com.groovemanager.gui.custom.mc909
Class Mc909Pad

java.lang.Object
  com.groovemanager.gui.custom.CustomComposite
      com.groovemanager.gui.custom.mc909.Mc909Pad

All Implemented Interfaces:

KeyboardKey

public class Mc909Pad

extends CustomComposite

implements KeyboardKey

A Mc909Pad is an implementation of the KeyboardKey the gives a visual representation of one pad of the Roland MC-909. It can be wrapped into a Mc909Key to have a black or white key surrounding the pad just like on the MC-909 itself.

Author:

Manu Robledo

Field Summary

static int	BLACK Constant value for a pad being surrounded by a white key
private boolean	hold If this value is true, a pad has to be clicked a second time to be released. otherwise it will be released on mouse release.
private int	key The Key value assigned to this pad
private static int	LINE_WIDTH Constant for the line width
private java.util.ArrayList	listeners The KeyboardKeyListeners registered with this pad
private org.eclipse.swt.graphics.Color	padColor The Color for the pad when it is not pressed
private boolean	pressed true, if this pad is currently pressed, false otherwise
private org.eclipse.swt.graphics.Color	pressedColor The Color for the pad when it is pressed
private int	type The type of this Pad (either BLACK or WHITE
static int	WHITE Constant value for a pad being surrounded by a white key

Fields inherited from interface com.groovemanager.gui.custom.KeyboardKey

A, AIS, B, C, CIS, D, DIS, E, F, FIS, G, GIS, OCTAVE_0, OCTAVE_1, OCTAVE_2, OCTAVE_3, OCTAVE_4, OCTAVE_5, OCTAVE_6, OCTAVE_7, OCTAVE_8, OCTAVE_9, OCTAVE_MINUS_1

Constructor Summary

Mc909Pad(org.eclipse.swt.widgets.Composite parent, int type, int key)
Construct a new Mc909Pad

Method Summary

void	addKeyListener(KeyboardKeyListener listener) Add a KeyListener that will be notified, when this key is pressed or released
protected org.eclipse.swt.widgets.Composite	createComposite(org.eclipse.swt.widgets.Composite parent, int style) This method is to be overwritten by concrete subclasses to create the real contents of this CustomComposite
boolean	getHold()
int	getKey() Get the note value represented by this key.
protected int[]	getListenerTypes() For all types of listeners that should be possible to add to this Composite directly, the corresponding SWT.* constant should be contained in the returned Array.
protected int	getPossibleStyles() Get a combination of all allowed SWT.* style constants
boolean	isPressed() Return whether this key is currently pressed or not
void	press() Press this key.
void	release() Release this key.y
void	removeKeyListener(KeyboardKeyListener listener) Remove a previously registeres KeyListener from this key
void	setHold(boolean hold)

Methods inherited from class com.groovemanager.gui.custom.CustomComposite

addListener, checkStyle, getComposite, getData, getListeners, getParent, removeListener, setData, setLayoutData

Methods inherited from class java.lang.Object

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

Field Detail

BLACK

public static int BLACK

Constant value for a pad being surrounded by a white key

hold

private boolean hold

If this value is true, a pad has to be clicked a second time to be released. otherwise it will be released on mouse release.

key

private final int key

The Key value assigned to this pad

LINE_WIDTH

private static final int LINE_WIDTH

Constant for the line width

See Also:

Constant Field Values

listeners

private java.util.ArrayList listeners

The KeyboardKeyListeners registered with this pad

padColor

private final org.eclipse.swt.graphics.Color padColor

The Color for the pad when it is not pressed

pressed

private boolean pressed

true, if this pad is currently pressed, false otherwise

pressedColor

private final org.eclipse.swt.graphics.Color pressedColor

The Color for the pad when it is pressed

type

private final int type

The type of this Pad (either BLACK or WHITE

WHITE

public static int WHITE

Constant value for a pad being surrounded by a white key

Constructor Detail

Mc909Pad

public Mc909Pad(org.eclipse.swt.widgets.Composite parent,
                int type,
                int key)

Construct a new Mc909Pad

Parameters:

parent - The parent Composite

type - The pad type (either BLACK or WHITE)

key - The key value assigned to this pad from 0 to 127

Method Detail

addKeyListener

public void addKeyListener(KeyboardKeyListener listener)

Description copied from interface: KeyboardKey

Add a KeyListener that will be notified, when this key is pressed or released

Specified by:

addKeyListener in interface KeyboardKey

Parameters:

listener - The KeyListener to add

See Also:

KeyboardKey.addKeyListener(com.groovemanager.gui.custom.KeyboardKeyListener)

createComposite

protected org.eclipse.swt.widgets.Composite createComposite(org.eclipse.swt.widgets.Composite parent,
                                                            int style)

Description copied from class: CustomComposite

This method is to be overwritten by concrete subclasses to create the real contents of this CustomComposite

Specified by:

createComposite in class CustomComposite

Parameters:

parent - The parent Composite under which this Composite should be created

style - Combination of valid SWT.* style constants

Returns:

The new created main composite

See Also:

CustomComposite.createComposite(org.eclipse.swt.widgets.Composite, int)

getHold

public boolean getHold()

Specified by:

getHold in interface KeyboardKey

See Also:

KeyboardKey.getHold()

getKey

public int getKey()

Description copied from interface: KeyboardKey

Get the note value represented by this key.

Specified by:

getKey in interface KeyboardKey

Returns:

The note value of this key in the range from 0 (OCTAVE_MINUS_1 + C) to 127 (OCTAVE_9 + G.

See Also:

KeyboardKey.getKey()

getListenerTypes

protected int[] getListenerTypes()

Description copied from class: CustomComposite

For all types of listeners that should be possible to add to this Composite directly, the corresponding SWT.* constant should be contained in the returned Array.

Specified by:

getListenerTypes in class CustomComposite

Returns:

An Array of SWT.* constants defining the set of listeners types applicable to this Composite

See Also:

CustomComposite.getListenerTypes()

getPossibleStyles

protected int getPossibleStyles()

Description copied from class: CustomComposite

Get a combination of all allowed SWT.* style constants

Specified by:

getPossibleStyles in class CustomComposite

Returns:

A combination of all allowed style constants, for example SWT.BORDER | SWT.LEFT | SWT.BORDER

See Also:

CustomComposite.getPossibleStyles()

isPressed

public boolean isPressed()

Description copied from interface: KeyboardKey

Return whether this key is currently pressed or not

Specified by:

isPressed in interface KeyboardKey

Returns:

true if the key has recently been pressed and since then not been released, false otherwise

See Also:

KeyboardKey.isPressed()

press

public void press()

Description copied from interface: KeyboardKey

Press this key.

Specified by:

press in interface KeyboardKey

See Also:

KeyboardKey.press()

release

public void release()

Description copied from interface: KeyboardKey

Release this key.y

Specified by:

release in interface KeyboardKey

See Also:

KeyboardKey.release()

removeKeyListener

public void removeKeyListener(KeyboardKeyListener listener)

Description copied from interface: KeyboardKey

Remove a previously registeres KeyListener from this key

Specified by:

removeKeyListener in interface KeyboardKey

Parameters:

listener - The KeyListener to remove

See Also:

KeyboardKey.removeKeyListener(com.groovemanager.gui.custom.KeyboardKeyListener)

setHold

public void setHold(boolean hold)

Specified by:

setHold in interface KeyboardKey

See Also:

KeyboardKey.setHold(boolean)