de.laures.cewolf.cpp
Class AnnotationProcessor

java.lang.Object
  de.laures.cewolf.cpp.AnnotationProcessor

All Implemented Interfaces:

ChartPostProcessor, java.io.Serializable

public class AnnotationProcessor
extends java.lang.Object
implements ChartPostProcessor, java.io.Serializable

A postprocessor for adding annotation to an X/Y or Category plot. If either arrowPaint or arrowAngle is set then a pointer will be drawn; otherwise, just the text.
text the text to display; mandatory
x (for X/Y plots only) the X value at which to show the text; mandatory
y (for X/Y plots only) the Y value at which to show the text; mandatory
category (for category plots only) the category for which to show the text; mandatory
value (for category plots only) the value at which to show the text; mandatory
fontname optional; default SansSerif
fontsize optional; default 14
bold true/false; optional; default false
italic true/false; optional; default false
textPaint the color to use for the text; optional; default #000000 (i.e., black)
arrowPaint the color to use for the text; optional; default #000000 (i.e., black)
arrowAngle the angle at which to display the arrow; optional; default 0
textAnchor the position of text relative to its origin point; optional; possible values are: BASELINE_CENTER, BASELINE_LEFT, BASELINE_RIGHT, BOTTOM_CENTER, BOTTOM_LEFT, BOTTOM_RIGHT, CENTER, CENTER_LEFT, CENTER_RIGHT, HALF_ASCENT_CENTER, HALF_ASCENT_LEFT, HALF_ASCENT_RIGHT, TOP_CENTER, TOP_LEFT, TOP_RIGHT

See the annotations.jsp page of the sample web app for usage examples.

See Also:

Serialized Form

Constructor Summary

AnnotationProcessor()

Method Summary

void	processChart(org.jfree.chart.JFreeChart chart, java.util.Map<java.lang.String,java.lang.String> params) Processes a generated chart.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AnnotationProcessor

public AnnotationProcessor()

Method Detail

processChart

public void processChart(org.jfree.chart.JFreeChart chart,
                         java.util.Map<java.lang.String,java.lang.String> params)

Description copied from interface: ChartPostProcessor

Processes a generated chart. This method is called by the ChartProducer after a chart instance is generated and before it is rendered (if so). The ChartProducer is responsible for post processing a chart dependant on and only on the provided parameters. This means that the same parameters should result in the same postprocessings.

Specified by:

processChart in interface ChartPostProcessor

Parameters:

chart - the chart instance

params - parameters passed to the postprocessor. These are defined in the JSP

See Also:

ChartPostProcessorTag