/**
* Removes presenter from most popular meals
*
* @param meal
*/
private void removeMostPopularPresenter(MealModel meal) {
try {
// remove also from presenters
for (int i = 0; i < mostPopularPresenters.size(); i++) {
MealLinkPresenter presenter = mostPopularPresenters.get(i);
if (presenter != null && presenter.meal.getId() == meal.getId()) {
presenter.stop();
mostPopularPresenters.remove(presenter);
}
}
// if no meals -> show empty presenter
if (mostPopularPresenters.size() == 0) {
if (emptyPresenter2 != null) {
emptyPresenter2.stop();
}
emptyPresenter2 =
new EmptyPresenter(
rpcService,
eventBus,
(EmptyDisplay) GWT.create(EmptyView.class),
AppController.Lang.NoMeals());
emptyPresenter2.run(display.getMostPopularContainer());
}
} catch (Exception e) {
Motiver.showException(e);
}
}
/**
* Adds new presenter to view (most popular meals)
*
* @param presenter
*/
protected void addNewMostPopularPresenter(MealLinkPresenter presenter) {
try {
// remove emptypresenter if present
if (emptyPresenter2 != null) {
emptyPresenter2.stop();
emptyPresenter2 = null;
}
mostPopularPresenters.add(presenter);
presenter.run(display.getMostPopularContainer());
} catch (Exception e) {
Motiver.showException(e);
}
}
/** Loads meals */
void loadMostPopularMeals(final int index) {
if (emptyPresenter2 != null) {
emptyPresenter2.stop();
}
// stop show more
if (showMorePresenter2 != null) {
showMorePresenter2.stop();
}
// stop presenters if first items
if (index == 0) {
unbindPresenters(2);
}
// add empty presenter
emptyPresenter2 =
new EmptyPresenter(
rpcService,
eventBus,
(EmptyDisplay) GWT.create(EmptyView.class),
EmptyPresenter.EMPTY_LOADING);
emptyPresenter2.run(display.getMostPopularContainer());
// load most popular
Motiver.setNextCallCacheable(true);
final Request req =
rpcService.getMostPopularMeals(
index,
new MyAsyncCallback<List<MealModel>>() {
@Override
public void onSuccess(List<MealModel> result) {
showMostPopularMeals(index, result);
}
});
addRequest(req);
}
/**
* Shows most popular meals
*
* @param list : MealModels
* @param openFirst : open first meal
*/
private void showMostPopularMeals(final int index, List<MealModel> list) {
try {
if (emptyPresenter2 != null) {
emptyPresenter2.stop();
}
// stop show more
if (showMorePresenter2 != null) {
showMorePresenter2.stop();
}
// stop presenters if first items
if (index == 0) {
unbindPresenters(2);
}
// if no meals
if (index == 0 && list.size() == 0) {
emptyPresenter2 =
new EmptyPresenter(
rpcService,
eventBus,
(EmptyDisplay) GWT.create(EmptyView.class),
AppController.Lang.NoMeals());
emptyPresenter2.run(display.getMostPopularContainer());
} else {
for (final MealModel m : list) {
// if null value -> list was limited -> add showMorePresenter
if (m == null) {
showMorePresenter2 =
new ShowMorePresenter(
rpcService,
eventBus,
(ShowMoreDisplay) GWT.create(ShowMoreView.class),
new ShowMoreHandler() {
@Override
public void showMore() {
loadMostPopularMeals(index + Constants.LIMIT_MEALS);
}
});
showMorePresenter2.run(display.getMostPopularContainer());
} else {
// new presenter
final MealLinkPresenter wp =
new MealLinkPresenter(
rpcService,
eventBus,
(MealLinkDisplay) GWT.create(MealLinkView.class),
m,
quickSelectionEnabled);
addNewMostPopularPresenter(wp);
}
}
}
} catch (Exception e) {
Motiver.showException(e);
}
}
