com.zavtech.morpheus.viz.google

Class GChart<P>

java.lang.Object

com.zavtech.morpheus.viz.google.GChart<P>

Type Parameters:

P - the plot type for this chart

All Implemented Interfaces:

Chart<P>

class GChart<P>
extends Object
implements Chart<P>

A Chart implementation that uses the Google Charting library to render charts in a browser

Author:

Xavier Witdouck

This is open source software released under the Apache 2.0 License

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	GChart.LegendAdapter A ChartLegend adapter for Google charts

Field Summary

Fields

Modifier and Type	Field and Description
private GChart.LegendAdapter	legend
private ChartOptions	options
private P	plot
private GChartLabel	subtitle
private GChartLabel	title

Fields inherited from interface com.zavtech.morpheus.viz.chart.Chart

factory

Constructor Summary

Constructors

Constructor and Description
GChart(P plot) Constructor

Method Summary

Modifier and Type	Method and Description
void	accept(JsCode jsCode, String functionName, String divId) Writes a Javascript function with the name specified that will render this chart
private String	createTitle() Returns the title / subtitle combo
private String	getChartType() Returns the Google chart type Javascript class
ChartLegend	legend() Returns the chart legend control for this chart
static void	main(String[] args)
ChartOptions	options() Returns the options interface for this chart
P	plot() Returns the plot interface for this chart
Chart	show() Shows this chart on an appropriate output device
Chart	show(int width, int height) Shows this chart on an appropriate output device
ChartLabel	subtitle() Returns the chart subtitle interface
ChartTheme	theme() Returns the theme interface for this chart
ChartLabel	title() Returns the chart title interface
Chart	writerPng(File file, int width, int height, boolean transparent) Writes a PNH image of the chart to the output stream
Chart	writerPng(OutputStream os, int width, int height, boolean transparent) Writes a PNH image of the chart to the output stream

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.zavtech.morpheus.viz.chart.Chart

create, show, show

Field Detail

plot

private P plot

options

private ChartOptions options

legend

private GChart.LegendAdapter legend

title

private GChartLabel title

subtitle

private GChartLabel subtitle

Constructor Detail

GChart

GChart(P plot)

Constructor

Parameters:

plot - the plot for this chart

Method Detail

plot

public P plot()

Description copied from interface: Chart

Returns the plot interface for this chart

Specified by:

plot in interface Chart<P>

Returns:

the plot interface for this chart

title

public ChartLabel title()

Description copied from interface: Chart

Returns the chart title interface

Specified by:

title in interface Chart<P>

Returns:

chart title interface

subtitle

public ChartLabel subtitle()

Description copied from interface: Chart

Returns the chart subtitle interface

Specified by:

subtitle in interface Chart<P>

Returns:

chart subtitle interface

theme

public ChartTheme theme()

Description copied from interface: Chart

Returns the theme interface for this chart

Specified by:

theme in interface Chart<P>

Returns:

the theme interface

options

public ChartOptions options()

Description copied from interface: Chart

Returns the options interface for this chart

Specified by:

options in interface Chart<P>

Returns:

additional chart options

legend

public ChartLegend legend()

Description copied from interface: Chart

Returns the chart legend control for this chart

Specified by:

legend in interface Chart<P>

Returns:

the legend control interface

show

public Chart show()

Description copied from interface: Chart

Shows this chart on an appropriate output device

Specified by:

show in interface Chart<P>

Returns:

this chart

show

public Chart show(int width,
                  int height)

Description copied from interface: Chart

Shows this chart on an appropriate output device

Specified by:

show in interface Chart<P>

Parameters:

width - the width for chart

height - the height for chart

Returns:

this chart

writerPng

public Chart writerPng(File file,
                       int width,
                       int height,
                       boolean transparent)

Description copied from interface: Chart

Writes a PNH image of the chart to the output stream

Specified by:

writerPng in interface Chart<P>

Parameters:

file - the file reference

width - the image width

height - the image height

transparent - true for a transparent background

Returns:

this chart

writerPng

public Chart writerPng(OutputStream os,
                       int width,
                       int height,
                       boolean transparent)

Description copied from interface: Chart

Writes a PNH image of the chart to the output stream

Specified by:

writerPng in interface Chart<P>

Parameters:

os - the output stream

width - the image width

height - the image height

transparent - true for a transparent background

Returns:

this chart

accept

public void accept(JsCode jsCode,
                   String functionName,
                   String divId)

Description copied from interface: Chart

Writes a Javascript function with the name specified that will render this chart

Specified by:

accept in interface Chart<P>

Parameters:

jsCode - the Javascript code generator

functionName - the function name for this chart's plot instructions

divId - the ID of the div element in which to draw chart

createTitle

private String createTitle()

Returns the title / subtitle combo

Returns:

the title / subtitle combo

getChartType

private String getChartType()

Returns the Google chart type Javascript class

Returns:

the Google chart type

main

public static void main(String[] args)