kontact

kcmkontactknt.cpp

00001 /*
00002   This file is part of Kontact.
00003 
00004   Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
00005 
00006   This program is free software; you can redistribute it and/or modify
00007   it under the terms of the GNU General Public License as published by
00008   the Free Software Foundation; either version 2 of the License, or
00009   (at your option) any later version.
00010 
00011   This program is distributed in the hope that it will be useful,
00012   but WITHOUT ANY WARRANTY; without even the implied warranty of
00013   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00014   GNU General Public License for more details.
00015 
00016   You should have received a copy of the GNU General Public License along
00017   with this program; if not, write to the Free Software Foundation, Inc.,
00018   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00019 
00020   As a special exception, permission is given to link this program
00021   with any edition of Qt, and distribute the resulting executable,
00022   without including the source code for Qt in the source distribution.
00023 */
00024 
00025 #include "kcmkontactknt.h"
00026 #include "newsfeeds.h"
00027 
00028 #include <q3groupbox.h>
00029 #include <QLabel>
00030 #include <QLayout>
00031 #include <QLineEdit>
00032 #include <QGridLayout>
00033 #include <QSpinBox>
00034 #include <QVBoxLayout>
00035 #include <QVector>
00036 #include <QtDBus/QtDBus>
00037 
00038 #include <k3listview.h>
00039 #include <kaboutdata.h>
00040 #include <kacceleratormanager.h>
00041 #include <kcomponentdata.h>
00042 #include <kconfig.h>
00043 #include <kdebug.h>
00044 #include <kdemacros.h>
00045 #include <klocale.h>
00046 #include <kpushbutton.h>
00047 #include <ktoolinvocation.h>
00048 
00049 extern "C"
00050 {
00051   KDE_EXPORT KCModule *create_kontactknt( QWidget *parent, const char * )
00052   {
00053     KComponentData inst( "kcmkontactknt" );
00054     return new KCMKontactKNT( inst, parent );
00055   }
00056 }
00057 
00058 NewsEditDialog::NewsEditDialog( const QString &title, const QString &url, QWidget *parent )
00059   : KDialog( parent )
00060 {
00061   setCaption( i18n( "New News Feed" ) );
00062   setButtons( Ok | Cancel );
00063   setDefaultButton( Ok );
00064   setModal( true );
00065   showButtonSeparator( true );
00066 
00067   QWidget *page = new QWidget( this );
00068   setMainWidget( page );
00069   QGridLayout *layout = new QGridLayout( page );
00070   layout->setSpacing( spacingHint() );
00071   layout->setMargin( marginHint() );
00072 
00073   QLabel *label = new QLabel( i18n( "Name:" ), page );
00074   layout->addWidget( label, 0, 0 );
00075 
00076   mTitle = new QLineEdit( page );
00077   label->setBuddy( mTitle );
00078   layout->addWidget( mTitle, 0, 1, 1, 2 );
00079 
00080   label = new QLabel( i18n( "URL:" ), page );
00081   layout->addWidget( label, 1, 0 );
00082 
00083   mURL = new QLineEdit( page );
00084   label->setBuddy( mURL );
00085   layout->addWidget( mURL, 1, 1, 1, 2 );
00086 
00087   mTitle->setText( title );
00088   mURL->setText( url );
00089   mTitle->setFocus();
00090   connect( mTitle, SIGNAL(textChanged(const QString&)),
00091            this, SLOT(modified()) );
00092   connect( mURL, SIGNAL(textChanged(const QString&)),
00093            this, SLOT(modified()) );
00094 
00095   modified();
00096 }
00097 
00098 void NewsEditDialog::modified()
00099 {
00100   enableButton( KDialog::Ok, !title().isEmpty() && !url().isEmpty() );
00101 }
00102 
00103 QString NewsEditDialog::title() const
00104 {
00105   return mTitle->text();
00106 }
00107 
00108 QString NewsEditDialog::url() const
00109 {
00110   return mURL->text();
00111 }
00112 
00113 class NewsItem : public Q3ListViewItem
00114 {
00115   public:
00116     NewsItem( Q3ListView *parent, const QString &title, const QString &url, bool custom )
00117       : Q3ListViewItem( parent ), mTitle( title ), mUrl( url ), mCustom( custom )
00118     {
00119       setText( 0, mTitle );
00120     }
00121 
00122     NewsItem( Q3ListViewItem *parent, const QString &title, const QString &url, bool custom )
