Android Open Source - Langleo Select List

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License

The source code is released under:
Apache License
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Java Source Code

package com.atteo.langleo_trial.activities;
//from   w ww. j a va2s .  co m
import java.util.ArrayList;
import java.util.HashMap;

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.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckedTextView;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import com.atteo.langleo_trial.R;
import com.atteo.langleo_trial.models.Collection;
import com.atteo.langleo_trial.models.List;
import com.atteo.silo.StorableCollection;

public class SelectList extends ListActivity {
  private ArrayList<HashMap<String, String>> datalist;
  private SimpleAdapter adapter;

  private Collection collection;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.select_list);
    ListView list = getListView();
    list.setItemsCanFocus(false);
    list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

    Intent intent = getIntent();
    collection = new Collection();
    collection.loadBundle(intent.getBundleExtra("collection"));
    collection.load();

    Button button = (Button) findViewById(R.id.select_file_ok);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        Intent intent = new Intent();
        ListView list = getListView();
        ArrayList<Integer> lists = new ArrayList<Integer>();
        int len = list.getCount();

        boolean found = false;
        for (int i = 0; i < len; i++)
          if (list.isItemChecked(i)) {
            lists.add(Integer.valueOf(datalist.get(i).get("id")));
            found = true;
          }
        if (!found)
          return;
        int array[] = new int[lists.size()];
        len = lists.size();
        for (int i = 0; i < len; i++)
          array[i] = lists.get(i);
        intent.putExtra("lists", array);
        setResult(RESULT_OK, intent);
        finish();
      }

    });

    button = (Button) findViewById(R.id.select_file_select_all);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        ListView l = getListView();
        int len = l.getCount();
        for (int i = 0; i < len; i++) {
          l.setItemChecked(i, true);
        }
      }
    });

    button = (Button) findViewById(R.id.select_file_deselect_all);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        ListView l = getListView();
        int len = l.getCount();
        for (int i = 0; i < len; i++) {
          l.setItemChecked(i, false);
        }
      }

    });

    refreshList();
  }

  public void refreshList() {
    datalist = new ArrayList<HashMap<String, String>>();

    StorableCollection lists = collection.getLists();

    lists.orderByInPlace("name");
    lists.iterate();
    List l;

    while ((l = lists.next()) != null) {
      HashMap<String, String> map = new HashMap<String, String>();
      map.put("id", String.valueOf(l.getId()));
      map.put("name", l.getName());
      datalist.add(map);
    }

    ListView list = getListView();

    adapter = new SimpleAdapter(this, datalist, R.layout.select_list_item,
        new String[] { "name" },
        new int[] { R.id.select_list_item_name });
    adapter.setViewBinder(new myBinder());
    list.setAdapter(adapter);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.select_list, menu);
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem menuItem) {

    switch (menuItem.getItemId()) {
    case R.id.select_list_help:
      showHelp();
      break;
    }
    return true;
  }

  private void showHelp() {
    Intent intent = new Intent(this, Help.class);
    intent.putExtra("part", "select_list");
    startActivity(intent);
  }

  private class myBinder implements SimpleAdapter.ViewBinder {

    public boolean setViewValue(View view, Object data,
        String textRepresentation) {
      ((CheckedTextView) view).setText(textRepresentation);
      return true;
    }

  }

}
Java Source Code List
