org.perfectjpattern.core.behavioral.chainofresponsibility
Class AbstractWidget

java.lang.Object
  org.perfectjpattern.core.behavioral.chainofresponsibility.AbstractWidget

All Implemented Interfaces:

IHelpAware, IPrintAware

Direct Known Subclasses:

Button, Dialog

public abstract class AbstractWidget
extends Object
implements IHelpAware, IPrintAware

Abstract base definition of a AbstractWidget. Adapts or maps the inner Handler implementation into abstract methods that can be overridden by subclasses.

Version:

$Revision: 1.0 $Date: Apr 19, 2008 12:25:59 PM $

Author:

Giovanni Azua

Constructor Summary

AbstractWidget()

Method Summary

protected abstract boolean	canHandleHelp()
protected abstract boolean	canHandlePrint()
IParameterlessHandler	getHelpHandler()
IParameterlessHandler	getPrintHandler()
protected abstract void	handleHelp()
protected abstract void	handlePrint()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractWidget

public AbstractWidget()

Method Detail

getHelpHandler

public IParameterlessHandler getHelpHandler()

Specified by:

getHelpHandler in interface IHelpAware

getPrintHandler

public IParameterlessHandler getPrintHandler()

Specified by:

getPrintHandler in interface IPrintAware

canHandleHelp

protected abstract boolean canHandleHelp()

handleHelp

protected abstract void handleHelp()

canHandlePrint

protected abstract boolean canHandlePrint()

handlePrint

protected abstract void handlePrint()