/
Radar.java
1032 lines (892 loc) · 29.5 KB
/
Radar.java
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/***********************************************************************
* Copyright (c) 2010 Actuate Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Actuate Corporation - initial API and implementation
***********************************************************************/
package org.eclipse.birt.chart.examples.radar.render;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.birt.chart.computation.DataPointHints;
import org.eclipse.birt.chart.computation.DataSetIterator;
import org.eclipse.birt.chart.computation.IConstants;
import org.eclipse.birt.chart.computation.ValueFormatter;
import org.eclipse.birt.chart.computation.withoutaxes.SeriesRenderingHints;
import org.eclipse.birt.chart.device.IDeviceRenderer;
import org.eclipse.birt.chart.device.IPrimitiveRenderer;
import org.eclipse.birt.chart.device.IStructureDefinitionListener;
import org.eclipse.birt.chart.event.EventObjectCache;
import org.eclipse.birt.chart.event.LineRenderEvent;
import org.eclipse.birt.chart.event.OvalRenderEvent;
import org.eclipse.birt.chart.event.PolygonRenderEvent;
import org.eclipse.birt.chart.event.RectangleRenderEvent;
import org.eclipse.birt.chart.event.StructureSource;
import org.eclipse.birt.chart.event.TextRenderEvent;
import org.eclipse.birt.chart.event.WrappedStructureSource;
import org.eclipse.birt.chart.examples.radar.i18n.Messages;
import org.eclipse.birt.chart.examples.radar.model.type.RadarSeries;
import org.eclipse.birt.chart.exception.ChartException;
import org.eclipse.birt.chart.log.ILogger;
import org.eclipse.birt.chart.log.Logger;
import org.eclipse.birt.chart.model.ChartWithoutAxes;
import org.eclipse.birt.chart.model.attribute.Bounds;
import org.eclipse.birt.chart.model.attribute.ChartDimension;
import org.eclipse.birt.chart.model.attribute.ColorDefinition;
import org.eclipse.birt.chart.model.attribute.Fill;
import org.eclipse.birt.chart.model.attribute.FormatSpecifier;
import org.eclipse.birt.chart.model.attribute.LineAttributes;
import org.eclipse.birt.chart.model.attribute.LineStyle;
import org.eclipse.birt.chart.model.attribute.Location;
import org.eclipse.birt.chart.model.attribute.Marker;
import org.eclipse.birt.chart.model.attribute.Palette;
import org.eclipse.birt.chart.model.component.Label;
import org.eclipse.birt.chart.model.component.Series;
import org.eclipse.birt.chart.model.data.SeriesDefinition;
import org.eclipse.birt.chart.model.layout.ClientArea;
import org.eclipse.birt.chart.model.layout.Legend;
import org.eclipse.birt.chart.model.layout.Plot;
import org.eclipse.birt.chart.plugin.ChartEngineExtensionPlugin;
import org.eclipse.birt.chart.render.BaseRenderer;
import org.eclipse.birt.chart.render.ISeriesRenderingHints;
import org.eclipse.birt.chart.script.AbstractScriptHandler;
import org.eclipse.birt.chart.script.ScriptHandler;
import org.eclipse.birt.chart.util.ChartUtil;
import org.eclipse.birt.chart.util.ChartUtil.CacheDateFormat;
import org.eclipse.birt.chart.util.ChartUtil.CacheDecimalFormat;
import org.eclipse.birt.chart.util.FillUtil;
import org.eclipse.emf.common.util.EList;
/**
* Radar
*/
public class Radar extends BaseRenderer
