net.sf.fmj.ejmf.toolkit.gui.controls
Class StandardGainControl

java.lang.Object
  net.sf.fmj.ejmf.toolkit.gui.controls.AbstractListenerControl
      net.sf.fmj.ejmf.toolkit.gui.controls.ActionListenerControl
          net.sf.fmj.ejmf.toolkit.gui.controls.AbstractGainControl
              net.sf.fmj.ejmf.toolkit.gui.controls.StandardGainControl

All Implemented Interfaces:

Control, GainChangeListener

public class StandardGainControl
extends AbstractGainControl
implements GainChangeListener

Gain Control for Standard Control Panel. Provides two Components, one each for increasing and decreasing gain.

See Also:

AbstractGainControl

Field Summary

Fields inherited from class net.sf.fmj.ejmf.toolkit.gui.controls.AbstractListenerControl

skin

Constructor Summary

StandardGainControl(Skin skin)
Create a StandardGainControl

StandardGainControl(Skin skin, Controller controller)
Create a StandardGainControl and associate it with a Controller.

Method Summary

protected void	addControlListener(java.util.EventListener listener) Over-rides addControlListener from AbstractActionListener because this Component is a JPanel and buttons need to be extracted from it.
protected java.awt.Component	createControlComponent(Skin skin) Create Control Component for Gain Control.
protected java.util.EventListener	createControlListener() Create and return the default listener for gain control.
void	gainChange(GainChangeEvent e) Set enable state of gain buttons based on gain level.
protected void	removeControlListener(java.util.EventListener listener) Remove listener from both gain increase button and gain decrease button.
void	setComponent(AbstractGainButtonPanel bp) Type-safe way to set Control Component.
void	setComponentAndListener(AbstractGainButtonPanel bp, java.awt.event.ActionListener listener) Type-safe way to set Control Component and control listener.
protected void	setControllerHook(Controller newController) This method is called when setController is called on an AbstractListenerControl.
void	setControlListener(java.awt.event.ActionListener listener) Type-safe way to set Control listener.

Methods inherited from class net.sf.fmj.ejmf.toolkit.gui.controls.AbstractGainControl

getGainControl

Methods inherited from class net.sf.fmj.ejmf.toolkit.gui.controls.ActionListenerControl

setComponent, setComponentAndListener

Methods inherited from class net.sf.fmj.ejmf.toolkit.gui.controls.AbstractListenerControl

getControlComponent, getController, getDefaultControlListener, initListener, isOperational, setComponent, setComponentAndListener, setController, setControlListener, setOperational, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardGainControl

public StandardGainControl(Skin skin,
                           Controller controller)

Create a StandardGainControl and associate it with a Controller.

Parameters:

controller - A Controller with which control is associated.

StandardGainControl

public StandardGainControl(Skin skin)

Create a StandardGainControl

Method Detail

setControllerHook

protected void setControllerHook(Controller newController)

This method is called when setController is called on an AbstractListenerControl.

Overrides:

setControllerHook in class AbstractGainControl

Parameters:

newController - A Controller with which this control is associated.

createControlComponent

protected java.awt.Component createControlComponent(Skin skin)

Create Control Component for Gain Control.

Specified by:

createControlComponent in class AbstractListenerControl

Returns:

component which acts as gain control.

addControlListener

protected void addControlListener(java.util.EventListener listener)

Over-rides addControlListener from AbstractActionListener because this Component is a JPanel and buttons need to be extracted from it. Same listener is posted to both buttons.

Overrides:

addControlListener in class ActionListenerControl

Parameters:

listener - Listener that implements semantics for gain control.

removeControlListener

protected void removeControlListener(java.util.EventListener listener)

Remove listener from both gain increase button and gain decrease button.

Overrides:

removeControlListener in class ActionListenerControl

Parameters:

listener - Listener is removed from listener list associated with this control.

createControlListener

protected java.util.EventListener createControlListener()

Create and return the default listener for gain control. Default listener increases gain level by 0.1 for each click of up button and decreases gain level by 0.1 for each click of down button.

Specified by:

createControlListener in class AbstractListenerControl

Returns:

Default listener for gain control.

gainChange

public void gainChange(GainChangeEvent e)

Set enable state of gain buttons based on gain level. If level has reached maximum, disable increase button. If level has reached minimum, enable descrease button.

Specified by:

gainChange in interface GainChangeListener

Parameters:

e - An GainChangeEvent triggerd by a GainControl

See Also:

GainControl, GainChangeEvent

setComponentAndListener

public void setComponentAndListener(AbstractGainButtonPanel bp,
                                    java.awt.event.ActionListener listener)

Type-safe way to set Control Component and control listener.

Parameters:

bp - An AbstractGainButtonPanel that serves as Control component.

listener - An ActionListener that implements Control semantics.

setComponent

public void setComponent(AbstractGainButtonPanel bp)

Type-safe way to set Control Component.

Parameters:

bp - An AbstractGainButtonPanel that serves as Control component.

setControlListener

public void setControlListener(java.awt.event.ActionListener listener)

Type-safe way to set Control listener.

Overrides:

setControlListener in class ActionListenerControl

Parameters:

listener - An ActionListener that implements gain control button semantics.