ch.ccapps.android.zeneggen.MainActivity.java Source code

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Here is the source code for ch.ccapps.android.zeneggen.MainActivity.java

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/*
 * Copyright (C) 2015 The Android Open Source Project
 *
 * 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 ch.ccapps.android.zeneggen;

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.NavigationView;
import android.support.design.widget.Snackbar;
import android.support.design.widget.TabLayout;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.GravityCompat;
import android.support.v4.view.ViewPager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;

import java.util.ArrayList;
import java.util.List;

import ch.ccapps.android.zeneggen.fragment.EventsFragment;
import ch.ccapps.android.zeneggen.fragment.HotelListFragment;

/**
 * TODO
 */
public class MainActivity extends AppCompatActivity {

    private DrawerLayout mDrawerLayout;
    private Adapter adapter;

    private final static String TAG = MainActivity.class.getSimpleName();

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

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        final ActionBar ab = getSupportActionBar();
        ab.setHomeAsUpIndicator(R.drawable.ic_menu);
        ab.setDisplayHomeAsUpEnabled(true);

        mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);

        NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
        if (navigationView != null) {
            setupDrawerContent(navigationView);
        }
        adapter = new Adapter(getSupportFragmentManager());
        ViewPager viewPager = (ViewPager) findViewById(R.id.viewpager);
        if (viewPager != null) {
            setupViewPager();
        }
        viewPager.setAdapter(adapter);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Willkommen in Zeneggen", Snackbar.LENGTH_LONG).setAction("Action", null)
                        .show();
            }
        });

        TabLayout tabLayout = (TabLayout) findViewById(R.id.tabs);
        tabLayout.setupWithViewPager(viewPager);

        initImageLoader();
    }

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

    public void initImageLoader() {
        ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(this).build();
        ImageLoader.getInstance().init(config);
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            mDrawerLayout.openDrawer(GravityCompat.START);
            return true;

        }
        return super.onOptionsItemSelected(item);
    }

    private void setupViewPager() {

        adapter.addFragment(new HotelListFragment(), "B&B");
        adapter.addFragment(new HotelListFragment(), "Hotels");

    }

    private void setViewPagerEvents() {
        adapter.removeAllFragments();
        adapter.addFragment(new EventsFragment(), "Aktuelle Events");
        adapter.addFragment(new EventsFragment(), "Frhere Events");
        adapter.addFragment(new EventsFragment(), "Category 3");
        adapter.notifyDataSetChanged();
    }

    private void setupDrawerContent(@NonNull NavigationView navigationView) {
        navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
                if (menuItem.getItemId() == R.id.nav_home) {
                    Log.i(TAG, "home clicked");
                    setViewPagerEvents();

                } else if (menuItem.getItemId() == R.id.nav_hotels) {
                    Log.i(TAG, "hotels clicked");
                    setupViewPager();
                }
                menuItem.setChecked(true);
                mDrawerLayout.closeDrawers();
                return true;

            }
        });
    }

    static class Adapter extends FragmentPagerAdapter {
        private final List<Fragment> mFragments = new ArrayList<>();
        private final List<String> mFragmentTitles = new ArrayList<>();

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

        public void addFragment(Fragment fragment, String title) {
            mFragments.add(fragment);
            mFragmentTitles.add(title);
        }

        public void removeAllFragments() {
            mFragments.clear();
            mFragmentTitles.clear();
        }

        @Override
        public Fragment getItem(int position) {
            return mFragments.get(position);
        }

        @Override
        public int getCount() {
            return mFragments.size();
        }

        @Override
        public CharSequence getPageTitle(int position) {
            return mFragmentTitles.get(position);
        }
    }
}