kworship/KwFilterManager.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 _KwFilterManager_h_
  21 #define _KwFilterManager_h_
  22
  23 /**
  24  * @file KwFilterManager.h
  25  * @brief Manages file filters.
  26  * @author James Hogan <james@albanarts.com>
  27  */
  28
  29 #include "KwExport.h"
  30
  31 #include <QList>
  32 #include <QHash>
  33 #include <QStringList>
  34
  35 class KwImportFilter;
  36 class KwExportFilter;
  37 class KwLoadSaveFilter;
  38
  39 /// Manages file filter.
  40 class KWMAIN_EXPORT KwFilterManager
  41 {
  42   public:
  43
  44     /*
  45      * Constructors + destructor
  46      */
  47
  48     /// Primary constructor.
  49     KwFilterManager();
  50
  51     /// Destructor.
  52     virtual ~KwFilterManager();
  53
  54     /*
  55      * Main interface
  56      */
  57
  58     /// Add a load save filter.
  59     void addLoadSaveFilter(KwLoadSaveFilter* loadSaveFilter, bool makeDefault = false);
  60
  61     /// Add an import filter.
  62     void addImportFilter(KwImportFilter* importFilter);
  63
  64     /// Add an export filter.
  65     void addExportFilter(KwExportFilter* exportFilter);
  66
  67     /// Get load mime types.
  68     QStringList loadMimeTypes() const;
  69
  70     /// Get save mime types.
  71     QStringList saveMimeTypes() const;
  72
  73     /// Get import mime types.
  74     QStringList importMimeTypes() const;
  75
  76     /// Get export mime types.
  77     QStringList exportMimeTypes() const;
  78
  79     /// Get the default save mime type.
  80     const QString& defaultSaveMimeType() const;
  81
  82     /// Get the load filter for a mime type.
  83     KwLoadSaveFilter* loadFilterFromMimeType(const QString& mimeType);
  84
  85     /// Get the save filter for a mime type.
  86     KwLoadSaveFilter* saveFilterFromMimeType(const QString& mimeType);
  87
  88     /// Get the import filter for a mime type.
  89     KwImportFilter* importFilterFromMimeType(const QString& mimeType);
  90
  91     /// Get the export filter for a mime type.
  92     KwExportFilter* exportFilterFromMimeType(const QString& mimeType);
  93
  94   private:
  95
  96     /*
  97      * Variables
  98      */
  99
 100     /// Default load save filter.
 101     KwLoadSaveFilter* m_defaultLoadSaveFilter;
 102
 103     /// List of load save filters.
 104     QList<KwLoadSaveFilter*> m_loadSaveFilters;
 105
 106     /// List of import filters.
 107     QList<KwImportFilter*> m_importFilters;
 108
 109     /// List of export filters.
 110     QList<KwExportFilter*> m_exportFilters;
 111
 112     /// Hash of filters for each load mime type.
 113     QHash<QString, KwLoadSaveFilter*> m_loadMimeFilters;
 114
 115     /// Hash of filters for each save mime type.
 116     QHash<QString, KwLoadSaveFilter*> m_saveMimeFilters;
 117
 118     /// Hash of filters for each import mime type.
 119     QHash<QString, KwImportFilter*> m_importMimeFilters;
 120
 121     /// Hash of filters for each export mime type.
 122     QHash<QString, KwExportFilter*> m_exportMimeFilters;
 123
 124     /// Default save mime type.
 125     QString m_defaultSaveMimeType;
 126 };
 127
 128 #endif // _KwFilterManager_h_