kontact Library API Documentation

weather/summarywidget.cpp

00001 /*
00002     This file is part of Kontact.
00003     Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
00004 
00005     This program is free software; you can redistribute it and/or modify
00006     it under the terms of the GNU General Public License as published by
00007     the Free Software Foundation; either version 2 of the License, or
00008     (at your option) any later version.
00009 
00010     This program is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00013     GNU General Public License for more details.
00014 
00015     You should have received a copy of the GNU General Public License
00016     along with this program; if not, write to the Free Software
00017     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00018 
00019     As a special exception, permission is given to link this program
00020     with any edition of Qt, and distribute the resulting executable,
00021     without including the source code for Qt in the source distribution.
00022 */
00023 #include <qimage.h>
00024 #include <qlabel.h>
00025 #include <qlayout.h>
00026 #include <qtooltip.h>
00027 
00028 #include <dcopclient.h>
00029 #include <dcopref.h>
00030 #include <kapplication.h>
00031 #include <kdebug.h>
00032 #include <kglobal.h>
00033 #include <kglobalsettings.h>
00034 #include <kiconloader.h>
00035 #include <klocale.h>
00036 #include <kurllabel.h>
00037 
00038 #include "summarywidget.h"
00039 
00040 SummaryWidget::SummaryWidget( QWidget *parent, const char *name )
00041   : Kontact::Summary( parent, name ),
00042     DCOPObject( "WeatherSummaryWidget" ), mProc( 0 )
00043 {
00044   mLayout = new QVBoxLayout( this );
00045   mLayout->setAlignment( Qt::AlignTop );
00046 
00047   QPixmap icon = KGlobal::iconLoader()->loadIcon( "kweather", KIcon::Desktop, KIcon::SizeMedium );
00048   QWidget *header = createHeader( this, icon, i18n( "Weather Information" ) );
00049   mLayout->addWidget( header );
00050 
00051   QString error;
00052   QCString appID;
00053   bool serviceAvailable = true;
00054   if ( !kapp->dcopClient()->isApplicationRegistered( "KWeatherService" ) ) {
00055     if ( KApplication::startServiceByDesktopName( "kweatherservice", QStringList(), &error, &appID ) ) {
00056       QLabel *label = new QLabel( i18n( "No weather dcop service available;\nyou need KWeather to use this plugin." ), this );
00057       mLayout->addWidget( label, Qt::AlignHCenter );
00058       serviceAvailable = false;
00059     }
00060   }
00061 
00062   if ( serviceAvailable ) {
00063     connectDCOPSignal( 0, 0, "fileUpdate(QString)", "refresh(QString)", false );
00064     connectDCOPSignal( 0, 0, "stationRemoved(QString)", "stationRemoved(QString)", false );
00065 
00066     DCOPRef dcopCall( "KWeatherService", "WeatherService" );
00067     DCOPReply reply = dcopCall.call( "listStations()", true );
00068     if ( reply.isValid() ) {
00069       mStations = reply;
00070 
00071       connect( &mTimer, SIGNAL( timeout() ), this, SLOT( timeout() ) );
00072       mTimer.start( 0 );
00073     } else {
00074       kdDebug(5602) << "ERROR: dcop reply not valid..." << endl;
00075     }
00076   }
00077 }
00078 
00079 
00080 void SummaryWidget::updateView()
00081 {
00082   mLayouts.setAutoDelete( true );
00083   mLayouts.clear();
00084   mLayouts.setAutoDelete( false );
00085 
00086   mLabels.setAutoDelete( true );
00087   mLabels.clear();
00088   mLabels.setAutoDelete( false );
00089 
00090   if ( mStations.count() == 0 ) {
00091     kdDebug(5602) << "No weather stations defined..." << endl;
00092     return;
00093   }
00094 
00095 
00096   QValueList<WeatherData> dataList = mWeatherMap.values();
00097   qHeapSort( dataList );
00098 
00099   QValueList<WeatherData>::Iterator it;
00100   for ( it = dataList.begin(); it != dataList.end(); ++it ) {
00101     QString cover;
00102     for ( uint i = 0; i < (*it).cover().count(); ++i )
00103       cover += QString( "- %1\n" ).arg( (*it).cover()[ i ] );
00104 
00105     QImage img;
