Java tutorial
/* * Calendula - An assistant for personal medication management. * Copyright (C) 2016 CITIUS - USC * * Calendula is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this software. If not, see <http://www.gnu.org/licenses/>. */ package es.usc.citius.servando.calendula.fragments; import android.content.Intent; import android.graphics.drawable.Drawable; import android.os.Build; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.support.v4.app.ActivityOptionsCompat; import android.support.v4.app.Fragment; import android.support.v4.util.Pair; import android.support.v7.widget.DefaultItemAnimator; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import com.mikepenz.google_material_typeface_library.GoogleMaterial; import com.mikepenz.iconics.IconicsDrawable; import org.joda.time.DateTime; import org.joda.time.Interval; import org.joda.time.LocalDate; import org.joda.time.LocalTime; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.HashMap; import java.util.List; import java.util.Map; import es.usc.citius.servando.calendula.DailyAgendaRecyclerAdapter; import es.usc.citius.servando.calendula.R; import es.usc.citius.servando.calendula.activities.ConfirmActivity; import es.usc.citius.servando.calendula.database.DB; import es.usc.citius.servando.calendula.persistence.DailyScheduleItem; import es.usc.citius.servando.calendula.persistence.Medicine; import es.usc.citius.servando.calendula.persistence.Routine; import es.usc.citius.servando.calendula.persistence.Schedule; import es.usc.citius.servando.calendula.persistence.ScheduleItem; import es.usc.citius.servando.calendula.util.DailyAgendaItemStub; import es.usc.citius.servando.calendula.util.DailyAgendaItemStub.DailyAgendaItemStubElement; /** * Daily agenda fragment */ public class DailyAgendaFragment extends Fragment { final String TAG = "DailyAgendaFragment"; View emptyView; LinearLayoutManager llm; RecyclerView rv; DailyAgendaRecyclerAdapter rvAdapter; DailyAgendaRecyclerAdapter.EventListener rvListener; List<DailyAgendaItemStub> items = new ArrayList<>(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); items = new ArrayList<>(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_daily_agenda, container, false); rv = (RecyclerView) rootView.findViewById(R.id.rv); emptyView = rootView.findViewById(R.id.empty_view_placeholder); setupRecyclerView(); setupEmptyView(); return rootView; } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); notifyDataChange(); } private void setupRecyclerView() { llm = new LinearLayoutManager(getContext()); rv.setLayoutManager(llm); rvAdapter = new DailyAgendaRecyclerAdapter(items, rv, llm, getActivity()); rv.setAdapter(rvAdapter); rv.setItemAnimator(new DefaultItemAnimator()); rvListener = new DailyAgendaRecyclerAdapter.EventListener() { DateTime firstTime = null; @Override public void onItemClick(View v, DailyAgendaItemStub item, int position) { showConfirmActivity(v, item, position); } @Override public void onBeforeToggleCollapse(boolean expanded, boolean somethingVisible) { int firstPosition = llm.findFirstVisibleItemPosition(); firstTime = firstPosition >= 0 && firstPosition < items.size() ? items.get(firstPosition).dateTime() : null; Log.d(TAG, "OnBeforeCollapse, somethingVisible is " + somethingVisible); if (expanded) { showOrHideEmptyView(false); } else if (!expanded && somethingVisible) { showOrHideEmptyView(false); } else { showOrHideEmptyView(true); } } @Override public void onAfterToggleCollapse(boolean expanded, boolean somethingVisible) { if (expanded && firstTime != null) { scrollTo(firstTime); } firstTime = null; } }; rvAdapter.setListener(rvListener); } private void setupEmptyView() { Drawable icon = new IconicsDrawable(getContext()).icon(GoogleMaterial.Icon.gmd_alarm_check) .colorRes(R.color.agenda_item_title).sizeDp(90).paddingDp(0); ((ImageView) emptyView.findViewById(R.id.imageView_ok)).setImageDrawable(icon); } private