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/* This file is part of the KDE project
* Copyright (C) 2009 Pierre Stirnweiss <pstirnweiss@googlemail.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 TRACKEDCHANGEMODEL_H
#define TRACKEDCHANGEMODEL_H
#include <KoGenChange.h>
#include <QAbstractItemModel>
#include <QHash>
#include <QList>
#include <QMetaType>
#include <QObject>
#include <QPair>
class KoChangeTracker;
class KoTextDocumentLayout;
class QTextDocument;
struct ItemData
{
int changeId;
QList<QPair<int, int> > changeRanges;
KoGenChange::Type changeType;
QString title;
QString author;
};
Q_DECLARE_METATYPE(ItemData)
class ModelItem
{
public:
ModelItem(ModelItem *parent = 0);
~ModelItem();
void setChangeId(int changeId);
void setChangeType(KoGenChange::Type type);
void setChangeTitle(QString title);
void setChangeAuthor(QString author);
void appendChild(ModelItem *child);
ModelItem *child(int row);
QList<ModelItem*> children();
int childCount() const;
int row() const;
ModelItem *parent();
ItemData itemData();
void setChangeRange(int start, int end);
void removeChildren();
private:
QList<ModelItem*> m_childItems;
ModelItem *m_parentItem;
ItemData m_data;
};
class TrackedChangeModel : public QAbstractItemModel
{
Q_OBJECT
public:
TrackedChangeModel(QTextDocument *document, QObject *parent = 0);
~TrackedChangeModel();
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
QModelIndex indexForChangeId(int changeId);
QModelIndex parent(const QModelIndex &index) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
ItemData changeItemData(const QModelIndex &index, int role = Qt::DisplayRole) const;
public slots:
void setupModel();
private:
void setupModelData(QTextDocument *document, ModelItem *parent);
QTextDocument *m_document;
ModelItem *m_rootItem;
KoChangeTracker *m_changeTracker;
KoTextDocumentLayout *m_layout;
QHash<int, int> m_changeOccurenceCounter;
QHash<int, ModelItem*> m_changeItems;
};
#endif // TRACKEDCHANGEMODEL_H
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