{
/**
* Comment for <code>TYPE_LITERAL</code>
*/
public static final String STANDARD_SUBTYPE_LITERAL = "Standard Radar Chart"; //$NON-NLS-1$
public static final String SPIDER_SUBTYPE_LITERAL = "Spider Radar Chart"; //$NON-NLS-1$
public static final String BULLSEYE_SUBTYPE_LITERAL = "Bullseye Radar Chart"; //$NON-NLS-1$
public static final String SCRIPT_KEY_WEB = "Web"; //$NON-NLS-1$
public static final String SCRIPT_KEY_CATEGORY = "Category"; //$NON-NLS-1$
static ILogger logger = Logger.getLogger( "org.eclipse.birt.chart.examples/render" ); //$NON-NLS-1$
private double percentReduce = 0.2;
private double dSafeSpacing = 10;
private DataPointHints[] dpha = null;
private CacheDecimalFormat dfNumericFormatCache = null;
private CacheDateFormat dfDateFormatCache = null;
private RadarScaleHelper scaleHelper;
public Radar( )
{
super( );
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.birt.chart.render.ISeriesRenderer#compute(org.eclipse.birt
* .chart.model.attribute.Bounds, org.eclipse.birt.chart.model.layout.Plot,
* org.eclipse.birt.chart.render.ISeriesRenderingHints)
*/
public void compute( Bounds bo, Plot p, ISeriesRenderingHints isrh )
throws ChartException
{
final SeriesRenderingHints srh = (SeriesRenderingHints) isrh;
// VALIDATE CONSISTENT DATASET COUNT BETWEEN BASE AND ORTHOGONAL
validateDataSetCount( isrh );
// SCALE VALIDATION
dpha = srh.getDataPoints( );
double[] da = srh.asPrimitiveDoubleValues( );
if ( dpha == null || da == null || dpha.length < 1 || da.length < 1 )
{
throw new ChartException( ChartEngineExtensionPlugin.ID,
ChartException.RENDERING,
"exception.invalid.datapoint.dial", //$NON-NLS-1$
org.eclipse.birt.chart.engine.extension.i18n.Messages.getResourceBundle( getRunTimeContext( ).getULocale( ) ) );
}
if (scaleHelper == null)
{
scaleHelper = new RadarScaleHelper( getFirstSeries( ),
(ChartWithoutAxes) getModel( ) );
}
scaleHelper.compute( );
// Set on Plot dialog
double cvr = ( (ChartWithoutAxes) getModel( ) ).getCoverage( );
if ( cvr <= 0 )
{
cvr = 0.8;
}
percentReduce = 1 - cvr;
dSafeSpacing *= getDeviceScale( );
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.birt.chart.render.ISeriesRenderer#renderSeries(org.eclipse
* .birt.chart.device.IPrimitiveRenderer,
* org.eclipse.birt.chart.model.layout.Plot,
* org.eclipse.birt.chart.render.ISeriesRenderingHints)
*/
public void renderSeries( IPrimitiveRenderer ipr, Plot p,
ISeriesRenderingHints isrh ) throws ChartException
{
SeriesDefinition sd = getSeriesDefinition( );
ChartWithoutAxes cwoa = (ChartWithoutAxes) getModel( );
if ( cwoa.getDimension( ) != ChartDimension.TWO_DIMENSIONAL_LITERAL )
{
throw new ChartException( ChartEngineExtensionPlugin.ID,
ChartException.RENDERING,
"exception.dial.dimension", //$NON-NLS-1$
new Object[]{
cwoa.getDimension( ).getName( )
},
Messages.getResourceBundle( getRunTimeContext( ).getULocale( ) ) );
}
logger.log( ILogger.INFORMATION,
Messages.getString( "info.render.series",//$NON-NLS-1$
getRunTimeContext( ).getULocale( ) )
+ getClass( ).getName( )
+ ( iSeriesIndex + 1 )
+ iSeriesCount );
render( getDevice( ),
srh.getClientAreaBounds( true ),
(RadarSeries) getSeries( ),
sd );
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.birt.chart.render.ISeriesRenderer#renderLegendGraphic(org
