Common/Controller.cs

   1 /*\r
   2  * Copyright (C) 2013 FooProject\r
   3  * * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by\r
   4  * the Free Software Foundation; either version 3 of the License, or (at your option) any later version.\r
   5 \r
   6  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of \r
   7  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.\r
   8 \r
   9 You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.\r
  10  */\r
  11 using System;\r
  12 using System.Globalization;\r
  13 using System.Text;\r
  14 using System.Linq;\r
  15 using System.Diagnostics;\r
  16 using System.Text.RegularExpressions;\r
  17 #if WINFORM\r
  18 using System.Drawing;\r
  19 #endif\r
  20 \r
  21 namespace FooEditEngine\r
  22 {\r
  23     internal enum MoveFlow\r
  24     {\r
  25         Horizontical,\r
  26         Vertical,\r
  27     }\r
  28     internal enum ScrollDirection\r
  29     {\r
  30         Up,\r
  31         Down,\r
  32         Left,\r
  33         Right,\r
  34     }\r
  35     /// <summary>\r
  36     /// ユーザー側からの処理を担当するクラス。一部を除き、こちらで行われた操作はアンドゥの対象になります\r
  37     /// </summary>\r
  38     internal sealed class Controller\r
  39     {\r
  40         EditView View;\r
  41         Document Document;\r
  42         int AnchorIndex;\r
  43         \r
  44         public Controller(Document doc, EditView view)\r
  45         {\r
  46             this.Document = doc;\r
  47             this.Document.Update += new DocumentUpdateEventHandler(Document_Update);\r
  48             this.Document.Progress += Document_Progress;\r
  49             this.View = view;\r
  50             this.View.render.ChangedRightToLeft += render_ChangedRightToLeft;\r
  51             this.View.render.ChangedRenderResource += render_ChangedRenderResource;\r
  52             this.View.PerformLayouted += View_LineBreakChanged;\r
  53             this.View.PageBoundChanged += View_PageBoundChanged;\r
  54             this.Document.Clear();\r
  55             this.CaretMoved += new EventHandler((s, e) => { });\r
  56         }\r
  57 \r
  58         /// <summary>\r
  59         /// キャレット移動時に通知される\r
  60         /// </summary>\r
  61         public event EventHandler CaretMoved;\r
  62 \r
  63 \r
  64         /// <summary>\r
  65         /// 矩形選択モードなら真を返し、そうでない場合は偽を返す\r
  66         /// </summary>\r
  67         public bool RectSelection\r
  68         {\r
  69             get;\r
  70             set;\r
  71         }\r
  72 \r
  73         /// <summary>\r
  74         /// 選択範囲の開始位置\r
  75         /// </summary>\r
  76         /// <remarks>SelectionLengthが0の場合、キャレット位置を表します</remarks>\r
  77         public int SelectionStart\r
  78         {\r
  79             get\r
  80             {\r
  81                 if (this.Document.Selections.Count == 0)\r
  82                     return this.AnchorIndex;\r
  83                 else\r
  84                     return this.Document.Selections.First().start;\r
  85             }\r
  86         }\r
  87 \r
  88         /// <summary>\r
  89         /// 選択範囲の長さ\r
  90         /// </summary>\r
  91         /// <remarks>矩形選択モードの場合、選択範囲の文字数ではなく、開始位置から終了位置までの長さとなります</remarks>\r
  92         public int SelectionLength\r
  93         {\r
  94             get\r
  95             {\r
  96                 if (this.Document.Selections.Count == 0)\r
  97                     return 0;\r
  98                 Selection last = this.Document.Selections.Last();\r
  99                 return last.start + last.length - this.SelectionStart;\r
 100             }\r
 101         }\r
 102 \r
 103         /// <summary>\r
 104         /// 選択範囲内の文字列を返す\r
 105         /// </summary>\r
 106         /// <remarks>\r
 107         /// 未選択状態で代入したときは追加され、そうでない場合は選択範囲の文字列と置き換えられます。\r
 108         /// </remarks>\r
 109         public string SelectedText\r
 110         {\r
 111             get\r
 112             {\r
 113                 if (this.View.LayoutLines.Count == 0 || this.Document.Selections.Count == 0)\r
 114                     return null;\r
 115                 if (this.RectSelection)\r
 116                     return GetTextFromRectangleSelectArea(this.Document.Selections);\r
 117                 else\r
 118                     return GetTextFromLineSelectArea(this.Document.Selections);\r
 119             }\r
 120             set\r
 121             {\r
 122                 if (this.Document.FireUpdateEvent == false)\r
 123                     throw new InvalidOperationException("");\r
 124                 this.RepleaceSelectionArea(this.Document.Selections, value);\r
 125             }\r
 126         }\r
 127 \r
 128         /// <summary>\r
 129         /// 選択範囲が逆転しているかどうかを判定する\r
 130         /// </summary>\r
 131         /// <returns>逆転しているなら真を返す</returns>\r
 132         public bool IsReverseSelect()\r
 133         {\r
 134             int index = this.View.LayoutLines.GetIndexFromTextPoint(this.View.CaretPostion);\r
 135             return index < this.AnchorIndex;\r
 136         }\r
 137 \r
 138         /// <summary>\r
 139         /// 指定された範囲を選択する\r
 140         /// </summary>\r
 141         /// <param name="start"></param>\r
 142         /// <param name="length"></param>\r
 143         /// <remarks>RectSelectionの値によって動作が変わります。真の場合は矩形選択モードに、そうでない場合は行ごとに選択されます</remarks>\r
 144         public void Select(int start, int length)\r
 145         {\r
 146             if (this.Document.FireUpdateEvent == false)\r
 147                 throw new InvalidOperationException("");\r
 148             if (start < 0 || start + length < 0 || start + length > this.Document.Length)\r
 149                 throw new ArgumentOutOfRangeException("startかendが指定できる範囲を超えてます");\r
 150             this.Document.Selections.Clear();\r
 151             if (length < 0)\r
 152             {\r
 153                 int oldStart = start;\r
 154                 start += length;\r
 155                 length = oldStart - start;\r
 156             }\r
 157             if (this.RectSelection && length != 0)\r
