org.apache.wicket.markup.html.form
Class HiddenField<T>

java.lang.Object
  org.apache.wicket.Component
      org.apache.wicket.MarkupContainer
          org.apache.wicket.markup.html.WebMarkupContainer
              org.apache.wicket.markup.html.form.LabeledWebMarkupContainer
                  org.apache.wicket.markup.html.form.FormComponent<T>
                      org.apache.wicket.markup.html.form.AbstractTextComponent<T>
                          org.apache.wicket.markup.html.form.TextField<T>
                              org.apache.wicket.markup.html.form.HiddenField<T>

Type Parameters:

T - the model object's type

All Implemented Interfaces:

java.io.Serializable, IClusterable, IConverterLocator, IFormModelUpdateListener, IFormVisitorParticipant, ILabelProvider<java.lang.String>

public class HiddenField<T>
extends TextField<T>

TextField doesn't permit the html so this is a simple subclass to allow this A HiddenField is useful when you have a javascript based component that updates the form state. Either

• add a AttributeModified to set the id attribute, then use document.getElementById(id)
• lookup the field name=getPath() within the form

Author:

Cameron Braid

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wicket.markup.html.form.AbstractTextComponent

AbstractTextComponent.ITextFormatProvider

Nested classes/interfaces inherited from class org.apache.wicket.markup.html.form.FormComponent

FormComponent.AbstractVisitor, FormComponent.IVisitor

Nested classes/interfaces inherited from class org.apache.wicket.Component

Component.ComponentModelChange, Component.EnabledChange, Component.VisibilityChange

Field Summary

Fields inherited from class org.apache.wicket.markup.html.form.FormComponent

FLAG_CONVERT_EMPTY_INPUT_STRING_TO_NULL, VALUE_SEPARATOR

Fields inherited from class org.apache.wicket.Component

ENABLE, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED6, FLAG_RESERVED7, FLAG_RESERVED8, PATH_SEPARATOR, RENDER

Constructor Summary

HiddenField(java.lang.String id)
Construct.

HiddenField(java.lang.String id, java.lang.Class<T> type)
Construct.

HiddenField(java.lang.String id, IModel<T> model)
Construct.

HiddenField(java.lang.String id, IModel<T> model, java.lang.Class<T> type)

Method Summary

protected java.lang.String

getInputType() Subclass should override this method if this textfield is mapped on a different input type as text.

Methods inherited from class org.apache.wicket.markup.html.form.TextField

onComponentTag

Methods inherited from class org.apache.wicket.markup.html.form.AbstractTextComponent

convertInput, convertValue, getConvertEmptyInputStringToNull, isInputNullable, onBeforeRender, setConvertEmptyInputStringToNull, supportsPersistence

Methods inherited from class org.apache.wicket.markup.html.form.FormComponent

add, add, checkRequired, clearInput, error, getConvertedInput, getForm, getInput, getInputAsArray, getInputName, getModel, getModelObject, getModelValue, getRawInput, getType, getValidatorKeyPrefix, getValidators, getValue, hasRawInput, inputAsInt, inputAsInt, inputAsIntArray, inputChanged, internalOnModelChanged, invalid, isMultiPart, isPersistent, isRequired, isValid, newValidatable, onDetach, onDisabled, onInvalid, onValid, processChildren, processInput, setConvertedInput, setLabel, setModel, setModelObject, setModelValue, setModelValue, setPersistent, setRequired, setType, shouldTrimInput, trim, updateModel, valid, validate, validateRequired, validateValidators, visitComponentsPostOrder, visitFormComponentsPostOrder

Methods inherited from class org.apache.wicket.markup.html.form.LabeledWebMarkupContainer

getLabel, setLabelInternal

Methods inherited from class org.apache.wicket.markup.html.WebMarkupContainer

getMarkupType, getWebPage, getWebRequest

Methods inherited from class org.apache.wicket.MarkupContainer

add, addOrReplace, autoAdd, autoAdd, contains, findMarkupStream, get, get, getAssociatedMarkupStream, getMarkupStream, hasAssociatedMarkup, internalAdd, isTransparentResolver, iterator, iterator, newMarkupResourceStream, onComponentTagBody, onRender, remove, remove, removeAll, renderAll, renderAssociatedMarkup, renderComponentTagBody, replace, setDefaultModel, setMarkupStream, size, swap, toString, toString, visitChildren, visitChildren

