org.apache.tapestry.form
Class Radio

java.lang.Object
  org.apache.tapestry.spec.BaseLocatable
      org.apache.tapestry.AbstractComponent
          org.apache.tapestry.form.Radio

All Implemented Interfaces:

IComponent, ILocatable, ILocationHolder, IRender

public abstract class Radio
extends AbstractComponent

Implements a component that manages an HTML <input type=radio> form element. Such a component must be wrapped (possibly indirectly) inside a RadioGroup component. [Component Reference]

Radio and RadioGroup are generally not used (except for very special cases). Instead, a PropertySelection component is used.

Version:

$Id: Radio.java 243791 2004-02-19 17:38:13Z hlship $

Author:

Howard Lewis Ship

Constructor Summary

Radio()

Method Summary

abstract Object	getValue()
abstract boolean	isDisabled()
protected void	renderComponent(IMarkupWriter writer, IRequestCycle cycle) Renders the form element, or responds when the form containing the element is submitted (by checking Form.isRewinding().

Methods inherited from class org.apache.tapestry.AbstractComponent

addAsset, addBody, addComponent, cleanupAfterRender, finishLoad, finishLoad, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, fireObservedChange, format, format, format, format, formatString, formatString, formatString, formatString, generateAttributes, getAsset, getAssets, getBeans, getBinding, getBindingNames, getBindings, getBody, getBodyCount, getChangeObserver, getComponent, getComponents, getContainer, getExtendedId, getId, getIdPath, getListeners, getMessage, getMessages, getNamespace, getPage, getProperty, getSpecification, getString, pageEndRender, prepareForRender, render, renderBody, renderInformalParameters, setBinding, setContainer, setId, setNamespace, setPage, setProperty, setSpecification, toString

Methods inherited from class org.apache.tapestry.spec.BaseLocatable

getLocation, setLocation

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.tapestry.ILocationHolder

setLocation

Methods inherited from interface org.apache.tapestry.ILocatable

getLocation

Constructor Detail

Radio

public Radio()

Method Detail

renderComponent

protected void renderComponent(IMarkupWriter writer,
                               IRequestCycle cycle)

Renders the form element, or responds when the form containing the element is submitted (by checking Form.isRewinding().

Specified by:

renderComponent in class AbstractComponent

isDisabled

public abstract boolean isDisabled()

getValue

public abstract Object getValue()