app/src/main/java/de/dhbwloe/campusapp/fragments/AppSearchDhbw.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
  24 /**
  25  * A simple {@link Fragment} subclass.
  26  */
  27 public class AppSearchDhbw extends CampusAppFragment implements AppSearchProvider {
  28     private String sSearchQuery;
  29     private boolean bQueryExecuted = false;
  30     private AppSearchListAdapter appSearchAdapter;
  31     private DhbwSearchHelper seachHelper;
  32     private ArrayList<AppSearchListItem> searchResultItems = new ArrayList<AppSearchListItem>();
  33
  34     @Override
  35     public void onCreate(Bundle savedInstanceState) {
  36         Log.i("AppSearchDhbw", "Event: onCreate");
  37         super.onCreate(savedInstanceState);
  38     }
  39
  40     @Override
  41     public void onSaveInstanceState(Bundle savedInstanceState) {
  42         Log.i("AppSearchDhbw", "Event: onSaveInstanceState");
  43         Bundle bundle = new Bundle();
  44         bundle.putString("query", sSearchQuery);
  45         bundle.putBoolean("executed", bQueryExecuted);
  46         savedInstanceState.putBundle("SearchDhbw", bundle);
  47         super.onSaveInstanceState(savedInstanceState);
  48     }
  49
  50     @Override
  51     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  52                              Bundle savedInstanceState) {
  53         Log.i("AppSearchDhbw", "Event: onCreateView");
  54         Bundle savedState;
  55         if((savedState = getArguments()) != null)
  56             sSearchQuery = savedState.getString("query");
  57         else if(savedInstanceState != null && (savedState = savedInstanceState.getBundle("SearchDhbw")) != null) {
  58             Log.i("AppSearchDhbw", "Parsed instance state");
  59             sSearchQuery = savedState.getString("query");
  60             if(savedState.getBoolean("executed")) {
  61                 bQueryExecuted = true;
  62             }
  63         }
  64         if(AppContext == null)
  65             AppContext = CampusAppContext.getInstance();
  66         oFragmentView = inflater.inflate(R.layout.fragment_appsearch_list, container, false);
  67
  68         Bundle args = getArguments();
  69         if(args != null) {
  70             String queryString = args.getString("query");
  71             if(queryString != null)
  72                 sSearchQuery = queryString;
  73         }
  74
  75         ListView searchResultList = (ListView) oFragmentView.findViewById(R.id.searchResultItems);
  76         appSearchAdapter = new AppSearchListAdapter(oFragmentView.getContext(), R.layout.fragment_appsearch_listitem, searchResultItems);
  77         searchResultList.setAdapter(appSearchAdapter);
  78
  79         searchResultList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  80             @Override
  81             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  82                 AppSearchListItem item = searchResultItems.get(position);
  83                 if (item == null)
  84                     return;
  85                 navigateToResult(item);
  86             }
  87         });
  88
  89         return oFragmentView;
  90     }
  91
  92     public void executeSearch(boolean reset) {
  93         Log.i("AppSearchDhbw", "Action: executeSearch");
  94         if(AppContext == null)
  95             AppContext = CampusAppContext.getInstance();
  96         if(bQueryExecuted && !reset)
  97             return;
  98         bQueryExecuted = true;
  99
 100         searchResultItems.clear();
 101
 102         if(seachHelper == null)
 103             seachHelper = new DhbwSearchHelper();
 104         seachHelper.search(sSearchQuery, new SearchResultListener() {
 105             @Override
 106             public void onSearchResultsReceived(List<AppSearchListItem> results) {
 107                 Log.i("SearchDhbw", "Success: "+results.size());
 108                 for(AppSearchListItem result : results)
 109                     searchResultItems.add(result);
 110                 if(appSearchAdapter != null)
 111                     appSearchAdapter.notifyDataSetChanged();
 112                 else
 113                     Log.i("SearchDhbw", "appSearchAdapter is null in executeSearch");
 114             }
 115
 116             @Override
 117             public void onSearchFailed(String error) {
 118                 Log.i("SearchDhbw", "Failed: " + error);
 119             }
 120         });
 121     }
 122
 123     private void navigateToResult(AppSearchListItem result) {
 124         SearchTarget target = result.getTarget();
 125
 126         target.navigate(AppContext.getNavigationManager());
 127     }
 128
 129 }