kworship/KwFilterManager.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 KwFilterManager.cpp
  22  * @brief Manages file filters.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "KwFilterManager.h"
  27 #include "KwLoadSaveFilter.h"
  28
  29 /*
  30  * Constructors + destructor
  31  */
  32
  33 /// Primary constructor.
  34 KwFilterManager::KwFilterManager()
  35 : m_defaultLoadSaveFilter(0)
  36 , m_loadSaveFilters()
  37 , m_importFilters()
  38 , m_exportFilters()
  39 {
  40 }
  41
  42 /// Destructor.
  43 KwFilterManager::~KwFilterManager()
  44 {
  45   // Delete all filters.
  46   foreach (KwLoadSaveFilter* filter, m_loadSaveFilters)
  47   {
  48     delete filter;
  49   }
  50   foreach (KwImportFilter* filter, m_importFilters)
  51   {
  52     delete filter;
  53   }
  54   foreach (KwExportFilter* filter, m_exportFilters)
  55   {
  56     delete filter;
  57   }
  58 }
  59
  60 /*
  61  * Main interface
  62  */
  63
  64 /// Add a load save filter.
  65 void KwFilterManager::addLoadSaveFilter(KwLoadSaveFilter* loadSaveFilter, bool makeDefault)
  66 {
  67   m_loadSaveFilters += loadSaveFilter;
  68   if (makeDefault)
  69   {
  70     m_defaultLoadSaveFilter = loadSaveFilter;
  71   }
  72 }
  73
  74 /// Add an import filter.
  75 void KwFilterManager::addImportFilter(KwImportFilter* importFilter)
  76 {
  77   m_importFilters += importFilter;
  78 }
  79
  80 /// Add an export filter.
  81 void KwFilterManager::addExportFilter(KwExportFilter* exportFilter)
  82 {
  83   m_exportFilters += exportFilter;
  84 }
  85
  86 /// Get load mime types.
  87 QStringList KwFilterManager::loadMimeTypes() const
  88 {
  89   QStringList result;
  90   foreach (KwLoadSaveFilter* filter, m_loadSaveFilters)
  91   {
  92     result += filter->importMimeTypes();
  93   }
  94   return result;
  95 }
  96
  97 /// Get save mime types.
  98 QStringList KwFilterManager::saveMimeTypes() const
  99 {
 100   QStringList result;
 101   foreach (KwLoadSaveFilter* filter, m_loadSaveFilters)
 102   {
 103     result += filter->exportMimeTypes();
 104   }
 105   return result;
 106 }
 107
 108 /// Get import mime types.
 109 QStringList KwFilterManager::importMimeTypes() const
 110 {
 111   QStringList result;
 112   foreach (KwImportFilter* filter, m_importFilters)
 113   {
 114     result += filter->importMimeTypes();
 115   }
 116   return result;
 117 }
 118
 119 /// Get export mime types.
 120 QStringList KwFilterManager::exportMimeTypes() const
 121 {
 122   QStringList result;
 123   foreach (KwExportFilter* filter, m_exportFilters)
 124   {
 125     result += filter->exportMimeTypes();
 126   }
 127   return result;
 128 }