com.google.gwt.user.client.ui
Class Image

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.Image

All Implemented Interfaces:

EventListener, SourcesClickEvents, SourcesLoadEvents, SourcesMouseEvents

public class Image

extends Widget

implements SourcesClickEvents, SourcesMouseEvents, SourcesLoadEvents

A widget that displays the image at a given URL.

CSS Style Rules

• .gwt-Image { }

Example

code

Field Summary

Fields inherited from class java.lang.Object

typeId, typeName

Constructor Summary

Image()
Creates an empty image.

Image(String url)
Creates an image with a specified URL.

Method Summary

void	addClickListener(ClickListener listener) Adds a listener interface to receive click events.
void	addLoadListener(LoadListener listener) Adds a listener interface to receive load events.
void	addMouseListener(MouseListener listener) Adds a listener interface to receive mouse events.
String	getUrl() Gets the URL of the image.
void	onBrowserEvent(Event event) Fired whenever a browser event is received.
static void	prefetch(String url) Causes the browser to pre-fetch the image at a given URL.
void	removeClickListener(ClickListener listener) Removes a previously added listener interface.
void	removeLoadListener(LoadListener listener) Removes a previously added listener interface.
void	removeMouseListener(MouseListener listener) Removes a previously added listener interface.
void	setUrl(String url) Sets the URL of the image to be displayed.

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

getParent, isAttached, onAttach, onDetach, onLoad

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

addStyleName, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleName, isVisible, isVisible, removeStyleName, setElement, setHeight, setPixelSize, setSize, setStyleName, setStyleName, setVisible, setVisible, setWidth, sinkEvents, toString, unsinkEvents

Methods inherited from class java.lang.Object

equals, finalize, hashCode

Constructor Detail

Image

public Image()

Creates an empty image.

Image

public Image(String url)

Creates an image with a specified URL.

Parameters:

url - the URL of the image to be displayed

Method Detail

prefetch

public static void prefetch(String url)

Causes the browser to pre-fetch the image at a given URL.

Parameters:

url - the URL of the image to be prefetched

addClickListener

public void addClickListener(ClickListener listener)

Description copied from interface: SourcesClickEvents

Adds a listener interface to receive click events.

Specified by:

addClickListener in interface SourcesClickEvents

Parameters:

listener - the listener interface to add

addLoadListener

public void addLoadListener(LoadListener listener)

Description copied from interface: SourcesLoadEvents

Adds a listener interface to receive load events.

Specified by:

addLoadListener in interface SourcesLoadEvents

Parameters:

listener - the listener interface to add

addMouseListener

public void addMouseListener(MouseListener listener)

Description copied from interface: SourcesMouseEvents

Adds a listener interface to receive mouse events.

Specified by:

addMouseListener in interface SourcesMouseEvents

Parameters:

listener - the listener interface to add

getUrl

public String getUrl()

Gets the URL of the image.

Returns:

the image URL

onBrowserEvent

public void onBrowserEvent(Event event)

Description copied from interface: EventListener

Fired whenever a browser event is received.

Specified by:

onBrowserEvent in interface EventListener

Overrides:

onBrowserEvent in class Widget

removeClickListener

public void removeClickListener(ClickListener listener)

Description copied from interface: SourcesClickEvents

Removes a previously added listener interface.

Specified by:

removeClickListener in interface SourcesClickEvents

Parameters:

listener - the listener interface to remove

removeLoadListener

public void removeLoadListener(LoadListener listener)

Description copied from interface: SourcesLoadEvents

Removes a previously added listener interface.

Specified by:

removeLoadListener in interface SourcesLoadEvents

Parameters:

listener - the listener interface to remove

removeMouseListener

public void removeMouseListener(MouseListener listener)

Description copied from interface: SourcesMouseEvents

Removes a previously added listener interface.

Specified by:

removeMouseListener in interface SourcesMouseEvents

Parameters:

listener - the listener interface to remove

setUrl

public void setUrl(String url)

Sets the URL of the image to be displayed.

Parameters:

url - the image URL