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| |
| #ifndef QQMLADAPTORMODEL_P_H |
| #define QQMLADAPTORMODEL_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qabstractitemmodel.h> |
| |
| #include <private/qqmlglobal_p.h> |
| #include <private/qqmllistaccessor_p.h> |
| #include <private/qtqmlmodelsglobal_p.h> |
| #include <private/qqmlguard_p.h> |
| #include <private/qqmlnullablevalue_p.h> |
| #include <private/qqmlpropertycache_p.h> |
| |
| QT_REQUIRE_CONFIG(qml_delegate_model); |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQmlEngine; |
| |
| class QQmlDelegateModel; |
| class QQmlDelegateModelItem; |
| class QQmlDelegateModelItemMetaType; |
| |
| class Q_QMLMODELS_PRIVATE_EXPORT QQmlAdaptorModel : public QQmlStrongJSQObjectReference<QObject> |
| { |
| public: |
| class Accessors |
| { |
| public: |
| inline Accessors() {} |
| virtual ~Accessors(); |
| virtual int rowCount(const QQmlAdaptorModel &) const { return 0; } |
| virtual int columnCount(const QQmlAdaptorModel &) const { return 0; } |
| virtual void cleanup(QQmlAdaptorModel &) const {} |
| |
| virtual QVariant value(const QQmlAdaptorModel &, int, const QString &) const { |
| return QVariant(); } |
| |
| virtual QQmlDelegateModelItem *createItem( |
| QQmlAdaptorModel &, |
| const QQmlRefPointer<QQmlDelegateModelItemMetaType> &, |
| int, int, int) const { return nullptr; } |
| |
| virtual bool notify( |
| const QQmlAdaptorModel &, |
| const QList<QQmlDelegateModelItem *> &, |
| int, |
| int, |
| const QVector<int> &) const { return false; } |
| virtual void replaceWatchedRoles( |
| QQmlAdaptorModel &, |
| const QList<QByteArray> &, |
| const QList<QByteArray> &) const {} |
| virtual QVariant parentModelIndex(const QQmlAdaptorModel &) const { |
| return QVariant(); } |
| virtual QVariant modelIndex(const QQmlAdaptorModel &, int) const { |
| return QVariant(); } |
| virtual bool canFetchMore(const QQmlAdaptorModel &) const { return false; } |
| virtual void fetchMore(QQmlAdaptorModel &) const {} |
| |
| QScopedPointer<QMetaObject, QScopedPointerPodDeleter> metaObject; |
| QQmlRefPointer<QQmlPropertyCache> propertyCache; |
| }; |
| |
| const Accessors *accessors; |
| QPersistentModelIndex rootIndex; |
| QQmlListAccessor list; |
| |
| int modelItemRevision = 0; |
| |
| QQmlAdaptorModel(); |
| ~QQmlAdaptorModel(); |
| |
| inline QVariant model() const { return list.list(); } |
| void setModel(const QVariant &variant, QObject *parent, QQmlEngine *engine); |
| void invalidateModel(); |
| |
| bool isValid() const; |
| int count() const; |
| int rowCount() const; |
| int columnCount() const; |
| int rowAt(int index) const; |
| int columnAt(int index) const; |
| int indexAt(int row, int column) const; |
| |
| void useImportVersion(int minorVersion); |
| |
| inline bool adaptsAim() const { return qobject_cast<QAbstractItemModel *>(object()); } |
| inline QAbstractItemModel *aim() { return static_cast<QAbstractItemModel *>(object()); } |
| inline const QAbstractItemModel *aim() const { return static_cast<const QAbstractItemModel *>(object()); } |
| |
| inline QVariant value(int index, const QString &role) const { |
| return accessors->value(*this, index, role); } |
| inline QQmlDelegateModelItem *createItem( |
| const QQmlRefPointer<QQmlDelegateModelItemMetaType> &metaType, int index) |
| { |
| return accessors->createItem(*this, metaType, index, rowAt(index), columnAt(index)); |
| } |
| inline bool hasProxyObject() const { |
| return list.type() == QQmlListAccessor::Instance |
| || list.type() == QQmlListAccessor::ListProperty |
| || list.type() == QQmlListAccessor::ObjectList; |
| } |
| |
| inline bool notify( |
| const QList<QQmlDelegateModelItem *> &items, |
| int index, |
| int count, |
| const QVector<int> &roles) const { |
| return accessors->notify(*this, items, index, count, roles); } |
| inline void replaceWatchedRoles( |
| const QList<QByteArray> &oldRoles, const QList<QByteArray> &newRoles) { |
| accessors->replaceWatchedRoles(*this, oldRoles, newRoles); } |
| |
| inline QVariant modelIndex(int index) const { return accessors->modelIndex(*this, index); } |
| inline QVariant parentModelIndex() const { return accessors->parentModelIndex(*this); } |
| inline bool canFetchMore() const { return accessors->canFetchMore(*this); } |
| inline void fetchMore() { return accessors->fetchMore(*this); } |
| |
| protected: |
| void objectDestroyed(QObject *) override; |
| }; |
| |
| class QQmlAdaptorModelProxyInterface |
| { |
| public: |
| virtual ~QQmlAdaptorModelProxyInterface() {} |
| |
| virtual QObject *proxiedObject() = 0; |
| }; |
| |
| #define QQmlAdaptorModelProxyInterface_iid "org.qt-project.Qt.QQmlAdaptorModelProxyInterface" |
| |
| Q_DECLARE_INTERFACE(QQmlAdaptorModelProxyInterface, QQmlAdaptorModelProxyInterface_iid) |
| |
| QT_END_NAMESPACE |
| |
| #endif |