oracle.cabo.image.painter
Class AbstractPainterSwitcher

java.lang.Object
  |
  +--oracle.cabo.image.painter.AbstractPainter
        |
        +--oracle.cabo.image.painter.AbstractWrappingPainter
              |
              +--oracle.cabo.image.painter.AbstractPainterSwitcher

All Implemented Interfaces:

Painter

Direct Known Subclasses:

BooleanDataSwitcher

public abstract class AbstractPainterSwitcher

extends AbstractWrappingPainter

Abstract base class for painters that switch between two painters depending only the value returned by the method useTruePainter. subclasses need to implement useTruePainter.

See Also:

useTruePainter(oracle.cabo.image.painter.PaintContext)

Fields inherited from interface oracle.cabo.image.painter.Painter

STATE_ACTIVE_CHANGED, STATE_ARMED_CHANGED, STATE_BACKGROUND_CHANGED, STATE_ENABLED_CHANGED, STATE_FOCUSED_CHANGED, STATE_FONT_CHANGED, STATE_FOREGROUND_CHANGED, STATE_ISDEFAULT_CHANGED, STATE_MOUSE_OVER_CHANGED, STATE_READING_DIRECTION_CHANGED, STATE_SELECTED_CHANGED, STATE_SET_CHANGED, STATE_SIZE_CHANGED, STATE_XALIGNMENT_CHANGED, STATE_YALIGNMENT_CHANGED

Constructor Summary

AbstractPainterSwitcher(Painter truePainter)
Create an AbstAbstractPainterSwitcher that uses the truePainter when useTruePainter evaluates to true, and the NullPainter otherwise.

AbstractPainterSwitcher(Painter truePainter, Painter falsePainter)
Create an AbstAbstractPainterSwitcher that uses the truePainter when useTruePainter evaluates to true, and the falsePainter otherwise.

Method Summary

protected Painter	getWrappedPainter(PaintContext context) Override to return the correct painter.
protected abstract boolean	useTruePainter(PaintContext context) Returns true if the true painter should be used.

Methods inherited from class oracle.cabo.image.painter.AbstractWrappingPainter

getInvalidateFlags, getMaximumSize, getMinimumSize, getPainterAt, getPreferredSize, getRepaintFlags, getSize, isTransparent, paint

Methods inherited from class oracle.cabo.image.painter.AbstractPainter

contains, getData, getDataKey

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPainterSwitcher

public AbstractPainterSwitcher(Painter truePainter)

Create an AbstAbstractPainterSwitcher that uses the truePainter when useTruePainter evaluates to true, and the NullPainter otherwise.

Parameters:

truePainter - Painter to use when useTruePainter is true.

See Also:

useTruePainter(oracle.cabo.image.painter.PaintContext)

AbstractPainterSwitcher

public AbstractPainterSwitcher(Painter truePainter,
                               Painter falsePainter)

Create an AbstAbstractPainterSwitcher that uses the truePainter when useTruePainter evaluates to true, and the falsePainter otherwise.

Parameters:

truePainter - Painter to use when useTruePainter is true.

falsePainter - Painter to use when useTruePainter is false.

See Also:

useTruePainter(oracle.cabo.image.painter.PaintContext)

Method Detail

useTruePainter

protected abstract boolean useTruePainter(PaintContext context)

Returns true if the true painter should be used. False if the false painter should be used.

getWrappedPainter

protected final Painter getWrappedPainter(PaintContext context)

Override to return the correct painter.

Overrides:

getWrappedPainter in class AbstractWrappingPainter

Following copied from class: oracle.cabo.image.painter.AbstractWrappingPainter

Parameters:

context - Context to use for determining the wrapped painter.