de.tu_berlin.snet.commstat.EmailFragment.java Source code

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Here is the source code for de.tu_berlin.snet.commstat.EmailFragment.java

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/*
   Commstat - Funf-based Sensor Application 
   Copyright (C) 2013 Serkan Sakar
    
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
    
   This program 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 General Public License for more details.
    
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package de.tu_berlin.snet.commstat;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import edu.mit.media.funf.util.StringUtil;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.util.Patterns;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.CheckedTextView;
import android.widget.EditText;
import android.widget.ListView;

public class EmailFragment extends ListFragment {

    public static final String TAG = "Email";

    private ArrayAdapter<String> adapter;
    private List<String> list;
    SharedPreferences prefs;

    public EmailFragment() {
    }

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

        setHasOptionsMenu(true);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);

        getListView().setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
    }

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

        prefs = getActivity().getSharedPreferences("default", Context.MODE_MULTI_PROCESS);

        loadAccounts();
        adapter = new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_multiple_choice, list);
        setListAdapter(adapter);

        initSelection();
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        CheckedTextView check = (CheckedTextView) v;
        prefs.edit().putBoolean("email" + position, check.isChecked()).commit();

        if (check.isChecked()) {
            Intent intent = new Intent(getActivity(), EmailSettingsActivity.class);
            intent.putExtra(getString(R.string.email_username_key), list.get(position));
            intent.putExtra("position", position);

            startActivity(intent);
        }
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        // Inflate the menu; this adds items to the action bar if it is present.
        super.onCreateOptionsMenu(menu, inflater);

        inflater.inflate(R.menu.email, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle item selection
        switch (item.getItemId()) {
        case R.id.action_account:
            addAccount();
            return true;
        default:
            return super.onOptionsItemSelected(item);
        }
    }

    private void saveAccounts() {
        Editor editor = prefs.edit();
        editor.putString("accounts", StringUtil.join(list, ";"));
        editor.putInt("emailCount", list.size());
        editor.commit();
    }

    private void loadAccounts() {
        String accounts = prefs.getString("accounts", null);

        if (accounts != null) {
            list = new ArrayList<String>(Arrays.asList(accounts.split(";")));
        } else {
            Set<String> set = new HashSet<String>();

            for (Account acc : AccountManager.get(getActivity()).getAccounts()) {
                if (Patterns.EMAIL_ADDRESS.matcher(acc.name).matches())
                    set.add(acc.name);
            }
            list = new ArrayList<String>(set);
            saveAccounts();
        }
    }

    private void initSelection() {
        for (int i = 0; i < prefs.getInt("emailCount", 0); i++) {
            getListView().setItemChecked(i, prefs.getBoolean("email" + i, false));
        }
    }

    private void addAccount() {
        final EditText input = new EditText(getActivity());

        new AlertDialog.Builder(getActivity()).setTitle("Add Account")
                .setMessage(getString(R.string.add_account_message)).setView(input)
                .setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                        list.add(input.getText().toString());
                        adapter.notifyDataSetChanged();
                        saveAccounts();
                    }
                }).setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int whichButton) {
                    }
                }).show();
    }
}