diff options
4 files changed, 1 insertions, 198 deletions
diff --git a/doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp b/doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp index cf40f9a05a..5919c01085 100644 --- a/doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp +++ b/doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp @@ -86,38 +86,3 @@ beginMoveRows(parent, 2, 2, parent, 0); //! [9] beginMoveRows(parent, 2, 2, parent, 4); //! [9] - - -//! [10] -class CustomDataProxy : public QSortFilterProxyModel -{ - Q_OBJECT -public: - CustomDataProxy(QObject *parent) - : QSortFilterProxyModel(parent) - { - } - - ... - - QVariant data(const QModelIndex &index, int role) - { - if (role != Qt::BackgroundRole) - return QSortFilterProxyModel::data(index, role); - - if (m_customData.contains(index.row())) - return m_customData.value(index.row()); - return QSortFilterProxyModel::data(index, role); - } - -private slots: - void resetInternalData() - { - m_customData.clear(); - } - -private: - QHash<int, QVariant> m_customData; -}; -//! [10] - diff --git a/src/gui/itemviews/qabstractproxymodel.cpp b/src/gui/itemviews/qabstractproxymodel.cpp index 34ca7dff50..82b6c8d26a 100644 --- a/src/gui/itemviews/qabstractproxymodel.cpp +++ b/src/gui/itemviews/qabstractproxymodel.cpp @@ -121,15 +121,12 @@ QAbstractProxyModel::~QAbstractProxyModel() void QAbstractProxyModel::setSourceModel(QAbstractItemModel *sourceModel) { Q_D(QAbstractProxyModel); - if (d->model) { + if (d->model) disconnect(d->model, SIGNAL(destroyed()), this, SLOT(_q_sourceModelDestroyed())); - disconnect(d->model, SIGNAL(modelReset()), this, SLOT(resetInternalData())); - } if (sourceModel) { d->model = sourceModel; connect(d->model, SIGNAL(destroyed()), this, SLOT(_q_sourceModelDestroyed())); - connect(d->model, SIGNAL(modelReset()), this, SLOT(resetInternalData())); } else { d->model = QAbstractItemModelPrivate::staticEmptyModel(); } @@ -383,25 +380,6 @@ Qt::DropActions QAbstractProxyModel::supportedDropActions() const return d->model->supportedDropActions(); } -/* - \since 4.8 - - This slot is called just after the internal data of a model is cleared - while it is being reset. - - This slot is provided the convenience of subclasses of concrete proxy - models, such as subclasses of QSortFilterProxyModel which maintain extra - data. - - \snippet doc/src/snippets/code/src_corelib_kernel_qabstractitemmodel.cpp 10 - - \sa modelAboutToBeReset(), modelReset() -*/ -void QAbstractProxyModel::resetInternalData() -{ - -} - QT_END_NAMESPACE #include "moc_qabstractproxymodel.cpp" diff --git a/src/gui/itemviews/qabstractproxymodel.h b/src/gui/itemviews/qabstractproxymodel.h index 6e485aec12..4f3bc18448 100644 --- a/src/gui/itemviews/qabstractproxymodel.h +++ b/src/gui/itemviews/qabstractproxymodel.h @@ -95,9 +95,6 @@ public: QStringList mimeTypes() const; Qt::DropActions supportedDropActions() const; -protected Q_SLOTS: - void resetInternalData(); - protected: QAbstractProxyModel(QAbstractProxyModelPrivate &, QObject *parent); diff --git a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp index d26f0cd0f5..8e7f39335c 100644 --- a/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp +++ b/tests/auto/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp @@ -149,7 +149,6 @@ private slots: void testMultipleProxiesWithSelection(); void mapSelectionFromSource(); - void testResetInternalData(); void filteredColumns(); protected: @@ -3183,142 +3182,6 @@ void tst_QSortFilterProxyModel::taskQTBUG_10287_unnecessaryMapCreation() // No assert failure, it passes. } -/** - * A proxy which changes the background color for items ending in 'y' or 'r' - */ -class CustomDataProxy : public QSortFilterProxyModel -{ - Q_OBJECT - -public: - CustomDataProxy(QObject *parent = 0) - : QSortFilterProxyModel(parent) - { - setDynamicSortFilter(true); - } - - void setSourceModel(QAbstractItemModel *sourceModel) - { - // It would be possible to use only the modelReset signal of the source model to clear - // the data in *this, however, this requires that the slot is connected - // before QSortFilterProxyModel::setSourceModel is called, and even then depends - // on the order of invokation of slots being the same as the order of connection. - // ie, not reliable. -// connect(sourceModel, SIGNAL(modelReset()), SLOT(resetInternalData())); - QSortFilterProxyModel::setSourceModel(sourceModel); - // Making the connect after the setSourceModel call clears the data too late. -// connect(sourceModel, SIGNAL(modelReset()), SLOT(resetInternalData())); - - // This could be done in data(), but the point is to need to cache something in the proxy - // which needs to be cleared on reset. - for (int i = 0; i < sourceModel->rowCount(); ++i) - { - if (sourceModel->index(i, 0).data().toString().endsWith(QLatin1Char('y'))) - { - m_backgroundColours.insert(i, Qt::blue); - } else if (sourceModel->index(i, 0).data().toString().endsWith(QLatin1Char('r'))) - { - m_backgroundColours.insert(i, Qt::red); - } - } - } - - QVariant data(const QModelIndex &index, int role) const - { - if (role != Qt::BackgroundRole) - return QSortFilterProxyModel::data(index, role); - return m_backgroundColours.value(index.row()); - } - -private slots: - void resetInternalData() - { - m_backgroundColours.clear(); - } - -private: - QHash<int, QColor> m_backgroundColours; -}; - -class ModelObserver : public QObject -{ - Q_OBJECT -public: - ModelObserver(QAbstractItemModel *model, QObject *parent = 0) - : QObject(parent), m_model(model) - { - connect(m_model, SIGNAL(modelAboutToBeReset()), SLOT(modelAboutToBeReset())); - connect(m_model, SIGNAL(modelReset()), SLOT(modelReset())); - } - -public slots: - void modelAboutToBeReset() - { - int reds = 0, blues = 0; - for (int i = 0; i < m_model->rowCount(); ++i) - { - QColor color = m_model->index(i, 0).data(Qt::BackgroundRole).value<QColor>(); - if (color == Qt::blue) - ++blues; - if (color == Qt::red) - ++reds; - } - QCOMPARE(blues, 11); - QCOMPARE(reds, 4); - } - - void modelReset() - { - int reds = 0, blues = 0; - for (int i = 0; i < m_model->rowCount(); ++i) - { - QColor color = m_model->index(i, 0).data(Qt::BackgroundRole).value<QColor>(); - if (color == Qt::blue) - ++blues; - if (color == Qt::red) - ++reds; - } - QCOMPARE(reds, 0); - QCOMPARE(blues, 0); - } - -private: - QAbstractItemModel * const m_model; - -}; - -void tst_QSortFilterProxyModel::testResetInternalData() -{ - - QStringListModel model(QStringList() << "Monday" - << "Tuesday" - << "Wednesday" - << "Thursday" - << "Friday" - << "January" - << "February" - << "March" - << "April" - << "May" - << "Saturday" - << "June" - << "Sunday" - << "July" - << "August" - << "September" - << "October" - << "November" - << "December"); - - CustomDataProxy proxy; - proxy.setSourceModel(&model); - - ModelObserver observer(&proxy); - - // Cause the source model to reset. - model.setStringList(QStringList() << "Spam" << "Eggs"); -} - class FilteredColumnProxyModel : public QSortFilterProxyModel { Q_OBJECT |