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/*********
*
* In the name of the Father, and of the Son, and of the Holy Spirit.
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2009 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License
* version 2.0.
*
**********/
#ifndef BTBOOKSHELFTREEMODEL_H
#define BTBOOKSHELFTREEMODEL_H
#include <QAbstractItemModel>
#include <QMap>
#include "backend/bookshelfmodel/btbookshelfmodel.h"
#include "backend/bookshelfmodel/item.h"
namespace BookshelfModel {
class ModuleItem;
}
class CSwordModuleInfo;
class QDataStream;
class BtBookshelfTreeModel: public QAbstractItemModel {
Q_OBJECT
Q_ENUMS(Group)
typedef QMap<CSwordModuleInfo*, BookshelfModel::ModuleItem*> ModuleItemMap;
public:
enum ModuleRole {
CheckStateRole = BtBookshelfModel::UserRole,
UserRole = BtBookshelfModel::UserRole + 100
};
enum Group { GROUP_CATEGORY = 0, GROUP_LANGUAGE, GROUP_DISTRIBUTION };
typedef QList<Group> Grouping;
BtBookshelfTreeModel(QObject *parent = 0);
BtBookshelfTreeModel(const Grouping &grouping, QObject *parent = 0);
virtual ~BtBookshelfTreeModel();
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual int columnCount(const QModelIndex &parent = QModelIndex())
const;
virtual bool hasChildren(const QModelIndex &parent = QModelIndex())
const;
virtual QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex())
const;
virtual QModelIndex parent(const QModelIndex &index) const;
virtual QVariant data(const QModelIndex &index, int role) const;
virtual Qt::ItemFlags flags(const QModelIndex &index) const;
virtual QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value,
int role);
void setSourceModel(QAbstractListModel *sourceModel);
inline QAbstractListModel *sourceModel() const {
return m_sourceModel;
}
void setGroupingOrder(const Grouping &groupingOrder);
inline Grouping groupingOrder() const {
return m_groupingOrder;
}
void setCheckable(bool checkable);
inline bool checkable() const {
return m_checkable;
}
inline void setDefaultChecked(bool defaultChecked) {
m_defaultChecked = defaultChecked;
}
inline bool defaultChecked() const {
return m_defaultChecked;
}
QList<CSwordModuleInfo*> checkedModules() const;
protected:
void addModule(CSwordModuleInfo *module, bool checked);
void addModule(CSwordModuleInfo *module, QModelIndex parentIndex,
Grouping &intermediateGrouping, bool checked);
void removeModule(CSwordModuleInfo *module);
BookshelfModel::Item *getItem(const QModelIndex &index) const;
void resetParentCheckStates(QModelIndex parentIndex);
template <class T>
QModelIndex getGroup(CSwordModuleInfo *module,
QModelIndex parentIndex) {
BookshelfModel::Item *parentItem(getItem(parentIndex));
int groupIndex;
T *groupItem(parentItem->getGroupItem<T>(module, &groupIndex));
if (groupItem == 0) {
groupItem = new T(module);
groupIndex = parentItem->indexFor(groupItem);
beginInsertRows(parentIndex, groupIndex, groupIndex);
parentItem->insertChild(groupIndex, groupItem);
endInsertRows();
}
return index(groupIndex, 0, parentIndex);
}
protected slots:
void moduleDataChanged(const QModelIndex &topLeft,
const QModelIndex &bottomRight);
void moduleInserted(const QModelIndex &parent, int start, int end);
void moduleRemoved(const QModelIndex &parent, int start, int end);
protected:
QAbstractListModel *m_sourceModel;
BookshelfModel::Item *m_rootItem;
ModuleItemMap m_modules;
Grouping m_groupingOrder;
bool m_checkable;
bool m_defaultChecked;
};
QDataStream &operator<<(QDataStream &os, const BtBookshelfTreeModel::Grouping &o);
QDataStream &operator>>(QDataStream &is, BtBookshelfTreeModel::Grouping &o);
Q_DECLARE_METATYPE(BtBookshelfTreeModel::Grouping);
#endif // BTBOOKSHELFTREEMODEL_H
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