it.polimi.spf.app.MainActivity.java Source code

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Here is the source code for it.polimi.spf.app.MainActivity.java

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/* 
 * Copyright 2014 Jacopo Aliprandi, Dario Archetti
 * 
 * This file is part of SPF.
 * 
 * SPF is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free 
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * SPF 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 Lesser General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with SPF.  If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package it.polimi.spf.app;

import it.polimi.spf.app.fragments.ActivityFragment;
import it.polimi.spf.app.fragments.NotificationFragment;
import it.polimi.spf.app.fragments.advertising.AdvertisingFragment;
import it.polimi.spf.app.fragments.appmanager.AppManagerFragment;
import it.polimi.spf.app.fragments.contacts.ContactsFragment;
import it.polimi.spf.app.fragments.personas.PersonasFragment;
import it.polimi.spf.app.fragments.profile.ProfileFragment;
import it.polimi.spf.app.navigation.NavigationDrawerFragment;
import it.polimi.spf.app.navigation.NavigationFragment;
import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.support.v4.widget.DrawerLayout;

public class MainActivity extends Activity implements NavigationFragment.ItemSelectedListener {

    /**
     * Fragment managing the behaviors, interactions and presentation of the
     * navigation drawer.
     */
    private NavigationFragment mNavigationDrawerFragment;

    /**
     * Used to store the last screen title. For use in
     * {@link #restoreActionBar()}.
     */
    private CharSequence mTitle;

    /**
     * Array that contains the names of sections
     */
    private String[] mSectionNames;

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

        mTitle = getTitle();
        mSectionNames = getResources().getStringArray(R.array.content_fragments_titles);
        mNavigationDrawerFragment = (NavigationFragment) getFragmentManager().findFragmentById(R.id.navigation);

        getFragmentManager().executePendingTransactions();

        DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
        if (drawerLayout != null) {
            // We are in two panes mode, thus set up the drawer.
            ((NavigationDrawerFragment) mNavigationDrawerFragment).setUpDrawer(R.id.navigation, drawerLayout);
        }
    }

    @Override
    public void onItemSelect(int position, boolean replace) {
        // update the main content by replacing fragments
        FragmentManager fragmentManager = getFragmentManager();
        mTitle = getPageTitle(position);
        if (replace) {
            fragmentManager.beginTransaction().replace(R.id.container, createFragment(position)).commit();
        }
        invalidateOptionsMenu();
    }

    private String getPageTitle(int position) {
        return mSectionNames[position];
    }

    private Fragment createFragment(int position) {
        switch (position) {
        case 0:
            // Displays the profile
            return ProfileFragment.createViewSelfProfileFragment();
        case 1:
            // Displays available personas
            return new PersonasFragment();
        case 2:
            // Displays the list of friends
            return new ContactsFragment();
        case 3:
            // Displays the list of notifications
            return new NotificationFragment();
        case 4:
            // Displays advertising options
            return new AdvertisingFragment();
        case 5:
            // Displays the list of apps authorized to interact with SPF
            return new AppManagerFragment();
        case 6:
            return new ActivityFragment();
        default:
            throw new IndexOutOfBoundsException();
        }
    }

    public void restoreActionBar() {
        ActionBar actionBar = getActionBar();
        //actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(mTitle);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        restoreActionBar();
        if (mNavigationDrawerFragment.hasOptionsMenu()) {
            mNavigationDrawerFragment.onCreateOptionsMenu(menu, getMenuInflater());
            return true;
        }

        getCurrentFragment().onCreateOptionsMenu(menu, getMenuInflater());
        return true;

    }

    private Fragment getCurrentFragment() {
        getFragmentManager().executePendingTransactions();
        return getFragmentManager().findFragmentById(R.id.container);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        if (mNavigationDrawerFragment.hasOptionsMenu()) {
            mNavigationDrawerFragment.onPrepareOptionsMenu(menu);
            return true;
        }

        getCurrentFragment().onPrepareOptionsMenu(menu);
        return true;

    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mNavigationDrawerFragment.onOptionsItemSelected(item)) {
            return true;
        }

        return getCurrentFragment().onOptionsItemSelected(item);
    }
}