Package jcckit.plot

Class PlotEvent

java.lang.Object

jcckit.plot.PlotEvent

public class PlotEvent
extends Object

A plot event signales some changes of a Plot. It has three attributes:

• source: Indicates the Plot instance responsible for this event.
• type: The type of event.
• message: The message object. Its meaning depends on the type of event:

  Type	Meaning of the message object
  PlotEventType.DATA_PLOT_CONNECTED, PlotEventType.DATA_PLOT_DISCONNECTED	The DataPlot (dis)connected with the Plot instance specified by the source.
  PlotEventType.DATA_PLOT_CHANGED	An Integer indicating the lowest index of those curves which have been changed.
  PlotEventType.DATA_CURVE_CHANGED	An Integer indicating the index of the curve which has been changed.

Author:

Franz-Josef Elmer

Constructor Summary

Constructors

Constructor	Description
PlotEvent(Plot source, PlotEventType type, Object message)	Creates a new event for the specified source, type, and message.

Method Summary

Modifier and Type	Method	Description
Object	getMessage()	Returns the message object.
Plot	getSource()	Returns the source of this event.
PlotEventType	getType()	Returns the event type.

Methods inherited from class java.lang.Object

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

Constructor Detail

PlotEvent

public PlotEvent(Plot source,
                 PlotEventType type,
                 Object message)

Creates a new event for the specified source, type, and message.

Parameters:

source - Plot causing this event.

type - Type of the event. Possible values are PlotEventType.DATA_PLOT_CHANGED, PlotEventType.DATA_CURVE_CHANGED, PlotEventType.DATA_PLOT_CONNECTED, and PlotEventType.DATA_PLOT_DISCONNECTED.

message - Message object. Can be null

Method Detail

getSource

public Plot getSource()

Returns the source of this event.

getType

public PlotEventType getType()

Returns the event type.

Returns:

either PlotEventType.DATA_PLOT_CHANGED, PlotEventType.DATA_CURVE_CHANGED, PlotEventType.DATA_PLOT_CONNECTED, or PlotEventType.DATA_PLOT_DISCONNECTED.

getMessage

public Object getMessage()

Returns the message object.