org.apache.wicket.ajax.markup.html.form
Class AjaxFallbackButton

java.lang.Object
  extended by org.apache.wicket.Component
      extended by org.apache.wicket.MarkupContainer
          extended by org.apache.wicket.markup.html.WebMarkupContainer
              extended by org.apache.wicket.markup.html.form.LabeledWebMarkupContainer
                  extended by org.apache.wicket.markup.html.form.FormComponent<String>
                      extended by org.apache.wicket.markup.html.form.Button
                          extended by org.apache.wicket.ajax.markup.html.form.AjaxFallbackButton
All Implemented Interfaces:
Serializable, IClusterable, IConverterLocator, IFormModelUpdateListener, IFormSubmittingComponent, IFormVisitorParticipant, ILabelProvider<String>

public abstract class AjaxFallbackButton
extends Button

An ajax submit button that will degrade to a normal request if ajax is not available or javascript is disabled.

Since:
1.3
Author:
Jeremy Thomerson (jthomerson), Alastair Maw
See Also:
Serialized Form

Nested Class Summary
 
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_CONFIGURED, FLAG_INITIALIZED, FLAG_REMOVING_FROM_HIERARCHY, FLAG_RESERVED1, FLAG_RESERVED2, FLAG_RESERVED3, FLAG_RESERVED4, FLAG_RESERVED5, FLAG_RESERVED6, FLAG_RESERVED7, FLAG_RESERVED8, PARENT_PATH, PATH_SEPARATOR, RENDER
 
Constructor Summary
AjaxFallbackButton(String id, Form<?> form)
          Construct.
AjaxFallbackButton(String id, IModel<String> model, Form<?> form)
          Construct.
 
Method Summary
protected  IAjaxCallDecorator getAjaxCallDecorator()
           
 Form<?> getForm()
          Returns the form this component submits.
protected  boolean isButtonEnabled()
          Helper methods that both checks whether the link is enabled and whether the action ENABLE is allowed.
protected  void onError(AjaxRequestTarget target, Form<?> form)
          Listener method invoked on form submit with errors
 void onSubmit()
          Override this method to provide special submit handling in a multi-button form.
protected abstract  void onSubmit(AjaxRequestTarget target, Form<?> form)
          Callback for the onClick event.
 
Methods inherited from class org.apache.wicket.markup.html.form.Button
getDefaultFormProcessing, getOnClickScript, initModel, onComponentTag, setDefaultFormProcessing, updateModel
 
Methods inherited from class org.apache.wicket.markup.html.form.FormComponent
add, add, checkRequired, clearInput, convertInput, convertValue, error, getConvertedInput, getDefaultLabel, getDefaultLabel, getInput, getInputAsArray, getInputName, getModel, getModelObject, getModelValue, getRawInput, getType, getValidatorKeyPrefix, getValidators, getValue, hasRawInput, inputAsInt, inputAsInt, inputAsIntArray, inputChanged, internalOnModelChanged, invalid, isInputNullable, isMultiPart, isPersistent, isRequired, isValid, newValidatable, onDetach, onDisabled, onInvalid, onValid, processChildren, processInput, setConvertedInput, setLabel, setModel, setModelObject, setModelValue, setModelValue, setPersistent, setRequired, setType, shouldTrimInput, supportsPersistence, trim, 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, onAfterRenderChildren, onComponentTagBody, onRender, remove, remove, removeAll, renderAll, renderAssociatedMarkup, renderComponentTagBody, renderNext, 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, configure, continueToOriginalDestination, debug, detach, detachBehaviors, detachModel, detachModels, determineVisibility, error, exceptionMessage, fatal, findPage, findParent, findParentWithAssociatedMarkup, getAjaxRegionMarkupId, 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, 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, onBeforeRender, onBeginRequest, onConfigure, onEndRequest, onInitialize, onModelChanged, onModelChanging, onRemove, 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
 
Methods inherited from interface org.apache.wicket.markup.html.form.IFormSubmittingComponent
getInputName
 

Constructor Detail

AjaxFallbackButton

public AjaxFallbackButton(String id,
                          Form<?> form)
Construct.

Parameters:
id -
form -

AjaxFallbackButton

public AjaxFallbackButton(String id,
                          IModel<String> model,
                          Form<?> form)
Construct.

Parameters:
id -
model -
form -
Method Detail

onError

protected void onError(AjaxRequestTarget target,
                       Form<?> form)
Listener method invoked on form submit with errors

Parameters:
target -
form - TODO 1.3: Make abstract to be consistent with onsubmit()

onSubmit

public final void onSubmit()
Description copied from class: Button
Override this method to provide special submit handling in a multi-button form. It is called whenever the user clicks this particular button, except if validation fails.

Specified by:
onSubmit in interface IFormSubmittingComponent
Overrides:
onSubmit in class Button
See Also:
IFormSubmittingComponent.onSubmit()

getForm

public Form<?> getForm()
Description copied from interface: IFormSubmittingComponent
Returns the form this component submits.

Specified by:
getForm in interface IFormSubmittingComponent
Overrides:
getForm in class FormComponent<String>
Returns:
The parent form for this form component
See Also:
FormComponent.getForm()

onSubmit

protected abstract void onSubmit(AjaxRequestTarget target,
                                 Form<?> form)
Callback for the onClick event. If ajax failed and this event was generated via a normal submission, the target argument will be null

Parameters:
target - ajax target if this linked was invoked using ajax, null otherwise
form -

getAjaxCallDecorator

protected IAjaxCallDecorator getAjaxCallDecorator()
Returns:
call decorator to use or null if none

isButtonEnabled

protected final boolean isButtonEnabled()
Helper methods that both checks whether the link is enabled and whether the action ENABLE is allowed.

Returns:
whether the link should be rendered as enabled


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