java.awt.event
Class ContainerEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--java.awt.AWTEvent
              |
              +--java.awt.event.ComponentEvent
                    |
                    +--java.awt.event.ContainerEvent

All Implemented Interfaces:

Serializable

public class ContainerEvent

extends ComponentEvent

Safe:

See Also:

Serialized Form

Field Summary

(package private) Component	child The non-null component that is being added or removed from the Container.
static int	COMPONENT_ADDED Enabled: This event indicates that a component was added to the container.
static int	COMPONENT_REMOVED Enabled: This event indicates that a component was removed from the container.
static int	CONTAINER_FIRST Enabled: The first number in the range of ids used for container events.
static int	CONTAINER_LAST Enabled: The last number in the range of ids used for container events.
private static long	serialVersionUID

Fields inherited from class java.awt.event.ComponentEvent

COMPONENT_FIRST, COMPONENT_HIDDEN, COMPONENT_LAST, COMPONENT_MOVED, COMPONENT_RESIZED, COMPONENT_SHOWN

Fields inherited from class java.awt.AWTEvent

ACTION_EVENT_MASK, ADJUSTMENT_EVENT_MASK, COMPONENT_EVENT_MASK, consumed, CONTAINER_EVENT_MASK, FOCUS_EVENT_MASK, HIERARCHY_BOUNDS_EVENT_MASK, HIERARCHY_EVENT_MASK, id, INPUT_METHOD_EVENT_MASK, INVOCATION_EVENT_MASK, ITEM_EVENT_MASK, KEY_EVENT_MASK, MOUSE_EVENT_MASK, MOUSE_MOTION_EVENT_MASK, MOUSE_WHEEL_EVENT_MASK, PAINT_EVENT_MASK, RESERVED_ID_MAX, TEXT_EVENT_MASK, WINDOW_EVENT_MASK, WINDOW_FOCUS_EVENT_MASK, WINDOW_STATE_EVENT_MASK

Fields inherited from class java.util.EventObject

source

Constructor Summary

ContainerEvent(Component source, int id, Component child)
Suppressed: Constructs a ContainerEvent object.

Method Summary

Component	getChild() Enabled: Returns the component that was affected by the event.
Container	getContainer() Enabled: Returns the originator of the event.
String	paramString() Suppressed: Returns a parameter string identifying this event.

Methods inherited from class java.awt.event.ComponentEvent

getComponent

Methods inherited from class java.awt.AWTEvent

consume, getID, isConsumed, setSource, toString

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

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

Field Detail

CONTAINER_FIRST

public static final int CONTAINER_FIRST

Enabled: The first number in the range of ids used for container events.

CONTAINER_LAST

public static final int CONTAINER_LAST

Enabled: The last number in the range of ids used for container events.

COMPONENT_ADDED

public static final int COMPONENT_ADDED

Enabled: This event indicates that a component was added to the container.

COMPONENT_REMOVED

public static final int COMPONENT_REMOVED

Enabled: This event indicates that a component was removed from the container.

child

Component child

The non-null component that is being added or removed from the Container.

See Also:

getChild

serialVersionUID

private static final long serialVersionUID

Constructor Detail

ContainerEvent

public ContainerEvent(Component source,
                      int id,
                      Component child)

Suppressed: Constructs a ContainerEvent object.

Note that passing in an invalid id results in unspecified behavior.

Parameters:

source - the Component object (container) that originated the event

id - an integer indicating the type of event

child - the component that was added or removed

Method Detail

getContainer

public Container getContainer()

Enabled: Returns the originator of the event.

Returns:

the Container object that originated the event

getChild

public Component getChild()

Enabled: Returns the component that was affected by the event.

Returns:

the Component object that was added or removed

paramString

public String paramString()

Suppressed: Returns a parameter string identifying this event. This method is useful for event-logging and for debugging.

Overrides:

paramString in class ComponentEvent

Returns:

a string identifying the event and its attributes