summaryrefslogtreecommitdiffstats
path: root/tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp')
-rw-r--r--tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp89
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp b/tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp
new file mode 100644
index 0000000..b2c9df5
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativelistview/incrementalmodel.cpp
@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "incrementalmodel.h"
+#include <QApplication>
+#include <QDebug>
+
+IncrementalModel::IncrementalModel(QObject *parent)
+ : QAbstractListModel(parent), count(0)
+{
+ for (int i = 0; i < 100; ++i)
+ list.append("Item " + QString::number(i));
+}
+
+int IncrementalModel::rowCount(const QModelIndex & /* parent */) const
+{
+ return count;
+}
+
+QVariant IncrementalModel::data(const QModelIndex &index, int role) const
+{
+ if (!index.isValid())
+ return QVariant();
+
+ if (index.row() >= list.size() || index.row() < 0)
+ return QVariant();
+
+ if (role == Qt::DisplayRole)
+ return list.at(index.row());
+ return QVariant();
+}
+
+bool IncrementalModel::canFetchMore(const QModelIndex & /* index */) const
+{
+ if (count < list.size())
+ return true;
+ else
+ return false;
+}
+
+void IncrementalModel::fetchMore(const QModelIndex & /* index */)
+{
+ int remainder = list.size() - count;
+ int itemsToFetch = qMin(5, remainder);
+
+ beginInsertRows(QModelIndex(), count, count+itemsToFetch-1);
+
+ count += itemsToFetch;
+
+ endInsertRows();
+}