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