hostage/src/de/tudarmstadt/informatik/hostage/ui2/activity/MainActivity.java

package de.tudarmstadt.informatik.hostage.ui2.activity;

import java.util.ArrayList;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.os.Bundle;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.widget.DrawerLayout;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;

import de.tudarmstadt.informatik.hostage.R;
import de.tudarmstadt.informatik.hostage.ui.LogFilter;
import de.tudarmstadt.informatik.hostage.ui.ViewLogTable;
import de.tudarmstadt.informatik.hostage.ui2.adapter.DrawerListAdapter;
import de.tudarmstadt.informatik.hostage.ui2.fragment.HomeFragment;
import de.tudarmstadt.informatik.hostage.ui2.fragment.ProfileManagerFragment;
import de.tudarmstadt.informatik.hostage.ui2.fragment.RecordOverviewFragment;
import de.tudarmstadt.informatik.hostage.ui2.fragment.ServicesFragment;
import de.tudarmstadt.informatik.hostage.ui2.fragment.opengl.ThreatIndicatorGLRenderer;
import de.tudarmstadt.informatik.hostage.ui2.model.DrawerListItem;

/**
 * @author Alexander Brakowski
 * @created 12.01.14 23:24
 */
public class MainActivity extends Activity {
	private DrawerLayout mDrawerLayout;
	private ListView mDrawerList;
	private ActionBarDrawerToggle mDrawerToggle;

	private CharSequence mDrawerTitle;
	private CharSequence mTitle;

	public Fragment displayedFragment;

	private ArrayList<DrawerListItem> drawerItems;

	public static volatile Context context;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		MainActivity.context = getApplicationContext();

		setContentView(R.layout.activity_drawer_main);

		ThreatIndicatorGLRenderer.assets = getAssets();
		ThreatIndicatorGLRenderer.setThreatLevel(ThreatIndicatorGLRenderer.kThreatLevelNotMonitoring);
		// set background color
		TypedArray arr = getTheme().obtainStyledAttributes(
				new int[] { android.R.color.background_light });
		ThreatIndicatorGLRenderer.setBackgroundColor(arr.getColor(0, 0xFFFFFF));
		arr.recycle();

		ActionBar actionBar = getActionBar();
		actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_TITLE
				| ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_HOME_AS_UP);

		mTitle = mDrawerTitle = getTitle();
		mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
		mDrawerList = (ListView) findViewById(R.id.left_drawer);

		drawerItems = new ArrayList<DrawerListItem>();
		drawerItems.add(new DrawerListItem(R.string.drawer_overview, R.drawable.ic_menu_home));
		drawerItems.add(new DrawerListItem(R.string.drawer_threat_map, R.drawable.ic_menu_mapmode));
		drawerItems.add(new DrawerListItem(R.string.drawer_records, R.drawable.ic_menu_gallery));
		drawerItems.add(new DrawerListItem(R.string.drawer_services, R.drawable.ic_menu_set_as));
		drawerItems.add(new DrawerListItem(R.string.drawer_profile_manager, R.drawable.ic_menu_set_as));
		drawerItems.add(new DrawerListItem(R.string.drawer_settings, R.drawable.ic_menu_preferences));
		drawerItems.add(new DrawerListItem(R.string.drawer_app_info, R.drawable.ic_menu_info_details));


		DrawerListAdapter listAdapter = new DrawerListAdapter(this, drawerItems);

		mDrawerList.setAdapter(listAdapter);
		mDrawerList.setOnItemClickListener(new DrawerItemClickListener());

		getActionBar().setDisplayHomeAsUpEnabled(true);
		getActionBar().setHomeButtonEnabled(true);

		mDrawerToggle = new ActionBarDrawerToggle(
				this,                  /* host Activity */
				mDrawerLayout,         /* DrawerLayout object */
				R.drawable.ic_navigation_drawer,  /* nav drawer image to replace 'Up' caret */
				R.string.drawer_open,  /* "open drawer" description for accessibility */
				R.string.drawer_close  /* "close drawer" description for accessibility */
		) {
			public void onDrawerClosed(View view) {
				getActionBar().setTitle(mTitle);
				invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
			}

			public void onDrawerOpened(View drawerView) {
				getActionBar().setTitle(mDrawerTitle);
				invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
			}
		};
		mDrawerLayout.setDrawerListener(mDrawerToggle);

		if (savedInstanceState == null) {
			// on first time display view for first nav item
			displayView(0);
		}
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// toggle nav drawer on selecting action bar app icon/title
		if (mDrawerToggle.onOptionsItemSelected(item)) {
			return true;
		}

		return super.onOptionsItemSelected(item);
	}

	@Override
	public void setTitle(CharSequence title) {
		mTitle = title;
		getActionBar().setTitle(mTitle);
	}

	/**
	 * When using the ActionBarDrawerToggle, you must call it during
	 * onPostCreate() and onConfigurationChanged()...
	 */

	@Override
	protected void onPostCreate(Bundle savedInstanceState) {
		super.onPostCreate(savedInstanceState);
		// Sync the toggle state after onRestoreInstanceState has occurred.
		mDrawerToggle.syncState();
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
		// Pass any configuration change to the drawer toggls
		mDrawerToggle.onConfigurationChanged(newConfig);
	}

	private void displayView(int position) {
		// update the main content by replacing fragments
		Fragment fragment = null;
		switch (position) {
			case 0:
				fragment = new HomeFragment();
				break;
			case 2:
				//LogFilter filter = new LogFilter();
				Intent intent = this.getIntent(); //new Intent(this, ViewLogTable.class);
				intent.removeExtra(LogFilter.LOG_FILTER_INTENT_KEY);
				//intent.putExtra(LogFilter.LOG_FILTER_INTENT_KEY, null);
				fragment = new RecordOverviewFragment();
				break;
			case 3:
				fragment = new ServicesFragment();
				break;
			case 4:
				fragment = new ProfileManagerFragment();
				break;
			default:
				break;
		}

		if (fragment != null) {
			this.displayedFragment = fragment;
			FragmentManager fragmentManager = getFragmentManager();

			FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
			fragmentTransaction.replace(R.id.content_frame, fragment, fragment.getTag());
			fragmentTransaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
			fragmentTransaction.commit();

			// update selected item and title, then close the drawer
			mDrawerList.setItemChecked(position, true);
			mDrawerList.setSelection(position);
			setTitle(drawerItems.get(position).text);
			mDrawerLayout.closeDrawer(mDrawerList);
		}
	}

	private class DrawerItemClickListener implements ListView.OnItemClickListener {
		public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
			displayView(position);
		}
	}

	public Fragment getDisplayedFragment() {
		return this.displayedFragment;
	}
}