00123       : Q3ListViewItem( parent ), mTitle( title ), mUrl( url ), mCustom( custom )
00124     {
00125       setText( 0, mTitle );
00126     }
00127 
00128     QString title() const { return mTitle; }
00129     QString url() const { return mUrl; }
00130     bool custom() const { return mCustom; }
00131 
00132   private:
00133     QString mTitle;
00134     QString mUrl;
00135     bool mCustom;
00136 };
00137 
00138 KCMKontactKNT::KCMKontactKNT( const KComponentData &inst, QWidget *parent )
00139   : KCModule( inst, parent )
00140 {
00141   initGUI();
00142 
00143   connect( mAllNews, SIGNAL(currentChanged(Q3ListViewItem*)),
00144            this, SLOT(allCurrentChanged(Q3ListViewItem*)) );
00145   connect( mSelectedNews, SIGNAL(selectionChanged(Q3ListViewItem*)),
00146            this, SLOT(selectedChanged(Q3ListViewItem*)) );
00147 
00148   connect( mUpdateInterval, SIGNAL(valueChanged(int)), SLOT(modified()) );
00149   connect( mArticleCount, SIGNAL(valueChanged(int)), SLOT(modified()) );
00150 
00151   connect( mAddButton, SIGNAL(clicked()), this, SLOT(addNews()) );
00152   connect( mRemoveButton, SIGNAL(clicked()), this, SLOT(removeNews()) );
00153   connect( mNewButton, SIGNAL(clicked()), this, SLOT(newFeed()) );
00154   connect( mDeleteButton, SIGNAL(clicked()), this, SLOT(deleteFeed()) );
00155 
00156   KAcceleratorManager::manage( this );
00157 
00158   load();
00159 }
00160 
00161 void KCMKontactKNT::loadNews()
00162 {
00163   QVector<Q3ListViewItem*> parents;
00164   QVector<Q3ListViewItem*>::Iterator it;
00165 
00166   parents.append( new Q3ListViewItem( mAllNews, i18n( "Arts" ) ) );
00167   parents.append( new Q3ListViewItem( mAllNews, i18n( "Business" ) ) );
00168   parents.append( new Q3ListViewItem( mAllNews, i18n( "Computers" ) ) );
00169   parents.append( new Q3ListViewItem( mAllNews, i18n( "Misc" ) ) );
00170   parents.append( new Q3ListViewItem( mAllNews, i18n( "Recreation" ) ) );
00171   parents.append( new Q3ListViewItem( mAllNews, i18n( "Society" ) ) );
00172 
00173   for ( it = parents.begin(); it != parents.end(); ++it ) {
00174     (*it)->setSelectable( false );
00175   }
00176 
00177   for ( int i = 0; i < DEFAULT_NEWSSOURCES; ++i ) {
00178     NewsSourceData data = NewsSourceDefault[ i ];
00179     new NewsItem( parents[ data.category() ], data.name(), data.url(), false );
00180     mFeedMap.insert( data.url(), data.name() );
00181   }
00182 }
00183 
00184 void KCMKontactKNT::loadCustomNews()
00185 {
00186   KConfig config( "kcmkontactkntrc" );
00187   KConfigGroup cg = config.group( "CustomFeeds" );
00188   const QStringList customFeeds = cg.keyList();
00189 
00190   mCustomItem = new Q3ListViewItem( mAllNews, i18n( "Custom" ) );
00191   mCustomItem->setSelectable( false );
00192 
00193   if ( customFeeds.count() == 0 ) {
00194     mCustomItem->setVisible( false );
00195   }
00196 
00197   QStringList::ConstIterator it;
00198   for ( it = customFeeds.begin(); it != customFeeds.end(); ++it ) {
00199     QStringList value = cg.readEntry( *it, QStringList() );
00200     mCustomFeeds.append( new NewsItem( mCustomItem, value[ 0 ], value[ 1 ], true ) );
00201     mFeedMap.insert( value[ 1 ], value[ 0 ] );
00202     mCustomItem->setVisible( true );
00203   }
00204 }
00205 
00206 void KCMKontactKNT::storeCustomNews()
00207 {
00208   KConfig config( "kcmkontactkntrc" );
00209   config.deleteGroup( "CustomFeeds" );
00210   KConfigGroup cg = config.group( "CustomFeeds" );
00211 
00212   int counter = 0;
00213   QList<NewsItem*>::Iterator it;
00214   for ( it = mCustomFeeds.begin(); it != mCustomFeeds.end(); ++it ) {
00215     QStringList value;
00216     value << (*it)->title() << (*it)->url();
00217     cg.writeEntry( QString::number( counter ), value );
00218 
00219     ++counter;
00220   }
00221 
00222   config.sync();
00223 }
00224 
00225 void KCMKontactKNT::addNews()
00226 {
00227   if ( !dbusActive() ) {
00228     return;
00229   }
00230 
00231   NewsItem *item = dynamic_cast<NewsItem*>( mAllNews->selectedItem() );
00232   if ( item == 0 ) {
00233     return;