 158             {\r
 159                 TextPoint startTextPoint = this.View.GetLayoutLineFromIndex(start);\r
 160                 TextPoint endTextPoint = this.View.GetLayoutLineFromIndex(start + length);\r
 161                 this.SelectByRectangle(new TextRectangle(startTextPoint, endTextPoint));\r
 162                 if (startTextPoint.col == endTextPoint.col)\r
 163                     this.View.InsertPoint = new SelectCollection(this.Document.Selections);\r
 164                 else\r
 165                     this.View.InsertPoint = null;\r
 166             }\r
 167             else\r
 168             {\r
 169                 this.Document.Selections.Add(Selection.Create(start, length));\r
 170                 this.View.InsertPoint = null;\r
 171             }\r
 172         }\r
 173 \r
 174         public void Select(TextPoint tp, int width, int height)\r
 175         {\r
 176             if (this.Document.FireUpdateEvent == false || !this.RectSelection)\r
 177                 throw new InvalidOperationException("");\r
 178             TextPoint end = tp;\r
 179 \r
 180             end.row = tp.row + height;\r
 181             end.col = tp.col + width;\r
 182             \r
 183             if (end.row > this.View.LayoutLines.Count - 1)\r
 184                 throw new ArgumentOutOfRangeException("");\r
 185             \r
 186             this.Document.Selections.Clear();\r
 187             \r
 188             this.SelectByRectangle(new TextRectangle(tp,end));\r
 189             \r
 190             if (width == 0)\r
 191                 this.View.InsertPoint = new SelectCollection(this.Document.Selections);\r
 192             else\r
 193                 this.View.InsertPoint = null;\r
 194         }\r
 195 \r
 196         private void SelectByRectangle(TextRectangle rect)\r
 197         {\r
 198             if (this.Document.FireUpdateEvent == false)\r
 199                 throw new InvalidOperationException("");\r
 200             if (rect.TopLeft <= rect.BottomRight)\r
 201             {\r
 202                 for (int i = rect.TopLeft.row; i <= rect.BottomLeft.row; i++)\r
 203                 {\r
 204                     LineToIndexTableData lineData = this.View.LayoutLines.GetData(i);\r
 205                     int leftCol = rect.TopLeft.col,\r
 206                         rightCol = rect.TopRight.col,\r
 207                         lastCol = this.View.LayoutLines[i][lineData.Length - 1] == Document.NewLine ? lineData.Length - 1 : lineData.Length;\r
 208                     if (lastCol < 0)\r
 209                         lastCol = 0;\r
 210                     if (rect.TopLeft.col > lastCol)\r
 211                         leftCol = lastCol;\r
 212                     if (rect.TopRight.col > lastCol)\r
 213                         rightCol = lastCol;\r
 214                     int padding = rect.TopLeft.col - leftCol;\r
 215 \r
 216                     int StartIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, leftCol));\r
 217                     int EndIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, rightCol));\r
 218 \r
 219                     Selection sel;\r
 220                     sel = Selection.Create(StartIndex, EndIndex - StartIndex,padding);\r
 221 \r
 222                     this.Document.Selections.Add(sel);\r
 223                 }\r
 224             }\r
 225         }\r
 226 \r
 227         /// <summary>\r
 228         /// 単語単位で選択する\r
 229         /// </summary>\r
 230         /// <param name="index">探索を開始するインデックス</param>\r
 231         public void SelectWord(int index)\r
 232         {\r
 233             if (this.Document.FireUpdateEvent == false)\r
 234                 throw new InvalidOperationException("");\r
 235 \r
 236             if (this.Document.Length <= 0 || index >= this.Document.Length)\r
 237                 return;\r
 238 \r
 239             Document str = this.Document;\r
 240 \r
 241             int start = index;\r
 242             while (start > 0 && !Util.IsWordSeparator(str[start]))\r
 243                 start--;\r
 244 \r
 245             if (Util.IsWordSeparator(str[start]))\r
 246                 start++;\r
 247 \r
 248             int end = index;\r
 249             while (end < this.Document.Length && !Util.IsWordSeparator(str[end]))\r
 250                 end++;\r
 251 \r
 252             this.Select(start, end - start);\r
 253         }\r
 254 \r
 255         /// <summary>\r
 256         /// 選択範囲内のUTF32コードポイントを文字列に変換します\r
 257         /// </summary>\r
 258         /// <returns>成功した場合は真。そうでない場合は偽を返す</returns>\r
 259         public bool ConvertToChar()\r
 260         {\r
 261             if (this.SelectionLength == 0 || this.RectSelection)\r
 262                 return false;\r
 263             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 264             string[] codes = str.Split(new char[] { ' ' },StringSplitOptions.RemoveEmptyEntries);\r
 265             StringBuilder result = new StringBuilder();\r
 266             foreach (string code in codes)\r
 267             {\r
 268                 int utf32_code;\r
 269                 if (code[0] != 'U')\r
 270                     return false;\r
 271                 if (Int32.TryParse(code.TrimStart('U'),NumberStyles.HexNumber,null, out utf32_code))\r
 272                     result.Append(Char.ConvertFromUtf32(utf32_code));\r
 273                 else\r
 274                     return false;\r
 275             }\r
 276             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 277             return true;\r
 278         }\r
 279 \r
 280         /// <summary>\r
 281         /// 選択文字列をUTF32のコードポイントに変換します\r
 282         /// </summary>\r
 283         public void ConvertToCodePoint()\r
 284         {\r
 285             if (this.SelectionLength == 0 || this.RectSelection)\r
 286                 return;\r
 287             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 288             StringInfo info = new StringInfo(str);\r
