/**
* Set the currently selected Variable.
*
* @param v select this Variable, must be already in the tree.
*/
public void setSelected(VariableIF v) {
if (v == null) return;
// construct chain of variables
List<VariableIF> vchain = new ArrayList<>();
vchain.add(v);
VariableIF vp = v;
while (vp.isMemberOfStructure()) {
vp = vp.getParentStructure();
vchain.add(0, vp); // reverse
}
// construct chain of groups
List<Group> gchain = new ArrayList<>();
Group gp = vp.getParentGroup();
gchain.add(gp);
while (gp.getParentGroup() != null) {
gp = gp.getParentGroup();
gchain.add(0, gp); // reverse
}
List<Object> pathList = new ArrayList<>();
// start at root, work down through the nested groups, if any
GroupNode gnode = (GroupNode) model.getRoot();
pathList.add(gnode);
Group parentGroup = gchain.get(0); // always the root group
for (int i = 1; i < gchain.size(); i++) {
parentGroup = gchain.get(i);
gnode = gnode.findNestedGroup(parentGroup);
assert gnode != null;
pathList.add(gnode);
}
vp = vchain.get(0);
VariableNode vnode = gnode.findNestedVariable(vp);
if (vnode == null) return; // not found
pathList.add(vnode);
// now work down through the structure members, if any
for (int i = 1; i < vchain.size(); i++) {
vp = vchain.get(i);
vnode = vnode.findNestedVariable(vp);
if (vnode == null) return; // not found
pathList.add(vnode);
}
// convert to TreePath, and select it
Object[] paths = pathList.toArray();
TreePath treePath = new TreePath(paths);
tree.setSelectionPath(treePath);
tree.scrollPathToVisible(treePath);
}
public void setFile(NetcdfFile ds) {
if (ds != currentDataset) {
currentDataset = ds;
model = new DatasetTreeModel(ds);
tree.setModel(model);
}
}
/** Constructor. */
public DatasetTreeView() {
// the catalog tree
tree =
new JTree() {
public JToolTip createToolTip() {
return new MultilineTooltip();
}
};
tree.setModel(new DefaultTreeModel(new DefaultMutableTreeNode(null, false)));
tree.setCellRenderer(new MyTreeCellRenderer());
tree.addMouseListener(
new MouseAdapter() {
public void mousePressed(MouseEvent e) {
int selRow = tree.getRowForLocation(e.getX(), e.getY());
if (selRow != -1) {
TreeNode node = (TreeNode) tree.getLastSelectedPathComponent();
if (node instanceof VariableNode) {
VariableIF v = ((VariableNode) node).var;
firePropertyChangeEvent(new PropertyChangeEvent(this, "Selection", null, v));
}
}
if ((selRow != -1) && (e.getClickCount() == 2)) {
// acceptSelected();
}
}
});
tree.putClientProperty("JTree.lineStyle", "Angled");
tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
tree.setToggleClickCount(1);
ToolTipManager.sharedInstance().registerComponent(tree);
// layout
setLayout(new BorderLayout());
add(new JScrollPane(tree), BorderLayout.CENTER);
}
public void clear() {
currentDataset = null;
model = null;
tree.setModel(null);
}