* .eclipse.birt.chart.device.IPrimitiveRenderer,
* org.eclipse.birt.chart.model.layout.Legend,
* org.eclipse.birt.chart.model.attribute.Fill,
* org.eclipse.birt.chart.model.attribute.Bounds)
*/
public void renderLegendGraphic( IPrimitiveRenderer ipr, Legend lg,
Fill fPaletteEntry, Bounds bo ) throws ChartException
{
if ( ( bo.getWidth( ) == 0 ) && ( bo.getHeight( ) == 0 ) )
{
return;
}
final ClientArea ca = lg.getClientArea( );
final LineAttributes lia = ca.getOutline( );
final RadarSeries ls = (RadarSeries) getSeries( );
if ( fPaletteEntry == null ) // TEMPORARY PATCH: WILL BE REMOVED SOON
{
fPaletteEntry = goFactory.RED( );
}
final RectangleRenderEvent rre = ( (EventObjectCache) ipr ).getEventObject( StructureSource.createLegend( lg ),
RectangleRenderEvent.class );
rre.setBackground( ca.getBackground( ) );
rre.setOutline( lia );
rre.setBounds( bo );
ipr.fillRectangle( rre );
LineAttributes liaMarker = ls.getLineAttributes( );
if ( !liaMarker.isSetVisible( ) )
{
throw new ChartException( ChartEngineExtensionPlugin.ID,
ChartException.RENDERING,
"exception.unspecified.marker.linestyle.visibility", //$NON-NLS-1$
Messages.getResourceBundle( getRunTimeContext( ).getULocale( ) ) );
}
if ( liaMarker.isVisible( ) )
{
final LineRenderEvent lre = ( (EventObjectCache) ipr ).getEventObject( StructureSource.createLegend( lg ),
LineRenderEvent.class );
if ( fPaletteEntry instanceof ColorDefinition
&& ( ls.isSetPaletteLineColor( ) && ls.isPaletteLineColor( ) ) )
{
liaMarker = goFactory.copyOf( liaMarker );
liaMarker.setColor( goFactory.copyOf( FillUtil.getColor( fPaletteEntry ) ) );
}
lre.setLineAttributes( liaMarker );
lre.setStart( goFactory.createLocation( bo.getLeft( ) + 1, bo.getTop( )
+ bo.getHeight( )
/ 2 ) );
lre.setEnd( goFactory.createLocation( bo.getLeft( ) + bo.getWidth( ) - 1,
bo.getTop( ) + bo.getHeight( ) / 2 ) );
ipr.drawLine( lre );
}
SeriesDefinition sd = getSeriesDefinition( );
final boolean bPaletteByCategory = isPaletteByCategory( );
if ( bPaletteByCategory && ls.eContainer( ) instanceof SeriesDefinition )
{
sd = (SeriesDefinition) ls.eContainer( );
}
int iThisSeriesIndex = sd.getRunTimeSeries( ).indexOf( ls );
if ( iThisSeriesIndex < 0 )
{
throw new ChartException( ChartEngineExtensionPlugin.ID,
ChartException.RENDERING,
"exception.missing.series.for.palette.index", //$NON-NLS-1$
new Object[]{
ls, sd
},
Messages.getResourceBundle( getRunTimeContext( ).getULocale( ) ) );
}
Marker m = null;
// need
m = ls.getMarker( );
double width = bo.getWidth( ) / getDeviceScale( );
double height = bo.getHeight( ) / getDeviceScale( );
int markerSize = (int) ( ( ( width > height ? height : width ) - 2 ) / 2 );
if ( markerSize <= 0 )
{
markerSize = 1;
}
if ( m != null && m.isVisible( ) )
{
renderMarker( lg,
ipr,
m,
goFactory.createLocation( bo.getLeft( ) + bo.getWidth( ) / 2,
bo.getTop( ) + bo.getHeight( ) / 2 ),
ls.getLineAttributes( ),
fPaletteEntry,
null,
Integer.valueOf( markerSize ),
false,
false );
}
}
private void renderPolys( IDeviceRenderer idr, Location[] prelo, RadarSeries se,
SeriesDefinition sd ) throws ChartException
{
int iThisSeriesIndex = sd.getRunTimeSeries( ).indexOf( se );
if ( iThisSeriesIndex == -1 )
