org.eclipse.nebula.widgets.led

Class BaseLED

java.lang.Object

org.eclipse.swt.widgets.Widget

org.eclipse.swt.widgets.Control

org.eclipse.swt.widgets.Scrollable

org.eclipse.swt.widgets.Composite

org.eclipse.swt.widgets.Canvas

org.eclipse.nebula.widgets.led.BaseLED

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

DotsLed, LED

public abstract class BaseLED
extends org.eclipse.swt.widgets.Canvas

Abstract class for LED and Double dots LED.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static int	DEFAULT_HEIGHT
protected static int	DOT_DIAMETER
protected org.eclipse.swt.graphics.GC	gc
protected org.eclipse.swt.graphics.Color	idleColor
protected org.eclipse.swt.graphics.Color	selectedColor
(package private) static int	THIN_DEFAULT_WIDTH

Fields inherited from class org.eclipse.swt.widgets.Control

handle

Constructor Summary

Constructors

Constructor and Description
BaseLED(org.eclipse.swt.widgets.Composite parent, int style) Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

Method Summary

Modifier and Type	Method and Description
org.eclipse.swt.graphics.Color	getIdleColor() Returns the color used when the line is "off".
org.eclipse.swt.graphics.Color	getSelectedColor() Returns the color used when the line is "on".
protected abstract void	paintInternal() Paint the widget
void	setIdleColor(org.eclipse.swt.graphics.Color idleColor) Sets the color used by the widget to display lines when they are "off"
void	setSelectedColor(org.eclipse.swt.graphics.Color selectedColor) Sets the color used by the widget to display lines when they are "on"

Methods inherited from class org.eclipse.swt.widgets.Canvas

drawBackground, getCaret, getIME, scroll, setCaret, setFont, setIME

Methods inherited from class org.eclipse.swt.widgets.Composite

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList

Methods inherited from class org.eclipse.swt.widgets.Scrollable

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar

Methods inherited from class org.eclipse.swt.widgets.Control

addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, getParent, getRegion, getShell, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, addListener, checkWidget, dispose, getData, getData, getDisplay, getListeners, getStyle, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.swt.graphics.Drawable

isAutoScalable

Field Detail

DEFAULT_HEIGHT

static final int DEFAULT_HEIGHT

See Also:

Constant Field Values

THIN_DEFAULT_WIDTH

static final int THIN_DEFAULT_WIDTH

See Also:

Constant Field Values

DOT_DIAMETER

protected static final int DOT_DIAMETER

See Also:

Constant Field Values

idleColor

protected org.eclipse.swt.graphics.Color idleColor

selectedColor

protected org.eclipse.swt.graphics.Color selectedColor

gc

protected org.eclipse.swt.graphics.GC gc

Constructor Detail

BaseLED

public BaseLED(org.eclipse.swt.widgets.Composite parent,
               int style)

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

The style value is either one of the style constants defined in class SWT which is applicable to instances of this class, or must be built by bitwise OR'ing together (that is, using the int "|" operator) two or more of those SWT style constants. The class description lists the style constants that are applicable to the class. Style bits are also inherited from superclasses.

Parameters:

parent - a composite control which will be the parent of the new instance (cannot be null)

style - the style of control to construct

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the parent is null

org.eclipse.swt.SWTException -

• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent
• ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass

Method Detail

paintInternal

protected abstract void paintInternal()

Paint the widget

getIdleColor

public org.eclipse.swt.graphics.Color getIdleColor()

Returns the color used when the line is "off".

Returns:

the color used when the line is "off"

Throws:

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

setIdleColor

public void setIdleColor(org.eclipse.swt.graphics.Color idleColor)

Sets the color used by the widget to display lines when they are "off"

Parameters:

idleColor - the new color

Throws:

java.lang.IllegalArgumentException -

• ERROR_INVALID_ARGUMENT - if the argument has been disposed
• ERROR_NULL_ARGUMENT - if the argument is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

getSelectedColor

public org.eclipse.swt.graphics.Color getSelectedColor()

Returns the color used when the line is "on".

Returns:

the color used when the line is "on"

Throws:

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

setSelectedColor

public void setSelectedColor(org.eclipse.swt.graphics.Color selectedColor)

Sets the color used by the widget to display lines when they are "on"

Parameters:

selectedColor - the new color

Throws:

java.lang.IllegalArgumentException -

• ERROR_INVALID_ARGUMENT - if the argument has been disposed
• ERROR_NULL_ARGUMENT - if the argument is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver