| /**************************************************************************** |
| ** |
| ** 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 |
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| ** |
| ** 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 |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| #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" |