iThisSeriesIndex = getSeriesIndex( );
final EList<Fill> elPalette = sd.getSeriesPalette( ).getEntries( );
Fill fPaletteEntry = FillUtil.getPaletteFill( elPalette,
iThisSeriesIndex );
LineAttributes llia = se.getLineAttributes( );
final PolygonRenderEvent pre = ( (EventObjectCache) idr ).getEventObject( StructureSource.createSeries( se ),
PolygonRenderEvent.class );
final LineRenderEvent lre = ( (EventObjectCache) idr ).getEventObject( StructureSource.createSeries( se ),
LineRenderEvent.class );
if ( se.isSetTranslucent( ) && se.isTranslucent( ) )
{
if ( fPaletteEntry instanceof ColorDefinition )
{
fPaletteEntry = goFactory.translucent( (ColorDefinition) fPaletteEntry );
}
}
// Disconnected Lines
if ( !se.isFillPolys( ) || !se.isConnectEndpoints( ) )
{
lre.setLineAttributes( llia );
for ( int i = 0; i < ( prelo.length - 1 ); i++ )
{
if ( prelo[i] == null || prelo[i + 1] == null )
{
continue;
}
lre.setStart( prelo[i] );
lre.setEnd( prelo[i + 1] );
idr.drawLine( lre );
}
// Connect the first and last point
if ( se.isConnectEndpoints( ) )
{
if ( prelo[0] != null && prelo[prelo.length - 1] != null )
{
lre.setStart( prelo[0] );
lre.setEnd( prelo[prelo.length - 1] );
idr.drawLine( lre );
}
}
}
else
{
pre.setBackground( fPaletteEntry );
pre.setPoints( prelo );
pre.setOutline( llia );
idr.drawPolygon( pre );
idr.fillPolygon( pre );
}
}
private void renderAxes( IDeviceRenderer idr, PolarCoordinate pc,
double magnitude ) throws ChartException
{
Location center = pc.getCenter( );
// int iSeriesCount = getSeriesCount( ) - 1;
int iCount = pc.getCount( );// * iSeriesCount;
pc = new PolarCoordinate( center, iCount, 1, 0 );
Location lo = center.copyInstance( );
LineAttributes lia = null;
LineAttributes wlia = null;
RadarSeries rsd = getFirstSeries( );
wlia = rsd.getWebLineAttributes( );
if ( wlia == null )
{
lia = goFactory.createLineAttributes( goFactory.GREY( ),
LineStyle.SOLID_LITERAL,
1 );
}
else
{
lia = wlia;
}
StructureSource ss = StructureSource.createPlot( getModel( ).getPlot( ) );
final LineRenderEvent lre = ( (EventObjectCache) idr ).getEventObject( ss,
LineRenderEvent.class );
final OvalRenderEvent ore = ( (EventObjectCache) idr ).getEventObject( ss,
OvalRenderEvent.class );
lre.setLineAttributes( lia );
// Radials
lre.setStart( center );
for ( int i = 0; i < iCount; i++ )
{
pc.computeLocation( lo, i, magnitude );
lre.setEnd( lo );
idr.drawLine( lre );
DataPointHints dph = dpha[i];
if ( ( rsd.isSetShowCatLabels( ) && rsd.isShowCatLabels( ) )
|| ( !rsd.isSetShowCatLabels( ) ) )
{
drawAxisRadialLabel( idr, pc, lo, i, dph.getBaseValue( ) );
}
}
String subType = getModel( ).getSubType( );
if ( STANDARD_SUBTYPE_LITERAL.equals( subType )
|| BULLSEYE_SUBTYPE_LITERAL.equals( subType ) )
{
ore.setBackground( lia.getColor( ) );
ore.setOutline( lia );
Bounds bo = goFactory.createBounds( 0, 0, 0, 0 );
for ( int sc = 1; sc <= scaleHelper.getScaleCount( ); sc++ )
{
double spiderMag = magnitude * sc / scaleHelper.getScaleCount( );
ore.setBounds( pc.computeBounds( bo, spiderMag ) );
idr.drawOval( ore );
}
}
else if ( SPIDER_SUBTYPE_LITERAL.equals( subType ) )
{
Location lo1 = lo.copyInstance( );
for ( int sc = 1; sc < scaleHelper.getScaleCount( ) + 1; sc++ )
{
