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 \r
  36     /// <summary>\r
  37     /// インデントの方法を表す\r
  38     /// </summary>\r
  39     public enum IndentMode\r
  40     {\r
  41         Tab,\r
  42         Space,\r
  43     }\r
  44 \r
  45     /// <summary>\r
  46     /// 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
  47     /// </summary>\r
  48     internal sealed class Controller\r
  49     {\r
  50         EditView View;\r
  51         Document Document;\r
  52         int AnchorIndex;\r
  53         \r
  54         public Controller(Document doc, EditView view)\r
  55         {\r
  56             this.Document = doc;\r
  57             this.Document.Update += new DocumentUpdateEventHandler(Document_Update);\r
  58             this.View = view;\r
  59             this.View.render.ChangedRightToLeft += render_ChangedRightToLeft;\r
  60             this.View.render.ChangedRenderResource += render_ChangedRenderResource;\r
  61             this.View.PerformLayouted += View_LineBreakChanged;\r
  62             this.View.PageBoundChanged += View_PageBoundChanged;\r
  63             this.SelectionChanged += new EventHandler((s, e) => { });\r
  64             this.Document.Clear();\r
  65         }\r
  66 \r
  67         /// <summary>\r
  68         /// 選択領域変更時に通知される\r
  69         /// </summary>\r
  70         public event EventHandler SelectionChanged;\r
  71 \r
  72         /// <summary>\r
  73         /// 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
  74         /// </summary>\r
  75         public bool RectSelection\r
  76         {\r
  77             get;\r
  78             set;\r
  79         }\r
  80 \r
  81         /// <summary>\r
  82         /// インデントの方法を表す\r
  83         /// </summary>\r
  84         public IndentMode IndentMode\r
  85         {\r
  86             get;\r
  87             set;\r
  88         }\r
  89 \r
  90         /// <summary>\r
  91         /// 選択範囲の開始位置\r
  92         /// </summary>\r
  93         /// <remarks>SelectionLengthが0の場合、キャレット位置を表します</remarks>\r
  94         public int SelectionStart\r
  95         {\r
  96             get\r
  97             {\r
  98                 if (this.View.Selections.Count == 0)\r
  99                     return this.AnchorIndex;\r
 100                 else\r
 101                     return this.View.Selections.First().start;\r
 102             }\r
 103         }\r
 104 \r
 105         /// <summary>\r
 106         /// 選択範囲の長さ\r
 107         /// </summary>\r
 108         /// <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
 109         public int SelectionLength\r
 110         {\r
 111             get\r
 112             {\r
 113                 if (this.View.Selections.Count == 0)\r
 114                     return 0;\r
 115                 Selection last = this.View.Selections.Last();\r
 116                 return last.start + last.length - this.SelectionStart;\r
 117             }\r
 118         }\r
 119 \r
 120         /// <summary>\r
 121         /// 選択範囲内の文字列を返す\r
 122         /// </summary>\r
 123         /// <remarks>\r
 124         /// 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
 125         /// </remarks>\r
 126         public string SelectedText\r
 127         {\r
 128             get\r
 129             {\r
 130                 if (this.View.LayoutLines.Count == 0 || this.View.Selections.Count == 0)\r
 131                     return null;\r
 132                 if (this.RectSelection)\r
 133                     return GetTextFromRectangleSelectArea(this.View.Selections);\r
 134                 else\r
 135                     return GetTextFromLineSelectArea(this.View.Selections).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
 136             }\r
 137             set\r
 138             {\r
 139                 if (this.Document.FireUpdateEvent == false)\r
 140                     throw new InvalidOperationException("");\r
 141                 if (value == null)\r
 142                     return;\r
 143                 this.RepleaceSelectionArea(this.View.Selections, value.Replace(Environment.NewLine,Document.NewLine.ToString()));\r
 144             }\r
 145         }\r
 146 \r
 147         /// <summary>\r
 148         /// 選択範囲が逆転しているかどうかを判定する\r
 149         /// </summary>\r
 150         /// <returns>逆転しているなら真を返す</returns>\r
 151         public bool IsReverseSelect()\r
 152         {\r
 153             int index = this.View.LayoutLines.GetIndexFromTextPoint(this.View.CaretPostion);\r
 154             return index < this.AnchorIndex;\r
 155         }\r
 156 \r
 157         /// <summary>\r
 158         /// 指定された範囲を選択する\r
 159         /// </summary>\r
