OpenTween/OTSplitContainer.cs

   1 // OpenTween - Client of Twitter
   2 // Copyright (c) 2014 spx (@5px)
   3 // All rights reserved.
   4 //
   5 // This file is part of OpenTween.
   6 //
   7 // This program is free software; you can redistribute it and/or modify it
   8 // under the terms of the GNU General Public License as published by the Free
   9 // Software Foundation; either version 3 of the License, or (at your option)
  10 // any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful, but
  13 // WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 // or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  15 // for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this program. If not, see <http://www.gnu.org/licenses/>, or write to
  19 // the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 #nullable enable
  23
  24 using System;
  25 using System.Collections.Generic;
  26 using System.ComponentModel;
  27 using System.Linq;
  28 using System.Windows.Forms;
  29
  30 namespace OpenTween
  31 {
  32     public class OTSplitContainer : SplitContainer
  33     {
  34         /// <summary>
  35         /// Panel1 と Panel2 の中身が入れ替わった状態かどうかを取得または設定する。
  36         /// true が設定された場合、Panel に関連するプロパティの処理内容も入れ替わるので注意。
  37         /// </summary>
  38         [Browsable(false)]
  39         [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
  40         public bool IsPanelInverted
  41         {
  42             get => this.isPanelInverted;
  43             set
  44             {
  45                 if (this.isPanelInverted == value)
  46                     return;
  47                 this.isPanelInverted = value;
  48
  49                 // Panel1 と Panel2 の中身を入れ替え
  50                 using (ControlTransaction.Layout(this, false))
  51                 using (ControlTransaction.Layout(base.Panel1, false))
  52                 using (ControlTransaction.Layout(base.Panel2, false))
  53                 {
  54                     var cont1 = new List<Control>(base.Panel1.Controls.Cast<Control>());
  55                     var cont2 = new List<Control>(base.Panel2.Controls.Cast<Control>());
  56                     base.Panel1.Controls.Clear();
  57                     base.Panel2.Controls.Clear();
  58
  59                     // 関連するプロパティを反転させる
  60                     if (base.FixedPanel != FixedPanel.None)
  61                         base.FixedPanel = (base.FixedPanel == FixedPanel.Panel1) ? FixedPanel.Panel2 : FixedPanel.Panel1;
  62
  63                     base.SplitterDistance = this.SplitterTotalWidth - (base.SplitterDistance + this.SplitterWidth);
  64
  65                     (base.Panel2MinSize, base.Panel1MinSize) = (base.Panel1MinSize, base.Panel2MinSize);
  66                     (base.Panel2Collapsed, base.Panel1Collapsed) = (base.Panel1Collapsed, base.Panel2Collapsed);
  67
  68                     base.Panel1.Controls.AddRange(cont2.ToArray());
  69                     base.Panel2.Controls.AddRange(cont1.ToArray());
  70                 }
  71             }
  72         }
  73
  74         private bool isPanelInverted = false;
  75
  76         /// <summary>
  77         /// SplitContainer.Orientation プロパティの設定に応じて、スプリッタが移動する方向の幅を返す。
  78         /// </summary>
  79         private int SplitterTotalWidth
  80             => (base.Orientation == Orientation.Horizontal) ? base.Height : base.Width;
  81
  82         /// <summary>
  83         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1 または SplitContainer.Panel2 を返す。
  84         /// </summary>
  85         public new SplitterPanel Panel1
  86             => this.IsPanelInverted ? base.Panel2 : base.Panel1;
  87
  88         /// <summary>
  89         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1 または SplitContainer.Panel2 を返す。
  90         /// </summary>
  91         public new SplitterPanel Panel2
  92             => this.IsPanelInverted ? base.Panel1 : base.Panel2;
  93
  94         /// <summary>
  95         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.FixedPanel を返す。
  96         /// </summary>
  97         public new FixedPanel FixedPanel
  98         {
  99             get
 100             {
 101                 if (base.FixedPanel != FixedPanel.None && this.IsPanelInverted)
 102                     return (base.FixedPanel == FixedPanel.Panel1) ? FixedPanel.Panel2 : FixedPanel.Panel1;
 103                 else
 104                     return base.FixedPanel;
 105             }
 106
 107             set
 108             {
 109                 if (value != FixedPanel.None && this.IsPanelInverted)
 110                     base.FixedPanel = (value == FixedPanel.Panel1) ? FixedPanel.Panel2 : FixedPanel.Panel1;
 111                 else
 112                     base.FixedPanel = value;
 113             }
 114         }
 115
 116         /// <summary>
 117         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.SplitterDistance を返す。
 118         /// </summary>
 119         public new int SplitterDistance
 120         {
 121             get
 122             {
 123                 if (this.IsPanelInverted)
 124                     return this.SplitterTotalWidth - (base.SplitterDistance + this.SplitterWidth);
 125                 else
 126                     return base.SplitterDistance;
 127             }
 128
 129             set
 130             {
 131                 if (this.IsPanelInverted)
 132                     base.SplitterDistance = this.SplitterTotalWidth - (value + this.SplitterWidth);
 133                 else
 134                     base.SplitterDistance = value;
 135             }
 136         }
 137
 138         /// <summary>
 139         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1MinSize または SplitContainer.Panel2MinSize を返す。
 140         /// </summary>
 141         public new int Panel1MinSize
 142         {
 143             get => this.IsPanelInverted ? base.Panel2MinSize : base.Panel1MinSize;
 144             set
 145             {
 146                 if (this.IsPanelInverted)
 147                     base.Panel2MinSize = value;
 148                 else
 149                     base.Panel1MinSize = value;
 150             }
 151         }
 152
 153         /// <summary>
 154         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1MinSize または SplitContainer.Panel2MinSize を返す。
 155         /// </summary>
 156         public new int Panel2MinSize
 157         {
 158             get => this.IsPanelInverted ? base.Panel1MinSize : base.Panel2MinSize;
 159             set
 160             {
 161                 if (this.IsPanelInverted)
 162                     base.Panel1MinSize = value;
 163                 else
 164                     base.Panel2MinSize = value;
 165             }
 166         }
 167
 168         /// <summary>
 169         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1Collapsed または SplitContainer.Panel2Collapsed を返す。
 170         /// </summary>
 171         public new bool Panel1Collapsed
 172         {
 173             get => this.IsPanelInverted ? base.Panel2Collapsed : base.Panel1Collapsed;
 174             set
 175             {
 176                 if (this.IsPanelInverted)
 177                     base.Panel2Collapsed = value;
 178                 else
 179                     base.Panel1Collapsed = value;
 180             }
 181         }
 182
 183         /// <summary>
 184         /// IsPanelInverted プロパティの設定に応じて、SplitContainer.Panel1Collapsed または SplitContainer.Panel2Collapsed を返す。
 185         /// </summary>
 186         public new bool Panel2Collapsed
 187         {
 188             get => this.IsPanelInverted ? base.Panel1Collapsed : base.Panel2Collapsed;
 189             set
 190             {
 191                 if (this.IsPanelInverted)
 192                     base.Panel1Collapsed = value;
 193                 else
 194                     base.Panel2Collapsed = value;
 195             }
 196         }
 197     }
 198 }