org.vectomatic.svg.edit.client.utils

Class ImageLoader

java.lang.Object

org.vectomatic.svg.edit.client.utils.ImageLoader

All Implemented Interfaces:

com.google.gwt.event.logical.shared.HasInitializeHandlers, com.google.gwt.event.shared.HasHandlers

public class ImageLoader
extends Object
implements com.google.gwt.event.logical.shared.HasInitializeHandlers

Class to preload a list of images

Author:

laaglu

Field Summary

Fields

Modifier and Type	Field and Description
protected List<SimpleImage>	images
protected com.google.gwt.resources.client.ImageResource[]	resources

Constructor Summary

Constructors

Constructor and Description
ImageLoader() Constructor

Method Summary

Modifier and Type	Method and Description
com.google.gwt.event.shared.HandlerRegistration	addInitializeHandler(com.google.gwt.event.logical.shared.InitializeHandler handler)
void	fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)
Map<com.google.gwt.resources.client.ImageResource,SimpleImage>	getImages() Returns the preloaded images.
void	loadImages(com.google.gwt.resources.client.ImageResource[] resources) Preloads the specified images, asynchronously.

Methods inherited from class java.lang.Object

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

Field Detail

images

protected List<SimpleImage> images

resources

protected com.google.gwt.resources.client.ImageResource[] resources

Constructor Detail

ImageLoader

public ImageLoader()

Constructor

Method Detail

loadImages

public void loadImages(com.google.gwt.resources.client.ImageResource[] resources)

Preloads the specified images, asynchronously. Once loaded, a LoadEvent is fired.

Parameters:

resources - The images to preload.

getImages

public Map<com.google.gwt.resources.client.ImageResource,SimpleImage> getImages()

Returns the preloaded images.

Returns:

the preloaded images.

Throws:

IllegalStateException - if this method is invoked synchronously before the LoadEvent has been fired.

fireEvent

public void fireEvent(com.google.gwt.event.shared.GwtEvent<?> event)

Specified by:

fireEvent in interface com.google.gwt.event.shared.HasHandlers

addInitializeHandler

public com.google.gwt.event.shared.HandlerRegistration addInitializeHandler(com.google.gwt.event.logical.shared.InitializeHandler handler)

Specified by:

addInitializeHandler in interface com.google.gwt.event.logical.shared.HasInitializeHandlers