diff options
Diffstat (limited to 'tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.cpp')
-rw-r--r-- | tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.cpp b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.cpp new file mode 100644 index 0000000000..fe87a2abc4 --- /dev/null +++ b/tests/benchmarks/widgets/graphicsview/functional/GraphicsViewBenchmark/widgets/listmodel.cpp @@ -0,0 +1,133 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "listmodel.h" +#include "recycledlistitem.h" + +ListModel::ListModel(QObject *parent) + : QAbstractListModel(parent) + , m_items() +{ + +} + +ListModel::~ListModel() +{ + qDeleteAll(m_items); + m_items.clear(); +} + +int ListModel::rowCount(const QModelIndex &parent) const +{ + if (parent.isValid()) + return 0; + return m_items.count(); +} + +QVariant ListModel::data(const QModelIndex &index, int role) const +{ + if (!index.isValid()) + return QVariant(); + + if (index.row() >= m_items.size() || index.row() < 0) + return QVariant(); + + switch (role) + { + case Qt::DisplayRole: + return QVariant::fromValue(m_items.at(index.row())->data(role)); + default: + return QVariant(); + } +} + +bool ListModel::setData(const QModelIndex &index, const QVariant &value, int role) +{ + // TODO implement if we like to edit list items + Q_UNUSED(index) + Q_UNUSED(value) + Q_UNUSED(role) + return false; +} + +void ListModel::clear() +{ + m_items.clear(); + reset(); +} + +QModelIndex ListModel::index(int row, int column, const QModelIndex &parent) const +{ + if (hasIndex(row, column, parent)) + return createIndex(row, column, m_items.at(row)); + + return QModelIndex(); +} + +void ListModel::insert(int row, RecycledListItem *item) +{ + if (item) + item->setModel(this); + if (!item || m_items.contains(item) ) { + return; + } + if (row < 0) + row = 0; + else if (row > m_items.count()) + row = m_items.count(); + beginInsertRows(QModelIndex(), row, row); + m_items.insert(row, item); + endInsertRows(); +} + +void ListModel::appendRow(RecycledListItem *item) +{ + if (!item) return; + item->setModel(this); + insert(rowCount(),item); +} + +RecycledListItem *ListModel::item(const int row) const +{ + if (row < 0 || row > m_items.count()) + return 0; + return m_items.at(row); +} + +RecycledListItem *ListModel::takeItem(const int row) +{ + if (row < 0 || row >= m_items.count()) + return 0; + + beginRemoveRows(QModelIndex(), row, row); + RecycledListItem *item = m_items.takeAt(row); + endRemoveRows(); + + return item; +} + |