PropertyInformation.cs :  » 2.6.4-mono-.net-core » System.Configuration » System » Configuration » C# / CSharp Open Source

//
// System.Configuration.PropertyInformation.cs
//
// Authors:
//  Lluis Sanchez Gual (lluis@novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//

#if NET_2_0
using System.ComponentModel;

namespace System.Configuration{
  public sealed class PropertyInformation
  {
    bool isLocked;
    bool isModified;
    int lineNumber;
    string source;
    object val;
    PropertyValueOrigin origin;
    readonly ConfigurationElement owner;
    readonly ConfigurationProperty property;
    
    internal PropertyInformation (ConfigurationElement owner, ConfigurationProperty property)
    {
      this.owner = owner;
      this.property = property;
    }
    
    public TypeConverter Converter {
      get { return property.Converter; }
    }
    
    public object DefaultValue {
      get { return property.DefaultValue; }
    }
    
    public string Description {
      get { return property.Description; }
    }
    
    public bool IsKey {
      get { return property.IsKey; }
    }
    
    [MonoTODO]
    public bool IsLocked {
      get { return isLocked; }
      internal set { isLocked = value; }
    }
    
    public bool IsModified {
      get { return isModified; }
      internal set { isModified = value; }
    }
    
    public bool IsRequired {
      get { return property.IsRequired; }
    }
    
    [MonoTODO]
    public int LineNumber {
      get { return lineNumber; }
      internal set { lineNumber = value; }
    }
    
    public string Name {
      get { return property.Name; }
    }
    
    [MonoTODO]
    public string Source {
      get { return source; }
      internal set { source = value; }
    }
    
    public Type Type {
      get { return property.Type; }
    }
    
    public ConfigurationValidatorBase Validator {
      get { return property.Validator; }
    }
    
    public object Value {
      get {
        if (origin == PropertyValueOrigin.Default) {
          if (property.IsElement) {
            ConfigurationElement elem = (ConfigurationElement) Activator.CreateInstance (Type, true);
            elem.InitFromProperty (this);
            if (owner != null && owner.IsReadOnly ())
              elem.SetReadOnly ();
            val = elem;
            origin = PropertyValueOrigin.Inherited;
          }
          else {
            return DefaultValue;
          }
        }
        return val;
      }
      set {
        val = value;
        isModified = true;
        origin = PropertyValueOrigin.SetHere;
      }
    }
    
    internal void Reset (PropertyInformation parentProperty)
    {
      if (parentProperty != null) {
        if (property.IsElement) {
          ((ConfigurationElement)Value).Reset ((ConfigurationElement) parentProperty.Value);
        }
        else {
          val = parentProperty.Value;
          origin = PropertyValueOrigin.Inherited;
        }
      } else {
        origin = PropertyValueOrigin.Default;
      }
    }
    
    internal bool IsElement {
      get { return property.IsElement; }
    }
    
    public PropertyValueOrigin ValueOrigin {
      get { return origin; }
    }
    
    internal string GetStringValue ()
    {
      return property.ConvertToString (Value);
    }
    
    internal void SetStringValue (string value)
    {
      val = property.ConvertFromString (value);
      if (!object.Equals (val, DefaultValue))
        origin = PropertyValueOrigin.SetHere;
    }
    
    internal ConfigurationProperty Property {
      get { return property; }
    }
  }
}
#endif