00234   }
00235 
00236 #ifdef __GNUC__
00237   #warning "insert the right dbus path/interface here, once knewsticker has been ported"
00238 #endif
00239   QDBusInterface service( "org.kde.rssservice", "/", "org.kde.rssservice.RSSService" );
00240   service.call( "add(QString)", item->url() );
00241 
00242   scanNews();
00243 
00244   emit changed( true );
00245 }
00246 
00247 void KCMKontactKNT::removeNews()
00248 {
00249   if ( !dbusActive() ) {
00250     return;
00251   }
00252 
00253   NewsItem *item = dynamic_cast<NewsItem*>( mSelectedNews->selectedItem() );
00254   if ( item == 0 ) {
00255     return;
00256   }
00257 
00258 #ifdef __GNUC__
00259   #warning "insert the right dbus path/interface here, once knewsticker has been ported"
00260 #endif
00261   QDBusInterface service( "org.kde.rssservice", "/", "org.kde.rssservice.RSSService" );
00262   service.call( "remove(QString)", item->url() );
00263 
00264   scanNews();
00265 
00266   emit changed( true );
00267 }
00268 
00269 void KCMKontactKNT::newFeed()
00270 {
00271   NewsEditDialog dlg( "", "", this );
00272 
00273   if ( dlg.exec() ) {
00274     NewsItem *item = new NewsItem( mCustomItem, dlg.title(), dlg.url(), true );
00275     mCustomFeeds.append( item );
00276     mFeedMap.insert( dlg.url(), dlg.title() );
00277 
00278     mCustomItem->setVisible( true );
00279     mCustomItem->setOpen( true );
00280     mAllNews->ensureItemVisible( item );
00281     mAllNews->setSelected( item, true );
00282 
00283     emit changed( true );
00284   }
00285 }
00286 
00287 void KCMKontactKNT::deleteFeed()
00288 {
00289   NewsItem *item = dynamic_cast<NewsItem*>( mAllNews->selectedItem() );
00290   if ( !item ) {
00291     return;
00292   }
00293 
00294   if ( !mCustomFeeds.contains( item ) ) {
00295     return;
00296   }
00297 
00298   mCustomFeeds.removeAll( item );
00299   mFeedMap.remove( item->url() );
00300   delete item;
00301 
00302   if ( mCustomFeeds.count() == 0 ) {
00303     mCustomItem->setVisible( false );
00304   }
00305 
00306   emit changed( true );
00307 }
00308 
00309 void KCMKontactKNT::scanNews()
00310 {
00311   if ( !dbusActive() ) {
00312     return;
00313   }
00314 
00315   mSelectedNews->clear();
00316 
00317 #ifdef __GNUC__
00318   #warning "insert the right dbus path/interface here, once knewsticker has been ported"
00319 #endif
00320   QDBusInterface service( "org.kde.rssservice", "/", "org.kde.rssservice.RSSService" );
00321   QDBusReply<QStringList> reply = service.call( "list()" );
00322   QStringList urls = reply.value();
00323 
00324   for ( int i = 0; i < urls.count(); ++i ) {
00325     QString url = urls[ i ];
00326     QString feedName = mFeedMap[ url ];
00327     if ( feedName.isEmpty() ) {
00328       feedName = url;
00329     }
00330     new NewsItem( mSelectedNews, feedName, url, false );
00331   }
00332 }
00333 
00334 void KCMKontactKNT::selectedChanged( Q3ListViewItem *item )
00335 {
00336   mRemoveButton->setEnabled( item && item->isSelected() );
00337 }
00338 
00339 void KCMKontactKNT::allCurrentChanged( Q3ListViewItem *item )
00340 {
00341   NewsItem *newsItem = dynamic_cast<NewsItem*>( item );
00342 
00343   bool addState = false;
00344   bool delState = false;
00345   if ( newsItem && newsItem->isSelected() ) {
00346     addState = true;
00347     delState = ( mCustomFeeds.contains( newsItem ) );
00348   }
00349 
00350   mAddButton->setEnabled( addState );
00351   mDeleteButton->setEnabled( delState );
00352 }
00353 
00354 void KCMKontactKNT::modified()
00355 {
00356   emit changed( true );
00357 }
00358 
00359 void KCMKontactKNT::initGUI()
00360 {
00361   QGridLayout *layout = new QGridLayout( this );
00362   layout->setSpacing( KDialog::spacingHint() );
00363   layout->setMargin( KDialog::marginHint() );
00364 
00365   mAllNews = new K3ListView( this );
00366   mAllNews->addColumn( i18n( "All" ) );
00367   mAllNews->setRootIsDecorated( true );
00368   mAllNews->setFullWidth( true );
00369   layout->addWidget( mAllNews, 0, 0 );
00370 
00371   QVBoxLayout *vbox = new QVBoxLayout();
00372   layout->addLayout( vbox, 0, 1 );
