edu.princeton.jrpalmer.asmlibrary.ListMyDataCursorLoader.java Source code

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Here is the source code for edu.princeton.jrpalmer.asmlibrary.ListMyDataCursorLoader.java

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/*
 * Space Mapper
 * Copyright (C) 2012, 2013 John R.B. Palmer
 * Contact: jrpalmer@princeton.edu
 * 
 * This file is part of Space Mapper.
 * 
 * Space Mapper is free software: you can redistribute it and/or modify 
 * it under the terms of the GNU General Public License as published by 
 * the Free Software Foundation, either version 3 of the License, or (at 
 * your option) any later version.
 * 
 * Space Mapper is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
 * See the GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along 
 * with Space Mapper.  If not, see <http://www.gnu.org/licenses/>.
 */

package edu.princeton.jrpalmer.asmlibrary;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.graphics.Color;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Adapter;
import android.widget.ListView;
import android.widget.TextView;
import edu.princeton.jrpalmer.asmlibrary.R;
import edu.princeton.jrpalmer.asmlibrary.Fix.Fixes;

public class ListMyDataCursorLoader extends FragmentActivity implements LoaderManager.LoaderCallbacks<Cursor> {

    private static final int LOADER_ID = 0x02;

    // String TAG = "ListMyData";
    TextView mNewFixBlinker;
    int color2;
    int color1;
    CountDownTimer newFixBlinkerTimer;
    Context context;
    ListView mListView;
    ListDataCursorAdapter adapter;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.list_my_data);

        context = getBaseContext();

        getSupportLoaderManager().initLoader(LOADER_ID, null, this);

        adapter = new ListDataCursorAdapter(this, R.layout.dblistitem, null,
                new String[] { "timelong", "latitude", "longitude", "altitude", "accuracy", "provider",
                        "sdtimelong" },
                new int[] { R.id.firstTimeLong, R.id.latitude, R.id.longitude, R.id.altitude, R.id.accuracy,
                        R.id.provider, R.id.sdTimeLong },
                Adapter.NO_SELECTION);

        ListView listView = (ListView) findViewById(R.id.listDataListView);
        listView.setAdapter(adapter);

        listView.setFastScrollEnabled(true);

        mNewFixBlinker = (TextView) findViewById(R.id.newFixBlinker);
        mNewFixBlinker.setVisibility(View.INVISIBLE);

        // Log.e(TAG, "onCreate");
    }

    public class FixReceiver extends BroadcastReceiver {

        @Override
        public void onReceive(Context context, Intent intent) {
            updateList(intent);
        }

    }

    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {

        return new CursorLoader(context, Util.getFixesUri(context), Fixes.KEYS_ALL, null, null,
                Fixes.KEY_ROWID + " DESC");
    }

    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        adapter.swapCursor(cursor);
    }

    public void onLoaderReset(Loader<Cursor> cursorLoader) {
        adapter.swapCursor(null);
    }

    public void updateList(Intent intent) {

        if (newFixBlinkerTimer != null) {
            newFixBlinkerTimer.cancel();
        }

        mNewFixBlinker.setVisibility(View.VISIBLE);
        color2 = Color.BLACK;
        color1 = getResources().getColor(R.color.light_yellow);
        newFixBlinkerTimer = new CountDownTimer(3000, 300) {
            public void onTick(long millisUntilFinished) {
                mNewFixBlinker.setTextColor(color1);
                int temp = color1;
                color1 = color2;
                color2 = temp;
            }

            public void onFinish() {
                mNewFixBlinker.setVisibility(View.INVISIBLE);
            }
        }.start();

    }

    FixReceiver fixReceiver;

    @Override
    protected void onResume() {

        IntentFilter fixFilter;
        fixFilter = new IntentFilter(
                getResources().getString(R.string.internal_message_id) + Util.MESSAGE_FIX_RECORDED);
        fixReceiver = new FixReceiver();
        registerReceiver(fixReceiver, fixFilter);

        if (Util.trafficCop(this))
            finish();
        super.onResume();

    }

    static final private int LOCATE_NOW = Menu.FIRST;

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        super.onCreateOptionsMenu(menu);

        menu.add(0, LOCATE_NOW, Menu.NONE, R.string.menu_locate_now);

        return true;

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        super.onOptionsItemSelected(item);

        switch (item.getItemId()) {
        case (LOCATE_NOW): {
            if (Util.locatingNow == false) {
                Intent i = new Intent(ListMyDataCursorLoader.this, FixGet.class);
                startService(i);
            }
            return true;
        }
        }
        return false;
    }

    @Override
    protected void onPause() {
        unregisterReceiver(fixReceiver);
        super.onPause();
    }

}