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Viewing changes to src/AddIns/DisplayBindings/Data/ICSharpCode.Data.Core/DatabaseObjects/DatabaseObjectsCollection.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

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src/AddIns/DisplayBindings/Data/ICSharpCode.Data.Core/DatabaseObjects/DatabaseObjectsCollection.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
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#region Usings
 
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using System;
 
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using System.Collections.Generic;
 
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using System.Linq;
 
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using System.Text;
 
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using System.Collections.ObjectModel;
 
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using ICSharpCode.Data.Core.Interfaces;
 
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#endregion
 
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namespace ICSharpCode.Data.Core.DatabaseObjects
 
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{
 
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    public class DatabaseObjectsCollection<T> : ObservableCollection<T>, IDatabaseObjectsCollection where T : IDatabaseObjectBase
 
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    {
 
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        #region Fields
 
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        protected IDatabaseObjectBase _parent = null;
 
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        #endregion
 
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        #region Properties
 
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        public List<IDatabaseObjectBase> NonGenericItems
 
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        {
 
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            get
 
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            { 
 
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                List<IDatabaseObjectBase> items = new List<IDatabaseObjectBase>();
 
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                items.AddRange(this.Cast<IDatabaseObjectBase>());
 
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                return items;
 
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            }
 
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        }
 
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        public int SelectedItemsCount
 
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        {
 
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            get 
 
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            {
 
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                int selectedItemsCount = 0;
 
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                foreach (T item in this)
 
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                {
 
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                    if (item.IsSelected)
 
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                        selectedItemsCount++;
 
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                }
 
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                return selectedItemsCount;
 
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            }
 
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        }
 
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        #endregion
 
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        #region Methods
 
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        public new void Add(T item)
 
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        {
 
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            item.Parent = _parent;
 
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            base.Add(item);
 
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        }
 
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        #endregion
 
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        #region Constructor
 
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        public DatabaseObjectsCollection(IDatabaseObjectBase parent)
 
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        {
 
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            _parent = parent;
 
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        }
 
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        public DatabaseObjectsCollection()
 
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        { }
 
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        #endregion
 
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    }
 
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    public static class DatabaseObjectsCollection
 
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    {
 
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        #region Extension methods
 
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        public static DatabaseObjectsCollection<T> ToDatabaseObjectsCollection<T>(this IEnumerable<T> source) where T : IDatabaseObjectBase
 
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        {
 
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            DatabaseObjectsCollection<T> dest = new DatabaseObjectsCollection<T>(null);
 
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            foreach (T item in source)
 
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                dest.Add(item);
 
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            return dest;
 
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        }
 
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        public static DatabaseObjectsCollection<T> ToDatabaseObjectsCollection<T>(this IEnumerable<T> source, IDatabaseObjectBase parent) where T : IDatabaseObjectBase
 
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        {
 
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            DatabaseObjectsCollection<T> dest = new DatabaseObjectsCollection<T>(parent);
 
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            foreach (T item in source)
 
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                dest.Add(item);
 
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            return dest;
 
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        }
 
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        #endregion
 
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    }
 
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}