/**
* Selects the saved item in the tree of preference pages. If it cannot do this it saves the first
* one.
*/
protected void selectSavedItem() {
IPreferenceNode node = findNodeMatching(getSelectedNodePreference());
if (node == null) {
IPreferenceNode[] nodes = preferenceManager.getRootSubNodes();
ViewerComparator comparator = getTreeViewer().getComparator();
if (comparator != null) {
comparator.sort(null, nodes);
}
for (int i = 0; i < nodes.length; i++) {
IPreferenceNode selectedNode = nodes[i];
if (selectedNode != null) {
node = selectedNode;
break;
}
}
}
if (node != null) {
getTreeViewer().setSelection(new StructuredSelection(node), true);
// Keep focus in tree. See bugs 2692, 2621, and 6775.
getTreeViewer().getControl().setFocus();
boolean expanded = getTreeViewer().getExpandedState(node);
getTreeViewer().setExpandedState(node, !expanded);
}
}
