OpenTween/ToolStripLabelHistory.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2007-2011 kiri_feather (@kiri_feather) <kiri.feather@gmail.com>
   3 //           (c) 2008-2011 Moz (@syo68k)
   4 //           (c) 2008-2011 takeshik (@takeshik) <http://www.takeshik.org/>
   5 //           (c) 2010-2011 anis774 (@anis774) <http://d.hatena.ne.jp/anis774/>
   6 //           (c) 2010-2011 fantasticswallow (@f_swallow) <http://twitter.com/f_swallow>
   7 //           (c) 2011      kim_upsilon (@kim_upsilon) <https://upsilo.net/~upsilon/>
   8 // All rights reserved.
   9 //
  10 // This file is part of OpenTween.
  11 //
  12 // This program is free software; you can redistribute it and/or modify it
  13 // under the terms of the GNU General Public License as published by the Free
  14 // Software Foundation; either version 3 of the License, or (at your option)
  15 // any later version.
  16 //
  17 // This program is distributed in the hope that it will be useful, but
  18 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  19 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  20 // for more details.
  21 //
  22 // You should have received a copy of the GNU General Public License along
  23 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  24 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  25 // Boston, MA 02110-1301, USA.
  26
  27 #nullable enable
  28
  29 using System;
  30 using System.Collections.Generic;
  31 using System.Linq;
  32 using System.Text;
  33 using System.Windows.Forms;
  34
  35 namespace OpenTween.OpenTweenCustomControl
  36 {
  37     public class ToolStripLabelHistory : ToolStripStatusLabel
  38     {
  39         public enum LogLevel
  40         {
  41             Lowest = 0,
  42             Debug = 16,
  43             Info = 32,
  44             Notice = 64,
  45             Warn = 128,
  46             Err = 192,
  47             Fatal = 255,
  48             Highest = 256,
  49         }
  50
  51         public readonly record struct LogEntry(
  52             LogLevel LogLevel,
  53             DateTimeUtc Timestamp,
  54             string Summary,
  55             string Detail
  56         )
  57         {
  58             public LogEntry(DateTimeUtc timestamp, string summary)
  59                 : this(LogLevel.Debug, timestamp, summary, summary)
  60             {
  61             }
  62
  63             public override string ToString()
  64                 => this.Timestamp.ToLocalTime().ToString("T") + ": " + this.Summary;
  65         }
  66
  67         private readonly LinkedList<LogEntry> logs;
  68
  69         private const int MAXCNT = 20;
  70
  71         public override string Text
  72         {
  73             get => base.Text;
  74             set
  75             {
  76                 var oneline = value.Replace("\n", " ");
  77                 this.logs.AddLast(new LogEntry(DateTimeUtc.Now, oneline));
  78                 while (this.logs.Count > MAXCNT)
  79                 {
  80                     this.logs.RemoveFirst();
  81                 }
  82                 base.Text = oneline;
  83             }
  84         }
  85
  86         public string TextHistory
  87         {
  88             get
  89             {
  90                 var sb = new StringBuilder();
  91                 foreach (var e in this.logs)
  92                 {
  93                     sb.AppendLine(e.ToString());
  94                 }
  95                 return sb.ToString();
  96             }
  97         }
  98
  99         public ToolStripLabelHistory()
 100             => this.logs = new LinkedList<LogEntry>();
 101     }
 102 }