double spiderMag = magnitude * sc / scaleHelper.getScaleCount( );
pc.computeLocation( lo1, 0, spiderMag );
for ( int index = 1; index < iCount + 1; index++ )
{
lo.set( lo1.getX( ), lo1.getY( ) );
pc.computeLocation( lo1, index, spiderMag );
lre.setStart( lo );
lre.setEnd( lo1 );
idr.drawLine( lre );
}
}
}
}
private void renderOvalBackgrounds( IDeviceRenderer idr, Location center,
Series se, double magnitude ) throws ChartException
{
final OvalRenderEvent ore = ( (EventObjectCache) idr ).getEventObject( StructureSource.createPlot( cm.getPlot( ) ),
OvalRenderEvent.class );
LineAttributes lia = null;
LineAttributes wlia = ( (RadarSeries) se ).getWebLineAttributes( );
if ( wlia == null )
{
lia = goFactory.createLineAttributes( goFactory.GREY( ),
LineStyle.SOLID_LITERAL,
1 );
}
else
{
lia = wlia;
}
ore.setBackground( lia.getColor( ) );
ore.setOutline( lia );
for ( int sc = scaleHelper.getScaleCount( ); sc >= 1; sc-- )
{
double spiderMag = magnitude * sc / scaleHelper.getScaleCount( );
ore.setBounds( goFactory.createBounds( center.getX( ) - spiderMag,
center.getY( ) - spiderMag,
spiderMag * 2,
spiderMag * 2 ) );
Fill wPaletteEntry = null;
Palette pa = sd.getSeriesPalette( );
int ps = pa.getEntries( ).size( );
int tscnt = getSeriesCount( );
int palcnt = ps + tscnt + sc;
if ( palcnt > ps )
palcnt = 1;
wPaletteEntry = FillUtil.getPaletteFill( pa.getEntries( ), sc + 1 );
if ( wPaletteEntry instanceof ColorDefinition )
{
RadarSeries rsd = getFirstSeries( );
if ( rsd.isBackgroundOvalTransparent( ) )
{
wPaletteEntry = goFactory.translucent( (ColorDefinition) wPaletteEntry );
}
}
// ore.setBounds( goFactory.copyOf( bo ) );
ore.setBackground( wPaletteEntry );
idr.fillOval( ore );
}
}
private static class PolarCoordinate
{
private final Location center;
// private final int iSeriesCount;
// private final int iSeriesIndex;
private final int iCount;
private final double delta;
public PolarCoordinate( Location center, int iCount, int iSeriesCount,
int iSeriesIndex )
{
this.center = center;
// this.iSeriesCount = iSeriesCount;
// this.iSeriesIndex = iSeriesIndex;
this.iCount = iCount;
delta = 2 * Math.PI / iCount;
}
public Location getCenter( )
{
return center;
}
public int getCount( )
{
return iCount;
}
public double getAngle( int index, int iSeriesIndex )
{
return ( index * delta ) * ( -1.0 ) + Math.PI / 2; // + iSeriesIndex
// * delta /
// iSeriesCount;
}
public double getAngle( int index )
{
return getAngle( index, 0/* iSeriesIndex */);
}
public int getDegree( int index )
{
double degree = Math.toDegrees( getAngle( index ) ) % 360;
if ( degree < 0 )
{
degree += 360;
}
if ( degree > 180 )
{
degree -= 360;
}
return (int) Math.round( degree );
}
public Location computeLocation( Location lo, int index,
double magnitude )
{
double angle = getAngle( index, 0/* iSeriesIndex */);
double x = Math.cos( angle ) * magnitude;
double y = Math.sin( angle ) * magnitude;
lo.set( center.getX( ) + x, center.getY( ) - y );
return lo;
}
public Location createLocation( int index, double magnitude )
{
double angle = getAngle( index );
double x = Math.cos( angle ) * magnitude;
double y = Math.sin( angle ) * magnitude;
return goFactory.createLocation( center.getX( ) + x, center.getY( )
- y );
