SearchFormActivity.java

/****************************************
 * SearchFormActivity
 * The inital activity.
 * This activity runs the search form.
 * Upon hitting the submit button, it uses RequestTask
 * 	to create an ArrayList of Profiles.
 * 	It then launches a ListActivityIntent to display them.
 * **************************************/

package edu.grinnell.appdev.grinnelldirectory.Activities;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBar.Tab;
import android.support.v7.app.ActionBarActivity;
import android.widget.Button;
import android.widget.Spinner;
import android.widget.TextView;

import com.crashlytics.android.Crashlytics;
import com.flurry.android.FlurryAgent;

import edu.grinnell.appdev.grinnelldirectory.Fragments.BasicSearchFragment;
import edu.grinnell.appdev.grinnelldirectory.Fragments.DetailedSearchFragment;
import edu.grinnell.appdev.grinnelldirectory.R;
import edu.grinnell.appdev.grinnelldirectory.Tasks.RequestTask;

/**
 * Launch activity used for rendering the input form -- either using basic or advanced search (using tabs)
 */
public class SearchFormActivity extends ActionBarActivity {

	int parserErrorMessage = RequestTask.NO_ERROR;

	Context mActivity = this;

	// Fields in the layout
	TextView firstNameText;
	TextView lastNameText;
	TextView usernameText;
	TextView phoneText;
	TextView campusAddressText;
	TextView homeAddressText;
	Spinner facDeptSpinner;
	Spinner studentMajorSpinner;
	Spinner concentrationSpinner;
	Spinner sgaSpinner;
	Spinner haitusSpinner;
	Spinner studentClassSpinner;
	Button submitButton;

	ViewPager mPager;
	ActionBar mActionBar;
	Tab tab;

	ActionBar.TabListener tabListener;

	static public Boolean inGrinnell = true;

	// An intent for ProfileListActivity
	Intent listIntent;

	public static final int NETWORK = 3;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		Crashlytics.start(this);
		setContentView(R.layout.activity_search_form);

        mActionBar = getSupportActionBar();
        mActionBar.setLogo(R.drawable.icon_launcher);
		mActionBar.setDefaultDisplayHomeAsUpEnabled(true);
		mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

		mPager = (ViewPager) findViewById(R.id.pager);
		setTitle("Search");
//		mActionBar.setIcon(R.drawable.icon_launcher);

		FragmentManager fm = getSupportFragmentManager();

		// Capture ViewPager page swipes
		ViewPager.SimpleOnPageChangeListener ViewPagerListener = new ViewPager.SimpleOnPageChangeListener() {
			@Override
			public void onPageSelected(int position) {
				super.onPageSelected(position);
				// Find the ViewPager Position
				mActionBar.setSelectedNavigationItem(position);
			}
		};

		mPager.setOnPageChangeListener(ViewPagerListener);
		// Locate the adapter class called ViewPagerAdapter.java
		SearchFragmentAdapter fragmentAdapter = new SearchFragmentAdapter(fm);
		// Set the View Pager Adapter into ViewPager
		mPager.setAdapter(fragmentAdapter);

		// Capture tab button clicks
		tabListener = new ActionBar.TabListener() {

			@Override
			public void onTabSelected(Tab tab, FragmentTransaction ft) {
				// Pass the position on tab click to ViewPager
				mPager.setCurrentItem(tab.getPosition());
			}

			@Override
			public void onTabUnselected(Tab tab, FragmentTransaction ft) {
				// TODO Auto-generated method stub
			}

			@Override
			public void onTabReselected(Tab tab, FragmentTransaction ft) {
				// TODO Auto-generated method stub
			}
		};

		tab = mActionBar.newTab().setText("Simple Search");
		tab.setTabListener(tabListener);
		mActionBar.addTab(tab);

		// Create first Tab
		tab = mActionBar.newTab().setText("Detailed Search");
		tab.setTabListener(tabListener);
		mActionBar.addTab(tab);

