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//------------------------------------------------------------------------------
// <copyright file="SimplePropertyEntry.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI {
using System.CodeDom;
using System.Web.Compilation;
using Debug=System.Web.Util.Debug;
/// <devdoc>
/// PropertyEntry for simple attributes
/// </devdoc>
public class SimplePropertyEntry : PropertyEntry {
private string _persistedValue;
private bool _useSetAttribute;
private object _value;
internal SimplePropertyEntry() {
}
/// <devdoc>
/// </devdoc>
//
public string PersistedValue {
get {
return _persistedValue;
}
set {
_persistedValue = value;
}
}
/// <devdoc>
/// </devdoc>
public bool UseSetAttribute {
get {
return _useSetAttribute;
}
set {
_useSetAttribute = value;
}
}
/// <devdoc>
/// </devdoc>
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);
}
}
}
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