using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace SokoSolve.Common.Structures{
public enum Notification
{
Add,
Remove,
Set,
Clear
}
public delegate bool ManagedCollectionNotification<T>(T item, int itemIndex, Notification notification);
public class ManagedCollection<T> : IList<T>
{
protected List<T> inner;
private ManagedCollectionNotification<T> notification;
public ManagedCollection(ManagedCollectionNotification<T> notification)
{
this.notification = notification;
this.inner = new List<T>();
}
#region IList<T> Members
///<summary>
///Determines the index of a specific item in the <see cref="T:System.Collections.Generic.IList`1"></see>.
///</summary>
///
///<returns>
///The index of item if found in the list; otherwise, -1.
///</returns>
///
///<param name="item">The object to locate in the <see cref="T:System.Collections.Generic.IList`1"></see>.</param>
public int IndexOf(T item)
{
return inner.IndexOf(item);
}
///<summary>
///Inserts an item to the <see cref="T:System.Collections.Generic.IList`1"></see> at the specified index.
///</summary>
///
///<param name="item">The object to insert into the <see cref="T:System.Collections.Generic.IList`1"></see>.</param>
///<param name="index">The zero-based index at which item should be inserted.</param>
///<exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.IList`1"></see> is read-only.</exception>
///<exception cref="T:System.ArgumentOutOfRangeException">index is not a valid index in the <see cref="T:System.Collections.Generic.IList`1"></see>.</exception>
public virtual void Insert(int index, T item)
{
if (notification(item, index, Notification.Add))
{
inner.Insert(index, item);
}
}
///<summary>
///Removes the <see cref="T:System.Collections.Generic.IList`1"></see> item at the specified index.
///</summary>
///
///<param name="index">The zero-based index of the item to remove.</param>
///<exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.IList`1"></see> is read-only.</exception>
///<exception cref="T:System.ArgumentOutOfRangeException">index is not a valid index in the <see cref="T:System.Collections.Generic.IList`1"></see>.</exception>
public virtual void RemoveAt(int index)
{
if (notification(default(T), index, Notification.Remove))
{
inner.RemoveAt(index);
}
}
///<summary>
///Gets or sets the element at the specified index.
///</summary>
///
///<returns>
///The element at the specified index.
///</returns>
///
///<param name="index">The zero-based index of the element to get or set.</param>
///<exception cref="T:System.ArgumentOutOfRangeException">index is not a valid index in the <see cref="T:System.Collections.Generic.IList`1"></see>.</exception>
///<exception cref="T:System.NotSupportedException">The property is set and the <see cref="T:System.Collections.Generic.IList`1"></see> is read-only.</exception>
public T this[int index]
{
get { return inner[index]; }
set
{
if (notification(value, index, Notification.Set))
{
inner[index] = value;
}
}
}
///<summary>
///Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</summary>
///
///<param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1"></see>.</param>
///<exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"></see> is read-only.</exception>
public virtual void Add(T item)
{
if (notification(item, -1, Notification.Add))
{
inner.Add(item);
}
}
///<summary>
///Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</summary>
///
///<exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"></see> is read-only. </exception>
public virtual void Clear()
{
if (notification(default(T), -1, Notification.Clear))
{
inner.Clear();
}
}
///<summary>
///Determines whether the <see cref="T:System.Collections.Generic.ICollection`1"></see> contains a specific value.
///</summary>
///
///<returns>
///true if item is found in the <see cref="T:System.Collections.Generic.ICollection`1"></see>; otherwise, false.
///</returns>
///
///<param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1"></see>.</param>
public bool Contains(T item)
{
return inner.Contains(item);
}
///<summary>
///Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1"></see> to an <see cref="T:System.Array"></see>, starting at a particular <see cref="T:System.Array"></see> index.
///</summary>
///
///<param name="array">The one-dimensional <see cref="T:System.Array"></see> that is the destination of the elements copied from <see cref="T:System.Collections.Generic.ICollection`1"></see>. The <see cref="T:System.Array"></see> must have zero-based indexing.</param>
///<param name="arrayIndex">The zero-based index in array at which copying begins.</param>
///<exception cref="T:System.ArgumentOutOfRangeException">arrayIndex is less than 0.</exception>
///<exception cref="T:System.ArgumentNullException">array is null.</exception>
///<exception cref="T:System.ArgumentException">array is multidimensional.-or-arrayIndex is equal to or greater than the length of array.-or-The number of elements in the source <see cref="T:System.Collections.Generic.ICollection`1"></see> is greater than the available space from arrayIndex to the end of the destination array.-or-Type T cannot be cast automatically to the type of the destination array.</exception>
public virtual void CopyTo(T[] array, int arrayIndex)
{
inner.CopyTo(array, arrayIndex);
}
///<summary>
///Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</summary>
///
///<returns>
///true if item was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1"></see>; otherwise, false. This method also returns false if item is not found in the original <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</returns>
///
///<param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1"></see>.</param>
///<exception cref="T:System.NotSupportedException">The <see cref="T:System.Collections.Generic.ICollection`1"></see> is read-only.</exception>
public virtual bool Remove(T item)
{
if (notification(item, -1, Notification.Remove))
{
return inner.Remove(item);
}
return false;
}
///<summary>
///Gets the number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</summary>
///
///<returns>
///The number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1"></see>.
///</returns>
///
public int Count
{
get { return inner.Count; }
}
///<summary>
///Gets a value indicating whether the <see cref="T:System.Collections.Generic.ICollection`1"></see> is read-only.
///</summary>
///
///<returns>
///true if the <see cref="T:System.Collections.Generic.ICollection`1"></see> is read-only; otherwise, false.
///</returns>
///
public bool IsReadOnly
{
get { return false; }
}
///<summary>
///Returns an enumerator that iterates through the collection.
///</summary>
///
///<returns>
///A <see cref="T:System.Collections.Generic.IEnumerator`1"></see> that can be used to iterate through the collection.
///</returns>
///<filterpriority>1</filterpriority>
IEnumerator<T> IEnumerable<T>.GetEnumerator()
{
return inner.GetEnumerator();
}
///<summary>
///Returns an enumerator that iterates through a collection.
///</summary>
///
///<returns>
///An <see cref="T:System.Collections.IEnumerator"></see> object that can be used to iterate through the collection.
///</returns>
///<filterpriority>2</filterpriority>
public virtual IEnumerator GetEnumerator()
{
return inner.GetEnumerator();
}
#endregion
public override string ToString()
{
return string.Format("{0}={1}{2}", typeof (T).Name, Count, IsReadOnly ? " RO" : "");
}
}
}
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