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

namespace HotelPms.Share.Windows.Component.Design
{
    public class DesignItemCollection : CollectionBase
    {
         private DesignPanel owner;

        public virtual DesignItem this[int index]
        {
            get
            {
                return this.List[index] as DesignItem;
            }
        }

        public DesignItemCollection(DesignPanel owner)
            : base()
		{
			if (owner == null)
				throw new ArgumentNullException("owner");
							
			this.owner = owner;
		}

        public DesignItemCollection(DesignPanel owner, DesignItem dateItems)
                    : this(owner)
		{
			this.Add(dateItems);
		}

        public int IndexOf(DesignItem dateItem)
        {
            if (dateItem == null)
                throw new ArgumentNullException("dateItem");

            for (int i = 0; i < this.Count; i++)
            {
                if (this[i] == dateItem)
                {
                    return i;
                }
            }

            return -1;
        }

        public void Add(DesignItem value)
        {
            int index;
            if (value == null)
                throw new ArgumentNullException("value");

            //if (value.Owner == null) { value.Owner = this.owner; }

            index = this.IndexOf(value);
            if (index == -1)
                this.List.Add(value);
            else
                this.List[index] = value;
        }

        public void Insert(DesignItem value, int p)
        {
            int index;
            if (value == null)
                throw new ArgumentNullException("value");

            //if (value.Owner == null) { value.Owner = this.owner; }

            index = this.IndexOf(value);
            if (index == -1)
                this.List.Insert(p, value);
            else
                this.List[index] = value;
        }


        public void AddRange(DesignItem[] dateItems)
        {
            if (dateItems == null)
                throw new ArgumentNullException("dateItems");

            for (int i = 0; i < dateItems.Length; i++)
            {
                //dateItems[i].Owner = owner;
                this.Add(dateItems[i]);
            }
        }

        public void Add(DesignItemCollection dateItems)
        {
            if (dateItems == null)
                throw new ArgumentNullException("dateItems");

            for (int i = 0; i < dateItems.Count; i++)
            {
                this.Add(dateItems[i]);
            }
        }

        public new void Clear()
        {
            while (this.Count > 0)
            {
                this.RemoveAt(0);
            }
        }

        public bool Contains(DesignItem dateItem)
        {
            if (dateItem == null)
                throw new ArgumentNullException("dateItem");

            return (this.IndexOf(dateItem) != -1);
        }


        public void Remove(DesignItem value)
        {
            if (value == null)
                throw new ArgumentNullException("value");

            this.List.Remove(value);

        }

        public new void RemoveAt(int index)
        {
            this.Remove(this[index]);
        }

        public void Move(DesignItem value, int index)
        {
            if (value == null)
                throw new ArgumentNullException("value");

            if (index < 0)
            {
                index = 0;
            }
            else if (index > this.Count)
            {
                index = this.Count;
            }

            if (!this.Contains(value) || this.IndexOf(value) == index)
            {
                return;
            }

            this.List.Remove(value);

            if (index > this.Count)
            {
                this.List.Add(value);
            }
            else
            {
                this.List.Insert(index, value);
            }

        }

        public void MoveToTop(DesignItem value)
        {
            this.Move(value, 0);
        }


        public void MoveToBottom(DesignItem value)
        {
            this.Move(value, this.Count);
        }
    }
}