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Add qml Font properties & docs
Add qml Font properties & docs
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declarativechart.cpp
392 lines | 10.3 KiB | text/x-c | CppLexer
/ plugins / declarative / declarativechart.cpp
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Jani Honkonen
Add/modify license headers
 r830 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Jani Honkonen
First draft of project structure
 r1 #include "declarativechart.h"
Jani Honkonen
Removing garbage from declarativechart
 r660 #include <QPainter>
Tero Ahola
QML demo with dynamic data
 r1240 #include "declarativelineseries.h"
#include "declarativeareaseries.h"
#include "declarativebarseries.h"
#include "declarativepieseries.h"
#include "declarativesplineseries.h"
#include "declarativescatterseries.h"
Jani Honkonen
First draft of project structure
 r1
Tero Ahola
Proof-of-concept for QML api...
 r120 QTCOMMERCIALCHART_BEGIN_NAMESPACE
Tero Ahola
Began documenting the QML api
 r1443 /*!
\qmlclass ChartView DeclarativeChart
ChartView element is the parent that is responsible for showing different chart series types.
Tero Ahola
Documenting xy-series
 r1491 The following QML shows how to create a simple chart with one pie series:
\snippet ../examples/qmlpiechart/qml/qmlpiechart/main.qml 1
\snippet ../examples/qmlpiechart/qml/qmlpiechart/main.qml 2
\snippet ../examples/qmlpiechart/qml/qmlpiechart/main.qml 3
Tero Ahola
Began documenting the QML api
 r1443
\beginfloatleft
Tero Ahola
Documenting xy-series
 r1491 \image examples_qmlpiechart.png
Tero Ahola
Began documenting the QML api
 r1443 \endfloat
\clearfloat
*/
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 /*!
\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.
*/
Jani Honkonen
Add qml Font properties & docs
 r1517 /*!
\qmlproperty Font ChartView::titleFont
The title font of the chart
See the \l {Font} {QML Font Element} for detailed documentation.
*/
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 /*!
\qmlproperty string ChartView::title
The title of the chart, shown on top of the chart.
Tero Ahola
Fixed QML ChartView background color property
 r1473 \sa ChartView::titleColor
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 */
/*!
\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.
*/
Tero Ahola
Fixed QML ChartView background color property
 r1473 /*!
\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.
*/
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 /*!
\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.
*/
Jani Honkonen
First draft of project structure
 r1 DeclarativeChart::DeclarativeChart(QDeclarativeItem *parent)
Tero Ahola
Proof-of-concept for QML api...
 r120 : QDeclarativeItem(parent),
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 m_chart(new QChart(this))
Jani Honkonen
First draft of project structure
 r1 {
setFlag(QGraphicsItem::ItemHasNoContents, false);
Tero Ahola
XY model mappers to QML api
 r1278 // m_chart->axisX()->setNiceNumbersEnabled(false);
Jani Honkonen
First draft of project structure
 r1 }
Tero Ahola
d
 r722 DeclarativeChart::~DeclarativeChart()
{
delete m_chart;
}
Tero Ahola
Simplified declarative implementation
 r1117 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)) {
Tero Ahola
App for demonstrating QML customization apis
 r1259 // qDebug() << "DeclarativeChart::componentComplete(), add: " << child;
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 // TODO: how about optional y-axis?
Tero Ahola
Simplified declarative implementation
 r1117 m_chart->addSeries(qobject_cast<QAbstractSeries *>(child));
}
}
QDeclarativeItem::componentComplete();
}
Tero Ahola
Proof-of-concept for QML api...
 r120 void DeclarativeChart::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
Jani Honkonen
First draft of project structure
 r1 {
Tero Ahola
Draft for QML demo that shows weather forecasts
 r1139 // qDebug() << "DeclarativeChart::geometryChanged" << newGeometry.width() << newGeometry.height();
Tero Ahola
Set margins to 30 on QML impl
 r200 if (newGeometry.isValid()) {
if (newGeometry.width() > 0 && newGeometry.height() > 0) {
Tero Ahola
Fixed build issue with margin related funcs
 r642 m_chart->resize(newGeometry.width(), newGeometry.height());
Tero Ahola
Set margins to 30 on QML impl
 r200 }
}
Tero Ahola
Added test app for testing QML properties
 r1298 QDeclarativeItem::geometryChanged(newGeometry, oldGeometry);
Jani Honkonen
First draft of project structure
 r1 }
Tero Ahola
Added QML api for bar series
 r646 void DeclarativeChart::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(option)
Q_UNUSED(widget)
// TODO: optimized?
