File indexing completed on 2024-04-21 03:56:04

 /*
     SPDX-FileCopyrightText: 2009 Stephen Kelly <steveire@gmail.com>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef INDEXFINDER_H
 #define INDEXFINDER_H
 
 #include <QModelIndex>
 
 class IndexFinder
 {
 public:
     IndexFinder(QList<int> rows = QList<int>())
         : m_rows(rows)
         , m_model(nullptr)
     {
     }
 
     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