File indexing completed on 2024-09-15 04:14:33

 /***************************************************************************
  *   Copyright (C) 2017 by Emmanuel Lepage Vallee                          *
  *   Author : Emmanuel Lepage Vallee <emmanuel.lepage@kde.org>             *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 3 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *   This program 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 General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  **************************************************************************/
 
 #include <QAbstractItemModel>
 #include <QTimer>
 
 struct ModelViewTesterItem;
 
 /**
  * Perform every model operations so the all the Q_ASSERT and extra validation
  * code in the TreeView2 can be used.
  *
  * It could not be a QStandardItemModel because it lacks fine grained control
  * over the move operations.
  */
 class ModelViewTester : public QAbstractItemModel
 {
 Q_OBJECT
 
 public:
     Q_PROPERTY(int interval READ interval WRITE setInterval)
 
 
     explicit ModelViewTester(QObject* parent = nullptr);
     virtual ~ModelViewTester();
 
     Q_INVOKABLE void run();
 
     int interval() const {return m_pTimer->interval(); }
     void setInterval(int i) { m_pTimer->setInterval(i); }
 
     //Model implementation
     virtual bool          setData      ( const QModelIndex& index, const QVariant &value, int role   ) override;
     virtual QVariant      data         ( const QModelIndex& index, int role = Qt::DisplayRole        ) const override;
     virtual int           rowCount     ( const QModelIndex& parent = QModelIndex()                   ) const override;
 //     virtual Qt::ItemFlags flags        ( const QModelIndex& index                                    ) const override;
     virtual int           columnCount  ( const QModelIndex& parent = QModelIndex()                   ) const override;
     virtual QModelIndex   parent       ( const QModelIndex& index                                    ) const override;
     virtual QModelIndex   index        ( int row, int column, const QModelIndex& parent=QModelIndex()) const override;
     virtual QMimeData*    mimeData     ( const QModelIndexList &indexes                              ) const override;
     virtual bool          dropMimeData ( const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent ) override;
     virtual QHash<int,QByteArray> roleNames() const override;
 
 public Q_SLOTS:
     //Test function
     void prependSimpleRoot();
     void appendSimpleRoot();
     void appendRootChildren();
 
     void moveRootToFront();
     void moveChildByOne();
     void moveChildByParent();
     void moveToGrandChildren();
 
     void insertRoot();
     void insertFirst();
     void insertChild();
 
     void removeRoot();
     void resetModel();
 
     void largeFrontTree();
     void removeLargeTree();
     void removeLargeTree2();
     void largeFrontTree2();
     void removeLargeTree3();
 
 private:
     ModelViewTesterItem* m_pRoot;
 
     int count {0};
     QStringList steps;
     QTimer *m_pTimer {new QTimer(this)};
 };