}
public Bounds computeBounds( Bounds bo, double magnitude )
{
bo.set( center.getX( ) - magnitude,
center.getY( ) - magnitude,
magnitude * 2,
magnitude * 2 );
return bo;
}
}
private Object getWebLabelDefaultFormat( Object value )
{
if ( value instanceof Number )
{
if ( dfNumericFormatCache == null )
{
dfNumericFormatCache = new ChartUtil.CacheDecimalFormat( rtc.getULocale( ) );
}
return dfNumericFormatCache.get( ValueFormatter.getNumericPattern( (Number) value ) );
}
return null;
}
private Object getCategoryDefaultFormat( Object value ) throws ChartException
{
if ( value instanceof Number )
{
if ( dfNumericFormatCache == null )
{
dfNumericFormatCache = new ChartUtil.CacheDecimalFormat( rtc.getULocale( ) );
}
return dfNumericFormatCache.get( ValueFormatter.getNumericPattern( (Number) value ) );
}
DataSetIterator categoryDSI = new DataSetIterator( ( (ChartWithoutAxes) getModel( ) ).getSeriesDefinitions( )
.get( 0 )
.getRunTimeSeries( )
.get( 0 )
.getDataSet( ) );
int iDateTimeUnit = ChartUtil.computeDateTimeCategoryUnit( getModel( ),
categoryDSI );
if ( iDateTimeUnit != IConstants.UNDEFINED )
{
if ( dfDateFormatCache == null )
{
dfDateFormatCache = new ChartUtil.CacheDateFormat( rtc.getULocale( ) );
}
return dfDateFormatCache.get( iDateTimeUnit );
}
return null;
}
private final void drawAxisRadialLabel( IDeviceRenderer idr,
PolarCoordinate pc, Location lo, int cindex, Object lab )
throws ChartException
{
final AbstractScriptHandler<?> sh = getRunTimeContext( ).getScriptHandler( );
double space = dSafeSpacing / 2;
Label la = null;
if ( getFirstSeries( ).getCatLabel( ) != null )
{
la = goFactory.copyOf( getFirstSeries( ).getCatLabel( ) );
}
else
{
la = goFactory.copyOf( getFirstSeries( ).getLabel( ) );
la.setVisible( true );
}
if ( lab == null )
{
lab = "null"; //$NON-NLS-1$
}
FormatSpecifier fs = getFirstSeries( ).getCatLabelFormatSpecifier( );
Object defaultFormat = getCategoryDefaultFormat( lab );
String catlabel = ValueFormatter.format( lab,
fs,
rtc.getULocale( ),
defaultFormat );
la.getCaption( ).setValue( catlabel );
Location loLabel = lo.copyInstance( );
final TextRenderEvent tre = ( (EventObjectCache) idr ).getEventObject( WrappedStructureSource.createAxisLabel( null,
la ),
TextRenderEvent.class );
tre.setLabel( la );
ScriptHandler.callFunction( sh,
ScriptHandler.BEFORE_DRAW_AXIS_LABEL,
SCRIPT_KEY_CATEGORY,
la,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_AXIS_LABEL,
la );
tre.setAction( TextRenderEvent.RENDER_TEXT_AT_LOCATION );
int degree = pc.getDegree( cindex );
if ( Math.abs( degree ) > 90 )
{
tre.setTextPosition( TextRenderEvent.LEFT );
}
else
{
tre.setTextPosition( TextRenderEvent.RIGHT );
}
if ( Math.abs( degree ) == 90 )
{
tre.setTextPosition( TextRenderEvent.ABOVE );
}
if ( degree == -90 )
{
tre.setTextPosition( TextRenderEvent.BELOW );
}
double dX = -Math.signum( Math.abs( degree ) - 90 ) * space;
double dY = -Math.signum( degree ) * space;
if ( degree == 0 || degree == 180 || degree == -180 )
{
dY = 0;
}
if ( degree == 90 || degree == -90 || degree == 270 || degree == -270 )
{
dX = 0;
}
loLabel.translate( dX, dY );
tre.setLocation( loLabel );
// Text render event must be either cached or copied here for correct
// interactivity.
