public static synchronized JContextTree getContextTree() {
if (tree == null) {
final JContextTree tree = new JContextTree();
// search available popup menu items
Lookup lk = Lookups.forPath("/Puzzle/ContextTree/Actions");
for (TreePopupItem item : lk.lookupAll(TreePopupItem.class)) {
tree.controls().add(item);
}
final List<PropertyPane> configPanes = new ArrayList<PropertyPane>();
JPropertyTree propertyTree = new JPropertyTree();
DefaultMutableTreeNode root = new DefaultMutableTreeNode();
// search available property panels
lk = Lookups.forPath("/Puzzle/ContextTree/PropertyPanels");
for (PropertyPane p : lk.lookupAll(PropertyPane.class)) {
root.add(new DefaultMutableTreeNode(p));
}
// search filter panels
DefaultMutableTreeNode filterNodes =
new DefaultMutableTreeNode(CoreResource.getString("filter"));
lk = Lookups.forPath("/Puzzle/ContextTree/FilterPanels");
for (PropertyPane p : lk.lookupAll(PropertyPane.class)) {
filterNodes.add(new DefaultMutableTreeNode(p));
}
root.add(filterNodes);
// search style panels
DefaultMutableTreeNode styleNodes =
new DefaultMutableTreeNode(CoreResource.getString("symbology"));
lk = Lookups.forPath("/Puzzle/ContextTree/StylePanels");
for (PropertyPane p : lk.lookupAll(PropertyPane.class)) {
styleNodes.add(new DefaultMutableTreeNode(p));
}
root.add(styleNodes);
if (!tree.controls().isEmpty()) {
tree.controls().add(new SeparatorItem());
}
LayerPropertyItem property = new LayerPropertyItem(root);
tree.controls().add(property);
tree.revalidate();
tree.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
ContextTreeTopComponent.tree = tree;
}
return tree;
}
