edu.rutgers.winlab.crowdpp.ui.SocialDiaryFragment.java Source code

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Here is the source code for edu.rutgers.winlab.crowdpp.ui.SocialDiaryFragment.java

Source

/*
 * Copyright (c) 2012-2014 Chenren Xu, Sugang Li
 * Acknowledgments: Yanyong Zhang, Yih-Farn (Robin) Chen, Emiliano Miluzzo, Jun Li
 * Contact: lendlice@winlab.rutgers.edu
 *
 * This file is part of the Crowdpp.
 *
 * Crowdpp 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.
 *
 * Crowdpp 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 the Crowdpp. If not, see <http://www.gnu.org/licenses/>.
 * 
 */

package edu.rutgers.winlab.crowdpp.ui;

import edu.rutgers.winlab.crowdpp.R;
import edu.rutgers.winlab.crowdpp.db.DataBaseHelper;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.text.method.ScrollingMovementMethod;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

/**
 * The social diary fragment 
 * @author Chenren Xu, Sugang Li
 */
public class SocialDiaryFragment extends Fragment {

    Button bt_date;
    TextView tv_record;

    DataBaseHelper mDatabase = null;
    Cursor mCursor = null;
    SQLiteDatabase mDB = null;

    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.socialdiary_fragment_layout, container, false);
        bt_date = (Button) view.findViewById(R.id.bt_socialdiary_date);
        tv_record = (TextView) view.findViewById(R.id.tv_socialdiary_record);
        tv_record.setMovementMethod(new ScrollingMovementMethod());

        mDatabase = new DataBaseHelper(getActivity().getApplicationContext());
        mDB = mDatabase.getWritableDatabase();

        // display the social diary based on the selected date
        bt_date.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                final String[] dates = mDatabase.queryDatesInDiary(mDB);
                new AlertDialog.Builder(getActivity()).setTitle("Choose date")
                        .setSingleChoiceItems(dates, 0, new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                String date[] = new String[] { dates[which] };
                                String diary = "Date\t\t\t\t\t\tTime\t\t\t\t\t\t#\t\t%\t\tLat\t\t\t\t\tLong\n";
                                mCursor = mDatabase.queryDiaryByDates(mDB, date);

                                if (mCursor.moveToFirst()) {
                                    while (mCursor.isAfterLast() == false) {
                                        String record = mCursor.getString(0) + "\t\t\t" + mCursor.getString(1)
                                                + " - " + mCursor.getString(2) + "\t\t\t" + mCursor.getString(3)
                                                + "\t\t\t\t" + mCursor.getString(4) + "\n";
                                        diary = diary + record;
                                        mCursor.moveToNext();
                                    }
                                }
                                tv_record.setText(diary);
                                dialog.dismiss();
                            }
                        }).show();
            }
        });
        return view;
    }

}