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Diffstat (limited to 'tests/auto/qtquick2/qquicklistview/incrementalmodel.cpp')
-rw-r--r-- | tests/auto/qtquick2/qquicklistview/incrementalmodel.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/tests/auto/qtquick2/qquicklistview/incrementalmodel.cpp b/tests/auto/qtquick2/qquicklistview/incrementalmodel.cpp new file mode 100644 index 0000000000..53d30915f5 --- /dev/null +++ b/tests/auto/qtquick2/qquicklistview/incrementalmodel.cpp @@ -0,0 +1,89 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "incrementalmodel.h" +#include <QGuiApplication> +#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(); +} |