I am seeking a solution and found this mail.
This is a very useful implementation.
I strongly suggest future wicket to include this Component.
Thank you , Jeremy
--
smallufo
2008/10/8 Jeremy Thomerson <jer...@wickettraining.com>
> This doesn't preload the images, but it is a simple way to do a Mouseover.
> You could easily add a header contributor within the constructor of this
> class that outputs some javascript to preload the images.
>
> public class MouseoverImage extends Image {
> private static final long serialVersionUID = 1L;
>
> private final ResourceReference mImage;
> private final ResourceReference mMouseoverImage;
>
> public MouseoverImage(String id, ResourceReference image,
> ResourceReference
> mouseoverImage) {
> super(id, image);
> mImage = image;
> mMouseoverImage = mouseoverImage;
> add(new AttributeModifier("onmouseover", null, true, new
> LoadableDetachableModel<String>() {
> private static final long serialVersionUID = 1L;
> @Override
> protected String load() {
> return "this.src='" + urlFor(mMouseoverImage) + "';";
> }
>
> }));
> add(new AttributeModifier("onmouseout", null, true, new
> LoadableDetachableModel<String>() {
> private static final long serialVersionUID = 1L;
> @Override
> protected String load() {
> return "this.src='" + urlFor(mImage) + "';";
> }
>
> }));
> }
> }
>
