86 lines
2.0 KiB
C#
86 lines
2.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace BizHawk.MultiClient
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{
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public class RecentFiles
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{
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private readonly int MAX_RECENT_FILES; //Maximum number of files
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private readonly List<string> _recent_list; //List of recent files
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public RecentFiles()
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: this(8) { }
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public RecentFiles(int max)
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{
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_recent_list = new List<string>();
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MAX_RECENT_FILES = max;
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}
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public void Clear()
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{
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_recent_list.Clear();
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}
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public bool Empty
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{
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get { return _recent_list.Count == 0; }
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}
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public int Count
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{
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get { return _recent_list.Count; }
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}
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public void Add(string newFile)
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{
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foreach (string recent in _recent_list)
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{
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if (String.Compare(newFile, recent, true) == 0)
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{
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_recent_list.Remove(newFile); //intentionally keeps iterating after this to remove duplicate instances, though those should never exist in the first place
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}
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}
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_recent_list.Insert(0, newFile);
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if (_recent_list.Count > MAX_RECENT_FILES)
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{
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_recent_list.Remove(_recent_list[_recent_list.Count - 1]);
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}
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}
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public bool Remove(string newFile)
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{
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bool removed = false;
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foreach(string recent in _recent_list)
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{
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if (string.Compare(newFile, recent, true) == 0)
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{
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_recent_list.Remove(newFile); //intentionally keeps iterating after this to remove duplicate instances, though those should never exist in the first place
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removed = true;
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}
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}
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return removed;
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}
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public List<string> GetRecentListTruncated(int length)
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{
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//iterate through list, truncating each item to length, and return the result in a List<string>
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return _recent_list.Select(t => t.Substring(0, length)).ToList();
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}
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public string GetRecentFileByPosition(int position)
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{
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if (_recent_list.Count > 0)
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{
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return _recent_list[position];
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}
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else
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{
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return "";
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}
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}
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}
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}
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