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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 <KChartLineDiagram>
#include <KChartTextAttributes>
#include <KChartDataValueAttributes>
#include <KChartMarkerAttributes>
#include <QtGui/QPainterPath>
using namespace KChart;
MainWindow::MainWindow( QWidget* parent ) :
QWidget( parent )
{
setupUi( this );
path = new QPainterPath();
path->addEllipse( -2.0, -1.0, 4.0, 2.0 );
QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
m_chart = new Chart();
chartLayout->addWidget( m_chart );
m_model.loadFromCSV( ":/data" );
// Set up the diagram
m_lines = new LineDiagram();
m_lines->setModel( &m_model );
m_chart->coordinatePlane()->replaceDiagram( m_lines );
m_chart->setGlobalLeading( 20, 20, 20, 20 );
on_paintLinesCB_toggled( false );
on_paintMarkersCB_toggled( true );
}
MainWindow::~MainWindow()
{
delete path;
}
void MainWindow::on_lineTypeCB_currentIndexChanged( const QString & text )
{
if ( text == "Normal" )
m_lines->setType( LineDiagram::Normal );
else if ( text == "Stacked" )
m_lines->setType( LineDiagram::Stacked );
else if ( text == "Percent" )
m_lines->setType( LineDiagram::Percent );
else
qWarning (" Does not match any type");
m_chart->update();
}
void MainWindow::on_paintValuesCB_toggled( bool checked )
{
const int colCount = m_lines->model()->columnCount(m_lines->rootIndex());
for ( int iColumn = 0; iColumn < colCount; ++iColumn ) {
DataValueAttributes a( m_lines->dataValueAttributes( iColumn ) );
QBrush brush( m_lines->brush( iColumn ) );
TextAttributes ta( a.textAttributes() );
ta.setRotation( 0 );
ta.setFont( QFont( "Comic" ) );
ta.setPen( QPen( brush.color() ) );
ta.setVisible( checked );
a.setVisible( true );
a.setTextAttributes( ta );
m_lines->setDataValueAttributes( iColumn, a );
}
m_chart->update();
}
void MainWindow::on_paintLinesCB_toggled( bool checked )
{
const int colCount = m_lines->model()->columnCount(m_lines->rootIndex());
for ( int iColumn = 0; iColumn<colCount; ++iColumn ) {
DataValueAttributes a( m_lines->dataValueAttributes( iColumn ) );
QBrush lineBrush( m_lines->brush( iColumn ) );
if ( checked ) {
QPen linePen( lineBrush.color() );
m_lines->setPen( iColumn, linePen );
}
else
m_lines->setPen( iColumn, Qt::NoPen );
}
m_chart->update();
}
void MainWindow::on_paintMarkersCB_toggled( bool checked )
{
const int colCount = m_lines->model()->columnCount(m_lines->rootIndex());
for ( int iColumn = 0; iColumn<colCount; ++iColumn ) {
DataValueAttributes dva( m_lines->dataValueAttributes( iColumn ) );
QBrush lineBrush( m_lines->brush( iColumn ) );
TextAttributes ta ( dva.textAttributes() );
ta.setVisible( paintValuesCB->isChecked() );
MarkerAttributes ma( dva.markerAttributes() );
ma.setMarkerSize( QSize( markersWidthSB->value(),
markersHeightSB->value() ) );
switch ( markersStyleCB->currentIndex() ) {
case 0:
ma.setMarkerStyle( MarkerAttributes::MarkerCircle );
break;
case 1:
ma.setMarkerStyle( MarkerAttributes::MarkerSquare );
break;
case 2:
ma.setMarkerStyle( MarkerAttributes::MarkerDiamond );
break;
case 3:
ma.setMarkerStyle( MarkerAttributes::Marker1Pixel );
break;
case 4:
ma.setMarkerStyle( MarkerAttributes::Marker4Pixels );
break;
case 5:
ma.setMarkerStyle( MarkerAttributes::MarkerRing );
break;
case 6:
ma.setMarkerStyle( MarkerAttributes::MarkerCross );
break;
case 7:
ma.setMarkerStyle( MarkerAttributes::MarkerFastCross );
break;
case 8:
ma.setMarkerStyle( MarkerAttributes::PainterPathMarker );
}
QPen markerPen( lineBrush.color() );
ma.setPen( markerPen );
ma.setVisible( checked );
ma.setCustomMarkerPath( *path );
dva.setTextAttributes( ta );
dva.setMarkerAttributes( ma );
dva.setVisible( true );
m_lines->setDataValueAttributes( iColumn, dva );
}
m_chart->update();
}
void MainWindow::on_markersStyleCB_currentIndexChanged( const QString & text )
{
Q_UNUSED( text );
on_paintMarkersCB_toggled( paintMarkersCB->isChecked() );
}
void MainWindow::on_markersWidthSB_valueChanged( int i )
{
markersHeightSB->setValue( i );
on_paintMarkersCB_toggled( paintMarkersCB->isChecked() );
}
void MainWindow::on_markersHeightSB_valueChanged( int i )
{
markersWidthSB->setValue( i );
on_paintMarkersCB_toggled( paintMarkersCB->isChecked() );
}
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