//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//------------------------------------------------------------------------------
 
namespace System.Web.Services.Configuration
{
    using System;
    using System.Collections;
    using System.Configuration;
    using System.Diagnostics;
    using System.Globalization;
    using System.Security.Permissions;
 
    [ConfigurationCollection(typeof(TypeElement))]
    public sealed class TypeElementCollection : ConfigurationElementCollection
    {
        public void Add(TypeElement element)
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }
 
            BaseAdd(element);
        }
 
        public void Clear()
        {
            BaseClear();
        }
 
        public bool ContainsKey(object key)
        {
            if (key == null)
            {
                throw new ArgumentNullException("key");
            }
            return this.BaseGet(key) != null;
        }
 
        protected override ConfigurationElement CreateNewElement()
        {
            return new TypeElement();
        }
 
        public void CopyTo(TypeElement[] array, int index)
        {
            if (array == null)
            {
                throw new ArgumentNullException("array");
            }
 
            ((ICollection)this).CopyTo(array, index);
        }
 
        protected override Object GetElementKey(ConfigurationElement element) 
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }
 
            TypeElement configElementKey = (TypeElement)element;
            return configElementKey.Type;
        }
 
        public int IndexOf(TypeElement element)
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }
 
            return BaseIndexOf(element);
        }
         
        public void Remove(TypeElement element) 
        {
            if (element == null)
            {
                throw new ArgumentNullException("element");
            }
 
            BaseRemove(GetElementKey(element));
        }
 
        public void RemoveAt(object key) 
        {
            if (key == null)
            {
                throw new ArgumentNullException("key");
            }
 
            BaseRemove(key);
        }
 
        public void RemoveAt(int index)
        {
            BaseRemoveAt(index);
        }
 
        public TypeElement this[object key]
        {
            get
            {
                if (key == null)
                {
                    throw new ArgumentNullException("key");
                }
                TypeElement retval = (TypeElement)this.BaseGet(key);
                if (retval == null)
                {
                    throw new System.Collections.Generic.KeyNotFoundException(
                        string.Format(CultureInfo.InvariantCulture, 
                        Res.GetString(Res.ConfigKeyNotFoundInElementCollection),
                        key.ToString()));
                }
                return retval;
            }
            set
            {
                if (value == null)
                {
                    throw new ArgumentNullException("value");
                }
                if (key == null)
                {
                    throw new ArgumentNullException("key");
                }
                // NOTE [ivelin : integration fix] The change bellow have the issue that it wont use the collection comparer
                // if one is specified. We ( System.Configuration ) usually avoid having set_item[ key ] when the element contains
                // the key and instead provide an Add( element ) method only.
                if (this.GetElementKey(value).Equals(key))
                {
                    if (BaseGet(key) != null)
                    {
                        BaseRemove(key);
                    }
                    Add(value);
                }
                else
                {
                    throw new ArgumentException(string.Format(CultureInfo.InvariantCulture,
                        Res.GetString(Res.ConfigKeysDoNotMatch), this.GetElementKey(value).ToString(),
                        key.ToString()));
                }
            }
        }
 
        public TypeElement this[int index]
        {
            get
            {
                return (TypeElement)BaseGet(index);
            }
            set
            {
                if (BaseGet(index) != null)
                {
                    BaseRemoveAt(index);
                }
                BaseAdd(index, value);
            }
        }
    }
}