app/src/main/java/de/dhbwloe/campusapp/fragments/Mensa.java

   1 package de.dhbwloe.campusapp.fragments;
   2
   3
   4 import android.os.Bundle;
   5 import android.support.design.widget.TabLayout;
   6 import android.support.v4.app.Fragment;
   7 import android.support.v4.app.FragmentManager;
   8 import android.support.v4.app.FragmentPagerAdapter;
   9 import android.support.v4.view.ViewPager;
  10 import android.support.v7.app.AppCompatActivity;
  11 import android.support.v7.widget.Toolbar;
  12 import android.view.LayoutInflater;
  13 import android.view.View;
  14 import android.view.ViewGroup;
  15
  16 import java.text.SimpleDateFormat;
  17 import java.util.ArrayList;
  18 import java.util.Date;
  19 import java.util.List;
  20
  21 import de.dhbwloe.campusapp.CampusAppFragment;
  22 import de.dhbwloe.campusapp.R;
  23 import de.dhbwloe.campusapp.search.SearchIndices;
  24
  25 /**
  26  * A simple {@link Fragment} subclass.
  27  */
  28 public class Mensa extends CampusAppFragment {
  29     /* implement this for search results ;) */
  30     public static SearchIndices[] GetSearchIndices() {
  31         return new SearchIndices[] {
  32                 new SearchIndices("Mensa", true) {{
  33                     setUpdateTime(1);
  34                     setTarget("#Mensa");
  35                     setTitle("Mensa");
  36                     setDescription("Aktuelle Mensapläne");
  37                     addKeyWord("mensa, kantine, essen, mittagessen, mensaplan, plan, hunger, mittag");
  38                 }},
  39         };
  40     }
  41
  42     private TabLayout tabLayout;
  43     private ViewPager viewPager;
  44     private boolean viewDayplan;
  45     private long viewDate;
  46
  47     @Override
  48     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  49                              Bundle savedInstanceState) {
  50         View view = inflater.inflate(R.layout.fragment_mensa, container, false);
  51         boolean viewmodeSet = false;
  52         Bundle arguments = getArguments();
  53         viewDate = (new Date()).getTime()/1000;
  54         if(arguments != null) {
  55             String showdate = arguments.getString("showdate");
  56             long date;
  57             if(showdate != null && !showdate.isEmpty() && (date = Long.parseLong(showdate)) > 0) {
  58                 viewDate = date;
  59                 viewDayplan = true;
  60                 viewmodeSet = true;
  61             }
  62             if(!viewmodeSet) {
  63                 String viewmode = arguments.getString("viewmode");
  64                 if(viewmode != null && !viewmode.isEmpty()) {
  65                     if(viewmode.equalsIgnoreCase("day"))
  66                         viewDayplan = true;
  67                     else
  68                         viewDayplan = false;
  69                     viewmodeSet = true;
  70                 }
  71             }
  72         }
  73         if(!viewmodeSet) {
  74             String lastViewmode = AppContext.getDatabaseManager().getRuntimeCache("MensaplanViewMode");
  75             if(lastViewmode != null && !lastViewmode.isEmpty()) {
  76                 if(lastViewmode.equalsIgnoreCase("day"))
  77                     viewDayplan = true;
  78                 else
  79                     viewDayplan = false;
  80                 viewmodeSet = true;
  81             }
  82         }
  83         if(!viewmodeSet)
  84             viewDayplan = true;
  85
  86         AppContext.setTitle("Mensa "+(viewDayplan ? "Tagesplan" : "Wochenplan"));
  87
  88         /*
  89         toolbar = (Toolbar) view.findViewById(R.id.toolbar);
  90         ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);
  91
  92         ((AppCompatActivity) getActivity()).getSupportActionBar().setDisplayHomeAsUpEnabled(true);
  93         */
  94
  95         viewPager = (ViewPager) view.findViewById(R.id.viewpager);
  96         setupViewPager(viewPager);
  97
  98         tabLayout = (TabLayout) view.findViewById(R.id.tabs);
  99         tabLayout.setupWithViewPager(viewPager);
 100
 101         return view;
 102     }
 103
 104     private void setupViewPager(ViewPager viewPager) {
