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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()
{
mColumnMap.clear();
Q_ASSERT(mSourceModel != NULL);
mColumnMap.clear();
if (mFilter)
{
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)
mColumnMap.insert (std::make_pair (*iter,
table.searchColumnIndex (static_cast<CSMWorld::Columns::ColumnId> (*iter))));
mColumnMap.insert (std::make_pair (*iter,
mSourceModel->searchColumnIndex (static_cast<CSMWorld::Columns::ColumnId> (*iter))));
}
}
bool CSMWorld::IdTableProxyModel::filterAcceptsRow (int sourceRow, const QModelIndex& sourceParent)
const
{
Q_ASSERT(mSourceModel != NULL);
// It is not possible to use filterAcceptsColumn() and check for
// sourceModel()->headerData (sourceColumn, Qt::Horizontal, CSMWorld::ColumnBase::Role_Flags)
// 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)
return true;
return mFilter->test (
dynamic_cast<IdTableBase&> (*sourceModel()), sourceRow, mColumnMap);
return mFilter->test (*mSourceModel, sourceRow, mColumnMap);
}
CSMWorld::IdTableProxyModel::IdTableProxyModel (QObject *parent)
: QSortFilterProxyModel (parent)
: QSortFilterProxyModel (parent),
mSourceModel(NULL)
{
setSortCaseSensitivity (Qt::CaseInsensitive);
}
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)
{
QSortFilterProxyModel::setSourceModel(model);
connect(sourceModel(),
SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
this,
SLOT(sourceRowsChanged(const QModelIndex &, int, int)));
connect(sourceModel(),
mSourceModel = dynamic_cast<IdTableBase *>(sourceModel());
connect(mSourceModel,
SIGNAL(rowsInserted(const QModelIndex &, int, int)),
this,
SLOT(sourceRowsChanged(const QModelIndex &, int, int)));
connect(sourceModel(),
SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
connect(mSourceModel,
SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
this,
SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
connect(mSourceModel,
SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
this,
SLOT(sourceDataChanged(const QModelIndex &, const QModelIndex &)));
@ -95,13 +98,27 @@ bool CSMWorld::IdTableProxyModel::lessThan(const QModelIndex &left, const QModel
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()
{
updateColumnMap();
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();
}

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;
mutable EnumColumnCache mEnumColumnCache;
protected:
IdTableBase *mSourceModel;
private:
void updateColumnMap();
@ -45,15 +49,23 @@ namespace CSMWorld
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;
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);
};
}