/*!
\reimp
*/
void QStringListModel::sort(int, Qt::SortOrder order)
{
emit layoutAboutToBeChanged(QList<QPersistentModelIndex>(), VerticalSortHint);
QVector<QPair<QString, int> > list;
const int lstCount = lst.count();
list.reserve(lstCount);
for (int i = 0; i < lstCount; ++i)
list.append(QPair<QString, int>(lst.at(i), i));
if (order == Qt::AscendingOrder)
std::sort(list.begin(), list.end(), ascendingLessThan);
else
std::sort(list.begin(), list.end(), decendingLessThan);
lst.clear();
QVector<int> forwarding(lstCount);
for (int i = 0; i < lstCount; ++i) {
lst.append(list.at(i).first);
forwarding[list.at(i).second] = i;
}
QModelIndexList oldList = persistentIndexList();
QModelIndexList newList;
const int numOldIndexes = oldList.count();
newList.reserve(numOldIndexes);
for (int i = 0; i < numOldIndexes; ++i)
newList.append(index(forwarding.at(oldList.at(i).row()), 0));
changePersistentIndexList(oldList, newList);
emit layoutChanged(QList<QPersistentModelIndex>(), VerticalSortHint);
}
/**
* @brief ComponentsModel::updateAll
*/
void ComponentsModel::updateAllComponents()
{
int componentsCount = count(m_Components, m_display);
QModelIndexList out;
out.reserve(componentsCount);
for (int i = 0; i < componentsCount; ++i) {
out << index(i, 1);
}
emit showButtons(out);
}
QModelIndexList QgsAttributeTableModel::idToIndexList( QgsFeatureId id ) const
{
QModelIndexList indexes;
int row = idToRow( id );
int columns = columnCount();
indexes.reserve( columns );
for ( int column = 0; column < columns; ++column )
{
indexes.append( index( row, column ) );
}
return indexes;
}
/*!
\reimp
*/
QModelIndexList QIdentityProxyModel::match(const QModelIndex& start, int role, const QVariant& value, int hits, Qt::MatchFlags flags) const
{
Q_D(const QIdentityProxyModel);
Q_ASSERT(start.isValid() ? start.model() == this : true);
if (!d->model)
return QModelIndexList();
const QModelIndexList sourceList = d->model->match(mapToSource(start), role, value, hits, flags);
QModelIndexList::const_iterator it = sourceList.constBegin();
const QModelIndexList::const_iterator end = sourceList.constEnd();
QModelIndexList proxyList;
proxyList.reserve(sourceList.count());
for ( ; it != end; ++it)
proxyList.append(mapFromSource(*it));
return proxyList;
}
QModelIndexList ModelChain::indexListForValue(const QVariant &value) const
{
if (!Model || !KaduModel)
return QModelIndexList();
QModelIndexList indexes = KaduModel->indexListForValue(value);
QModelIndexList result;
const int size = indexes.size();
result.reserve(size);
for (int i = 0; i < size; i++)
{
QModelIndex index = indexes.at(i);
for (auto proxyModel : ProxyModels)
index = proxyModel->mapFromSource(index);
result.append(index);
}
return result;
}
void KrVfsModel::clear()
{
if(!_vfiles.count())
return;
emit layoutAboutToBeChanged();
// clear persistent indexes
QModelIndexList oldPersistentList = persistentIndexList();
QModelIndexList newPersistentList;
#if QT_VERSION >= 0x040700
newPersistentList.reserve(oldPersistentList.size());
#endif
for (int i=0; i< oldPersistentList.size(); ++i)
newPersistentList.append(QModelIndex());
changePersistentIndexList(oldPersistentList, newPersistentList);
_vfiles.clear();
_vfileNdx.clear();
_nameNdx.clear();
_dummyVfile = 0;
emit layoutChanged();
}
