org.dmfs.webcal.EventsPreviewActivity.java Source code

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Here is the source code for org.dmfs.webcal.EventsPreviewActivity.java

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/*
 * Copyright (C) 2014 SchedJoules
 *
 * 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 org.dmfs.webcal;

import org.dmfs.android.retentionmagic.FragmentActivity;
import org.dmfs.android.retentionmagic.annotations.Parameter;
import org.dmfs.webcal.fragments.EventsPreviewDetailFragment;
import org.dmfs.webcal.utils.Event;

import android.app.ActionBar;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.text.TextUtils;
import android.view.MenuItem;

/**
 * An Activity that presents the details of an event to the user.
 * 
 * @author Marten Gajda <marten@dmfs.org>
 */
public class EventsPreviewActivity extends FragmentActivity {
    private static final String EXTRA_CALENDAR_NAME = "org.dmfs.webcal.EventsPreviewActivity.CALENDAR_NAME";
    private static final String EXTRA_CALENDAR_IMAGE = "org.dmfs.webcal.EventsPreviewActivity.CALENDAR_IMAGE_URL";
    private static final String EXTRA_PREVIEW_EVENT = "org.dmfs.webcal.EventsPreviewActivity.PREVIEW_EVENT";
    private static final String EXTRA_PAGE_TITLE = "org.dmfs.webcal.EventsPreviewActivity.PAGE_TITLE";

    private static final String CONTENT_TYPE_EVENT = "vnd.android.cursor.item/event";

    @Parameter(key = EXTRA_CALENDAR_NAME)
    private String mCalendarName;

    @Parameter(key = EXTRA_CALENDAR_IMAGE)
    private long mCalendarIconId;

    @Parameter(key = EXTRA_PREVIEW_EVENT)
    Event mEvent = null;

    @Parameter(key = EXTRA_PAGE_TITLE)
    private String mTitle = null;

    /**
     * Shows a details view for the given event.
     * 
     * @param context
     *            A {@link Context}.
     * @param event
     *            The event to present.
     * @param calendarName
     *            The name of the calendar.
     * @param mIconId
     *            An icon id.
     * @param title
     *            The title of the page.
     */
    public static void show(Context context, Event event, String calendarName, long mIconId, String title) {
        Intent intent = new Intent(context, EventsPreviewActivity.class);
        intent.putExtra(EXTRA_CALENDAR_NAME, calendarName);
        intent.putExtra(EXTRA_CALENDAR_IMAGE, mIconId);
        intent.putExtra(EXTRA_PREVIEW_EVENT, event);
        intent.putExtra(EXTRA_PAGE_TITLE, title);
        context.startActivity(intent);
    }

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

        if (savedInstanceState == null) {
            FragmentManager fragmentManager = getSupportFragmentManager();
            FragmentTransaction transaction = fragmentManager.beginTransaction();
            transaction.add(R.id.events_preview_fragment_container,
                    EventsPreviewDetailFragment.newInstance(mEvent, mCalendarName, mCalendarIconId, mTitle));
            transaction.commit();
        }

        ActionBar actionBar = getActionBar();

        if (TextUtils.equals(mTitle, mCalendarName)) {
            actionBar.setTitle(mCalendarName);
            actionBar.setSubtitle(null);
        } else {
            actionBar.setTitle(mCalendarName);
            actionBar.setSubtitle(mTitle);
        }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            // Respond to the action bar's Up/Home button imitating a back button press
            onBackPressed();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}