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

   1 /* AppSearch.java
   2  *
   3  * This program is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  15  */
  16 package de.dhbwloe.campusapp.fragments;
  17 import android.os.Bundle;
  18 import android.support.design.widget.TabLayout;
  19 import android.support.v4.app.Fragment;
  20 import android.support.v4.app.FragmentManager;
  21 import android.support.v4.app.FragmentPagerAdapter;
  22 import android.support.v4.view.ViewPager;
  23 import android.util.Log;
  24 import android.view.LayoutInflater;
  25 import android.view.View;
  26 import android.view.ViewGroup;
  27 import android.widget.AdapterView;
  28 import android.widget.ListView;
  29
  30 import java.text.SimpleDateFormat;
  31 import java.util.ArrayList;
  32 import java.util.Date;
  33 import java.util.List;
  34
  35 import de.dhbwloe.campusapp.CampusAppContext;
  36 import de.dhbwloe.campusapp.CampusAppFragment;
  37 import de.dhbwloe.campusapp.R;
  38 import de.dhbwloe.campusapp.search.SearchIndices;
  39 import de.dhbwloe.campusapp.search.SearchTarget;
  40
  41 /**
  42  * A simple {@link Fragment} subclass.
  43  */
  44 public class AppSearch extends CampusAppFragment {
  45     private ViewPagerAdapter oAppSearchLViewPagerAdapter;
  46     private String sSearchQuery;
  47
  48     @Override
  49     public void onCreate(Bundle savedInstanceState) {
  50         Log.i("AppSearch", "Event: onCreate");
  51         super.onCreate(savedInstanceState);
  52
  53         Bundle bundle;
  54         if((bundle = getArguments()) != null)
  55             sSearchQuery = bundle.getString("query");
  56         else if(savedInstanceState != null && (bundle = savedInstanceState.getBundle("AppSearch")) != null)
  57             sSearchQuery = bundle.getString("query");
  58
  59     }
  60
  61     @Override
  62     public void onSaveInstanceState(Bundle savedInstanceState) {
  63         Log.i("AppSearch", "Event: onSaveInstanceState");
  64         Bundle bundle = new Bundle();
  65         bundle.putString("query", sSearchQuery);
  66         savedInstanceState.putBundle("AppSearch", bundle);
  67         super.onSaveInstanceState(savedInstanceState);
  68     }
  69
  70     @Override
  71     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  72                              Bundle savedInstanceState) {
  73         Log.i("AppSearch", "Event: onCreateView");
  74         if(AppContext == null)
  75             AppContext = CampusAppContext.getInstance();
  76         oFragmentView = inflater.inflate(R.layout.fragment_appsearch, container, false);
  77
  78         AppContext.setTitle(AppContext.getResString(R.string.appsearch_title, sSearchQuery));
  79
  80         ViewPager viewPager = (ViewPager) oFragmentView.findViewById(R.id.viewpager);
  81         setupViewPager(viewPager);
  82
  83         TabLayout tabLayout = (TabLayout) oFragmentView.findViewById(R.id.tabs);
  84         tabLayout.setupWithViewPager(viewPager);
  85
  86         return oFragmentView;
  87     }
  88
  89     private void setupViewPager(ViewPager viewPager) {
  90         final ViewPagerAdapter adapter;
  91         if(oAppSearchLViewPagerAdapter != null)
  92             adapter = oAppSearchLViewPagerAdapter;
  93         else {
  94             adapter = new ViewPagerAdapter(getChildFragmentManager());
  95             oAppSearchLViewPagerAdapter = adapter;
  96
  97             CampusAppFragment fragment;
  98             Bundle args = new Bundle();
  99             args.putString("query", sSearchQuery);
 100             Log.i("AppSearch", "New result instances: " + sSearchQuery);
 101
 102             fragment = new AppSearchInternal();
 103             fragment.setArguments(args);
 104             adapter.addFragment(AppContext.getResString(R.string.appsearch_inapp), fragment);
 105
 106             fragment = new AppSearchDhbw();
 107             fragment.setArguments(args);
 108             adapter.addFragment(AppContext.getResString(R.string.appsearch_indhbw), fragment);
 109
 110             fragment = new AppSearchStuv();
 111             fragment.setArguments(args);
 112             adapter.addFragment(AppContext.getResString(R.string.appsearch_instuv), fragment);
 113         }
 114
 115         viewPager.setAdapter(adapter);
 116         int activeItem = viewPager.getCurrentItem();
 117         AppSearchProvider activeProvider = (AppSearchProvider) adapter.getItem(activeItem);
 118         activeProvider.executeSearch(false);
 119
 120         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
 121             @Override
 122             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
 123
 124             }
 125
 126             @Override
 127             public void onPageSelected(int position) {
 128                 AppSearchProvider activeProvider = (AppSearchProvider) adapter.getItem(position);
 129                 activeProvider.executeSearch(false);
 130             }
 131
 132             @Override
 133             public void onPageScrollStateChanged(int state) {
 134
 135             }
 136         });
 137     }
 138
 139
 140     class ViewPagerAdapter extends FragmentPagerAdapter {
 141         private final List<Fragment> mFragmentDataList = new ArrayList<>();
 142         private final List<String> mFragmentTitleList = new ArrayList<>();
 143
 144         public ViewPagerAdapter(FragmentManager manager) {
 145             super(manager);
 146         }
 147
 148         @Override
 149         public Fragment getItem(int position) {
 150             return mFragmentDataList.get(position);
 151         }
 152
 153         @Override
 154         public int getCount() {
 155             return mFragmentDataList.size();
 156         }
 157
 158         public void addFragment(String title, Fragment fragment) {
 159             mFragmentDataList.add(fragment);
 160             mFragmentTitleList.add(title);
 161         }
 162
 163         @Override
 164         public CharSequence getPageTitle(int position) {
 165             return mFragmentTitleList.get(position);
 166         }
 167     }
 168
 169 }