kdeui

ktimezonewidget.cpp

00001 /*
00002     Copyright (C) 2005, S.R.Haque <srhaque@iee.org>.
00003     This file is part of the KDE project
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License version 2, as published by the Free Software Foundation.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #include <kdialog.h>
00021 #include <kdebug.h>
00022 #include <kfile.h>
00023 #include <klistview.h>
00024 #include <klocale.h>
00025 #include <kstandarddirs.h>
00026 #include <ktimezones.h>
00027 #include <ktimezonewidget.h>
00028 #include <qpixmap.h>
00029 #include <time.h>
00030 
00031 #define COLUMN_CITY 0
00032 #define COLUMN_REGION 1
00033 #define COLUMN_COMMENT 2
00034 #define COLUMN_ZONE 3
00035 
00036 KTimezoneWidget::KTimezoneWidget(QWidget *parent, const char *name, KTimezones *db) :
00037     KListView(parent, name),
00038     d(0)
00039 {
00040     // If the user did not provide a timezone database, we'll use the system default.
00041     bool userDb = (db != 0);
00042     if (!userDb)
00043         db = new KTimezones();
00044 
00045     addColumn(i18n("Area"));
00046     addColumn(i18n("Region"));
00047     addColumn(i18n("Comment"));
00048 
00049     const KTimezones::ZoneMap zones = db->allZones();
00050     for (KTimezones::ZoneMap::ConstIterator it = zones.begin(); it != zones.end(); ++it)
00051     {
00052         const KTimezone *zone = it.data();
00053         QString tzName = zone->name();
00054         QString comment = zone->comment();
00055         if (!comment.isEmpty())
00056             comment = i18n(comment.utf8());
00057 
00058         // Convert:
00059         //
00060         //  "Europe/London", "GB" -> "London", "Europe/GB".
00061         //  "UTC",           ""   -> "UTC",    "".
00062         QStringList continentCity = QStringList::split("/", displayName(zone));
00063         QListViewItem *listItem = new QListViewItem(this, continentCity[continentCity.count() - 1]);
00064         continentCity[continentCity.count() - 1] = zone->countryCode();
00065         listItem->setText(COLUMN_REGION, continentCity.join("/"));
00066         listItem->setText(COLUMN_COMMENT, comment);
00067         listItem->setText(COLUMN_ZONE, tzName); /* store complete path in ListView */
00068 
00069         // Locate the flag from /l10n/%1/flag.png.
00070         QString flag = locate("locale", QString("l10n/%1/flag.png").arg(zone->countryCode().lower()));
00071         if (QFile::exists(flag))
00072             listItem->setPixmap(COLUMN_REGION, QPixmap(flag));
00073     }
00074 
00075     if (!userDb)
00076         delete db;
00077 
00078 }
00079 
00080 KTimezoneWidget::~KTimezoneWidget()
00081 {
00082     // FIXME when needed:
00083     // delete d;
00084 }
00085 
00086 QString KTimezoneWidget::displayName(const KTimezone *zone)
00087 {
00088     return i18n(zone->name().utf8()).replace("_", " ");
00089 }
00090 
00091 QStringList KTimezoneWidget::selection() const
00092 {
00093     QStringList selection;
00094 
00095     // Loop through all entries.
00096     QListViewItem *listItem = firstChild();
00097     while (listItem)
00098     {
00099         if (listItem->isSelected())
00100         {
00101             selection.append(listItem->text(COLUMN_ZONE));
00102         }
00103         listItem = listItem->nextSibling();
00104     }
00105     return selection;
00106 }
00107 
00108 void KTimezoneWidget::setSelected(const QString &zone, bool selected)
00109 {
00110     bool found = false;
00111 
00112     // Loop through all entries.
00113     QListViewItem *listItem = firstChild();
00114     while (listItem)
00115     {
00116         if (listItem->text(COLUMN_ZONE) == zone)
00117         {
00118             KListView::setSelected(listItem, selected);
00119 
00120             // Ensure the selected item is visible as appropriate.
00121             listItem = selectedItem();
00122             if (listItem)
00123                 ensureItemVisible(listItem);
00124             found = true;
00125             break;
00126         }
00127         listItem = listItem->nextSibling();
00128     }
00129     if (!found)
00130         kdDebug() << "No such zone: " << zone << endl;
00131 }
00132 
00133 #include "ktimezonewidget.moc"
kdeui

ktimezonewidget.cpp

kdeui

API Reference
