org.zaval.lw.event
Class LwTrackerEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--org.zaval.util.event.EvObject
              |
              +--org.zaval.lw.event.LwTrackerEvent

All Implemented Interfaces:

java.io.Serializable

public class LwTrackerEvent

extends EvObject

This class represents tracker event. The event is performed by the tracker component when: a tracker value has been changed, a new bundle has been added, a bundle has been removed, value changing process has been finished, the information event has been performed.

See Also:

Serialized Form

Field Summary

static int	BUNDLE_ADDED The tracker bundle added event type.
static int	BUNDLE_REMOVED The tracker bundle removed event type.
static int	VALUE_CHANGED The tracker value changed event type.
static int	VALUE_CHANGED_DONE The tracker value changing done event type.
static int	VALUE_INFO The tracker info performed event type.

Fields inherited from class java.util.EventObject

source

Constructor Summary

LwTrackerEvent(LwComponent target, int bi, int bv, int obv, int id)
Constructs the event object with the specified source object, the bundle index, the bundle value, the bundle previous value an the event id.

Method Summary

protected boolean	checkID(int id) The method returns true if the specified id is valid for the event, otherwise returns false.
int	getBundleIndex() Gets the tracker bundle index.
int	getPrevValue() Gets the previous value (for the specified by the event tracker bundle element).
int	getValue() Gets the value (for the specified by the event tracker bundle element).

Methods inherited from class org.zaval.util.event.EvObject

getID

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

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

Field Detail

VALUE_CHANGED

public static final int VALUE_CHANGED

The tracker value changed event type.

BUNDLE_ADDED

public static final int BUNDLE_ADDED

The tracker bundle added event type.

BUNDLE_REMOVED

public static final int BUNDLE_REMOVED

The tracker bundle removed event type.

VALUE_INFO

public static final int VALUE_INFO

The tracker info performed event type.

VALUE_CHANGED_DONE

public static final int VALUE_CHANGED_DONE

The tracker value changing done event type.

Constructor Detail

LwTrackerEvent

public LwTrackerEvent(LwComponent target,
                      int bi,
                      int bv,
                      int obv,
                      int id)

Constructs the event object with the specified source object, the bundle index, the bundle value, the bundle previous value an the event id.

Parameters:

target - the object where the event originated.

bi - the specified bundle id. The value can be -1 if the bundle element is not specified.

bv - the bundle value.

obv - the previous bundle value.

id - the specified event id.

Method Detail

getValue

public int getValue()

Gets the value (for the specified by the event tracker bundle element).

Returns:

a value.

getPrevValue

public int getPrevValue()

Gets the previous value (for the specified by the event tracker bundle element).

Returns:

a previous value.

getBundleIndex

public int getBundleIndex()

Gets the tracker bundle index.

Returns:

a tracker bundle index.

checkID

protected boolean checkID(int id)

Description copied from class: EvObject

The method returns true if the specified id is valid for the event, otherwise returns false. The method is called with the event constructor to test if the event id is valid and if the event is not valid the IllegalArgumentException will be thrown.

Overrides:

checkID in class EvObject

Following copied from class: org.zaval.util.event.EvObject

Parameters:

id - the specified id.