Android Open Source - mobile2-android Course Gradebook Activity

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License

The source code is released under:

Apache License

Java Source Code

package com.ecollege.android;
//  ww  w. j av a 2 s . c om
import roboguice.inject.InjectExtra;
import roboguice.inject.InjectResource;
import roboguice.inject.InjectView;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;
import android.widget.TextView;

import com.ecollege.android.activities.ECollegeListActivity;
import com.ecollege.android.adapter.UberAdapter;
import com.ecollege.android.adapter.UberItem;
import com.ecollege.api.model.Course;
import com.ecollege.api.model.Grade;
import com.ecollege.api.model.GradebookItem;
import com.ecollege.api.model.UserGradebookItem;
import com.ecollege.api.services.courses.FetchUserGradebookItemsForCourseId;
import com.google.inject.Inject;
import com.ocpsoft.pretty.time.PrettyTime;

public class CourseGradebookActivity extends ECollegeListActivity {
  
  @Inject ECollegeApplication app;
  @Inject SharedPreferences prefs;
  @InjectView(R.id.title_text) TextView titleText;
  @InjectView(R.id.course_title_text) TextView courseTitleText;
  @InjectResource(R.string.gradebook) String gradebookTitleResource;
  @InjectResource(R.string.no_grade) String noGradeResource;
  @InjectExtra(CoursesActivity.COURSE_EXTRA) Course course;
  private LayoutInflater viewInflater;
  private UserGradebookItemAdapter gradebookAdapter;
  
  private static final PrettyTime prettyTimeFormatter = new PrettyTime();
  
  @Override public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.course_menu_item_detail_view);
    
    viewInflater = getLayoutInflater();
    titleText.setText(gradebookTitleResource);
    displayCourse();
    loadAndDisplayUserGradebookItems();
  }

  private void displayCourse() {
    courseTitleText.setText(Html.fromHtml(course.getTitle()));
  }
  
  private void loadAndDisplayUserGradebookItems() {
    if (gradebookAdapter == null) {
      gradebookAdapter = new UserGradebookItemAdapter(this);
      gradebookAdapter.beginLoading();
      buildService(new FetchUserGradebookItemsForCourseId(course.getId(), true)).execute();
    }
    setListAdapter(gradebookAdapter);
  }

    public void onServiceCallSuccess(FetchUserGradebookItemsForCourseId service) {
      gradebookAdapter.updateItems(service.getResult());
    }
    public void onServiceCallException(FetchUserGradebookItemsForCourseId service, Exception ex) {
      gradebookAdapter.hasError();
    }
    
  @Override protected void onListItemClick(ListView l, View v, int position, long id) {
    @SuppressWarnings("unchecked")
    UberItem<UserGradebookItem> item = (UberItem<UserGradebookItem>)l.getItemAtPosition(position);
    
    if (item.getDataItem().getGrade() != null) {
      GradebookItem gradebookItem = item.getDataItem().getGradebookItem();
        Intent i = new Intent(this,GradeActivity.class);
        i.putExtra("courseId", course.getId());
        i.putExtra("gradebookItemGuid", gradebookItem.getId());
        i.putExtra(GradeActivity.FINISH_ON_CLICK_ALL_GRADES_EXTRA, true);
        startActivity(i);
    }
  }

  protected class UserGradebookItemHolder {
    public TextView titleText;
    public TextView gradeText;
    public TextView dateText;
  }
  
  protected class UserGradebookItemAdapter extends UberAdapter<UserGradebookItem> {
    
    public UserGradebookItemAdapter (Context context) {
      super(context,false,false,false);
    }
    
    @Override
    protected View getDataItemView(View convertView, ViewGroup parent,
        UberItem<UserGradebookItem> item) {
      UserGradebookItemHolder holder;
      if (convertView == null) {
        holder = new UserGradebookItemHolder();
        convertView = viewInflater.inflate(R.layout.gradebook_item, null);
        holder.titleText = (TextView) convertView.findViewById(R.id.item_title);
        holder.dateText = (TextView) convertView.findViewById(R.id.date_text);
        holder.gradeText = (TextView) convertView.findViewById(R.id.grade_text);
        convertView.setTag(holder);
      } else {
        holder = (UserGradebookItemHolder) convertView.getTag();
      }
      UserGradebookItem ugbi = item.getDataItem();
      GradebookItem gradebookItem = ugbi.getGradebookItem();
      Grade grade = ugbi.getGrade();
      holder.titleText.setText(gradebookItem.getTitle());
      if (null == grade) {
        holder.dateText.setText(noGradeResource);
        holder.gradeText.setText(null);
      } else {
        holder.dateText.setText(prettyTimeFormatter.format(grade.getUpdatedDate().getTime()));
        holder.gradeText.setText(ugbi.getDisplayedGrade());
      }
      return convertView;
    }
  }
}

Java Source Code List

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