KD Chart 2: StockDiagram Namespace Reference

const QPair<QPointF, QPointF> StockDiagram::calculateDataBoundaries ( ) const

Definition at line 340 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::attributesModelRootIndex(), KDChart::AttributesModel::columnCount(), d, and KDChart::AttributesModel::rowCount().

00341 {
00342     const int rowCount = attributesModel()->rowCount( attributesModelRootIndex() );
00343     const int colCount = attributesModel()->columnCount( attributesModelRootIndex() );
00344     qreal xMin = 0.0;
00345     qreal xMax = rowCount;
00346     qreal yMin = 0.0;
00347     qreal yMax = 0.0;
00348     for ( int row = 0; row < rowCount; row++ ) {
00349         for ( int col = 0; col < colCount; col++ ) {
00350             const CartesianDiagramDataCompressor::CachePosition pos( row, col );
00351             const CartesianDiagramDataCompressor::DataPoint point = d->compressor.data( pos );
00352             yMax = qMax( yMax, point.value );
00353             yMin = qMin( yMin, point.value ); // FIXME: Can stock charts really have negative values?
00354         }
00355     }
00356     return QPair<QPointF, QPointF>( QPointF( xMin, yMin ), QPointF( xMax, yMax ) );
00357 }

QBrush StockDiagram::downTrendCandlestickBrush ( int column ) const

Definition at line 210 of file KDChartStockDiagram.cpp.

References d.

00211 {
00212     if ( d->downTrendCandlestickBrushes.contains( column ) )
00213         return d->downTrendCandlestickBrushes[column];
00214     return d->downTrendCandlestickBrush;
00215 }

QBrush StockDiagram::downTrendCandlestickBrush ( ) const

Definition at line 188 of file KDChartStockDiagram.cpp.

References d.

00189 {
00190     return d->downTrendCandlestickBrush;
00191 }

QPen StockDiagram::downTrendCandlestickPen ( int column ) const

Definition at line 255 of file KDChartStockDiagram.cpp.

References d.

00256 {
00257     if ( d->downTrendCandlestickPens.contains( column ) )
00258         return d->downTrendCandlestickPens[column];
00259     return d->downTrendCandlestickPen;
00260 }

QPen StockDiagram::downTrendCandlestickPen ( ) const

Definition at line 233 of file KDChartStockDiagram.cpp.

References d.

00234 {
00235     return d->downTrendCandlestickPen;
00236 }

void StockDiagram::init ( )

Initializes the diagram.

Definition at line 23 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), d, KDChart::StockDiagram::HighLowClose, and KDChart::AbstractDiagram::setPen().

Referenced by KDChart::AbstractArea::AbstractArea(), KDChart::AbstractAreaWidget::AbstractAreaWidget(), KDChart::AbstractAxis::AbstractAxis(), KDChart::AbstractCartesianDiagram::AbstractCartesianDiagram(), KDChart::AbstractDiagram::AbstractDiagram(), KDChart::AbstractPieDiagram::AbstractPieDiagram(), KDChart::BarDiagram::BarDiagram(), KDChart::CartesianAxis::CartesianAxis(), KDGantt::ConstraintModel::ConstraintModel(), KDGantt::GraphicsScene::GraphicsScene(), KDChart::HeaderFooter::HeaderFooter(), KDChart::Legend::Legend(), KDChart::LeveyJenningsAxis::LeveyJenningsAxis(), KDChart::LeveyJenningsDiagram::LeveyJenningsDiagram(), KDChart::LineDiagram::LineDiagram(), KDChart::PieDiagram::PieDiagram(), KDChart::Plotter::Plotter(), KDGantt::ProxyModel::ProxyModel(), KDChart::RingDiagram::RingDiagram(), StockDiagram(), KDGantt::SummaryHandlingProxyModel::SummaryHandlingProxyModel(), KDChart::TernaryLineDiagram::TernaryLineDiagram(), and KDChart::TernaryPointDiagram::TernaryPointDiagram().

