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+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** 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-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QAbstractTableModel>
+#include <QSet>
+#include <QDebug>
+
+typedef QPair<QString, bool> CellData;
+
+class TestTableModel : 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:
+ TestTableModel(QObject *parent = nullptr) : QAbstractTableModel(parent) { }
+
+ int rowCount(const QModelIndex & = QModelIndex()) const override { return m_rows; }
+ void setRowCount(int count) {
+ beginResetModel();
+ m_rows = count;
+ rebuildModel();
+ emit rowCountChanged();
+ endResetModel();
+ }
+
+ int columnCount(const QModelIndex & = QModelIndex()) const override { return m_cols; }
+ void setColumnCount(int count) {
+ beginResetModel();
+ m_cols = count;
+ rebuildModel();
+ emit columnCountChanged();
+ endResetModel();
+ }
+
+ int indexValue(const QModelIndex &index) const
+ {
+ return index.row() + (index.column() * rowCount());
+ }
+
+ void rebuildModel()
+ {
+ m_modelData = QVector<QVector<CellData>>(m_cols);
+ for (int x = 0; x < m_cols; ++x) {
+ m_modelData[x] = QVector<CellData>(m_rows);
+ for (int y = 0; y < m_rows; ++y)
+ m_modelData[x][y] = qMakePair(QStringLiteral("white"), false);
+ }
+ }
+
+ QVariant data(const QModelIndex &index, int role) const override
+ {
+ if (!index.isValid())
+ return QVariant();
+
+ switch (role) {
+ case Qt::DisplayRole:
+ return m_modelData[index.column()][index.row()].first;
+ case Qt::CheckStateRole:
+ return m_modelData[index.column()][index.row()].second;
+ default:
+ return QVariant();
+ }
+
+ return QVariant();
+ }
+
+ bool setData(const QModelIndex &index, const QVariant &value,
+ int role = Qt::EditRole) override
+ {
+ if (role != Qt::CheckStateRole)
+ return false;
+
+ bool checked = value.toBool();
+ auto &cellData = m_modelData[index.column()][index.row()];
+ if (checked == cellData.second)
+ return false;
+
+ cellData.second = checked;
+
+ emit dataChanged(index, index, {role});
+ return true;
+ }
+
+ QHash<int, QByteArray> roleNames() const override
+ {
+ return {
+ {Qt::DisplayRole, "display"},
+ {Qt::CheckStateRole, "checked"}
+ };
+ }
+
+ Q_INVOKABLE void insertRows(int row, int count)
+ {
+ insertRows(row, count, QModelIndex());
+ }
+
+ Q_INVOKABLE void removeRows(int row, int count)
+ {
+ removeRows(row, count, QModelIndex());
+ }
+
+ Q_INVOKABLE void insertColumns(int column, int count)
+ {
+ insertColumns(column, count, QModelIndex());
+ }
+
+ Q_INVOKABLE void removeColumns(int column, int count)
+ {
+ removeColumns(column, count, QModelIndex());
+ }
+
+ bool insertRows(int row, int count, const QModelIndex &) override
+ {
+ if (row > m_rows)
+ return false;
+
+ beginInsertRows(QModelIndex(), row, row + count - 1);
+
+ m_rows += count;
+
+ for (int y = 0; y < count; ++y) {
+ for (int x = 0; x < m_cols; ++x)
+ m_modelData[x].insert(row, qMakePair(QStringLiteral("lightgreen"), false));
+ }
+
+ endInsertRows();
+
+ return true;
+ }
+
+ bool removeRows(int row, int count, const QModelIndex &) override
+ {
+ if (row + count > m_rows)
+ count = m_rows - row;
+ if (count < 1)
+ return false;
+
+ beginRemoveRows(QModelIndex(), row, row + count - 1);
+
+ m_rows -= count;
+
+ for (int y = 0; y < count; ++y) {
+ for (int x = 0; x < m_cols; ++x)
+ m_modelData[x].remove(row);
+ }
+
+ endRemoveRows();
+
+ return true;
+ }
+
+ bool insertColumns(int column, int count, const QModelIndex &) override
+ {
+ if (column > m_cols)
+ return false;
+
+ beginInsertColumns(QModelIndex(), column, column + count - 1);
+
+ m_cols += count;
+
+ for (int x = 0; x < count; ++x) {
+ const int c = column + x;
+ m_modelData.insert(c, QVector<CellData>(m_rows));
+ for (int y = 0; y < m_rows; ++y)
+ m_modelData[c][y] = qMakePair(QStringLiteral("lightblue"), false);
+ }
+
+ endInsertColumns();
+
+ return true;
+ }
+
+ bool removeColumns(int column, int count, const QModelIndex &) override
+ {
+ if (column + count > m_cols)
+ count = m_cols - column;
+ if (count < 1)
+ return false;
+
+ beginRemoveColumns(QModelIndex(), column, column + count - 1);
+
+ m_cols -= count;
+
+ for (int x = 0; x < count; ++x)
+ m_modelData.remove(column + x);
+
+ endRemoveColumns();
+
+ return true;
+ }
+
+signals:
+ void rowCountChanged();
+ void columnCountChanged();
+
+private:
+ int m_rows = 0;
+ int m_cols = 0;
+
+ QVector<QVector<CellData>> m_modelData;
+};
+
+int main(int argc, char *argv[])
+{
+ QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+ QGuiApplication app(argc, argv);
+
+ qmlRegisterType<TestTableModel>("TestTableModel", 0, 1, "TestTableModel");
+
+ QQmlApplicationEngine engine;
+ engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+ return app.exec();
+}
+
+#include "main.moc"