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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite 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 <QtCore/QtCore>
#include <QtGui/QStandardItemModel>
class TestModel : public QAbstractTableModel
{
Q_OBJECT
Q_PROPERTY(int rowCount READ rowCount WRITE setRowCount NOTIFY rowCountChanged)
Q_PROPERTY(int columnCount READ columnCount WRITE setColumnCount NOTIFY columnCountChanged)
public:
TestModel(QObject *parent = nullptr)
: QAbstractTableModel(parent)
{}
TestModel(int rows, int columns, QObject *parent = nullptr)
: QAbstractTableModel(parent)
, m_rows(rows)
, m_columns(columns)
{}
int rowCount(const QModelIndex & = QModelIndex()) const override { return m_rows; }
void setRowCount(int count) { beginResetModel(); m_rows = count; emit rowCountChanged(); endResetModel(); }
int columnCount(const QModelIndex & = QModelIndex()) const override { return m_columns; }
void setColumnCount(int count) { beginResetModel(); m_columns = count; emit columnCountChanged(); endResetModel(); }
QVariant data(const QModelIndex &index, int role) const override
{
if (!index.isValid() || role != Qt::DisplayRole)
return QVariant();
int serializedIndex = index.row() + (index.column() * m_columns);
if (modelData.contains(serializedIndex))
return modelData.value(serializedIndex);
return QStringLiteral("%1").arg(index.row());
}
QHash<int, QByteArray> roleNames() const override
{
return { {Qt::DisplayRole, "display"} };
}
Q_INVOKABLE void setModelData(const QPoint &cell, const QSize &span, const QString &string)
{
for (int c = 0; c < span.width(); ++c) {
for (int r = 0; r < span.height(); ++r) {
const int changedRow = cell.y() + r;
const int changedColumn = cell.x() + c;
const int serializedIndex = changedRow + (changedColumn * m_rows);
modelData.insert(serializedIndex, string);
}
}
const auto topLeftIndex = createIndex(cell.y(), cell.x(), nullptr);
const auto bottomRightIndex = createIndex(cell.y() + span.height() - 1, cell.x() + span.width() - 1, nullptr);
emit dataChanged(topLeftIndex, bottomRightIndex);
}
bool insertRows(int row, int count, const QModelIndex &parent = QModelIndex()) override
{
if (row < 0 || count <= 0)
return false;
beginInsertRows(parent, row, row + count - 1);
m_rows += count;
endInsertRows();
return true;
}
bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex()) override
{
if (!checkIndex(createIndex(row, 0)) || !checkIndex(createIndex(row + count - 1, 0)))
return false;
beginRemoveRows(parent, row, row + count - 1);
m_rows -= count;
endRemoveRows();
return true;
}
bool insertColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override
{
if (column < 0 || count <= 0)
return false;
beginInsertColumns(parent, column, column + count - 1);
m_columns += count;
endInsertColumns();
return true;
}
bool removeColumns(int column, int count, const QModelIndex &parent = QModelIndex()) override
{
if (!checkIndex(createIndex(0, column)) || !checkIndex(createIndex(0, column + count - 1)))
return false;
beginRemoveColumns(parent, column, column + count - 1);
m_columns -= count;
endRemoveColumns();
return true;
}
void swapRows(int row1, int row2)
{
layoutAboutToBeChanged();
Q_ASSERT(modelData.contains(row1));
Q_ASSERT(modelData.contains(row2));
const QString tmp = modelData[row1];
modelData[row1] = modelData[row2];
modelData[row2] = tmp;
layoutChanged();
}
void clear() {
beginResetModel();
m_rows = 0;
m_columns = 0;
modelData.clear();
endResetModel();
}
Q_INVOKABLE void addRow(int row)
{
insertRow(row, QModelIndex());
}
signals:
void rowCountChanged();
void columnCountChanged();
private:
int m_rows = 0;
int m_columns = 0;
QHash<int, QString> modelData;
};
#define TestModelAsVariant(...) QVariant::fromValue(QSharedPointer<TestModel>(new TestModel(__VA_ARGS__)))
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