Android Open Source - iEtueri New Subject Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package subject;
/*from  w  w w .j  av  a 2 s.  co  m*/
import navigationdrawer.MainActivity;
import navigationdrawer.NavigationDrawerController;
import utility.DatabaseContract;
import utility.DatabaseHelper;
import utility.OnBackPressed;
import utility.OnClickButtonXml;
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.EditText;
import android.widget.Toast;

import com.javils.ietueri.R;

import courses.Course;
import courses.CourseDetailFragment;

public class NewSubjectFragment extends Fragment implements OnClickButtonXml, OnBackPressed {

  private EditText nameSubject;
  private EditText nameTeacher;
  private EditText credits;
  private EditText note;
  private Course course;

  private DatabaseHelper dbHelper;
  private SQLiteDatabase db;

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

    /** Get the instances of the views */
    nameSubject = (EditText) view.findViewById(R.id.new_subject_name_subject);
    nameTeacher = (EditText) view.findViewById(R.id.new_subject_teacher);
    credits = (EditText) view.findViewById(R.id.new_subject_credits);
    note = (EditText) view.findViewById(R.id.new_subject_note);
    dbHelper = new DatabaseHelper(getActivity());
    db = dbHelper.getWritableDatabase();

    return view;
  }

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

  private void newSubject() {

    if (nameSubject.getText().toString().isEmpty())
      Toast.makeText(getActivity(), "No hay nombre de curso. Por favor rellenalo.", Toast.LENGTH_SHORT).show();
    else {
      ContentValues values = new ContentValues();
      values.put(DatabaseContract.Subjects.COLUMN_NAME_SUBJECT_NAME, nameSubject.getText().toString());
      values.put(DatabaseContract.Subjects.COLUMN_NAME_TEACHER, nameTeacher.getText().toString());

      String credits = this.credits.getText().toString();

      if (credits.isEmpty())
        credits = "0";

      values.put(DatabaseContract.Subjects.COLUMN_NAME_CREDITS, credits);
      values.put(DatabaseContract.Subjects.COLUMN_NAME_AVERAGE, 0);
      values.put(DatabaseContract.Subjects.COLUMN_NAME_COURSE_ID, course.getId());
      values.put(DatabaseContract.Subjects.COLUMN_NAME_NOTE, 0);
      values.put(DatabaseContract.Subjects.COLUMN_NAME_NOTE_NECESSARY, 0);
      values.put(DatabaseContract.Subjects.COLUMN_NAME_EXAMS_ID, "");
      values.put(DatabaseContract.Subjects.COLUMN_NAME_HOMEWORK_ID, "");
      values.put(DatabaseContract.Subjects.COLUMN_NAME_PONDERATIONS_ID, "");
      values.put(DatabaseContract.Subjects.COLUMN_NAME_SCHEDULES_ID, "");

      db.insert(DatabaseContract.Subjects.TABLE_NAME, null, values);
      values.clear();
      course.setNumberOfSubjects(course.getNumberOfSubjects() + 1);
      values.put(DatabaseContract.Courses.COLUMN_NAME_NUMBER_OF_SUBJECTS, course.getNumberOfSubjects());
      String[] argsSelection = { String.valueOf(course.getId()) };
      db.update(DatabaseContract.Courses.TABLE_NAME, values, DatabaseContract.Courses._ID + "= ?", argsSelection);

      Toast.makeText(getActivity(), "Asignatura creada", Toast.LENGTH_SHORT).show();
      FragmentManager fragmentManager = getFragmentManager();
      Fragment newFragment = NavigationDrawerController
          .newInstance(NavigationDrawerController.SECTION_NUMBER_DETAIL_COURSE);
      if (newFragment instanceof OnClickButtonXml)
        MainActivity.setOnClickFragment(newFragment);
      MainActivity.setCurrentFragment(newFragment);
      ((CourseDetailFragment) newFragment).setCourse(course);
      fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();
    }
  }

  @Override
  public void onStop() {
    super.onStop();
    db.close();
    dbHelper.close();
  }

  private void cancelSubject() {
    FragmentManager fragmentManager = getFragmentManager();
    Fragment newFragment = NavigationDrawerController
        .newInstance(NavigationDrawerController.SECTION_NUMBER_DETAIL_COURSE);
    if (newFragment instanceof OnClickButtonXml)
      MainActivity.setOnClickFragment(newFragment);
    MainActivity.setCurrentFragment(newFragment);
    ((CourseDetailFragment) newFragment).setCourse(course);
    fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();
  }

  @Override
  public void onClickXml(View view) {
    switch (view.getId()) {
    case R.id.neworcancel_actionbar_acept:
      newSubject();
      break;
    case R.id.neworcancel_actionbar_cancel:
      cancelSubject();
      break;
    }
  }

  public Course getCourse() {
    return course;
  }

  public void setCourse(Course course) {
    this.course = course;
  }

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

Java Source Code List

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