 105         final ViewPagerAdapter adapter = new ViewPagerAdapter(getChildFragmentManager());
 106
 107         long[] showDates;
 108         long now = (new Date()).getTime()/1000;
 109         if(viewDayplan)
 110             showDates = AppContext.getDatabaseManager().getDaysWithPlanData(now - (30 * 86400), now + (30 * 86400));
 111         else
 112             showDates = AppContext.getDatabaseManager().getDaysWithPlanData(now - (365 * 86400), now + (30 * 86400));
 113
 114         int activeItem = -1;
 115         long activeItemDiff = -1;
 116         Bundle args = getArguments();
 117         for(int i = 0; i < showDates.length; i++) {
 118             long date = showDates[i];
 119             Bundle bundle = new Bundle();
 120             if(args != null)
 121                 bundle.putAll(args);
 122             String title;
 123             SimpleDateFormat sdf;
 124             if(viewDayplan)
 125                 sdf = new SimpleDateFormat("dd.MM.");
 126             else
 127                 sdf = new SimpleDateFormat("WW");
 128
 129             if(viewDate > 0) {
 130                 long diff = Math.abs(viewDate - date);
 131                 if(activeItem == -1 || diff < activeItemDiff) {
 132                     activeItem = i;
 133                     activeItemDiff = diff;
 134                 }
 135             }
 136
 137             title = sdf.format(new Date(date * 1000));
 138             bundle.putLong("date", date);
 139             adapter.addFragment(bundle, title);
 140         }
 141         viewPager.setAdapter(adapter);
 142         viewPager.setCurrentItem(activeItem);
 143         if(viewDayplan) {
 144             MensaTagesplan tagesplan = (MensaTagesplan)adapter.getItem(activeItem);
 145             tagesplan.onSetActive();
 146         }
 147
 148         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
 149             @Override
 150             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
 151
 152             }
 153
 154             @Override
 155             public void onPageSelected(int position) {
 156                 if(viewDayplan) {
 157                     MensaTagesplan tagesplan = (MensaTagesplan)adapter.getItem(position);
 158                     tagesplan.onSetActive();
 159                 }
 160             }
 161
 162             @Override
 163             public void onPageScrollStateChanged(int state) {
 164
 165             }
 166         });
 167     }
 168
 169
 170     class ViewPagerAdapter extends FragmentPagerAdapter {
 171         private final List<Fragment> mFragmentList = new ArrayList<>();
 172         private final List<Bundle> mFragmentDataList = new ArrayList<>();
 173         private final List<String> mFragmentTitleList = new ArrayList<>();
 174
 175         public ViewPagerAdapter(FragmentManager manager) {
 176             super(manager);
 177         }
 178
 179         @Override
 180         public Fragment getItem(int position) {
 181             Fragment fragment;
 182             while(mFragmentList.size() <= position) {
 183                 mFragmentList.add(null);
 184             }
 185             if(mFragmentList.get(position) != null)
 186                 return mFragmentList.get(position);
 187             if(viewDayplan)
 188                 fragment = new MensaTagesplan();
 189             else
 190                 fragment = new MensaWochenplan();
 191             fragment.setArguments(mFragmentDataList.get(position));
 192             mFragmentList.set(position, fragment);
 193             return fragment;
 194         }
 195
 196         @Override
 197         public int getCount() {
 198             return mFragmentDataList.size();
 199         }
 200
 201         public void addFragment(Bundle fragmentdata, String title) {
 202             fragmentdata.putBoolean("parentIsMensaFragment", true);
 203             mFragmentDataList.add(fragmentdata);
 204             mFragmentTitleList.add(title);
 205         }
 206
 207         @Override
 208         public CharSequence getPageTitle(int position) {
 209             return mFragmentTitleList.get(position);
 210         }
 211     }
 212
 213 }