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/**
* Copyright (C) 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
*
* This file is part of the KD Chart library.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mainwindow.h"
#include <KChartChart>
#include <KChartPieDiagram>
#include <KChartPieAttributes>
#include <KChartThreeDPieAttributes>
#include <QDebug>
#include <QTimer>
using namespace KChart;
MainWindow::MainWindow( QWidget* parent ) :
QWidget( parent ),
m_currentFactor( 0 ),
m_currentDirection( 1 ),
m_currentSlice( 0 )
{
setupUi( this );
QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
m_chart = new Chart();
m_chart->setGlobalLeadingLeft( 5 );
m_chart->setGlobalLeadingRight( 5 );
chartLayout->addWidget( m_chart );
m_model.loadFromCSV( ":/data" );
explodeDatasetSB->setMaximum( m_model.columnCount() - 1 );
// Set up the diagram
PolarCoordinatePlane* polarPlane = new PolarCoordinatePlane( m_chart );
m_chart->replaceCoordinatePlane( polarPlane );
m_pie = new PieDiagram();
m_pie->setModel( &m_model );
m_chart->coordinatePlane()->replaceDiagram( m_pie );
m_timer = new QTimer( this );
connect( m_timer, SIGNAL(timeout()), this, SLOT(slotNextFrame()) );
}
void MainWindow::on_startPositionSB_valueChanged( double pos )
{
const int intValue = static_cast<int>( pos );
startPositionSL->blockSignals( true );
startPositionSL->setValue( intValue );
startPositionSL->blockSignals( false );
static_cast<PolarCoordinatePlane*>( m_chart->coordinatePlane()
)->setStartPosition( pos );
m_chart->update();
}
void MainWindow::on_startPositionSL_valueChanged( int pos )
{
qreal qrealValue = static_cast<qreal>( pos );
startPositionSB->blockSignals( true );
startPositionSB->setValue( qrealValue );
startPositionSB->blockSignals( false );
static_cast<PolarCoordinatePlane*>( m_chart->coordinatePlane()
)->setStartPosition( pos );
m_chart->update();
}
void MainWindow::on_explodeSubmitPB_clicked()
{
setExplodeFactor( explodeDatasetSB->value(), explodeFactorSB->value() );
m_chart->update();
}
void MainWindow::setExplodeFactor( int column, qreal value )
{
// Note:
// We use the per-column getter method here, it will fall back
// automatically to return the global (or even the default) settings.
PieAttributes attrs( m_pie->pieAttributes( column ) );
attrs.setExplodeFactor( value );
m_pie->setPieAttributes( column, attrs );
m_chart->update();
}
void MainWindow::on_animateExplosionCB_toggled( bool toggle )
{
if ( toggle )
m_timer->start( 100 );
else
m_timer->stop();
}
void MainWindow::slotNextFrame()
{
m_currentFactor += ( 1 * m_currentDirection );
if ( m_currentFactor == 0 || m_currentFactor == 5 )
m_currentDirection = -m_currentDirection;
if ( m_currentFactor == 0 ) {
setExplodeFactor( m_currentSlice, 0.0 );
m_currentSlice++;
if ( m_currentSlice >= m_model.columnCount() )
m_currentSlice = 0;
}
setExplodeFactor(
m_currentSlice,
static_cast<qreal>( m_currentFactor ) / 10.0 );
m_chart->update();
}
void MainWindow::on_threeDGB_toggled( bool toggle )
{
// note: We use the global getter method here, it will fall back
// automatically to return the default settings.
ThreeDPieAttributes attrs( m_pie->threeDPieAttributes() );
attrs.setEnabled( toggle );
attrs.setDepth( threeDFactorSB->value() );
m_pie->setThreeDPieAttributes( attrs );
m_chart->update();
}
void MainWindow::on_threeDFactorSB_valueChanged( int factor )
{
// note: We use the global getter method here, it will fall back
// automatically to return the default settings.
ThreeDPieAttributes attrs( m_pie->threeDPieAttributes() );
attrs.setEnabled( threeDGB->isChecked() );
attrs.setDepth( factor );
m_pie->setThreeDPieAttributes( attrs );
m_chart->update();
}
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