Android Open Source - CMPUT-301-Assignment1 Main Activity

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Back to project page CMPUT-301-Assignment1.

License

The source code is released under:

GNU General Public License

Java Source Code

package ca.ualberta.cs.jkeeling.a1todolist;
import java.util.ArrayList;
import java.util.List;
import ca.ualberta.cs.jkeeling.a1todolist.adapters.ItemAdapter;
import ca.ualberta.cs.jkeeling.a1todolist.data.FileDataManager;
import ca.ualberta.cs.jkeeling.a1todolist.models.CustomTextView;
import ca.ualberta.cs.jkeeling.a1todolist.models.TDItem;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.PopupMenu;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.Toast;
/*  w  w  w .  j  av  a 2  s . com*/
// Class to handle the Main view. This class handles all of the functionality required on the main to do list page.
// Such as adding, removing, emailing or archiving items. 
// Can also navigate to the archive or summary activities
public class MainActivity extends Activity {
  private List<TDItem> activeItemsList = new ArrayList<TDItem>();
  private List<TDItem> allItemsList = new ArrayList<TDItem>();
  private EditText textBox; 
  private ItemAdapter adapter; 
  private Button optionsBtn;
  private FileDataManager fdm;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    textBox = (EditText) findViewById(R.id.AddTextBox);
    optionsBtn = (Button) findViewById(R.id.OptionsButton);
    fdm = new FileDataManager(this.getApplicationContext());    
    generateTDList();
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.main, menu);
    return true;
  }

  @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_settings) {
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  private void generateTDList(){
    //Get Items    
    allItemsList = fdm.loadItems();    
    for (TDItem item : allItemsList){
      if (item.getArchiveState() == false){
        activeItemsList.add(item);
      }
    }
    //Set adapter
    adapter = new ItemAdapter(this, R.layout.item_row, activeItemsList);    
    ListView listView = (ListView) findViewById(R.id.TDList);
    listView.setAdapter(adapter);        
  }  
    
  public void add(View v){
    String text = textBox.getText().toString();
    TDItem item = new TDItem(text);
    activeItemsList.add(item);
    allItemsList.add(item);
    fdm.saveItems(allItemsList);
    adapter.notifyDataSetChanged();
    textBox.setText("New Item Here");    
  }
  
  public void delete(View v){
    TDItem target = getTargetItem(v);
    activeItemsList.remove(target);
    allItemsList.remove(target);
    fdm.saveItems(allItemsList);
    adapter.notifyDataSetChanged();
  }
  
  public void check(View v){
    TDItem target = getTargetItem(v);
    CheckBox checkbox = (CheckBox)v;
    checkbox.setChecked(target.toggleChecked());
    fdm.saveItems(allItemsList);
  }
  
  public void select(View v){
    TDItem target = getTargetItem(v);
    if (target.toggleSelected() == true){
      ((View)v.getParent()).setBackgroundColor(Color.rgb(255, 153, 0));
    }
    else {
      ((View)v.getParent()).setBackgroundColor(Color.WHITE);
    }
    fdm.saveItems(allItemsList);
  }
  
  public void optionsMenu(View v){
    PopupMenu popup = new PopupMenu(this, optionsBtn);
    popup.getMenuInflater().inflate(R.menu.main_options_popup, popup.getMenu());
    popup.show();
  }
  
  public void toSummary(MenuItem i){
    Intent intent = new Intent(this, SummaryActivity.class);    
    startActivity(intent);
  }
  
  public void toArchive(MenuItem i){    
    Intent intent = new Intent(this, ArchiveActivity.class);    
    startActivity(intent);
  }  
  
  public void archiveAll(MenuItem i){
    for (TDItem item : activeItemsList){
      item.setSelected(true);
    }
    archiveSelected(i);
  }
  
  public void archiveSelected(MenuItem i){
    List<TDItem> itemList = getSelected();
    for (TDItem item : itemList){
      item.archive();
      item.setSelected(false);
      activeItemsList.remove(item);
    }
    fdm.saveItems(allItemsList);
    adapter.notifyDataSetChanged();
  }  
    
  public void emailAll(MenuItem i){
    for (TDItem item : allItemsList){
      item.setSelected(true);
    }
    emailSelected(i);
  }
  
  public void emailSelected(MenuItem i){  
    String bodyText = "To do List\n\n";
    bodyText = bodyText + "Active Items:\n";
    for (TDItem item : activeItemsList){
      if(item.getSelected()){
        if(item.getChecked()){
          bodyText = bodyText + "[x]";
        }
        else{
          bodyText = bodyText + "[ ]";
        }
        bodyText = bodyText + item.getName() + "\n";          
      }
    }
    bodyText = bodyText + "\nArchived Items:\n";
    for (TDItem item : allItemsList){
      if(item.getArchiveState()){
        if(item.getSelected()){
          if(item.getChecked()){
            bodyText = bodyText + "[x]";
          }
          else{
            bodyText = bodyText + "[ ]";
          }
          bodyText = bodyText + item.getName() + "/n";
        }
          
      }
      item.setSelected(false);
    }
    
    sendEmail(bodyText);
  }
  
  private void sendEmail(String bodyText){
    Intent intent = new Intent(Intent.ACTION_SEND);
    intent.setType("message/rfc822");
    intent.putExtra(Intent.EXTRA_SUBJECT, "To Do List");
    intent.putExtra(Intent.EXTRA_TEXT, bodyText);
    try {
        startActivity(Intent.createChooser(intent, "Send mail..."));
    } catch (android.content.ActivityNotFoundException ex) {
        Toast.makeText(this, "There are no email clients installed.", Toast.LENGTH_SHORT).show();
    }
  }
  
  private List<TDItem> getSelected(){
    List<TDItem> selectedItemsList = new ArrayList<TDItem>();
    for (TDItem item : activeItemsList){
      if (item.getSelected() == true){
        selectedItemsList.add(item);
      }
    }
    return selectedItemsList;
  }
  
  private TDItem getTargetItem(View v){
    View parent = (View)v.getParent();      
    CustomTextView text = (CustomTextView) parent.findViewById(R.id.textView);
    String uId = (String) text.getUId();
    TDItem target = null;    
    for (TDItem item : activeItemsList){
      if (item.getId().equals(uId)){
        target = item;
      }
    }
    return target;
  }
  
  public void removeHolder(View v){
    textBox.setText("");
  }
}

Java Source Code List

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