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Apache License
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package com.ecollege.android; /*from ww w. j a va 2 s .co m*/ import java.util.Calendar; import java.util.Collections; import java.util.Date; import java.util.GregorianCalendar; import java.util.List; import org.joda.time.DateTime; import org.joda.time.Months; import roboguice.inject.InjectResource; import roboguice.inject.InjectView; import android.content.Intent; import android.content.SharedPreferences; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.Spinner; import com.ecollege.android.activities.ECollegeListActivity; import com.ecollege.android.adapter.ActivityFeedAdapter; import com.ecollege.android.adapter.UberItem; import com.ecollege.android.adapter.UberItem.UberItemType; import com.ecollege.android.adapter.UpcomingEventsAdapter; import com.ecollege.android.tasks.TaskPostProcessor; import com.ecollege.android.util.CacheConfiguration; import com.ecollege.api.ECollegeClient; import com.ecollege.api.model.ActivityStreamItem; import com.ecollege.api.model.Course; import com.ecollege.api.model.UpcomingEventItem; import com.ecollege.api.model.UpcomingEventItem.UpcomingEventType; import com.ecollege.api.services.activities.FetchMyWhatsHappeningFeed; import com.ecollege.api.services.upcoming.FetchMyUpcomingEventsService; import com.google.inject.Inject; public class HomeActivity extends ECollegeListActivity { @Inject ECollegeApplication app; @Inject SharedPreferences prefs; @InjectResource(R.array.home_navigation_items) String[] homeNavigationItems; @InjectView(R.id.navigation_dropdown) Spinner navigationSpinner; @InjectView(R.id.reload_button) Button reloadButton; protected static final int ACTIVITY_POSITION = 0; protected static final int UPCOMING_POSITION = 1; protected ECollegeClient client; LayoutInflater mInflater; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.home); mInflater = getLayoutInflater(); client = app.getClient(); setUpNavigation(); if (savedInstanceState != null) { canLoadMoreActivites = savedInstanceState.getBoolean("canLoadMoreActivites", true); } boolean showWhatsDue = prefs.getBoolean("showWhatsDue", true); if (showWhatsDue) { navigationSpinner.setSelection(UPCOMING_POSITION); } else { navigationSpinner.setSelection(ACTIVITY_POSITION); } reloadButton.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { reloadCurrentFeed(); } }); loadAndDisplayListForSelectedType(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putBoolean("canLoadMoreActivites", canLoadMoreActivites); if (navigationSpinner != null) { prefs.edit().putBoolean("showWhatsDue", upcomingIsSelected()).commit(); } } protected void setUpNavigation() { ArrayAdapter<String> adapter = new ArrayAdapter<String> (this, R.layout.transparent_spinner_text_view, homeNavigationItems); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); navigationSpinner.setAdapter(adapter); navigationSpinner.setOnItemSelectedListener(new OnItemSelectedListener() { public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { navigationChanged(arg2); } public void onNothingSelected(AdapterView<?> arg0) { } }); } protected void navigationChanged(int newPosition) { loadAndDisplayListForSelectedType(); } protected void loadAndDisplayListForSelectedType() { ListAdapter chosenAdapter; if (upcomingIsSelected()) { chosenAdapter = createOrReturnUpcomingAdapter(); } else { chosenAdapter = createOrReturnActivitiesAdapter(); } setListAdapter(chosenAdapter); } private UpcomingEventsAdapter upcomingEventsAdapter; private boolean canLoadMoreUpcomingEvents = true; protected ListAdapter createOrReturnUpcomingAdapter() { if (upcomingEventsAdapter == null) { upcomingEventsAdapter = new UpcomingEventsAdapter(this,canLoadMoreUpcomingEvents); fetchUpcomingEvents(); } return upcomingEventsAdapter; } private ActivityFeedAdapter activityFeedAdapter; private boolean canLoadMoreActivites = true; private ListAdapter createOrReturnActivitiesAdapter() { if (activityFeedAdapter == null) { activityFeedAdapter = new ActivityFeedAdapter(this,canLoadMoreActivites); fetchActivityFeed(); } return activityFeedAdapter; } protected void