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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "datetimeaxislabel_p.h"
#include <QtCore/qdatetime.h>
QT_CHARTS_BEGIN_NAMESPACE
DateTimeAxisLabel::DateTimeAxisLabel(QGraphicsItem *parent) :
EditableAxisLabel(parent)
{
}
void DateTimeAxisLabel::finishEditing()
{
QDateTime oldDateTime = m_dateTime;
QDateTime newDateTime = QDateTime::fromString(document()->toPlainText(), m_format);
if (newDateTime.isValid() && newDateTime != m_dateTime) {
m_dateTime = newDateTime;
emit dateTimeChanged(oldDateTime, newDateTime);
} else {
document()->setHtml(m_htmlBeforeEdit);
}
}
QDateTime DateTimeAxisLabel::value() const
{
return m_dateTime;
}
void DateTimeAxisLabel::setValue(const QDateTime &value)
{
setTextInteractionFlags(Qt::NoTextInteraction);
clearFocus();
m_dateTime = value;
}
void DateTimeAxisLabel::resetBeforeEditValue()
{
m_dateTime = m_dateTimeBeforeEdit;
}
void DateTimeAxisLabel::setFormat(const QString &format)
{
m_format = format;
// Labels should be edited as a single line regardless to their
// format because enter triggers applying the current text.
m_format.replace(QChar::fromLatin1('\n'), QChar::fromLatin1(' '));
}
void DateTimeAxisLabel::setInitialEditValue()
{
m_dateTimeBeforeEdit = m_dateTime;
setHtml(m_dateTime.toString(m_format));
}
void DateTimeAxisLabel::keyPressEvent(QKeyEvent *event)
{
if (isEditEndingKeyPress(event)) {
// prevent further event processing with a return
// because the focusOutEvent could have triggered
// a range change which might have invalidated the current label
return;
}
QGraphicsTextItem::keyPressEvent(event);
}
QT_CHARTS_END_NAMESPACE
#include "moc_datetimeaxislabel_p.cpp"
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