	}

	@Override
	public void onResume() {
		super.onResume();

		ConnectivityManager cm = (ConnectivityManager) this
				.getSystemService(Context.CONNECTIVITY_SERVICE);

		// check connections before downloading..

		if (!networkEnabled(cm)) {
			noNetworkError();
		} else {
			try {
				// Determine whether on campus or not.
				WifiManager wifiMgr = (WifiManager) mActivity
						.getSystemService(Context.WIFI_SERVICE);
				WifiInfo wifiInfo = wifiMgr.getConnectionInfo();

				String wirelessNetworkName = wifiInfo.getSSID();
				if (wirelessNetworkName != null) {

					wirelessNetworkName = wirelessNetworkName.replaceAll("\"", "");

					if (wirelessNetworkName.contentEquals("GrinnellCollegeStudent")
							|| wirelessNetworkName.contentEquals("GrinnellCollegeWireless")) {
						inGrinnell = true;
					} else {
						inGrinnell = false;
					}
				} else {
					inGrinnell = false;
				}
			} catch (NullPointerException e) {
				inGrinnell = false;
			}

		}
	}

	// Converts plain-text strings into HTTP-friendly strings.
	public String cleanString(String str) {
		if (str.length() >= 4 && str.substring(0, 3).equals("Any")) {
			return "";
		}
		str = str.replace(" ", "+");
		str = str.replace(",", "%2C");
		str = str.replace("&", "%26");
		str = str.replace("\n", "");
		if (str.length() > 36) {
			str = str.substring(0, 35);
		}
		return str;
	}

	/**
	 * Takes the string from the hiatus spinner and formats it for the http
	 * request
	 */
	public String cleanHiatus(String str) {
		if (str.substring(0, 3).equals("Any")) {
			str = "";
		} else if (str.equals("Engineering")) {
			str = "ENGR";
		} else if (str.equals("Grinnell In London")) {
			str = "GIL";
		} else if (str.equals("Grinnell In Washington")) {
			str = "GIW";
		} else if (str.equals("Off Campus Study")) {
			str = "ACLV";
		}

		return str;
	}

	/*
	 * Return true if the device has a network adapter that is capable of
	 * accessing the network.
	 */
	protected static boolean networkEnabled(ConnectivityManager connec) {
		// ARE WE CONNECTED TO THE NET

		if (connec == null) {
			return false;
		}
		try {
			if (connec.getNetworkInfo(1) != null
					&& connec.getNetworkInfo(1).getState() == NetworkInfo.State.CONNECTED)
				return true;
			else if (connec.getNetworkInfo(0) != null
					&& connec.getNetworkInfo(0).getState() == NetworkInfo.State.CONNECTED)
				return true;
			else
				return false;
		} catch (NullPointerException exception) {
			return false;
		}
	}

	public void noNetworkError() {
		AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
		// set title
		alertDialogBuilder.setTitle("No Internet Connection");
		// set dialog message
		alertDialogBuilder.setPositiveButton("Exit", new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int id) {
				dialog.cancel();
				finish();
			}
		});
		// create alert dialog
		AlertDialog alertDialog = alertDialogBuilder.create();
		// show it
		alertDialog.show();
	}

	// Fragment pager adapter for the search forms
	public static class SearchFragmentAdapter extends FragmentPagerAdapter {

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

		@Override
		public int getCount() {
			return 2;
		}

		@Override
		public Fragment getItem(int position) {
			if (position == 0) {
				return new BasicSearchFragment();
			} else if (position == 1) {
				return new DetailedSearchFragment();
			} else
				return null;
		}
	}

	@Override
	protected void onStart() {
		super.onStart();
		FlurryAgent.onStartSession(this, "PRC5TVNX9DP7C9SVQDW3");
	}

	@Override
	protected void onStop() {
		super.onStop();
		FlurryAgent.onEndSession(this);
	}
}