Package org.jfree.chart.event

Class ChartChangeEvent

java.lang.Object

java.util.EventObject

org.jfree.chart.event.ChartChangeEvent

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

AxisChangeEvent, LegendChangeEvent, PlotChangeEvent, RendererChangeEvent, TitleChangeEvent

public class ChartChangeEvent
extends EventObject

A change event that encapsulates information about a change to a chart.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static int	GENERAL	Event type indicating a general change to a chart (typically just requires a redraw).
static int	NEW_DATASET	Event type indicating that the chart has a new dataset.
static int	UPDATED_DATASET	Event type indicating that the chart's data source has been modified.

Constructor Summary

Constructors

Constructor	Description
ChartChangeEvent(Object source)	Creates a new chart change event.
ChartChangeEvent(Object source, JFreeChart chart)	Creates a new chart change event.
ChartChangeEvent(Object source, JFreeChart chart, int type)	Creates a new chart change event.

Method Summary

Modifier and Type	Method	Description
JFreeChart	getChart()	Returns the chart that generated the change event.
int	getType()	Returns the event type.
void	setChart(JFreeChart chart)	Sets the chart that generated the change event.
void	setType(int type)	Sets the event type.

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

GENERAL

public static final int GENERAL

Event type indicating a general change to a chart (typically just requires a redraw).

See Also:

Constant Field Values

NEW_DATASET

public static final int NEW_DATASET

Event type indicating that the chart has a new dataset.

See Also:

Constant Field Values

UPDATED_DATASET

public static final int UPDATED_DATASET

Event type indicating that the chart's data source has been modified.

See Also:

Constant Field Values

Constructor Details

ChartChangeEvent

public ChartChangeEvent(Object source)

Creates a new chart change event.

Parameters:

source - the source of the event (could be the chart, a title, an axis etc.)

ChartChangeEvent

public ChartChangeEvent(Object source,
JFreeChart chart)

Creates a new chart change event.

Parameters:

source - the source of the event (could be the chart, a title, an axis etc.)

chart - the chart that generated the event.

ChartChangeEvent

public ChartChangeEvent(Object source,
JFreeChart chart,
int type)

Creates a new chart change event.

Parameters:

source - the source of the event (could be the chart, a title, an axis etc.)

chart - the chart that generated the event.

type - the type of event.

Method Details

getChart

public JFreeChart getChart()

Returns the chart that generated the change event.

Returns:

the chart that generated the change event.

setChart

public void setChart(JFreeChart chart)

Sets the chart that generated the change event.

Parameters:

chart - the chart that generated the event.

getType

public int getType()

Returns the event type.

Returns:

the event type.

setType

public void setType(int type)

Sets the event type.

Parameters:

type - the event type.