ItemChangeEvent (Smart GWT EE API 13.1p (2026-01-20))

java.lang.Object
- com.google.web.bindery.event.shared.Event<H>
- - com.google.gwt.event.shared.GwtEvent<H>
  - - com.smartgwt.client.event.AbstractSmartEvent<H>
    - - com.smartgwt.client.widgets.events.BrowserEvent<ItemChangeHandler>
      - com.smartgwt.client.widgets.form.events.ItemChangeEvent

All Implemented Interfaces:: Cancellable

public class ItemChangeEvent
extends BrowserEvent<ItemChangeHandler>
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

ItemChangeEvent(com.google.gwt.core.client.JavaScriptObject jsObj)

Constructors
Constructor and Description
`ItemChangeEvent(com.google.gwt.core.client.JavaScriptObject jsObj)`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`cancel()` Call this method to cancel the change
`protected void`	`dispatch(ItemChangeHandler handler)`
`static <S extends HasItemChangeHandlers & 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<ItemChangeHandler>`	`getAssociatedType()`
`Canvas`	`getFiringCanvas()` Returns the `Canvas` firing the event.
`FormItem`	`getItem()` the FormItem where the change event occurred
`java.lang.Object`	`getNewValue()` new value for the FormItem
`java.lang.Object`	`getOldValue()` value the FormItem had previous to this change() event
`static com.google.gwt.event.shared.GwtEvent.Type<ItemChangeHandler>`	`getType()` Gets the type associated with this event.
`boolean`	`isCancelled()`

Methods inherited from class com.smartgwt.client.widgets.events.BrowserEvent
getX, getY, isAltKeyDown, isCtrlKeyDown, isLeftButtonDown, isRightButtonDown

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
  - ItemChangeEvent
```
public ItemChangeEvent(com.google.gwt.core.client.JavaScriptObject jsObj)
```
- Method Detail
  - getFiringCanvas
```
public Canvas getFiringCanvas()
```
    Returns the Canvas firing the event.
    
    Returns:
    
    Canvas firing the event
  - fire
```
public static <S extends HasItemChangeHandlers & 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<ItemChangeHandler> getType()
```
    Gets the type associated with this event.
    
    Returns:
    
    returns the handler type
  - dispatch
```
protected void dispatch(ItemChangeHandler handler)
```
    Specified by:
    
    dispatch in class com.google.gwt.event.shared.GwtEvent<ItemChangeHandler>
  - getAssociatedType
```
public final com.google.gwt.event.shared.GwtEvent.Type<ItemChangeHandler> getAssociatedType()
```
    Overrides:
    
    getAssociatedType in class com.google.gwt.event.shared.GwtEvent<ItemChangeHandler>
  - cancel
```
public void cancel()
```
    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
  - getItem
```
public FormItem getItem()
```
    the FormItem where the change event occurred
    
    Returns:
    
    the FormItem where the change event occurred
  - getNewValue
```
public java.lang.Object getNewValue()
```
    new value for the FormItem
    
    Returns:
    
    new value for the FormItem
  - getOldValue
```
public java.lang.Object getOldValue()
```
    value the FormItem had previous to this change() event
    
    Returns:
    
    value the FormItem had previous to this change() event

Class ItemChangeEvent

Nested Class Summary

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

Field Summary

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

Constructor Summary

Method Summary

Methods inherited from class com.smartgwt.client.widgets.events.BrowserEvent

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

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

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

Methods inherited from class java.lang.Object

Constructor Detail

ItemChangeEvent

Method Detail

getFiringCanvas

fire

getType

dispatch

getAssociatedType

cancel

isCancelled

getItem

getNewValue

getOldValue