StatusQ/ConcatModel: flag added changing behavior on source model's reset
Closes: #15891
This commit is contained in:
Michał Cieślak
Michał
parent
e94fb9c6f6
commit
baa1baa17f
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@ -49,6 +49,8 @@ class ConcatModel : public QAbstractListModel, public QQmlParserStatus
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Q_PROPERTY(QStringList expectedRoles READ expectedRoles
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WRITE setExpectedRoles NOTIFY expectedRolesChanged)
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Q_PROPERTY(bool propagateResets READ propagateResets
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WRITE setPropagateResets NOTIFY propagateResetsChanged)
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public:
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explicit ConcatModel(QObject *parent = nullptr);
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@ -60,6 +62,9 @@ public:
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void setExpectedRoles(const QStringList& expectedRoles);
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const QStringList& expectedRoles() const;
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void setPropagateResets(bool propagateResets);
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bool propagateResets() const;
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Q_INVOKABLE int sourceModelRow(int row) const;
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Q_INVOKABLE QAbstractItemModel* sourceModel(int row) const;
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Q_INVOKABLE int fromSourceRow(const QAbstractItemModel* model, int row) const;
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@ -77,6 +82,7 @@ public:
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signals:
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void markerRoleNameChanged();
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void expectedRolesChanged();
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void propagateResetsChanged();
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private:
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static constexpr auto s_defaultMarkerRoleName = "whichModel";
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@ -101,6 +107,7 @@ private:
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QList<SourceModel*> m_sources;
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QStringList m_expectedRoles;
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bool m_propagateResets = false;
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QString m_markerRoleName = s_defaultMarkerRoleName;
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int m_markerRole = 0;
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@ -216,6 +216,27 @@ const QStringList& ConcatModel::expectedRoles() const
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return m_expectedRoles;
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}
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void ConcatModel::setPropagateResets(bool propagateResets)
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{
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if (m_propagateResets == propagateResets)
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return;
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m_propagateResets = propagateResets;
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emit propagateResetsChanged();
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}
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/*!
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\qmlproperty list<string> StatusQ::ConcatModel::propagateResets
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When set to true, model resets on source models result with model reset of
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the ConcatModel. Otherwise model resets of sources are handled as removals
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and insertions. Default is false.
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*/
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bool ConcatModel::propagateResets() const
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{
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return m_propagateResets;
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}
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/*!
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\qmlmethod int StatusQ::ConcatModel::sourceModelRow(row)
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@ -674,12 +695,18 @@ void ConcatModel::connectModelSlots(int index, QAbstractItemModel *model)
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if (!m_initialized)
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return;
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if (m_propagateResets) {
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this->beginResetModel();
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return;
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}
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auto currentCount = m_rowCounts[index];
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if (currentCount) {
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if (currentCount == 0)
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return;
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auto prefix = this->countPrefix(index);
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this->beginRemoveRows({}, prefix, prefix + currentCount - 1);
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}
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});
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connect(model, &QAbstractItemModel::modelReset, this, [this, model, index]
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@ -687,7 +714,10 @@ void ConcatModel::connectModelSlots(int index, QAbstractItemModel *model)
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auto count = model->rowCount();
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if (!m_initialized) {
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if (count) {
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if (count != 0) {
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if (m_propagateResets)
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this->beginResetModel();
