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~robol/gits/ » Larss : Blob 03e1ac / rssparser.cpp
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  1. #include "rssparser.h"
  2. #include <QDebug>
  3. #include <QtXml>
  4. #include <QtSql>
  5. #include <QtNetwork>
  6. #include <QtGui>
  7. #include <QtCore>
  8.  
  9. using namespace Larss;
  10.  
  11. Larss::RssParser::RssParser(QSqlDatabase db, FeedModel *model, QObject *parent) :
  12.     QSqlTableModel (parent, db)
  13. {
  14.     // Create the database if it does not exists.
  15.     if (!db.tables().contains ("news"))
  16.     {
  17.         qDebug () << "Creating table news that is not in database...";
  18.         QSqlQuery query(db);
  19.         query.prepare("CREATE TABLE news (id INTEGER PRIMARY KEY, feed INTEGER, title TEXT, link TEXT, description TEXT, content TEXT, time INTEGER, read INTEGER);");
  20.         if (!query.exec())
  21.             qDebug () << "Error occurred while creating the database:" << query.lastError();
  22.     }
  23.  
  24.     // Set init parameters for the QSqlDataTable
  25.     setTable("news");
  26.  
  27.     // Select manual submit so user cannot modify content directly
  28.     setEditStrategy(QSqlTableModel::OnManualSubmit);
  29.     this->model = model;
  30.     select();
  31. }
  32.  
  33. QVariant
  34. Larss::RssParser::headerData(int section, Qt::Orientation orientation, int role) const
  35. {
  36.     if (role == Qt::DisplayRole)
  37.     {
  38.         if (orientation == Qt::Horizontal)
  39.         {
  40.             switch (section)
  41.             {
  42.             case 0:
  43.                 return tr("ID");
  44.                 break;
  45.             case 1:
  46.                 return tr("Feed");
  47.                 break;
  48.             case 2:
  49.                 return tr("Title");
  50.                 break;
  51.             case 3:
  52.                 return tr("Link");
  53.                 break;
  54.             case 4:
  55.                 return tr("Description");
  56.                 break;
  57.             case 5:
  58.                 return tr("Content");
  59.                 break;
  60.             case 6:
  61.                 return tr("Time");
  62.                 break;
  63.             case 7:
  64.                 return tr("Read");
  65.             }
  66.         }
  67.     }
  68.  
  69.     return QVariant (QVariant::Invalid);
  70. }
  71.  
  72. Larss::RssParser::~RssParser()
  73. {
  74. }
  75.  
  76. QVariant
  77. Larss::RssParser::data(const QModelIndex &idx, int role) const
  78. {
  79.     if (role == Qt::FontRole)
  80.     {
  81.         // Get default font
  82.         QFont default_font = QSqlTableModel::data(idx, role).toString();
  83.  
  84.         // Check if this news is read or not
  85.         QSqlRecord record = this->record(idx.row());
  86.         if (record.value("read") == 0)
  87.             default_font.setBold(true);
  88.         return default_font;
  89.     }
  90.     // Call the default implementaton in almost every case
  91.     return QSqlTableModel::data(idx, role);
  92. }
  93.  
  94. QString
  95. Larss::RssParser::getLink(const QModelIndex &index)
  96. {
  97.     QSqlRecord record = this->record(index.row());
  98.     return record.value("link").toString();
  99. }
  100.  
  101. void
  102. Larss::RssParser::setReadStatus(const QModelIndex& index, bool read)
  103. {
  104.     QModelIndex read_index = createIndex(index.row(), 7, index.internalPointer());
  105.     setData(read_index, read ? 1 : 0);
  106.     if (!submitAll())
  107.         qDebug() << "Error while setting the read flag";
  108. }
  109.  
  110. quint64
  111. Larss::RssParser::getFeed(const QModelIndex &index)
  112. {
  113.     quint64 id = index.internalId();
  114.     if (id < FEEDMODEL_MAX_CATEGORIES)
  115.         return 0;
  116.     else
  117.         return (id - FEEDMODEL_MAX_CATEGORIES);
  118. }
  119.  
  120. QString
  121. Larss::RssParser::getContent(const QModelIndex &index)
  122. {
  123.     QModelIndex description_index = createIndex(index.row(), 5, index.internalPointer());
  124.     return data(description_index, Qt::DisplayRole).toString();
  125. }
  126.  
  127. QString
  128. Larss::RssParser::getTitle(const QModelIndex &index)
  129. {
  130.     QModelIndex title_index = createIndex(index.row(), 2, index.internalPointer());
  131.     return data(title_index, Qt::DisplayRole).toString();
  132. }
  133.  
  134. void
  135. Larss::RssParser::selectActiveFeed(quint64 feed_id)
  136. {
  137.     // Show only the news from the given feed
  138.     setFilter(QString("feed='%1'").arg(feed_id));
  139. }
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