From 15d8b51bf82610c663f80fe552a1c0315e137ad3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
Date: Tue, 5 Feb 2013 17:33:49 +0000
Subject: [PATCH] Resolves: rhbz#907933 crash on removing second last para in
 cell...

if (basically) the last para is on next page

Change-Id: Iaff610ea94a829e73bfb8c694a27e0e9b4f6e295
Reviewed-on: https://gerrit.libreoffice.org/2012
Tested-by: Michael Stahl <mstahl@redhat.com>
Reviewed-by: Michael Stahl <mstahl@redhat.com>
---
 sw/source/core/inc/tabfrm.hxx    |  2 ++
 sw/source/core/layout/tabfrm.cxx | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/sw/source/core/inc/tabfrm.hxx b/sw/source/core/inc/tabfrm.hxx
index 464fc9c..1041385 100644
--- a/sw/source/core/inc/tabfrm.hxx
+++ b/sw/source/core/inc/tabfrm.hxx
@@ -151,6 +151,8 @@ public:
     //
     sal_Bool HasFollowFlowLine() const { return bHasFollowFlowLine; }
     void SetFollowFlowLine( sal_Bool bNew ) { bHasFollowFlowLine = bNew; }
+    //return the SwTabFrm (if any) that this SwTabFrm is a follow flow line for
+    SwTabFrm* GetFollowFlowLineFor();
 
     sal_Bool IsRebuildLastLine() const { return bIsRebuildLastLine; }
     void SetRebuildLastLine( sal_Bool bNew ) { bIsRebuildLastLine = bNew; }
diff --git a/sw/source/core/layout/tabfrm.cxx b/sw/source/core/layout/tabfrm.cxx
index 27ad754..fb23128 100644
--- a/sw/source/core/layout/tabfrm.cxx
+++ b/sw/source/core/layout/tabfrm.cxx
@@ -132,8 +132,28 @@ extern const SwTable   *pRowCacheLastTable;
 extern const SwTabFrm  *pRowCacheLastTabFrm;
 extern const SwFrm     *pRowCacheLastCellFrm;
 
+//return the SwTabFrm (if any) that this SwTabFrm is a follow flow line for
+SwTabFrm* SwTabFrm::GetFollowFlowLineFor()
+{
+    SwFlowFrm *pPrec = GetPrecede();
+    if (pPrec && pPrec->GetFrm()->IsTabFrm())
+    {
+        SwTabFrm *pPrevTabFrm = (SwTabFrm*)pPrec;
+        assert(this == pPrevTabFrm->GetFollow());
+        if (pPrevTabFrm->HasFollowFlowLine() && pPrevTabFrm->GetFollow() == this)
+            return pPrevTabFrm;
+    }
+    return NULL;
+}
+
 SwTabFrm::~SwTabFrm()
 {
+    //rhbz#907933, we are a follow flow line for something and have been
+    //deleted, remove ourself as a follow flowline
+    SwTabFrm* pFlowFrameFor = GetFollowFlowLineFor();
+    if (pFlowFrameFor)
+        pFlowFrameFor->RemoveFollowFlowLine();
+
     // There is some terrible code in fetab.cxx, that
     // makes use of these global pointers. Obviously
     // this code did not consider that a TabFrm can be
-- 
1.8.1.2