 289             StringBuilder result = new StringBuilder();\r
 290             for (int i = 0; i < str.Length;)\r
 291             {\r
 292                 int utf32_code = Char.ConvertToUtf32(str, i); \r
 293                 result.Append("U" + Convert.ToString(utf32_code,16));\r
 294                 result.Append(' ');\r
 295                 if(Char.IsHighSurrogate(str[i]))\r
 296                     i += 2;\r
 297                 else\r
 298                     i++;\r
 299             }\r
 300             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 301         }\r
 302 \r
 303         /// <summary>\r
 304         /// 選択を解除する\r
 305         /// </summary>\r
 306         public void DeSelectAll()\r
 307         {\r
 308             if (this.Document.FireUpdateEvent == false)\r
 309                 throw new InvalidOperationException("");\r
 310 \r
 311             this.Document.Selections.Clear();\r
 312         }\r
 313 \r
 314         /// <summary>\r
 315         /// 任意のマーカーかどうか\r
 316         /// </summary>\r
 317         /// <param name="tp"></param>\r
 318         /// <param name="type"></param>\r
 319         /// <returns>真ならマーカーがある</returns>\r
 320         public bool IsMarker(TextPoint tp,HilightType type)\r
 321         {\r
 322             if (this.Document.FireUpdateEvent == false)\r
 323                 throw new InvalidOperationException("");\r
 324             int index = this.View.LayoutLines.GetIndexFromTextPoint(tp);\r
 325             return this.IsMarker(index, type);\r
 326         }\r
 327 \r
 328         /// <summary>\r
 329         /// 任意のマーカーかどうか判定する\r
 330         /// </summary>\r
 331         /// <param name="index"></param>\r
 332         /// <param name="type"></param>\r
 333         /// <returns>真ならマーカーがある</returns>\r
 334         public bool IsMarker(int index, HilightType type)\r
 335         {\r
 336             foreach (Marker m in this.Document.GetMarkers(index))\r
 337             {\r
 338                 if (m.hilight == type)\r
 339                     return true;\r
 340             }\r
 341             return false;\r
 342         }\r
 343 \r
 344         /// <summary>\r
 345         /// キャレット位置を再調整する\r
 346         /// </summary>\r
 347         public void AdjustCaret()\r
 348         {\r
 349             int row = this.View.CaretPostion.row;\r
 350             if (row > this.View.LayoutLines.Count - 1)\r
 351                 row = this.View.LayoutLines.Count - 1;\r
 352             int col = this.View.CaretPostion.col;\r
 353             if (col > 0 && col > this.View.LayoutLines[row].Length)\r
 354                 col = this.View.LayoutLines[row].Length;\r
 355             this.JumpCaret(row, col);\r
 356         }\r
 357 \r
 358         /// <summary>\r
 359         /// キャレットを指定した位置に移動させる\r
 360         /// </summary>\r
 361         /// <param name="index"></param>\r
 362         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 363         public void JumpCaret(int index,bool autoExpand = true)\r
 364         {\r
 365             if (index < 0 || index > this.Document.Length)\r
 366                 throw new ArgumentOutOfRangeException("indexが設定できる範囲を超えています");\r
 367             TextPoint tp = this.View.GetLayoutLineFromIndex(index);\r
 368 \r
 369             this.JumpCaret(tp.row, tp.col,autoExpand);\r
 370          }\r
 371 \r
 372         /// <summary>\r
 373         /// キャレットを指定した位置に移動させる\r
 374         /// </summary>\r
 375         /// <param name="row"></param>\r
 376         /// <param name="col"></param>\r
 377         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 378         public void JumpCaret(int row, int col, bool autoExpand = true)\r
 379         {\r
 380             if (this.Document.FireUpdateEvent == false)\r
 381                 throw new InvalidOperationException("");\r
 382 \r
 383             this.View.JumpCaret(row, col,autoExpand);\r
 384 \r
 385             this.View.AdjustCaretAndSrc();\r
 386 \r
 387             this.SelectWithMoveCaret(false);\r
 388 \r
 389             this.CaretMoved(this, null);\r
 390         }\r
 391 \r
 392         /// <summary>\r
 393         /// ドキュメントの先頭に移動する\r
 394         /// </summary>\r
 395         /// <param name="isSelected"></param>\r
 396         public void JumpToHead(bool isSelected)\r
 397         {\r
 398             if (this.View.TryScroll(0, 0))\r
 399                 return;\r
 400             this.View.JumpCaret(0, 0);\r
 401             this.View.AdjustCaretAndSrc();\r
 402             this.SelectWithMoveCaret(isSelected);\r
 403             this.CaretMoved(this, null);\r
 404         }\r
 405 \r
 406         /// <summary>\r
 407         /// ドキュメントの終わりにに移動する\r
 408         /// </summary>\r
 409         /// <param name="isSelected"></param>\r
 410         public void JumpToEnd(bool isSelected)\r
 411         {\r
 412             int srcRow = this.View.LayoutLines.Count - this.View.LineCountOnScreen - 1;\r
 413             if(srcRow < 0)\r
 414                 srcRow = 0;\r
 415             if (this.View.TryScroll(0, srcRow))\r
 416                 return;\r
 417             this.View.JumpCaret(this.View.LayoutLines.Count - 1, 0);\r
 418             this.View.AdjustCaretAndSrc();\r
 419             this.SelectWithMoveCaret(isSelected);\r
 420             this.CaretMoved(this, null);\r
 421         }\r
 422 \r
 423         /// <summary>\r
 424         /// スクロールする\r
 425         /// </summary>\r
 426         /// <param name="dir">方向を指定する</param>\r
 427         /// <param name="delta">スクロールする量。ScrollDirectionの値がUpやDownなら行数。LeftやRightならピクセル単位の値となる</param>\r
 428         /// <param name="isSelected">選択状態にするなら真</param>\r
 429         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 430         public void Scroll(ScrollDirection dir, int delta, bool isSelected,bool withCaret)\r
 431         {\r
 432             if (this.Document.FireUpdateEvent == false)\r
 433                 throw new InvalidOperationException("");\r
 434             int toRow = this.View.Src.Row;\r
