com.vaadin.client.ui

Class ConnectorFocusAndBlurHandler

java.lang.Object

com.vaadin.client.ui.ConnectorFocusAndBlurHandler

All Implemented Interfaces:

com.google.gwt.event.dom.client.BlurHandler, com.google.gwt.event.dom.client.FocusHandler, com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, Serializable

public class ConnectorFocusAndBlurHandler
extends Object
implements StateChangeEvent.StateChangeHandler, com.google.gwt.event.dom.client.FocusHandler, com.google.gwt.event.dom.client.BlurHandler

A handler for focus and blur events which uses FieldRpc.FocusAndBlurServerRpc to transmit received events to the server. Events are only handled if there is a corresponding listener on the server side.

Since:

7.6

Author:

Vaadin Ltd

See Also:

Serialized Form

Method Summary

Modifier and Type	Method and Description
static ConnectorFocusAndBlurHandler	addHandlers(AbstractComponentConnector connector) Add focus/blur handlers to the widget of the connector.
static ConnectorFocusAndBlurHandler	addHandlers(AbstractComponentConnector connector, com.google.gwt.user.client.ui.Widget widget) Add focus/blur handlers to the widget and a state change handler for the connector.
void	onBlur(com.google.gwt.event.dom.client.BlurEvent event)
void	onFocus(com.google.gwt.event.dom.client.FocusEvent event)
void	onStateChanged(StateChangeEvent stateChangeEvent) Notifies the event handler that the state has changed.
void	removeHandlers() Remove all handlers from the widget and the connector.

Methods inherited from class java.lang.Object

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

Method Detail

addHandlers

public static ConnectorFocusAndBlurHandler addHandlers(AbstractComponentConnector connector)

Add focus/blur handlers to the widget of the connector.

Parameters:

connector - connector whose widget is a target to add focus/blur handlers

Returns:

ConnectorFocusAndBlurHandler instance to remove all registered handlers

addHandlers

public static ConnectorFocusAndBlurHandler addHandlers(AbstractComponentConnector connector,
                                                       com.google.gwt.user.client.ui.Widget widget)

Add focus/blur handlers to the widget and a state change handler for the connector.

Parameters:

connector - connector to register state change handler

widget - widget to register focus/blur handler

Returns:

ConnectorFocusAndBlurHandler instance to remove all registered handlers

onStateChanged

public void onStateChanged(StateChangeEvent stateChangeEvent)

Description copied from interface: StateChangeEvent.StateChangeHandler

Notifies the event handler that the state has changed.

Specified by:

onStateChanged in interface StateChangeEvent.StateChangeHandler

Parameters:

stateChangeEvent - the state change event with details about the change

onFocus

public void onFocus(com.google.gwt.event.dom.client.FocusEvent event)

Specified by:

onFocus in interface com.google.gwt.event.dom.client.FocusHandler

onBlur

public void onBlur(com.google.gwt.event.dom.client.BlurEvent event)

Specified by:

onBlur in interface com.google.gwt.event.dom.client.BlurHandler

removeHandlers

public void removeHandlers()

Remove all handlers from the widget and the connector.