qt5base-lts/tests/manual/qlocale/dateformats.cpp

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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
** of its contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
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**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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****************************************************************************/
#include "dateformats.h"
DateFormatsWidget::DateFormatsWidget()
{
scrollArea = new QScrollArea;
scrollAreaWidget = new QWidget;
scrollArea->setWidget(scrollAreaWidget);
scrollArea->setWidgetResizable(true);
layout = new QGridLayout(scrollAreaWidget);
QVBoxLayout *l = new QVBoxLayout(this);
l->addWidget(scrollArea);
shortDateFormat = addItem("Date format (short):");
longDateFormat = addItem("Date format (long):");
shortTimeFormat = addItem("Time format (short):");
longTimeFormat = addItem("Time format (long):");
shortDateTimeFormat = addItem("DateTime format (short):");
longDateTimeFormat = addItem("DateTime format (long):");
amText = addItem("Before noon:");
pmText = addItem("After noon:");
firstDayOfWeek = addItem("First day of week:");
monthNamesShort = new QComboBox;
monthNamesLong = new QComboBox;
standaloneMonthNamesShort = new QComboBox;
standaloneMonthNamesLong = new QComboBox;
dayNamesShort = new QComboBox;
dayNamesLong = new QComboBox;
standaloneDayNamesShort = new QComboBox;
standaloneDayNamesLong = new QComboBox;
int row = layout->rowCount();
layout->addWidget(new QLabel("Month names [short/long]:"), row, 0);
layout->addWidget(monthNamesShort, row, 1);
layout->addWidget(monthNamesLong, row, 2);
row = layout->rowCount();
layout->addWidget(new QLabel("Standalone month names [short/long]:"), row, 0);
layout->addWidget(standaloneMonthNamesShort, row, 1);
layout->addWidget(standaloneMonthNamesLong, row, 2);
row = layout->rowCount();
layout->addWidget(new QLabel("Day names [short/long]:"), row, 0);
layout->addWidget(dayNamesShort, row, 1);
layout->addWidget(dayNamesLong, row, 2);
row = layout->rowCount();
layout->addWidget(new QLabel("Standalone day names [short/long]:"), row, 0);
layout->addWidget(standaloneDayNamesShort, row, 1);
layout->addWidget(standaloneDayNamesLong, row, 2);
}
QString toString(Qt::DayOfWeek dow)
{
static const char *names[] = {
"Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"
};
return QString::fromLatin1(names[dow-1]);
}
void DateFormatsWidget::localeChanged(QLocale locale)
{
setLocale(locale);
QDateTime now = QDateTime::currentDateTime();
shortDateFormat->setText(locale.toString(now.date(), QLocale::ShortFormat));
shortDateFormat->setToolTip(locale.dateFormat(QLocale::ShortFormat));
longDateFormat->setText(locale.toString(now.date(), QLocale::LongFormat));
longDateFormat->setToolTip(locale.dateFormat(QLocale::LongFormat));
shortTimeFormat->setText(locale.toString(now.time(), QLocale::ShortFormat));
shortTimeFormat->setToolTip(locale.timeFormat(QLocale::ShortFormat));
longTimeFormat->setText(locale.toString(now.time(), QLocale::LongFormat));
longTimeFormat->setToolTip(locale.timeFormat(QLocale::LongFormat));
shortDateTimeFormat->setText(locale.toString(now, QLocale::ShortFormat));
shortDateTimeFormat->setToolTip(locale.dateTimeFormat(QLocale::ShortFormat));
longDateTimeFormat->setText(locale.toString(now, QLocale::LongFormat));
longDateTimeFormat->setToolTip(locale.dateTimeFormat(QLocale::LongFormat));
amText->setText(locale.amText());
pmText->setText(locale.pmText());
firstDayOfWeek->setText(toString(locale.firstDayOfWeek()));
int mns = monthNamesShort->currentIndex();
int mnl = monthNamesLong->currentIndex();
int smns = standaloneMonthNamesShort->currentIndex();
int smnl = standaloneMonthNamesLong->currentIndex();
int dnl = dayNamesLong->currentIndex();
int dns = dayNamesShort->currentIndex();
int sdnl = standaloneDayNamesLong->currentIndex();
int sdns = standaloneDayNamesShort->currentIndex();
monthNamesShort->clear();
monthNamesLong->clear();
standaloneMonthNamesShort->clear();
standaloneMonthNamesLong->clear();
dayNamesLong->clear();
dayNamesShort->clear();
standaloneDayNamesLong->clear();
standaloneDayNamesShort->clear();
for (int i = 1; i <= 12; ++i)
monthNamesShort->addItem(locale.monthName(i, QLocale::ShortFormat));
monthNamesShort->setCurrentIndex(mns >= 0 ? mns : 0);
for (int i = 1; i <= 12; ++i)
monthNamesLong->addItem(locale.monthName(i, QLocale::LongFormat));
monthNamesLong->setCurrentIndex(mnl >= 0 ? mnl : 0);
for (int i = 1; i <= 12; ++i)
standaloneMonthNamesShort->addItem(locale.standaloneMonthName(i, QLocale::ShortFormat));
standaloneMonthNamesShort->setCurrentIndex(smns >= 0 ? smns : 0);
for (int i = 1; i <= 12; ++i)
standaloneMonthNamesLong->addItem(locale.standaloneMonthName(i, QLocale::LongFormat));
standaloneMonthNamesLong->setCurrentIndex(smnl >= 0 ? smnl : 0);
for (int i = 1; i <= 7; ++i)
dayNamesLong->addItem(locale.dayName(i, QLocale::LongFormat));
dayNamesLong->setCurrentIndex(dnl >= 0 ? dnl : 0);
for (int i = 1; i <= 7; ++i)
dayNamesShort->addItem(locale.dayName(i, QLocale::ShortFormat));
dayNamesShort->setCurrentIndex(dns >= 0 ? dns : 0);
for (int i = 1; i <= 7; ++i)
standaloneDayNamesLong->addItem(locale.standaloneDayName(i, QLocale::LongFormat));
standaloneDayNamesLong->setCurrentIndex(sdnl >= 0 ? sdnl : 0);
for (int i = 1; i <= 7; ++i)
standaloneDayNamesShort->addItem(locale.standaloneDayName(i, QLocale::ShortFormat));
standaloneDayNamesShort->setCurrentIndex(sdns >= 0 ? sdns : 0);
}
void DateFormatsWidget::addItem(const QString &label, QWidget *w)
{
QLabel *lbl = new QLabel(label);
int row = layout->rowCount();
layout->addWidget(lbl, row, 0);
layout->addWidget(w, row, 1, 1, 2);
}
QLineEdit *DateFormatsWidget::addItem(const QString &label)
{
QLineEdit *le = new QLineEdit;
le->setReadOnly(true);
addItem(label, le);
return le;
}