 435             double toX = this.View.Src.X;\r
 436             switch (dir)\r
 437             {\r
 438                 case ScrollDirection.Up:\r
 439                     toRow = Math.Max(0, this.View.Src.Row - delta);\r
 440                     toRow = this.View.AdjustRow(toRow, false);\r
 441                     break;\r
 442                 case ScrollDirection.Down:\r
 443                     toRow = Math.Min(this.View.Src.Row + delta, this.View.LayoutLines.Count - 1);\r
 444                     toRow = this.View.AdjustRow(toRow, true);\r
 445                     break;\r
 446                 case ScrollDirection.Left:\r
 447                     toX -= delta;\r
 448                     break;\r
 449                 case ScrollDirection.Right:\r
 450                     toX += delta;\r
 451                     break;\r
 452                 default:\r
 453                     throw new ArgumentOutOfRangeException();\r
 454             }\r
 455             this.Scroll(toX, toRow, isSelected, withCaret);\r
 456         }\r
 457 \r
 458         /// <summary>\r
 459         /// スクロールする\r
 460         /// </summary>\r
 461         /// <param name="toX">スクロール先の座標</param>\r
 462         /// <param name="toRow">スクロール先の行</param>\r
 463         /// <param name="isSelected">選択状態にするなら真</param>\r
 464         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 465         public void Scroll(double toX, int toRow, bool isSelected, bool withCaret)\r
 466         {\r
 467             if (withCaret)\r
 468             {\r
 469                 this.View.Scroll(toX, toRow);\r
 470                 this.View.JumpCaret(toRow, 0);\r
 471                 this.View.AdjustCaretAndSrc();\r
 472                 this.SelectWithMoveCaret(isSelected);\r
 473                 this.CaretMoved(this, null);\r
 474             }\r
 475             else\r
 476             {\r
 477                 this.View.Scroll(toX, toRow);\r
 478                 this.View.HideCaret = true;\r
 479             }\r
 480         }\r
 481 \r
 482         /// <summary>\r
 483         /// キャレットを動かすことができるかどうか\r
 484         /// </summary>\r
 485         /// <param name="realLength"></param>\r
 486         /// <param name="flow"></param>\r
 487         /// <returns>移動できるなら真。そうでないなら偽</returns>\r
 488         public bool IsCanMoveCaret(int realLength,MoveFlow flow)\r
 489         {\r
 490             LineToIndexTableData lineData = this.View.LayoutLines.GetData(this.View.CaretPostion.row);\r
 491             int index = lineData.Index + this.View.CaretPostion.col;\r
 492             int documentEndIndex = this.Document.Length - 1;\r
 493             FoldingItem foldingData = this.View.LayoutLines.FoldingCollection.GetFarestHiddenFoldingData(index, lineData.Length);\r
 494             if (foldingData != null && !foldingData.Expand && foldingData.End == documentEndIndex)\r
 495             {\r
 496                 documentEndIndex = lineData.Index + lineData.Length - 1;\r
 497                 if (this.Document[documentEndIndex] == Document.NewLine)\r
 498                     documentEndIndex--;\r
 499             }\r
 500 \r
 501             if (flow == MoveFlow.Vertical)\r
 502             {\r
 503                 if (realLength < 0 && index == 0)\r
 504                     return false;\r
 505                 else if (realLength > 0 && index >= documentEndIndex)\r
 506                     return false;\r
 507             }\r
 508             else if (flow == MoveFlow.Horizontical)\r
 509             {\r
 510                 bool IncrimentCaret = realLength > 0;\r
 511                 if (this.View.render.RightToLeft)\r
 512                     IncrimentCaret = !IncrimentCaret;\r
 513                 if (!IncrimentCaret && index == 0)\r
 514                     return false;\r
 515                 else if (IncrimentCaret && index > documentEndIndex)\r
 516                     return false;                \r
 517             }\r
 518             return true;\r
 519         }\r
 520 \r
 521         /// <summary>\r
 522         /// キャレットを桁方向に移動させる\r
 523         /// </summary>\r
 524         /// <returns>移動できない場合は真を返す</returns>\r
 525         /// <param name="realLength">負の値なら左側へ、そうでないなら右側へ移動する</param>\r
 526         /// <param name="isSelected">選択範囲とするなら真。そうでないなら偽</param>\r
 527         /// <param name="alignWord">単語単位で移動するなら真。そうでないなら偽</param>\r
 528         public void MoveCaretHorizontical(int realLength, bool isSelected,bool alignWord = false)\r
 529         {\r
 530             for (int i = Math.Abs(realLength); i > 0; i--)\r
 531             {\r
 532                 bool MoveFlow = realLength > 0;\r
 533                 if (this.View.render.RightToLeft)\r
 534                     MoveFlow = !MoveFlow;\r
 535                 this.MoveCaretHorizontical(MoveFlow);\r
 536 \r
 537                 if (alignWord)\r
 538                     this.AlignNearestWord(MoveFlow);\r
 539             }\r
 540             this.View.AdjustCaretAndSrc(AdjustFlow.Col);\r
 541             this.SelectWithMoveCaret(isSelected);\r
 542             this.CaretMoved(this, null);\r
 543         }\r
 544 \r
 545         void AlignNearestWord(bool MoveFlow)\r
 546         {\r
 547             string str = this.View.LayoutLines[this.View.CaretPostion.row];\r
 548             while (this.View.CaretPostion.col > 0 &&\r
 549                 this.View.CaretPostion.col < str.Length &&\r
 550                 str[this.View.CaretPostion.col] != Document.NewLine)\r
 551             {\r
 552                 if (!Util.IsWordSeparator(str[this.View.CaretPostion.col]))\r
 553                 {\r
 554                     this.MoveCaretHorizontical(MoveFlow);\r
 555                 }\r
 556                 else\r
 557                 {\r
 558                     if(MoveFlow)\r
 559                         this.MoveCaretHorizontical(MoveFlow);\r
 560                     break;\r
 561                 }\r
 562             }\r
 563         }\r
 564 \r
