net.sf.fmj.media
Class AbstractControls

java.lang.Object
  net.sf.fmj.media.AbstractControls

All Implemented Interfaces:

Controls

Direct Known Subclasses:

AbstractPlugIn

public abstract class AbstractControls
extends java.lang.Object
implements Controls

Abstract implementation of Controls, useful for subclassing.

Author:

Ken Larson, Warren Bloomer

Constructor Summary

AbstractControls()

Method Summary

protected void	addControl(Control control) Called by subclasses of this Abstract class to add a control.
java.lang.Object	getControl(java.lang.String controlType) Retrieve the first object that implements the given Class or Interface.
java.lang.Object[]	getControls() Retrieve an array of objects that control the object.
protected void	removeControl(Control control) Remove a control object from the list of controls for this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractControls

public AbstractControls()

Method Detail

getControls

public java.lang.Object[] getControls()

Retrieve an array of objects that control the object. If no controls are supported, a zero length array is returned.

Specified by:

getControls in interface Controls

Returns:

the array of object controls

getControl

public java.lang.Object getControl(java.lang.String controlType)

Retrieve the first object that implements the given Class or Interface. The full class name must be used. If the control is not supported then null is returned.

Specified by:

getControl in interface Controls

Returns:

the object that implements the control, or null.

addControl

protected void addControl(Control control)

Called by subclasses of this Abstract class to add a control.

Parameters:

control - The control object to add to the controls list.

removeControl

protected void removeControl(Control control)

Remove a control object from the list of controls for this object. Will be used by subclasses of this Abstract class.

Parameters:

control - the control object to remove from the list.