Android Open Source - digitalcampus New Exam Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.llenguatges.digitalcampus.exams;
/*w  w  w .j av  a 2s.co m*/
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;

import android.annotation.SuppressLint;
import android.app.ActionBar;
import android.app.Activity;
import android.net.ParseException;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.Spinner;
import android.widget.TimePicker;

import com.llenguatges.digitalcampus.R;
import com.llenguatges.digitalcampus.adapters.SpinnerAdapter;
import com.llenguatges.digitalcampus.database.ExamTable;
import com.llenguatges.digitalcampus.database.SubjectTable;
import com.llenguatges.digitalcampus.objects.Exam;

public class NewExamActivity extends Activity{
  
  private Long id;
  private Exam exam;
  private ExamTable examTable;
  private Button save;
  
  /**
   * Interface definition for a callback to be invoked when a view is clicked.
   */
  private OnClickListener onClick = new OnClickListener() {
    /**
     * Called when a view has been clicked.
     */
    public void onClick(View v) {
      switch (v.getId()) {
      case R.id.new_exam_save:
        setExam();
        if(id == 0){
          examTable.Insert(exam);
        }else{
          examTable.UpdateTableById(exam);
        }
        finish();
        break;
      default:
        break;
      }
      
    }
  };
  
  /**
   * Called when the activity is first created. 
   * This is where you all of static set up: customize ActionBar. 
   * This method also provides you with a Bundle containing the 
   * activity's previously frozen state, if there was one.
   */
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_new_exam);
    ActionBar actionBar = getActionBar();
    actionBar.setSubtitle("New/Edit exam");
    actionBar.setDisplayHomeAsUpEnabled(true);
    Bundle extras = getIntent().getExtras();
    TimePicker tp = (TimePicker) findViewById(R.id.new_exam_time);
    tp.setIs24HourView(true);
    save = (Button) findViewById(R.id.new_exam_save);
    save.setOnClickListener(onClick);
    id = extras.getLong("id");
    exam = new Exam(0, 0, null, null, null);
    examTable = new ExamTable(getApplicationContext());
    if(id == 0){
      newExamLoadView();
    }else{
      try {
        updateExamloadView();
      } catch (java.text.ParseException e) {
        e.printStackTrace();
      }
    }
  }

  private void newExamLoadView() {
    setSpinners();
  }

  @SuppressLint("SimpleDateFormat")
  private void updateExamloadView() throws java.text.ParseException {
    exam = examTable.GetExamById(id);
    DatePicker dp = (DatePicker) findViewById(R.id.new_exam_date);
    String[] date = exam.getDate().split("/");
    int day = Integer.parseInt(date[0].toString());
    int month = Integer.parseInt(date[1].toString());
    int year = Integer.parseInt(date[2].toString());
    dp.updateDate(year, month, day);
    TimePicker tp = (TimePicker) findViewById(R.id.new_exam_time);
    tp.setIs24HourView(true);
    SimpleDateFormat sdf = new SimpleDateFormat("hh:mm");
        Date time = null;
        try {
            time = sdf.parse(exam.getTime());
        } catch (ParseException e) {
        }
        Calendar c = Calendar.getInstance();
        c.setTime(time);
        tp.setCurrentHour(c.get(Calendar.HOUR_OF_DAY));
        tp.setCurrentMinute(c.get(Calendar.MINUTE));
        setSpinners();
  }

  /**
   * Set exam values
   */
  private void setExam() {
    DatePicker dp = (DatePicker) findViewById(R.id.new_exam_date);
    String date = dp.getDayOfMonth() + "/" + dp.getMonth() + "/" + dp.getYear();
    exam.setDate(date);
    TimePicker tp = (TimePicker) findViewById(R.id.new_exam_time);
    tp.clearFocus();
    String time;
    if (tp.getCurrentMinute().toString().length() < 2) {
      time = tp.getCurrentHour().toString() + ":0" + tp.getCurrentMinute().toString();
    } else {
      time = tp.getCurrentHour().toString() + ":" + tp.getCurrentMinute().toString();
    }
    exam.setTime(time);
    Spinner spinner = (Spinner) findViewById(R.id.new_exam_classroom);
    exam.setClassroom(spinner.getSelectedItem().toString());
    spinner = (Spinner) findViewById(R.id.new_exam_subject);
    SubjectTable st = new SubjectTable(getApplicationContext());
    exam.setSubject(st.GetIdByName(spinner.getSelectedItem().toString()));
    examTable.UpdateTableById(exam);
  }
  
  /**
   * Set exam's spinners
   */
  private void setSpinners() {
    Spinner spinner = (Spinner) findViewById(R.id.new_exam_degree);
    ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, 
        R.array.degree_array, android.R.layout.simple_spinner_item);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinner.setAdapter(adapter);
    
    spinner = (Spinner) findViewById(R.id.new_exam_classroom);
    adapter = ArrayAdapter.createFromResource(this, R.array.classroom_array, 
        android.R.layout.simple_spinner_item);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    spinner.setAdapter(adapter);
    
    List<String> subjectList = new ArrayList<String>();
    SubjectTable st = new SubjectTable(getApplicationContext());
    subjectList = st.GetNamesFromTable();
    SpinnerAdapter spiAdapter = new SpinnerAdapter(this, subjectList);
    spinner = (Spinner) findViewById(R.id.new_exam_subject);
    spinner.setAdapter(spiAdapter);
  }
  
  /**
     * This hook is called whenever an item in your options menu is selected.
     */
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) { 
      case android.R.id.home:
        finish();
        return true; 
      default: 
        return super.onOptionsItemSelected(item); 
    } 
  }

}

Java Source Code List

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