BoundPropertyEntry.cs

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

namespace System.Web.UI {

    using System.Reflection;
    using System.Web.Util;
    using System.Web.Compilation;
    using System.ComponentModel.Design;
    using System.Security.Permissions;


    /// <devdoc>
    /// PropertyEntry for any bound properties
    /// </devdoc>
    public class BoundPropertyEntry : PropertyEntry {
        private string _expression;
        private ExpressionBuilder _expressionBuilder;
        private string _expressionPrefix;
        private bool _useSetAttribute;
        private object _parsedExpressionData;
        private bool _generated;
        private string _fieldName;
        private string _formatString;
        private string _controlID;
        private Type _controlType;
        private bool _readOnlyProperty;
        private bool _twoWayBound;

        internal BoundPropertyEntry() {
        }

        /// <devdoc>
        /// The id of the control that contains this binding.
        /// </devdoc>
        public string ControlID {
            get {
                return _controlID;
            }
            set {
                _controlID = value;
            }
        }

        /// <devdoc>
        /// The type of the control which is being bound to a runtime value.
        /// </devdoc>
        public Type ControlType {
            get {
                return _controlType;
            }
            set {
                _controlType = value;
            }
        }
                
        /// <devdoc>
        /// </devdoc>
        public string Expression {
            get {
                return _expression;
            }
            set {
                _expression = value;
            }
        }

        public ExpressionBuilder ExpressionBuilder {
            get {
                return _expressionBuilder;
            }
            set {
                _expressionBuilder = value;
            }
        }

        public string ExpressionPrefix {
            get {
                return _expressionPrefix;
            }
            set {
                _expressionPrefix = value;
            }
        }

        /// <devdoc>
        /// The name of the data field that is being bound to.
        /// </devdoc>
        public string FieldName {
            get {
                return _fieldName;
            }
            set {
                _fieldName = value;
            }
        }

        /// <devdoc>
        /// The format string applied to the field for display.
        /// </devdoc>
        public string FormatString {
            get {
                return _formatString;
            }
            set {
                _formatString = value;
            }
        }
        
        internal bool IsDataBindingEntry {
            // Empty prefix means it's a databinding expression (i.e. <%# ... %>)
            get { return String.IsNullOrEmpty(ExpressionPrefix); }
        }

        /// <summary>
        /// This represents the column value where the property value begins.
        /// Currently only calculated for data bound property entries, for other type
        /// of Bound Properties it has default value which is 0.
        /// </summary>
        internal int Column {
            get;
            set;
        }

        /// <summary>
        /// This represents the line value where the property value is present.
        /// Currently only calculated for data bound property entries, for other type
        /// of Bound Properties it has default value which is 0.
        /// </summary>
        internal int Line {
            get;
            set;
        }

        public bool Generated {
            get {
                return _generated;
            }
            set {
                _generated = value;
            }
        }

        public object ParsedExpressionData {
            get {
                return _parsedExpressionData;
            }
            set {
                _parsedExpressionData = value;
            }
        }

        /// <devdoc>
        /// Indicates whether the two way statement is set and get, or just get but not set.
        /// </devdoc>
        public bool ReadOnlyProperty {
            get {
                return _readOnlyProperty;
            }
            set {
                _readOnlyProperty = value;
            }
        }

        public bool TwoWayBound {
            get {
                return _twoWayBound;
            }
            set {
                _twoWayBound = value;
            }
        }
        
        /// <devdoc>
        /// </devdoc>
        public bool UseSetAttribute {
            get {
                return _useSetAttribute;
            }
            set {
                _useSetAttribute = value;
            }
        }

        public bool IsEncoded {
            get;
            set;
        }

        // Parse the expression, and store the resulting object
        internal void ParseExpression(ExpressionBuilderContext context) {
            if (Expression == null || ExpressionPrefix == null || ExpressionBuilder == null)
                return;

            _parsedExpressionData = ExpressionBuilder.ParseExpression(Expression, Type, context);
        }
    }
}