 160         /// <param name="start"></param>\r
 161         /// <param name="length"></param>\r
 162         /// <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
 163         public void Select(int start, int length)\r
 164         {\r
 165             if (this.Document.FireUpdateEvent == false)\r
 166                 throw new InvalidOperationException("");\r
 167             if (start < 0 || start + length < 0 || start + length > this.Document.Length)\r
 168                 throw new ArgumentOutOfRangeException("startかendが指定できる範囲を超えてます");\r
 169             this.View.Selections.Clear();\r
 170             if (length < 0)\r
 171             {\r
 172                 int oldStart = start;\r
 173                 start += length;\r
 174                 length = oldStart - start;\r
 175             }\r
 176             if (this.RectSelection && length != 0)\r
 177             {\r
 178                 TextPoint startTextPoint = this.View.GetLayoutLineFromIndex(start);\r
 179                 TextPoint endTextPoint = this.View.GetLayoutLineFromIndex(start + length);\r
 180                 this.SelectByRectangle(new TextRectangle(startTextPoint, endTextPoint));\r
 181                 if (startTextPoint.col == endTextPoint.col)\r
 182                     this.View.InsertPoint = new SelectCollection(this.View.Selections);\r
 183                 else\r
 184                     this.View.InsertPoint = null;\r
 185             }\r
 186             else if(length != 0)\r
 187             {\r
 188                 this.View.Selections.Add(Selection.Create(start, length));\r
 189                 this.View.InsertPoint = null;\r
 190             }\r
 191             this.SelectionChanged(this, null);\r
 192         }\r
 193 \r
 194         public void Select(TextPoint tp, int width, int height)\r
 195         {\r
 196             if (this.Document.FireUpdateEvent == false || !this.RectSelection)\r
 197                 throw new InvalidOperationException("");\r
 198             TextPoint end = tp;\r
 199 \r
 200             end.row = tp.row + height;\r
 201             end.col = tp.col + width;\r
 202             \r
 203             if (end.row > this.View.LayoutLines.Count - 1)\r
 204                 throw new ArgumentOutOfRangeException("");\r
 205             \r
 206             this.View.Selections.Clear();\r
 207             \r
 208             this.SelectByRectangle(new TextRectangle(tp,end));\r
 209             \r
 210             if (width == 0)\r
 211                 this.View.InsertPoint = new SelectCollection(this.View.Selections);\r
 212             else\r
 213                 this.View.InsertPoint = null;\r
 214 \r
 215             this.SelectionChanged(this, null);\r
 216         }\r
 217 \r
 218         private void SelectByRectangle(TextRectangle rect)\r
 219         {\r
 220             if (this.Document.FireUpdateEvent == false)\r
 221                 throw new InvalidOperationException("");\r
 222             if (rect.TopLeft <= rect.BottomRight)\r
 223             {\r
 224                 for (int i = rect.TopLeft.row; i <= rect.BottomLeft.row; i++)\r
 225                 {\r
 226                     int length = this.View.LayoutLines.GetLengthFromLineNumber(i);\r
 227                     int leftCol = rect.TopLeft.col, rightCol = rect.TopRight.col, lastCol = length;\r
 228                     if(length > 0 && this.View.LayoutLines[i][length - 1] == Document.NewLine)\r
 229                         lastCol =  length - 1;\r
 230                     if (lastCol < 0)\r
 231                         lastCol = 0;\r
 232                     if (rect.TopLeft.col > lastCol)\r
 233                         leftCol = lastCol;\r
 234                     if (rect.TopRight.col > lastCol)\r
 235                         rightCol = lastCol;\r
 236 \r
 237                     int StartIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, leftCol));\r
 238                     int EndIndex = this.View.LayoutLines.GetIndexFromTextPoint(new TextPoint(i, rightCol));\r
 239 \r
 240                     Selection sel;\r
 241                     sel = Selection.Create(StartIndex, EndIndex - StartIndex);\r
 242 \r
 243                     this.View.Selections.Add(sel);\r
 244                 }\r
 245             }\r
 246         }\r
 247 \r
 248         /// <summary>\r
 249         /// 単語単位で選択する\r
 250         /// </summary>\r
 251         /// <param name="index">探索を開始するインデックス</param>\r
 252         public void SelectWord(int index)\r
 253         {\r
 254             if (this.Document.FireUpdateEvent == false)\r
 255                 throw new InvalidOperationException("");\r
 256 \r
