libkdepim/ktimezonecombobox.cpp

   1 /*
   2   Copyright (C) 2007 Bruno Virlet <bruno.virlet@gmail.com>
   3   Copyright 2008-2009 Allen Winter <winter@kde.org>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License along
  16   with this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "ktimezonecombobox.h"
  21
  22 #include <kcal/calendar.h>
  23 #include <kcal/icaltimezones.h>
  24
  25 #include <KDebug>
  26 #include <KGlobal>
  27 #include <KLocale>
  28 #include <KSystemTimeZone>
  29
  30 using namespace KPIM;
  31 using namespace KCal;
  32
  33 class KPIM::KTimeZoneComboBox::Private
  34 {
  35   public:
  36     Private( Calendar *calendar, KTimeZoneComboBox *parent )
  37       : mParent( parent ), mCalendar( calendar )
  38     {}
  39
  40     void fillComboBox();
  41     KTimeZoneComboBox *mParent;
  42     Calendar *mCalendar;
  43     QStringList mZones;
  44 };
  45
  46 void KPIM::KTimeZoneComboBox::Private::fillComboBox()
  47 {
  48   // Read all system time zones
  49
  50   const KTimeZones::ZoneMap timezones = KSystemTimeZones::zones();
  51   for ( KTimeZones::ZoneMap::ConstIterator it=timezones.begin(); it != timezones.end(); ++it ) {
  52     mZones.append( it.key().toUtf8() );
  53   }
  54   mZones.sort();
  55
  56   // Prepend the list of timezones from the Calendar
  57   if ( mCalendar ) {
  58     const ICalTimeZones::ZoneMap calzones = mCalendar->timeZones()->zones();
  59     for ( ICalTimeZones::ZoneMap::ConstIterator it=calzones.begin(); it != calzones.end(); ++it ) {
  60       kDebug() << "Prepend timezone " << it.key().toUtf8();
  61       mZones.prepend( it.key().toUtf8() );
  62     }
  63   }
  64
  65   // Prepend UTC and Floating, for convenience
  66   mZones.prepend( "UTC" );      // do not use i18n here
  67   mZones.prepend( "Floating" ); // do not use i18n here
  68
  69   // Put translated zones into the combobox
  70   foreach( const QString &z, mZones ) {
  71     mParent->addItem( i18n( z.toUtf8() ).replace( '_', ' ' ) );
  72   }
  73 }
  74
  75 KTimeZoneComboBox::KTimeZoneComboBox( Calendar *calendar, QWidget *parent )
  76   : KComboBox( parent ), d( new KPIM::KTimeZoneComboBox::Private( calendar, this ) )
  77 {
  78   KGlobal::locale()->insertCatalog( "timezones4" ); // for translated timezones
  79   d->fillComboBox();
  80 }
  81
  82 void KTimeZoneComboBox::setCalendar( Calendar *calendar )
  83 {
  84   d->mCalendar = calendar;
  85 }
  86
  87 KTimeZoneComboBox::~KTimeZoneComboBox()
  88 {
  89   delete d;
  90 }
  91
  92 void KTimeZoneComboBox::selectTimeSpec( const KDateTime::Spec &spec )
  93 {
  94   int nCurrentlySet = -1;
  95
  96   int i = 0;
  97   foreach( const QString &z, d->mZones ) {
  98     if ( z == spec.timeZone().name() ) {
  99       nCurrentlySet = i;
 100       break;
 101     }
 102     i++;
 103   }
 104
 105   if ( nCurrentlySet == -1 ) {
 106     if ( spec.isUtc() ) {
 107       setCurrentIndex( 1 ); // UTC
 108     } else {
 109       setCurrentIndex( 0 ); // Floating event
 110     }
 111   } else {
 112     setCurrentIndex( nCurrentlySet );
 113   }
 114 }
 115
 116 KDateTime::Spec KTimeZoneComboBox::selectedTimeSpec()
 117 {
 118   KDateTime::Spec spec;
 119   if ( currentIndex() == 0 ) { // Floating event
 120     spec = KDateTime::Spec( KDateTime::ClockTime );
 121   }
 122   else if ( currentIndex() == 1 ) { // UTC
 123     spec.setType( KDateTime::UTC );
 124   }
 125   else {
 126     spec.setType( KSystemTimeZones::zone( d->mZones[currentIndex()] ) );
 127   }
 128
 129   return spec;
 130 }
 131
 132 void KTimeZoneComboBox::selectLocalTimeSpec()
 133 {
 134   selectTimeSpec( KDateTime::Spec( KSystemTimeZones::local() ) );
 135 }
 136
 137 void KTimeZoneComboBox::setFloating( bool floating, const KDateTime::Spec &spec )
 138 {
 139   if ( floating ) {
 140     selectTimeSpec( KDateTime::ClockTime );
 141   } else {
 142     if ( spec.isValid() ) {
 143       selectTimeSpec( spec );
 144     } else {
 145       selectLocalTimeSpec();
 146     }
 147   }
 148 }