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 );
KDChart::Legend* legend = new KDChart::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, KDChartEnums::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 markPeak(Plotter* p, const QModelIndex& peak, quint64 cost, const KColorScheme& scheme)
{
QBrush brush = p->model()->data(peak, DatasetBrushRole).value<QBrush>();
QColor outline = brush.color();
QColor foreground = scheme.foreground().color();
QBrush background = scheme.background();
DataValueAttributes dataAttributes = p->dataValueAttributes(peak);
dataAttributes.setDataLabel(prettyCost(cost));
dataAttributes.setVisible(true);
dataAttributes.setShowRepetitiveDataLabels(true);
dataAttributes.setShowOverlappingDataLabels(false);
FrameAttributes frameAttrs = dataAttributes.frameAttributes();
QPen framePen(outline);
framePen.setWidth(2);
frameAttrs.setPen(framePen);
frameAttrs.setVisible(true);
dataAttributes.setFrameAttributes(frameAttrs);
MarkerAttributes a = dataAttributes.markerAttributes();
a.setMarkerSize(QSizeF(7, 7));
a.setPen(outline);
a.setMarkerStyle(KChart::MarkerAttributes::MarkerDiamond);
a.setVisible(true);
dataAttributes.setMarkerAttributes(a);
TextAttributes txtAttrs = dataAttributes.textAttributes();
txtAttrs.setPen(foreground);
txtAttrs.setFontSize(Measure(12));
dataAttributes.setTextAttributes(txtAttrs);
BackgroundAttributes bkgAtt = dataAttributes.backgroundAttributes();
bkgAtt.setBrush(background);
bkgAtt.setVisible(true);
dataAttributes.setBackgroundAttributes(bkgAtt);
p->setDataValueAttributes(peak, dataAttributes);
}
MainWindow::MainWindow( QWidget* parent ) :
QWidget( parent )
{
setupUi( this );
QHBoxLayout* chartLayout = new QHBoxLayout( chartFrame );
m_chart = new Chart();
m_chart->setGlobalLeading( 10, 10, 10, 10 );
chartLayout->addWidget( m_chart );
hSBar->setVisible( false );
vSBar->setVisible( false );
m_model.loadFromCSV( ":/data" );
// Set up the diagram
m_lines = new BarDiagram();
m_lines->setModel( &m_model );
// create and position axis
CartesianAxis *topAxis = new CartesianAxis( m_lines );
CartesianAxis *leftAxis = new CartesianAxis ( m_lines );
RulerAttributes rulerAttr = topAxis->rulerAttributes();
rulerAttr.setTickMarkPen( 0.9999999, QPen( Qt::red ) );
rulerAttr.setTickMarkPen( 2.0, QPen( Qt::green ) );
rulerAttr.setTickMarkPen( 3.0, QPen( Qt::blue ) );
rulerAttr.setShowMinorTickMarks(true);
//rulerAttr.setShowMajorTickMarks(false);
topAxis->setRulerAttributes( rulerAttr );
CartesianAxis *rightAxis = new CartesianAxis ( m_lines );
CartesianAxis *bottomAxis = new CartesianAxis ( m_lines );
topAxis->setPosition ( CartesianAxis::Top );
leftAxis->setPosition ( CartesianAxis::Left );
rightAxis->setPosition ( CartesianAxis::Right );
bottomAxis->setPosition ( CartesianAxis::Bottom );
// set the margin that should be used between the displayed labels and the ticks to zero
#if 0
RulerAttributes ra = bottomAxis->rulerAttributes();
ra.setLabelMargin(0);
bottomAxis->setRulerAttributes( ra );
#endif
// show a red frame around the bottom axis
#if 0
FrameAttributes fa( bottomAxis->frameAttributes() );
fa.setPen( QPen(QBrush(QColor("#ff0000")),1.0) );
fa.setVisible( true );
bottomAxis->setFrameAttributes( fa );
#endif
// set axis titles
topAxis->setTitleText ( "Abscissa color configured top position" );
leftAxis->setTitleText ( "left Ordinate: fonts configured" );
rightAxis->setTitleText ( "right Ordinate: default settings" );
bottomAxis->setTitleText ( "Abscissa Bottom" );
topAxis->setTitleSize(1.1);
topAxis->setTitleSpace(.4);
// configure titles text attributes
TextAttributes taTop ( topAxis->titleTextAttributes () );
taTop.setPen( QPen( Qt::red ) );
topAxis->setTitleTextAttributes ( taTop );
TextAttributes taLeft ( leftAxis->titleTextAttributes () );
taLeft.setRotation( 180 );
Measure me( taLeft.fontSize() );
me.setValue( me.value() * 0.8 );
taLeft.setFontSize( me );
// Set the following to 1, to hide the left axis title
// - no matter if a title text is set or not
#if 0
taLeft.setVisible( false );
#endif
leftAxis->setTitleTextAttributes ( taLeft );
TextAttributes taBottom ( bottomAxis->titleTextAttributes () );
taBottom.setPen( QPen( Qt::blue ) );
bottomAxis->setTitleTextAttributes ( taBottom );
// configure labels text attributes
TextAttributes taLabels( topAxis->textAttributes() );
taLabels.setPen( QPen( Qt::darkGreen ) );
taLabels.setRotation( 90 );
topAxis->setTextAttributes( taLabels );
leftAxis->setTextAttributes( taLabels );
bottomAxis->setTextAttributes( taLabels );
// Set the following to 0, to see the default Abscissa labels
// (== X headers, as read from the data file)
#if 1
// configure labels and their shortened versions
QStringList daysOfWeek;
daysOfWeek << "M O N D A Y" << "Tuesday" << "Wednesday"
<< "Thursday" << "Friday" ;
topAxis->setLabels( daysOfWeek );
QStringList shortDays;
shortDays << "MON" << "Tue" << "Wed"
<< "Thu" << "Fri";
topAxis->setShortLabels( shortDays );
QStringList bottomLabels;
bottomLabels << "Team A" << "Team B" << "Team C";
bottomAxis->setLabels( bottomLabels );
QStringList shortBottomLabels;
shortBottomLabels << "A" << "B";
bottomAxis->setShortLabels( shortBottomLabels );
#endif
// add axis
m_lines->addAxis( topAxis );
m_lines->addAxis( leftAxis );
m_lines->addAxis( rightAxis );
m_lines->addAxis( bottomAxis );
// assign diagram to chart view
m_chart->coordinatePlane()->replaceDiagram( m_lines );
}