|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 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 Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial 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 "declarativechart.h"
|
|
|
#include <QPainter>
|
|
|
#include "declarativelineseries.h"
|
|
|
#include "declarativeareaseries.h"
|
|
|
#include "declarativebarseries.h"
|
|
|
#include "declarativepieseries.h"
|
|
|
#include "declarativesplineseries.h"
|
|
|
#include "declarativescatterseries.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
/*!
|
|
|
\qmlclass ChartView DeclarativeChart
|
|
|
|
|
|
ChartView element is the parent that is responsible for showing different chart series types.
|
|
|
|
|
|
The following QML shows how to create a simple line chart:
|
|
|
\snippet ../demos/qmlchart/qml/qmlchart/View2.qml 1
|
|
|
|
|
|
\beginfloatleft
|
|
|
\image demos_qmlchart2.png
|
|
|
\endfloat
|
|
|
\clearfloat
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty Theme ChartView::theme
|
|
|
Theme defines the visual appearance of the chart, including for example colors, fonts, line
|
|
|
widths and chart background.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty Animation ChartView::animation
|
|
|
Animation configuration of the chart. One of ChartView.NoAnimation, ChartView.GridAxisAnimations,
|
|
|
ChartView.SeriesAnimations or ChartView.AllAnimations.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty string ChartView::title
|
|
|
The title of the chart, shown on top of the chart.
|
|
|
\sa ChartView::titleColor
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty string ChartView::titleColor
|
|
|
The color of the title text.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty Axis ChartView::axisX
|
|
|
The x-axis of the chart.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty Axis ChartView::axisY
|
|
|
The default y-axis of the chart.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty Legend ChartView::legend
|
|
|
The legend of the chart. Legend lists all the series, pie slices and bar sets added on the chart.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty int ChartView::count
|
|
|
The count of series added to the chart.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty color ChartView::backgroundColor
|
|
|
The color of the chart's background. By default background color is defined by chart theme.
|
|
|
\sa ChartView::theme
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty bool ChartView::dropShadowEnabled
|
|
|
The chart's border drop shadow. Set to true to enable drop shadow.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod Axis ChartView::axisY(QAbstractSeries *series)
|
|
|
The y-axis of the series. This is the same as the default y-axis of the chart, unless you have
|
|
|
explicitly defined the series to have a non-default y-axis.
|
|
|
*/
|
|
|
|
|
|
DeclarativeChart::DeclarativeChart(QDeclarativeItem *parent)
|
|
|
: QDeclarativeItem(parent),
|
|
|
m_chart(new QChart(this))
|
|
|
{
|
|
|
setFlag(QGraphicsItem::ItemHasNoContents, false);
|
|
|
// m_chart->axisX()->setNiceNumbersEnabled(false);
|
|
|
}
|
|
|
|
|
|
DeclarativeChart::~DeclarativeChart()
|
|
|
{
|
|
|
delete m_chart;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::childEvent(QChildEvent *event)
|
|
|
{
|
|
|
if (event->type() == QEvent::ChildAdded) {
|
|
|
if (qobject_cast<QAbstractSeries *>(event->child())) {
|
|
|
m_chart->addSeries(qobject_cast<QAbstractSeries *>(event->child()));
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::componentComplete()
|
|
|
{
|
|
|
foreach(QObject *child, children()) {
|
|
|
if (qobject_cast<QAbstractSeries *>(child)) {
|
|
|
// qDebug() << "DeclarativeChart::componentComplete(), add: " << child;
|
|
|
// TODO: how about optional y-axis?
|
|
|
m_chart->addSeries(qobject_cast<QAbstractSeries *>(child));
|
|
|
}
|
|
|
}
|
|
|
QDeclarativeItem::componentComplete();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
|
|
|
{
|
|
|
// qDebug() << "DeclarativeChart::geometryChanged" << newGeometry.width() << newGeometry.height();
|
|
|
if (newGeometry.isValid()) {
|
|
|
if (newGeometry.width() > 0 && newGeometry.height() > 0) {
|
|
|
m_chart->resize(newGeometry.width(), newGeometry.height());
|
|
|
}
|
|
|
}
|
|
|
QDeclarativeItem::geometryChanged(newGeometry, oldGeometry);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
|
|
|
{
|
|
|
Q_UNUSED(option)
|
|
|
Q_UNUSED(widget)
|
|
|
|
|
|
// TODO: optimized?
