From 54b4a20e07a4566d34a256039b36505c5b1f64b1 Mon Sep 17 00:00:00 2001
From: Jaydeep Solanki <jaydp17@gmail.com>
Date: Tue, 15 Jan 2013 01:20:59 +0100
Subject: [PATCH] No need to prepare for reloading if there's nothing to reload

Part of review 108404
The other part was fixed in the previous commit in a different way
REVIEW: 108404
---
 ui/toc.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ui/toc.cpp b/ui/toc.cpp
index 7e284f380..bfb0c5a48 100644
--- a/ui/toc.cpp
+++ b/ui/toc.cpp
@@ -84,6 +84,9 @@ void TOC::notifyCurrentPageChanged( int, int )
 
 void TOC::prepareForReload()
 {
+    if( m_model->isEmpty() )
+        return;
+
     const QVector<QModelIndex> list = expandedNodes();
     TOCModel *m = m_model;
     m_model = new TOCModel( m_document, m_treeView );