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else
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this->beginInsertRows({}, 0, count - 1);
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initRoles();
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@ -696,19 +726,27 @@ void ConcatModel::connectModelSlots(int index, QAbstractItemModel *model)
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m_rowCounts[index] = count;
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if (m_propagateResets)
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this->endResetModel();
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else
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this->endInsertRows();
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}
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} else {
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if (m_propagateResets) {
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initRolesMapping(index, model);
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m_rowCounts[index] = count;
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this->endResetModel();
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} else {
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auto previousCount = m_rowCounts[index];
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if (previousCount) {
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if (previousCount != 0) {
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m_rowCounts[index] = 0;
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this->endRemoveRows();
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}
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initRolesMapping(index, model);
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if (count) {
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if (count != 0) {
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auto prefix = this->countPrefix(index);
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this->beginInsertRows({}, prefix, prefix + count - 1);
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@ -717,6 +755,7 @@ void ConcatModel::connectModelSlots(int index, QAbstractItemModel *model)
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this->endInsertRows();
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}
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}
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}
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});
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connect(model, &QAbstractItemModel::dataChanged, this,
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@ -185,6 +185,24 @@ private slots:
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QCOMPARE(model.fromSourceRow(sourceModel3, 4), -1);
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}
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void settingPropagateResetTest()
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{
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ConcatModel model;
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QSignalSpy spy(&model, &ConcatModel::propagateResetsChanged);
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QCOMPARE(model.propagateResets(), false);
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model.setPropagateResets(false);
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QCOMPARE(spy.count(), 0);
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model.setPropagateResets(true);
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QCOMPARE(spy.count(), 1);
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model.setPropagateResets(true);
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QCOMPARE(spy.count(), 1);
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model.setPropagateResets(false);
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QCOMPARE(spy.count(), 2);
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}
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void dataChangeTest()
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{
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QQmlEngine engine;
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@ -1539,29 +1557,15 @@ private slots:
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QCOMPARE(model.roleNames(), {});
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{
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QSignalSpy modelAboutToBeResetSpy(&model, &ConcatModel::modelAboutToBeReset);
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QSignalSpy modelResetSpy(&model, &ConcatModel::modelReset);
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QSignalSpy rowsAboutToBeInsertedSpy(&model, &ConcatModel::rowsAboutToBeInserted);
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QSignalSpy rowsInsertedSpy(&model, &ConcatModel::rowsInserted);
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ModelSignalsSpy signalsSpy(&model);
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proxy2.setSourceModel(sourceModel4);
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QCOMPARE(modelAboutToBeResetSpy.count(), 0);
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QCOMPARE(modelResetSpy.count(), 0);
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QCOMPARE(rowsAboutToBeInsertedSpy.count(), 0);
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QCOMPARE(rowsInsertedSpy.count(), 0);
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QCOMPARE(signalsSpy.count(), 0);
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QCOMPARE(model.rowCount(), 0);
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QCOMPARE(model.roleNames(), {});
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}
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{
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QSignalSpy modelAboutToBeResetSpy(&model, &ConcatModel::modelAboutToBeReset);
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QSignalSpy modelResetSpy(&model, &ConcatModel::modelReset);
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QSignalSpy rowsAboutToBeInsertedSpy(&model, &ConcatModel::rowsAboutToBeInserted);
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QSignalSpy rowsInsertedSpy(&model, &ConcatModel::rowsInserted);
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ModelSignalsSpy signalsSpy(&model);
