org.jCharts.axisChart
Class AxisChart

java.lang.Object
  |
  +--org.jCharts.Chart
        |
        +--org.jCharts.axisChart.AxisChart

All Implemented Interfaces:

HTMLChartTestable, java.io.Serializable

Direct Known Subclasses:

ScatterPlotAxisChart

public class AxisChart

extends Chart

implements HTMLChartTestable

This Class is used to create all axis chart types. This class knows how to render charts based on the ChartType specified in on the iAxisChartDataSet.

See Also:

Serialized Form

Field Summary

protected AxisProperties	axisProperties
private IAxisDataSeries	iAxisDataSeries
protected XAxis	xAxis
protected YAxis	yAxis

Fields inherited from class org.jCharts.Chart

Constructor Summary

AxisChart(IAxisDataSeries iAxisDataSeries, ChartProperties chartProperties, AxisProperties axisProperties, LegendProperties legendProperties, int pixelWidth, int pixelHeight)
Constructor

Method Summary

private boolean	allowHorizontalPlot() We only allow horizontal plots for the Bar Chart types in this release.
AxisChartDataProcessor	createAxisChartDataProcessor() ScatterPlots create a subclass of AxisChartDataProcessor so we need this method so we can overload it.
protected void	deriveAxisValues()
AxisProperties	getAxisProperties()
IAxisDataSeries	getIAxisDataSeries()
XAxis	getXAxis()
YAxis	getYAxis()
protected void	overlayCharts() Draws the charts over the axis.
protected void	renderChart() Implement the method to render the Axis based chart
protected void	setupAxis(AxisChartDataProcessor axisChartDataProcessor, java.awt.font.FontRenderContext fontRenderContext)
protected NumericTagGroup	setupDataAxisProperties(Axis axis, DataAxisProperties dataAxisProperties, AxisChartDataProcessor axisChartDataProcessor, java.awt.font.FontRenderContext fontRenderContext) Once we determine which axis is the data axis, the logic to set it up is the same whether it is a horizontal or vertical plot.
private void	sizeAndPositionAxis(float xAxisWidth, float yAxisHeight, float chartTitleHeight) Finalizes the size of both Axis and sets the origin position
void	toHTML(HTMLGenerator htmlGenerator, java.lang.String imageFileName, ImageMap imageMap) Enables the testing routines to display the contents of this Object.
private void	validateHorizontalPlot() Currently, we only support the bar chart types being horizontal, and you can not have a horizontally plotted bar chart in a combo chart.

Methods inherited from class org.jCharts.Chart

getBufferedImage, getChartProperties, getGenerateImageMapFlag, getGraphics2D, getImageHeight, getImageMap, getImageWidth, getLegend, hasLegend, render, renderChartTitle, renderWithImageMap, setGraphics2D, setImageMap

Methods inherited from class java.lang.Object

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

Field Detail

xAxis

protected XAxis xAxis

yAxis

protected YAxis yAxis

axisProperties

protected AxisProperties axisProperties

iAxisDataSeries

private IAxisDataSeries iAxisDataSeries

Constructor Detail

AxisChart

public AxisChart(IAxisDataSeries iAxisDataSeries,
                 ChartProperties chartProperties,
                 AxisProperties axisProperties,
                 LegendProperties legendProperties,
                 int pixelWidth,
                 int pixelHeight)

Constructor

Parameters:

iAxisDataSeries -

chartProperties -

axisProperties -

legendProperties - if no legend is desired, pass NULL

pixelWidth -

pixelHeight -

Method Detail

getIAxisDataSeries

public IAxisDataSeries getIAxisDataSeries()

Returns:

IAxisDataSeries

createAxisChartDataProcessor

public AxisChartDataProcessor createAxisChartDataProcessor()

ScatterPlots create a subclass of AxisChartDataProcessor so we need this method so we can overload it.

Returns:

AxisChartDataProcessor

setupDataAxisProperties

protected NumericTagGroup setupDataAxisProperties(Axis axis,
                                                  DataAxisProperties dataAxisProperties,
                                                  AxisChartDataProcessor axisChartDataProcessor,
                                                  java.awt.font.FontRenderContext fontRenderContext)

Once we determine which axis is the data axis, the logic to set it up is the same whether it is a horizontal or vertical plot.

Parameters:

dataAxisProperties -

axisChartDataProcessor -

fontRenderContext -

Returns:

NumericTagGroup need to set this on the right axis

setupAxis

protected void setupAxis(AxisChartDataProcessor axisChartDataProcessor,
                         java.awt.font.FontRenderContext fontRenderContext)
                  throws ChartDataException

Parameters:

axisChartDataProcessor -

fontRenderContext -

ChartDataException

sizeAndPositionAxis

private void sizeAndPositionAxis(float xAxisWidth,
                                 float yAxisHeight,
                                 float chartTitleHeight)

Finalizes the size of both Axis and sets the origin position

Parameters:

xAxisWidth -

yAxisHeight -

chartTitleHeight -

deriveAxisValues

protected void deriveAxisValues()

renderChart

protected void renderChart()
                    throws ChartDataException,
                           PropertyException

Implement the method to render the Axis based chart

Specified by:

renderChart in class Chart

Throws:

ChartDataException

PropertyException - there are several validations done to aid in development of the charts.

overlayCharts

protected void overlayCharts()
                      throws PropertyException,
                             ChartDataException

Draws the charts over the axis. We have to render in a specific order so combo charts get drawn correctly

Throws:

PropertyException

ChartDataException

validateHorizontalPlot

private void validateHorizontalPlot()
                             throws PropertyException

Currently, we only support the bar chart types being horizontal, and you can not have a horizontally plotted bar chart in a combo chart.

Throws:

PropertyException

allowHorizontalPlot

private boolean allowHorizontalPlot()

We only allow horizontal plots for the Bar Chart types in this release.

Returns:

boolean

getAxisProperties

public AxisProperties getAxisProperties()

getXAxis

public XAxis getXAxis()

getYAxis

public YAxis getYAxis()

toHTML

public void toHTML(HTMLGenerator htmlGenerator,
                   java.lang.String imageFileName,
                   ImageMap imageMap)

Enables the testing routines to display the contents of this Object. Override Chart implementation as PieCharts use AreaProperties directly rather than a child.

Specified by:

toHTML in interface HTMLChartTestable

Overrides:

toHTML in class Chart

Parameters:

htmlGenerator -

imageFileName -

imageMap - if this is NULL we are not creating image map data in html