Package org.apache.wicket.ajax.form
Class OnChangeAjaxBehavior
- java.lang.Object
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- All Implemented Interfaces:
java.io.Serializable
,IComponentAwareEventSink
,IRequestListener
,IComponentAwareHeaderContributor
,org.apache.wicket.util.io.IClusterable
public abstract class OnChangeAjaxBehavior extends AjaxFormComponentUpdatingBehavior
A behavior that updates the hostingFormComponent
via Ajax when value of the component is changed.This behavior uses best available method to track changes on different types of form components. To accomplish this for text input form components it uses a custom event, named 'inputchange', that is handled in the best way for the specific browser. For other form component types the 'change' event is used.
- Since:
- 1.3
- Author:
- Janne Hietamäki (janne)
- See Also:
AjaxFormComponentUpdatingBehavior.onUpdate(org.apache.wicket.ajax.AjaxRequestTarget)
,AjaxFormComponentUpdatingBehavior.onError(org.apache.wicket.ajax.AjaxRequestTarget, RuntimeException)
, Serialized Form
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
EVENT_CHANGE
the change eventstatic java.lang.String
EVENT_NAME
'inputchange' event delegates to 'input', 'keyup', 'cut' and 'paste' events for text input form component depending on the browser.-
Fields inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
INDICATOR
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Constructor Summary
Constructors Constructor Description OnChangeAjaxBehavior()
Constructor.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static OnChangeAjaxBehavior
onChange(org.danekja.java.util.function.serializable.SerializableConsumer<AjaxRequestTarget> onChange)
Creates anOnChangeAjaxBehavior
based on lambda expressionsprotected void
updateAjaxAttributes(AjaxRequestAttributes attributes)
Gives a chance to the specializations to modify the attributes.-
Methods inherited from class org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior
checkComponent, disableFocusOnBlur, getFormComponent, getUpdateModel, onBind, onError, onEvent, onUpdate, onUpdate
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Methods inherited from class org.apache.wicket.ajax.AjaxEventBehavior
getEvent, onEvent, renderHead, respond
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Methods inherited from class org.apache.wicket.ajax.AbstractDefaultAjaxBehavior
findIndicatorId, getAttributes, getCallbackFunction, getCallbackFunctionBody, getCallbackScript, getCallbackScript, onRequest, postprocessConfiguration, renderAjaxAttributes, renderAjaxAttributes
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Methods inherited from class org.apache.wicket.behavior.AbstractAjaxBehavior
afterRender, bind, getCallbackUrl, getComponent, onComponentRendered, onComponentTag, onComponentTag, onUnbind, unbind
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Methods inherited from class org.apache.wicket.behavior.Behavior
beforeRender, canCallListener, detach, getStatelessHint, isEnabled, isTemporary, onAttribute, onConfigure, onEvent, onException, onRemove, onTag
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.wicket.IRequestListener
rendersPage
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Field Detail
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EVENT_NAME
public static final java.lang.String EVENT_NAME
'inputchange' event delegates to 'input', 'keyup', 'cut' and 'paste' events for text input form component depending on the browser. 'change' is used as a fallback for all other form component types.- See Also:
- Constant Field Values
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EVENT_CHANGE
public static final java.lang.String EVENT_CHANGE
the change event- See Also:
- Constant Field Values
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Method Detail
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updateAjaxAttributes
protected void updateAjaxAttributes(AjaxRequestAttributes attributes)
Description copied from class:AbstractDefaultAjaxBehavior
Gives a chance to the specializations to modify the attributes.- Overrides:
updateAjaxAttributes
in classAjaxFormComponentUpdatingBehavior
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onChange
public static OnChangeAjaxBehavior onChange(org.danekja.java.util.function.serializable.SerializableConsumer<AjaxRequestTarget> onChange)
Creates anOnChangeAjaxBehavior
based on lambda expressions- Parameters:
onChange
- theSerializableConsumer
which accepts theAjaxRequestTarget
- Returns:
- the
OnChangeAjaxBehavior
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