 257             if (this.Document.Length <= 0 || index >= this.Document.Length)\r
 258                 return;\r
 259 \r
 260             Document str = this.Document;\r
 261 \r
 262             int start = index;\r
 263             while (start > 0 && !Util.IsWordSeparator(str[start]))\r
 264                 start--;\r
 265 \r
 266             if (Util.IsWordSeparator(str[start]))\r
 267                 start++;\r
 268 \r
 269             int end = index;\r
 270             while (end < this.Document.Length && !Util.IsWordSeparator(str[end]))\r
 271                 end++;\r
 272 \r
 273             this.Select(start, end - start);\r
 274         }\r
 275 \r
 276         /// <summary>\r
 277         /// 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
 278         /// </summary>\r
 279         /// <returns>成功した場合は真。そうでない場合は偽を返す</returns>\r
 280         public bool ConvertToChar()\r
 281         {\r
 282             if (this.SelectionLength == 0 || this.RectSelection)\r
 283                 return false;\r
 284             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 285             string[] codes = str.Split(new char[] { ' ' },StringSplitOptions.RemoveEmptyEntries);\r
 286             StringBuilder result = new StringBuilder();\r
 287             foreach (string code in codes)\r
 288             {\r
 289                 int utf32_code;\r
 290                 if (code[0] != 'U')\r
 291                     return false;\r
 292                 if (Int32.TryParse(code.TrimStart('U'),NumberStyles.HexNumber,null, out utf32_code))\r
 293                     result.Append(Char.ConvertFromUtf32(utf32_code));\r
 294                 else\r
 295                     return false;\r
 296             }\r
 297             this.Document.Lock();\r
 298             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 299             this.Document.UnLock();\r
 300             return true;\r
 301         }\r
 302 \r
 303         /// <summary>\r
 304         /// 選択文字列をUTF32のコードポイントに変換します\r
 305         /// </summary>\r
 306         public void ConvertToCodePoint()\r
 307         {\r
 308             if (this.SelectionLength == 0 || this.RectSelection)\r
 309                 return;\r
 310             string str = this.Document.ToString(this.SelectionStart, this.SelectionLength);\r
 311             StringInfo info = new StringInfo(str);\r
 312             StringBuilder result = new StringBuilder();\r
 313             for (int i = 0; i < str.Length;)\r
 314             {\r
 315                 int utf32_code = Char.ConvertToUtf32(str, i); \r
 316                 result.Append("U" + Convert.ToString(utf32_code,16));\r
 317                 result.Append(' ');\r
 318                 if(Char.IsHighSurrogate(str[i]))\r
 319                     i += 2;\r
 320                 else\r
 321                     i++;\r
 322             }\r
 323             this.Document.Lock();\r
 324             this.Document.Replace(this.SelectionStart, this.SelectionLength, result.ToString());\r
 325             this.Document.UnLock();\r
 326         }\r
 327 \r
 328         /// <summary>\r
 329         /// 選択を解除する\r
 330         /// </summary>\r
 331         public void DeSelectAll()\r
 332         {\r
 333             if (this.Document.FireUpdateEvent == false)\r
 334                 throw new InvalidOperationException("");\r
 335 \r
 336             this.View.Selections.Clear();\r
 337         }\r
 338 \r
 339         /// <summary>\r
 340         /// 任意のマーカーかどうか\r
 341         /// </summary>\r
 342         /// <param name="tp"></param>\r
 343         /// <param name="type"></param>\r
 344         /// <returns>真ならマーカーがある</returns>\r
 345         public bool IsMarker(TextPoint tp,HilightType type)\r
 346         {\r
 347             if (this.Document.FireUpdateEvent == false)\r
 348                 throw new InvalidOperationException("");\r
 349             int index = this.View.LayoutLines.GetIndexFromTextPoint(tp);\r
 350             return this.IsMarker(index, type);\r
 351         }\r
 352 \r
 353         /// <summary>\r
 354         /// 任意のマーカーかどうか判定する\r
 355         /// </summary>\r
 356         /// <param name="index"></param>\r
 357         /// <param name="type"></param>\r
 358         /// <returns>真ならマーカーがある</returns>\r
 359         public bool IsMarker(int index, HilightType type)\r
 360         {\r
 361             foreach(int id in this.Document.Markers.IDs)\r
 362             {\r
 363                 foreach (Marker m in this.Document.GetMarkers(index, id))\r
 364                 {\r
 365                     if (m.hilight == type)\r
 366                         return true;\r
 367                 }\r
 368             }\r
 369             return false;\r
