private void expandSelect() {
if (fPathToSelect == null) return;
if (fPathToSelect.isEmpty()) {
fPathToSelect = null;
fFileToSelect = null;
return;
}
do {
String name = fPathToSelect.getFirst();
if (name.length() == 0) {
fPathToSelect.removeFirst();
continue;
}
FileInfo info = findFileInfo(fLastSelectedFileInfo, name);
if (info == null) break;
TreeItem item = findItem(info);
if (item == null) break;
fPathToSelect.removeFirst();
if (fPathToSelect.isEmpty()) {
fileTree.setSelection(item);
fileTree.showItem(item);
} else {
item.setExpanded(true);
fileTree.showItem(item);
}
fLastSelectedFileInfo = info;
} while (!fPathToSelect.isEmpty());
}
static void Scroll(Tree tree, int x, int y) {
TreeItem item = tree.getItem(new Point(x, y));
if (item == null) return;
Rectangle area = tree.getClientArea();
int headerHeight = tree.getHeaderHeight();
int itemHeight = tree.getItemHeight();
TreeItem nextItem = null;
if (y < area.y + headerHeight + 2 * itemHeight) {
nextItem = PreviousItem(tree, item);
}
if (y > area.y + area.height - 2 * itemHeight) {
nextItem = NextItem(tree, item);
}
if (nextItem != null) tree.showItem(nextItem);
}