Android Open Source - iEtueri New Course Fragment

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License

The source code is released under:

GNU General Public License

Java Source Code

package courses;
/*from   www.ja  v a2 s. com*/
import java.util.Calendar;

import navigationdrawer.MainActivity;
import navigationdrawer.NavigationDrawerController;
import schedule.Event;
import utility.DatabaseContract;
import utility.DatabaseHelper;
import utility.DatePickerDialogFragment;
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.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.javils.ietueri.R;

public class NewCourseFragment extends Fragment implements OnClickButtonXml, OnBackPressed {

  private EditText nameCourse;
  private Button fromDate;
  private Button toDate;
  private DatabaseHelper dbHelper;
  private SQLiteDatabase db;

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_new_course, container, false);
    dbHelper = new DatabaseHelper(getActivity());
    db = dbHelper.getWritableDatabase();

    Calendar calendar = Calendar.getInstance();

    /** Get the instance of the views */
    nameCourse = (EditText) view.findViewById(R.id.newcourse_course_name);
    fromDate = (Button) view.findViewById(R.id.newcourse_course_init);
    toDate = (Button) view.findViewById(R.id.newcourse_course_end);

    String[] sDate = Event.getDate(calendar.getTimeInMillis()).split("-");
    int year = Integer.valueOf(sDate[0]);
    int month = Integer.valueOf(sDate[1]);
    int day = Integer.valueOf(sDate[2]);
    fromDate.setHint(day + "/" + month + "/" + year);
    toDate.setHint(day + "/" + month + "/" + year);
    return view;
  }

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

  /** Cancel the new course and back to Course View */
  private void cancelNewCourse() {
    FragmentManager fragmentManager = getFragmentManager();
    Fragment newFragment = NavigationDrawerController
        .newInstance(NavigationDrawerController.SECTION_NUMBER_COURSES);
    if (newFragment instanceof OnClickButtonXml)
      MainActivity.setOnClickFragment(newFragment);
    MainActivity.setCurrentFragment(newFragment);
    fragmentManager.beginTransaction().replace(R.id.navigation_drawer_container, newFragment).commit();

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

  }

  private void addNewCourse() {
    if (nameCourse.getText().toString().isEmpty())
      Toast.makeText(getActivity(), "No hay nombre de curso. Por favor rellenalo.", Toast.LENGTH_SHORT).show();
    else {
      /** Fill the database with the data */
      ContentValues values = new ContentValues();
      values.put(DatabaseContract.Courses._ID, DatabaseHelper.getNextId(db, DatabaseContract.Courses.TABLE_NAME));
      values.put(DatabaseContract.Courses.COLUMN_NAME_COURSE_NAME, nameCourse.getText().toString());
      values.put(DatabaseContract.Courses.COLUMN_NAME_NUMBER_OF_SUBJECTS, 0);
      values.put(DatabaseContract.Courses.COLUMN_NAME_AVERAGE, 0);
      values.put(DatabaseContract.Courses.COLUMN_NAME_INIT_DATE, fromDate.getHint().toString());
      values.put(DatabaseContract.Courses.COLUMN_NAME_END_DATE, toDate.getHint().toString());
      values.put(DatabaseContract.Courses.COLUMN_NAME_SUBJECTS_IDS, "");

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

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

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

  @Override
  public void onClickXml(View view) {

    switch (view.getId()) {
    case R.id.newcourse_course_init:
    case R.id.newcourse_course_end:
      showDatePickerDialog(view);
      break;
    case R.id.neworcancel_actionbar_acept:
      addNewCourse();
      break;
    case R.id.neworcancel_actionbar_cancel:
      cancelNewCourse();
      break;
    }
  }

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

  @Override
  public void onBackPressed() {
    cancelNewCourse();

  }

}

Java Source Code List

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