dc.addLabel( tre );
ScriptHandler.callFunction( sh,
ScriptHandler.AFTER_DRAW_AXIS_LABEL,
SCRIPT_KEY_CATEGORY,
la,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_AXIS_LABEL,
la );
}
private final void drawSeriesLabel( IDeviceRenderer idr,
PolarCoordinate pc, DataPointHints dph, Location lopt )
throws ChartException
{
final AbstractScriptHandler<?> sh = getRunTimeContext( ).getScriptHandler( );
if ( se.getLabel( ).isVisible( ) )
{
double space = dSafeSpacing / 2;
Label la = goFactory.copyOf( se.getLabel( ) );
la.getCaption( ).setValue( dph.getDisplayValue( ) );
Location loLabel = lopt.copyInstance( );
final TextRenderEvent tre = ( (EventObjectCache) idr ).getEventObject( WrappedStructureSource.createSeriesDataPoint( se,
dph ),
TextRenderEvent.class );
tre.setLabel( la );
ScriptHandler.callFunction( sh,
ScriptHandler.BEFORE_DRAW_DATA_POINT_LABEL,
dph,
la,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_DATA_POINT_LABEL,
la );
tre.setAction( TextRenderEvent.RENDER_TEXT_AT_LOCATION );
int degree = pc.getDegree( dph.getIndex( ) );
if ( Math.abs( degree ) > 90 )
{
tre.setTextPosition( TextRenderEvent.LEFT );
}
else
{
tre.setTextPosition( TextRenderEvent.RIGHT );
}
if ( Math.abs( degree ) == 90 )
{
tre.setTextPosition( TextRenderEvent.ABOVE );
}
if ( degree == -90 )
{
tre.setTextPosition( TextRenderEvent.BELOW );
}
double dX = -Math.signum( Math.abs( degree ) - 90 ) * space;
double dY = -Math.signum( degree ) * space;
loLabel.translate( dX, dY );
tre.setLocation( loLabel );
// Text render event must be either cached or copied here for
// correct interactivity.
dc.addLabel( tre );
ScriptHandler.callFunction( sh,
ScriptHandler.AFTER_DRAW_DATA_POINT_LABEL,
dph,
la,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_DATA_POINT_LABEL,
la );
}
}
/**
* @param idr
* @param bo
* @throws ChartException
*/
private final void render( IDeviceRenderer idr, Bounds bo, RadarSeries se,
SeriesDefinition sd ) throws ChartException
{
List<Series> rts = sd.getRunTimeSeries( );
int iThisSeriesIndex = rts.indexOf( se );
if ( iThisSeriesIndex == -1 )
iThisSeriesIndex = getSeriesIndex( );
int totalSeriesCnt = getSeriesCount( );
int currSeriesIdx = getSeriesIndex( );
final EList<Fill> elPalette = sd.getSeriesPalette( ).getEntries( );
final AbstractScriptHandler<?> sh = getRunTimeContext( ).getScriptHandler( );
dc = getDeferredCache( );
// render polys biggest to least
// render axes
// render labels
// render markers
Bounds boCA = goFactory.copyOf( bo );
double dh = boCA.getHeight( ) - ( boCA.getHeight( ) * percentReduce );
double dl = boCA.getLeft( ) + ( boCA.getWidth( ) * percentReduce ) / 2;
double dt = boCA.getTop( ) + ( boCA.getHeight( ) * percentReduce ) / 2;
double dw = boCA.getWidth( ) - ( boCA.getWidth( ) * percentReduce );
double centrePointX = Math.round( dl + dw / 2 );
double centrePointY = Math.round( dt + dh / 2 );
double mag = dh / 2;
Location cntpt = goFactory.createLocation( centrePointX, centrePointY );
if ( currSeriesIdx == 1 )
{
if ( BULLSEYE_SUBTYPE_LITERAL.equals( getModel( ).getSubType( ) ) )
{
renderOvalBackgrounds( idr, cntpt, se, mag );
}
}
PolarCoordinate pc = new PolarCoordinate( cntpt,
dpha.length,
getSeriesCount( ) - 1,
getSeriesIndex( ) - 1 );
final boolean bPaletteByCategory = isPaletteByCategory( );
Fill fPaletteEntry = null;
if ( !bPaletteByCategory )
{
fPaletteEntry = FillUtil.getPaletteFill( elPalette,
iThisSeriesIndex );
updateTranslucency( fPaletteEntry, se );
}
Location loAxis = goFactory.createLocation( centrePointX, centrePointY );
List<Location> loList = new LinkedList<Location>( );
for ( int index = 0; index < dpha.length; index++ )
{
DataPointHints dph = dpha[index];
if ( isNaN( dph.getOrthogonalValue( ) ) )
{
if ( !se.isFillPolys( ) )
{
loList.add( null );
}
continue;
}
double currval = ( (Number) dph.getOrthogonalValue( ) ).doubleValue( );
if ( !scaleHelper.getAutoScale( ) )
{
// Do not render points out of bounds.
