knewsticker/feedsettingswidget.cpp

   1 /*
   2  * feedsettingswidget.cpp
   3  *
   4  * Copyright (c) 2007 Frerich Raabe <raabe@kde.org>
   5  *
   6  * This program is distributed in the hope that it will be useful, but WITHOUT
   7  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   8  * FOR A PARTICULAR PURPOSE. For licensing and distribution details, check the
   9  * accompanying file 'COPYING'.
  10  */
  11 #include "feedsettingswidget.h"
  12 #include "newsfeedmanager.h"
  13 #include "settings.h"
  14
  15 #include <QInputDialog>
  16 #include <QMessageBox>
  17
  18 #include <QProgressDialog>
  19
  20 FeedSettingsWidget::FeedSettingsWidget( QWidget *parent )
  21     : QWidget( parent ),
  22     m_downloadMessageBox( 0 )
  23 {
  24     ui.setupUi( this );
  25     ui.feedListWidget->addItems( Settings::feedUrls() );
  26     connect( ui.feedListWidget, SIGNAL( itemSelectionChanged() ),
  27              this, SLOT( feedItemChanged() ) );
  28     connect( ui.addButton, SIGNAL( clicked() ),
  29              this, SLOT( addButtonClicked() ) );
  30     connect( ui.removeButton, SIGNAL( clicked() ),
  31              this, SLOT( removeButtonClicked() ) );
  32
  33     connect( NewsFeedManager::self(), SIGNAL( feedLoaded( const QUrl & ) ),
  34              this, SLOT( feedLoaded( const QUrl & ) ) );
  35
  36     if ( ui.feedListWidget->count() > 0 ) {
  37         ui.feedListWidget->setCurrentRow( 0 );
  38         feedItemChanged();
  39     }
  40 }
  41
  42 QStringList FeedSettingsWidget::feedUrls() const
  43 {
  44     QStringList urls;
  45     for ( int i = 0; i < ui.feedListWidget->count(); ++i ) {
  46         urls.append( ui.feedListWidget->item( i )->text() );
  47     }
  48     return urls;
  49 }
  50
  51 void FeedSettingsWidget::feedItemChanged()
  52 {
  53     QListWidgetItem *item = ui.feedListWidget->currentItem();
  54     ui.removeButton->setEnabled( item != 0 );
  55     if ( item == 0 ) {
  56         return;
  57     }
  58
  59     QMap<QUrl, Syndication::FeedPtr> availableFeeds = NewsFeedManager::self()->availableFeeds();
  60     QMap<QUrl, Syndication::FeedPtr>::ConstIterator it = availableFeeds.find( item->text() );
  61     if ( it == availableFeeds.end() ) {
  62         kDebug( 500 ) << "Don't have this item " << item->text();
  63         return;
  64     }
  65
  66     Syndication::FeedPtr feed = *it;
  67     ui.feedTitleLabel->setText( feed->title() );
  68     ui.feedUrlLabel->setText( feed->link() );
  69     ui.feedDescriptionLabel->setText( feed->description() );
  70
  71 }
  72
  73 void FeedSettingsWidget::addButtonClicked()
  74 {
  75      bool ok;
  76      QString url = QInputDialog::getText( this, i18n( "New Newsfeed" ),
  77                                           i18n( "Enter the Address (URL) of the Newsfeed to be added:" ),
  78                                           QLineEdit::Normal,
  79                                           QString(),
  80                                           &ok );
  81
  82      if ( ok && !url.isEmpty() ) {
  83          NewsFeedManager::self()->updateFeed( url );
  84          m_downloadMessageBox = new QProgressDialog( i18n( "Please wait while the newsfeed is downloaded..." ),
  85                                                      i18n( "Cancel" ),
  86                                                      0,
  87                                                      0,
  88                                                      this );
  89          m_downloadMessageBox->exec();
  90      }
  91 }
  92
  93 void FeedSettingsWidget::removeButtonClicked()
  94 {
  95     int row = ui.feedListWidget->currentRow();
  96     delete ui.feedListWidget->takeItem( row );
  97
  98     const int remainingItems = ui.feedListWidget->count();
  99     if ( remainingItems > 0 ) {
 100         if ( row == remainingItems ) {
 101             row = remainingItems - 1;
 102         }
 103         ui.feedListWidget->setCurrentRow( row );
 104     }
 105 }
 106
 107
 108 void FeedSettingsWidget::feedLoaded( const QUrl &url )
 109 {
 110     delete m_downloadMessageBox;
 111     m_downloadMessageBox = 0;
 112
 113     QListWidgetItem *item = new QListWidgetItem( url.toString() );
 114     ui.feedListWidget->addItem( item );
 115     ui.feedListWidget->setCurrentItem( item );
 116 }
 117
 118 #include "feedsettingswidget.moc"
 119