public DiscountsPage() {
/* Section 9.1 */
RefreshingView discountsView =
new RefreshingView("list") {
private List<Discount> discounts;
@Override
protected Iterator getItemModels() {
if (discounts == null) {
discounts = DataBase.getInstance().listDiscounts();
}
return new ModelIteratorAdapter(discounts.iterator()) {
@Override
protected IModel model(Object object) {
return EqualsDecorator.decorate(new CompoundPropertyModel((Discount) object));
}
};
}
@Override
protected void populateItem(Item item) {
item.add(new Label("cheese.name"));
item.add(new PercentageField("discount"));
item.add(new RequiredTextField("description"));
item.add(new DateField("from"));
item.add(new DateField("until"));
final Discount discount = (Discount) item.getModelObject();
final Link removeLink =
new Link("remove") {
@Override
public void onClick() {
DataBase.getInstance().remove(discount);
}
};
item.add(removeLink);
removeLink.add(
new Image(
"icon", new ResourceReference(DiscountsEditList.class, "remove_icon.gif")));
removeLink.add(
new SimpleAttributeModifier(
"onclick",
"if(!confirm('remove discount for "
+ discount.getCheese().getName()
+ " ?')) return false;"));
}
};
discountsView.setItemReuseStrategy(ReuseIfModelsEqualStrategy.getInstance());
add(discountsView);
}
@Override
public void onAfterRender(Component component) {
if (component instanceof RefreshingView<?>) {
// Nettoyage des metadonnées ajoutées dans onBeforeRender
RefreshingView<?> form = (RefreshingView<?>) component;
form.visitChildren(
FormComponent.class,
new IVisitor<FormComponent<?>, Void>() {
@Override
public void component(FormComponent<?> formComponent, IVisit<Void> visit) {
formComponent.setMetaData(HAS_ERROR, null);
}
});
}
}
@Override
public void onBeforeRender(Component component) {
if (component instanceof RefreshingView<?>) {
RefreshingView<?> form = (RefreshingView<?>) component;
form.visitChildren(
FormComponent.class,
new IVisitor<FormComponent<?>, Void>() {
@Override
public void component(FormComponent<?> formComponent, IVisit<Void> visit) {
if (hasError(formComponent)) {
formComponent.setMetaData(HAS_ERROR, HAS_ERROR);
}
}
});
}
}
@Override
protected void onBeforeRender() {
cachedPageCount = -1;
super.onBeforeRender();
}
/** Cleanup */
@Override
protected void onDetach() {
super.onDetach();
queryResult = null;
}