fetchUpcomingEvents() { fetchUpcomingEvents(null); } protected void fetchActivityFeed() { fetchActivityFeed(null); } protected void reloadCurrentFeed() { CacheConfiguration cacheConfiguration = new CacheConfiguration(true, true, true, true); if (upcomingIsSelected()) { fetchUpcomingEvents(cacheConfiguration); } else { fetchActivityFeed(cacheConfiguration); } } protected void fetchUpcomingEvents(CacheConfiguration cacheConfiguration) { upcomingEventsAdapter.beginLoading(); if (null == cacheConfiguration) { cacheConfiguration = new CacheConfiguration(); // default hits the most caches } if (canLoadMoreUpcomingEvents) { GregorianCalendar fetchUntil = new GregorianCalendar(); fetchUntil.add(Calendar.DAY_OF_YEAR, +14); buildService(new FetchMyUpcomingEventsService(fetchUntil)) .setPostProcessor(new UpcomingEventsPostProcessor<FetchMyUpcomingEventsService>()) .configureCaching(cacheConfiguration) .disableTitlebarBusyIndicator() .execute(); } else { buildService(new FetchMyUpcomingEventsService()) .setPostProcessor(new UpcomingEventsPostProcessor<FetchMyUpcomingEventsService>()) .configureCaching(cacheConfiguration) .disableTitlebarBusyIndicator() .execute(); } } protected void fetchActivityFeed(CacheConfiguration cacheConfiguration) { activityFeedAdapter.beginLoading(); if (null == cacheConfiguration) { cacheConfiguration = new CacheConfiguration(); // default hits the most caches } if (canLoadMoreActivites) { GregorianCalendar fetchSince = new GregorianCalendar(); fetchSince.add(Calendar.DAY_OF_YEAR, -14); buildService(new FetchMyWhatsHappeningFeed(fetchSince)) .setPostProcessor(new ActivityFeedPostProcessor<FetchMyWhatsHappeningFeed>()) .configureCaching(cacheConfiguration) .disableTitlebarBusyIndicator() .execute(); } else { buildService(new FetchMyWhatsHappeningFeed()) .setPostProcessor(new ActivityFeedPostProcessor<FetchMyWhatsHappeningFeed>()) .configureCaching(cacheConfiguration) .disableTitlebarBusyIndicator() .execute(); } } protected List<ActivityStreamItem> activityItems; public void onServiceCallSuccess(FetchMyWhatsHappeningFeed service) { if (service.getResult().size() == 0 && canLoadMoreActivites) { canLoadMoreActivites = false; //load the extra activities if no data in last 14 days fetchActivityFeed(); return; } activityItems = service.getResult(); activityFeedAdapter.setLastUpdatedAt(service.getCompletedAt()); activityFeedAdapter.updateItems(activityItems,canLoadMoreActivites); loadAndDisplayListForSelectedType(); } public void onServiceCallException(FetchMyWhatsHappeningFeed service, Exception ex) { activityFeedAdapter.hasError(); } protected List<UpcomingEventItem> upcomingEventItems; public void onServiceCallSuccess(FetchMyUpcomingEventsService service) { if (service.getResult().size() == 0 && canLoadMoreUpcomingEvents) { canLoadMoreUpcomingEvents = false; //load the extra activities if no data in next 14 days fetchUpcomingEvents(); return; } upcomingEventItems = service.getResult(); Collections.sort(upcomingEventItems); upcomingEventsAdapter.setLastUpdatedAt(service.getCompletedAt()); upcomingEventsAdapter.updateItems(upcomingEventItems,canLoadMoreUpcomingEvents); loadAndDisplayListForSelectedType(); } public void onServiceCallException(FetchMyUpcomingEventsService service, Exception ex) { upcomingEventsAdapter.hasError(); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { if (upcomingIsSelected()) { @SuppressWarnings("unchecked") UberItem<UpcomingEventItem> item = (UberItem<UpcomingEventItem>)l.getItemAtPosition(position); if (item.getItemType() == UberItemType.LOAD_MORE_ITEM) { canLoadMoreUpcomingEvents = false; fetchUpcomingEvents(); return; } else if (item.getItemType() == UberItemType.DATA_ITEM) { if (item.getDataItem().getEventType() == UpcomingEventType.Thread) { long threadId = item.getDataItem().getThreadId(); Course course = app.getCourseById(item.getDataItem().getCourseId()); Intent i = new Intent(this,CourseThreadActivity.class); i.putExtra(CourseThreadActivity.THREAD_ID_EXTRA, threadId); i.putExtra(CourseThreadActivity.COURSE_EXTRA, course); i.putExtra(CourseThreadActivity.SCHEDULE_EXTRA, UpcomingEventsAdapter.getScheduleText(item.getDataItem())); startActivity(i); } else if (item.getDataItem().getEventType() == UpcomingEventType.Html) { long htmlId = item.getDataItem().getMultimediaId(); Course course = app.getCourseById(item.getDataItem().getCourseId()); Intent i = new Intent(this,HtmlContentActivity.class); i.putExtra(HtmlContentActivity.HTML_ID_EXTRA, htmlId); i.putExtra(HtmlContentActivity.COURSE_EXTRA, course); i.putExtra(HtmlContentActivity.SCHEDULE_EXTRA, UpcomingEventsAdapter.getScheduleText(item.getDataItem())); i.putExtra(HtmlContentActivity.TITLE_EXTRA, item.getDataItem().getTitle()); startActivity(i); } } } else { @SuppressWarnings("unchecked") UberItem<ActivityStreamItem> item = (UberItem<ActivityStreamItem>)l.getItemAtPosition(position); if (item.getItemType() == UberItemType.LOAD_MORE_ITEM) { canLoadMoreActivites = false; fetchActivityFeed(); return; } else if (item.getItemType() == UberItemType.DATA_ITEM) { ActivityStreamItem si = item.getDataItem(); String objectType = si.getObject().getObjectType(); if ("thread-topic".equals(objectType)) { long topicId = Long.parseLong(si.getObject().getReferenceId()); Intent i = new Intent(this,UserTopicActivity.class); i.putExtra(UserTopicActivity.TOPIC_ID_EXTRA, topicId); startActivity(i); } else if ("thread-post".equals(objectType)) { long responseId = Long.parseLong(si.getObject().getReferenceId()); Intent i = new Intent(this,UserResponseActivity.class); i.putExtra(UserResponseActivity.RESPONSE_ID_EXTRA, responseId); startActivity(i); } else if ("grade".equals(objectType)) { long courseId = si.getObject().getCourseId(); String gradebookItemGuid = (String)si.getTarget().getReferenceId(); Intent i = new Intent(this,GradeActivity.class); i.putExtra("courseId", courseId); i.putExtra("gradebookItemGuid", gradebookItemGuid); startActivity(i); } else if ("dropbox-submission".equals(objectType)) { long courseId = si.getObject().getCourseId(); long basketId = Long.parseLong(si.getTarget().getReferenceId().toString()); long messageId = Long.parseLong(si.getObject().getReferenceId()); Intent i = new Intent(this,DropboxMessageActivity.class); i.putExtra("courseId", courseId); i.putExtra("basketId", basketId); i.putExtra("messageId", messageId); i.putExtra("title", si.getTarget().getTitle()); startActivity(i); } else if ("exam-submission".equals(objectType)) { } else if ("remark".equals(objectType)) { } } } } private boolean upcomingIsSelected() { return (navigationSpinner.getSelectedItemPosition() == UPCOMING_POSITION); } private class UpcomingEventsPostProcessor<ServiceT extends FetchMyUpcomingEventsService> extends TaskPostProcessor<ServiceT> { @Override public ServiceT onPostProcess(ServiceT service) { ServiceT result = service; if (result != null && result.getResult() != null) { for (UpcomingEventItem uei : result.getResult()) { if (uei.getWhen() != null && uei.getWhen().getTime() != null) { long dt = uei.getWhen().getTime().getTime().getTime(); if (dt < getTodayPlus(1)) { uei.setTag("Today"); } else if (dt < getTodayPlus(2)) { uei.setTag("Tomorrow"); } else if (dt < getTodayPlus(3)) { uei.setTag("In 2 Days"); } else if (dt < getTodayPlus(4)) { uei.setTag("In 3 Days"); } else if (dt < getTodayPlus(5)) { uei.setTag("In 4 Days"); } else if (dt < getTodayPlus(6)) { uei.setTag("In 5 Days"); } else { uei.setTag("Later"); } } } } return result; } private long getTodayPlus(int day) { Date now = new Date(); Date result = new Date(now.getYear(),now.getMonth(),now.getDate() + day); //beginning of today return result.getTime(); } } private class ActivityFeedPostProcessor<ServiceT extends FetchMyWhatsHappeningFeed> extends TaskPostProcessor<ServiceT> { @Override public ServiceT onPostProcess(ServiceT service) { ServiceT result = service; if (result != null && result.getResult() != null) { for (ActivityStreamItem asi : result.getResult()) { if (asi.getPostedTime() != null) { DateTime now = new DateTime(); DateTime postedTime = new DateTime(asi.getPostedTime()); //int daysBetween = Days.daysBetween(postedTime, now).getDays(); int monthsBetween = Months.monthsBetween(postedTime, now).getMonths(); if (monthsBetween <= 1) { asi.setTag("Past 30 days"); } else { asi.setTag("Over " + monthsBetween + " months ago"); } } } } return result; } } }