/**
* Reloads data from new model, creates new search engine to search in new model if model contains
* view with the same name
*/
private void reloadData(HelpModel model) {
debug("reloadData using new model");
helpsearch = null;
SearchView view = null;
newHelpSet = model.getHelpSet();
SearchView oldView = (SearchView) searchnav.getNavigatorView();
String oldName = oldView.getName();
NavigatorView[] navViews = newHelpSet.getNavigatorViews();
for (int i = 0; i < navViews.length; i++) {
if ((navViews[i].getName()).equals(oldName)) {
NavigatorView tempView = navViews[i];
if (tempView instanceof SearchView) {
view = (SearchView) tempView;
break;
}
}
}
if (view == null) return;
topNode.removeAllChildren();
searchnav.setSearchEngine(new MergingSearchEngine(view));
setCellRenderer(view, tree);
// add all subhelpsets
addSubHelpSets(newHelpSet);
}
/** Indicates that there is new search data to use. */
private void reloadData() {
helpsearch = null;
setCellRenderer(searchnav.getNavigatorView(), tree);
// add all subhelpsets
HelpModel model = searchnav.getModel();
if (model != null) {
addSubHelpSets(model.getHelpSet());
}
}
/**
* Adds subhelpsets
*
* @param hs The HelpSet which subhelpsets will be added
*/
protected void addSubHelpSets(HelpSet hs) {
for (Enumeration e = hs.getHelpSets(); e.hasMoreElements(); ) {
HelpSet ehs = (HelpSet) e.nextElement();
// merge views
NavigatorView[] views = ehs.getNavigatorViews();
for (int i = 0; i < views.length; i++) {
if (searchnav.canMerge(views[i])) searchnav.merge(views[i]);
}
addSubHelpSets(ehs);
}
}
public void uninstallUI(JComponent c) {
HelpModel helpmodel = searchnav.getModel();
searchnav.removeComponentListener(this);
searchnav.removePropertyChangeListener(this);
TreeSelectionModel tsm = tree.getSelectionModel();
tsm.removeTreeSelectionListener(this);
searchnav.setLayout(null);
searchnav.removeAll();
if (helpmodel != null) {
helpmodel.removeHelpModelListener(this);
}
searchnav = null;
}
public BasicSearchNavigatorUI(JHelpSearchNavigator b) {
ImageIcon icon = getImageIcon(b.getNavigatorView());
if (icon != null) {
setIcon(icon);
} else {
setIcon(UIManager.getIcon("SearchNav.icon"));
}
}
/**
* Processes an idChanged event. Search is different from all other navigators in that you while
* search tree is synchronized the highlighting doesn't occur unless selected from the search
* navigator.
*/
public void idChanged(HelpModelEvent e) {
ID id = e.getID();
URL url = e.getURL();
HelpModel helpModel = searchnav.getModel();
debug("idChanged(" + e + ")");
if (e.getSource() != helpModel) {
debug("Internal inconsistency!");
debug(" " + e.getSource() + " != " + helpModel);
throw new Error("Internal error");
}
TreePath s = tree.getSelectionPath();
if (s != null) {
Object o = s.getLastPathComponent();
// should require only a TreeNode
if (o instanceof DefaultMutableTreeNode) {
DefaultMutableTreeNode tn = (DefaultMutableTreeNode) o;
SearchTOCItem item = (SearchTOCItem) tn.getUserObject();
if (item != null) {
ID nId = item.getID();
if (nId != null && nId.equals(id)) {
return;
}
}
}
}
DefaultMutableTreeNode node = findIDorURL(topNode, id, url);
if (node == null) {
// node doesn't exist. Need to clear the selection.
debug("node didn't exist");
tree.clearSelection();
return;
}
TreePath path = new TreePath(node.getPath());
tree.expandPath(path);
tree.setSelectionPath(path);
tree.scrollPathToVisible(path);
}
public void installUI(JComponent c) {
searchnav = (JHelpSearchNavigator) c;
HelpModel helpmodel = searchnav.getModel();
searchnav.setLayout(new BorderLayout());
searchnav.addPropertyChangeListener(this);
searchnav.addComponentListener(this);
if (helpmodel != null) {
helpmodel.addHelpModelListener(this);
}
JLabel search =
new JLabel(HelpUtilities.getString(HelpUtilities.getLocale(c), "search.findLabel"));
searchparams = new JTextField("", 20);
search.setLabelFor(searchparams);
searchparams.addActionListener(searchAction);
JPanel box = new JPanel();
box.setLayout(new BoxLayout(box, BoxLayout.X_AXIS));
box.add(search);
box.add(searchparams);
searchnav.add("North", box);
topNode = new DefaultMutableTreeNode();
lastTOCnode = null;
tree = new JTree(topNode);
// public String convertValueToText(Object val
TreeSelectionModel tsm = tree.getSelectionModel();
tsm.addTreeSelectionListener(this);
tree.setShowsRootHandles(false);
tree.setRootVisible(false);
sp = new JScrollPane();
sp.getViewport().add(tree);
searchnav.add("Center", sp);
reloadData();
}