pl.bcichecki.rms.client.android.activities.MainActivity.java Source code

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Here is the source code for pl.bcichecki.rms.client.android.activities.MainActivity.java

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/**
 * Project:   rms-client-android
 * File:      MainActivity.java
 * License: 
 *            This file is licensed under GNU General Public License version 3
 *            http://www.gnu.org/licenses/gpl-3.0.txt
 *
 * Copyright: Bartosz Cichecki [ cichecki.bartosz@gmail.com ]
 * Date:      30-12-2012
 */

package pl.bcichecki.rms.client.android.activities;

import org.apache.commons.lang3.StringUtils;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.NavUtils;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

import pl.bcichecki.rms.client.android.R;
import pl.bcichecki.rms.client.android.dialogs.AboutDialog;
import pl.bcichecki.rms.client.android.fragments.DevicesListFragment;
import pl.bcichecki.rms.client.android.fragments.EventsListFragment;
import pl.bcichecki.rms.client.android.fragments.UsersListFragment;
import pl.bcichecki.rms.client.android.holders.UserProfileHolder;
import pl.bcichecki.rms.client.android.listeners.ActivityAwareDialogInterfaceOnClickListener;
import pl.bcichecki.rms.client.android.listeners.MainActivityActionBarTabListener;

public class MainActivity extends FragmentActivity {

    public class SectionsPagerAdapter extends FragmentPagerAdapter {

        public SectionsPagerAdapter(FragmentManager fm) {
            super(fm);
        }

        @Override
        public int getCount() {
            return 3;
        }

        @Override
        public Fragment getItem(int position) {
            Fragment fragment;
            switch (position) {
            case 0:
                fragment = new EventsListFragment();
                return fragment;
            case 1:
                fragment = new DevicesListFragment();
                return fragment;
            case 2:
                fragment = new UsersListFragment();
                return fragment;
            default:
                throw new IllegalArgumentException("Requested position " + position + " out of " + getCount());
            }
        }

        @Override
        public CharSequence getPageTitle(int position) {
            switch (position) {
            case 0:
                return StringUtils.upperCase(getString(R.string.activity_main_events_section_title));
            case 1:
                return StringUtils.upperCase(getString(R.string.activity_main_devices_section_title));
            case 2:
                return StringUtils.upperCase(getString(R.string.activity_main_users_section_title));
            default:
                throw new IllegalArgumentException("Requested position " + position + " out of " + getCount());
            }
        }
    }

    private static final String TAG = "MainActivity";

    private ActionBar actionBar;

    private SectionsPagerAdapter sectionsPagerAdapter;

    private ViewPager viewPager;

    private MainActivityActionBarTabListener mainActivityActionBarTabListener;

    private void logout() {
        AlertDialog.Builder logoutDialog = new AlertDialog.Builder(this);
        logoutDialog.setTitle(R.string.activity_main_logout_dialog_title);
        logoutDialog.setMessage(R.string.activity_main_logout_dialog_message);
        logoutDialog.setPositiveButton(android.R.string.yes, new ActivityAwareDialogInterfaceOnClickListener(this) {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                UserProfileHolder.clear();
                NavUtils.navigateUpFromSameTask(getActivity());
            }
        });
        logoutDialog.setNegativeButton(android.R.string.no, new DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                // Nothing to do...
            }
        });
        logoutDialog.show();
    }

    @Override
    public void onBackPressed() {
        logout();
    }

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

        actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        actionBar.setDisplayHomeAsUpEnabled(true);

        sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

        viewPager = (ViewPager) findViewById(R.id.pager);
        viewPager.setAdapter(sectionsPagerAdapter);
        viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {

            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }
        });

        mainActivityActionBarTabListener = new MainActivityActionBarTabListener(viewPager);

        for (int i = 0; i < sectionsPagerAdapter.getCount(); i++) {
            Tab tab = actionBar.newTab();
            tab.setText(sectionsPagerAdapter.getPageTitle(i));
            tab.setTabListener(mainActivityActionBarTabListener);
            actionBar.addTab(tab);
        }
    }

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

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home || item.getItemId() == R.id.activity_main_menu_logout) {
            Log.d(TAG, "Logout requested...");
            logout();
            return true;
        }
        if (item.getItemId() == R.id.activity_main_menu_about) {
            Log.v(TAG, "Showing about dialog...");

            AboutDialog aboutDialog = new AboutDialog();
            aboutDialog.show(getSupportFragmentManager(), TAG);
            return true;
        }
        if (item.getItemId() == R.id.activity_main_menu_messaging) {
            Log.d(TAG, "Moving to Messaging Activity...");

            Intent messagingActivityIntent = new Intent(this, MessagingActivity.class);
            startActivity(messagingActivityIntent);
            return true;
        }
        if (item.getItemId() == R.id.activity_main_menu_settings) {
            Log.d(TAG, "Moving to Settings Activity...");

            Intent settingsActivityIntent = new Intent(this, SettingsActivity.class);
            startActivity(settingsActivityIntent);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

}