I have an Image (imgThumbnailSelected) that shows the thumbnail (Resource
thumbnailResource) of a selected image (selectedImage object).
If no image is selected imgThumbnailSelected should show a placeholder
(ResourceReference DialogImagePage.IMG_NO_IMAGE).
I defined the Image and its Model like this:
// thumbnail of selected image
imgThumbnailSelected = new
wicket.markup.html.image.Image("imgThumbnailSelected", new Model()
{
public Object getObject(Component comp)
{
PixoCMSRepository repository = PixoCMSRepository.getInstance();
Resource thumbnailResource =
repository.getThumbnailResource(selectedImage);
if (thumbnailResource == null)
{
ResourceReference result = DialogImagePage.IMG_NO_IMAGE;
return result;
} else {
return thumbnailResource;
}
}
});
imgThumbnailSelected.setOutputMarkupId(true);
add(imgThumbnailSelected);
At the beginning when there is no image selected I always get an empty page
because of this warning:
wicket.markup.html.PackageResource getResourceStream
WARNUNG: Unable to find package resource [path =
de/pixotec/webapps/kms/wicket/panels/[ResourceReference name =
res/noimage.jpg, scope = class
wicket.extensions.markup.html.form.wysiwyg.DialogImagePage, locale = null,
style = null], style = null, locale = de_DE]
"de/pixotec/webapps/kms/wicket/panels" is the package of the panel
containing above code.
the ResourceReference logged is correct.
When I do a static Model like this:
imgThumbnailSelected = new
wicket.markup.html.image.Image("imgThumbnailSelected",DialogImagePage.IMG_NO_IMAGE);
it works and the "no image"-image is shown.
How to make the dynamic code work?
Is it a problem that the returned model-object is once a ResourceReference
and once a Reference (Image has constructors for both arguments...)?
Is the Model converted to String as argument for the Image-constructor? If
so: how to force using returned ResourceReference/Reference-objects as
argument for constructors?
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