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// checking validity inside rowsAboutToBeInserted signal
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{
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@ -1572,18 +1576,96 @@ private slots:
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proxy2.setSourceModel(sourceModel5);
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}
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QCOMPARE(modelAboutToBeResetSpy.count(), 0);
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QCOMPARE(modelResetSpy.count(), 0);
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QCOMPARE(signalsSpy.count(), 2);
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QCOMPARE(rowsAboutToBeInsertedSpy.count(), 1);
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(1), 0);
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(2), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(1), 0);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(2), 1);
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QCOMPARE(rowsInsertedSpy.count(), 1);
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QCOMPARE(rowsInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(rowsInsertedSpy.at(0).at(1), 0);
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QCOMPARE(rowsInsertedSpy.at(0).at(2), 1);
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QCOMPARE(signalsSpy.rowsInsertedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(signalsSpy.rowsInsertedSpy.at(0).at(1), 0);
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QCOMPARE(signalsSpy.rowsInsertedSpy.at(0).at(2), 1);
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auto roles = model.roleNames();
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QCOMPARE(model.rowCount(), 2);
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QCOMPARE(roles.count(), 3);
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QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "key")), 1);
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QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "key")), 2);
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QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "color")), "red");
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QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "color")), "blue");
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}
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}
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void modelResetWhenEmptyWithPropagateResetsTest()
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{
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QQmlEngine engine;
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ConcatModel model;
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model.setPropagateResets(true);
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ListModelWrapper sourceModel1(engine);
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ListModelWrapper sourceModel2(engine);
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ListModelWrapper sourceModel3(engine);
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ListModelWrapper sourceModel4(engine);
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ListModelWrapper sourceModel5(engine, QJsonArray {
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QJsonObject {{ "key", 1}, { "color", "red" }},
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QJsonObject {{ "key", 2}, { "color", "blue" }}
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});
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QQmlListProperty<SourceModel> sources = model.sources();
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SourceModel source1, source2, source3;
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IdentityModel proxy1, proxy2, proxy3;
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proxy1.setSourceModel(sourceModel1);
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proxy2.setSourceModel(sourceModel2);
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proxy3.setSourceModel(sourceModel3);
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source1.setModel(&proxy1);
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source2.setModel(&proxy2);
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source3.setModel(&proxy3);
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sources.append(&sources, &source1);
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sources.append(&sources, &source2);
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sources.append(&sources, &source3);
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QCOMPARE(model.rowCount(), 0);
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QCOMPARE(model.roleNames(), {});
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QCOMPARE(model.index(0, 0).isValid(), false);
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model.componentComplete();
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QCOMPARE(model.rowCount(), 0);
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QCOMPARE(model.roleNames(), {});
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{
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ModelSignalsSpy signalsSpy(&model);
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proxy2.setSourceModel(sourceModel4);
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QCOMPARE(signalsSpy.count(), 0);
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QCOMPARE(model.rowCount(), 0);
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QCOMPARE(model.roleNames(), {});
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}
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{
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ModelSignalsSpy signalsSpy(&model);
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// checking validity inside rowsAboutToBeInserted signal
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{
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QObject context;
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connect(&model, &ConcatModel::rowsAboutToBeInserted, &context,
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[&model] { QCOMPARE(model.rowCount(), 0); });
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proxy2.setSourceModel(sourceModel5);
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}
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QCOMPARE(signalsSpy.count(), 2);
