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 <KInputDialog>
  16 #include <KProgressDialog>
  17
  18 FeedSettingsWidget::FeedSettingsWidget( QWidget *parent )
  19     : QWidget( parent ),
  20     m_downloadMessageBox( 0 )
  21 {
  22     ui.setupUi( this );
  23     ui.feedListWidget->addItems( Settings::feedUrls() );
  24     connect( ui.feedListWidget, SIGNAL( itemSelectionChanged() ),
  25              this, SLOT( feedItemChanged() ) );
  26     connect( ui.addButton, SIGNAL( clicked() ),
  27              this, SLOT( addButtonClicked() ) );
  28     connect( ui.removeButton, SIGNAL( clicked() ),
  29              this, SLOT( removeButtonClicked() ) );
  30
  31     if ( ui.feedListWidget->count() > 0 ) {
  32         ui.feedListWidget->setCurrentRow( 0 );
  33         feedItemChanged();
  34     }
  35
  36     ui.addButton->setIcon( KIcon( "list-add" ) );
  37     ui.removeButton->setIcon( KIcon( "list-remove" ) );
  38 }
  39
  40 QStringList FeedSettingsWidget::feedUrls() const
  41 {
  42     QStringList urls;
  43     for ( int i = 0; i < ui.feedListWidget->count(); ++i ) {
  44         urls.append( ui.feedListWidget->item( i )->text() );
  45     }
  46     return urls;
  47 }
  48
  49 void FeedSettingsWidget::feedItemChanged()
  50 {
  51     QListWidgetItem *item = ui.feedListWidget->currentItem();
  52     ui.removeButton->setEnabled( item != 0 );
  53     if ( item == 0 ) {
  54         return;
  55     }
  56
  57     QMap<QUrl, Syndication::FeedPtr> availableFeeds = NewsFeedManager::self()->availableFeeds();
  58     QMap<QUrl, Syndication::FeedPtr>::ConstIterator it = availableFeeds.find( item->text() );
  59     if ( it == availableFeeds.end() ) {
  60         kDebug( 500 ) << "Don't have this item " << item->text();
  61         return;
  62     }
  63
  64     Syndication::FeedPtr feed = *it;
  65     ui.feedTitleLabel->setText( feed->title() );
  66     ui.feedUrlLabel->setText( feed->link() );
  67     ui.feedDescriptionLabel->setText( feed->description() );
  68
  69 }
  70
  71 void FeedSettingsWidget::addButtonClicked()
  72 {
  73      bool ok;
  74      QString url = KInputDialog::getText( i18n( "New Newsfeed" ),
  75                                           i18n( "Enter the Address (URL) of the Newsfeed to be added:" ),
  76                                           QString(),
  77                                           &ok,
  78                                           this );
  79
  80      if ( ok && !url.isEmpty() ) {
  81          m_addedFeedUrl = url;
  82          connect( NewsFeedManager::self(), SIGNAL( feedLoaded( const QUrl & ) ),
  83                   this, SLOT( feedLoaded( const QUrl & ) ) );
  84
  85          NewsFeedManager::self()->updateFeed( url );
  86          m_downloadMessageBox = new KProgressDialog( this,
  87                                                      i18n( "Please wait..." ),
  88                                                      i18n( "Please wait while the newsfeed is downloaded..." ) );
  89          m_downloadMessageBox->progressBar()->setRange( 0, 0 );
  90          m_downloadMessageBox->exec();
  91      }
  92 }
  93
  94 void FeedSettingsWidget::removeButtonClicked()
  95 {
  96     int row = ui.feedListWidget->currentRow();
  97     delete ui.feedListWidget->takeItem( row );
  98
  99     const int remainingItems = ui.feedListWidget->count();
 100     if ( remainingItems > 0 ) {
 101         if ( row == remainingItems ) {
 102             row = remainingItems - 1;
 103         }
 104         ui.feedListWidget->setCurrentRow( row );
 105     }
 106 }
 107
 108
 109 void FeedSettingsWidget::feedLoaded( const QUrl &url )
 110 {
 111     if ( url.toString() != m_addedFeedUrl ) {
 112         return;
 113     }
 114
 115     disconnect( NewsFeedManager::self(), SIGNAL( feedLoaded( const QUrl & ) ),
 116                 this, SLOT( feedLoaded( const QUrl & ) ) );
 117
 118     delete m_downloadMessageBox;
 119     m_downloadMessageBox = 0;
 120
 121     QListWidgetItem *item = new QListWidgetItem( url.toString() );
 122     ui.feedListWidget->addItem( item );
 123     ui.feedListWidget->setCurrentItem( item );
 124 }
 125
 126 #include "feedsettingswidget.moc"
 127