PropertyRule.cs

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//-----------------------------------------------------------------------
// <copyright file="PropertyRule.cs" company="Marimer LLC">
//     Copyright (c) Marimer LLC. All rights reserved.
//     Website: https://cslanet.com
// </copyright>
// <summary>Base class used to create property level rule</summary>
//-----------------------------------------------------------------------
using System;
using Csla.Core;
 
namespace Csla.Rules
{
  public abstract class PropertyRule : BusinessRule
  {
    public string MessageText
    {
      get { return MessageDelegate.Invoke(); }
      set { MessageDelegate = () => value; }
    }
 
    public Func<string> MessageDelegate { get; set; }
 
    protected bool HasMessageDelegate
    {
      get { return MessageDelegate != null; }
    }
 
    protected virtual string GetMessage()
    {
      return MessageText;
    }
 
    protected PropertyRule()
      : base()
    {
      CanRunAsAffectedProperty = true;
      CanRunOnServer = true;
      CanRunInCheckRules = true;
    }
 
    protected PropertyRule(IPropertyInfo propertyInfo) : base(propertyInfo)
    {
      CanRunAsAffectedProperty = true;
      CanRunOnServer = true;
      CanRunInCheckRules = true;
    }
 
    public bool CanRunAsAffectedProperty
    {
      get { return (RunMode & RunModes.DenyAsAffectedProperty) == 0; }
      set
      {
        if (value && !CanRunAsAffectedProperty)
        {
          RunMode = RunMode ^ RunModes.DenyAsAffectedProperty;
        }
        else if (!value && CanRunAsAffectedProperty)
        {
          RunMode = RunMode | RunModes.DenyAsAffectedProperty;
        }
      }
    }
 
    public bool CanRunOnServer
    {
      get { return (RunMode & RunModes.DenyOnServerSidePortal) == 0; }
      set
      {
        if (value && !CanRunOnServer)
        {
          RunMode = RunMode ^ RunModes.DenyOnServerSidePortal;
        }
        else if (!value && CanRunOnServer)
        {
          RunMode = RunMode | RunModes.DenyOnServerSidePortal;
        }
      }
    }
 
    public bool CanRunInCheckRules
    {
      get { return (RunMode & RunModes.DenyCheckRules) == 0; }
      set
      {
        if (value && !CanRunInCheckRules)
        {
          RunMode = RunMode ^ RunModes.DenyCheckRules;
        }
        else if (!value && CanRunInCheckRules)
        {
          RunMode = RunMode | RunModes.DenyCheckRules;
        }
      }
    }
  }
}