00024 {
00025     d->diagram = this;
00026     d->compressor.setModel( attributesModel() );
00027 
00028     // Set properties to defaults
00029     d->type = HighLowClose;
00030     d->upTrendCandlestickBrush = QBrush( Qt::white );
00031     d->downTrendCandlestickBrush = QBrush( Qt::black );
00032     d->upTrendCandlestickPen = QPen( Qt::black );
00033     d->downTrendCandlestickPen = QPen( Qt::black );
00034 
00035     d->lowHighLinePen = QPen( Qt::black );
00036 
00037     setPen( QPen( Qt::black ) );
00038 }

QPen StockDiagram::lowHighLinePen ( int column ) const

Definition at line 166 of file KDChartStockDiagram.cpp.

References d.

00167 {
00168     if ( d->lowHighLinePens.contains( column ) )
00169         return d->lowHighLinePens[column];
00170     return d->lowHighLinePen;
00171 }

QPen StockDiagram::lowHighLinePen ( ) const

Definition at line 156 of file KDChartStockDiagram.cpp.

References d.

00157 {
00158     return d->lowHighLinePen;
00159 }

const int StockDiagram::numberOfAbscissaSegments ( ) const

Definition at line 265 of file KDChartStockDiagram.cpp.

00265 { return 1; }

const int StockDiagram::numberOfOrdinateSegments ( ) const

Definition at line 270 of file KDChartStockDiagram.cpp.

00270 { return 1; }

void StockDiagram::paint ( PaintContext * context )

Definition at line 272 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::attributesModelRootIndex(), KDChart::StockDiagram::Candlestick, d, KDChart::StockDiagram::HighLowClose, KDChart::StockDiagram::OpenHighLowClose, KDChart::PaintContext::painter(), and KDChart::AttributesModel::rowCount().

00273 {
00274     // Clear old reverse mapping data and create new
00275     // reverse mapping scene
00276     d->reverseMapper.clear();
00277 
00278     PainterSaver painterSaver( context->painter() );
00279     int rowCount = attributesModel()->rowCount( attributesModelRootIndex() );
00280     for ( int row = 0; row < rowCount; row++ ) {
00281         CartesianDiagramDataCompressor::DataPoint low;
00282         CartesianDiagramDataCompressor::DataPoint high;
00283         CartesianDiagramDataCompressor::DataPoint open;
00284         CartesianDiagramDataCompressor::DataPoint close;
00285         CartesianDiagramDataCompressor::DataPoint volume;
00286 
00287         if ( d->type == HighLowClose ) {
00288             const CartesianDiagramDataCompressor::CachePosition highPos( row, 0 );
00289             const CartesianDiagramDataCompressor::CachePosition lowPos( row, 1 );
00290             const CartesianDiagramDataCompressor::CachePosition closePos( row, 2 );
00291             low = d->compressor.data( lowPos );
00292             high = d->compressor.data( highPos );
00293             close = d->compressor.data( closePos );
00294         } else if ( d->type == OpenHighLowClose || d->type == Candlestick ) {
00295             const CartesianDiagramDataCompressor::CachePosition openPos( row, 0 );
00296             const CartesianDiagramDataCompressor::CachePosition highPos( row, 1 );
00297             const CartesianDiagramDataCompressor::CachePosition lowPos( row, 2 );
00298             const CartesianDiagramDataCompressor::CachePosition closePos( row, 3 );
00299             open = d->compressor.data( openPos );
00300             low = d->compressor.data( lowPos );
00301             high = d->compressor.data( highPos );
00302             close = d->compressor.data( closePos );
00303         }
00304 
00305         switch( d->type ) {
00306         case HighLowClose:
00307             open.hidden = true;
00308             // Fall-through intended!
00309         case OpenHighLowClose:
00310             d->drawOHLCBar( open, high, low, close, context );
00311             break;
00312         case Candlestick:
00313             d->drawCandlestick( open, high, low, close, context );
00314             break;
00315         }
00316     }
00317 }

void StockDiagram::resize ( const QSizeF & size )

Definition at line 319 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::coordinatePlane(), d, KDChart::AbstractDiagram::setDataBoundariesDirty(), KDChart::AbstractCoordinatePlane::zoomFactorX(), and KDChart::AbstractCoordinatePlane::zoomFactorY().

