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

namespace System.Web.Compilation {

    using System;
    using System.CodeDom;
    using System.Globalization;
    using System.Web.UI;

    internal class MasterPageCodeDomTreeGenerator : TemplateControlCodeDomTreeGenerator {

        private const string _masterPropertyName = "Master";
        protected MasterPageParser _masterPageParser;
        MasterPageParser Parser { get { return _masterPageParser; } }

        internal MasterPageCodeDomTreeGenerator(MasterPageParser parser) : base(parser) {
            _masterPageParser = parser;
        }

        protected override void BuildDefaultConstructor() {
            base.BuildDefaultConstructor();

            foreach(string placeHolderID in Parser.PlaceHolderList) {
                BuildAddContentPlaceHolderNames(_ctor, placeHolderID);
            }
        }

        private void BuildAddContentPlaceHolderNames(CodeMemberMethod method, string placeHolderID) {
            CodePropertyReferenceExpression propertyExpr = new CodePropertyReferenceExpression(new CodeThisReferenceExpression(), "ContentPlaceHolders");
            CodeExpressionStatement stmt = new CodeExpressionStatement();
            stmt.Expression = new CodeMethodInvokeExpression(propertyExpr, "Add", new CodePrimitiveExpression(placeHolderID.ToLower(CultureInfo.InvariantCulture)));

            method.Statements.Add(stmt);
        }

        protected override void BuildMiscClassMembers() {
            base.BuildMiscClassMembers();

            if (Parser.MasterPageType != null)
                BuildStronglyTypedProperty(_masterPropertyName, Parser.MasterPageType);
        }
    }
}