/** * Removes presenter from user meals * * @param meal */ private void removeMyMealPresenter(MealModel meal) { try { // remove also from presenters for (int i = 0; i < myMealPresenters.size(); i++) { MealLinkPresenter presenter = myMealPresenters.get(i); if (presenter != null && presenter.meal.getId() == meal.getId()) { presenter.stop(); myMealPresenters.remove(presenter); } } // if no meals -> show empty presenter if (myMealPresenters.size() == 0) { if (emptyPresenter != null) { emptyPresenter.stop(); } emptyPresenter = new EmptyPresenter( rpcService, eventBus, (EmptyDisplay) GWT.create(EmptyView.class), AppController.Lang.NoMeals()); emptyPresenter.run(display.getMyMealsContainer()); } } catch (Exception e) { Motiver.showException(e); } }
/** * Adds new presenter to view (my meals) * * @param presenter */ protected void addNewMyMealPresenter(MealLinkPresenter presenter) { try { // remove emptypresenter if present if (emptyPresenter != null) { emptyPresenter.stop(); emptyPresenter = null; } myMealPresenters.add(presenter); presenter.run(display.getMyMealsContainer()); } catch (Exception e) { Motiver.showException(e); } }
@Override public void onBind() { display.setHandler( new MealsListSubHandler() { @Override public void createMeal(String name) { // Create new meal MealModel model = new MealModel(); eventBus.fireEvent(new MealShowEvent(model)); } }); // EVENT: meal removed addEventHandler( MealRemovedEvent.TYPE, new MealRemovedEventHandler() { @Override public void onMealRemoved(MealRemovedEvent event) { // if meal in list if (event.getMeal() != null) { if (event.getMeal().getTimeId() == 0) { removeMyMealPresenter(event.getMeal()); removeMostPopularPresenter(event.getMeal()); } } } }); // EVENT: meal created -> reload meals addEventHandler( MealCreatedEvent.TYPE, new MealCreatedEventHandler() { @Override public void onMealCreated(MealCreatedEvent event) { if (event.getMeal().getTimeId() == 0) { reloadMeals = true; } } }); }
/** Loads meals */ void loadMyMeals(final int index) { if (emptyPresenter != null) { emptyPresenter.stop(); } // stop show more if (showMorePresenter != null) { showMorePresenter.stop(); } // stop presenters if first items if (index == 0) { unbindPresenters(1); } // add empty presenter emptyPresenter = new EmptyPresenter( rpcService, eventBus, (EmptyDisplay) GWT.create(EmptyView.class), EmptyPresenter.EMPTY_LOADING); emptyPresenter.run(display.getMyMealsContainer()); // get meals Motiver.setNextCallCacheable(true); final Request req = rpcService.getMeals( index, new MyAsyncCallback<List<MealModel>>() { @Override public void onSuccess(List<MealModel> result) { showMyMeals(index, result); } }); addRequest(req); }
/** * Shows user's meals * * @param list : MealModels */ private void showMyMeals(final int index, List<MealModel> list) { try { if (emptyPresenter != null) { emptyPresenter.stop(); } // stop show more if (showMorePresenter != null) { showMorePresenter.stop(); } // stop presenters if first items if (index == 0) { unbindPresenters(1); } // if no meals if (index == 0 && list.size() == 0) { emptyPresenter = new EmptyPresenter( rpcService, eventBus, (EmptyDisplay) GWT.create(EmptyView.class), AppController.Lang.NoMeals()); emptyPresenter.run(display.getMyMealsContainer()); } else { for (final MealModel m : list) { // if null value -> list was limited -> add showMorePresenter if (m == null) { showMorePresenter = new ShowMorePresenter( rpcService, eventBus, (ShowMoreDisplay) GWT.create(ShowMoreView.class), new ShowMoreHandler() { @Override public void showMore() { loadMyMeals(index + Constants.LIMIT_MEALS); } }); showMorePresenter.run(display.getMyMealsContainer()); } else { // new presenter final MealLinkPresenter wp = new MealLinkPresenter( rpcService, eventBus, (MealLinkDisplay) GWT.create(MealLinkView.class), m, quickSelectionEnabled); addNewMyMealPresenter(wp); } } } } catch (Exception e) { Motiver.showException(e); } }