00320 {
00321     d->compressor.setResolution( static_cast< int >( size.width() * coordinatePlane()->zoomFactorX() ),
00322                                  static_cast< int >( size.height() * coordinatePlane()->zoomFactorY() ) );
00323     setDataBoundariesDirty();
00324 }

void StockDiagram::setDownTrendCandlestickBrush	(	int	column,
		const QBrush &	brush
	)

Definition at line 205 of file KDChartStockDiagram.cpp.

References d.

00206 {
00207     d->downTrendCandlestickBrushes[column] = brush;
00208 }

void StockDiagram::setDownTrendCandlestickBrush ( const QBrush & brush )

Definition at line 183 of file KDChartStockDiagram.cpp.

References d.

00184 {
00185     d->downTrendCandlestickBrush = brush;
00186 }

void StockDiagram::setDownTrendCandlestickPen	(	int	column,
		const QPen &	pen
	)

Definition at line 250 of file KDChartStockDiagram.cpp.

References d.

00251 {
00252     d->downTrendCandlestickPens[column] = pen;
00253 }

void StockDiagram::setDownTrendCandlestickPen ( const QPen & pen )

Definition at line 228 of file KDChartStockDiagram.cpp.

References d.

00229 {
00230     d->downTrendCandlestickPen = pen;
00231 }

void StockDiagram::setLowHighLinePen	(	int	column,
		const QPen &	pen
	)

Definition at line 161 of file KDChartStockDiagram.cpp.

References d.

00162 {
00163     d->lowHighLinePens[column] = pen;
00164 }

void StockDiagram::setLowHighLinePen ( const QPen & pen )

Definition at line 151 of file KDChartStockDiagram.cpp.

References d.

00152 {
00153     d->lowHighLinePen = pen;
00154 }

void StockDiagram::setStockBarAttributes	(	int	column,
		const StockBarAttributes &	attr
	)

Definition at line 72 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::propertiesChanged(), KDChart::AttributesModel::setHeaderData(), and KDChart::StockBarAttributesRole.

00073 {
00074     attributesModel()->setHeaderData(
00075         column, Qt::Vertical,
00076         qVariantFromValue( attr ),
00077         StockBarAttributesRole );
00078     emit propertiesChanged();
00079 }

void StockDiagram::setStockBarAttributes ( const StockBarAttributes & attr )

Definition at line 58 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::propertiesChanged(), KDChart::AttributesModel::setModelData(), and KDChart::StockBarAttributesRole.

00059 {
00060     attributesModel()->setModelData(
00061             qVariantFromValue( attr ),
00062             StockBarAttributesRole );
00063     emit propertiesChanged();
00064 }

void StockDiagram::setThreeDBarAttributes	(	int	column,
		const ThreeDBarAttributes &	attr
	)

Sets the 3D attributes for the bar (i.e.

candlestick) in certain column of the diagram

Note: Every column in a StockDiagram is represented by a row in the model

Parameters:

	column	The column to set the 3D bar attributes for
	attr	The 3D attributes to set

Definition at line 123 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::propertiesChanged(), KDChart::AttributesModel::setHeaderData(), and KDChart::StockBarAttributesRole.

00124 {
00125     attributesModel()->setHeaderData(
00126             column, Qt::Vertical,
00127             qVariantFromValue( attr ),
00128             StockBarAttributesRole );
00129     emit propertiesChanged();
00130 }

void StockDiagram::setThreeDBarAttributes ( const ThreeDBarAttributes & attr )

Sets the 3D attributes for all bars (i.e.

candlesticks)

Parameters:

attr

The 3D attributes to set

Definition at line 95 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AbstractDiagram::propertiesChanged(), KDChart::AttributesModel::setModelData(), and KDChart::ThreeDBarAttributesRole.

00096 {
00097     attributesModel()->setModelData(
00098             qVariantFromValue( attr ),
00099             ThreeDBarAttributesRole );
00100     emit propertiesChanged();
00101 }

void StockDiagram::setType ( Type type )

Switches between the supported types of stock charts, depending on type.

Definition at line 44 of file KDChartStockDiagram.cpp.

References d, and KDChart::AbstractDiagram::propertiesChanged().

00045 {
00046     d->type = type;
00047     emit propertiesChanged();
00048 }

void StockDiagram::setUpTrendCandlestickBrush	(	int	column,
		const QBrush &	brush
	)

Definition at line 193 of file KDChartStockDiagram.cpp.

