Home » Archived » BIRT » chart engine API questions
| |
| Re: chart engine API questions [message #686055 is a reply to message #685969] |
Tue, 21 June 2011 14:24  |
|
For interactivity you need to have the UPDATE_NOTIFIER property set and you have to get the image map
for the chart and embed in your output,
String im = ((IImageMapEmitter) dRenderer).getImageMap();
Take a look at the attached example. It also shows how to do pie chart percentage.
Jason
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.BufferedWriter;
import java.io.FileWriter;
import org.eclipse.birt.chart.api.ChartEngine;
import org.eclipse.birt.chart.device.EmptyUpdateNotifier;
import org.eclipse.birt.chart.device.IDeviceRenderer;
import org.eclipse.birt.chart.device.IDisplayServer;
import org.eclipse.birt.chart.device.IImageMapEmitter;
import org.eclipse.birt.chart.factory.GeneratedChartState;
import org.eclipse.birt.chart.factory.IGenerator;
import org.eclipse.birt.chart.model.Chart;
import org.eclipse.birt.chart.model.ChartWithAxes;
import org.eclipse.birt.chart.model.attribute.ActionType;
import org.eclipse.birt.chart.model.attribute.ActionValue;
import org.eclipse.birt.chart.model.attribute.Anchor;
import org.eclipse.birt.chart.model.attribute.AxisType;
import org.eclipse.birt.chart.model.attribute.Bounds;
import org.eclipse.birt.chart.model.attribute.ChartDimension;
import org.eclipse.birt.chart.model.attribute.DataPointComponent;
import org.eclipse.birt.chart.model.attribute.DataPointComponentType;
import org.eclipse.birt.chart.model.attribute.IntersectionType;
import org.eclipse.birt.chart.model.attribute.LeaderLineStyle;
import org.eclipse.birt.chart.model.attribute.LegendItemType;
import org.eclipse.birt.chart.model.attribute.LineStyle;
import org.eclipse.birt.chart.model.attribute.Position;
import org.eclipse.birt.chart.model.attribute.TickStyle;
import org.eclipse.birt.chart.model.attribute.TriggerCondition;
import org.eclipse.birt.chart.model.attribute.impl.BoundsImpl;
import org.eclipse.birt.chart.model.attribute.impl.ColorDefinitionImpl;
import org.eclipse.birt.chart.model.attribute.impl.DataPointComponentImpl;
import org.eclipse.birt.chart.model.attribute.impl.GradientImpl;
import org.eclipse.birt.chart.model.attribute.impl.JavaNumberFormatSpecifierImpl;
import org.eclipse.birt.chart.model.attribute.impl.LineAttributesImpl;
import org.eclipse.birt.chart.model.attribute.impl.TooltipValueImpl;
import org.eclipse.birt.chart.model.attribute.impl.URLValueImpl;
import org.eclipse.birt.chart.model.component.Axis;
import org.eclipse.birt.chart.model.component.Series;
import org.eclipse.birt.chart.model.component.impl.SeriesImpl;
import org.eclipse.birt.chart.model.data.Action;
import org.eclipse.birt.chart.model.data.BaseSampleData;
import org.eclipse.birt.chart.model.data.DataFactory;
import org.eclipse.birt.chart.model.data.NullDataSet;
import org.eclipse.birt.chart.model.data.NumberDataSet;
import org.eclipse.birt.chart.model.data.OrthogonalSampleData;
import org.eclipse.birt.chart.model.data.SampleData;
import org.eclipse.birt.chart.model.data.SeriesDefinition;
import org.eclipse.birt.chart.model.data.TextDataSet;
import org.eclipse.birt.chart.model.data.Trigger;
import org.eclipse.birt.chart.model.data.impl.ActionImpl;
import org.eclipse.birt.chart.model.data.impl.NullDataSetImpl;
import org.eclipse.birt.chart.model.data.impl.NumberDataSetImpl;
import org.eclipse.birt.chart.model.data.impl.SeriesDefinitionImpl;
import org.eclipse.birt.chart.model.data.impl.TextDataSetImpl;
