--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/modeltest/dynamictreemodel.h	Tue Feb 02 00:43:10 2010 +0200
@@ -0,0 +1,199 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Stephen Kelly <steveire@gmail.com>
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef DYNAMICTREEMODEL_H
+#define DYNAMICTREEMODEL_H
+
+#include <QtCore/QAbstractItemModel>
+
+#include <QtCore/QHash>
+#include <QtCore/QList>
+
+
+template<typename T> class QList;
+
+class DynamicTreeModel : public QAbstractItemModel
+{
+  Q_OBJECT
+
+public:
+  DynamicTreeModel(QObject *parent = 0);
+
+  QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
+  QModelIndex parent(const QModelIndex &index) const;
+  int rowCount(const QModelIndex &index = QModelIndex()) const;
+  int columnCount(const QModelIndex &index = QModelIndex()) const;
+
+  QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
+
+  void clear();
+
+protected slots:
+
+  /**
+  Finds the parent id of the string with id @p searchId.
+
+  Returns -1 if not found.
+  */
+  qint64 findParentId(qint64 searchId) const;
+
+private:
+  QHash<qint64, QString> m_items;
+  QHash<qint64, QList<QList<qint64> > > m_childItems;
+  qint64 nextId;
+  qint64 newId() { return nextId++; };
+
+  QModelIndex m_nextParentIndex;
+  int m_nextRow;
+
+  int m_depth;
+  int maxDepth;
+
+  friend class ModelInsertCommand;
+  friend class ModelMoveCommand;
+  friend class ModelResetCommand;
+  friend class ModelResetCommandFixed;
+
+};
+
+
+class ModelChangeCommand : public QObject
+{
+  Q_OBJECT
+public:
+
+  ModelChangeCommand( DynamicTreeModel *model, QObject *parent = 0 );
+
+  virtual ~ModelChangeCommand() {}
+
+  void setAncestorRowNumbers(QList<int> rowNumbers) { m_rowNumbers = rowNumbers; }
+
+  QModelIndex findIndex(QList<int> rows);
+
+  void setStartRow(int row) { m_startRow = row; }
+
+  void setEndRow(int row) { m_endRow = row; }
+
+  void setNumCols(int cols) { m_numCols = cols; }
+
+  virtual void doCommand() = 0;
+
+protected:
+  DynamicTreeModel* m_model;
+  QList<int> m_rowNumbers;
+  int m_numCols;
+  int m_startRow;
+  int m_endRow;
+
+};
+
+typedef QList<ModelChangeCommand*> ModelChangeCommandList;
+
+class ModelInsertCommand : public ModelChangeCommand
+{
+  Q_OBJECT
+
+public:
+
+  ModelInsertCommand(DynamicTreeModel *model, QObject *parent = 0 );
+  virtual ~ModelInsertCommand() {}
+
+  virtual void doCommand();
+};
+
+
+class ModelMoveCommand : public ModelChangeCommand
+{
+  Q_OBJECT
+public:
+  ModelMoveCommand(DynamicTreeModel *model, QObject *parent);
+
+  virtual ~ModelMoveCommand() {}
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+
+  virtual void doCommand();
+
+  virtual void emitPostSignal();
+
+  void setDestAncestors( QList<int> rows ) { m_destRowNumbers = rows; }
+
+  void setDestRow(int row) { m_destRow = row; }
+
+protected:
+  QList<int> m_destRowNumbers;
+  int m_destRow;
+};
+
+/**
+  A command which does a move and emits a reset signal.
+*/
+class ModelResetCommand : public ModelMoveCommand
+{
+  Q_OBJECT
+public:
+  ModelResetCommand(DynamicTreeModel* model, QObject* parent = 0);
+
+  virtual ~ModelResetCommand();
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+  virtual void emitPostSignal();
+
+};
+
+/**
+  A command which does a move and emits a beginResetModel and endResetModel signals.
+*/
+class ModelResetCommandFixed : public ModelMoveCommand
+{
+  Q_OBJECT
+public:
+  ModelResetCommandFixed(DynamicTreeModel* model, QObject* parent = 0);
+
+  virtual ~ModelResetCommandFixed();
+
+  virtual bool emitPreSignal(const QModelIndex &srcParent, int srcStart, int srcEnd, const QModelIndex &destParent, int destRow);
+  virtual void emitPostSignal();
+
+};
+
+
+#endif