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

   1 package de.dhbwloe.campusapp.fragments;
   2
   3
   4 import android.os.Bundle;
   5 import android.support.v4.app.Fragment;
   6 import android.util.Log;
   7 import android.view.LayoutInflater;
   8 import android.view.View;
   9 import android.view.ViewGroup;
  10 import android.widget.AdapterView;
  11 import android.widget.ListView;
  12
  13 import java.util.ArrayList;
  14 import java.util.List;
  15
  16 import de.dhbwloe.campusapp.CampusAppContext;
  17 import de.dhbwloe.campusapp.CampusAppFragment;
  18 import de.dhbwloe.campusapp.R;
  19 import de.dhbwloe.campusapp.search.DhbwSearchHelper;
  20 import de.dhbwloe.campusapp.search.SearchIndices;
  21 import de.dhbwloe.campusapp.search.SearchResultListener;
  22 import de.dhbwloe.campusapp.search.SearchTarget;
  23 import de.dhbwloe.campusapp.search.StuvSearchHelper;
  24
  25 /**
  26  * A simple {@link Fragment} subclass.
  27  */
  28 public class AppSearchStuv extends CampusAppFragment implements AppSearchProvider {
  29     private String sSearchQuery;
  30     private boolean bQueryExecuted = false;
  31     private boolean bExecuteOnload = false;
  32     private AppSearchListAdapter appSearchAdapter;
  33     private StuvSearchHelper seachHelper;
  34     private ArrayList<AppSearchListItem> searchResultItems = new ArrayList<AppSearchListItem>();
  35
  36     @Override
  37     public void onCreate(Bundle savedInstanceState) {
  38         super.onCreate(savedInstanceState);
  39         Bundle savedState;
  40         if((savedState = getArguments()) != null)
  41             sSearchQuery = savedState.getString("query");
  42         if(savedInstanceState != null && (savedState = savedInstanceState.getBundle("SearchStuv")) != null) {
  43             sSearchQuery = savedState.getString("query");
  44             if(savedState.getBoolean("executed")) {
  45                 executeSearch(false);
  46             }
  47         }
  48     }
  49
  50     @Override
  51     public void onSaveInstanceState(Bundle savedInstanceState) {
  52         Bundle bundle = new Bundle();
  53         bundle.putString("query", sSearchQuery);
  54         bundle.putBoolean("executed", bQueryExecuted);
  55         savedInstanceState.putBundle("SearchStuv", bundle);
  56         super.onSaveInstanceState(savedInstanceState);
  57     }
  58
  59     @Override
  60     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  61                              Bundle savedInstanceState) {
  62         if(AppContext == null)
  63             AppContext = CampusAppContext.getInstance();
  64         oFragmentView = inflater.inflate(R.layout.fragment_appsearch_list, container, false);
  65
  66         Bundle args = getArguments();
  67         if(args != null) {
  68             String queryString = args.getString("query");
  69             if(queryString != null)
  70                 sSearchQuery = queryString;
  71         }
  72
  73         ListView searchResultList = (ListView) oFragmentView.findViewById(R.id.searchResultItems);
  74         if(appSearchAdapter == null)
  75             appSearchAdapter = new AppSearchListAdapter(oFragmentView.getContext(), R.layout.fragment_appsearch_listitem, searchResultItems);
  76         searchResultList.setAdapter(appSearchAdapter);
  77
  78         searchResultList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  79             @Override
  80             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  81                 AppSearchListItem item = searchResultItems.get(position);
  82                 if (item == null)
  83                     return;
  84                 navigateToResult(item);
  85             }
  86         });
  87
  88         return oFragmentView;
  89     }
  90
  91     public void executeSearch(final boolean reset) {
  92         if(AppContext == null)
  93             AppContext = CampusAppContext.getInstance();
  94         if(bQueryExecuted && !reset)
  95             return;
  96         bQueryExecuted = true;
  97
  98         searchResultItems.clear();
  99
 100         if(seachHelper == null)
 101             seachHelper = new StuvSearchHelper();
 102         seachHelper.search(sSearchQuery, new SearchResultListener() {
 103             @Override
 104             public void onSearchResultsReceived(List<AppSearchListItem> results) {
 105                 Log.i("SearchStuv", "Success: "+results.size());
 106                 for(AppSearchListItem result : results)
 107                     searchResultItems.add(result);
 108                 if(appSearchAdapter != null)
 109                     appSearchAdapter.notifyDataSetChanged();
 110             }
 111
 112             @Override
 113             public void onSearchFailed(String error) {
 114                 Log.i("SearchDhbw", "Failed: " + error);
 115             }
 116         });
 117
 118     }
 119
 120     private void navigateToResult(AppSearchListItem result) {
 121         SearchTarget target = result.getTarget();
 122
 123         target.navigate(AppContext.getNavigationManager());
 124     }
 125
 126 }