BindingSourceHelper.cs

Go to the documentation of this file.

//-----------------------------------------------------------------------
// <copyright file="BindingSourceHelper.cs" company="Marimer LLC">
//     Copyright (c) Marimer LLC. All rights reserved.
//     Website: https://cslanet.com
// </copyright>
// <summary>Helper methods for dealing with BindingSource</summary>
//-----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Windows.Forms;
using System.Text;
using Csla.Properties;
 
namespace Csla.Windows
{
  public static class BindingSourceHelper
  {
    private static BindingSourceNode _rootSourceNode;
 
    public static BindingSourceNode InitializeBindingSourceTree(
      IContainer container, BindingSource rootSource)
    {
      if (rootSource == null)
        throw new ApplicationException(Resources.BindingSourceNotProvided);
 
      _rootSourceNode = new BindingSourceNode(rootSource);
      _rootSourceNode.Children.AddRange(GetChildBindingSources(container, rootSource, _rootSourceNode));
 
      return _rootSourceNode;
    }
 
    private static List<BindingSourceNode> GetChildBindingSources(
      IContainer container, BindingSource parent, BindingSourceNode parentNode)
    {
      List<BindingSourceNode> children = new List<BindingSourceNode>();
 
      foreach (Component component in container.Components)
      {
        if (component is BindingSource)
        {
          BindingSource temp = component as BindingSource;
          if (temp.DataSource != null && temp.DataSource.Equals(parent))
          {
            BindingSourceNode childNode = new BindingSourceNode(temp);
            children.Add(childNode);
            childNode.Children.AddRange(GetChildBindingSources(container, temp, childNode));
            childNode.Parent = parentNode;
          }
        }
      }
 
      return children;
    }
 
  }
}