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QCOMPARE(signalsSpy.modelAboutToBeResetSpy.count(), 1);
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QCOMPARE(signalsSpy.modelResetSpy.count(), 1);
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auto roles = model.roleNames();
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@ -1651,14 +1733,7 @@ private slots:
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// reset to empty model
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{
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QSignalSpy modelAboutToBeResetSpy(&model, &ConcatModel::modelAboutToBeReset);
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QSignalSpy modelResetSpy(&model, &ConcatModel::modelReset);
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QSignalSpy rowsAboutToBeInsertedSpy(&model, &ConcatModel::rowsAboutToBeInserted);
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QSignalSpy rowsInsertedSpy(&model, &ConcatModel::rowsInserted);
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QSignalSpy rowsAboutToBeRemovedSpy(&model, &ConcatModel::rowsAboutToBeRemoved);
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QSignalSpy rowsRemovedSpy(&model, &ConcatModel::rowsRemoved);
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ModelSignalsSpy signalsSpy(&model);
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// checking validity inside rowsAboutToBeRemoved signal
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{
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@ -1674,17 +1749,13 @@ private slots:
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proxy2.setSourceModel(sourceModel4);
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}
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QCOMPARE(modelAboutToBeResetSpy.count(), 0);
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QCOMPARE(modelResetSpy.count(), 0);
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QCOMPARE(signalsSpy.count(), 2);
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QCOMPARE(rowsAboutToBeInsertedSpy.count(), 0);
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QCOMPARE(rowsInsertedSpy.count(), 0);
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QCOMPARE(rowsAboutToBeRemovedSpy.count(), 1);
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QCOMPARE(rowsRemovedSpy.count(), 1);
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(1), 2);
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(2), 4);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsRemovedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(1), 2);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(2), 4);
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QCOMPARE(model.rowCount(), 2);
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@ -1714,14 +1785,7 @@ private slots:
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}
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// reset to not empty model
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{
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QSignalSpy modelAboutToBeResetSpy(&model, &ConcatModel::modelAboutToBeReset);
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QSignalSpy modelResetSpy(&model, &ConcatModel::modelReset);
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QSignalSpy rowsAboutToBeRemovedSpy(&model, &ConcatModel::rowsAboutToBeRemoved);
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QSignalSpy rowsRemovedSpy(&model, &ConcatModel::rowsRemoved);
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QSignalSpy rowsAboutToBeInsertedSpy(&model, &ConcatModel::rowsAboutToBeInserted);
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QSignalSpy rowsInsertedSpy(&model, &ConcatModel::rowsInserted);
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ModelSignalsSpy signalsSpy(&model);
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// checking validity inside rowsAboutToBeRemoved, rowsRemoved and
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// rowsAboutToBeInserted signals
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@ -1750,22 +1814,159 @@ private slots:
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proxy1.setSourceModel(sourceModel5);
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}
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QCOMPARE(modelAboutToBeResetSpy.count(), 0);
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QCOMPARE(modelResetSpy.count(), 0);
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QCOMPARE(signalsSpy.count(), 4);
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QCOMPARE(rowsAboutToBeRemovedSpy.count(), 1);
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(1), 0);
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QCOMPARE(rowsAboutToBeRemovedSpy.at(0).at(2), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(1), 0);
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QCOMPARE(signalsSpy.rowsAboutToBeRemovedSpy.at(0).at(2), 1);
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QCOMPARE(rowsRemovedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsRemovedSpy.count(), 1);
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QCOMPARE(rowsAboutToBeInsertedSpy.count(), 1);
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(1), 0);
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QCOMPARE(rowsAboutToBeInsertedSpy.at(0).at(2), 2);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(0), QModelIndex{});
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(1), 0);
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QCOMPARE(signalsSpy.rowsAboutToBeInsertedSpy.at(0).at(2), 2);
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QCOMPARE(rowsInsertedSpy.count(), 1);
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QCOMPARE(signalsSpy.rowsInsertedSpy.count(), 1);
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QCOMPARE(model.rowCount(), 3);
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QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "key")), 11);
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QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "key")), 12);
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QCOMPARE(model.data(model.index(2, 0), roleForName(roles, "key")), 13);
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QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "color")), "red");