00373   vbox->setSpacing( KDialog::spacingHint() );
00374 
00375   vbox->addStretch();
00376   mAddButton = new KPushButton( i18n( "Add" ), this );
00377   mAddButton->setEnabled( false );
00378   vbox->addWidget( mAddButton );
00379   mRemoveButton = new KPushButton( i18n( "Remove" ), this );
00380   mRemoveButton->setEnabled( false );
00381   vbox->addWidget( mRemoveButton );
00382   vbox->addStretch();
00383 
00384   mSelectedNews = new K3ListView( this );
00385   mSelectedNews->addColumn( i18n( "Selected" ) );
00386   mSelectedNews->setFullWidth( true );
00387   layout->addWidget( mSelectedNews, 0, 2 );
00388 
00389   Q3GroupBox *box = new Q3GroupBox( 0, Qt::Vertical,
00390                                   i18n( "News Feed Settings" ), this );
00391 
00392   QGridLayout *boxLayout = new QGridLayout();
00393   box->layout()->addItem( boxLayout );
00394   boxLayout->setSpacing( KDialog::spacingHint() );
00395 
00396   QLabel *label = new QLabel( i18n( "Refresh time:" ), box );
00397   boxLayout->addWidget( label, 0, 0 );
00398 
00399   mUpdateInterval = new QSpinBox( box );
00400   mUpdateInterval->setRange( 1, 3600 );
00401   mUpdateInterval->setSuffix( " sec." );
00402   label->setBuddy( mUpdateInterval );
00403   boxLayout->addWidget( mUpdateInterval, 0, 1 );
00404 
00405   label = new QLabel( i18n( "Number of items shown:" ), box );
00406   boxLayout->addWidget( label, 1, 0 );
00407 
00408   mArticleCount = new QSpinBox( box );
00409   label->setBuddy( mArticleCount );
00410   boxLayout->addWidget( mArticleCount, 1, 1 );
00411 
00412   mNewButton = new KPushButton( i18n( "New Feed..." ), box );
00413   boxLayout->addWidget( mNewButton, 0, 2 );
00414 
00415   mDeleteButton = new KPushButton( i18n( "Delete Feed" ), box );
00416   mDeleteButton->setEnabled( false );
00417   boxLayout->addWidget( mDeleteButton, 1, 2 );
00418 
00419   layout->addWidget( box, 1, 0, 1, 3 );
00420 }
00421 
00422 bool KCMKontactKNT::dbusActive() const
00423 {
00424   QString error;
00425   QString appID;
00426   bool isGood = true;
00427 
00428 #ifdef __GNUC__
00429   #warning "insert the right dbus path/interface here, once knewsticker has been ported"
00430 #endif
00431   QDBusInterface service( "org.kde.rssservice", "/", "org.kde.rssservice.RSSService" );
00432   if ( !service.isValid() ) {
00433     if ( KToolInvocation::startServiceByDesktopName(
00434            "rssservice", QStringList(), &error, &appID ) ) {
00435       isGood = false;
00436     }
00437   }
00438 
00439   return isGood;
00440 }
00441 
00442 void KCMKontactKNT::load()
00443 {
00444   mAllNews->clear();
00445 
00446   loadNews();
00447   loadCustomNews();
00448   scanNews();
00449 
00450   KConfig config( "kcmkontactkntrc" );
00451   KConfigGroup grp = config.group( "General" );
00452 
00453   mUpdateInterval->setValue( grp.readEntry( "UpdateInterval", 600 ) );
00454   mArticleCount->setValue( grp.readEntry( "ArticleCount", 4 ) );
00455 
00456   emit changed( false );
00457 }
00458 
00459 void KCMKontactKNT::save()
00460 {
00461   storeCustomNews();
00462 
00463   KConfig config( "kcmkontactkntrc" );
00464   KConfigGroup cg = config.group( "General" );
00465 
00466   cg.writeEntry( "UpdateInterval", mUpdateInterval->value() );
00467   cg.writeEntry( "ArticleCount", mArticleCount->value() );
00468 
00469   config.sync();
00470 
00471   emit changed( false );
00472 }
00473 
00474 void KCMKontactKNT::defaults()
00475 {
00476 }
00477 
00478 const KAboutData *KCMKontactKNT::aboutData() const
00479 {
00480   KAboutData *about = new KAboutData( I18N_NOOP( "kcmkontactknt" ), 0,
00481                                       ki18n( "Newsticker Configuration Dialog" ),
00482                                       0, KLocalizedString(), KAboutData::License_GPL,
00483                                       ki18n( "(c) 2003 - 2004 Tobias Koenig" ) );
00484 
00485   about->addAuthor( ki18n( "Tobias Koenig" ),
00486                     KLocalizedString(), "tokoe@kde.org" );
00487 
00488   return about;
00489 }
00490 
00491 #include "kcmkontactknt.moc"
kontact

kcmkontactknt.cpp

kontact

kdepim
