de.laures.cewolf.cpp
Class DialEnhancer

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

All Implemented Interfaces:

ChartPostProcessor, java.io.Serializable

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

A postprocessor for changing details of a Dial plot.
pointerType "pin" or "pointer"; default pointer
dialText text to display on the dial; optional
lowerBound optional; default 0; starting value for the scale
upperBound optional; default 100; end value for the scale
majorTickIncrement optional; default 10; value increment between major tick marks
minorTickCount optional; default 4; minor tick marks to put between major tick marks

Usage:

<chart:chartpostprocessor id="dialEnhancer">
<chart:param name="pointerType" value="pin"/>
<chart:param name="dialText" value="(km/h)"/>
<chart:param name="lowerBound" value="0.1"/>
<chart:param name="upperBound" value="0.1"/>
<chart:param name="majorTickIncrement" value="20"/>
<chart:param name="minorTickCount" value="9"/>
</chart:chartpostprocessor>

See Also:

Serialized Form

Constructor Summary

DialEnhancer()

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

DialEnhancer

public DialEnhancer()

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