##// END OF EJS Templates
Fix zooming...
Fix zooming If chart is zoomed only horizontally or vertically then the range for the other direction should not change. This is now checked by comparing the minimum and maximum values to the axis span. Change-Id: Icb5e14fc41afcedd7f75e60ca3ad6f699b053ae7 Task-number: QTRD-3399 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

File last commit:

r2714:929d943d1aab
r2728:2e341eff31af
Show More
declarativecategoryaxis.cpp
100 lines | 2.9 KiB | text/x-c | CppLexer
/ src / chartsqml2 / declarativecategoryaxis.cpp
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#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)
}
#include "moc_declarativecategoryaxis.cpp"
QT_CHARTS_END_NAMESPACE