From d6ed7e932f270222ad332d20fb0625d77e62ab0f Mon Sep 17 00:00:00 2001
From: Martin Kleusberg <mkleusberg@gmail.com>
Date: Tue, 7 May 2013 20:25:35 +0200
Subject: [PATCH] Show error message when changing table data fails

Give the user an error message when setting new data for a cell fails.
This is especially useful when the problem is caused by foreign key
constraints.
---
 src/sqlitetablemodel.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sqlitetablemodel.cpp b/src/sqlitetablemodel.cpp
index 60699f58..03e621bd 100644
--- a/src/sqlitetablemodel.cpp
+++ b/src/sqlitetablemodel.cpp
@@ -1,6 +1,8 @@
 #include "sqlitetablemodel.h"
 #include "sqlitedb.h"
 #include <QDebug>
+#include <QMessageBox>
+#include <QApplication>
 
 SqliteTableModel::SqliteTableModel(QObject* parent, DBBrowserDB* db, size_t chunkSize)
     : QAbstractTableModel(parent)
@@ -160,6 +162,7 @@ bool SqliteTableModel::setData(const QModelIndex& index, const QVariant& value,
             emit(dataChanged(index, index));
             return true;
         } else {
+            QMessageBox::warning(0, qApp->applicationName(), tr("Error changing data:\n%1").arg(m_db->lastErrorMessage));
             return false;
         }
     }