java.awt.event
Class ContainerEvent
java.lang.Object
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+--java.util.EventObject
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+--java.awt.AWTEvent
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+--java.awt.event.ComponentEvent
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+--java.awt.event.ContainerEvent
This event is generated when a component is added or removed from a
container. Applications do not ordinarily need to handle these events
since the AWT system handles them internally.
Since:Author:- Aaron M. Renn <arenn@urbanophile.com>
See Also:
COMPONENT_ADDED
public static final int COMPONENT_ADDEDThis id indicates a component was added to the container.
COMPONENT_REMOVED
public static final int COMPONENT_REMOVEDThis id indicates a component was removed from the container.
CONTAINER_FIRST
public static final int CONTAINER_FIRSTThis is the first id in the id range used by this class.
CONTAINER_LAST
public static final int CONTAINER_LASTThis is the last id in the id range used by this class.
ContainerEvent
public ContainerEvent(java.awt.Component source, int id, java.awt.Component child) Initializes a new instance of ContainerEvent with the
specified source and id. Additionally, the affected child component
is also passed as a parameter. Note that an invalid id leads to
unspecified results.
Parameters:
Throws:
getChild
public Component getChild() This method returns the child object that was added or removed from
the container.
Returns:
- the child object added or removed
getContainer
public Container getContainer() Returns the source of this event as a Container.
Returns:
Throws:
paramString
public String paramString() This method returns a string identifying this event. It is formatted as:
(getID() == COMPONENT_ADDED ? "COMPONENT_ADDED"
: "COMPONENT_REMOVED") + ",child=" + getChild().getName().
Returns:
- a string identifying this event