void showConfirmActivity(View view, DailyAgendaItemStub item, int position) { Intent i = new Intent(getContext(), ConfirmActivity.class); i.putExtra("position", position); i.putExtra("date", item.date.toString("dd/MM/YYYY")); if (item.isRoutine) { i.putExtra("routine_id", item.id); } else { i.putExtra("schedule_id", item.id); i.putExtra("schedule_time", item.time.toString("kk:mm")); } if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { View v1 = view.findViewById(R.id.patient_avatar); View v2 = view.findViewById(R.id.linearLayout); View v3 = view.findViewById(R.id.routines_list_item_name); if (v1 != null && v2 != null && v3 != null) { ActivityOptionsCompat activityOptions = ActivityOptionsCompat.makeSceneTransitionAnimation( getActivity(), new Pair<>(v1, "avatar_transition"), new Pair<>(v2, "time"), new Pair<>(v3, "title")); ActivityCompat.startActivity(getActivity(), i, activityOptions.toBundle()); } else { startActivity(i); } } else { startActivity(i); } } public List<DailyAgendaItemStub> buildItems() { List<DailyAgendaItemStub> stubs = new ArrayList<>(); final List<DailyScheduleItem> daily = DB.dailyScheduleItems().findAll(); DateTime max = DateTime.now().withTimeAtStartOfDay(); DateTime min = DateTime.now().withTimeAtStartOfDay(); // create stubs for hourly schedule items for (DailyScheduleItem dailyScheduleItem : daily) { if (dailyScheduleItem.boundToSchedule()) { Schedule schedule = dailyScheduleItem.schedule(); Medicine medicine = schedule.medicine(); LocalTime time = dailyScheduleItem.time(); LocalDate date = dailyScheduleItem.date(); // create a stub for this item DailyAgendaItemStub stub = new DailyAgendaItemStub(date, time); stub.isRoutine = false; stub.meds = new ArrayList<>(); stub.hasEvents = true; stub.id = schedule.getId(); stub.patient = schedule.patient(); stub.isRoutine = false; stub.title = schedule.toReadableString(getContext()); stub.time = time; // create a element for the schedule item DailyAgendaItemStubElement el = new DailyAgendaItemStubElement(); el.medName = medicine.name(); el.dose = schedule.dose(); el.displayDose = schedule.displayDose(); el.res = medicine.presentation().getDrawable(); el.presentation = medicine.presentation(); el.minute = time.toString("mm"); el.taken = dailyScheduleItem.takenToday(); stub.meds.add(el); stubs.add(stub); DateTime candidate = stub.date.toDateTime(stub.time); if (candidate.isAfter(max)) { max = candidate; } if (candidate.isBefore(min)) { min = candidate; } } } final Map<LocalDate, Map<Routine, DailyAgendaItemStub>> dateStubs = new HashMap<>(); // create stubs for routine items for (Routine routine : DB.routines().findAll()) { for (ScheduleItem scheduleItem : routine.scheduleItems()) { // get item from daily agenda if exists List<DailyScheduleItem> dailyScheduleItems = DB.dailyScheduleItems() .findAllByScheduleItem(scheduleItem); for (DailyScheduleItem dailyScheduleItem : dailyScheduleItems) { // break if not, this means is not enabled for today if (dailyScheduleItem == null) { break; } LocalDate date = dailyScheduleItem.date(); if (!dateStubs.containsKey(date)) { dateStubs.put(date, new HashMap<Routine, DailyAgendaItemStub>()); } Map<Routine, DailyAgendaItemStub> routineStubs = dateStubs.get(date); DailyAgendaItemStub stub; LocalTime time = routine.time(); if (!routineStubs.containsKey(routine)) { // create a new stub and add it to the list stub = new DailyAgendaItemStub(date, routine.time()); stub.isRoutine = true; stub.id = routine.getId(); stub.patient = routine.patient(); stub.title = routine.name(); stub.time = time; stub.meds = new ArrayList<>(); stub.hasEvents = true; routineStubs.put(routine, stub); DateTime candidate = stub.date.toDateTime(stub.time); if (candidate.isAfter(max)) { max = candidate; } if (candidate.isBefore(min)) { min = candidate; } } else { stub = routineStubs.get(routine); } Schedule schedule = scheduleItem.schedule(); Medicine medicine = schedule.medicine(); DailyAgendaItemStubElement el = new DailyAgendaItemStubElement(); // add element properties el.medName = medicine.name(); el.dose = scheduleItem.dose(); el.scheduleItemId = scheduleItem.getId(); el.displayDose = scheduleItem.displayDose(); el.res = medicine.presentation().getDrawable(); el.presentation = medicine.presentation(); el.minute = time.toString("mm"); el.taken = dailyScheduleItem.takenToday(); stub.meds.add(el); } } } for (LocalDate date : dateStubs.keySet()) { Map<Routine, DailyAgendaItemStub> routineStubs = dateStubs.get(date); for (Routine r : routineStubs.keySet()) { stubs.add(routineStubs.get(r)); } } addEmptyHours(stubs, DateTime.now().minusDays(1), max); Collections.sort(stubs, DailyAgendaItemStubComparator.instance); return stubs; } public void addEmptyHours(List<DailyAgendaItemStub> stubs, DateTime min, DateTime max) { min = min.withTimeAtStartOfDay(); max = max.withTimeAtStartOfDay().plusDays(1); // end of the day // add empty hours if there is not an item with the same hour for (DateTime start = min; start.isBefore(max); start = start.plusHours(1)) { boolean exact = false; for (DailyAgendaItemStub item : items) { if (start.equals(item.dateTime())) { exact = true; break; } } Interval hour = new Interval(start, start.plusHours(1)); if (!exact || hour.contains(DateTime.now())) { stubs.add(new DailyAgendaItemStub(start.toLocalDate(), start.toLocalTime())); } if (start.getHourOfDay() == 0) { DailyAgendaItemStub spacer = new DailyAgendaItemStub(start.toLocalDate(), start.toLocalTime()); spacer.isSpacer = true; stubs.add(spacer); } } } public void showOrHideEmptyView(boolean show) { if (show) { emptyView.setVisibility(View.VISIBLE); //emptyView.animate().alpha(1); } else { emptyView.setVisibility(View.GONE); // emptyView.animate().alpha(0).setListener(new AnimatorListenerAdapter() { // @Override // public void onAnimationEnd(Animator animation) { // // } // }); } } public void toggleViewMode() { rvAdapter.toggleCollapseMode(); } public void refresh() { rvAdapter.notifyDataSetChanged(); } public void refreshPosition(int position) { if (position == -1) { notifyDataChange(); return; } else if (position >= 0 && position < items.size()) { rvAdapter.updatePosition(position); } } public void scrollTo(DateTime time) { int position = 0; for (DailyAgendaItemStub stub : items) { if (stub.dateTime().isAfter(time)) { break; } position++; } if (position > 0) llm.scrollToPositionWithOffset(position - 1, 50); } public boolean isExpanded() { return rvAdapter.isExpanded(); } public void notifyDataChange() { try { Log.d(TAG, "AgendaView NotifyDataChange"); items.clear(); items.addAll(buildItems()); Log.d(TAG, "Items after rebuild " + items.size()); rvAdapter.notifyDataSetChanged(); // show empty list view if there are no items rv.postDelayed(new Runnable() { @Override public void run() { showOrHideEmptyView(!rvAdapter.isShowingSomething()); } }, 100); } catch (Exception e) { Log.e(TAG, "Error onPostExecute", e); } } public void onUserUpdate() { notifyDataChange(); } private static class DailyAgendaItemStubComparator implements Comparator<DailyAgendaItemStub> { static final DailyAgendaItemStubComparator instance = new DailyAgendaItemStubComparator(); private DailyAgendaItemStubComparator() { } @Override public int compare(DailyAgendaItemStub a, DailyAgendaItemStub b) { DateTime aT = a.date.toDateTime(a.time); DateTime bT = b.date.toDateTime(b.time); if (aT.compareTo(bT) == 0 && a.isSpacer) { return -1; } else if (aT.compareTo(bT) == 0 && b.isSpacer) { return 1; } else if (aT.compareTo(bT) == 0) { return a.hasEvents ? -1 : 1; } return aT.compareTo(bT); } } }