recordlistt.cs

一种.net实现ajax方法的类库

/** Copyright (c) 2006, All-In-One Creations, Ltd.
*  All rights reserved.
* 
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* 
*     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
*     * Neither the name of All-In-One Creations, Ltd. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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**/
/**
 * Project: emergetk: stateful web framework for the masses
 * File name: RecordListT.cs
 * Description: A generic friendly wrapper to RecordList.
 *   
 * Author: Ben Joldersma
 *   
 */

using System;
using System.Collections;
using System.Collections.Generic;
using System.Web;
using System.Reflection;
using System.Data;

namespace EmergeTk.Model
{
    public delegate void RecordListHandler<T>(RecordList<T> list) where T : AbstractRecord, new();
	/// <summary>
	/// Summary description for RecordList.
	/// </summary>
    public class RecordList<T> : IRecordList, IRecordList<T>  where T : AbstractRecord, new()
	{
        private RecordList list;

		public RecordList()
		{
            list = new RecordList();
            list.RecordType = typeof(T);
		}
		#region IList Members

		public bool IsReadOnly
		{
			get
			{
				// TODO:  Add RecordList.IsReadOnly getter implementation
				return false;
			}
		}

        public Type RecordType { get { return typeof(T); } set { throw new System.NotSupportedException("Cannot set type on a generic recordlist.");  } }

        public T this[int index]
		{
			get
			{
				return list[index] as T;
			}
			set
			{
				list[index] = value;
			}
		}

        public bool Live
        {          get { return list.Live; }
            set
            {
                list.Live = value;
            }
        }
  

		public void RemoveAt(int index)
		{
            list.RemoveAt(index);
		}

        public void Insert(int index, T value)
		{
			list.Insert( index, value );
		}

        public List<SortInfo> Sorts
        {
            get { return list.Sorts; }
            set { list.Sorts = value; }
        }

        public List<FilterInfo> Filters
        {
            get { return list.Filters; }
            set { list.Filters = value; }
        }

        public void Remove(T value)
        {
            list.Remove(value);
        }

		public bool Contains(T value)
		{
            return list.Contains(value);
		}

		public void Clear()
		{
            list.Clear();	
		}

        public int IndexOf(T value)
		{
            return list.IndexOf(value);
		}

        public void Add(T value)
		{
            list.Add(value);
		}

        public T NewRow()
        {
            return list.NewRow<T>() as T;
        }

		public int Count
		{
			get
			{
				return list.Count;
			}
		}

		#endregion

        public void Sort()
        {
            list.Sort();
        }

        public void AddFilter(FilterInfo filterInfo)
        {
            list.AddFilter(filterInfo);
        }

        public void Filter()
        {
            list.Filter();
        }
        
        public string[] ToStringArray()
        {
            return list.ToStringArray();
        }

        public string[] ToStringArray(string property)
        {
            return list.ToStringArray(property);
        }

        public string[] ToIdArray()
        {
            return list.ToIdArray();
        }

		public void Save()
		{
            list.Save();
		}

		public void Delete()
		{
            list.Delete();
		}

        public void Delete(T value)
        {
            list.Delete(value);
        }
        
        public void DeleteAt(int index)
        {
            list.DeleteAt(index);
        }

        public string toJSON(JSON.Type transportType, List<DataGridColumn> columns, int pageIndex, int pageSize )
        {
            return list.toJSON(transportType, columns, pageIndex, pageSize);
        }

        //Events

        public event RecordHandler OnRecordChanged
        {
            add { 
                list.OnRecordChanged += value;
            }
            remove {
                list.OnRecordChanged -= value;
            }
        }

        public event RecordHandler OnRecordRemoved
        {
            add
            {
                list.OnRecordRemoved += value;
            }
            remove
            {
                list.OnRecordRemoved -= value;
            }
        }

        public event RecordHandler OnRecordAdded
        {
            add { list.OnRecordAdded += value; }
            remove { list.OnRecordAdded -= value; }
        }

        public IEnumerator<AbstractRecord> GetEnumerator()
        {
            return list.GetEnumerator();
        }

        #region IRecordList Members


        AbstractRecord IRecordList.this[int index]
        {
            get
            {
                return list[index];
            }
            set
            {
                list[index] = value;
            }
        }

        public void Add(AbstractRecord value)
        {
            list.Add(value);
        }

        public bool Contains(AbstractRecord value)
        {
            return list.Contains(value);
        }

        public int IndexOf(AbstractRecord value)
        {
            return list.IndexOf(value);
        }

        public void Insert(int index, AbstractRecord value)
        {
            list.Insert(index, value);
        }

        public AbstractRecord NewRow<N>() where N : AbstractRecord,new()
        {
            return list.NewRow<T>();
        }

        public void Remove(AbstractRecord value)
        {
            list.Remove(value);
        }

        public void Delete(AbstractRecord value)
        {
            list.Delete(value);
        }

        #endregion

        #region IComparable Members

        public int CompareTo(object obj)
        {
            return list.CompareTo(obj);
        }

        #endregion
    }
}