public Browser(CavityNestingDB cndb) throws SQLException {
super(new BorderLayout());
setPreferredSize(new Dimension(300, 500));
db = cndb;
displayer = new NodeDisplay();
top = new DefaultMutableTreeNode("CavityNestingDB");
tree = new JTree(top);
DefaultTreeSelectionModel selModel = new DefaultTreeSelectionModel();
selModel.setSelectionMode(DefaultTreeSelectionModel.SINGLE_TREE_SELECTION);
tree.setSelectionModel(selModel);
tree.addTreeSelectionListener(
new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent e) {
if (e.isAddedPath()) {
TreePath path = e.getPath();
DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
Object value = node.getUserObject();
// System.out.println(String.valueOf(value));
if (value instanceof CavityDBObject) {
displayer.display((CavityDBObject) value);
} else {
// System.out.println(value.getClass().getSimpleName());
}
}
}
});
JSplitPane splitter = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
add(splitter, BorderLayout.CENTER);
splitter.add(new JScrollPane(tree));
splitter.add(displayer);
populate();
}
/**
* This is overridden to set <code>updatingListSelectionModel</code> and message super. This is
* the only place DefaultTreeSelectionModel alters the ListSelectionModel.
*/
public void resetRowSelection() {
if (!updatingListSelectionModel) {
updatingListSelectionModel = true;
try {
super.resetRowSelection();
} finally {
updatingListSelectionModel = false;
}
}
// Notice how we don't message super if
// updatingListSelectionModel is true. If
// updatingListSelectionModel is true, it implies the
// ListSelectionModel has already been updated and the
// paths are the only thing that needs to be updated.
}