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/**
* SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
*
* This file is part of the KD Chart library.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "mainwindow.h"
#include <KChartLegend>
#include <KChartCartesianAxis>
#include <QColorDialog>
using namespace KChart;
MainWindow::MainWindow( QWidget *parent )
: QWidget( parent )
, m_chart( new Chart() )
, m_diagram( m_chart )
{
setupUi( this );
m_HLCModel.loadFromCSV( ":/HLC" );
m_OHLCModel.loadFromCSV( ":/OHLC" );
m_diagram.setType( StockDiagram::HighLowClose );
m_diagram.setModel( &m_HLCModel );
m_chart->coordinatePlane()->replaceDiagram( &m_diagram );
KChart::Legend* legend = new KChart::Legend( &m_diagram, m_chart );
m_chart->addLegend( legend );
QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
chartLayout->addWidget( m_chart );
// Abscissa
CartesianAxis *leftAxis = new CartesianAxis( &m_diagram );
// Ordinate
CartesianAxis *bottomAxis = new CartesianAxis( &m_diagram );
leftAxis->setPosition( CartesianAxis::Left );
TextAttributes attributes = bottomAxis->textAttributes();
attributes.setRotation( 90 );
attributes.setFontSize( Measure( 7.0, KChartEnums::MeasureCalculationModeAbsolute ) );
bottomAxis->setTextAttributes( attributes );
bottomAxis->setPosition( CartesianAxis::Bottom );
m_diagram.addAxis( leftAxis );
m_diagram.addAxis( bottomAxis );
m_diagram.addAxis( bottomAxis );
applyColor( QColor( "chartreuse" ) );
const bool connected = connect( colorChooser, SIGNAL(clicked()), SLOT(chooseColor()) );
Q_ASSERT( connected );
Q_UNUSED( connected );
// Initialize all values for the stock chart to sane defaults
initValues();
}
void MainWindow::chooseColor()
{
applyColor( QColorDialog::getColor( m_diagram.brush().color(), this ) );
}
void MainWindow::applyColor(const QColor &color)
{
if ( color.isValid() ) {
m_diagram.setPen( 0, QPen( color.darker( 130 ) ) );
m_diagram.setBrush( 0, QBrush( color ) );
QColor inverse( 255 - color.red(), 255 - color.green(), 255 - color.blue() );
m_diagram.setPen( 1, QPen( inverse.darker( 130 ) ) );
m_diagram.setBrush( 1, QBrush( inverse ) );
QPalette pal = colorChooser->palette();
pal.setBrush( QPalette::Button, QBrush( color ) );
colorChooser->setPalette( pal );
}
}
void MainWindow::initValues()
{
m_threeDBarAttributes = m_diagram.threeDBarAttributes();
m_threeDBarAttributes.setDepth( 10.0 );
m_threeDBarAttributes.setUseShadowColors( false );
threeDProperties->setChecked( m_threeDBarAttributes.isEnabled() );
perspectiveAngle->setValue( m_threeDBarAttributes.angle() );
perspectiveDepth->setValue( (int)m_threeDBarAttributes.depth() );
useShadowColors->setChecked( m_threeDBarAttributes.useShadowColors() );
m_diagram.setThreeDBarAttributes( m_threeDBarAttributes );
}
void MainWindow::on_threeDProperties_toggled( bool checked )
{
m_threeDBarAttributes.setEnabled( checked );
m_diagram.setThreeDBarAttributes( m_threeDBarAttributes );
m_chart->update();
}
void MainWindow::on_perspectiveAngle_valueChanged( int value )
{
m_threeDBarAttributes.setAngle( value );
m_diagram.setThreeDBarAttributes( m_threeDBarAttributes );
m_chart->update();
}
void MainWindow::on_perspectiveDepth_valueChanged( int value )
{
m_threeDBarAttributes.setDepth( value );
m_diagram.setThreeDBarAttributes( m_threeDBarAttributes );
m_chart->update();
}
void MainWindow::on_useShadowColors_toggled( bool checked )
{
m_threeDBarAttributes.setUseShadowColors( checked );
m_diagram.setThreeDBarAttributes( m_threeDBarAttributes );
m_chart->update();
}
void MainWindow::on_stockTypeCB_currentIndexChanged( const QString &text )
{
// FIXME: Workaround for disappearing diagram when setting new model
m_chart->coordinatePlane()->takeDiagram( &m_diagram );
if ( text == "High-Low-Close" ) {
m_diagram.setType( StockDiagram::HighLowClose );
m_diagram.setModel( &m_HLCModel );
} else if ( text == "Open-High-Low-Close" ) {
m_diagram.setType( StockDiagram::OpenHighLowClose );
m_diagram.setModel( &m_OHLCModel );
} else if ( text == "Candlestick" ) {
m_diagram.setType( StockDiagram::Candlestick );
m_diagram.setModel( &m_OHLCModel );
}
m_chart->coordinatePlane()->replaceDiagram( &m_diagram );
}
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