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QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "color")), "blue");
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QCOMPARE(model.data(model.index(2, 0), roleForName(roles, "color")), "pink");
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}
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}
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void modelResetWhenNotEmptyWithPropagateResetsTest()
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{
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QQmlEngine engine;
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ConcatModel model;
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model.setPropagateResets(true);
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ListModelWrapper sourceModel1(engine, QJsonArray {
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QJsonObject {{ "key", 1}, { "color", "red" }},
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QJsonObject {{ "key", 2}, { "color", "blue" }}
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});
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ListModelWrapper sourceModel2(engine, QJsonArray {
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QJsonObject {{ "key", 3}},
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QJsonObject {{ "key", 4}},
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QJsonObject {{ "key", 5}}
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});
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ListModelWrapper sourceModel3(engine);
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ListModelWrapper sourceModel4(engine);
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ListModelWrapper sourceModel5(engine, QJsonArray {
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QJsonObject {{ "color", "red" }, { "name", "a" }, { "key", 11}},
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QJsonObject {{ "color", "blue" }, { "name", "b" }, { "key", 12}},
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QJsonObject {{ "color", "pink" }, { "name", "c" }, { "key", 13}}
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});
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QQmlListProperty<SourceModel> sources = model.sources();
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SourceModel source1, source2, source3;
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IdentityModel proxy1, proxy2, proxy3;
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||||
|
||||
proxy1.setSourceModel(sourceModel1);
|
||||
proxy2.setSourceModel(sourceModel2);
|
||||
proxy3.setSourceModel(sourceModel3);
|
||||
|
||||
source1.setModel(&proxy1);
|
||||
source2.setModel(&proxy2);
|
||||
source3.setModel(&proxy3);
|
||||
|
||||
sources.append(&sources, &source1);
|
||||
sources.append(&sources, &source2);
|
||||
sources.append(&sources, &source3);
|
||||
|
||||
QCOMPARE(model.rowCount(), 0);
|
||||
QCOMPARE(model.roleNames(), {});
|
||||
QCOMPARE(model.index(0, 0).isValid(), false);
|
||||
|
||||
model.componentComplete();
|
||||
|
||||
auto roles = model.roleNames();
|
||||
|
||||
QCOMPARE(model.rowCount(), 5);
|
||||
QCOMPARE(roles.count(), 3);
|
||||
|
||||
// reset to empty model
|
||||
{
|
||||
ModelSignalsSpy signalsSpy(&model);
|
||||
|
||||
// checking validity inside modelAboutToBeReset signal
|
||||
{
|
||||
QObject context;
|
||||
connect(&model, &ConcatModel::modelAboutToBeReset, &context,
|
||||
[this, &model, &roles] {
|
||||
QCOMPARE(model.rowCount(), 5);
|
||||
|
||||
QCOMPARE(model.data(model.index(3, 0), roleForName(roles, "key")), 4);
|
||||
QCOMPARE(model.data(model.index(3, 0), roleForName(roles, "color")), {});
|
||||
});
|
||||
|
||||
proxy2.setSourceModel(sourceModel4);
|
||||
}
|
||||
|
||||
QCOMPARE(signalsSpy.count(), 2);
|
||||
|
||||
QCOMPARE(signalsSpy.modelAboutToBeResetSpy.count(), 1);
|
||||
QCOMPARE(signalsSpy.modelResetSpy.count(), 1);
|
||||
|
||||
QCOMPARE(model.rowCount(), 2);
|
||||
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "key")), 1);
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "key")), 2);
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "color")), "red");
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "color")), "blue");
|
||||
|
||||
// insert some data to check if roles are re-initialized properly
|
||||
sourceModel4.append(QJsonArray {
|
||||
QJsonObject {{ "color", "purple"}, { "key", 3} },
|
||||
QJsonObject {{ "color", "green" }, { "key", 4}}
|
||||
});
|
||||
|
||||
QCOMPARE(model.rowCount(), 4);
|
||||
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "key")), 1);
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "key")), 2);
|
||||
QCOMPARE(model.data(model.index(2, 0), roleForName(roles, "key")), 3);
|
||||
QCOMPARE(model.data(model.index(3, 0), roleForName(roles, "key")), 4);
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "color")), "red");
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "color")), "blue");
|
||||
QCOMPARE(model.data(model.index(2, 0), roleForName(roles, "color")), "purple");
|
||||
QCOMPARE(model.data(model.index(3, 0), roleForName(roles, "color")), "green");
|
||||
|
||||
sourceModel4.clear();
|
||||
}
|
||||
// reset to not empty model
|
||||
{
|
||||
ModelSignalsSpy signalsSpy(&model);
|
||||
|
||||
// checking validity inside modelAboutToBeReset signal
|
||||
{
|
||||
QObject context;
|
||||
connect(&model, &ConcatModel::modelAboutToBeReset, &context,
|
||||
[this, &model, &roles] {
|
||||
QCOMPARE(model.rowCount(), 2);
|
||||
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "key")), 1);
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "key")), 2);
|
||||
QCOMPARE(model.data(model.index(0, 0), roleForName(roles, "color")), "red");
|
||||
QCOMPARE(model.data(model.index(1, 0), roleForName(roles, "color")), "blue");
|
||||
});
|
||||
|
||||
proxy1.setSourceModel(sourceModel5);
|
||||
}
|
||||
|
||||
QCOMPARE(signalsSpy.count(), 2);
|
||||
|
||||
QCOMPARE(signalsSpy.modelAboutToBeResetSpy.count(), 1);
|
||||
QCOMPARE(signalsSpy.modelResetSpy.count(), 1);
|
||||
|
||||
QCOMPARE(model.rowCount(), 3);
|
||||
|
||||
|
|
@ -2180,10 +2381,10 @@ private slots:
|
|||
//
|
||||
// import QtQuick 2.15
|
||||
// import QtQuick.Controls 2.15
|
||||
|
||||
//
|
||||
// import StatusQ 0.1
|
||||
// import SortFilterProxyModel 0.2
|
||||
|
||||
//
|
||||
// Item {
|
||||
// ListModel {
|
||||
// id: src
|
||||
|
|
|
|||
Loading…
Reference in New Issue