123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423 | // Copyright (C) 2018 Luca Beldi <v.ronin@yahoo.it>// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#include"qtransposeproxymodel.h"#include <private/qtransposeproxymodel_p.h>#include <QtCore/qlist.h>#include <QtCore/qmetaobject.h>#include <QtCore/qsize.h>#include <QtCore/qmap.h> QT_BEGIN_NAMESPACE QModelIndex QTransposeProxyModelPrivate::uncheckedMapToSource(const QModelIndex &proxyIndex)const{if(!model || !proxyIndex.isValid())returnQModelIndex();Q_Q(const QTransposeProxyModel);return q->createSourceIndex(proxyIndex.column(), proxyIndex.row(), proxyIndex.internalPointer());} QModelIndex QTransposeProxyModelPrivate::uncheckedMapFromSource(const QModelIndex &sourceIndex)const{if(!model || !sourceIndex.isValid())returnQModelIndex();Q_Q(const QTransposeProxyModel);return q->createIndex(sourceIndex.column(), sourceIndex.row(), sourceIndex.internalPointer());}voidQTransposeProxyModelPrivate::onLayoutChanged(const QList<QPersistentModelIndex> &parents,QAbstractItemModel::LayoutChangeHint hint){Q_Q(QTransposeProxyModel);Q_ASSERT(layoutChangeProxyIndexes.size() == layoutChangePersistentIndexes.size()); QModelIndexList toList; toList.reserve(layoutChangePersistentIndexes.size());for(const QPersistentModelIndex &persistIdx :std::as_const(layoutChangePersistentIndexes)) toList << q->mapFromSource(persistIdx); q->changePersistentIndexList(layoutChangeProxyIndexes, toList); layoutChangeProxyIndexes.clear(); layoutChangePersistentIndexes.clear(); QList<QPersistentModelIndex> proxyParents; proxyParents.reserve(parents.size());for(const QPersistentModelIndex &srcParent : parents) proxyParents << q->mapFromSource(srcParent);QAbstractItemModel::LayoutChangeHint proxyHint =QAbstractItemModel::NoLayoutChangeHint;if(hint ==QAbstractItemModel::VerticalSortHint) proxyHint =QAbstractItemModel::HorizontalSortHint;else if(hint ==QAbstractItemModel::HorizontalSortHint) proxyHint =QAbstractItemModel::VerticalSortHint; emit q->layoutChanged(proxyParents, proxyHint);}voidQTransposeProxyModelPrivate::onLayoutAboutToBeChanged(const QList<QPersistentModelIndex> &sourceParents,QAbstractItemModel::LayoutChangeHint hint){Q_Q(QTransposeProxyModel); QList<QPersistentModelIndex> proxyParents; proxyParents.reserve(sourceParents.size());for(const QPersistentModelIndex &parent : sourceParents) {if(!parent.isValid()) { proxyParents <<QPersistentModelIndex();continue;}const QModelIndex mappedParent = q->mapFromSource(parent);Q_ASSERT(mappedParent.isValid()); proxyParents << mappedParent;}QAbstractItemModel::LayoutChangeHint proxyHint =QAbstractItemModel::NoLayoutChangeHint;if(hint ==QAbstractItemModel::VerticalSortHint) proxyHint =QAbstractItemModel::HorizontalSortHint;else if(hint ==QAbstractItemModel::HorizontalSortHint) proxyHint =QAbstractItemModel::VerticalSortHint; emit q->layoutAboutToBeChanged(proxyParents, proxyHint);const QModelIndexList proxyPersistentIndexes = q->persistentIndexList(); layoutChangeProxyIndexes.clear(); layoutChangePersistentIndexes.clear(); layoutChangeProxyIndexes.reserve(proxyPersistentIndexes.size()); layoutChangePersistentIndexes.reserve(proxyPersistentIndexes.size());for(const QModelIndex &proxyPersistentIndex : proxyPersistentIndexes) { layoutChangeProxyIndexes << proxyPersistentIndex;Q_ASSERT(proxyPersistentIndex.isValid());const QPersistentModelIndex srcPersistentIndex = q->mapToSource(proxyPersistentIndex);Q_ASSERT(srcPersistentIndex.isValid()); layoutChangePersistentIndexes << srcPersistentIndex;}}voidQTransposeProxyModelPrivate::onDataChanged(const QModelIndex &topLeft,const QModelIndex &bottomRight,const QList<int> &roles){Q_Q(QTransposeProxyModel); emit q->dataChanged(q->mapFromSource(topLeft), q->mapFromSource(bottomRight), roles);}voidQTransposeProxyModelPrivate::onHeaderDataChanged(Qt::Orientation orientation,int first,int last){Q_Q(QTransposeProxyModel); emit q->headerDataChanged(orientation ==Qt::Horizontal ?Qt::Vertical :Qt::Horizontal, first, last);}voidQTransposeProxyModelPrivate::onColumnsAboutToBeInserted(const QModelIndex &parent,int first,int last){Q_Q(QTransposeProxyModel); q->beginInsertRows(q->mapFromSource(parent), first, last);}voidQTransposeProxyModelPrivate::onColumnsAboutToBeRemoved(const QModelIndex &parent,int first,int last){Q_Q(QTransposeProxyModel); q->beginRemoveRows(q->mapFromSource(parent), first, last);}voidQTransposeProxyModelPrivate::onColumnsAboutToBeMoved(const QModelIndex &sourceParent,int sourceStart,int sourceEnd,const QModelIndex &destinationParent,int destinationColumn){Q_Q(QTransposeProxyModel); q->beginMoveRows(q->mapFromSource(sourceParent), sourceStart, sourceEnd, q->mapFromSource(destinationParent), destinationColumn);}voidQTransposeProxyModelPrivate::onRowsAboutToBeInserted(const QModelIndex &parent,int first,int last){Q_Q(QTransposeProxyModel); q->beginInsertColumns(q->mapFromSource(parent), first, last);}voidQTransposeProxyModelPrivate::onRowsAboutToBeRemoved(const QModelIndex &parent,int first,int last){Q_Q(QTransposeProxyModel); q->beginRemoveColumns(q->mapFromSource(parent), first, last);}voidQTransposeProxyModelPrivate::onRowsAboutToBeMoved(const QModelIndex &sourceParent,int sourceStart,int sourceEnd,const QModelIndex &destinationParent,int destinationRow){Q_Q(QTransposeProxyModel); q->beginMoveColumns(q->mapFromSource(sourceParent), sourceStart, sourceEnd, q->mapFromSource(destinationParent), destinationRow);}/*! \since 5.13 \class QTransposeProxyModel \inmodule QtCore \brief This proxy transposes the source model. This model will make the rows of the source model become columns of the proxy model and vice-versa. If the model is a tree, the parents will be transposed as well. For example, if an index in the source model had parent `index(2,0)`, it will have parent `index(0,2)` in the proxy.*//*! Constructs a new proxy model with the given \a parent.*/QTransposeProxyModel::QTransposeProxyModel(QObject* parent):QAbstractProxyModel(*new QTransposeProxyModelPrivate, parent){}/*! Destructs the proxy model.*/QTransposeProxyModel::~QTransposeProxyModel() =default;/*! \internal*/QTransposeProxyModel::QTransposeProxyModel(QTransposeProxyModelPrivate &dd, QObject *parent):QAbstractProxyModel(dd, parent){}/*! \reimp*/voidQTransposeProxyModel::setSourceModel(QAbstractItemModel* newSourceModel){Q_D(QTransposeProxyModel);if(newSourceModel == d->model)return;beginResetModel();if(d->model) {for(constQMetaObject::Connection& discIter :std::as_const(d->sourceConnections))disconnect(discIter);} d->sourceConnections.clear();QAbstractProxyModel::setSourceModel(newSourceModel);if(d->model) {using namespacestd::placeholders; d->sourceConnections = QList<QMetaObject::Connection>{connect(d->model, &QAbstractItemModel::modelAboutToBeReset,this, &QTransposeProxyModel::beginResetModel),connect(d->model, &QAbstractItemModel::modelReset,this, &QTransposeProxyModel::endResetModel),connect(d->model, &QAbstractItemModel::dataChanged,this,std::bind(&QTransposeProxyModelPrivate::onDataChanged, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::headerDataChanged,this,std::bind(&QTransposeProxyModelPrivate::onHeaderDataChanged, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::columnsAboutToBeInserted,this,std::bind(&QTransposeProxyModelPrivate::onColumnsAboutToBeInserted, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::columnsAboutToBeMoved,this,std::bind(&QTransposeProxyModelPrivate::onColumnsAboutToBeMoved, d, _1, _2, _3, _4, _5)),connect(d->model, &QAbstractItemModel::columnsAboutToBeRemoved,this,std::bind(&QTransposeProxyModelPrivate::onColumnsAboutToBeRemoved, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::columnsInserted,this, &QTransposeProxyModel::endInsertRows),connect(d->model, &QAbstractItemModel::columnsRemoved,this, &QTransposeProxyModel::endRemoveRows),connect(d->model, &QAbstractItemModel::columnsMoved,this, &QTransposeProxyModel::endMoveRows),connect(d->model, &QAbstractItemModel::rowsAboutToBeInserted,this,std::bind(&QTransposeProxyModelPrivate::onRowsAboutToBeInserted, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::rowsAboutToBeMoved,this,std::bind(&QTransposeProxyModelPrivate::onRowsAboutToBeMoved, d, _1, _2, _3, _4, _5)),connect(d->model, &QAbstractItemModel::rowsAboutToBeRemoved,this,std::bind(&QTransposeProxyModelPrivate::onRowsAboutToBeRemoved, d, _1, _2, _3)),connect(d->model, &QAbstractItemModel::rowsInserted,this, &QTransposeProxyModel::endInsertColumns),connect(d->model, &QAbstractItemModel::rowsRemoved,this, &QTransposeProxyModel::endRemoveColumns),connect(d->model, &QAbstractItemModel::rowsMoved,this, &QTransposeProxyModel::endMoveColumns),connect(d->model, &QAbstractItemModel::layoutAboutToBeChanged,this,std::bind(&QTransposeProxyModelPrivate::onLayoutAboutToBeChanged, d, _1, _2)),connect(d->model, &QAbstractItemModel::layoutChanged,this,std::bind(&QTransposeProxyModelPrivate::onLayoutChanged, d, _1, _2))};}endResetModel();}/*! \reimp*/intQTransposeProxyModel::rowCount(const QModelIndex &parent)const{Q_D(const QTransposeProxyModel);if(!d->model)return0;Q_ASSERT(checkIndex(parent));return d->model->columnCount(mapToSource(parent));}/*! \reimp*/intQTransposeProxyModel::columnCount(const QModelIndex &parent)const{Q_D(const QTransposeProxyModel);if(!d->model)return0;Q_ASSERT(checkIndex(parent));return d->model->rowCount(mapToSource(parent));}/*! \reimp*/ QVariant QTransposeProxyModel::headerData(int section,Qt::Orientation orientation,int role)const{Q_D(const QTransposeProxyModel);if(!d->model)returnQVariant();return d->model->headerData(section, orientation ==Qt::Horizontal ?Qt::Vertical :Qt::Horizontal, role);}/*! \reimp*/boolQTransposeProxyModel::setHeaderData(int section,Qt::Orientation orientation,const QVariant &value,int role){Q_D(QTransposeProxyModel);if(!d->model)return false;return d->model->setHeaderData(section, orientation ==Qt::Horizontal ?Qt::Vertical :Qt::Horizontal, value, role);}/*! \reimp*/boolQTransposeProxyModel::setItemData(const QModelIndex &index,const QMap<int, QVariant> &roles){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(index));if(!d->model || !index.isValid())return false;return d->model->setItemData(mapToSource(index), roles);}/*! \reimp*/ QSize QTransposeProxyModel::span(const QModelIndex &index)const{Q_D(const QTransposeProxyModel);Q_ASSERT(checkIndex(index));if(!d->model || !index.isValid())returnQSize();return d->model->span(mapToSource(index)).transposed();}/*! \reimp*/ QMap<int, QVariant>QTransposeProxyModel::itemData(const QModelIndex &index)const{Q_D(const QTransposeProxyModel);if(!d->model)return QMap<int, QVariant>();Q_ASSERT(checkIndex(index));return d->model->itemData(mapToSource(index));}/*! \reimp*/ QModelIndex QTransposeProxyModel::mapFromSource(const QModelIndex &sourceIndex)const{Q_D(const QTransposeProxyModel);if(!d->model || !sourceIndex.isValid())returnQModelIndex();Q_ASSERT(d->model->checkIndex(sourceIndex));return d->uncheckedMapFromSource(sourceIndex);}/*! \reimp*/ QModelIndex QTransposeProxyModel::mapToSource(const QModelIndex &proxyIndex)const{Q_D(const QTransposeProxyModel);Q_ASSERT(checkIndex(proxyIndex));if(!d->model || !proxyIndex.isValid())returnQModelIndex();return d->uncheckedMapToSource(proxyIndex);}/*! \reimp*/ QModelIndex QTransposeProxyModel::parent(const QModelIndex &index)const{Q_D(const QTransposeProxyModel);Q_ASSERT(checkIndex(index,CheckIndexOption::DoNotUseParent));if(!d->model || !index.isValid())returnQModelIndex();return d->uncheckedMapFromSource(d->uncheckedMapToSource(index).parent());}/*! \reimp*/ QModelIndex QTransposeProxyModel::index(int row,int column,const QModelIndex &parent)const{Q_D(const QTransposeProxyModel);Q_ASSERT(checkIndex(parent));if(!d->model)returnQModelIndex();returnmapFromSource(d->model->index(column, row,mapToSource(parent)));}/*! \reimp*/boolQTransposeProxyModel::insertRows(int row,int count,const QModelIndex &parent){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(parent));if(!d->model)return false;return d->model->insertColumns(row, count,mapToSource(parent));}/*! \reimp*/boolQTransposeProxyModel::removeRows(int row,int count,const QModelIndex &parent){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(parent));if(!d->model)return false;return d->model->removeColumns(row, count,mapToSource(parent));}/*! \reimp*/boolQTransposeProxyModel::moveRows(const QModelIndex &sourceParent,int sourceRow,int count,const QModelIndex &destinationParent,int destinationChild){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(sourceParent));Q_ASSERT(checkIndex(destinationParent));if(!d->model)return false;return d->model->moveColumns(mapToSource(sourceParent), sourceRow, count,mapToSource(destinationParent), destinationChild);}/*! \reimp*/boolQTransposeProxyModel::insertColumns(int column,int count,const QModelIndex &parent){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(parent));if(!d->model)return false;return d->model->insertRows(column, count,mapToSource(parent));}/*! \reimp*/boolQTransposeProxyModel::removeColumns(int column,int count,const QModelIndex &parent){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(parent));if(!d->model)return false;return d->model->removeRows(column, count,mapToSource(parent));}/*! \reimp*/boolQTransposeProxyModel::moveColumns(const QModelIndex &sourceParent,int sourceRow,int count,const QModelIndex &destinationParent,int destinationChild){Q_D(QTransposeProxyModel);Q_ASSERT(checkIndex(sourceParent));Q_ASSERT(checkIndex(destinationParent));if(!d->model)return false;return d->model->moveRows(mapToSource(sourceParent), sourceRow, count,mapToSource(destinationParent), destinationChild);}/*! \reimp This method will perform no action. Use a QSortFilterProxyModel on top of this one if you require sorting.*/voidQTransposeProxyModel::sort(int column,Qt::SortOrder order){Q_UNUSED(column);Q_UNUSED(order);return;} QT_END_NAMESPACE #include"moc_qtransposeproxymodel.cpp"
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