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The source code is released under:
MIT License
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/* The MIT License (MIT)//ww w .j av a2s. c o m Copyright (c) 2014 Gannon Lawlor Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package com.gannon.gradulator; import android.app.Activity; import android.app.DialogFragment; import android.app.Fragment; import android.content.Intent; import android.graphics.Typeface; import android.os.Bundle; import android.view.ContextMenu; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ListView; import android.widget.TextView; import com.gannon.gradulator.adapters.EvaluationAdapter; import com.gannon.gradulator.database.CourseDataSource; import com.gannon.gradulator.database.EvaluationDataSource; import com.gannon.gradulator.dialogfragments.DeleteEvaluationDialogFragment; import com.gannon.gradulator.models.Course; import com.gannon.gradulator.models.Evaluation; import java.sql.SQLException; import java.util.List; public class CourseActivity extends Activity { public Course course; private List<Evaluation> values; public EvaluationDataSource evaluationDataSource; public CourseDataSource courseDataSource; public EvaluationAdapter adapter; private Evaluation evaluation; public int listNumber; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_course); TextView tCourseGrade = (TextView) findViewById(R.id.text_course_grade); TextView tCourseComplete = (TextView) findViewById(R.id.text_course_complete); tCourseGrade.setTypeface(null, Typeface.BOLD); tCourseComplete.setTypeface(null, Typeface.BOLD); evaluationDataSource = new EvaluationDataSource(this); courseDataSource = new CourseDataSource(this); getActionBar().setDisplayHomeAsUpEnabled(true); course = (Course) getIntent().getSerializableExtra("Course"); // Set the title in action bar to course name getActionBar().setTitle(course.getName()); ListView myListView = (ListView) findViewById(R.id.evaluation_list); try { evaluationDataSource.open(); } catch (SQLException e) { e.printStackTrace(); } // Get all evalueations values = evaluationDataSource.getAllEvaluationsByCourse(course.getId()); calculateGrade(); adapter = new EvaluationAdapter(this, values); myListView.setAdapter(adapter); adapter.notifyDataSetChanged(); registerForContextMenu(myListView); if (savedInstanceState == null) { getFragmentManager().beginTransaction() .add(R.id.container, new PlaceholderFragment()) .commit(); } } public void deleteEvaluation(){ DialogFragment newFragment = new DeleteEvaluationDialogFragment(); newFragment.show(getFragmentManager(), "deletecourse"); } @Override public void onCreateContextMenu(ContextMenu menu, View view, ContextMenu.ContextMenuInfo menuInfo) { super.onCreateContextMenu(menu, view, menuInfo); MenuInflater inflater = getMenuInflater(); menu.setHeaderTitle("Select an action"); inflater.inflate(R.menu.course_menu, menu); } @Override public boolean onContextItemSelected(MenuItem item) { AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo(); switch (item.getItemId()) { case R.id.button_delete: listNumber = ((AdapterView.AdapterContextMenuInfo) item.getMenuInfo()).position; deleteEvaluation(); return true; case R.id.button_edit: listNumber = ((AdapterView.AdapterContextMenuInfo) item.getMenuInfo()).position; editEvaluation(listNumber); return true; case R.id.button_share: Evaluation shareEvaluation = adapter.getItem(listNumber); Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND); sharingIntent.setType("text/plain"); String shareBody = "I got a " + shareEvaluation.getGrade() + "% on " + shareEvaluation.getName() + " in " + course.getName() + "! You can keep track of your grades too with #Gradeulator"; sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, "Look at Me!"); sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, shareBody); startActivity(Intent.createChooser(sharingIntent, "Share via")); return true; default: return super.onContextItemSelected(item); } } public void editEvaluation(int pos) { evaluation = adapter.getItem(pos); sendData(); } public void addEvaluation() { sendData(); } public void sendData() { Intent intent = new Intent(CourseActivity.this, EvaluationActivity.class); Bundle extras = new Bundle(); extras.putSerializable("Course", course); extras.putSerializable("Evaluation", evaluation); intent.putExtras(extras); startActivity(intent); } public void calculateGrade() { // Hold the total value complete double totalComplete = 0.0; // Hold the grade the user has eg. userGrade = (evaluationGrade/100)*evaluationValue double userGrade = 0.0; for(int i = 0; i < values.size(); i++) { userGrade = userGrade + (values.get(i).getGrade()/100.0)*values.get(i).getValue(); totalComplete = totalComplete + values.get(i).getValue(); } // Calculate courseGrade userGrade/totalComplete double courseGrade = (userGrade/totalComplete)*100; course.setGrade(courseGrade); course.setComplete(totalComplete); courseDataSource.updateCourse(course); // update the text for course grade and complete TextView tCourseGrade = (TextView) findViewById(R.id.text_course_grade); tCourseGrade.setText("Course Grade: " + course.roundGrade() + "%"); TextView tCourseComplete = (TextView) findViewById(R.id.text_course_complete); tCourseComplete.setText("Course Complete: " + course.getComplete() + "%"); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.course, menu); return true; } @Override public void onBackPressed() { Intent intent = new Intent(CourseActivity.this, MainActivity.class); startActivity(intent); finish(); return; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); if (id == R.id.action_addEvaluation) { addEvaluation(); adapter.notifyDataSetChanged(); return true; } return super.onOptionsItemSelected(item); } /** * A placeholder fragment containing a simple view. */ public static class PlaceholderFragment extends Fragment { public PlaceholderFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_course, container, false); return rootView; } } }