kworship/archive/KwResourceLink.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 KwResourceLink.cpp
  22  * @brief A link to a resource file.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "KwResourceLink.h"
  27 #include "KwResourceManager.h"
  28
  29 #include <QDomDocument>
  30 #include <QDomElement>
  31
  32 /*
  33  * Constructors + destructor
  34  */
  35
  36 /// Default constructor.
  37 KwResourceLink::KwResourceLink()
  38 : m_type(Null)
  39 , m_url()
  40 , m_path()
  41 {
  42 }
  43
  44 /// Construct from a DOM element.
  45 KwResourceLink::KwResourceLink(const QDomElement& element, KwResourceManager* resourceManager)
  46 : m_type(Null)
  47 , m_url()
  48 , m_path()
  49 {
  50   QString type = element.attribute("type");
  51   if (type == "url")
  52   {
  53     m_type = Url;
  54     m_url = element.text();
  55   }
  56 }
  57
  58 /// Construct a URL link.
  59 KwResourceLink::KwResourceLink(const KUrl& url)
  60 : m_type(Url)
  61 , m_url(url)
  62 , m_path()
  63 {
  64 }
  65
  66 /// Construct a path link.
  67 KwResourceLink::KwResourceLink(Type type, const QString& path)
  68 : m_type(type)
  69 , m_url()
  70 , m_path(path)
  71 {
  72   Q_ASSERT(type != Null && type != Url);
  73 }
  74
  75 /// Destructor.
  76 KwResourceLink::~KwResourceLink()
  77 {
  78 }
  79
  80 /*
  81  * DOM Translation.
  82  */
  83
  84 /// Export this resource link into a DOM.
  85 void KwResourceLink::exportToDom(QDomDocument& document, QDomElement& element, KwResourceManager* resourceManager) const
  86 {
  87   resourceManager->addResource(this);
  88   switch (m_type)
  89   {
  90     case Url:
  91     {
  92       element.setAttribute("type", "url");
  93       element.appendChild(document.createTextNode(m_url.url()));
  94       break;
  95     }
  96     default:
  97     {
  98       break;
  99     }
 100   }
 101 }
 102
 103 /*
 104  * Accessors
 105  */
 106
 107 /// Get whether the link is null.
 108 bool KwResourceLink::isNull() const
 109 {
 110   return (Null == m_type);
 111 }
 112
 113 /// Get the type of resource link.
 114 KwResourceLink::Type KwResourceLink::type() const
 115 {
 116   return m_type;
 117 }
 118
 119 /// Get the url.
 120 KUrl KwResourceLink::url() const
 121 {
 122   Q_ASSERT(m_type == Url);
 123   return m_url;
 124 }
 125
 126 /// Get the type dependent path.
 127 QString KwResourceLink::path() const
 128 {
 129   Q_ASSERT(m_type != Null && m_type != Url);
 130   return m_path;
 131 }
 132