ObjectViewSchema.cs

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//-----------------------------------------------------------------------
// <copyright file="ObjectViewSchema.cs" company="Marimer LLC">
//     Copyright (c) Marimer LLC. All rights reserved.
//     Website: https://cslanet.com
// </copyright>
// <summary>Object providing schema information for a</summary>
//-----------------------------------------------------------------------
using System;
using System.Collections;
using System.Collections.Generic;
using System.Web.UI.Design;
using System.ComponentModel;
using System.ComponentModel.Design;
using Csla;
using Csla.Web.Design;
 
namespace Csla.Web.Design
{
 
  [Serializable()]
  public class ObjectViewSchema : IDataSourceViewSchema
  {
    private string _typeName = "";
    private CslaDataSourceDesigner _designer;
 
    public ObjectViewSchema(CslaDataSourceDesigner site, string typeName)
    {
      _typeName = typeName;
      _designer = site;
    }
 
    public System.Web.UI.Design.IDataSourceViewSchema[] GetChildren()
    {
      return null;
    }
 
    public System.Web.UI.Design.IDataSourceFieldSchema[] GetFields()
    {
      ITypeResolutionService typeService = null;
      List<ObjectFieldInfo> result = new List<ObjectFieldInfo>();
 
      if (_designer != null)
      {
        Type objectType = null;
        try
        {
          typeService = (ITypeResolutionService)(_designer.Site.GetService(typeof(ITypeResolutionService)));
          objectType = typeService.GetType(_typeName, true, false);
 
          if (typeof(IEnumerable).IsAssignableFrom(objectType))
          {
            // this is a list so get the item type
            objectType = Utilities.GetChildItemType(objectType);
          }
          PropertyDescriptorCollection props = TypeDescriptor.GetProperties(objectType);
          foreach (PropertyDescriptor item in props)
          {
            if (item.IsBrowsable)
            {
              result.Add(new ObjectFieldInfo(item));
            }
          }
        }
        catch
        { /* do nothing - just swallow exception */ }
      }
 
      return result.ToArray();
    }
 
    public string Name
    {
      get
      {
        return "Default";
      }
    }
  }
}