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 import android.widget.ProgressBar;
  13
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import de.dhbwloe.campusapp.CampusAppContext;
  18 import de.dhbwloe.campusapp.CampusAppFragment;
  19 import de.dhbwloe.campusapp.R;
  20 import de.dhbwloe.campusapp.search.DhbwSearchHelper;
  21 import de.dhbwloe.campusapp.search.SearchIndices;
  22 import de.dhbwloe.campusapp.search.SearchResultListener;
  23 import de.dhbwloe.campusapp.search.SearchTarget;
  24
  25 /**
  26  * A simple {@link Fragment} subclass.
  27  */
  28 public class AppSearchDhbw extends CampusAppFragment implements AppSearchProvider {
  29     private String sSearchQuery;
  30     private boolean bQueryExecuted = false;
  31     private AppSearchListAdapter appSearchAdapter;
  32     private DhbwSearchHelper seachHelper;
  33     private ArrayList<AppSearchListItem> searchResultItems = new ArrayList<AppSearchListItem>();
  34     private ProgressBar progressBar;
  35
  36     @Override
  37     public void onCreate(Bundle savedInstanceState) {
  38         Log.i("AppSearchDhbw", "Event: onCreate");
  39         super.onCreate(savedInstanceState);
  40     }
  41
  42     @Override
  43     public void onSaveInstanceState(Bundle savedInstanceState) {
  44         Log.i("AppSearchDhbw", "Event: onSaveInstanceState");
  45         Bundle bundle = new Bundle();
  46         bundle.putString("query", sSearchQuery);
  47         bundle.putBoolean("executed", bQueryExecuted);
  48         savedInstanceState.putBundle("SearchDhbw", bundle);
  49         super.onSaveInstanceState(savedInstanceState);
  50     }
  51
  52     @Override
  53     public View onCreateView(LayoutInflater inflater, ViewGroup container,
  54                              Bundle savedInstanceState) {
  55         Log.i("AppSearchDhbw", "Event: onCreateView");
  56         Bundle savedState;
  57         if((savedState = getArguments()) != null)
  58             sSearchQuery = savedState.getString("query");
  59         else if(savedInstanceState != null && (savedState = savedInstanceState.getBundle("SearchDhbw")) != null) {
  60             Log.i("AppSearchDhbw", "Parsed instance state");
  61             sSearchQuery = savedState.getString("query");
  62             if(savedState.getBoolean("executed")) {
  63                 bQueryExecuted = true;
  64             }
  65         }
  66         if(AppContext == null)
  67             AppContext = CampusAppContext.getInstance();
  68         oFragmentView = inflater.inflate(R.layout.fragment_appsearch_list, container, false);
  69
  70         Bundle args = getArguments();
  71         if(args != null) {
  72             String queryString = args.getString("query");
  73             if(queryString != null)
  74                 sSearchQuery = queryString;
  75         }
  76
  77         ListView searchResultList = (ListView) oFragmentView.findViewById(R.id.searchResultItems);
  78         appSearchAdapter = new AppSearchListAdapter(oFragmentView.getContext(), R.layout.fragment_appsearch_listitem, searchResultItems);
  79         searchResultList.setAdapter(appSearchAdapter);
  80
  81         searchResultList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  82             @Override
  83             public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
  84                 AppSearchListItem item = searchResultItems.get(position);
  85                 if (item == null)
  86                     return;
  87                 navigateToResult(item);
  88             }
  89         });
  90
  91         return oFragmentView;
  92     }
  93
  94     public void executeSearch(boolean reset) {
  95         Log.i("AppSearchDhbw", "Action: executeSearch");
  96         if(AppContext == null)
  97             AppContext = CampusAppContext.getInstance();
  98         if(bQueryExecuted && !reset)
  99             return;
 100         bQueryExecuted = true;
 101         progressBar = (ProgressBar) oFragmentView.findViewById(R.id.searchProgress);
 102         progressBar.setVisibility(View.VISIBLE);
 103
 104         searchResultItems.clear();
 105
 106         if(seachHelper == null)
 107             seachHelper = new DhbwSearchHelper();
 108         seachHelper.search(sSearchQuery, new SearchResultListener() {
 109             @Override
 110             public void onSearchResultsReceived(List<AppSearchListItem> results) {
 111                 Log.i("SearchDhbw", "Success: "+results.size());
 112                 for(AppSearchListItem result : results)
 113                     searchResultItems.add(result);
 114                 progressBar.setVisibility(View.GONE);
 115                 if(appSearchAdapter != null)
 116                     appSearchAdapter.notifyDataSetChanged();
 117                 else
 118                     Log.i("SearchDhbw", "appSearchAdapter is null in executeSearch");
 119             }
 120
 121             @Override
 122             public void onSearchFailed(String error) {
 123                 Log.i("SearchDhbw", "Failed: " + error);
 124                 progressBar.setVisibility(View.GONE);
 125             }
 126         });
 127     }
 128
 129     private void navigateToResult(AppSearchListItem result) {
 130         SearchTarget target = result.getTarget();
 131
 132         target.navigate(AppContext.getNavigationManager());
 133     }
 134
 135 }