ChangeHandlerAdapter class / dart_web_toolkit_event Library / API Reference / Dart Web Toolkit

ChangeHandlerAdapter class

Handler for {@link ChangeEvent} events.

class ChangeHandlerAdapter extends EventHandlerAdapter implements ChangeHandler {

 ChangeHandlerAdapter(EventHandlerAdapterCallback callback) : super(callback);

 /**
  * Called when a change event is fired.
  *
  * @param event the {@link ChangeEvent} that was fired
  */
 void onChange(ChangeEvent event) {
   callback(event);
 }
}

Extends

EventHandlerAdapter > ChangeHandlerAdapter

Implements

ChangeHandler

Constructors

new ChangeHandlerAdapter(EventHandlerAdapterCallback callback) #

Creates a new Object instance.

Object instances have no meaningful state, and are only useful through their identity. An Object instance is equal to itself only.

docs inherited from Object

ChangeHandlerAdapter(EventHandlerAdapterCallback callback) : super(callback);

Properties

EventHandlerAdapterCallback callback #

inherited from EventHandlerAdapter

EventHandlerAdapterCallback callback

Methods

void onChange(ChangeEvent event) #

Called when a change event is fired.

@param event the {@link ChangeEvent} that was fired

void onChange(ChangeEvent event) {
 callback(event);
}