Methods inherited from class org.apache.wicket.Component

add, addStateChange, afterRender, beforeRender, callOnBeforeRenderIfNotVisible, checkComponentTag, checkComponentTagAttribute, checkHierarchyChange, continueToOriginalDestination, debug, detach, detachBehaviors, detachModel, detachModels, determineVisibility, error, exceptionMessage, fatal, findPage, findParent, findParentWithAssociatedMarkup, getApplication, getBehaviors, getBehaviors, getBehaviorsRawList, getClassRelativePath, getComponentBorder, getConverter, getConverter, getDefaultModel, getDefaultModelObject, getDefaultModelObjectAsString, getDefaultModelObjectAsString, getEscapeModelStrings, getFeedbackMessage, getFlag, getFlag, getId, getInnermostModel, getInnermostModel, getLocale, getLocalizer, getMarkupAttributes, getMarkupId, getMarkupId, getMarkupIdImpl, getMetaData, getModelComparator, getOutputMarkupId, getOutputMarkupPlaceholderTag, getPage, getPageRelativePath, getParent, getPath, getRenderBodyOnly, getRequest, getRequestCycle, getResponse, getSession, getSizeInBytes, getStatelessHint, getString, getString, getString, getStyle, getVariation, hasBeenRendered, hasErrorMessage, hasFeedbackMessage, info, initModel, internalAttach, internalDetach, internalOnAttach, internalOnDetach, isActionAuthorized, isAncestorOf, isAttached, isBehaviorAccepted, isEnableAllowed, isEnabled, isEnabledInHierarchy, isIgnoreAttributeModifier, isRenderAllowed, isStateless, isVersioned, isVisibilityAllowed, isVisible, isVisibleInHierarchy, locateMarkupStream, markAttached, markRendering, modelChanged, modelChanging, onAfterRender, onAttach, onBeginRequest, onEndRequest, onModelChanged, onModelChanging, prepareForRender, prepareForRender, redirectToInterceptPage, remove, remove, render, render, renderComponent, renderComponent, renderComponentTag, rendered, renderHead, renderPlaceholderTag, replaceComponentTagBody, replaceWith, sameInnermostModel, sameInnermostModel, setAuto, setComponentBorder, setDefaultModelObject, setEnabled, setEscapeModelStrings, setFlag, setFlag, setIgnoreAttributeModifier, setMarkupId, setMarkupIdImpl, setMetaData, setOutputMarkupId, setOutputMarkupPlaceholderTag, setRedirect, setRenderBodyOnly, setResponsePage, setResponsePage, setResponsePage, setVersioned, setVisibilityAllowed, setVisible, urlFor, urlFor, urlFor, urlFor, urlFor, urlFor, visitParents, warn, wrap

Methods inherited from class java.lang.Object

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

Constructor Detail

HiddenField

public HiddenField(java.lang.String id)

Construct.

Parameters:

id - component id

HiddenField

public HiddenField(java.lang.String id,
                   java.lang.Class<T> type)

Construct.

Parameters:

id - component id

type - the type to use when updating the model for this text field

HiddenField

public HiddenField(java.lang.String id,
                   IModel<T> model)

Construct.

Parameters:

id - see Component

model - the model

HiddenField

public HiddenField(java.lang.String id,
                   IModel<T> model,
                   java.lang.Class<T> type)

Parameters:

id - component id

model - the model

type - the type to use when updating the model for this text field

See Also:

Component.Component(String, IModel)

Method Detail

getInputType

protected java.lang.String getInputType()

Description copied from class: TextField

Subclass should override this method if this textfield is mapped on a different input type as text. Like PasswordField or HiddenField.

Overrides:

getInputType in class TextField<T>

Returns:

The input type of this textfield, default is null

See Also:

TextField.getInputType()