 565         /// <summary>\r
 566         /// キャレットを行方向に移動させる\r
 567         /// </summary>\r
 568         /// <returns>再描写する必要があるなら真を返す</returns>\r
 569         /// <param name="deltarow">移動量</param>\r
 570         /// <param name="isSelected"></param>\r
 571         public void MoveCaretVertical(int deltarow,bool isSelected)\r
 572         {\r
 573             for (int i = Math.Abs(deltarow); i > 0; i--)\r
 574                 this.MoveCaretVertical(deltarow > 0);\r
 575             this.View.AdjustCaretAndSrc(AdjustFlow.Both);\r
 576             this.SelectWithMoveCaret(isSelected);\r
 577             this.CaretMoved(this, null);\r
 578         }\r
 579 \r
 580         /// <summary>\r
 581         /// キャレット位置の文字を一文字削除する\r
 582         /// </summary>\r
 583         public void DoDeleteAction()\r
 584         {\r
 585             if (this.SelectionLength != 0)\r
 586             {\r
 587                 this.SelectedText = "";\r
 588                 return;\r
 589             }\r
 590             \r
 591             if (this.Document.FireUpdateEvent == false)\r
 592                 throw new InvalidOperationException("");\r
 593 \r
 594             TextPoint CaretPostion = this.View.CaretPostion;\r
 595             int index = this.View.GetIndexFromLayoutLine(CaretPostion);\r
 596 \r
 597             if (index == this.Document.Length)\r
 598                 return;\r
 599 \r
 600             LineToIndexTableData currentLine = this.View.LayoutLines.GetData(CaretPostion.row);\r
 601 \r
 602             int next = currentLine.Layout.AlignIndexToNearestCluster(CaretPostion.col, AlignDirection.Forward) + currentLine.Index;\r
 603 \r
 604             if (this.Document[index] == Document.NewLine)\r
 605                 next = index + 1;\r
 606 \r
 607             this.Document.Replace(index, next - index, "");\r
 608         }\r
 609 \r
 610         /// <summary>\r
 611         /// キャレット位置の文字を一文字削除し、キャレット位置を後ろにずらす\r
 612         /// </summary>\r
 613         public void DoBackSpaceAction()\r
 614         {\r
 615             if (this.View.InsertPoint != null)\r
 616             {\r
 617                 this.ReplaceBeforeSelectionArea(this.Document.Selections, 1, "");\r
 618                 return;\r
 619             }\r
 620             else if (this.SelectionLength > 0)\r
 621             {\r
 622                 this.SelectedText = "";\r
 623                 return;\r
 624             }\r
 625 \r
 626             if (this.Document.FireUpdateEvent == false)\r
 627                 throw new InvalidOperationException("");\r
 628 \r
 629             TextPoint CurrentPostion = this.View.CaretPostion;\r
 630 \r
 631             if (CurrentPostion.row == 0 && CurrentPostion.col == 0)\r
 632                 return;\r
 633 \r
 634             int oldIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 635 \r
 636             int newCol, newIndex;\r
 637             if (CurrentPostion.col > 0)\r
 638             {\r
 639                 newCol = this.View.LayoutLines.GetData(CurrentPostion.row).Layout.AlignIndexToNearestCluster(CurrentPostion.col - 1, AlignDirection.Back);\r
 640                 newIndex = this.View.GetIndexFromLayoutLine(new TextPoint(CurrentPostion.row, newCol));\r
 641             }\r
 642             else\r
 643             {\r
 644                 newIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 645                 newIndex--;\r
 646             }\r
 647 \r
 648             this.Document.Replace(newIndex, oldIndex - newIndex, "");\r
 649         }\r
 650 \r
 651         /// <summary>\r
 652         /// キャレット位置で行を分割する\r
 653         /// </summary>\r
 654         public void DoEnterAction()\r
 655         {            \r
 656             this.DoInputChar('\n');\r
 657         }\r
 658 \r
 659         /// <summary>\r
 660         /// キャレット位置に文字を入力し、その分だけキャレットを進める。isInsertModeの値により動作が変わります\r
 661         /// </summary>\r
 662         /// <param name="ch"></param>\r
 663         public void DoInputChar(char ch)\r
 664         {\r
 665             this.DoInputString(ch.ToString());\r
 666         }\r
 667 \r
 668         /// <summary>\r
 669         /// キャレット位置に文字列を挿入し、その分だけキャレットを進める。isInsertModeの値により動作が変わります\r
 670         /// </summary>\r
 671         /// <param name="str"></param>\r
 672         /// <param name="fromTip"></param>\r
 673         public void DoInputString(string str,bool fromTip = false)\r
 674         {\r
 675             if (this.View.InsertPoint != null)\r
 676             {\r
 677                 this.ReplaceBeforeSelectionArea(this.Document.Selections, 0, str);\r
 678                 return;\r
 679             }\r
 680             else if (this.SelectionLength != 0)\r
 681             {\r
 682                 this.RepleaceSelectionArea(this.Document.Selections, str, fromTip);\r
 683                 return;\r
 684             }\r
 685 \r
 686             if (this.Document.FireUpdateEvent == false)\r
 687                 throw new InvalidOperationException("");\r
 688 \r
 689             int index = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 690             int length = 0;\r
 691             if (this.View.InsertMode == false && index < this.Document.Length && this.Document[index] != Document.NewLine)\r
 692             {\r
 693                 TextPoint CaretPos = this.View.CaretPostion;\r
 694                 string lineString = this.View.LayoutLines[CaretPos.row];\r
 695                 int end = this.View.LayoutLines.GetData(CaretPos.row).Layout.AlignIndexToNearestCluster(CaretPos.col + str.Length - 1, AlignDirection.Forward);\r
 696                 if (end > lineString.Length - 1)\r
 697                     end = lineString.Length - 1;\r
 698                 end += this.View.LayoutLines.GetData(CaretPos.row).Index;\r
 699                 length = end - index;\r
 700             }\r
 701             if (str == Document.NewLine.ToString())\r
 702             {\r
 703                 LineToIndexTableData lineData = this.View.LayoutLines.GetData(this.View.CaretPostion.row);\r
