CategoryList.java :  » App » recycle-locator » com » net » finditnow » Android Open Source

/*
 * This class provides the intermediate list screen
 * that is displayed for Buildings and Supplies.
 * Selection of any option will launch the map class.
 * 
 * Auto-completion suggestions are enabled.
 */

package com.net.finditnow;

import java.util.ArrayList;
import java.util.List;

import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

public class CategoryList extends ListActivity {
  
  /**
     * On launch, determines which category type was passed
     * and displays the appropriate list.
     * Defaults to supplies if category is unrecognized.
     */
    @Override
  public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      
      Bundle extras = getIntent().getExtras(); 
      final String category = extras.getString("category");
      setTitle("FindItNow > " + FINUtil.capFirstChar(category));
      List<String> list = new ArrayList<String>();
      
      // Grab the correct list to show.
      if (category.equals("buildings")) {
        list = FINMenu.getBuildingsList();
      } else {
        list = FINUtil.capFirstChar(supplies());
      }
      
      setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item, list));
      
      ListView lv = getListView();
      lv.setTextFilterEnabled(true);
      
      // Every item will launch the map
      lv.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
          Intent myIntent = new Intent(v.getContext(), FINMap.class);
          myIntent.putExtra("category", category);
          myIntent.putExtra("itemName", ((TextView) v).getText().toString());
          startActivity(myIntent);
        }
      });
    }
  
  /**
     * List of school supplies item types
     * Note: this is hard-coded in our application
     */
  private static ArrayList<String> supplies() {
    ArrayList<String> list = new ArrayList<String>();
    list.add("Blue Books");
    list.add("Scantrons");
    list.add("Printing");
    return list;
  }
  
  /**
     * Creates the Android options menu
     */
  @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.options_menu, menu);
        return true;
    }
    
  /**
     * Expand and define the Android options menu
     */
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
          case R.id.add_new_button:
          startActivity(new Intent(this, FINAddNew.class));
          return true;
          case R.id.help_button:
            startActivity(new Intent(this, FINHelp.class));
              return true;
          case R.id.categories_button:
            startActivity(new Intent(this, FINMenu.class));
              return true;
          default:
              return super.onOptionsItemSelected(item);
        }
    }
    
    /**
     * Prepares the options menu before being displayed.
     * Removes centering location option (special for the Map only).
     */
    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
      menu.findItem(R.id.my_location_button).setVisible(false);
      return true;
    }
}