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Create a custom signal to inform about a row addition in IdTableProxyModel

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This commit is contained in:
Stanislav Bas 2015-07-26 20:06:30 +03:00
parent fcf9ae42f4
commit 37fd733deb
2 changed files with 51 additions and 22 deletions
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53
apps/opencs/model/world/idtableproxymodel.cpp
View file

@ -7,23 +7,23 @@
void CSMWorld::IdTableProxyModel::updateColumnMap() void CSMWorld::IdTableProxyModel::updateColumnMap()
{ {
mColumnMap.clear(); Q_ASSERT(mSourceModel != NULL);
mColumnMap.clear();
if (mFilter) if (mFilter)
{ {
std::vector<int> columns = mFilter->getReferencedColumns(); std::vector<int> columns = mFilter->getReferencedColumns();
const IdTableBase& table = dynamic_cast<const IdTableBase&> (*sourceModel());
for (std::vector<int>::const_iterator iter (columns.begin()); iter!=columns.end(); ++iter) for (std::vector<int>::const_iterator iter (columns.begin()); iter!=columns.end(); ++iter)
mColumnMap.insert (std::make_pair (*iter, mColumnMap.insert (std::make_pair (*iter,
table.searchColumnIndex (static_cast<CSMWorld::Columns::ColumnId> (*iter)))); mSourceModel->searchColumnIndex (static_cast<CSMWorld::Columns::ColumnId> (*iter))));
} }
} }
bool CSMWorld::IdTableProxyModel::filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent) bool CSMWorld::IdTableProxyModel::filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent)
const const
{ {
Q_ASSERT(mSourceModel != NULL);
// It is not possible to use filterAcceptsColumn() and check for // It is not possible to use filterAcceptsColumn() and check for
// sourceModel()->headerData (sourceColumn, Qt::Horizontal, CSMWorld::ColumnBase::Role_Flags) // sourceModel()->headerData (sourceColumn, Qt::Horizontal, CSMWorld::ColumnBase::Role_Flags)
// because the sourceColumn parameter excludes the hidden columns, i.e. wrong columns can // because the sourceColumn parameter excludes the hidden columns, i.e. wrong columns can
@ -35,34 +35,37 @@ bool CSMWorld::IdTableProxyModel::filterAcceptsRow (int sourceRow, const QModelI
if (!mFilter) if (!mFilter)
return true; return true;
return mFilter->test ( return mFilter->test (*mSourceModel, sourceRow, mColumnMap);
dynamic_cast<IdTableBase&> (*sourceModel()), sourceRow, mColumnMap);
} }
CSMWorld::IdTableProxyModel::IdTableProxyModel (QObject *parent) CSMWorld::IdTableProxyModel::IdTableProxyModel (QObject *parent)
: QSortFilterProxyModel (parent) : QSortFilterProxyModel (parent),
mSourceModel(NULL)
{ {
setSortCaseSensitivity (Qt::CaseInsensitive); setSortCaseSensitivity (Qt::CaseInsensitive);
} }
QModelIndex CSMWorld::IdTableProxyModel::getModelIndex (const std::string& id, int column) const QModelIndex CSMWorld::IdTableProxyModel::getModelIndex (const std::string& id, int column) const
{ {
return mapFromSource (dynamic_cast<IdTableBase&> (*sourceModel()).getModelIndex (id, column)); Q_ASSERT(mSourceModel != NULL);
return mapFromSource(mSourceModel->getModelIndex (id, column));
} }
void CSMWorld::IdTableProxyModel::setSourceModel(QAbstractItemModel *model) void CSMWorld::IdTableProxyModel::setSourceModel(QAbstractItemModel *model)
{ {
QSortFilterProxyModel::setSourceModel(model); QSortFilterProxyModel::setSourceModel(model);
connect(sourceModel(), mSourceModel = dynamic_cast<IdTableBase *>(sourceModel());
SIGNAL(rowsRemoved(const QModelIndex &, int, int)), connect(mSourceModel,
this,
SLOT(sourceRowsChanged(const QModelIndex &, int, int)));
connect(sourceModel(),
SIGNAL(rowsInserted(const QModelIndex &, int, int)), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
this, this,
SLOT(sourceRowsChanged(const QModelIndex &, int, int))); SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
connect(sourceModel(), connect(mSourceModel,
SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
this,
SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
connect(mSourceModel,
SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
this, this,
SLOT(sourceDataChanged(const QModelIndex &, const QModelIndex &))); SLOT(sourceDataChanged(const QModelIndex &, const QModelIndex &)));
@ -95,13 +98,27 @@ bool CSMWorld::IdTableProxyModel::lessThan(const QModelIndex &left, const QModel
return QSortFilterProxyModel::lessThan(left, right); return QSortFilterProxyModel::lessThan(left, right);
} }
QString CSMWorld::IdTableProxyModel::getRecordId(int sourceRow) const
{
Q_ASSERT(mSourceModel != NULL);
int idColumn = mSourceModel->findColumnIndex(Columns::ColumnId_Id);
return mSourceModel->data(mSourceModel->index(sourceRow, idColumn)).toString();
}
void CSMWorld::IdTableProxyModel::refreshFilter() void CSMWorld::IdTableProxyModel::refreshFilter()
{ {
updateColumnMap(); updateColumnMap();
invalidateFilter(); invalidateFilter();
} }
void CSMWorld::IdTableProxyModel::sourceRowsChanged(const QModelIndex &/*parent*/, int /*start*/, int /*end*/) void CSMWorld::IdTableProxyModel::sourceRowsInserted(const QModelIndex &/*parent*/, int /*start*/, int end)
{
refreshFilter();
emit rowAdded(getRecordId(end).toUtf8().constData());
}
void CSMWorld::IdTableProxyModel::sourceRowsRemoved(const QModelIndex &/*parent*/, int /*start*/, int /*end*/)
{ {
refreshFilter(); refreshFilter();
} }

20
apps/opencs/model/world/idtableproxymodel.hpp
View file

@ -27,6 +27,10 @@ namespace CSMWorld
typedef std::map<Columns::ColumnId, std::vector<std::string> > EnumColumnCache; typedef std::map<Columns::ColumnId, std::vector<std::string> > EnumColumnCache;
mutable EnumColumnCache mEnumColumnCache; mutable EnumColumnCache mEnumColumnCache;
protected:
IdTableBase *mSourceModel;
private: private:
void updateColumnMap(); void updateColumnMap();
@ -45,15 +49,23 @@ namespace CSMWorld
protected: protected:
bool lessThan(const QModelIndex &left, const QModelIndex &right) const; virtual bool lessThan(const QModelIndex &left, const QModelIndex &right) const;
virtual bool filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent) const; virtual bool filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent) const;
private slots: QString getRecordId(int sourceRow) const;
void sourceRowsChanged(const QModelIndex &parent, int start, int end); protected slots:
void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight); virtual void sourceRowsInserted(const QModelIndex &parent, int start, int end);
virtual void sourceRowsRemoved(const QModelIndex &parent, int start, int end);
virtual void sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
signals:
void rowAdded(const std::string &id);
}; };
} }