References d.

00194 {
00195     d->upTrendCandlestickBrushes[column] = brush;
00196 }

void StockDiagram::setUpTrendCandlestickBrush ( const QBrush & brush )

Definition at line 173 of file KDChartStockDiagram.cpp.

References d.

00174 {
00175     d->upTrendCandlestickBrush = brush;
00176 }

void StockDiagram::setUpTrendCandlestickPen	(	int	column,
		const QPen &	pen
	)

Definition at line 238 of file KDChartStockDiagram.cpp.

References d.

00239 {
00240     d->upTrendCandlestickPens[column] = pen;
00241 }

void StockDiagram::setUpTrendCandlestickPen ( const QPen & pen )

Definition at line 218 of file KDChartStockDiagram.cpp.

References d.

00219 {
00220     d->upTrendCandlestickPen = pen;
00221 }

StockBarAttributes StockDiagram::stockBarAttributes ( int column ) const

Definition at line 81 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::StockDiagram::stockBarAttributes(), and KDChart::StockBarAttributesRole.

00082 {
00083     const QVariant attr( attributesModel()->headerData(
00084             column, Qt::Vertical, StockBarAttributesRole ) );
00085     if ( attr.isValid() )
00086         return qVariantValue<StockBarAttributes>( attr );
00087     return stockBarAttributes();
00088 }

StockBarAttributes StockDiagram::stockBarAttributes ( ) const

Definition at line 66 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AttributesModel::modelData(), and KDChart::StockBarAttributesRole.

00067 {
00068     return qVariantValue<StockBarAttributes>(
00069         attributesModel()->modelData( StockBarAttributesRole ) );
00070 }

StockDiagram::StockDiagram	(	QWidget *	parent,
		CartesianCoordinatePlane *	plane
	)

Definition at line 10 of file KDChartStockDiagram.cpp.

References init().

00011     : AbstractCartesianDiagram( new Private(), parent, plane )
00012 {
00013     init();
00014 }

ThreeDBarAttributes StockDiagram::threeDBarAttributes ( int column ) const

Returns the 3D attributes for a bars (i.e.

candlestick) in a certain column of the diagram

Note: Every column in a StockDiagram is represented by a row in the model

Parameters:

column

The column to get the 3D bar attributes for

Returns:: The 3D attributes for the specified column

Definition at line 141 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::StockDiagram::threeDBarAttributes(), and KDChart::ThreeDBarAttributesRole.

00142 {
00143     const QVariant attr( attributesModel()->headerData(
00144             column, Qt::Vertical, ThreeDBarAttributesRole ) );
00145     if ( attr.isValid() )
00146         return qVariantValue<ThreeDBarAttributes>( attr );
00147     return threeDBarAttributes();
00148 }

ThreeDBarAttributes StockDiagram::threeDBarAttributes ( ) const

Returns the 3D attributes for all bars (i.e.

candlesticks)

Returns:: the 3D bar attributes

Definition at line 108 of file KDChartStockDiagram.cpp.

References KDChart::AbstractDiagram::attributesModel(), KDChart::AttributesModel::modelData(), and KDChart::ThreeDBarAttributesRole.

00109 {
00110         return qVariantValue<ThreeDBarAttributes>(
00111                         attributesModel()->modelData( ThreeDBarAttributesRole ) );
00112 }

double StockDiagram::threeDItemDepth ( const QModelIndex & index ) const

Definition at line 333 of file KDChartStockDiagram.cpp.

00334 {
00335     Q_UNUSED( index );
00336     //FIXME: Implement threeD functionality
00337     return 1.0;
00338 }

double StockDiagram::threeDItemDepth ( int column ) const

Definition at line 326 of file KDChartStockDiagram.cpp.

00327 {
00328     Q_UNUSED( column );
00329     //FIXME: Implement threeD functionality
00330     return 1.0;
00331 }

StockDiagram::Type StockDiagram::type ( ) const

Returns:: the type of this diagram

Definition at line 53 of file KDChartStockDiagram.cpp.

References d.

