Chapter 6: My Favourite Movies Pod-Loader for Pod filter example

001  public Node createPod(Document document, Map<String,Object> contexts) {
002    try{
003      PodBuilder moviesPod =
004        PodBuilder.newPod(document, PODTYPE.MYFAVMOVIES);
005      moviesPod.setTitle("My Favourite Movies");
006
007      MoviesDB moviesDB = new MoviesDB();
008
009      // Create the configuration for the drop down filter.
010      RendererConfig filterRenderer =
011        new RendererConfig(RendererConfigType.DOMAIN, "CT_CHOICE");
012
013      // Create the PodFitler
014      PodFilter genreFilter =
015        new PodFilter("genre", document, filterRenderer);
016
017      // Create genre list
018      HashMap<String, String> genres = new HashMap<String, String>();
019      genres.put("all", "- All -");
020      genres.put("horror", "Horror");
021      genres.put("drama", "Drama");
022      genres.put("romance", "Romance");
023      genres.put("comedy", "Comedy");
024      genres.put("action", "Action");
025
026      // Create the options and selections using the ChoiceBuilder.
027      ChoiceBuilder choices =
028        ChoiceBuilder.newInstance(genres, document);
029
030      // Return the last saved selection for the filter with id "genre".
031      Node genreSelectionNode =
032        getPodFilterById(PODTYPE.MYFAVMOVIES, "genre", document);
033
034      // Convert the Node to an ArrayList.
035      ArrayList<String> selectedGenres =
036       PodFilter.convertSelectionsNodeToArrayList(genreSelectionNode);
037
038      // Create a default genre selection.
039      if (selectedGenres.isEmpty()){
040        selectedGenres.add("all");
041      }
042      choices.addSelection(selectedGenres.get(0));
043      choices.setTypeOfDisplay("listdropdown");
044
045      genreFilter.addFilter(choices.getWidgetRootNode());
046
047      // Add a filter label
048      genreFilter.addFilterLabel("Genre");
049      genreFilter.addCSSClasses("genre-filter");
050      moviesPod.addFilter(genreFilter);
051
052
053      Collection<MoviesDB.Movie> favMovieCollection =
054        moviesDB.getAllMovies();
055      Iterator<MoviesDB.Movie> movieList =
056        favMovieCollection.iterator();
057
058      // Create the list
059      ListBuilder myFavouriteMovies =
060        ListBuilder.createList(1, document);
061
062      int row = 1;
063      while(movieList.hasNext()) {
064        Movie movie = movieList.next();
065        String movieName = movie.title;
066        String selectedGenre = selectedGenres.get(0);
067        if (selectedGenre.equals(movie.genre)
068            || selectedGenre.equals("all")){
069
070          myFavouriteMovies.addRow();
071          myFavouriteMovies.addEntry(1, row++, movieName);
072        }
073      }
074
075      RendererConfig contentRenderer = new RendererConfig(
076          RendererConfigType.STYLE, "single-list");
077      moviesPod.addContent(myFavouriteMovies, contentRenderer);
078
079      return moviesPod.getWidgetRootNode();
080    }catch(Exception e){
081      throw new RuntimeException(e);
082    }
083  }