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Fix default axis for DeclarativeChart...
Fix default axis for DeclarativeChart The range for the axis needs to be set if no axis has been defined for Chart. Change-Id: I036fd1264b53b150bc9aaf1c1571f4d1dbefbc81 Task-number: QTRD-3482 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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r2789:bcb78508ec67
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declarativecategoryaxis.cpp
112 lines | 3.4 KiB | text/x-c | CppLexer
/ src / chartsqml2 / declarativecategoryaxis.cpp
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include "declarativecategoryaxis.h"
#include <QtCore/QDebug>
QT_CHARTS_BEGIN_NAMESPACE
/*!
\qmltype CategoryRange
\inqmlmodule QtCharts
\brief With CategoryRange you can define a range used by a CategoryAxis.
\sa CategoryAxis
*/
DeclarativeCategoryRange::DeclarativeCategoryRange(QObject *parent) :
QObject(parent),
m_endValue(0),
m_label(QString())
{
}
DeclarativeCategoryAxis::DeclarativeCategoryAxis(QObject *parent) :
QCategoryAxis(parent)
{
}
void DeclarativeCategoryAxis::classBegin()
{
}
void DeclarativeCategoryAxis::componentComplete()
{
QList<QPair<QString, qreal> > ranges;
foreach (QObject *child, children()) {
if (qobject_cast<DeclarativeCategoryRange *>(child)) {
DeclarativeCategoryRange *range = qobject_cast<DeclarativeCategoryRange *>(child);
ranges.append(QPair<QString, qreal>(range->label(), range->endValue()));
}
}
// Sort and append the range objects according to end value
qSort(ranges.begin(), ranges.end(), endValueLessThan);
for (int i(0); i < ranges.count(); i++)
append(ranges.at(i).first, ranges.at(i).second);
}
bool DeclarativeCategoryAxis::endValueLessThan(const QPair<QString, qreal> &value1, const QPair<QString, qreal> &value2)
{
return value1.second < value2.second;
}
QQmlListProperty<QObject> DeclarativeCategoryAxis::axisChildren()
{
return QQmlListProperty<QObject>(this, 0, &DeclarativeCategoryAxis::appendAxisChildren ,0,0,0);
}
void DeclarativeCategoryAxis::append(const QString &label, qreal categoryEndValue)
{
QCategoryAxis::append(label, categoryEndValue);
}
void DeclarativeCategoryAxis::remove(const QString &label)
{
QCategoryAxis::remove(label);
}
void DeclarativeCategoryAxis::replace(const QString &oldLabel, const QString &newLabel)
{
QCategoryAxis::replaceLabel(oldLabel, newLabel);
}
void DeclarativeCategoryAxis::appendAxisChildren(QQmlListProperty<QObject> *list, QObject *element)
{
// Empty implementation; the children are parsed in componentComplete instead
Q_UNUSED(list)
Q_UNUSED(element)
}
DeclarativeCategoryAxis::AxisLabelsPosition DeclarativeCategoryAxis::labelsPosition() const
{
return (DeclarativeCategoryAxis::AxisLabelsPosition) QCategoryAxis::labelsPosition();
}
void DeclarativeCategoryAxis::setLabelsPosition(AxisLabelsPosition position)
{
QCategoryAxis::AxisLabelsPosition labelsPosition = (QCategoryAxis::AxisLabelsPosition) position;
if (labelsPosition != m_labelsPosition) {
QCategoryAxis::setLabelsPosition(labelsPosition);
emit labelsPositionChanged(position);
}
}
#include "moc_declarativecategoryaxis.cpp"
QT_CHARTS_END_NAMESPACE