Android Open Source - observer Task Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package uk.ac.horizon.observer.vc;
//  w w  w  . ja v a 2  s .co m
import java.util.List;

import uk.ac.horizon.observer.R;
import uk.ac.horizon.observer.model.Place;
import uk.ac.horizon.observer.model.Places;
import uk.ac.horizon.observer.model.Task;
import uk.ac.horizon.observer.model.TaskBin;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

/**
 * A fragment representing a single Place's tasks. This fragment is either
 * contained in a {@link PlacesActivity} in two-pane mode (on tablets) or a
 * {@link TasksActivity} on handsets.
 */
public class TaskFragment extends ListFragment {
  /**
   * The fragment argument representing the Place ID that the tasks are for.
   */
  public static final String ARG_ITEM_ID = "item_id";

  /**
   * The tasks
   */
  private List<Task> myTasks = null;

  /**
   * Mandatory empty constructor for the fragment manager to instantiate the
   * fragment (e.g. upon screen orientation changes).
   */
  public TaskFragment() {
  }

  /*
   * @Override public void onCreate(Bundle savedInstanceState) {
   * super.onCreate(savedInstanceState);
   * 
   * if (getArguments().containsKey(ARG_ITEM_ID)) { // Load the dummy content
   * specified by the fragment // arguments. In a real-world scenario, use a
   * Loader // to load content from a content provider. mItem =
   * DummyContent.ITEM_MAP.get(getArguments().getString( ARG_ITEM_ID)); } }
   * 
   * @Override public View onCreateView(LayoutInflater inflater, ViewGroup
   * container, Bundle savedInstanceState) { View rootView =
   * inflater.inflate(R.layout.fragment_place_detail, container, false);
   * 
   * // Show the dummy content as text in a TextView. if (mItem != null) {
   * ((TextView) rootView.findViewById(R.id.place_detail))
   * .setText(mItem.content); }
   * 
   * return rootView; }
   */

  /**
   * On create set the tasks to the ones for the corresponding Place
   * 
   * @author Jesse
   */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    myTasks = Places.getTasksforCurrentPlace(); // can be null
  }

  /**
   * Display a multipe choice selection list of the tasks available for the
   * given Place
   * 
   * @author Jesse
   */
  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);

    if (null != myTasks) {
      if (myTasks.isEmpty()) {
        Toast.makeText(
            this.getActivity(),
            String.valueOf("No tasks to select for "
                + Places.getCurrentPlaceName()),
            Toast.LENGTH_LONG).show();
      }
      ArrayAdapter<Task> adapter = new ArrayAdapter<Task>(
          this.getActivity(),
          android.R.layout.simple_list_item_activated_1, myTasks);
      setListAdapter(adapter);
      ListView lv = getListView();
      lv.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
      // Grey out test
      lv.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view,
            int position, long id) {
          boolean itemIsEnabled = true;
          Place current = Places.getCurrentPlace();
          Integer[] disableds = current.getDisabledTasks();
          if (null != disableds) {
            for (int i = 0; i < disableds.length; i++) {
              getListView().getChildAt(disableds[i]).setEnabled(
                  false);
              getListView().getChildAt(disableds[i])
                  .setBackgroundColor(
                      getResources().getColor(
                          R.color.grey));
              if (position == disableds[i]) {
                itemIsEnabled = false;
              }
            }
          } else{
            Toast.makeText(getActivity(), "getCurrentPlace: " + Places.getCurrentPlace().getName(),
                 Toast.LENGTH_SHORT).show();
          }
          if (itemIsEnabled) {
            Task tmp = myTasks.get(position);
            Task task = new Task(tmp.getName(), Places
                .getCurrentPlace());
            TaskBin.getInstance().addTask(task);
          }
        }
      });
    }
  }

  /**
   * Add values of clicked items to the click queue
   */
  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    super.onListItemClick(l, v, position, id);
    Task tmp = myTasks.get(position);
    Task task = new Task(tmp.getName(), Places.getCurrentPlace());
    TaskBin.getInstance().addTask(task);
    // task.addObservation(this.getActivity());
    // Log the insertion of the new row
    // long lastobs = task.addObservation(this.getActivity());
    // Toast.makeText(this.getActivity(), "lastobs: " + lastobs,
    // Toast.LENGTH_SHORT)
    // .show();
  }
}

Java Source Code List

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