import org.eclipse.birt.chart.model.data.impl.TriggerImpl;
import org.eclipse.birt.chart.model.impl.ChartWithAxesImpl;
import org.eclipse.birt.chart.model.impl.ChartWithoutAxesImpl;
import org.eclipse.birt.chart.model.layout.Legend;
import org.eclipse.birt.chart.model.layout.Plot;
import org.eclipse.birt.chart.model.type.BarSeries;
import org.eclipse.birt.chart.model.type.PieSeries;
import org.eclipse.birt.chart.model.type.impl.BarSeriesImpl;
import org.eclipse.birt.chart.model.type.impl.PieSeriesImpl;
import org.eclipse.birt.core.framework.PlatformConfig;
/**
* Test decription:
* </p>
* Chart script: BeforeDrawLegendItem()
* </p>
*/
public class StandaloneChart {
private static String OUTPUT = "output/Standalone.png"; //$NON-NLS-1$
private static String OUTPUT_HTML = "output/Standalone.html"; //$NON-NLS-1$
/**
* Comment for <code>serialVersionUID</code>
*/
private static final long serialVersionUID = 1L;
/**
* A chart model instance
*/
private Chart cm = null;
/**
* The swing rendering device
*/
private IDeviceRenderer dRenderer = null;
private IDisplayServer dServer = null;
private GeneratedChartState gcs = null;
/**
* execute application
*
* @param args
*/
public static void main(String[] args) {
new StandaloneChart();
System.out.println("Finished");
}
/**
* Constructor
*/
public StandaloneChart() {
PlatformConfig pf = new PlatformConfig();
pf.setProperty("STANDALONE", true);
//Returns a singleton instance of the Chart Engine
ChartEngine ce = ChartEngine.instance(pf);
//Returns a singleton instance of the Generator
IGenerator gr = ce.getGenerator();
try {
//device renderers for dv.SWT, dv.PNG, dv.JPG
//dv.PDF, dv.SVG, dv.SWING, dv.PNG24, div.BMP
dRenderer = ce.getRenderer("dv.PNG");
dServer = dRenderer.getDisplayServer();
} catch (Exception ex) {
ex.printStackTrace();
}
//cm = StandaloneChart.createStackedBar();
cm = StandaloneChart.showTooltip_PieChart();
BufferedImage img = new BufferedImage(600, 600,
BufferedImage.TYPE_INT_ARGB);
Graphics g = img.getGraphics();
Graphics2D g2d = (Graphics2D) g;
//Look at IDeviceRenderer.java for all properties
//like DPI_RESOLUTION
//FILE_IDENTIFIER
//FORMAT_IDENTIFIER
//UPDATE_NOTIFIER
dRenderer.setProperty(IDeviceRenderer.GRAPHICS_CONTEXT, g2d);
dRenderer.setProperty(IDeviceRenderer.FILE_IDENTIFIER, OUTPUT); //$NON-NLS-1$
//Set the bounds for the entire chart
Bounds bo = BoundsImpl.create(0, 0, 600, 600);
bo.scale(72d / dRenderer.getDisplayServer().getDpiResolution());
try {
gcs = gr.build(dServer, cm, bo, null, null, null);
//gcs.getRunTimeContext().setActionRenderer( new MyActionRenderer());
//have to have this line if you want the image map generated
dRenderer.setProperty(IDeviceRenderer.UPDATE_NOTIFIER,
new EmptyUpdateNotifier(cm, gcs.getChartModel()));
gr.render(dRenderer, gcs);
String im = ((IImageMapEmitter) dRenderer).getImageMap();
BufferedWriter out = new BufferedWriter(new FileWriter(OUTPUT_HTML));
out.write("<html>");
out.newLine();
out.write("<body>");
out.newLine();
out.write("<div>");
out.newLine();
if( im != null){
out.write("<map name='testmap'>");
out.write(im);
out.write("</map>");
out.newLine();
}
out
.write("<img id=myimage src='standalone.png' usemap='#testmap'></img>");
out.newLine();
out.write("</div>");
out.newLine();
out.write("</body>");
out.newLine();
out.write("</html>");
out.newLine();
out.close();
System.out.println(im);
} catch (Exception e) {
e.printStackTrace();
}
}
public static final Chart createStackedBar()
{
ChartWithAxes cwaBar = ChartWithAxesImpl.create();
