unipresent/common/UpBackendNode.h

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 #ifndef _UpBackendNode_h_
  21 #define _UpBackendNode_h_
  22
  23 /**
  24  * @file UpBackendNode.h
  25  * @brief A presentations node for a backend.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "NodeBasedModel.h"
  30
  31 class UpBackend;
  32 class UpPresentation;
  33 class UpPresentationNode;
  34
  35 /// A presentations node for a backend.
  36 class UpBackendNode : public DefaultModelNode
  37 {
  38   public:
  39
  40     /*
  41      * Constructors + destructor.
  42      */
  43
  44     /// Primary constructor.
  45     UpBackendNode(DefaultModelNode* parent, UpBackend* item);
  46
  47     /// Destructor.
  48     virtual ~UpBackendNode();
  49
  50     /*
  51      * Accessors
  52      */
  53
  54     UpBackend* getItem();
  55     UpPresentationNode* getPresentationNode(UpPresentation* presentation);
  56
  57     /*
  58      * Main interface
  59      */
  60
  61     virtual QVariant getData(int role, int column);
  62
  63     virtual int getChildCount() const;
  64
  65   protected:
  66
  67     virtual DefaultModelNode* _getChild(int index);
  68
  69   private:
  70
  71     /*
  72      * Variables
  73      */
  74
  75     /// Playlist item.
  76     UpBackend* m_item;
  77 };
  78
  79 #endif // _UpBackendNode_h_
  80