00106     img = (*it).icon();
00107 
00108     QGridLayout *layout = new QGridLayout( mLayout, 3, 3, 3 );
00109     mLayouts.append( layout );
00110 
00111     KURLLabel* urlLabel = new KURLLabel(this);
00112     urlLabel->installEventFilter(this);
00113     urlLabel->setURL((*it).stationID());
00114     urlLabel->setPixmap( img.smoothScale( 32, 32 ) );
00115     urlLabel->setMaximumSize(urlLabel->sizeHint());
00116     urlLabel->setAlignment(/* AlignRight |*/ AlignTop );
00117     layout->addMultiCellWidget( urlLabel, 0, 1, 0, 0 );
00118     mLabels.append( urlLabel );
00119     connect (urlLabel, SIGNAL(leftClickedURL( const QString&) ),
00120         this, SLOT(slotShowReport(const QString& )));
00121 
00122     QLabel* label = new QLabel( this );
00123     label->setText( QString( "%1 (%2)" ).arg( (*it).name() ).arg( (*it).temperature() ) );
00124     QFont font = label->font();
00125     font.setBold( true );
00126     label->setFont( font );
00127     label->setAlignment( AlignLeft );
00128     layout->addMultiCellWidget( label, 0, 0, 1, 2 );
00129     mLabels.append( label );
00130 
00131     QString labelText;
00132     labelText = QString( "<b>%1:</b> %2<br>"
00133                          "<b>%3:</b> %4" )
00134                          .arg( i18n( "Wind Speed" ) )
00135                          .arg( (*it).windSpeed() )
00136                          .arg( i18n( "Rel. Humidity" ) )
00137                          .arg( (*it).relativeHumidity() );
00138 
00139     QToolTip::add( label, labelText.replace( " ", "&nbsp;" ) );
00140 
00141     label = new QLabel( cover, this );
00142     label->setAlignment( AlignLeft );
00143     layout->addMultiCellWidget( label, 1, 1, 1, 2 );
00144     mLabels.append( label );
00145   }
00146 
00147   for ( QLabel *label = mLabels.first(); label; label = mLabels.next() )
00148     label->show();
00149 
00150   mLayout->addStretch( 1 );
00151 }
00152 
00153 void SummaryWidget::timeout()
00154 {
00155   mTimer.stop();
00156 
00157   DCOPRef dcopCall( "KWeatherService", "WeatherService" );
00158   dcopCall.send( "updateAll()" );
00159 
00160   mTimer.start( 15 * 60000 );
00161 }
00162 
00163 void SummaryWidget::refresh( QString station )
00164 {
00165   DCOPRef dcopCall( "KWeatherService", "WeatherService" );
00166 
00167   mWeatherMap[ station ].setIcon( dcopCall.call( "currentIcon(QString)", station, true ) );
00168   mWeatherMap[ station ].setName( dcopCall.call( "stationName(QString)", station, true ) );
00169   mWeatherMap[ station ].setCover( dcopCall.call( "cover(QString)", station, true ) );
00170   mWeatherMap[ station ].setTemperature( dcopCall.call( "temperature(QString)", station, true ) );
00171   mWeatherMap[ station ].setWindSpeed( dcopCall.call( "wind(QString)", station, true ) );
00172   mWeatherMap[ station ].setRelativeHumidity( dcopCall.call( "relativeHumidity(QString)", station, true ) );
00173   mWeatherMap[ station ].setStationID(station);
00174 
00175   updateView();
00176 }
00177 
00178 void SummaryWidget::stationRemoved( QString station )
00179 {
00180   mWeatherMap.remove( station );
00181   updateView();
00182 }
00183 
00184 QStringList SummaryWidget::configModules() const
00185 {
00186   return QStringList( "kcmweatherservice.desktop" );
00187 }
00188 
00189 void SummaryWidget::slotShowReport(const QString &stationID)
00190 {
00191   mProc = new KProcess;
00192   QApplication::connect(mProc, SIGNAL(processExited(KProcess *)),
00193     this, SLOT(slotReportFinished(KProcess* )));
00194   *mProc << "kweatherreport";
00195   *mProc << stationID;
00196   if ( !mProc->start() )
00197   {
00198     delete mProc;
00199     mProc=0;
00200   }
00201 }
00202 
00203 void SummaryWidget::slotReportFinished(KProcess* /*proc*/){
00204   delete mProc;
00205  mProc = 0;
00206 }
00207 
00208 #include "summarywidget.moc"
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This file is part of the documentation for kontact Library Version 3.3.2.
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