本文整理汇总了C++中QSqlRelationalTableModel::relation方法的典型用法代码示例。如果您正苦于以下问题：C++ QSqlRelationalTableModel::relation方法的具体用法？C++ QSqlRelationalTableModel::relation怎么用？C++ QSqlRelationalTableModel::relation使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QSqlRelationalTableModel的用法示例。
在下文中一共展示了QSqlRelationalTableModel::relation方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: setModelData
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);
}
}示例2: setModelData
void MySqlRelationDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const
{
if (!index.isValid())
return;
QSqlRelationalTableModel *sqlModel = qobject_cast<QSqlRelationalTableModel *>(model);
QSqlTableModel *childModel = sqlModel ? sqlModel->relationModel(index.column()) : 0;
QComboBox *combo = qobject_cast<QComboBox *>(editor);
if (!sqlModel || !childModel || !combo) {
if (HandbookDialog::m_record.fieldName(index.column()).contains("IS_", Qt::CaseSensitive))
{
QCheckBox * checkBox = qobject_cast<QCheckBox *>(editor);
sqlModel->setData(index, checkBox->isChecked(), Qt::DisplayRole);
sqlModel->setData(index, checkBox->isChecked(), Qt::EditRole);
return;
}
else if (HandbookDialog::m_record.fieldName(index.column()).contains("DATE_", Qt::CaseSensitive))
{
QDateEdit * dateEdit = qobject_cast<QDateEdit *>(editor);
sqlModel->setData(index, dateEdit->date().toString("yyyy-MM-dd"), Qt::DisplayRole);
sqlModel->setData(index, dateEdit->date().toString("yyyy-MM-dd"), Qt::EditRole);
return;
}
else
{
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());
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);
}