org.apache.tapestry.form
Class TextArea

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

public abstract class TextArea
extends AbstractValidatableField

Implements a component that manages an HTML <textarea> form element. [Component Reference] As of 4.0, TextField can indicate that it is required, use a custom translator, and perform validation on the submitted text.

Author:
Howard Lewis Ship, Paul Ferraro

Constructor Summary
TextArea()
           
 
Method Summary
abstract  java.lang.String getValue()
           
 java.lang.Object readValue()
          Called during render to read the parameter that drives the value of is form component.
 void render(IMarkupWriter writer, IRequestCycle cycle, java.lang.String value)
          Renders this form component using the specified value.
abstract  void setValue(java.lang.String value)
           
 void writeValue(java.lang.Object value)
          Called during rewind to bind the successfully translated and validated value to the appropriate component parameter.
 
Methods inherited from class org.apache.tapestry.form.AbstractValidatableField
getSubmittedValue, getValidatableFieldSupport, renderContributions, renderFormComponent, rewindFormComponent
 
Methods inherited from class org.apache.tapestry.form.AbstractFormComponent
getForm, getIdParameter, getName, renderComponent, renderDelegateAttributes, renderDelegatePrefix, renderDelegateSuffix, renderIdAttribute, select, setClientId, setForm, setName, setName
 
Methods inherited from class org.apache.tapestry.AbstractComponent
addAsset, addBody, addComponent, checkActiveLock, cleanupAfterRender, enterActiveState, finishLoad, finishLoad, format, format, format, format, getAsset, getAssets, getBeans, getBinding, getBindingNames, getBindings, getBody, getBodyCount, getComponent, getComponents, getContainer, getExtendedId, getId, getIdPath, getListeners, getMessage, 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.form.ValidatableField
getTranslator, getValidators
 
Methods inherited from interface org.apache.tapestry.form.IFormComponent
getClientId, getDisplayName, getForm, getName, isDisabled, setName
 
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, getMessage, 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

TextArea

public TextArea()
Method Detail

getValue

public abstract java.lang.String getValue()

setValue

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

render

public void render(IMarkupWriter writer,
                   IRequestCycle cycle,
                   java.lang.String value)
Description copied from interface: ValidatableField
Renders this form component using the specified value.

See Also:
org.apache.tapestry.form.validator.AbstractValidatableField#render(org.apache.tapestry.IMarkupWriter, org.apache.tapestry.IRequestCycle, java.lang.String)

writeValue

public void writeValue(java.lang.Object value)
Description copied from interface: ValidatableField
Called during rewind to bind the successfully translated and validated value to the appropriate component parameter.

See Also:
ValidatableField.writeValue(java.lang.Object)

readValue

public java.lang.Object readValue()
Description copied from interface: ValidatableField
Called during render to read the parameter that drives the value of is form component.

See Also:
ValidatableField.readValue()