ie.clashoftheash.timetabler.ui.EventDetailActivity.java Source code

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/*
 * Copyright 2013 Ian Kavanagh
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ie.clashoftheash.timetabler.ui;

import org.acra.ACRA;

import ie.clashoftheash.timetabler.R;
import ie.clashoftheash.timetabler.authenticator.AccountUtils;
import ie.clashoftheash.timetabler.utils.LoadEvent;
import android.app.Activity;
import android.app.Fragment;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

/**
 * An activity representing a single Event detail screen. This activity is only
 * used on handset devices. On tablet-size devices, item details are presented
 * side-by-side with a list of items in a {@link EventListActivity}.
 * <p>
 * This activity is mostly just a 'shell' activity containing nothing more than
 * a {@link EventDetailFragment}.
 */
public class EventDetailActivity extends Activity implements LoadEvent.EventLoadListener {
    private static final String TAG = "EventDetailActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_event_detail);

        // Show the Up button in the action bar.
        getActionBar().setDisplayHomeAsUpEnabled(true);

        // savedInstanceState is non-null when there is fragment state
        // saved from previous configurations of this activity
        // (e.g. when rotating the screen from portrait to landscape).
        // In this case, the fragment will automatically be re-added
        // to its container so we don't need to manually add it.
        // For more information, see the Fragments API guide at:
        //
        // http://developer.android.com/guide/components/fragments.html
        //
        if (savedInstanceState == null) {
            // Create the detail fragment and add it to the activity
            // using a fragment transaction.
            Bundle arguments = new Bundle();
            arguments.putLong(EventDetailFragment.ARG_EVENT_ID,
                    getIntent().getLongExtra(EventDetailFragment.ARG_EVENT_ID, -1));
            Fragment fragment = new EventDetailFragment();
            fragment.setArguments(arguments);
            getFragmentManager().beginTransaction().add(R.id.event_detail_container, fragment).commit();
        }
    }

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

        AccountUtils.checkAccountExists(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_event, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_create_event:
            startActivity(new Intent(this, CreateEventActivity.class));
            return true;
        case R.id.menu_settings:
            startActivity(new Intent(this, SettingsActivity.class));
            return true;
        case android.R.id.home:
            // This ID represents the Home or Up button. In the case of this
            // activity, the Up button is shown. Use NavUtils to allow users
            // to navigate up one level in the application structure. For
            // more details, see the Navigation pattern on Android Design:
            //
            // http://developer.android.com/design/patterns/navigation.html#up-vs-back
            //
            NavUtils.navigateUpTo(this, new Intent(this, EventListActivity.class));
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public void OnEventLoadFinished(Cursor c) {
        try {
            ((EventDetailFragment) getFragmentManager().findFragmentById(R.id.event_detail_container))
                    .eventLoaded(c);
        } catch (NullPointerException e) {
            // Exception thrown if fragment not attached to an activity, in this
            // case loaded data not needed, close cursor and finish method
            Log.w(TAG, "Can't find fragment to add event data to", e);
            if (c != null)
                c.close();

            ACRA.getErrorReporter().handleSilentException(e);
        }
    }
}