Core/CompleteCollection.cs

   1 using System;
   2 using System.ComponentModel;
   3 using System.Collections.ObjectModel;
   4 using System.Collections.Generic;
   5 using System.Runtime.CompilerServices;
   6
   7 namespace FooEditEngine
   8 {
   9     public interface ICompleteItem : INotifyPropertyChanged
  10     {
  11         /// <summary>
  12         /// 補完対象の単語を表す
  13         /// </summary>
  14         string word { get; }
  15     }
  16
  17     public class CompleteWord : ICompleteItem
  18     {
  19         private string _word;
  20         /// <summary>
  21         /// コンストラクター
  22         /// </summary>
  23         public CompleteWord(string w)
  24         {
  25             this._word = w;
  26             this.PropertyChanged += new PropertyChangedEventHandler((s,e)=>{});
  27         }
  28
  29         /// <summary>
  30         /// 補完候補となる単語を表す
  31         /// </summary>
  32         public string word
  33         {
  34             get { return this._word; }
  35             set { this._word = value; this.OnPropertyChanged(); }
  36         }
  37
  38         /// <summary>
  39         /// プロパティが変更されたことを通知する
  40         /// </summary>
  41         public void OnPropertyChanged([CallerMemberName] string name = "")
  42         {
  43             if (this.PropertyChanged != null)
  44                 this.PropertyChanged(this, new PropertyChangedEventArgs(name));
  45         }
  46
  47         /// <summary>
  48         /// プロパティが変更されたことを通知する
  49         /// </summary>
  50         public event PropertyChangedEventHandler PropertyChanged;
  51     }
  52
  53     public sealed class CompleteCollection<T> : ObservableCollection<T> where T : ICompleteItem
  54     {
  55         public const string ShowMember = "word";
  56
  57         /// <summary>
  58         /// 補完対象の単語を表す
  59         /// </summary>
  60         public CompleteCollection()
  61         {
  62             this.LongestItem = default(T);
  63         }
  64
  65         /// <summary>
  66         /// 最も長い単語を表す
  67         /// </summary>
  68         public T LongestItem
  69         {
  70             get;
  71             private set;
  72         }
  73
  74         public void AddRange(IEnumerable<T> collection)
  75         {
  76             foreach (T s in collection)
  77                 this.Add(s);
  78         }
  79
  80         public new void Add(T s)
  81         {
  82             if (this.LongestItem == null)
  83                 this.LongestItem = s;
  84             if (s.word.Length > this.LongestItem.word.Length)
  85                 this.LongestItem = s;
  86             base.Add(s);
  87         }
  88
  89         public new void Insert(int index, T s)
  90         {
  91             if (this.LongestItem == null)
  92                 this.LongestItem = s;
  93             if (s.word.Length > this.LongestItem.word.Length)
  94                 this.LongestItem = s;
  95             base.Insert(index, s);
  96         }
  97
  98         public new void Clear()
  99         {
 100             this.LongestItem = default(T);
 101             base.Clear();
 102         }
 103     }
 104 }