Auto select subpackages in the quick outline.

Author: akurtakov

rpm/org.eclipse.linuxtools.rpm.ui.editor/src/org/eclipse/linuxtools/rpm/ui/editor/outline/SpecfileQuickOutlineDialog.java

@@ -114,7 +114,11 @@ private void stringMatcherUpdated() {
 		treeViewer.getControl().setRedraw(false);
 		treeViewer.refresh();
 		treeViewer.expandAll();
-		treeViewer.getTree().select(treeViewer.getTree().getItem(0));
+		if(treeViewer.getTree().getTopItem() != null && treeViewer.getTree().getTopItem().getItemCount() > 0) {
+			treeViewer.getTree().select(treeViewer.getTree().getTopItem().getItem(0));
+		} else if(treeViewer.getTree().getItemCount()>0) {
+			treeViewer.getTree().select(treeViewer.getTree().getItem(0));
+		}
 		treeViewer.getControl().setRedraw(true);
 	}