Hello all,
Here is my Tapestry 5.2 code for InjectSelectionModelWorker.
Its aim is to add these 2 methods
public GenericSelectionModel<Menu> getEntitiesSelectionModel () {
return (new GenericSelectionModel<Menu>(getEntities (), "label",
_access));
}
public GenericValueEncoder<Menu> getEntitiesValueEncoder () {
return (new GenericValueEncoder<Menu>(getEntities (), "id",
_access));
}
thanks to the annotation
@InjectSelectionModel(fieldId = "id", fieldLabel = "label")
The problem is that lList is null.
public class InjectSelectionModelWorker implements
ComponentClassTransformWorker {
private PropertyAccess mPropertyAccess;
public InjectSelectionModelWorker (PropertyAccess pPropertyAccess) {
mPropertyAccess = pPropertyAccess;
}
public void transform (ClassTransformation pClassTransformation,
MutableComponentModel pMutableComponentModel) {
for (TransformField lTransformField :
matchInjectSelectionModelFields
(pClassTransformation)) {
addCodeMethodsForInjectSelectionModelField
(pClassTransformation,
pMutableComponentModel, lTransformField);
}
}
private void addCodeMethodsForInjectSelectionModelField
(ClassTransformation pClassTransformation, MutableComponentModel
pMutableComponentModel, TransformField pTransformField) {
InjectSelectionModel lAnnotation = pTransformField.getAnnotation
(InjectSelectionModel.class);
String lInjectSelectionModelFieldName =
InternalUtils.stripMemberName
(pTransformField.getName ());
String lInjectSelectionModelFieldId = lAnnotation.fieldId ();
String lInjectSelectionModelFieldLabel = lAnnotation.fieldLabel
();
addGetValueEncoderMethod (pClassTransformation, pTransformField,
lInjectSelectionModelFieldName, lInjectSelectionModelFieldId);
addGetSelectionModelMethod (pClassTransformation,
pTransformField,
lInjectSelectionModelFieldName, lInjectSelectionModelFieldLabel);
}
private void addGetValueEncoderMethod (ClassTransformation
pClassTransformation, TransformField pTransformField, String
pInjectSelectionModelFieldName, final String pInjectSelectionModelFieldId) {
String lMethodName = "get" + InternalUtils.capitalize
(InternalUtils.stripMemberName (pInjectSelectionModelFieldName)) +
"ValueEncoder";
TransformMethodSignature lTransformMethodSignature = new
TransformMethodSignature (Modifier.PUBLIC,
(GenericValueEncoder.class).getName (), lMethodName, null, null);
ensureNotOverride (pClassTransformation,
lTransformMethodSignature);
final FieldAccess lFieldAccess = pTransformField.getAccess ();
pClassTransformation.getOrCreateMethod
(lTransformMethodSignature).addAdvice (new ComponentMethodAdvice () {
public void advise (ComponentMethodInvocation
lComponentMethodInvocation)
{
Object lList = lFieldAccess.read
(lComponentMethodInvocation.getInstance
());
System.out.println
("*******************************" + lList);
lComponentMethodInvocation.overrideResult (new
GenericValueEncoder
((List)lList, pInjectSelectionModelFieldId, mPropertyAccess));
}
});
}
}
Thanks a lot for your help.
Regards.
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