Android Open Source - iEtueri New Exam Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package exams;
// w w w .  j  a  v a 2 s .  c  om
import java.util.Calendar;

import navigationdrawer.MainActivity;
import navigationdrawer.NavigationDrawerController;
import subject.DetailSubjectFragment;
import subject.Subject;
import utility.DatabaseContract;
import utility.DatabaseHelper;
import utility.DatePickerDialogFragment;
import utility.OnBackPressed;
import utility.OnClickButtonXml;
import utility.TimePickerDialogFragment;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.ContentValues;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.javils.ietueri.R;

public class NewExamFragment extends Fragment implements OnClickButtonXml, OnBackPressed {

  private EditText examName;
  private Button date;
  private Button fromHour;
  private Button toHour;
  private EditText note;

  private Subject subject;
  private Exam examToEdit;
  private DatabaseHelper dbHelper;
  private SQLiteDatabase db;

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_new_exam, container, false);

    dbHelper = new DatabaseHelper(getActivity());
    db = dbHelper.getWritableDatabase();

    /** Get the instances of the views */
    examName = (EditText) view.findViewById(R.id.newexam_exam_name);
    date = (Button) view.findViewById(R.id.newexam_end_date);
    fromHour = (Button) view.findViewById(R.id.newexam_from_hour);
    toHour = (Button) view.findViewById(R.id.newexam_to_hour);
    note = (EditText) view.findViewById(R.id.newexam_note);

    if (examToEdit != null) {
      examName.setText(examToEdit.getName());
      date.setHint(examToEdit.getEnd());
      fromHour.setHint(examToEdit.getInitHour());
      toHour.setHint(examToEdit.getEndHour());
      note.setText("" + examToEdit.getNote());
    }

    Calendar calendar = Calendar.getInstance();

    int year = calendar.get(Calendar.YEAR);
    int month = calendar.get(Calendar.MONTH);
    int day = calendar.get(Calendar.DAY_OF_MONTH);
    int hour = calendar.get(Calendar.HOUR_OF_DAY);
    int minute = calendar.get(Calendar.MINUTE);

    date.setHint(day + "/" + (month + 1) + "/" + year);
    fromHour.setHint(hour + ":" + minute);
    toHour.setHint((hour + 1) + ":" + minute);

    return view;
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    ((MainActivity) activity).onSectionAttached(getArguments()
        .getInt(NavigationDrawerController.ARG_SECTION_NUMBER));
  }

  @Override
  public void onClickXml(View view) {
    switch (view.getId()) {
    case R.id.newexam_end_date:
      showDatePickerDialog(view);
      break;
    case R.id.newexam_from_hour:
    case R.id.newexam_to_hour:
      showTimePickerDialog(view);
      break;
    case R.id.newexam_cancel:
      cancelExam();
      break;
    case R.id.newexam_acept:
      if (examToEdit == null)
        addNewExam();
      else
        updateExam();
      break;
    }
  }

  public void cancelExam() {
    FragmentManager fragmentManager = getFragmentManager();
    Fragment newFragment = NavigationDrawerController
        .newInstance(NavigationDrawerController.SECTION_NUMBER_DETAIL_SUBJECT);
    if (newFragment instanceof OnClickButtonXml)
      MainActivity.setOnClickFragment(newFragment);
    MainActivity.setCurrentFragment(newFragment);
    ((DetailSubjectFragment) newFragment).setSubject(subject);
    fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();

    /** Close the database */
    db.close();
    dbHelper.close();
  }

  public void addNewExam() {
    if (examName.getText().toString().isEmpty())
      Toast.makeText(getActivity(), "No hay nombre de examen. Por favor rellenalo.", Toast.LENGTH_SHORT).show();
    else {
      /** Fill the database with the data */
      ContentValues values = new ContentValues();
      values.put(DatabaseContract.Exams.COLUMN_NAME_EXAM_NAME, examName.getText().toString());
      date.setText(date.getText().toString().replaceAll("/", "-"));
      values.put(DatabaseContract.Exams.COLUMN_NAME_END_DATE, fromHour.getHint().toString() + "-"
          + toHour.getHint().toString() + "-" + date.getHint().toString());
      float inote = 0;
      if (!note.getText().toString().isEmpty())
        inote = Float.valueOf(note.getText().toString());
      values.put(DatabaseContract.Exams.COLUMN_NAME_NOTE, inote);
      values.put(DatabaseContract.Exams.COLUMN_NAME_NOTE_NECESSARY, 0.0);
      values.put(DatabaseContract.Exams.COLUMN_NAME_DONE, false);
      values.put(DatabaseContract.Exams.COLUMN_NAME_PONDERATION, -1);
      values.put(DatabaseContract.Exams.COLUMN_NAME_SUBJECT_ID, subject.getId());

