SimplePropertyEntry.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / SimplePropertyEntry.cs / 1305376 / SimplePropertyEntry.cs

                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI { 
 
    using System.CodeDom;
    using System.Web.Compilation; 
    using Debug=System.Web.Util.Debug;

    /// 
    /// PropertyEntry for simple attributes 
    /// 
    public class SimplePropertyEntry : PropertyEntry { 
        private string _persistedValue; 
        private bool _useSetAttribute;
        private object _value; 

        internal SimplePropertyEntry() {
        }
 

        ///  
        ///  
        //
        public string PersistedValue { 
            get {
                return _persistedValue;
            }
            set { 
                _persistedValue = value;
            } 
        } 

 
        /// 
        /// 
        public bool UseSetAttribute {
            get { 
                return _useSetAttribute;
            } 
            set { 
                _useSetAttribute = value;
            } 
        }


        ///  
        /// 
        public object Value { 
            get { 
                return _value;
            } 
            set {
                _value = value;
            }
        } 

        // Build the statement that assigns this property 
        internal CodeStatement GetCodeStatement(BaseTemplateCodeDomTreeGenerator generator, 
            CodeExpression ctrlRefExpr) {
 
            // If we don't have a type, use IAttributeAccessor.SetAttribute
            if (UseSetAttribute) {
                // e.g. ((IAttributeAccessor)__ctrl).SetAttribute("{{_name}}", "{{_value}}");
                CodeMethodInvokeExpression methCallExpression = new CodeMethodInvokeExpression( 
                    new CodeCastExpression(typeof(IAttributeAccessor), ctrlRefExpr),
                        "SetAttribute"); 
 
                methCallExpression.Parameters.Add(new CodePrimitiveExpression(Name));
                methCallExpression.Parameters.Add(new CodePrimitiveExpression(Value)); 
                return new CodeExpressionStatement(methCallExpression);
            }

            CodeExpression leftExpr, rightExpr = null; 

            if (PropertyInfo != null) { 
                leftExpr = CodeDomUtility.BuildPropertyReferenceExpression(ctrlRefExpr, Name); 
            }
            else { 
                // In case of a field, there should only be one (unlike properties)
                Debug.Assert(Name.IndexOf('.') < 0, "_name.IndexOf('.') < 0");
                leftExpr = new CodeFieldReferenceExpression(ctrlRefExpr, Name);
            } 

            if (Type == typeof(string)) { 
                rightExpr = generator.BuildStringPropertyExpression(this); 
            }
            else { 
                rightExpr = CodeDomUtility.GenerateExpressionForValue(PropertyInfo, Value, Type);
            }

            // Now that we have both side, add the assignment 
            return new CodeAssignStatement(leftExpr, rightExpr);
        } 
    } 

} 



// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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