Exemplos de QSortFilterProxyModel::setData em C++ (Cpp)

Exemplo n.º 1

Arquivo: mysqlrelationaldelegate.cpp Projeto: VictorCarlquist/GSMESAP

void mySqlRelationalDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
    if (!index.isValid())
        return;

    QSqlRelationalTableModel *sqlModel = qobject_cast<QSqlRelationalTableModel *>(model);
    QSortFilterProxyModel* proxyModel = NULL;
    if (!sqlModel )
    {
        proxyModel = qobject_cast<QSortFilterProxyModel *>(model);
        if (proxyModel)
             sqlModel = qobject_cast<QSqlRelationalTableModel *>(proxyModel->sourceModel());
    }

    QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;
    QComboBox *combo = qobject_cast<QComboBox *>(editor);
    if (!sqlModel || !childModel || !combo) {
        QItemDelegate::setModelData(editor, model, index);
        return;
    }

    int currentItem = combo->currentIndex();
    int childColIndex = childModel->fieldIndex(sqlModel->relation(index.column()).displayColumn());
    int childEditIndex = childModel->fieldIndex(sqlModel->relation(index.column()).indexColumn());


    if (proxyModel) {
        proxyModel->setData(index, childModel->data(childModel->index(currentItem, childColIndex), Qt::DisplayRole), Qt::DisplayRole);
        proxyModel->setData(index, childModel->data(childModel->index(currentItem, childEditIndex), Qt::EditRole), Qt::EditRole);
    } else {
        sqlModel->setData(index, childModel->data(childModel->index(currentItem, childColIndex), Qt::DisplayRole), Qt::DisplayRole);
        sqlModel->setData(index, childModel->data(childModel->index(currentItem, childEditIndex), Qt::EditRole), Qt::EditRole);
    }
}