File indexing completed on 2023-12-03 08:28:34

 /*
  * Turns a list model into a tree allowing nodes to be in multiple groups
  *
  * Copyright (C) 2012 David Edmundson <kde@davidedmundson.co.uk>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 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
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 
 #ifndef KTP_ABSTRACT_GROUPING_PROXY_MODEL_H
 #define KTP_ABSTRACT_GROUPING_PROXY_MODEL_H
 
 #include <QStandardItemModel>
 
 #include <KTp/Models/ktpmodels_export.h>
 
 class ProxyNode;
 class GroupNode;
 
 namespace KTp
 {
 
 class KTPMODELS_EXPORT AbstractGroupingProxyModel : public QStandardItemModel
 {
     Q_OBJECT
 public:
     explicit AbstractGroupingProxyModel(QAbstractItemModel *source);
     ~AbstractGroupingProxyModel() override;
 
     void forceGroup(const QString &group);
     void unforceGroup(const QString &group);
 
     void groupChanged(const QString &group);
 
     QHash<int, QByteArray> roleNames() const Q_DECL_OVERRIDE;
 
 //protected:
     /** Return a list of all groups this items belongs to. Subclasses must override this*/
     virtual QSet<QString> groupsForIndex(const QModelIndex &sourceIndex) const = 0;
     /** Equivalent of QAbstractItemModel::data() called for a specific group header*/
     virtual QVariant dataForGroup(const QString &group, int role) const = 0;
 
 private Q_SLOTS:
     void onRowsInserted(const QModelIndex &sourceParent, int start, int end);
     void onRowsRemoved(const QModelIndex &sourceParent, int start, int end);
     void onDataChanged(const QModelIndex &sourceTopLeft, const QModelIndex &sourceBottomRight);
     void onModelReset();
     void onLoad();
 
 private:
     Q_DISABLE_COPY(AbstractGroupingProxyModel)
     class Private;
     Private *d;
 
 
     /** Create a new proxyNode appended to the given parent in this model*/
     void addProxyNode(const QModelIndex &sourceIndex, QStandardItem *parent);
 
     void removeProxyNodes(const QModelIndex &sourceIndex, const QList<ProxyNode *> &removedItems);
 
 
     /** Returns the standard Item belonging to a particular group name. Creating one if needed*/
     GroupNode *itemForGroup(const QString &group);
 };
 
 }
 
 #endif