diff options
Diffstat (limited to 'tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp')
| -rw-r--r-- | tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp | 189 |
1 files changed, 181 insertions, 8 deletions
diff --git a/tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp b/tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp index 02a4824c4b..4578bcdab6 100644 --- a/tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp +++ b/tests/auto/corelib/itemmodels/qsortfilterproxymodel/tst_qsortfilterproxymodel.cpp @@ -54,6 +54,8 @@ typedef QList<int> IntList; typedef QPair<int, int> IntPair; typedef QList<IntPair> IntPairList; +Q_DECLARE_METATYPE(QList<QPersistentModelIndex>) + class tst_QSortFilterProxyModel : public QObject { Q_OBJECT @@ -134,6 +136,7 @@ private slots: void testMultipleProxiesWithSelection(); void mapSelectionFromSource(); + void testResetInternalData(); void filteredColumns(); void headerDataChanged(); @@ -143,6 +146,8 @@ private slots: void hierarchyFilterInvalidation(); void simpleFilterInvalidation(); + void chainedProxyModelRoleNames(); + protected: void buildHierarchy(const QStringList &data, QAbstractItemModel *model); void checkHierarchy(const QStringList &data, const QAbstractItemModel *model); @@ -174,9 +179,7 @@ tst_QSortFilterProxyModel::tst_QSortFilterProxyModel() void tst_QSortFilterProxyModel::initTestCase() { - qRegisterMetaType<IntList>("IntList"); - qRegisterMetaType<IntPair>("IntPair"); - qRegisterMetaType<IntPairList>("IntPairList"); + qRegisterMetaType<QList<QPersistentModelIndex> >(); m_model = new QStandardItemModel(0, 1); m_proxy = new QSortFilterProxyModel(); m_proxy->setSourceModel(m_model); @@ -3242,7 +3245,142 @@ void tst_QSortFilterProxyModel::resetInvalidate() QCOMPARE(ok, works); } -Q_DECLARE_METATYPE(QList<QPersistentModelIndex>) +/** + * 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 invocation 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"); + +} void tst_QSortFilterProxyModel::testParentLayoutChanged() { @@ -3276,8 +3414,6 @@ void tst_QSortFilterProxyModel::testParentLayoutChanged() proxy2.setSourceModel(&proxy); proxy2.setObjectName("proxy2"); - qRegisterMetaType<QList<QPersistentModelIndex> >(); - QSignalSpy dataChangedSpy(&model, SIGNAL(dataChanged(QModelIndex,QModelIndex))); QVERIFY(dataChangedSpy.isValid()); @@ -3411,8 +3547,6 @@ private: void tst_QSortFilterProxyModel::moveSourceRows() { - qRegisterMetaType<QList<QPersistentModelIndex> >(); - DynamicTreeModel model; { @@ -3635,6 +3769,45 @@ void tst_QSortFilterProxyModel::simpleFilterInvalidation() model.insertRow(0, new QStandardItem("extra")); } +class CustomRoleNameModel : public QAbstractListModel +{ + Q_OBJECT +public: + CustomRoleNameModel(QObject *parent = 0) : QAbstractListModel(parent) {} + + QVariant data(const QModelIndex &index, int role) const + { + Q_UNUSED(index); + Q_UNUSED(role); + return QVariant(); + } + + int rowCount(const QModelIndex &parent = QModelIndex()) const + { + Q_UNUSED(parent); + return 0; + } + + QHash<int, QByteArray> roleNames() const + { + QHash<int, QByteArray> rn = QAbstractListModel::roleNames(); + rn[Qt::UserRole + 1] = "custom"; + return rn; + } +}; + +void tst_QSortFilterProxyModel::chainedProxyModelRoleNames() +{ + QSortFilterProxyModel proxy1; + QSortFilterProxyModel proxy2; + CustomRoleNameModel customModel; + + proxy2.setSourceModel(&proxy1); + + // changing the sourceModel of proxy1 must also update roleNames of proxy2 + proxy1.setSourceModel(&customModel); + QVERIFY(proxy2.roleNames().value(Qt::UserRole + 1) == "custom"); +} QTEST_MAIN(tst_QSortFilterProxyModel) #include "tst_qsortfilterproxymodel.moc" |