Let's start with thumbnails.
First of all... if in the ERAttachmentViewer I bind either the width or height, it resize correctly the picture.. now.. the question is can this become "heavy"? I think I'll use the thumbs only in list pages..or is better to create the thumb on insertion and simply display it later?
About D2W rule... if i use as a component ERDList, I don't have the new button to add the image.
This is the entity I create:
If I don't create any rule, this is what I see in the CreateProduct page:
Then, if I press New:
Nov 23 11:47:47 PNStoreAdmin[5100] WARN NSLog - <er.ajax.AjaxRequestHandler>: Exception occurred while handling request:
com.webobjects.foundation.NSForwardException [java.lang.InstantiationException] null:<er.attachment.model.ERAttachment> is an abstract class. It can not be instantiated !
[2010-11-23 11:47:47 CET] <WorkerThread3> com.webobjects.foundation.NSForwardException [java.lang.InstantiationException] null:<er.attachment.model.ERAttachment> is an abstract class. It can not be instantiated !
at com.webobjects.foundation._NSUtilities._explainInstantiationException(_NSUtilities.java:616)
at com.webobjects.foundation._NSUtilities.instantiateObjectWithConstructor(_NSUtilities.java:665)
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