Android Open Source - calendar-widget Event Remote Views Factory

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License

The source code is released under:

Apache License

Java Source Code

package com.plusonelabs.calendar;
/*from  w w w  . ja va  2s. c  o  m*/
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.format.DateUtils;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService.RemoteViewsFactory;

import com.plusonelabs.calendar.calendar.CalendarEventVisualizer;
import com.plusonelabs.calendar.model.DayHeader;
import com.plusonelabs.calendar.model.Event;

import org.joda.time.DateTime;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Locale;

import static com.plusonelabs.calendar.Alignment.valueOf;
import static com.plusonelabs.calendar.CalendarIntentUtil.createOpenCalendarAtDayIntent;
import static com.plusonelabs.calendar.CalendarIntentUtil.createOpenCalendarEventPendingIntent;
import static com.plusonelabs.calendar.RemoteViewsUtil.setBackgroundColorFromAttr;
import static com.plusonelabs.calendar.RemoteViewsUtil.setPadding;
import static com.plusonelabs.calendar.RemoteViewsUtil.setTextColorFromAttr;
import static com.plusonelabs.calendar.RemoteViewsUtil.setTextSize;
import static com.plusonelabs.calendar.Theme.getCurrentThemeId;
import static com.plusonelabs.calendar.prefs.CalendarPreferences.PREF_DAY_HEADER_ALIGNMENT;
import static com.plusonelabs.calendar.prefs.CalendarPreferences.PREF_DAY_HEADER_ALIGNMENT_DEFAULT;
import static com.plusonelabs.calendar.prefs.CalendarPreferences.PREF_ENTRY_THEME;
import static com.plusonelabs.calendar.prefs.CalendarPreferences.PREF_ENTRY_THEME_DEFAULT;

public class EventRemoteViewsFactory implements RemoteViewsFactory {

  private final Context context;
  private final List<Event> eventEntries;
  private final List<IEventVisualizer<?>> eventProviders;

  public EventRemoteViewsFactory(Context context) {
    this.context = context;
        eventProviders = new ArrayList<>();
        eventProviders.add(new CalendarEventVisualizer(context));
        eventEntries = new ArrayList<>();
    }

    public void onCreate() {
    RemoteViews rv = new RemoteViews(context.getPackageName(), R.layout.widget);
    rv.setPendingIntentTemplate(R.id.event_list, createOpenCalendarEventPendingIntent(context));
  }

  public void onDestroy() {
    eventEntries.clear();
  }

  public int getCount() {
    return eventEntries.size();
  }

  public RemoteViews getViewAt(int position) {
    if (position < eventEntries.size()) {
      Event entry = eventEntries.get(position);
      if (entry instanceof DayHeader) {
        return updateDayHeader((DayHeader) entry);
      }
            for (IEventVisualizer<?> eventProvider : eventProviders) {
                if (entry.getClass().isAssignableFrom(eventProvider.getSupportedEventEntryType())) {
                    return eventProvider.getRemoteView(entry);
                }
            }
    }
    return null;
  }

  public RemoteViews updateDayHeader(DayHeader dayHeader) {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
        String alignment = prefs.getString(PREF_DAY_HEADER_ALIGNMENT, PREF_DAY_HEADER_ALIGNMENT_DEFAULT);
        RemoteViews rv = new RemoteViews(context.getPackageName(), valueOf(alignment).getLayoutId());
        String dateString = DateUtil.createDateString(context, dayHeader.getStartDate())
                .toUpperCase(Locale.getDefault());
        rv.setTextViewText(R.id.day_header_title, dateString);
        setTextSize(context, rv, R.id.day_header_title, R.dimen.day_header_title);
        setTextColorFromAttr(context, rv, R.id.day_header_title, R.attr.dayHeaderTitle);
        setBackgroundColorFromAttr(context, rv, R.id.day_header_separator, R.attr.dayHeaderSeparator);
        setPadding(context, rv, R.id.day_header_title, 0, R.dimen.day_header_padding_top,
                R.dimen.day_header_padding_right, R.dimen.day_header_padding_bottom);
    Intent intent = createOpenCalendarAtDayIntent(dayHeader.getStartDate());
    rv.setOnClickFillInIntent(R.id.day_header, intent);
    return rv;
  }

    public void onDataSetChanged() {
        context.setTheme(getCurrentThemeId(context, PREF_ENTRY_THEME, PREF_ENTRY_THEME_DEFAULT));
        eventEntries.clear();
        List<Event> events = new ArrayList<>();
        for (IEventVisualizer<?> eventProvider : eventProviders) {
            events.addAll(eventProvider.getEventEntries());
        }
        updateEntryList(events);
    }

    private void updateEntryList(List<Event> eventList) {
        if (!eventList.isEmpty()) {
            Event firstEvent = eventList.get(0);
      DayHeader curDayBucket = new DayHeader(firstEvent.getStartDate());
      eventEntries.add(curDayBucket);
      for (Event event : eventList) {
        DateTime startDate = event.getStartDate();
        if (!startDate.withTimeAtStartOfDay().isEqual(
            curDayBucket.getStartDate().withTimeAtStartOfDay())) {
          curDayBucket = new DayHeader(startDate);
          eventEntries.add(curDayBucket);
        }
        eventEntries.add(event);
      }
    }
  }

  public RemoteViews getLoadingView() {
    return null;
  }

  public int getViewTypeCount() {
    int result = 3; // we have 3 because of the "left", "right" and "center" day headers
        for (IEventVisualizer<?> eventProvider : eventProviders) {
            result += eventProvider.getViewTypeCount();
        }
    return result;
  }

  public long getItemId(int position) {
    return position;
  }

  public boolean hasStableIds() {
    return true;
  }

}

Java Source Code List

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