Referenced by StockDiagram::Private::closeValueColumn(), StockDiagram::Private::highValueColumn(), StockDiagram::Private::lowValueColumn(), StockDiagram::Private::openValueColumn(), and KDGantt::StyleOptionGanttItem::StyleOptionGanttItem().

00054 {
00055    return d->type;
00056 }

QBrush StockDiagram::upTrendCandlestickBrush ( int column ) const

Definition at line 198 of file KDChartStockDiagram.cpp.

References d.

00199 {
00200     if ( d->upTrendCandlestickBrushes.contains( column ) )
00201         return d->upTrendCandlestickBrushes[column];
00202     return d->upTrendCandlestickBrush;
00203 }

QBrush StockDiagram::upTrendCandlestickBrush ( ) const

Definition at line 178 of file KDChartStockDiagram.cpp.

References d.

00179 {
00180     return d->upTrendCandlestickBrush;
00181 }

QPen StockDiagram::upTrendCandlestickPen ( int column ) const

Definition at line 243 of file KDChartStockDiagram.cpp.

References d.

00244 {
00245     if ( d->upTrendCandlestickPens.contains( column ) )
00246         return d->upTrendCandlestickPens[column];
00247     return d->upTrendCandlestickPen;
00248 }

QPen StockDiagram::upTrendCandlestickPen ( ) const

Definition at line 223 of file KDChartStockDiagram.cpp.

References d.

00224 {
00225     return d->upTrendCandlestickPen;
00226 }

StockDiagram::~StockDiagram ( )

Definition at line 16 of file KDChartStockDiagram.cpp.

00017 {
00018 }


Namespaces
namespace	Private
Functions
const QPair< QPointF, QPointF >	calculateDataBoundaries () const
QBrush	downTrendCandlestickBrush (int column) const
QBrush	downTrendCandlestickBrush () const
QPen	downTrendCandlestickPen (int column) const
QPen	downTrendCandlestickPen () const
void	init ()
	Initializes the diagram.
QPen	lowHighLinePen (int column) const
QPen	lowHighLinePen () const
const int	numberOfAbscissaSegments () const
const int	numberOfOrdinateSegments () const
void	paint (PaintContext *context)
void	resize (const QSizeF &size)
void	setDownTrendCandlestickBrush (int column, const QBrush &brush)
void	setDownTrendCandlestickBrush (const QBrush &brush)
void	setDownTrendCandlestickPen (int column, const QPen &pen)
void	setDownTrendCandlestickPen (const QPen &pen)
void	setLowHighLinePen (int column, const QPen &pen)
void	setLowHighLinePen (const QPen &pen)
void	setStockBarAttributes (int column, const StockBarAttributes &attr)
void	setStockBarAttributes (const StockBarAttributes &attr)
void	setThreeDBarAttributes (int column, const ThreeDBarAttributes &attr)
	Sets the 3D attributes for the bar (i.e.
void	setThreeDBarAttributes (const ThreeDBarAttributes &attr)
	Sets the 3D attributes for all bars (i.e.
void	setType (Type type)
	Switches between the supported types of stock charts, depending on type.
void	setUpTrendCandlestickBrush (int column, const QBrush &brush)
void	setUpTrendCandlestickBrush (const QBrush &brush)
void	setUpTrendCandlestickPen (int column, const QPen &pen)
void	setUpTrendCandlestickPen (const QPen &pen)
StockBarAttributes	stockBarAttributes (int column) const
StockBarAttributes	stockBarAttributes () const
	StockDiagram (QWidget parent, CartesianCoordinatePlane plane)
ThreeDBarAttributes	threeDBarAttributes (int column) const
	Returns the 3D attributes for a bars (i.e.
ThreeDBarAttributes	threeDBarAttributes () const
	Returns the 3D attributes for all bars (i.e.
double	threeDItemDepth (const QModelIndex &index) const
double	threeDItemDepth (int column) const
StockDiagram::Type	type () const
	Returns: the type of this diagram
QBrush	upTrendCandlestickBrush (int column) const
QBrush	upTrendCandlestickBrush () const
QPen	upTrendCandlestickPen (int column) const
QPen	upTrendCandlestickPen () const
	~StockDiagram ()

StockDiagram Namespace Reference

Namespaces

Functions

Function Documentation