painter->setRenderHint(QPainter::Antialiasing, true);
}
Tero Ahola
QML demo with dynamic data
 r1240 void DeclarativeChart::setTheme(DeclarativeChart::Theme theme)
Tero Ahola
Added animation configuration to QML chart api
 r1094 {
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 QChart::ChartTheme chartTheme = (QChart::ChartTheme) theme;
Tero Ahola
color and borderColor properties to XY charts; removed unnecessary signals
 r1481 if (chartTheme != m_chart->theme())
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 m_chart->setTheme(chartTheme);
Tero Ahola
Added animation configuration to QML chart api
 r1094 }
Tero Ahola
QML demo with dynamic data
 r1240 DeclarativeChart::Theme DeclarativeChart::theme()
{
return (DeclarativeChart::Theme) m_chart->theme();
}
void DeclarativeChart::setAnimationOptions(DeclarativeChart::Animation animations)
{
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 QChart::AnimationOption animationOptions = (QChart::AnimationOption) animations;
Tero Ahola
color and borderColor properties to XY charts; removed unnecessary signals
 r1481 if (animationOptions != m_chart->animationOptions())
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 m_chart->setAnimationOptions(animationOptions);
Tero Ahola
QML demo with dynamic data
 r1240 }
DeclarativeChart::Animation DeclarativeChart::animationOptions()
Tero Ahola
Added animation configuration to QML chart api
 r1094 {
if (m_chart->animationOptions().testFlag(QChart::AllAnimations))
Tero Ahola
QML demo with dynamic data
 r1240 return DeclarativeChart::AllAnimations;
Tero Ahola
Added animation configuration to QML chart api
 r1094 else if (m_chart->animationOptions().testFlag(QChart::GridAxisAnimations))
Tero Ahola
QML demo with dynamic data
 r1240 return DeclarativeChart::GridAxisAnimations;
Tero Ahola
Added animation configuration to QML chart api
 r1094 else if (m_chart->animationOptions().testFlag(QChart::SeriesAnimations))
Tero Ahola
QML demo with dynamic data
 r1240 return DeclarativeChart::SeriesAnimations;
Tero Ahola
Added animation configuration to QML chart api
 r1094 else
Tero Ahola
QML demo with dynamic data
 r1240 return DeclarativeChart::NoAnimation;
Tero Ahola
Added animation configuration to QML chart api
 r1094 }
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 void DeclarativeChart::setTitle(QString title)
{
Tero Ahola
color and borderColor properties to XY charts; removed unnecessary signals
 r1481 if (title != m_chart->title())
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 m_chart->setTitle(title);
Tero Ahola
Legend to QML API
 r1095 }
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 QString DeclarativeChart::title()
Tero Ahola
Legend to QML API
 r1095 {
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 return m_chart->title();
Tero Ahola
Legend to QML API
 r1095 }
Tero Ahola
Draft for QML demo that shows weather forecasts
 r1139 QAxis *DeclarativeChart::axisX()
{
return m_chart->axisX();
}
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 QAxis *DeclarativeChart::axisY(QAbstractSeries *series)
Tero Ahola
Draft for QML demo that shows weather forecasts
 r1139 {
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 return m_chart->axisY(series);
Tero Ahola
Draft for QML demo that shows weather forecasts
 r1139 }
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 QLegend *DeclarativeChart::legend()
{
return m_chart->legend();
}
Tero Ahola
Initial support for x-axis labels in QML api
 r1157 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;
}
}
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 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();
}
}
Jani Honkonen
Add qml Font properties & docs
 r1517 QFont DeclarativeChart::titleFont() const
{
return m_chart->titleFont();
}
void DeclarativeChart::setTitleFont(const QFont& font)
{
m_chart->setTitleFont(font);
}
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 QColor DeclarativeChart::titleColor()
{
return m_chart->titleBrush().color();
}
void DeclarativeChart::setBackgroundColor(QColor color)
{
QBrush b = m_chart->backgroundBrush();
Tero Ahola
Fixed QML ChartView background color property
 r1473 if (b.style() != Qt::SolidPattern || color != b.color()) {
b.setStyle(Qt::SolidPattern);
Tero Ahola
Qml ChartView properties; legend to use Qt alignments
 r1357 b.setColor(color);
m_chart->setBackgroundBrush(b);
emit backgroundColorChanged();
}
}
QColor DeclarativeChart::backgroundColor()
{
return m_chart->backgroundBrush().color();
Tero Ahola
Initial support for x-axis labels in QML api
 r1157 }
Tero Ahola
QML demo with dynamic data
 r1240 int DeclarativeChart::count()
{
return m_chart->series().count();
}
Tero Ahola
QML ChartView scrolling, zooming, drop shadow
 r1461 void DeclarativeChart::setDropShadowEnabled(bool enabled)
{
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 if (enabled != m_chart->isDropShadowEnabled()) {
m_chart->setDropShadowEnabled(enabled);
Tero Ahola
QML ChartView scrolling, zooming, drop shadow
 r1461 dropShadowEnabledChanged(enabled);
}
}
bool DeclarativeChart::dropShadowEnabled()
{
Tero Ahola
Minor modifications to properties of abstract, area and bar series
 r1462 return m_chart->isDropShadowEnabled();
Tero Ahola
QML ChartView scrolling, zooming, drop shadow
 r1461 }
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));
}
Tero Ahola
QML demo with dynamic data
 r1240 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;
}
Tero Ahola
Proof-of-concept for QML api...
 r120 #include "moc_declarativechart.cpp"
QTCOMMERCIALCHART_END_NAMESPACE