Описание класса QSqlRelationalDelegateThe QSqlRelationalDelegate class provides a delegate that is used to display and edit data from a QSqlRelationalTableModel. Далее... #include <QSqlRelationalDelegate> Inherits: QItemDelegate. Открытые функции
Переопределённые открытые функции
Дополнительные унаследованные члены
Подробное описаниеThe QSqlRelationalDelegate class provides a delegate that is used to display and edit data from a QSqlRelationalTableModel. Unlike the default delegate, QSqlRelationalDelegate provides a combobox for fields that are foreign keys into other tables. To use the class, simply call QAbstractItemView::setItemDelegate() on the view with an instance of QSqlRelationalDelegate: QTableView *view = new QTableView; view->setModel(model); view->setItemDelegate(new QSqlRelationalDelegate(view)); The Relational Table Model example (shown below) illustrates how to use QSqlRelationalDelegate in conjunction with QSqlRelationalTableModel to provide tables with foreign key support. See also QSqlRelationalTableModel and Model/View Programming. Описание функций-членовQSqlRelationalDelegate::QSqlRelationalDelegate ( QObject * parent = 0 )Constructs a QSqlRelationalDelegate object with the given parent. QSqlRelationalDelegate::~QSqlRelationalDelegate ()Destroys the QSqlRelationalDelegate object and frees any allocated resources. QWidget * QSqlRelationalDelegate::createEditor ( QWidget * parent, const QStyleOptionViewItem & option, const QModelIndex & index ) const [virtual]Reimplemented from QAbstractItemDelegate::createEditor(). void QSqlRelationalDelegate::setEditorData ( QWidget * editor, const QModelIndex & index ) const [virtual]Reimplemented from QAbstractItemDelegate::setEditorData(). void QSqlRelationalDelegate::setModelData ( QWidget * editor, QAbstractItemModel * model, const QModelIndex & index ) const [virtual]Reimplemented from QAbstractItemDelegate::setModelData(). |
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