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LookupValueCollection.cs：源码内容
							// -- FILE ------------------------------------------------------------------
// name       : LookupValueCollection.cs
// project    : Itenso Web User Forms
// created    : Jani Giannoudis - 2008.10.30
// language   : c#
// environment: .NET 2.0
// copyright  : (c) 2008 by Itenso GmbH, Switzerland
// --------------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
namespace Itenso.WebUserForms.Data.Lookup
{
	// ------------------------------------------------------------------------
	public sealed class LookupValueCollection : ILookupValueCollection
	{
		// ----------------------------------------------------------------------
		/// <summary>
		/// Creates a new empty instance.
		/// </summary>
		public LookupValueCollection( string name )
		{
			if ( string.IsNullOrEmpty( name ) )
			{
				throw new ArgumentException( "name" );
			}
			this.name = name;
		} // LookupValueCollection
		// ----------------------------------------------------------------------
		/// <summary>
		/// Creates a new instance with all the values of the given collection.
		/// </summary>
		/// <param name="values">the values to add. may not be null.</param>
		public LookupValueCollection( string name, IEnumerable<ILookupValue> values )
			: this( name )
		{
			AddAll( values );
		} // LookupValueCollection
		// ----------------------------------------------------------------------
		public string Name
		{
			get { return this.name; }
		} // Name
		// ----------------------------------------------------------------------
		public int Count
		{
			get { return this.values.Count; }
		} // Count
		// ----------------------------------------------------------------------
		public ILookupValue this[ int index ]
		{
			get { return this.values[ index ]; }
		} // this[int]
		// ----------------------------------------------------------------------
		public ILookupValue this[ string key ]
		{
			get 
			{
				if ( string.IsNullOrEmpty( key ) )
				{
					throw new ArgumentNullException( "key" );
				}
				foreach ( ILookupValue value in this )
				{
					if ( key.Equals( value.Key ) )
					{
						return value;
					}
				}
				return null;
			}
		} // this[string]
		// ----------------------------------------------------------------------
		IEnumerator IEnumerable.GetEnumerator()
		{
			return values.GetEnumerator();
		} // IEnumerable.GetEnumerator
		// ----------------------------------------------------------------------
		public IEnumerator<ILookupValue> GetEnumerator()
		{
			return this.values.GetEnumerator();
		} // GetEnumerator
		// ----------------------------------------------------------------------
		public int IndexOf( ILookupValue value )
		{
			return this.values.IndexOf( value );
		} // IndexOf
		// ----------------------------------------------------------------------
		public int Add( ILookupValue value )
		{
			if ( value == null )
			{
				throw new ArgumentNullException( "value" );
			}
			int insertPos = values.Count;
			this.values.Add( value );
			return insertPos;
		} // Add
		// ----------------------------------------------------------------------
		public void Add( ILookupValue value, int pos )
		{
			if ( value == null )
			{
				throw new ArgumentNullException( "value" );
			}
			this.values.Insert( pos, value );
		} // Add
		// ----------------------------------------------------------------------
		public void AddAll( IEnumerable<ILookupValue> values )
		{
			if ( values == null )
			{
				throw new ArgumentNullException( "values" );
			}
			foreach ( ILookupValue value in this.values )
			{
				Add( value );
			}
		} // AddAll
		// ----------------------------------------------------------------------
		public void Remove( ILookupValue value )
		{
			this.values.Remove( value );
		} // Remove
		// ----------------------------------------------------------------------
		public void RemoveAt( int index )
		{
			this.values.RemoveAt( index );
		} // RemoveAt
		// ----------------------------------------------------------------------
		public void Clear()
		{
			this.values.Clear();
		} // Clear
		// ----------------------------------------------------------------------
		public ILookupValue[] ToArray()
		{
			ILookupValue[] entries = new ILookupValue[ Count ];
			if ( entries.Length > 0 )
			{
				CopyTo( entries, 0 );
			}
			return entries;
		} // ToArray
		// ----------------------------------------------------------------------
		public void CopyTo( ILookupValue[] array, int index )
		{
			this.values.CopyTo( array, index );
		} // CopyTo
		// ----------------------------------------------------------------------
		public override bool Equals( object obj )
		{
			return CollectionTool.AreEqual( this, obj );
		} // Equals
		// ----------------------------------------------------------------------
		public override int GetHashCode()
		{
			return CollectionTool.ComputeHashCode( this );
		} // GetHashCode
		// ----------------------------------------------------------------------
		public override string ToString()
		{
			return CollectionTool.ToString( this );
		} // ToString
		// ----------------------------------------------------------------------
		// members
		private readonly List<ILookupValue> values = new List<ILookupValue>();
		private readonly string name;
	} // class LookupValueCollection
} // namespace Itenso.WebUserForms.Data.Lookup
// -- EOF -------------------------------------------------------------------

						