From 200353058704581223f56d4856a9a14613b614c0 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Fri, 27 Jul 2018 09:55:47 +0200
Subject: [PATCH] replace model correctly

---
 src/gui/mainwindow.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gui/mainwindow.cpp b/src/gui/mainwindow.cpp
index 2631952..8652de4 100644
--- a/src/gui/mainwindow.cpp
+++ b/src/gui/mainwindow.cpp
@@ -49,7 +49,8 @@ void MainWindow::on_actionEditSeller_triggered()
     auto dialog = std::make_unique<SellerDialog>(this);
     int retCode = dialog->exec();
 
-    delete ui_.salesView->model();
+    auto oldModel = ui_.salesView->model();
+    ui_.salesView->setModel(nullptr);
 
     if (retCode == QDialog::Accepted) {
         marketplace_->sortSellers();
@@ -63,6 +64,7 @@ void MainWindow::on_actionEditSeller_triggered()
     }
 
     ui_.salesView->setModel(new SaleModel(getMarketplace(), ui_.salesView));
+    delete oldModel;
     ui_.salesView->setColumnHidden(2, true);
     ui_.salesView->resizeColumnToContents(0);
     connect(static_cast<BasketModel*>(ui_.basketView->model()), &BasketModel::basketDataChanged,