app/src/main/java/de/dhbwloe/campusapp/fragments/AppSearch.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.util.Log;
  11 import android.view.LayoutInflater;
  12 import android.view.View;
  13 import android.view.ViewGroup;
  14 import android.widget.AdapterView;
  15 import android.widget.ListView;
  16
  17 import java.text.SimpleDateFormat;
  18 import java.util.ArrayList;
  19 import java.util.Date;
  20 import java.util.List;
  21
  22 import de.dhbwloe.campusapp.CampusAppContext;
  23 import de.dhbwloe.campusapp.CampusAppFragment;
  24 import de.dhbwloe.campusapp.R;
  25 import de.dhbwloe.campusapp.search.SearchIndices;
  26 import de.dhbwloe.campusapp.search.SearchTarget;
  27
  28 /**
  29  * A simple {@link Fragment} subclass.
  30  */
  31 public class AppSearch extends CampusAppFragment {
  32     private ViewPagerAdapter oAppSearchLViewPagerAdapter;
  33     private String sSearchQuery;
  34
  35     @Override
  36     public void onCreate(Bundle savedInstanceState) {
  37         Log.i("AppSearch", "Event: onCreate");
  38         super.onCreate(savedInstanceState);
  39
  40         Bundle bundle;
  41         if((bundle = getArguments()) != null)
  42             sSearchQuery = bundle.getString("query");
  43         else if(savedInstanceState != null && (bundle = savedInstanceState.getBundle("AppSearch")) != null)
  44             sSearchQuery = bundle.getString("query");
  45
  46     }
  47
  48     @Override
  49     public void onSaveInstanceState(Bundle savedInstanceState) {
  50         Log.i("AppSearch", "Event: onSaveInstanceState");
  51         Bundle bundle = new Bundle();
  52         bundle.putString("query", sSearchQuery);
  53         savedInstanceState.putBundle("AppSearch", bundle);
  54         super.onSaveInstanceState(savedInstanceState);
  55     }
  56
  57     @Override
  58     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  59                              Bundle savedInstanceState) {
  60         Log.i("AppSearch", "Event: onCreateView");
  61         if(AppContext == null)
  62             AppContext = CampusAppContext.getInstance();
  63         oFragmentView = inflater.inflate(R.layout.fragment_appsearch, container, false);
  64
  65         AppContext.setTitle("Search: " + sSearchQuery);
  66
  67         ViewPager viewPager = (ViewPager) oFragmentView.findViewById(R.id.viewpager);
  68         setupViewPager(viewPager);
  69
  70         TabLayout tabLayout = (TabLayout) oFragmentView.findViewById(R.id.tabs);
  71         tabLayout.setupWithViewPager(viewPager);
  72
  73         return oFragmentView;
  74     }
  75
  76     private void setupViewPager(ViewPager viewPager) {
  77         final ViewPagerAdapter adapter;
  78         if(oAppSearchLViewPagerAdapter != null)
  79             adapter = oAppSearchLViewPagerAdapter;
  80         else {
  81             adapter = new ViewPagerAdapter(getChildFragmentManager());
  82             oAppSearchLViewPagerAdapter = adapter;
  83
  84             CampusAppFragment fragment;
  85             Bundle args = new Bundle();
  86             args.putString("query", sSearchQuery);
  87             Log.i("AppSearch", "New result instances: "+sSearchQuery);
  88
  89             fragment = new AppSearchInternal();
  90             fragment.setArguments(args);
  91             adapter.addFragment("Campus App", fragment);
  92
  93             fragment = new AppSearchDhbw();
  94             fragment.setArguments(args);
  95             adapter.addFragment("DHBW Suche", fragment);
  96
  97             fragment = new AppSearchStuv();
  98             fragment.setArguments(args);
  99             adapter.addFragment("Stuv Suche", fragment);
 100         }
 101
 102         viewPager.setAdapter(adapter);
 103         int activeItem = viewPager.getCurrentItem();
 104         AppSearchProvider activeProvider = (AppSearchProvider) adapter.getItem(activeItem);
 105         activeProvider.executeSearch(false);
 106
 107         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
 108             @Override
 109             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
 110
 111             }
 112
 113             @Override
 114             public void onPageSelected(int position) {
 115                 AppSearchProvider activeProvider = (AppSearchProvider) adapter.getItem(position);
 116                 activeProvider.executeSearch(false);
 117             }
 118
 119             @Override
 120             public void onPageScrollStateChanged(int state) {
 121
 122             }
 123         });
 124     }
 125
 126
 127     class ViewPagerAdapter extends FragmentPagerAdapter {
 128         private final List<Fragment> mFragmentDataList = new ArrayList<>();
 129         private final List<String> mFragmentTitleList = new ArrayList<>();
 130
 131         public ViewPagerAdapter(FragmentManager manager) {
 132             super(manager);
 133         }
 134
 135         @Override
 136         public Fragment getItem(int position) {
 137             return mFragmentDataList.get(position);
 138         }
 139
 140         @Override
 141         public int getCount() {
 142             return mFragmentDataList.size();
 143         }
 144
 145         public void addFragment(String title, Fragment fragment) {
 146             mFragmentDataList.add(fragment);
 147             mFragmentTitleList.add(title);
 148         }
 149
 150         @Override
 151         public CharSequence getPageTitle(int position) {
 152             return mFragmentTitleList.get(position);
 153         }
 154     }
 155
 156 }