mirror of
https://bitbucket.org/smil3y/kdelibs.git
synced 2025-02-25 03:12:49 +00:00
84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
/*
|
|
Copyright (c) 2009 Stephen Kelly <steveire@gmail.com>
|
|
|
|
This library is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Library General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or (at your
|
|
option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to the
|
|
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef INDEXFINDER_H
|
|
#define INDEXFINDER_H
|
|
|
|
#include <QModelIndex>
|
|
|
|
class IndexFinder
|
|
{
|
|
public:
|
|
IndexFinder(QList<int> rows = QList<int>()) : m_rows(rows), m_model(0) {}
|
|
|
|
IndexFinder(const QAbstractItemModel *model, QList<int> rows = QList<int>() )
|
|
: m_rows(rows), m_model(model)
|
|
{
|
|
Q_ASSERT(model);
|
|
}
|
|
|
|
QModelIndex getIndex() const
|
|
{
|
|
if(!m_model)
|
|
return QModelIndex();
|
|
static const int col = 0;
|
|
QModelIndex parent = QModelIndex();
|
|
QListIterator<int> i(m_rows);
|
|
while (i.hasNext())
|
|
{
|
|
parent = m_model->index(i.next(), col, parent);
|
|
Q_ASSERT(parent.isValid());
|
|
}
|
|
return parent;
|
|
}
|
|
|
|
static IndexFinder indexToIndexFinder(const QModelIndex &_idx)
|
|
{
|
|
if (!_idx.isValid())
|
|
return IndexFinder();
|
|
|
|
QList<int> list;
|
|
QModelIndex idx = _idx;
|
|
while (idx.isValid())
|
|
{
|
|
list.prepend(idx.row());
|
|
idx = idx.parent();
|
|
}
|
|
return IndexFinder(_idx.model(), list);
|
|
}
|
|
|
|
bool operator==( const IndexFinder &other ) const
|
|
{
|
|
return (m_rows == other.m_rows && m_model == other.m_model );
|
|
}
|
|
|
|
QList<int> rows() const { return m_rows; }
|
|
void appendRow(int row) { m_rows.append(row); }
|
|
void setRows( const QList<int> &rows ) { m_rows = rows; }
|
|
void setModel(QAbstractItemModel *model) { m_model = model; }
|
|
|
|
private:
|
|
QList<int> m_rows;
|
|
const QAbstractItemModel * m_model;
|
|
};
|
|
|
|
|
|
Q_DECLARE_METATYPE( IndexFinder )
|
|
|
|
#endif
|