com.smartgwt.client.widgets.form.fields.events

Class ChangeEvent

java.lang.Object

com.google.web.bindery.event.shared.Event<H>

com.google.gwt.event.shared.GwtEvent<H>

com.smartgwt.client.event.AbstractSmartEvent<ChangeHandler>

com.smartgwt.client.widgets.form.fields.events.ChangeEvent

All Implemented Interfaces:

Cancellable

public class ChangeEvent
extends AbstractSmartEvent<ChangeHandler>
implements Cancellable

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.event.shared.GwtEvent

com.google.gwt.event.shared.GwtEvent.Type<H>

Field Summary

Fields inherited from class com.smartgwt.client.event.AbstractSmartEvent

jsObj

Constructor Summary

Constructors

Constructor and Description
ChangeEvent(com.google.gwt.core.client.JavaScriptObject jsObj)

Method Summary

Modifier and Type	Method and Description
void	cancel() In your handler, Call this method to cancel the change,
protected void	dispatch(ChangeHandler handler)
static <S extends HasChangeHandlers & com.google.gwt.event.shared.HasHandlers> void	fire(S source, com.google.gwt.core.client.JavaScriptObject jsObj) Fires a open event on all registered handlers in the handler manager.If no such handlers exist, this method will do nothing.
com.google.gwt.event.shared.GwtEvent.Type<ChangeHandler>	getAssociatedType()
FormItem	getFiringItem() Returns the FormItem firing the event.
DynamicForm	getForm() the managing DynamicForm instance
FormItem	getItem() the form item itself (also available as "this")
java.lang.Object	getOldValue() The previous value of the form item
static com.google.gwt.event.shared.GwtEvent.Type<ChangeHandler>	getType() Gets the type associated with this event.
java.lang.Object	getValue() The new value of the form item
boolean	isCancelled()

Methods inherited from class com.smartgwt.client.event.AbstractSmartEvent

getFiringInstanceAsJavaScriptObject

Methods inherited from class com.google.gwt.event.shared.GwtEvent

assertLive, getSource, isLive, kill, revive

Methods inherited from class com.google.web.bindery.event.shared.Event

setSource, toDebugString, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeEvent

public ChangeEvent(com.google.gwt.core.client.JavaScriptObject jsObj)

Method Detail

getFiringItem

public FormItem getFiringItem()

Returns the FormItem firing the event.

Returns:

FormItem firing the event

fire

public static <S extends HasChangeHandlers & com.google.gwt.event.shared.HasHandlers> void fire(S source,
                                                                                                com.google.gwt.core.client.JavaScriptObject jsObj)

Fires a open event on all registered handlers in the handler manager.If no such handlers exist, this method will do nothing.

Type Parameters:

S - The event source

Parameters:

source - the source of the handlers

jsObj - the native event

getType

public static com.google.gwt.event.shared.GwtEvent.Type<ChangeHandler> getType()

Gets the type associated with this event.

Returns:

returns the handler type

dispatch

protected void dispatch(ChangeHandler handler)

Specified by:

dispatch in class com.google.gwt.event.shared.GwtEvent<ChangeHandler>

getAssociatedType

public final com.google.gwt.event.shared.GwtEvent.Type<ChangeHandler> getAssociatedType()

Overrides:

getAssociatedType in class com.google.gwt.event.shared.GwtEvent<ChangeHandler>

cancel

public void cancel()

In your handler, Call this method to cancel the change,

Specified by:

cancel in interface Cancellable

isCancelled

public boolean isCancelled()

Specified by:

isCancelled in interface Cancellable

Returns:

true if cancelled

getForm

public DynamicForm getForm()

the managing DynamicForm instance

Returns:

the managing DynamicForm instance

getItem

public FormItem getItem()

the form item itself (also available as "this")

Returns:

the form item itself (also available as "this")

getValue

public java.lang.Object getValue()

The new value of the form item

Returns:

The new value of the form item

getOldValue

public java.lang.Object getOldValue()

The previous value of the form item

Returns:

The previous value of the form item