      db.insert(DatabaseContract.Exams.TABLE_NAME, null, values);

      values.clear();
      subject.setNumberOfExams(subject.getNumberOfExams() + 1);
      subject.setExamsId(subject.getExamsId() + DatabaseHelper.getNextId(db, DatabaseContract.Exams.TABLE_NAME)
          + ";");
      subject.setNote(subject.getNote() + inote);
      values.put(DatabaseContract.Subjects.COLUMN_NAME_EXAMS_ID, subject.getExamsId());
      values.put(DatabaseContract.Subjects.COLUMN_NAME_AVERAGE, subject.getNote());
      String[] args = { String.valueOf(subject.getId()) };
      db.update(DatabaseContract.Subjects.TABLE_NAME, values, DatabaseContract.Subjects._ID + "=?", args);

      /** Back to Courses view */
      FragmentManager fragmentManager = getFragmentManager();
      Fragment newFragment = NavigationDrawerController
          .newInstance(NavigationDrawerController.SECTION_NUMBER_DETAIL_SUBJECT);
      if (newFragment instanceof OnClickButtonXml)
        MainActivity.setOnClickFragment(newFragment);
      MainActivity.setCurrentFragment(newFragment);
      ((DetailSubjectFragment) newFragment).setSubject(subject);
      fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();

      /** Close the database */
      db.close();
      dbHelper.close();
    }
  }

  public void updateExam() {
    if (examName.getText().toString().isEmpty())
      Toast.makeText(getActivity(), "No hay nombre de examen. Por favor rellenalo.", Toast.LENGTH_SHORT).show();
    else {
      /** Fill the database with the data */
      ContentValues values = new ContentValues();
      values.put(DatabaseContract.Exams.COLUMN_NAME_EXAM_NAME, examName.getText().toString());
      date.setText(date.getText().toString().replaceAll("/", "-"));
      values.put(DatabaseContract.Exams.COLUMN_NAME_END_DATE, fromHour.getHint().toString() + "-"
          + toHour.getHint().toString() + "-" + date.getHint().toString());
      float inote = 0;
      if (!note.getText().toString().isEmpty())
        inote = Float.valueOf(note.getText().toString());
      values.put(DatabaseContract.Exams.COLUMN_NAME_NOTE, inote);
      values.put(DatabaseContract.Exams.COLUMN_NAME_NOTE_NECESSARY, 0.0);
      values.put(DatabaseContract.Exams.COLUMN_NAME_DONE, false);
      values.put(DatabaseContract.Exams.COLUMN_NAME_PONDERATION, -1);

      String[] id = { "" + examToEdit.getId() };
      db.update(DatabaseContract.Exams.TABLE_NAME, values, DatabaseContract.Exams._ID + "=?", id);

      /** Back to Courses view */
      FragmentManager fragmentManager = getFragmentManager();
      Fragment newFragment = NavigationDrawerController
          .newInstance(NavigationDrawerController.SECTION_NUMBER_DETAIL_SUBJECT);
      if (newFragment instanceof OnClickButtonXml)
        MainActivity.setOnClickFragment(newFragment);
      MainActivity.setCurrentFragment(newFragment);
      ((DetailSubjectFragment) newFragment).setSubject(subject);
      fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();

      /** Close the database */
      db.close();
      dbHelper.close();
    }
  }

  public void showTimePickerDialog(View view) {
    TimePickerDialogFragment timeFragment = new TimePickerDialogFragment();
    timeFragment.setHandler((Button) view);
    timeFragment.show(getFragmentManager(), "newExamTimePicker");
  }

  public void showDatePickerDialog(View view) {
    DatePickerDialogFragment dateFragment = new DatePickerDialogFragment();
    dateFragment.setHandler((Button) view);
    dateFragment.show(getFragmentManager(), "newExamDatePicker");
  }

  public Subject getSubject() {
    return subject;
  }

  public void setSubject(Subject subject) {
    this.subject = subject;
  }

  public Exam getExamToEdit() {
    return examToEdit;
  }

  public void setExamToEdit(Exam examToEdit) {
    this.examToEdit = examToEdit;
  }

  @Override
  public void onBackPressed() {
    cancelExam();
  }

}

Java Source Code List

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