//------------------------------------------------------------------------------
// <copyright file="CodeSubDirectoriesCollection.cs" company="Microsoft">
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// </copyright>
//------------------------------------------------------------------------------

namespace System.Web.Configuration {
    using System;
    using System.Xml;
    using System.Configuration;
    using System.Collections.Specialized;
    using System.Collections;
    using System.Globalization;
    using System.IO;
    using System.Text;
    using System.Web.Compilation;
    using System.Reflection;
    using System.Web.Hosting;
    using System.Web.UI;
    using System.CodeDom.Compiler;
    using System.Web.Util;
    using System.ComponentModel;
    using System.Security.Permissions;

    [ConfigurationCollection(typeof(CodeSubDirectory), 
     CollectionType = ConfigurationElementCollectionType.BasicMap)]
    public sealed class CodeSubDirectoriesCollection : ConfigurationElementCollection {
        private static ConfigurationPropertyCollection _properties;
        private bool _didRuntimeValidation;

        static CodeSubDirectoriesCollection() {
            // Property initialization
            _properties = new ConfigurationPropertyCollection();
        }
        public CodeSubDirectoriesCollection()
            : base(StringComparer.OrdinalIgnoreCase) {
        }

        protected override ConfigurationPropertyCollection Properties {
            get {
                return _properties;
            }
        }

        public CodeSubDirectory this[int index] {
            get {
                return (CodeSubDirectory)BaseGet(index);
            }
            set {
                if (BaseGet(index) != null) {
                    BaseRemoveAt(index);
                }
                BaseAdd(index, value);
            }
        }

        public void Add(CodeSubDirectory codeSubDirectory) {
            BaseAdd(codeSubDirectory);
        }

        public void Clear() {
            BaseClear();
        }

        public void Remove(string directoryName) {
            BaseRemove(directoryName);
        }

        public void RemoveAt(int index) {
            BaseRemoveAt(index);
        }


        public override ConfigurationElementCollectionType CollectionType {
            get {
                return ConfigurationElementCollectionType.BasicMap;
            }
        }

        protected override ConfigurationElement CreateNewElement() {
            return new CodeSubDirectory();
        }

        protected override string ElementName {
            get {
                return "add";
            }
        }

        protected override Object GetElementKey(ConfigurationElement element) {
            return ((CodeSubDirectory)element).DirectoryName;
        }

        // Validate the element for runtime use
        internal void EnsureRuntimeValidation() {
            if (_didRuntimeValidation) {
                return;
            }

            foreach (CodeSubDirectory subDir in this) {
                subDir.DoRuntimeValidation();
            }

            _didRuntimeValidation = true;
        }
    }
}