org.apache.tapestry.form
Class Hidden

java.lang.Object
  extended byorg.apache.hivemind.impl.BaseLocatable
      extended byorg.apache.tapestry.AbstractComponent
          extended byorg.apache.tapestry.form.AbstractFormComponent
              extended byorg.apache.tapestry.form.Hidden
All Implemented Interfaces:
IComponent, IFormComponent, IRender, org.apache.hivemind.Locatable, org.apache.hivemind.LocationHolder

public abstract class Hidden
extends AbstractFormComponent

Implements a hidden field within a Form. [ Component Reference ]

Author:
Howard Lewis Ship

Constructor Summary
Hidden()
           
 
Method Summary
abstract  DataSqueezer getDataSqueezer()
           
abstract  java.lang.String getElementId()
           
abstract  boolean getEncode()
          Returns true if the compent encodes object values using a DataSqueezerImpl, false if values are always Strings.
abstract  IActionListener getListener()
           
abstract  ListenerInvoker getListenerInvoker()
          Injected.
abstract  java.lang.Object getValue()
           
 boolean isDisabled()
          Returns false.
protected  void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
          Invoked by AbstractComponent.render(IMarkupWriter, IRequestCycle)to actually render the component (with any parameter values already set).
abstract  void setValue(java.lang.Object value)
           
 
Methods inherited from class org.apache.tapestry.form.AbstractFormComponent
getDisplayName, getForm, getForm, getName, setForm, setName
 
Methods inherited from class org.apache.tapestry.AbstractComponent
addAsset, addBody, addComponent, checkActiveLock, cleanupAfterRender, enterActiveState, finishLoad, finishLoad, getAsset, getAssets, getBeans, getBinding, getBindingNames, getBindings, getBody, getBodyCount, getComponent, getComponents, getContainer, getExtendedId, getId, getIdPath, getListeners, getMessages, getNamespace, getPage, getProperty, getSpecification, isInActiveState, isParameterBound, isRendering, pageEndRender, prepareForRender, render, renderBody, renderInformalParameters, setBinding, setContainer, setId, setNamespace, setPage, setProperty, toString
 
Methods inherited from class org.apache.hivemind.impl.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.IComponent
addAsset, addBody, addComponent, enterActiveState, finishLoad, getAsset, getAssets, getBeans, getBinding, getBindingNames, getBindings, getComponent, getComponents, getContainer, getExtendedId, getId, getIdPath, getListeners, getMessages, getNamespace, getPage, getProperty, getSpecification, isRendering, renderBody, setBinding, setContainer, setId, setNamespace, setPage, setProperty
 
Methods inherited from interface org.apache.tapestry.IRender
render
 
Methods inherited from interface org.apache.hivemind.LocationHolder
setLocation
 
Methods inherited from interface org.apache.hivemind.Locatable
getLocation
 

Constructor Detail

Hidden

public Hidden()
Method Detail

renderComponent

protected void renderComponent(IMarkupWriter writer,
                               IRequestCycle cycle)
Description copied from class: AbstractComponent
Invoked by AbstractComponent.render(IMarkupWriter, IRequestCycle)to actually render the component (with any parameter values already set). This is the method that subclasses must implement.

Specified by:
renderComponent in class AbstractComponent

getElementId

public abstract java.lang.String getElementId()

getDataSqueezer

public abstract DataSqueezer getDataSqueezer()
Since:
2.2 *

getValue

public abstract java.lang.Object getValue()

setValue

public abstract void setValue(java.lang.Object value)

getListener

public abstract IActionListener getListener()

getListenerInvoker

public abstract ListenerInvoker getListenerInvoker()
Injected.

Since:
4.0

isDisabled

public boolean isDisabled()
Returns false. Hidden components are never disabled.

Since:
2.2

getEncode

public abstract boolean getEncode()
Returns true if the compent encodes object values using a DataSqueezerImpl, false if values are always Strings.

Since:
2.2