 704                 FoldingItem foldingData = this.View.LayoutLines.FoldingCollection.GetFarestHiddenFoldingData(lineData.Index, lineData.Length);\r
 705                 if (foldingData != null && !foldingData.Expand && index > foldingData.Start && index <= foldingData.End)\r
 706                     index = foldingData.End + 1;\r
 707             }\r
 708             this.Document.Replace(index, length, str);\r
 709         }\r
 710 \r
 711         /// <summary>\r
 712         /// キャレットの移動に合わせて選択する\r
 713         /// </summary>\r
 714         /// <param name="isSelected">選択状態にするかどうか</param>\r
 715         /// <remarks>\r
 716         /// キャレットを移動後、このメソッドを呼び出さない場合、Select()メソッドは正常に機能しません\r
 717         /// </remarks>\r
 718         void SelectWithMoveCaret(bool isSelected)\r
 719         {\r
 720             if (this.View.CaretPostion.col < 0 || this.View.CaretPostion.row < 0)\r
 721                 return;\r
 722 \r
 723             if (this.Document.FireUpdateEvent == false)\r
 724                 throw new InvalidOperationException("");\r
 725 \r
 726             int CaretPostion = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 727             \r
 728             SelectCollection Selections = this.Document.Selections;\r
 729             if (isSelected)\r
 730                 this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 731             else\r
 732             {\r
 733                 this.Document.Selections.Clear();\r
 734                 this.AnchorIndex = CaretPostion;\r
 735                 this.View.InsertPoint = null;\r
 736             }\r
 737         }\r
 738 \r
 739         /// <summary>\r
 740         /// JumpCaretで移動した位置からキャレットを移動し、選択状態にする\r
 741         /// </summary>\r
 742         /// <param name="tp"></param>\r
 743         public void MoveCaretAndSelect(TextPoint tp)\r
 744         {\r
 745             int CaretPostion = this.View.GetIndexFromLayoutLine(tp);\r
 746             this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 747             this.View.JumpCaret(tp.row, tp.col);\r
 748             this.View.AdjustCaretAndSrc();\r
 749         }\r
 750 \r
 751         public void MoveSelectBefore(TextPoint tp)\r
 752         {\r
 753             int NewAnchorIndex;\r
 754             int SelectionLength;\r
 755             if (this.IsReverseSelect())\r
 756             {\r
 757                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 758                 SelectionLength = this.SelectionLength + NewAnchorIndex - this.AnchorIndex;\r
 759                 this.Select(this.SelectionStart, SelectionLength);\r
 760             }\r
 761             else\r
 762             {\r
 763                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 764                 SelectionLength = this.SelectionLength + this.AnchorIndex - NewAnchorIndex;\r
 765                 this.Select(NewAnchorIndex, SelectionLength);\r
 766             }\r
 767             this.AnchorIndex = NewAnchorIndex;\r
 768         }\r
 769 \r
 770         /// <summary>\r
 771         /// キャレット位置を既定の位置に戻す\r
 772         /// </summary>\r
 773         public void ResetCaretPostion()\r
 774         {\r
 775             this.JumpCaret(0);\r
 776         }\r
 777 \r
 778         /// <summary>\r
 779         /// 行単位で移動後のキャレット位置を取得する\r
 780         /// </summary>\r
 781         /// <param name="count">移動量</param>\r
 782         /// <param name="current">現在のキャレット位置</param>\r
 783         /// <returns>移動後のキャレット位置</returns>\r
 784         public TextPoint GetTextPointAfterMoveLine(int count, TextPoint current)\r
 785         {\r
 786             int row = current.row + count;\r
 787 \r
 788             if (row < 0)\r
 789                 row = 0;\r
 790             else if (row >= this.View.LayoutLines.Count)\r
 791                 row = this.View.LayoutLines.Count - 1;\r
 792 \r
 793             row = this.View.AdjustRow(row, count > 0);\r
 794 \r
 795             double x = this.View.GetXFromIndex(current.row, current.col);\r
 796             int col = this.View.GetIndexFromX(row, x);\r
 797 \r
 798             return new TextPoint(row, col);\r
 799         }\r
 800 \r
 801         /// <summary>\r
 802         /// キャレットを一文字移動させる\r
 803         /// </summary>\r
 804         /// <param name="isMoveNext">真なら１文字すすめ、そうでなければ戻す</param>\r
 805         /// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>\r
 806         void MoveCaretHorizontical(bool isMoveNext)\r
 807         {\r
 808             if (this.Document.FireUpdateEvent == false)\r
 809                 throw new InvalidOperationException("");\r
 810             int delta = isMoveNext ? 0 : -1;\r
 811             int prevcol = this.View.CaretPostion.col;\r
 812             int col = this.View.CaretPostion.col + delta;\r
 813             string lineString = this.View.LayoutLines[this.View.CaretPostion.row];\r
 814             if (col < 0 || this.View.CaretPostion.row >= this.View.LayoutLines.Count)\r
 815             {\r
 816                 if (this.View.CaretPostion.row == 0)\r
 817                 {\r
 818                     col = 0;\r
 819                     return;\r
 820                 }\r
 821                 this.MoveCaretVertical(false);\r
 822                 this.View.AdjustCaretAndSrc(AdjustFlow.Row);  //この段階で調整しないとスクロールされない\r
 823                 col = this.View.LayoutLines.GetData(this.View.CaretPostion.row).Length - 1;  //最終行以外はすべて改行コードが付くはず\r
 824             }\r
 825             else if (col >= lineString.Length || lineString[col] == Document.NewLine)\r
 826             {\r
 827                 if (this.View.CaretPostion.row < this.View.LayoutLines.Count - 1)\r
 828                 {\r
 829                     this.MoveCaretVertical(true);\r
 830                     this.View.AdjustCaretAndSrc(AdjustFlow.Row);  //この段階で調整しないとスクロールされない\r
 831                     col = 0;\r
 832                 }\r
 833             }\r
 834             else\r
 835             {\r