cwaBar.setType("Bar Chart"); //$NON-NLS-1$
cwaBar.setSubType("Stacked"); //$NON-NLS-1$
// Plot
cwaBar.getBlock().setBackground(ColorDefinitionImpl.WHITE());
cwaBar.getBlock().getOutline().setVisible(true);
Plot p = cwaBar.getPlot();
p.getClientArea().setBackground(ColorDefinitionImpl.create(255,
255,
225));
// Title
cwaBar.getTitle()
.getLabel()
.getCaption()
.setValue("Stacked Bar Chart"); //$NON-NLS-1$
// Legend
Legend lg = cwaBar.getLegend();
lg.setItemType(LegendItemType.CATEGORIES_LITERAL);
//Add Script
cwaBar
.setScript("function beforeGeneration( cm, icsc )"
+ "{importPackage(Packages.org.eclipse.birt.chart.model.attribute); "
+ " importPackage(Packages.org.eclipse.birt.chart.model.attribute.impl); "
+ " cm.getLegend().getOutline( ).setStyle( LineStyle.DASH_DOTTED_LITERAL );"
+ " cm.getLegend().getOutline( ).setColor( ColorDefinitionImpl.GREEN() );"
+ " cm.getLegend().getOutline( ).setVisible( true );} ");
// X-Axis
Axis xAxisPrimary = cwaBar.getPrimaryBaseAxes()[0];
xAxisPrimary.setType(AxisType.LINEAR_LITERAL);
xAxisPrimary.getMajorGrid().setTickStyle(TickStyle.BELOW_LITERAL);
xAxisPrimary.getOrigin().setType(IntersectionType.MIN_LITERAL);
xAxisPrimary.getLabel().getCaption().getFont().setRotation(90);
// Y-Axis
Axis yAxisPrimary = cwaBar.getPrimaryOrthogonalAxis(xAxisPrimary);
yAxisPrimary.getMajorGrid().setTickStyle(TickStyle.LEFT_LITERAL);
yAxisPrimary.setType(AxisType.LINEAR_LITERAL);
yAxisPrimary.setLabelPosition(Position.RIGHT_LITERAL);
// Data Set
TextDataSet categoryValues = TextDataSetImpl.create(new String[] {
"Item 1a", "Item 2", "Item 3", "Item 4", "Item 5" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
NumberDataSet orthoValues1 = NumberDataSetImpl.create(new double[] {
25, 35, 15, 5, 20
});
NumberDataSet orthoValues2 = NumberDataSetImpl.create(new double[] {
5, 10, 25, 10, 5
});
NullDataSet ortho = NullDataSetImpl.create(5);
SampleData sd = DataFactory.eINSTANCE.createSampleData();
BaseSampleData sdBase = DataFactory.eINSTANCE.createBaseSampleData();
sdBase.setDataSetRepresentation("");//$NON-NLS-1$
sd.getBaseSampleData().add(sdBase);
OrthogonalSampleData sdOrthogonal1 = DataFactory.eINSTANCE
.createOrthogonalSampleData();
sdOrthogonal1.setDataSetRepresentation("");//$NON-NLS-1$
sdOrthogonal1.setSeriesDefinitionIndex(0);
sd.getOrthogonalSampleData().add(sdOrthogonal1);
OrthogonalSampleData sdOrthogonal2 = DataFactory.eINSTANCE
.createOrthogonalSampleData();
sdOrthogonal2.setDataSetRepresentation("");//$NON-NLS-1$
sdOrthogonal2.setSeriesDefinitionIndex(1);
sd.getOrthogonalSampleData().add(sdOrthogonal2);
cwaBar.setSampleData(sd);
// X-Series
Series seCategory = SeriesImpl.create();
seCategory.setDataSet(orthoValues2);
SeriesDefinition sdX = SeriesDefinitionImpl.create();
xAxisPrimary.getSeriesDefinitions().add(sdX);
sdX.getSeries().add(seCategory);
sdX.getSeriesPalette().shift(0);
// Y-Series
BarSeries bs1 = (BarSeries) BarSeriesImpl.create();
bs1.setDataSet(orthoValues1);
//bs1.setDataSet(ortho);
bs1.setStacked(true);
bs1.getLabel().setVisible(true);
bs1.setLabelPosition(Position.INSIDE_LITERAL);
bs1.setRiserOutline(ColorDefinitionImpl.TRANSPARENT());
Trigger tr1 = TriggerImpl.create(TriggerCondition.ONMOUSEOVER_LITERAL,
ActionImpl.create(ActionType.SHOW_TOOLTIP_LITERAL,
TooltipValueImpl.create(200, null)));
Trigger tr2 = TriggerImpl.create(TriggerCondition.ONCLICK_LITERAL,
ActionImpl.create(ActionType.URL_REDIRECT_LITERAL, URLValueImpl
.create("https://www.google.com", null, "component",
"value", "")));
