Android Open Source - ls-vertretungsplan Vertretungsplan Widget Service

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Back to project page ls-vertretungsplan.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.johan.vertretungsplan.widget;
/*  w  ww.j  a  v  a  2 s.c  om*/
import java.util.ArrayList;
import java.util.List;
import java.util.Map.Entry;

import org.holoeverywhere.preference.PreferenceManager;
import org.holoeverywhere.preference.SharedPreferences;

import android.annotation.TargetApi;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService;

import com.google.gson.Gson;
import com.johan.vertretungsplan.R;
import com.johan.vertretungsplan.objects.AdditionalInfo;
import com.johan.vertretungsplan.objects.KlassenVertretungsplan;
import com.johan.vertretungsplan.objects.Vertretung;
import com.johan.vertretungsplan.objects.Vertretungsplan;
import com.johan.vertretungsplan.objects.VertretungsplanTag;

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class VertretungsplanWidgetService extends RemoteViewsService {

  @Override
  public RemoteViewsFactory onGetViewFactory(Intent intent) {
    return new VertretungsplanRemoteViewsFactory(this.getApplicationContext(), intent);
  }

  class VertretungsplanRemoteViewsFactory implements
  RemoteViewsService.RemoteViewsFactory {

    private Context context;
    private int appWidgetId;
    private Vertretungsplan v;
    private SharedPreferences prefs;
    private Gson gson;
    private String klasse;
    private List<Object> items;

    public VertretungsplanRemoteViewsFactory(Context context, Intent intent) {
      gson = new Gson();
      this.context = context;
      appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
          AppWidgetManager.INVALID_APPWIDGET_ID);
      prefs = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());          
    }

    public void load() {
      v = gson.fromJson(
          prefs.getString("Vertretungsplan", ""), Vertretungsplan.class);
      klasse = prefs.getString("klasse", null);

      items = new ArrayList<Object>();
      if(v != null) {
        for (VertretungsplanTag tag:v.getTage()) {
          items.add(new Separator(tag.getDatum()));
          if ("Alle".equals(klasse)) {
            for (Entry<String, KlassenVertretungsplan> entry:tag.getKlassen().entrySet()) {
                items.add(new Separator(entry.getKey()));
                  for (Vertretung item:entry.getValue().getVertretung()) {
                    items.add(item);
                  }
              }
          } else {
            if (tag.getKlassen().get(klasse) != null) {
              if (tag.getKlassen().get(klasse).getVertretung().size() > 0) {
                for (Vertretung item:tag.getKlassen().get(klasse).getVertretung()) {
                  items.add(item);
                }
              } else {
                items.add(getResources().getString(R.string.no_info));
              }
            } else {
              items.add(getResources().getString(R.string.no_info));
            }
          }
        }
        if (prefs.getBoolean("news_widget", true)) {
          for (VertretungsplanTag tag:v.getTage()) {
            if (tag.getNachrichten().size() > 0) {
              items.add(new Separator("Nachrichten " + tag.getDatum()));
              for (String nachricht:tag.getNachrichten()) {
                items.add(nachricht);
              }
            }
          }
          if (v.getAdditionalInfos().size() > 0) {
            items.add(new Separator("Nachrichten"));
            for (AdditionalInfo info:v.getAdditionalInfos()) {
              items.add(info);
            }
          }
        }
      } else {
        items.add("noch keine Daten gespeichert");
      }
    }
    
    private class Separator {
      public String text;
      public Separator(String text) {
        this.text = text;
      }
    }

    @Override
    public int getCount() {
      return items.size();
    } 

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

    @Override
    public RemoteViews getLoadingView() {
      return null;
    }

    @Override
    public RemoteViews getViewAt(int position) {
      RemoteViews rv = null;
      Object item = items.get(position);
      if(item instanceof Vertretung) {      
        Vertretung vtr = (Vertretung) item;
        // Construct a remote views item based on the app widget item XML file, 
        // and set the text based on the position.
        rv = new RemoteViews(context.getPackageName(), R.layout.listitem_vertretung_widget);
        rv.setTextViewText(R.id.stunde, vtr.getLesson());
        rv.setTextViewText(R.id.art, vtr.getType());
        rv.setTextViewText(R.id.text, vtr.toString());
      } else if (item instanceof String) {
        String text = (String) item;
        rv = new RemoteViews(context.getPackageName(), R.layout.listitem_text_widget);
        rv.setTextViewText(R.id.text, text);
      } else if (item instanceof AdditionalInfo) {
        AdditionalInfo info = (AdditionalInfo) item;
        rv = new RemoteViews(context.getPackageName(), R.layout.listitem_additionalinfo_widget);
        rv.setTextViewText(R.id.title, info.getTitle());
        rv.setTextViewText(R.id.text, info.getText());
      } else if (item instanceof Separator) {
        String text = ((Separator) item).text;
        rv = new RemoteViews(context.getPackageName(), R.layout.listitem_separator_widget);
        rv.setTextViewText(R.id.textSeparator, text);
      }

      // Return the remote views object.
      return rv;
    }

    @Override
    public int getViewTypeCount() {
      return 4;
    }

    @Override
    public boolean hasStableIds() {
      return false;
    }

    @Override
    public void onCreate() {
      load();
    }

    @Override
    public void onDataSetChanged() {
      load();
    }

    @Override
    public void onDestroy() {

    }

  }

}

Java Source Code List

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