diff options
Diffstat (limited to 'src/calendar/qquickweeknumbermodel.cpp')
-rw-r--r-- | src/calendar/qquickweeknumbermodel.cpp | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/calendar/qquickweeknumbermodel.cpp b/src/calendar/qquickweeknumbermodel.cpp new file mode 100644 index 00000000..34d66202 --- /dev/null +++ b/src/calendar/qquickweeknumbermodel.cpp @@ -0,0 +1,182 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the Qt Quick Calendar module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later as published by the Free +** Software Foundation and appearing in the file LICENSE.GPL included in +** the packaging of this file. Please review the following information to +** ensure the GNU General Public License version 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qquickweeknumbermodel_p.h" + +#include <QtCore/private/qabstractitemmodel_p.h> +#include <QtCore/qdatetime.h> + +QT_BEGIN_NAMESPACE + +class QQuickWeekNumberModelPrivate : public QAbstractItemModelPrivate +{ + Q_DECLARE_PUBLIC(QQuickWeekNumberModel) + +public: + QQuickWeekNumberModelPrivate() + { + QDate date = QDate::currentDate(); + month = date.month(); + year = date.year(); + first = calculateFirst(month, year, locale); + } + + void init(int month, int year, const QLocale &locale = QLocale()); + static int calculateFirst(int month, int year, const QLocale &locale); + + int month; + int year; + int first; + QLocale locale; +}; + +void QQuickWeekNumberModelPrivate::init(int m, int y, const QLocale &l) +{ + Q_Q(QQuickWeekNumberModel); + if (m == month && y == year && l.firstDayOfWeek() == locale.firstDayOfWeek()) + return; + + first = calculateFirst(m, y, l); + + emit q->dataChanged(q->index(0, 0), q->index(5, 0)); +} + +int QQuickWeekNumberModelPrivate::calculateFirst(int month, int year, const QLocale &locale) +{ + // The actual first (1st) day of the month. + QDate firstDayOfMonthDate(year, month, 1); + int difference = ((firstDayOfMonthDate.dayOfWeek() - locale.firstDayOfWeek()) + 7) % 7; + // The first day to display should never be the 1st of the month, as we want some days from + // the previous month to be visible. + if (difference == 0) + difference += 7; + return firstDayOfMonthDate.addDays(-difference).weekNumber(); +} + +QQuickWeekNumberModel::QQuickWeekNumberModel(QObject *parent) : + QAbstractListModel(*(new QQuickWeekNumberModelPrivate), parent) +{ +} + +int QQuickWeekNumberModel::month() const +{ + Q_D(const QQuickWeekNumberModel); + return d->month; +} + +void QQuickWeekNumberModel::setMonth(int month) +{ + Q_D(QQuickWeekNumberModel); + if (d->month != month) { + d->init(month, d->year, d->locale); + d->month = month; + emit monthChanged(); + } +} + +int QQuickWeekNumberModel::year() const +{ + Q_D(const QQuickWeekNumberModel); + return d->year; +} + +void QQuickWeekNumberModel::setYear(int year) +{ + Q_D(QQuickWeekNumberModel); + if (d->year != year) { + d->init(d->month, year, d->locale); + d->year = year; + emit yearChanged(); + } +} + +QLocale QQuickWeekNumberModel::locale() const +{ + Q_D(const QQuickWeekNumberModel); + return d->locale; +} + +void QQuickWeekNumberModel::setLocale(const QLocale &locale) +{ + Q_D(QQuickWeekNumberModel); + if (d->locale != locale) { + d->init(d->month, d->year, locale); + d->locale = locale; + emit localeChanged(); + } +} + +int QQuickWeekNumberModel::weekNumberAt(int index) const +{ + Q_D(const QQuickWeekNumberModel); + if (index < 0 || index > 5) + return -1; + return d->first + index; +} + +int QQuickWeekNumberModel::indexOf(int weekNumber) const +{ + Q_D(const QQuickWeekNumberModel); + if (weekNumber < d->first || weekNumber > d->first + 6) + return -1; + return weekNumber - d->first; +} + +QVariant QQuickWeekNumberModel::data(const QModelIndex &index, int role) const +{ + if (role == WeekNumberRole) { + int weekNumber = weekNumberAt(index.row()); + if (weekNumber != -1) + return weekNumber; + } + return QVariant(); +} + +int QQuickWeekNumberModel::rowCount(const QModelIndex &parent) const +{ + if (parent.isValid()) + return 0; + return 6; +} + +QHash<int, QByteArray> QQuickWeekNumberModel::roleNames() const +{ + QHash<int, QByteArray> roles; + roles[WeekNumberRole] = QByteArrayLiteral("weekNumber"); + return roles; +} + +QT_END_NAMESPACE |