if ( currval < scaleHelper.getAxisMin( ) )
{
currval = scaleHelper.getAxisMin( );
}
if ( currval > scaleHelper.getAxisMax( ) )
{
currval = scaleHelper.getAxisMax( );
}
}
// Need to do something to give some space at top and center
pc.computeLocation( loAxis, index, mag );
Location lo = pc.createLocation( index,
mag
* ( 1 - ( ( scaleHelper.getAxisMax( ) - currval ) / ( scaleHelper.getAxisMax( ) - scaleHelper.getAxisMin( ) ) ) ) );
loList.add( lo );
if ( bPaletteByCategory )
{
fPaletteEntry = FillUtil.getPaletteFill( elPalette, index );
updateTranslucency( fPaletteEntry, se );
}
LineAttributes llia = se.getLineAttributes( );
if ( se.isPaletteLineColor( ) && index == 0 )
{
llia.setColor( goFactory.copyOf( FillUtil.getColor( fPaletteEntry ) ) );
}
Marker m = se.getMarker( );
if ( m != null )
{
ScriptHandler.callFunction( sh,
ScriptHandler.BEFORE_DRAW_DATA_POINT,
dph,
fPaletteEntry,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_DATA_POINT,
dph );
renderMarker( se,
idr,
m,
lo,
llia,
fPaletteEntry,
dph,
null,
true,
false );
ScriptHandler.callFunction( sh,
ScriptHandler.AFTER_DRAW_DATA_POINT,
dph,
fPaletteEntry,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.AFTER_DRAW_DATA_POINT,
dph );
}
drawSeriesLabel( idr, pc, dph, lo );
}
renderPolys( idr,
loList.toArray( new Location[loList.size( )] ),
se,
sd );
// last for rendering
if ( currSeriesIdx == ( totalSeriesCnt - 1 ) )
{
if ( se.getWebLineAttributes( ) != null
&& se.getWebLineAttributes( ).isVisible( ) )
{
renderAxes( idr, pc, mag );
}
RadarSeries rsd = getFirstSeries( );
if ( rsd.isShowWebLabels( ) )
{
Location loLabel = goFactory.createLocation( 0, 0 );
for ( int sc = 0; sc <= scaleHelper.getScaleCount( ); sc++ )
{
// Use chart plot as structure source instead of series so
// as to web labels interactivity won't be affected by data
// point labels.
final TextRenderEvent stre = ( (EventObjectCache) idr ).getEventObject( StructureSource.createPlot( cm.getPlot( ) ),
TextRenderEvent.class );
Label la = null;
if ( rsd.getWebLabel( ) != null )
{
la = goFactory.copyOf( rsd.getWebLabel( ) );
}
else
{
la = goFactory.copyOf( rsd.getLabel( ) );
}
la.setVisible( true );
stre.setTextPosition( TextRenderEvent.RIGHT );
// use this to set the direction rsd.getLabelPosition();
double lblperc;
if ( sc == 0 )
{
lblperc = scaleHelper.getAxisMin( );
}
else if ( sc == ( scaleHelper.getScaleCount( ) ) )
{
lblperc = scaleHelper.getAxisMax( );
}
else
{
lblperc = ( ( (double) sc / scaleHelper.getScaleCount( ) ) * ( scaleHelper.getAxisMax( ) - scaleHelper.getAxisMin( ) ) )
+ scaleHelper.getAxisMin( );
}
String weblabel = ValueFormatter.format( lblperc,
rsd.getWebLabelFormatSpecifier( ),
rtc.getULocale( ),
getWebLabelDefaultFormat( lblperc ) );
la.getCaption( ).setValue( weblabel );
ScriptHandler.callFunction( sh,
ScriptHandler.BEFORE_DRAW_AXIS_LABEL,
SCRIPT_KEY_WEB,
la,
getRunTimeContext( ).getScriptContext( ) );
getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_AXIS_LABEL,
la );
stre.setLabel( la );
stre.setAction( TextRenderEvent.RENDER_TEXT_AT_LOCATION );