51 lines
1.3 KiB
51 lines
1.3 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Linq.Expressions;
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using System.Reflection;
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namespace Marr.Data.QGen
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{
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public class SortColumn<T>
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{
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public SortColumn(Expression<Func<T, object>> sortExpression, SortDirection direction)
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{
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MemberExpression me = GetMemberExpression(sortExpression.Body);
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DeclaringType = me.Expression.Type;
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PropertyName = me.Member.Name;
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Direction = direction;
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}
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public SortColumn(Type declaringType, string propertyName, SortDirection direction)
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{
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DeclaringType = declaringType;
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PropertyName = propertyName;
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Direction = direction;
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}
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public SortDirection Direction { get; private set; }
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public Type DeclaringType { get; private set; }
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public string PropertyName { get; private set; }
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private MemberExpression GetMemberExpression(Expression exp)
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{
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MemberExpression me = exp as MemberExpression;
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if (me == null)
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{
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var ue = exp as UnaryExpression;
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me = ue.Operand as MemberExpression;
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}
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return me;
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}
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}
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public enum SortDirection
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{
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Asc,
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Desc
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}
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}
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