fr.eoit.activity.LocationPricesActivity.java Source code

Introduction

Here is the source code for fr.eoit.activity.LocationPricesActivity.java

Source

/*
 * Copyright (C) 2012 Picon software
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package fr.eoit.activity;

import android.app.ProgressDialog;
import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.View;
import android.widget.ListView;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;

import fr.eoit.R;
import fr.eoit.activity.util.StationListViewBinder;
import fr.eoit.activity.util.task.UpdateFavoriteStationPriceAsyncTask;
import fr.eoit.db.bean.Prices;
import fr.eoit.db.bean.Station;
import fr.eoit.db.dto.ColumnsNames.Region;
import fr.piconsoft.db.util.DbUtil;

/**
 * @author picon.software
 *
 */
public class LocationPricesActivity extends LoaderActivity<Cursor> {

    private SimpleCursorAdapter adapter;
    private boolean pricesUpdated = false;
    private int itemId;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if (savedInstanceState != null) {
            pricesUpdated = savedInstanceState.getBoolean("pricesUpdated");
            itemId = savedInstanceState.getInt("itemId");
        }

        setContentView(R.layout.location_prices);

        itemId = (int) ContentUris.parseId(getIntent().getData());

        // The names of the cursor columns to display in the view, initialized to the title column
        String[] dataColumns = { Station.COLUMN_NAME_STATION_TYPE_ID, Station.COLUMN_NAME_NAME,
                Region.COLUMN_NAME_NAME_ALIAS, Prices.COLUMN_NAME_BUY_PRICE, Prices.COLUMN_NAME_BUY_VOLUME,
                Prices.COLUMN_NAME_SELL_PRICE, Prices.COLUMN_NAME_SELL_VOLUME };

        // The view IDs that will display the cursor columns, initialized to the TextView in
        // noteslist_item.xml
        int[] viewIDs = { R.id.station_icon, R.id.station_name, R.id.location_name, R.id.buy_price, R.id.buy_volume,
                R.id.sell_price, R.id.sell_volume };

        // Creates the backing adapter for the ListView.
        adapter = new SimpleCursorAdapter(this, R.layout.price_station_row, null, dataColumns, viewIDs,
                SimpleCursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);

        adapter.setViewBinder(new StationListViewBinder());

        ListView listView = (ListView) findViewById(R.id.location_list);
        //listView.setOnItemClickListener(new ItemOnItemListClickListener());

        // Sets the ListView's adapter to be the cursor adapter that was just created.
        listView.setAdapter(adapter);

        initOrRestart();
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        outState.putBoolean("pricesUpdated", pricesUpdated);
        outState.putInt("itemId", itemId);
    }

    @Override
    protected void onReload() {
        super.onReload();

        initOrRestart();
    }

    @Override
    public Loader<Cursor> getCursorLoader(int id, Bundle args) {
        return new CursorLoader(this, getIntent().getData(),
                new String[] { Station._ID, Station.COLUMN_NAME_STATION_TYPE_ID, Station.COLUMN_NAME_NAME,
                        "r." + Region.COLUMN_NAME_NAME + " AS " + Region.COLUMN_NAME_NAME_ALIAS,
                        Prices.COLUMN_NAME_BUY_PRICE, Prices.COLUMN_NAME_BUY_VOLUME, Prices.COLUMN_NAME_SELL_PRICE,
                        Prices.COLUMN_NAME_SELL_VOLUME },
                null, null, null);
    }

    @Override
    protected void onResume() {
        super.onResume();

        if (!pricesUpdated) {
            ProgressDialog waitDialog = new ProgressDialog(this);
            waitDialog.setCancelable(true);
            waitDialog.setMessage(getString(R.string.retreiving_station_prices));
            waitDialog.show();

            new UpdateFavoriteStationPriceAsyncTask(waitDialog, itemId).execute(this);
            pricesUpdated = true;
        }
    }

    @Override
    public void onLoadFinished(Cursor data) {
        adapter.swapCursor(data);
        if (DbUtil.hasAtLeastOneRow(data)) {
            findViewById(R.id.location_list).setVisibility(View.VISIBLE);
            findViewById(android.R.id.empty).setVisibility(View.GONE);
        } else {
            findViewById(R.id.location_list).setVisibility(View.GONE);
            findViewById(android.R.id.empty).setVisibility(View.VISIBLE);
        }
    }

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

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getSupportMenuInflater();
        inflater.inflate(R.menu.location_prices_menu, menu);

        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.ADD_REMOVE_OPTION:
            final Intent intent = new Intent(this, StationAddRemoveActivity.class);
            startActivity(intent);
            return true;

        default:
            return false;
        }
    }
}