org.cafesip.gwtcomp.client.ui
Class EventfulFileUpload

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.FileUpload
              org.cafesip.gwtcomp.client.ui.EventfulFileUpload

All Implemented Interfaces:

HasChangeHandlers, HasHandlers, EventListener, HasName

public class EventfulFileUpload
extends FileUpload

An extension of the GWT FileUpload class that allows applications to listen to file upload events. This allows applications to listens to events such has when an upload file is entered (or selected from the "browse" popup). Applications can use the listeners to perform validation or apply other business logic.

Screen-Shots:

Author:

Amit Chatterjee

Nested Class Summary

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

UIObject.DebugIdImpl, UIObject.DebugIdImplEnabled

Field Summary

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

EventfulFileUpload()
A constructor for this class.

Method Summary

void	addEventListener(FileUploadEventListener listener) Add a file upload listener.
void	onBrowserEvent(Event event)

Methods inherited from class com.google.gwt.user.client.ui.FileUpload

addChangeHandler, getFilename, getName, isEnabled, setEnabled, setName, wrap

Methods inherited from class com.google.gwt.user.client.ui.Widget

addDomHandler, addHandler, delegateEvent, doAttachChildren, doDetachChildren, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onDetach, onLoad, onUnload, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, setElement, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.gwt.event.shared.HasHandlers

fireEvent

Constructor Detail

EventfulFileUpload

public EventfulFileUpload()

A constructor for this class.

Method Detail

addEventListener

public void addEventListener(FileUploadEventListener listener)

Add a file upload listener.

Parameters:

listener - The listener object.

onBrowserEvent

public final void onBrowserEvent(Event event)

Specified by:

onBrowserEvent in interface EventListener

Overrides:

onBrowserEvent in class FileUpload