Android Open Source - android-todo-list Todo List

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License

The source code is released under:

MIT License

Java Source Code

/* The MIT License (MIT)
 * /*from   w  w  w.  j ava 2  s.  c  o m*/
 * Copyright (c) 2014 Stephen Just
 * 
 * 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 ca.stephenjust.todolist.data;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

import android.util.SparseBooleanArray;


/**
 * List of To-Do Items
 * @author Stephen Just
 *
 * This list represents any list of to-do items.
 */
public class TodoList extends ArrayList<TodoItem> implements Serializable {

  private static final long serialVersionUID = 1678410371420859707L;

  public TodoList() {
    super();
  }

  public TodoList(int capacity) {
    super(capacity);
  }

  public TodoList(Collection<? extends TodoItem> collection) {
    super(collection);
  }

  /**
   * Get number of checked items
   * @return Number of checked items
   */
  public Long numChecked() {
    Long count = 0L;
    Iterator<TodoItem> itr = iterator();
    while(itr.hasNext()) {
      TodoItem item = itr.next();
      if (item.getCompleted()) {
        count++;
      }
    }
    return count;
  }
  
  /**
   * Get number of unchecked items
   * @return Number of unchecked items
   */
  public Long numUnchecked() {
    return size() - numChecked();
  }

  /**
   * Delete list items with values of 'true'
   * @param items
   */
  public void deleteItems(SparseBooleanArray items) {
    for (int i = size() - 1; i >= 0; i--) {
      if (items.get(i) == true) {
        this.remove(i);
      }
    }
  }

  /**
   * Move list items to a different list.
   * @param items
   * @param targetList
   */
  public void moveItems(SparseBooleanArray items, TodoList targetList) {
    for (int i = 0; i < size(); i++) {
      if (items.get(i) == true) {
        targetList.add(get(i));
      }
    }
    deleteItems(items);
  }

  /**
   * Get sub-list of items specified by SparseBooleanArray.
   * @param items
   * @return
   */
  public TodoList getSubList(SparseBooleanArray items) {
    TodoList list = new TodoList();
    for (int i = 0; i < size(); i++) {
      if (items.get(i) == true) {
        list.add(this.get(i));
      }
    }
    return list;
  }

  @Override
  public String toString() {
    String s = "";
    for (TodoItem item: this) {
      s += item.toString() + "\n";
    }
    return s;
  }

}

Java Source Code List

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