Android Open Source - ToDoList Item List Controller

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License

The source code is released under:

GNU General Public License

Java Source Code

package ca.ualberta.cs.todolist;
//from ww  w  .  j a  va2s  .c  o  m
import java.io.IOException;

public class ItemListController {
  private static ItemList itemList = null;
  private static ItemList archivedItemList = null;
  
  static public ItemList getItemList(){
    if (itemList == null) {
      try {
        itemList = ItemListManager.getManager().loadItemList();
        itemList.addListener(new Listener() {
          @Override
          public void update() {
            saveItemList();
          }
        });
      } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new RuntimeException("Could not deserialize ItemList from ItemListManager");
      } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException("Could not deserialize ItemList from ItemListManager");
      }
    }
    return itemList;
  }
  
  static public ItemList getArchivedItemList(){
    if (archivedItemList == null) {
      try {
        archivedItemList = ItemListManager.getManager().loadArchivedItemList();
        archivedItemList.addListener(new Listener() {
          @Override
          public void update() {
            saveArchievdItemList();
          }
        });
      } catch (ClassNotFoundException e) {
        e.printStackTrace();
        throw new RuntimeException("Could not deserialize ArchivedItemList from ItemListManager");
      } catch (IOException e) {
        e.printStackTrace();
        throw new RuntimeException("Could not deserialize ArchivedItemList from ItemListManager");
      }
    }
    return archivedItemList;
  }
  
  static public void saveItemList() {
    try {
      ItemListManager.getManager().saveItemList(getItemList());
    } catch (IOException e) {
      e.printStackTrace();
      throw new RuntimeException("Could not deserialize ItemList from ItemListManager");
    }  
  }
  
  static public void saveArchievdItemList() {
    try {
      ItemListManager.getManager().saveArchivedItemList(getArchivedItemList());
    } catch (IOException e) {
      e.printStackTrace();
      throw new RuntimeException("Could not deserialize ItemList from ItemListManager");
    }  
  }
  
  public void addItem(Item item) {
    getItemList().addItem(item);
  }

  public void removeItem(Item item) {
    getItemList().removeItem(item);
  }

  public void addArchivedItem(Item item) {
    getArchivedItemList().addArchivedItem(item);
  }

  public void removeArchivedItem(Item item) {
    getArchivedItemList().removeArchivedItem(item);
  }
  
  public void changeStatus(Item item) {
    getItemList().changeStatus(item);
  }
  
  public void changeArchivedStatus(Item item) {
    getArchivedItemList().changeStatus(item);
  }
  
  public void selectAll(Item item) {
    getItemList().selectAll(item);
  }

  public void selectNone(Item item) {
    getItemList().selectNone(item);
  }

  public void selectInverse(Item item) {
    getItemList().selectInverse(item);
  }

  public int getTotalArchivedNum() {
    return getArchivedItemList().getTotalArchivedNum();
  }

  public void selectAll_archived(Item item) {
    getArchivedItemList().selectAll(item);
  }
  
  public void selectNone_archived(Item item) {
    getArchivedItemList().selectNone(item);
  }

  public void selectInverse_archived(Item item) {
    getArchivedItemList().selectInverse(item);
  }
}

Java Source Code List

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