bool Utils::ModelListModel::insertColumns(int column, int count, const QModelIndex& parent)
{
	Utils::ModelListModel::SubModelIndex smi = mapToSource(parent);
	if (smi.first == m_metaModel && smi.second.parent().isValid())
	{
		QAbstractItemModel* subModel = m_subModels.value(smi.second.row());
		if (subModel)
			return subModel->insertColumns(column, count);
	}
	return smi.first->insertColumns(column, count, smi.second);
}
Beispiel #2
0
/*!
    Fills model with some test data at least twenty rows and if possible twenty or more columns.
    Return the parent of a row/column that can be tested.

    NOTE: If readOnly is true tests will try to remove and add rows and columns.
    If you have a tree model returning not the root index will help catch more errors.
 */
QModelIndex ModelsToTest::populateTestArea(QAbstractItemModel *model)
{
    if (QStringListModel *stringListModel = qobject_cast<QStringListModel *>(model)) {
        QString alphabet = "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z";
        stringListModel->setStringList( alphabet.split(",") );
        return QModelIndex();
    }

    if (qobject_cast<QStandardItemModel *>(model)) {
        // Basic tree StandardItemModel
        QModelIndex parent;
        QVariant blue = QVariant(QColor(Qt::blue));
#ifndef Q_OS_WINCE
        for (int i = 0; i < 4; ++i) {
#else
        for (int i = 0; i < 2; ++i) {
#endif
            parent = model->index(0, 0, parent);
            model->insertRows(0, 26 + i, parent);
#ifndef Q_OS_WINCE
            model->insertColumns(0, 26 + i, parent);
#else
            model->insertColumns(0, 4 + i, parent);
#endif
            // Fill in some values to make it easier to debug
            /*
            for (int x = 0; x < 26 + i; ++x) {
                QString xval = QString::number(x);
                for (int y = 0; y < 26 + i; ++y) {
                    QString val = xval + QString::number(y) + QString::number(i);
                    QModelIndex index = model->index(x, y, parent);
                    model->setData(index, val);
                    model->setData(index, blue, Qt::TextColorRole);
                }
            }
            */
        }
        return model->index(0,0);
    }

    if (qobject_cast<QSortFilterProxyModel *>(model)) {
        QAbstractItemModel *realModel = (qobject_cast<QSortFilterProxyModel *>(model))->sourceModel();
        // Basic tree StandardItemModel
        QModelIndex parent;
        QVariant blue = QVariant(QColor(Qt::blue));
#ifndef Q_OS_WINCE
        for (int i = 0; i < 4; ++i) {
#else
        for (int i = 0; i < 2; ++i) {
#endif
            parent = realModel->index(0, 0, parent);
            realModel->insertRows(0, 26+i, parent);
#ifndef Q_OS_WINCE
            realModel->insertColumns(0, 26+i, parent);
#else
            realModel->insertColumns(0, 4, parent);
#endif
            // Fill in some values to make it easier to debug
            /*
            for (int x = 0; x < 26+i; ++x) {
                QString xval = QString::number(x);
                for (int y = 0; y < 26 + i; ++y) {
                    QString val = xval + QString::number(y) + QString::number(i);
                    QModelIndex index = realModel->index(x, y, parent);
                    realModel->setData(index, val);
                    realModel->setData(index, blue, Qt::TextColorRole);
                }
            }
            */
        }
        QModelIndex returnIndex = model->index(0,0);
        if (!returnIndex.isValid())
            qFatal("%s: model index to be returned is invalid", Q_FUNC_INFO);
        return returnIndex;
    }

    if (QDirModel *dirModel = qobject_cast<QDirModel *>(model)) {
        if (!QDir::current().mkdir("test"))
            qFatal("%s: cannot create directory %s",
                   Q_FUNC_INFO,
                   qPrintable(QDir::toNativeSeparators(QDir::currentPath()+"/test")));
        for (int i = 0; i < 26; ++i) {
            QString subdir = QString("test/foo_%1").arg(i);
            if (!QDir::current().mkdir(subdir))
                qFatal("%s: cannot create directory %s",
                       Q_FUNC_INFO,
                       qPrintable(QDir::toNativeSeparators(QDir::currentPath()+"/"+subdir)));
        }
        return dirModel->index(QDir::currentPath()+"/test");
    }

    if (QSqlQueryModel *queryModel = qobject_cast<QSqlQueryModel *>(model)) {
        QSqlQuery q;
        q.exec("CREATE TABLE test(id int primary key, name varchar(30))");
        q.prepare("INSERT INTO test(id, name) values (?, ?)");
#ifndef Q_OS_WINCE
        for (int i = 0; i < 1024; ++i) {
#else
        for (int i = 0; i < 512; ++i) {
#endif
            q.addBindValue(i);
            q.addBindValue("Mr. Smith" + QString::number(i));
            q.exec();
        }
        if (QSqlTableModel *tableModel = qobject_cast<QSqlTableModel *>(model)) {
            tableModel->setTable("test");
            tableModel->setEditStrategy(QSqlTableModel::OnManualSubmit);
            tableModel->select();
        } else {
            queryModel->setQuery("select * from test");
        }
        return QModelIndex();
    }

    if (QListWidget *listWidget = qobject_cast<QListWidget *>(model->parent())) {
#ifndef Q_OS_WINCE
        int items = 100;
#else
        int items = 50;
#endif
        while (items--)
            listWidget->addItem(QString("item %1").arg(items));
        return QModelIndex();
    }

    if (QTableWidget *tableWidget = qobject_cast<QTableWidget *>(model->parent())) {
        tableWidget->setColumnCount(20);
        tableWidget->setRowCount(20);
        return QModelIndex();
    }

    if (QTreeWidget *treeWidget = qobject_cast<QTreeWidget *>(model->parent())) {
        int topItems = 20;
        treeWidget->setColumnCount(1);
        QTreeWidgetItem *parent;
        while (topItems--){
            parent = new QTreeWidgetItem(treeWidget, QStringList(QString("top %1").arg(topItems)));
            for (int i = 0; i < 20; ++i)
                new QTreeWidgetItem(parent, QStringList(QString("child %1").arg(topItems)));
        }
        return QModelIndex();
    }

    qFatal("%s: unknown type of model", Q_FUNC_INFO);
    return QModelIndex();
}

/*!
    If you need to cleanup from populateTest() do it here.
    Note that this is called after every test even if populateTestArea isn't called.
 */
void ModelsToTest::cleanupTestArea(QAbstractItemModel *model)
{
    if (qobject_cast<QDirModel *>(model))
    {
        if (QDir(QDir::currentPath()+"/test").exists())
        {
            for (int i = 0; i < 26; ++i) {
                QString subdir(QString("test/foo_%1").arg(i));
                if (!QDir::current().rmdir(subdir))
                    qFatal("%s: cannot remove directory %s",
                           Q_FUNC_INFO,
                           qPrintable(QDir::toNativeSeparators(QDir::currentPath()+"/"+subdir)));
            }
            if (!QDir::current().rmdir("test"))
                qFatal("%s: cannot remove directory %s",
                       Q_FUNC_INFO,
                       qPrintable(QDir::toNativeSeparators(QDir::currentPath()+"/test")));
        }
    } else if (qobject_cast<QSqlQueryModel *>(model)) {
        QSqlQuery q("DROP TABLE test");
    }
}

void ModelsToTest::setupDatabase()
{
    if (!QSqlDatabase::database().isValid()) {
        QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
        db.setDatabaseName(":memory:");
        if (!db.open()) {
            qWarning() << "Unable to open database" << db.lastError();
            return;
        }
    }
}