incidenceeditor-ng/src/ktimezonecombobox.cpp

   1 /*
   2   Copyright (C) 2007 Bruno Virlet <bruno.virlet@gmail.com>
   3   Copyright 2008-2009,2013 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 <KCalCore/ICalTimeZones>
  23
  24 #include <KLocalizedString>
  25 #include <KSystemTimeZone>
  26
  27 using namespace IncidenceEditorNG;
  28
  29 class Q_DECL_HIDDEN KTimeZoneComboBox::Private
  30 {
  31 public:
  32     Private(KTimeZoneComboBox *parent)
  33         : mParent(parent), mAdditionalZones(0)
  34     {}
  35
  36     void fillComboBox();
  37     KTimeZoneComboBox *const mParent;
  38     QStringList mZones;
  39     const KCalCore::ICalTimeZones *mAdditionalZones;
  40 };
  41
  42 void KTimeZoneComboBox::Private::fillComboBox()
  43 {
  44     mParent->clear();
  45     mZones.clear();
  46
  47     // Read all system time zones
  48     const KTimeZones::ZoneMap timezones = KSystemTimeZones::zones();
  49     for (KTimeZones::ZoneMap::ConstIterator it = timezones.begin(); it != timezones.end(); ++it) {
  50         mZones.append(it.key().toUtf8());
  51     }
  52     mZones.sort();
  53
  54     // Prepend the list of additional timezones
  55     if (mAdditionalZones) {
  56         const KCalCore::ICalTimeZones::ZoneMap calzones = mAdditionalZones->zones();
  57         for (KCalCore::ICalTimeZones::ZoneMap::ConstIterator it = calzones.begin();
  58                 it != calzones.end(); ++it) {
  59             mZones.prepend(it.key().toUtf8());
  60         }
  61     }
  62     // Prepend Local, UTC and Floating, for convenience
  63     mZones.prepend(QStringLiteral("UTC"));        // do not use i18n here  index=2
  64     mZones.prepend(QStringLiteral("Floating"));   // do not use i18n here  index=1
  65     mZones.prepend(KSystemTimeZones::local().name());    // index=0
  66
  67     // Put translated zones into the combobox
  68     foreach (const QString &z, mZones) {
  69         mParent->addItem(i18n(z.toUtf8()).replace('_', ' '));
  70     }
  71 }
  72
  73 KTimeZoneComboBox::KTimeZoneComboBox(QWidget *parent)
  74     : KComboBox(parent), d(new KTimeZoneComboBox::Private(this))
  75 {
  76     d->fillComboBox();
  77 }
  78
  79 KTimeZoneComboBox::KTimeZoneComboBox(const KCalCore::ICalTimeZones *zones, QWidget *parent)
  80     : KComboBox(parent), d(new KTimeZoneComboBox::Private(this))
  81 {
  82     d->mAdditionalZones = zones;
  83     d->fillComboBox();
  84 }
  85
  86 void KTimeZoneComboBox::setAdditionalTimeZones(const KCalCore::ICalTimeZones *zones)
  87 {
  88     d->mAdditionalZones = zones;
  89     d->fillComboBox();
  90 }
  91
  92 KTimeZoneComboBox::~KTimeZoneComboBox()
  93 {
  94     delete d;
  95 }
  96
  97 void KTimeZoneComboBox::selectTimeSpec(const KDateTime::Spec &spec)
  98 {
  99     int nCurrentlySet = -1;
 100
 101     int i = 0;
 102     foreach (const QString &z, d->mZones) {
 103         if (z == spec.timeZone().name()) {
 104             nCurrentlySet = i;
 105             break;
 106         }
 107         ++i;
 108     }
 109
 110     if (nCurrentlySet == -1) {
 111         if (spec.isUtc()) {
 112             setCurrentIndex(2);   // UTC
 113         } else if (spec.isLocalZone()) {
 114             setCurrentIndex(0);   // Local
 115         } else {
 116             setCurrentIndex(1);   // Floating event
 117         }
 118     } else {
 119         setCurrentIndex(nCurrentlySet);
 120     }
 121 }
 122
 123 KDateTime::Spec KTimeZoneComboBox::selectedTimeSpec() const
 124 {
 125     KDateTime::Spec spec;
 126     if (currentIndex() >= 0) {
 127         if (currentIndex() == 0) {   // Local
 128             spec = KDateTime::Spec(KDateTime::LocalZone);
 129         } else if (currentIndex() == 1) {   // Floating event
 130             spec = KDateTime::Spec(KDateTime::ClockTime);
 131         } else if (currentIndex() == 2) {   // UTC
 132             spec.setType(KDateTime::UTC);
 133         } else {
 134             const KTimeZone systemTz = KSystemTimeZones::zone(d->mZones[currentIndex()]);
 135             // If it's not valid, then it's an additional Tz
 136             if (systemTz.isValid()) {
 137                 spec.setType(systemTz);
 138             } else {
 139                 const KCalCore::ICalTimeZone additionalTz =
 140                     d->mAdditionalZones->zone(d->mZones[currentIndex()]);
 141                 spec.setType(additionalTz);
 142             }
 143         }
 144     }
 145
 146     return spec;
 147 }
 148
 149 void KTimeZoneComboBox::selectLocalTimeSpec()
 150 {
 151     selectTimeSpec(KDateTime::Spec(KSystemTimeZones::local()));
 152 }
 153
 154 void KTimeZoneComboBox::setFloating(bool floating, const KDateTime::Spec &spec)
 155 {
 156     if (floating) {
 157         selectTimeSpec(KDateTime::Spec(KDateTime::ClockTime));
 158     } else {
 159         if (spec.isValid()) {
 160             selectTimeSpec(spec);
 161         } else {
 162             selectLocalTimeSpec();
 163         }
 164     }
 165 }