source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/Auxiliary/IListExtensions.cs @ 12503

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Microsoft.Research.DynamicDataDisplay
{
  public static class IListExtensions
  {
    public static void AddMany<T>(this IList<T> collection, IEnumerable<T> addingItems)
    {
      foreach (var item in addingItems)
      {
        collection.Add(item);
      }
    }

    public static void AddMany<T>(this IList<T> collection, params T[] children)
    {
      foreach (var child in children)
      {
        collection.Add(child);
      }
    }

    public static void RemoveAllOfType<T>(this IList<T> collection, Type type)
    {
      var children = collection.Where(el => type.IsAssignableFrom(el.GetType())).ToArray();
      foreach (var child in children)
      {
        collection.Remove((T)child);
      }
    }

    public static void RemoveAll<T, TDelete>(this IList<T> collection)
    {
      var children = collection.OfType<TDelete>().ToArray();
      foreach (var child in children)
      {
        collection.Remove((T)(object)child);
      }
    }

    public static void RemoveAll<T>(this IList<T> collection, params T[] elements)
    {
      foreach (var item in elements)
      {
        collection.Remove(item);
      }
    }
  }
}