ContainerEvent JDK 1.6)

Description

public class ContainerEvent

A low-level event which indicates that a container's contents changed because a component was added or removed.

See also: ContainerAdapter ContainerListener Tutorial: Writing a Container Listener

Constructors

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

Constructs a ContainerEvent object.

Note that passing in an invalid id results in unspecified behavior. This method throws an IllegalArgumentException if source is null.
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
Throws:
- IllegalArgumentException - if source is null

Methods

Hide/Show inherited methods

protected void consume () [Inherited From AWTEvent]

Consumes this event, if this event can be consumed.

public Component getChild ()

Returns the component that was affected by the event.

public Component getComponent () [Inherited From ComponentEvent]

Returns the originator of the event.

Returns the originator of the event.
Returns: the Component object that originated the event, or null if the object is not a Component.

public Container getContainer ()

Returns the originator of the event.

Returns the originator of the event.
Returns: the Container object that originated the event, or null if the object is not a Container.

public int getID () [Inherited From AWTEvent]

Returns the event type.

public Object getSource () [Inherited From EventObject]

The object on which the Event initially occurred.

protected boolean isConsumed () [Inherited From AWTEvent]

Returns whether this event has been consumed.

public String paramString () [Overrides ComponentEvent]

Returns a parameter string identifying this event.

public void setSource (Object newSource) [Inherited From AWTEvent]

Retargets an event to a new source.

public String toString () [Inherited From AWTEvent]

Returns a String representation of this object.

Fields

Hide/Show inherited fields

publicfinalstatic long ACTION_EVENT_MASK = "128" [Inherited From AWTEvent]

The event mask for selecting action events.

publicfinalstatic long ADJUSTMENT_EVENT_MASK = "256" [Inherited From AWTEvent]

The event mask for selecting adjustment events.

pack-private Component child

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

publicfinalstatic int COMPONENT_ADDED = "300"

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

publicfinalstatic long COMPONENT_EVENT_MASK = "1" [Inherited From AWTEvent]

The event mask for selecting component events.

publicfinalstatic int COMPONENT_FIRST = "100" [Inherited From ComponentEvent]

The first number in the range of ids used for component events.

publicfinalstatic int COMPONENT_HIDDEN = "103" [Inherited From ComponentEvent]

This event indicates that the component was rendered invisible.

publicfinalstatic int COMPONENT_LAST = "103" [Inherited From ComponentEvent]

The last number in the range of ids used for component events.

publicfinalstatic int COMPONENT_MOVED = "100" [Inherited From ComponentEvent]

This event indicates that the component's position changed.

publicfinalstatic int COMPONENT_REMOVED = "301"

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

publicfinalstatic int COMPONENT_RESIZED = "101" [Inherited From ComponentEvent]

This event indicates that the component's size changed.

publicfinalstatic int COMPONENT_SHOWN = "102" [Inherited From ComponentEvent]

This event indicates that the component was made visible.

protected boolean consumed [Inherited From AWTEvent]

Controls whether or not the event is sent back down to the peer once the source has processed it - false means it's sent to the peer; true means it's not.

publicfinalstatic long CONTAINER_EVENT_MASK = "2" [Inherited From AWTEvent]

The event mask for selecting container events.

publicfinalstatic int CONTAINER_FIRST = "300"

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

publicfinalstatic int CONTAINER_LAST = "301"

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

publicfinalstatic long FOCUS_EVENT_MASK = "4" [Inherited From AWTEvent]

The event mask for selecting focus events.

publicfinalstatic long HIERARCHY_BOUNDS_EVENT_MASK = "65536" [Inherited From AWTEvent]

The event mask for selecting hierarchy bounds events.

publicfinalstatic long HIERARCHY_EVENT_MASK = "32768" [Inherited From AWTEvent]

The event mask for selecting hierarchy events.

protected int id [Inherited From AWTEvent]

The event's id.

publicfinalstatic long INPUT_METHOD_EVENT_MASK = "2048" [Inherited From AWTEvent]

The event mask for selecting input method events.

publicfinalstatic long INVOCATION_EVENT_MASK = "16384" [Inherited From AWTEvent]

The event mask for selecting invocation events.

publicfinalstatic long ITEM_EVENT_MASK = "512" [Inherited From AWTEvent]

The event mask for selecting item events.

publicfinalstatic long KEY_EVENT_MASK = "8" [Inherited From AWTEvent]

The event mask for selecting key events.

publicfinalstatic long MOUSE_EVENT_MASK = "16" [Inherited From AWTEvent]

The event mask for selecting mouse events.

publicfinalstatic long MOUSE_MOTION_EVENT_MASK = "32" [Inherited From AWTEvent]

The event mask for selecting mouse motion events.

publicfinalstatic long MOUSE_WHEEL_EVENT_MASK = "131072" [Inherited From AWTEvent]

The event mask for selecting mouse wheel events.

publicfinalstatic long PAINT_EVENT_MASK = "8192" [Inherited From AWTEvent]

The event mask for selecting paint events.

publicfinalstatic int RESERVED_ID_MAX = "1999" [Inherited From AWTEvent]

The maximum value for reserved AWT event IDs.

protectedtransient Object source [Inherited From EventObject]

The object on which the Event initially occurred.

publicfinalstatic long TEXT_EVENT_MASK = "1024" [Inherited From AWTEvent]

The event mask for selecting text events.

publicfinalstatic long WINDOW_EVENT_MASK = "64" [Inherited From AWTEvent]

The event mask for selecting window events.

publicfinalstatic long WINDOW_FOCUS_EVENT_MASK = "524288" [Inherited From AWTEvent]

The event mask for selecting window focus events.

publicfinalstatic long WINDOW_STATE_EVENT_MASK = "262144" [Inherited From AWTEvent]

The event mask for selecting window state events.