bs1.getTriggers().add(tr1);
bs1.getTriggers().add(tr2);
SeriesDefinition sdY = SeriesDefinitionImpl.create();
sdY.getSeriesPalette().shift(0);
yAxisPrimary.getSeriesDefinitions().add(sdY);
sdY.getSeries().add(bs1);
return cwaBar;
}
public static final Chart showTooltip_PieChart( )
{
ChartWithoutAxesImpl cwoaPie = (ChartWithoutAxesImpl)ChartWithoutAxesImpl.create( );
// Chart Type
cwoaPie.setType( "Pie Chart" );
cwoaPie
.setDimension( ChartDimension.TWO_DIMENSIONAL_WITH_DEPTH_LITERAL );
// Title
cwoaPie.getTitle( ).getLabel( ).getCaption( ).setValue(
"Sample Pie Chart" );
cwoaPie.getBlock( ).setBounds( BoundsImpl.create( 0, 0, 252, 288 ) );
cwoaPie.getBlock( ).getOutline( ).setVisible( true );
// Plot
cwoaPie.getPlot( ).getClientArea( ).getOutline( ).setVisible( false );
cwoaPie.getPlot( ).getClientArea( ).setBackground(
ColorDefinitionImpl.create( 255, 255, 225 ) );
// Legend
Legend lg = cwoaPie.getLegend( );
lg.getText( ).getFont( ).setSize( 16 );
lg.getInsets( ).set( 10, 5, 0, 0 );
lg.getOutline( ).setStyle( LineStyle.DASH_DOTTED_LITERAL );
lg.getOutline( ).setColor( ColorDefinitionImpl.create( 214, 100, 12 ) );
lg.getOutline( ).setVisible( true );
lg
.setBackground( GradientImpl.create( ColorDefinitionImpl
.create( 225, 225, 255 ), ColorDefinitionImpl.create(
255,
255,
225 ), -35, false ) );
lg.setAnchor( Anchor.EAST_LITERAL );
lg.setItemType( LegendItemType.CATEGORIES_LITERAL );
lg.getClientArea( ).setBackground( ColorDefinitionImpl.ORANGE( ) );
lg.setPosition( Position.LEFT_LITERAL );
//lg.setOrientation( Orientation.VERTICAL_LITERAL );
// Data Set
TextDataSet dsStringValue = TextDataSetImpl.create( new String[]{
"Keyboards", "Moritors", "Printers", "Mortherboards"} );
NumberDataSet dsNumericValues1 = NumberDataSetImpl
.create( new double[]{143.26, 156.55, 95.25, 47.56} );
// Series
Series seCategory = SeriesImpl.create( );
seCategory.setDataSet( dsStringValue );
SeriesDefinition series = SeriesDefinitionImpl.create( );
cwoaPie.getSeriesDefinitions( ).add( series );
series.getSeries( ).add( seCategory );
PieSeries ps = (PieSeries) PieSeriesImpl.create( );
ps.getLabel( ).getCaption( ).setColor( ColorDefinitionImpl.RED( ) );
ps.getLabel( ).setBackground( ColorDefinitionImpl.CYAN( ) );
ps.getLabel( ).setVisible( true );
ps.setSeriesIdentifier( "Actuate" );
ps.setDataSet( dsNumericValues1 );
ps.setLeaderLineAttributes( LineAttributesImpl.create(
ColorDefinitionImpl.create( 239, 33, 3 ),
LineStyle.DASH_DOTTED_LITERAL,
3 ) );
ps.setLeaderLineStyle( LeaderLineStyle.FIXED_LENGTH_LITERAL );
ps.setExplosion( 0 );
ps.setSliceOutline( ColorDefinitionImpl.BLACK( ) );
ActionValue actionValue = TooltipValueImpl.create(0, null);
Action action = ActionImpl.create(ActionType.SHOW_TOOLTIP_LITERAL, actionValue);
Trigger mouseOver = TriggerImpl.create(TriggerCondition.ONMOUSEOVER_LITERAL,action);
ps.getTriggers().add(mouseOver);
SeriesDefinition seGroup1 = SeriesDefinitionImpl.create( );
//series.getSeriesPalette( ).update( -2 );
series.getSeriesDefinitions( ).add( seGroup1 );
seGroup1.getSeries( ).add( ps );
DataPointComponent dpc = DataPointComponentImpl.create( DataPointComponentType.PERCENTILE_ORTHOGONAL_VALUE_LITERAL,
JavaNumberFormatSpecifierImpl.create( "##.##%" )); //$NON-NLS-1$
ps.getDataPoint( ).getComponents( ).clear( );
ps.getDataPoint( ).getComponents( ).add( dpc );
return cwoaPie;
}
}
|
|
|
Goto Forum:
Current Time: Sat May 11 03:47:31 GMT 2024
Powered by FUDForum. Page generated in 0.04083 seconds |
] 
Search
Help
Register
Login
Home
