unipresent/common/UpPresentationNode.cpp

   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 /**
  21  * @file UpPresentationNode.cpp
  22  * @brief A presentations node for a backend.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "UpPresentationNode.h"
  27 #include "UpPresentation.h"
  28 #include "UpSlideNode.h"
  29
  30 #include <KMimeType>
  31 #include <KIcon>
  32
  33 #include <QFileInfo>
  34
  35 #include <cassert>
  36
  37 /*
  38  * Constructors + destructor.
  39  */
  40
  41 /// Primary constructor.
  42 UpPresentationNode::UpPresentationNode(DefaultModelNode* parent, UpPresentation* item)
  43 : DefaultModelNode(parent)
  44 , m_item(item)
  45 {
  46 }
  47
  48 /// Destructor.
  49 UpPresentationNode::~UpPresentationNode()
  50 {
  51 }
  52
  53 /*
  54  * Accessors
  55  */
  56
  57 UpPresentation* UpPresentationNode::getItem()
  58 {
  59   return m_item;
  60 }
  61
  62 /*
  63  * Main interface
  64  */
  65
  66 QVariant UpPresentationNode::getData(int role, int column)
  67 {
  68   if (role == Qt::DisplayRole)
  69   {
  70     if (column == 0)
  71     {
  72       QUrl url = m_item->url();
  73       if (url.isValid())
  74       {
  75         QFileInfo pathInfo(url.path());
  76         return pathInfo.fileName();
  77       }
  78       else
  79       {
  80         return "unnamed";
  81       }
  82     }
  83   }
  84   else if (role == Qt::DecorationRole)
  85   {
  86     if (column == 0)
  87     {
  88       KMimeType::Ptr mimeType = KMimeType::findByUrl(m_item->url());
  89       return KIcon(mimeType->iconName());
  90     }
  91   }
  92   return QVariant();
  93 }
  94
  95 int UpPresentationNode::getChildCount() const
  96 {
  97   return m_item->numSlides();
  98 }
  99
 100 DefaultModelNode* UpPresentationNode::_getChild(int index)
 101 {
 102   UpSlide* slide = m_item->slide(index);
 103   assert(0 != slide);
 104   return new UpSlideNode(this, slide);
 105 }
 106