|
|
|
painter->setRenderHint(QPainter::Antialiasing, true);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTheme(DeclarativeChart::Theme theme)
|
|
|
{
|
|
|
QChart::ChartTheme chartTheme = (QChart::ChartTheme) theme;
|
|
|
if (chartTheme != m_chart->theme()) {
|
|
|
m_chart->setTheme(chartTheme);
|
|
|
themeChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
DeclarativeChart::Theme DeclarativeChart::theme()
|
|
|
{
|
|
|
return (DeclarativeChart::Theme) m_chart->theme();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAnimationOptions(DeclarativeChart::Animation animations)
|
|
|
{
|
|
|
QChart::AnimationOption animationOptions = (QChart::AnimationOption) animations;
|
|
|
if (animationOptions != m_chart->animationOptions()) {
|
|
|
m_chart->setAnimationOptions(animationOptions);
|
|
|
animationOptionsChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
DeclarativeChart::Animation DeclarativeChart::animationOptions()
|
|
|
{
|
|
|
if (m_chart->animationOptions().testFlag(QChart::AllAnimations))
|
|
|
return DeclarativeChart::AllAnimations;
|
|
|
else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations))
|
|
|
return DeclarativeChart::GridAxisAnimations;
|
|
|
else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations))
|
|
|
return DeclarativeChart::SeriesAnimations;
|
|
|
else
|
|
|
return DeclarativeChart::NoAnimation;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTitle(QString title)
|
|
|
{
|
|
|
if (title != m_chart->title()) {
|
|
|
m_chart->setTitle(title);
|
|
|
emit titleChanged();
|
|
|
}
|
|
|
}
|
|
|
QString DeclarativeChart::title()
|
|
|
{
|
|
|
return m_chart->title();
|
|
|
}
|
|
|
|
|
|
QAxis *DeclarativeChart::axisX()
|
|
|
{
|
|
|
return m_chart->axisX();
|
|
|
}
|
|
|
|
|
|
QAxis *DeclarativeChart::axisY(QAbstractSeries *series)
|
|
|
{
|
|
|
return m_chart->axisY(series);
|
|
|
}
|
|
|
|
|
|
QLegend *DeclarativeChart::legend()
|
|
|
{
|
|
|
return m_chart->legend();
|
|
|
}
|
|
|
|
|
|
QVariantList DeclarativeChart::axisXLabels()
|
|
|
{
|
|
|
QVariantList labels;
|
|
|
foreach (qreal value, m_chart->axisX()->categories()->values()) {
|
|
|
labels.append(value);
|
|
|
labels.append(m_chart->axisX()->categories()->label(value));
|
|
|
}
|
|
|
return labels;
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setAxisXLabels(QVariantList list)
|
|
|
{
|
|
|
QVariant value(QVariant::Invalid);
|
|
|
foreach (QVariant element, list) {
|
|
|
if (value.isValid() && element.type() == QVariant::String) {
|
|
|
m_chart->axisX()->categories()->insert(value.toDouble(), element.toString());
|
|
|
value = QVariant(QVariant::Invalid);
|
|
|
} else {
|
|
|
if (element.canConvert(QVariant::Double))
|
|
|
value = element;
|
|
|
}
|
|
|
}
|
|
|
emit axisLabelsChanged();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setTitleColor(QColor color)
|
|
|
{
|
|
|
QBrush b = m_chart->titleBrush();
|
|
|
if (color != b.color()) {
|
|
|
b.setColor(color);
|
|
|
m_chart->setTitleBrush(b);
|
|
|
emit titleColorChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QColor DeclarativeChart::titleColor()
|
|
|
{
|
|
|
return m_chart->titleBrush().color();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setBackgroundColor(QColor color)
|
|
|
{
|
|
|
QBrush b = m_chart->backgroundBrush();
|
|
|
if (b.style() != Qt::SolidPattern || color != b.color()) {
|
|
|
b.setStyle(Qt::SolidPattern);
|
|
|
b.setColor(color);
|
|
|
m_chart->setBackgroundBrush(b);
|
|
|
emit backgroundColorChanged();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QColor DeclarativeChart::backgroundColor()
|
|
|
{
|
|
|
return m_chart->backgroundBrush().color();
|
|
|
}
|
|
|
|
|
|
int DeclarativeChart::count()
|
|
|
{
|
|
|
return m_chart->series().count();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::setDropShadowEnabled(bool enabled)
|
|
|
{
|
|
|
if (enabled != m_chart->isDropShadowEnabled()) {
|
|
|
m_chart->setDropShadowEnabled(enabled);
|
|
|
dropShadowEnabledChanged(enabled);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool DeclarativeChart::dropShadowEnabled()
|
|
|
{
|
|
|
return m_chart->isDropShadowEnabled();
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::zoom(qreal factor)
|
|
|
{
|
|
|
m_chart->zoom(factor);
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollLeft(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(QPointF(pixels, 0));
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollRight(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(QPointF(-pixels, 0));
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollUp(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(QPointF(0, pixels));
|
|
|
}
|
|
|
|
|
|
void DeclarativeChart::scrollDown(qreal pixels)
|
|
|
{
|
|
|
m_chart->scroll(QPointF(0, -pixels));
|
|
|
}
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::series(int index)
|
|
|
{
|
|
|
if (index < m_chart->series().count()) {
|
|
|
return m_chart->series().at(index);
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::series(QString seriesName)
|
|
|
{
|
|
|
foreach(QAbstractSeries *series, m_chart->series()) {
|
|
|
if (series->name() == seriesName)
|
|
|
return series;
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
QAbstractSeries *DeclarativeChart::createSeries(DeclarativeChart::SeriesType type, QString name)
|
|
|
{
|
|
|
QAbstractSeries *series = 0;
|
|
|
switch (type) {
|
|
|
case DeclarativeChart::SeriesTypeLine:
|
|
|
series = new DeclarativeLineSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeArea:
|
|
|
series = new DeclarativeAreaSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeBar:
|
|
|
series = new DeclarativeBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeStackedBar:
|
|
|
// TODO
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypePercentBar:
|
|
|
// TODO
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeGroupedBar:
|
|
|
series = new DeclarativeGroupedBarSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypePie:
|
|
|
series = new DeclarativePieSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeScatter:
|
|
|
series = new DeclarativeScatterSeries();
|
|
|
break;
|
|
|
case DeclarativeChart::SeriesTypeSpline:
|
|
|
series = new DeclarativeSplineSeries();
|
|
|
break;
|
|
|
default:
|
|
|
qWarning() << "Illegal series type";
|
|
|
}
|
|
|
series->setName(name);
|
|
|
m_chart->addSeries(series);
|
|
|
return series;
|
|
|
}
|
|
|
|
|
|
#include "moc_declarativechart.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
