.
*/
protected XmlInformation getInformation(TreePath path) {
String path_str = "";
Object[] paths = path.getPath();
for (int i = 1; i < paths.length; i++) {
String name = (String) ((DefaultMutableTreeNode) paths[i]).getUserObject();
path_str += "/" + name;
}
XmlInformation info = (XmlInformation) hash_info.get(path_str);
return info;
}
/**
* Expands the sub folders and image informations under the specified node.
*
* @param node the node.
*/
protected void expandNode(DefaultMutableTreeNode node) {
try {
Object[] paths = node.getPath();
String path_str = "";
Vector folder_list = new Vector();
for (int i = 1; i < paths.length; i++) {
String name = (String) ((DefaultMutableTreeNode) paths[i]).getUserObject();
path_str += "/" + name;
// Converts January...December to 1...12.
if (mode == DATE_ORIENTED && i == 2) {
for (int m = 1; m <= 12; m++) {
if (JulianDay.getFullSpellMonthString(m).equals(name)) name = String.valueOf(m);
}
}
folder_list.addElement(name);
}
// When to expand sub folders.
Vector folders = new Vector();
if (mode == DATE_ORIENTED) folders = db_manager.getDateOrientedFolders(folder_list);
if (mode == PATH_ORIENTED) folders = db_manager.getPathOrientedFolders(folder_list);
addNode(node, folders);
// When to expand image informations.
XmlDBAccessor accessor = null;
if (mode == DATE_ORIENTED) accessor = db_manager.getDateOrientedAccessor(folder_list);
if (mode == PATH_ORIENTED) accessor = db_manager.getPathOrientedAccessor(folder_list);
if (accessor != null) {
Vector name_list = new Vector();
XmlInformation info = (XmlInformation) accessor.getFirstElement();
while (info != null) {
name_list.addElement(info.getPath());
hash_info.put(path_str + "/" + info.getPath(), info);
info = (XmlInformation) accessor.getNextElement();
}
addNode(node, name_list);
}
revalidate();
repaint();
} catch (IOException exception) {
String message = "Failed to read the database.";
JOptionPane.showMessageDialog(pane, message, "Error", JOptionPane.ERROR_MESSAGE);
}
}