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

java.lang.Object
  extended by com.google.gwt.event.shared.GwtEvent<H>
      extended by com.smartgwt.client.event.AbstractSmartEvent<ChangeHandler>
          extended by 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
GwtEvent.Type<H>
 
Field Summary
 
Fields inherited from class com.smartgwt.client.event.AbstractSmartEvent
jsObj
 
Constructor Summary
ChangeEvent(JavaScriptObject jsObj)
           
 
Method Summary
 void cancel()
          In your handler, Call this method to cancel the change,
protected  void dispatch(ChangeHandler handler)
           
static
<S extends HasChangeHandlers & HasHandlers>
void
fire(S source, JavaScriptObject jsObj)
          Fires a open event on all registered handlers in the handler manager.If no such handlers exist, this method will do nothing.
 GwtEvent.Type<ChangeHandler> getAssociatedType()
           
 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 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.google.gwt.event.shared.GwtEvent
assertLive, getSource, isLive, kill, revive, toDebugString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ChangeEvent

public ChangeEvent(JavaScriptObject jsObj)
Method Detail

fire

public static <S extends HasChangeHandlers & HasHandlers> void fire(S source,
                                                                   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 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 GwtEvent<ChangeHandler>

getAssociatedType

public final GwtEvent.Type<ChangeHandler> getAssociatedType()
Specified by:
getAssociatedType in class 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