C++ (Cpp) sourceModelChanged Examples

Example #1

File: sortfiltermodel.cpp Project: qt-labs/talk-schedule

SortFilterModel::SortFilterModel(QObject *parent)
    : QSortFilterProxyModel(parent),
      m_maximumCount(0),
      m_hide(false)
{
    connect(this, SIGNAL(sourceModelChanged()), SIGNAL(modelChanged()));
    connect(this, SIGNAL(sortRoleChanged()), SLOT(manualSort()));
    setDynamicSortFilter(false);
}

Example #2

File: tst_LimitProxyModelTests.cpp Project: ubuntu-touch-apps/webbrowser-app

 void shouldNotifyWhenChangingSourceModel()
 {
     QSignalSpy spy(model, SIGNAL(sourceModelChanged()));
     model->setSourceModel(topsites);
     QVERIFY(spy.isEmpty());
     TopSitesModel* topsites2 = new TopSitesModel;
     model->setSourceModel(topsites2);
     QCOMPARE(spy.count(), 1);
     QCOMPARE(model->sourceModel(), topsites2);
     model->setSourceModel(0);
     QCOMPARE(spy.count(), 2);
     QCOMPARE(model->sourceModel(), (TopSitesModel*) 0);
     delete topsites2;
 }

Example #3

File: qabstractproxymodel.cpp Project: AlexSoehn/qt-base-deb

/*!
    Sets the given \a sourceModel to be processed by the proxy model.

    Subclasses should call beginResetModel() at the beginning of the method,
    disconnect from the old model, call this method, connect to the new model,
    and call endResetModel().
*/
void QAbstractProxyModel::setSourceModel(QAbstractItemModel *sourceModel)
{
    Q_D(QAbstractProxyModel);
    if (sourceModel != d->model) {
        if (d->model)
            disconnect(d->model, SIGNAL(destroyed()), this, SLOT(_q_sourceModelDestroyed()));

        if (sourceModel) {
            d->model = sourceModel;
            connect(d->model, SIGNAL(destroyed()), this, SLOT(_q_sourceModelDestroyed()));
        } else {
            d->model = QAbstractItemModelPrivate::staticEmptyModel();
        }
        d->roleNames = d->model->roleNames();
        emit sourceModelChanged(QPrivateSignal());
    }
}

Example #4

File: datamodel.cpp Project: KDE/plasma-framework

void SortFilterModel::setModel(QAbstractItemModel *model)
{
    if (model == sourceModel()) {
        return;
    }

    if (sourceModel()) {
        disconnect(sourceModel(), SIGNAL(modelReset()), this, SLOT(syncRoleNames()));
    }

    QSortFilterProxyModel::setSourceModel(model);

    if (model) {
        connect(model, SIGNAL(modelReset()), this, SLOT(syncRoleNames()));
        syncRoleNames();
    }

    emit sourceModelChanged(model);
}

Example #5

File: sortfilterproxymodel.cpp Project: AlexLevkovich/SimpleArch

void SortFilterProxyModel::setSourceModel(QAbstractItemModel * sourceModel) {
    if (sourceModel == this->sourceModel()) return;
    if (!sourceModel->inherits("FileTreeModel")) return;
    QSortFilterProxyModel::setSourceModel(sourceModel);
    emit sourceModelChanged();
}

Example #6

File: funnelmodel.cpp Project: mafrez/plasma-desktop

void FunnelModel::setSourceModel(AbstractModel *model)
{
    if (m_sourceModel == model) {
        return;
    }

    if (!model) {
        reset();

        return;
    }

    connect(model, SIGNAL(destroyed(QObject*)), this, SLOT(reset()));
    connect(model, SIGNAL(modelReset()), this, SLOT(reset()));

    if (!m_sourceModel) {
        emit beginResetModel();

        m_sourceModel = model;

        emit endResetModel();

        emit countChanged();

        emit sourceModelChanged();

        return;
    }

    int oldCount = m_sourceModel->count();
    int newCount = model->count();

    disconnect(model, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
            this, SLOT(sourceRowsAboutToBeRemoved(QModelIndex,int,int)));
    disconnect(m_sourceModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),
            this, SLOT(sourceRowsRemoved(QModelIndex,int,int)));

    m_sourceModel = model;

    connect(m_sourceModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
            this, SLOT(sourceRowsAboutToBeRemoved(QModelIndex,int,int)));
    connect(m_sourceModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),
            this, SLOT(sourceRowsRemoved(QModelIndex,int,int)));

    if (newCount > oldCount) {
        beginInsertRows(QModelIndex(), oldCount, newCount - 1);

        endInsertRows();
    } else if (newCount < oldCount) {
        if (newCount == 0) {
            beginResetModel();

            endResetModel();
        } else {
            beginRemoveRows(QModelIndex(), newCount, oldCount - 1);

            endRemoveRows();
        }
    }

    if (newCount > 0) {
        emit dataChanged(index(0, 0), index(qMin(oldCount, newCount) - 1, 0));
    }

    if (oldCount != newCount) {
        emit countChanged();
    }

    emit sourceModelChanged();
}

Example #7

File: BooksCoverModel.cpp Project: alinelena/harbour-books

BooksCoverModel::BooksCoverModel(QObject* aParent) :
    QSortFilterProxyModel(aParent)
{
    connect(this, SIGNAL(sourceModelChanged()), SIGNAL(sourceChanged()));
}