com.klg.jclass.chart
Class ChartDataSupport

java.lang.Object
  |
  +--com.klg.jclass.chart.ChartDataSupport

All Implemented Interfaces:

ChartDataManager, Serializable

Direct Known Subclasses:

BaseDataSource, JCChartSwingDataSource

public class ChartDataSupport

extends Object

implements ChartDataManager, Serializable

Class used to implement the ChartDataManager interface.

See Also:

Serialized Form

Field Summary

protected Object

source

Constructor Summary

ChartDataSupport()
The default constructor for a ChartDataSupport object.

ChartDataSupport(Object dataSrc)
Constructor used to create a ChartDataSupport object with a given data source.

Method Summary

void	addChartDataListener(com.klg.jclass.chart.ChartDataListener l) Adds a chart data listener.
void	fireChartDataEvent(com.klg.jclass.chart.ChartDataEvent evt) Fires a chart data event to any registered listeners.
void	fireChartDataEvent(int type, int seriesIndex, int pointIndex) Fires a chart data event to any registered listeners.
void	removeChartDataListener(com.klg.jclass.chart.ChartDataListener l) Removes a chart data listener.

Methods inherited from class java.lang.Object

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

Field Detail

source

protected Object source

Constructor Detail

ChartDataSupport

public ChartDataSupport()

The default constructor for a ChartDataSupport object.

ChartDataSupport

public ChartDataSupport(Object dataSrc)

Constructor used to create a ChartDataSupport object with a given data source.

Parameters:

dataSrc - the data source

Method Detail

addChartDataListener

public void addChartDataListener(com.klg.jclass.chart.ChartDataListener l)

Adds a chart data listener.

Specified by:

addChartDataListener in interface ChartDataManager

Parameters:

l - the chart data listener object to be added

removeChartDataListener

public void removeChartDataListener(com.klg.jclass.chart.ChartDataListener l)

Removes a chart data listener.

Specified by:

removeChartDataListener in interface ChartDataManager

Parameters:

l - chart data listener object to be removed

fireChartDataEvent

public void fireChartDataEvent(int type,
                               int seriesIndex,
                               int pointIndex)

Fires a chart data event to any registered listeners. This version of fireChartDataEvent() will create a ChartDataEvent object out of the type, series index, and point index.

Parameters:

type - data change type to pass to the views

seriesIndex - index of series affected by the change

pointIndex - index of point affected by the change

fireChartDataEvent

public void fireChartDataEvent(com.klg.jclass.chart.ChartDataEvent evt)

Fires a chart data event to any registered listeners.

Parameters:

evt - the chart data model update