 836                 AlignDirection direction = isMoveNext ? AlignDirection.Forward : AlignDirection.Back;\r
 837                 col = this.View.LayoutLines.GetData(this.View.CaretPostion.row).Layout.AlignIndexToNearestCluster(col, direction);\r
 838             }\r
 839 \r
 840             this.View.JumpCaret(this.View.CaretPostion.row, col,false);\r
 841         }\r
 842 \r
 843         /// <summary>\r
 844         /// キャレットを行方向に移動させる\r
 845         /// </summary>\r
 846         /// <param name="isMoveNext">プラス方向に移動するなら真</param>\r
 847         /// <remarks>このメソッドを呼び出した後でScrollToCaretメソッドとSelectWithMoveCaretメソッドを呼び出す必要があります</remarks>\r
 848         void MoveCaretVertical(bool isMoveNext)\r
 849         {\r
 850             if (this.Document.FireUpdateEvent == false)\r
 851                 throw new InvalidOperationException("");\r
 852 \r
 853             TextPoint nextPoint = this.GetTextPointAfterMoveLine(isMoveNext ? 1 : -1, this.View.CaretPostion);\r
 854             \r
 855             this.View.JumpCaret(nextPoint.row, nextPoint.col,false);\r
 856         }\r
 857 \r
 858         private void ReplaceBeforeSelectionArea(SelectCollection Selections, int removeLength, string insertStr)\r
 859         {\r
 860             if (removeLength == 0 && insertStr.Length == 0)\r
 861                 return;\r
 862 \r
 863             if (this.RectSelection == false || this.Document.FireUpdateEvent == false)\r
 864                 throw new InvalidOperationException();\r
 865 \r
 866             SelectCollection temp = this.View.InsertPoint;\r
 867             int selectStart = temp.First().start;\r
 868             int selectEnd = temp.Last().start + temp.Last().length;\r
 869 \r
 870             //ドキュメント操作後に行うとうまくいかないので、あらかじめ取得しておく\r
 871             TextPoint start = this.View.LayoutLines.GetTextPointFromIndex(selectStart);\r
 872             TextPoint end = this.View.LayoutLines.GetTextPointFromIndex(selectEnd);\r
 873 \r
 874             bool reverse = temp.First().start > temp.Last().start;\r
 875 \r
 876             int lineHeadIndex = this.View.LayoutLines.GetIndexFromLineNumber(this.View.LayoutLines.GetLineNumberFromIndex(selectStart));\r
 877             if (selectStart - removeLength < lineHeadIndex)\r
 878                 return;\r
 879 \r
 880             this.Document.UndoManager.BeginUndoGroup();\r
 881             this.Document.FireUpdateEvent = false;\r
 882 \r
 883             if (reverse)\r
 884             {\r
 885                 for (int i = 0; i < temp.Count; i++)\r
 886                 {\r
 887                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 888                 }\r
 889             }\r
 890             else\r
 891             {\r
 892                 for (int i = temp.Count - 1; i >= 0; i--)\r
 893                 {\r
 894                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 895                 }\r
 896             }\r
 897 \r
 898             this.Document.FireUpdateEvent = true;\r
 899             this.Document.UndoManager.EndUndoGroup();\r
 900 \r
 901             int delta = insertStr.Length - removeLength;\r
 902             start.col += delta;\r
 903             end.col += delta;\r
 904 \r
 905             if (reverse)\r
 906                 this.JumpCaret(start.row, start.col);\r
 907             else\r
 908                 this.JumpCaret(end.row, end.col);\r
 909             \r
 910             this.Select(start, 0, end.row - start.row);\r
 911         }\r
 912 \r
 913         private void ReplaceBeforeSelection(Selection sel, int removeLength, string insertStr)\r
 914         {\r
 915             sel = Util.NormalizeIMaker<Selection>(sel);\r
 916             insertStr = Util.Generate(' ', sel.padding) + insertStr;\r
 917             this.Document.Replace(sel.start - removeLength, removeLength, insertStr);\r
 918         }\r
 919 \r
 920         private void RepleaceSelectionArea(SelectCollection Selections, string value,bool updateInsertPoint = false)\r
 921         {\r
 922             if (value == null)\r
 923                 return;\r
 924 \r
 925             if (this.RectSelection == false)\r
 926             {\r
 927                 string str = value.Replace(Environment.NewLine, Document.NewLine.ToString());\r
 928 \r
 929                 Selection sel = Selection.Create(this.AnchorIndex, 0);\r
 930                 if (Selections.Count > 0)\r
 931                     sel = Util.NormalizeIMaker<Selection>(this.Document.Selections.First());\r
 932 \r
 933                 this.Document.Replace(sel.start, sel.length, str);\r
 934                 return;\r
 935             }\r
 936 \r
 937             if (this.Document.FireUpdateEvent == false)\r
 938                 throw new InvalidOperationException("");\r
 939 \r
 940             int StartIndex = this.SelectionStart;\r
 941 \r
 942             SelectCollection newInsertPoint = new SelectCollection();\r
 943 \r
 944             if (this.SelectionLength == 0)\r
 945             {\r
 946                 int i;\r
 947 \r
 948                 this.Document.UndoManager.BeginUndoGroup();\r
 949 \r
 950                 this.Document.FireUpdateEvent = false;\r
 951 \r
 952                 string[] line = value.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);\r
 953 \r
 954                 TextPoint Current = this.View.GetLayoutLineFromIndex(this.SelectionStart);\r
 955 \r
 956                 for (i = 0; i < line.Length && Current.row < this.View.LayoutLines.Count; i++, Current.row++)\r
 957                 {\r
 958                     if (Current.col > this.View.LayoutLines[Current.row].Length)\r
 959                         Current.col = this.View.LayoutLines[Current.row].Length;\r
 960                     StartIndex = this.View.GetIndexFromLayoutLine(Current);\r
 961                     this.Document.Replace(StartIndex, 0, line[i]);\r
 962                     StartIndex += line[i].Length;\r
 963                 }\r
 964 \r
 965                 for (; i < line.Length; i++)\r
 966                 {\r
 967                     StartIndex = this.Document.Length;\r
 968                     string str = Document.NewLine + line[i];\r
 969                     this.Document.Replace(StartIndex, 0, str);\r
 970                     StartIndex += str.Length;\r
 971                 }\r
 972 \r
 973                 this.Document.FireUpdateEvent = true;\r
 974 \r
 975                 this.Document.UndoManager.EndUndoGroup();\r
 976             }\r
 977             else\r
 978             {\r
 979                 SelectCollection temp = new SelectCollection(this.Document.Selections); //コピーしないとReplaceCommandを呼び出した段階で書き換えられてしまう\r
 980 \r
 981                 this.Document.UndoManager.BeginUndoGroup();\r
 982 \r
 983                 this.Document.FireUpdateEvent = false;\r
 984 \r
 985                 if (temp.First().start < temp.Last().start)\r
 986                 {\r
 987                     for (int i = temp.Count - 1; i >= 0; i--)\r
 988                     {\r
 989                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
 990 \r
 991                         StartIndex = sel.start;\r
 992 \r
 993                         this.Document.Replace(sel.start, sel.length, value);\r
 994 \r
 995                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i,0));\r
 996                     }\r
 997                 }\r
 998                 else\r
 999                 {\r
1000                     for (int i = 0; i < temp.Count; i++)\r
1001                     {\r
1002                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
1003 \r
1004                         StartIndex = sel.start;\r
1005 \r
1006                         this.Document.Replace(sel.start, sel.length, value);\r
1007 \r
1008                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i, 0));\r
1009                     }\r
1010                 }\r
1011 \r
1012                 this.Document.FireUpdateEvent = true;\r
1013 \r
1014                 this.Document.UndoManager.EndUndoGroup();\r
1015             }\r
1016             this.JumpCaret(StartIndex);\r
1017             if (updateInsertPoint && newInsertPoint.Count > 0)\r
1018                 this.View.InsertPoint = newInsertPoint;\r
1019         }\r
1020 \r
1021         private string GetTextFromLineSelectArea(SelectCollection Selections)\r
1022         {\r
1023             Selection sel = Util.NormalizeIMaker<Selection>(Selections.First());\r
1024 \r
1025             string str = this.Document.ToString(sel.start, sel.length).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
1026 \r
1027             return str;\r
1028         }\r
1029 \r
1030         string GetTextFromRectangleSelectArea(SelectCollection Selections)\r
1031         {\r
1032             StringBuilder temp = new StringBuilder();\r
1033             if (Selections.First().start < Selections.Last().start)\r
1034             {\r
1035                 for (int i = 0; i < this.Document.Selections.Count; i++)\r
1036                 {\r
1037                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1038 \r
1039                     string str = this.Document.ToString(sel.start, sel.length).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
1040                     if (str.IndexOf(Environment.NewLine) == -1)\r
1041                         temp.AppendLine(str);\r
1042                     else\r
1043                         temp.Append(str);\r
1044                 }\r
1045             }\r
1046             else\r
1047             {\r
1048                 for (int i = this.Document.Selections.Count - 1; i >= 0; i--)\r
1049                 {\r
1050                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1051 \r
1052                     string str = this.Document.ToString(sel.start, sel.length).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
1053                     if (str.IndexOf(Environment.NewLine) == -1)\r
1054                         temp.AppendLine(str);\r
1055                     else\r
1056                         temp.Append(str);\r
1057                 }\r
1058             }\r
1059             return temp.ToString();\r
1060         }\r
1061 \r
1062         void View_LineBreakChanged(object sender, EventArgs e)\r
1063         {\r
1064             this.DeSelectAll();\r
1065             this.AdjustCaret();\r
1066         }\r
1067 \r
1068         void View_PageBoundChanged(object sender, EventArgs e)\r
1069         {\r
1070             if (this.View.LineBreak == LineBreakMethod.PageBound && this.View.PageBound.Width - this.View.LineBreakingMarginWidth > 0)\r
1071                 this.View.PerfomLayouts();\r
1072             this.AdjustCaret();\r
1073         }\r
1074 \r
1075         void render_ChangedRenderResource(object sender, ChangedRenderRsourceEventArgs e)\r
1076         {\r
1077             if (e.type == ResourceType.Font)\r
1078             {\r
1079                 if (this.View.LineBreak != LineBreakMethod.None)\r
1080                     this.View.PerfomLayouts();\r
1081                 this.AdjustCaret();\r
1082             }\r
1083         }\r
1084 \r
1085         void render_ChangedRightToLeft(object sender, EventArgs e)\r
1086         {\r
1087             this.AdjustCaret();\r
1088         }\r
1089 \r
1090         void Document_Update(object sender, DocumentUpdateEventArgs e)\r
1091         {\r
1092             switch (e.type)\r
1093             {\r
1094                 case UpdateType.Replace:\r
1095                     this.JumpCaret(e.startIndex + e.insertLength,true);\r
1096                     break;\r
1097                 case UpdateType.Clear:\r
1098                     this.View.TryScroll(0, 0);\r
1099                     break;\r
1100             }\r
1101         }\r
1102 \r
1103         void Document_Progress(object sender, ProgressEventArgs e)\r
1104         {\r
1105             if (e.state == ProgressState.Complete)\r
1106                 this.JumpCaret(0);\r
1107         }\r
1108     }\r
1109 }\r