 370         }\r
 371 \r
 372         /// <summary>\r
 373         /// キャレット位置を再調整する\r
 374         /// </summary>\r
 375         public void AdjustCaret()\r
 376         {\r
 377             int row = this.View.CaretPostion.row;\r
 378             if (row > this.View.LayoutLines.Count - 1)\r
 379                 row = this.View.LayoutLines.Count - 1;\r
 380             int col = this.View.CaretPostion.col;\r
 381             if (col > 0 && col > this.View.LayoutLines[row].Length)\r
 382                 col = this.View.LayoutLines[row].Length;\r
 383             this.JumpCaret(row, col);\r
 384         }\r
 385 \r
 386         /// <summary>\r
 387         /// キャレットを指定した位置に移動させる\r
 388         /// </summary>\r
 389         /// <param name="index"></param>\r
 390         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 391         public void JumpCaret(int index,bool autoExpand = true)\r
 392         {\r
 393             if (index < 0 || index > this.Document.Length)\r
 394                 throw new ArgumentOutOfRangeException("indexが設定できる範囲を超えています");\r
 395             TextPoint tp = this.View.GetLayoutLineFromIndex(index);\r
 396 \r
 397             this.JumpCaret(tp.row, tp.col,autoExpand);\r
 398          }\r
 399 \r
 400         /// <summary>\r
 401         /// キャレットを指定した位置に移動させる\r
 402         /// </summary>\r
 403         /// <param name="row"></param>\r
 404         /// <param name="col"></param>\r
 405         /// <param name="autoExpand">折り畳みを展開するなら真</param>\r
 406         public void JumpCaret(int row, int col, bool autoExpand = true)\r
 407         {\r
 408             if (this.Document.FireUpdateEvent == false)\r
 409                 throw new InvalidOperationException("");\r
 410 \r
 411             this.View.JumpCaret(row, col,autoExpand);\r
 412 \r
 413             this.View.AdjustCaretAndSrc();\r
 414 \r
 415             this.SelectWithMoveCaret(false);\r
 416         }\r
 417 \r
 418         /// <summary>\r
 419         /// 行の先頭に移動する\r
 420         /// </summary>\r
 421         /// <param name="row">行</param>\r
 422         /// <param name="isSelected">選択状態にするかどうか</param>\r
 423         public void JumpToLineHead(int row,bool isSelected)\r
 424         {\r
 425             this.View.JumpCaret(row, 0);\r
 426             this.View.AdjustCaretAndSrc();\r
 427             this.SelectWithMoveCaret(isSelected);\r
 428         }\r
 429 \r
 430         /// <summary>\r
 431         /// 行の終わりに移動する\r
 432         /// </summary>\r
 433         /// <param name="row">行</param>\r
 434         /// <param name="isSelected">選択状態にするかどうか</param>\r
 435         public void JumpToLineEnd(int row, bool isSelected)\r
 436         {\r
 437             this.View.JumpCaret(row, this.View.LayoutLines[row].Length - 1);\r
 438             this.View.AdjustCaretAndSrc();\r
 439             this.SelectWithMoveCaret(isSelected);\r
 440         }\r
 441 \r
 442         /// <summary>\r
 443         /// ドキュメントの先頭に移動する\r
 444         /// </summary>\r
 445         /// <param name="isSelected"></param>\r
 446         public void JumpToHead(bool isSelected)\r
 447         {\r
 448             if (this.View.TryScroll(0, 0))\r
 449                 return;\r
 450             this.View.JumpCaret(0, 0);\r
 451             this.View.AdjustCaretAndSrc();\r
 452             this.SelectWithMoveCaret(isSelected);\r
 453         }\r
 454 \r
 455         /// <summary>\r
 456         /// ドキュメントの終わりにに移動する\r
 457         /// </summary>\r
 458         /// <param name="isSelected"></param>\r
 459         public void JumpToEnd(bool isSelected)\r
 460         {\r
 461             int srcRow = this.View.LayoutLines.Count - this.View.LineCountOnScreen - 1;\r
 462             if(srcRow < 0)\r
 463                 srcRow = 0;\r
 464             if (this.View.TryScroll(0, srcRow))\r
 465                 return;\r
 466             this.View.JumpCaret(this.View.LayoutLines.Count - 1, 0);\r
 467             this.View.AdjustCaretAndSrc();\r
 468             this.SelectWithMoveCaret(isSelected);\r
 469         }\r
 470 \r
 471         /// <summary>\r
 472         /// スクロールする\r
 473         /// </summary>\r
 474         /// <param name="dir">方向を指定する</param>\r
 475         /// <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
 476         /// <param name="isSelected">選択状態にするなら真</param>\r
 477         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 478         public void Scroll(ScrollDirection dir, int delta, bool isSelected,bool withCaret)\r
 479         {\r
 480             if (this.Document.FireUpdateEvent == false)\r
 481                 throw new InvalidOperationException("");\r
 482             int toRow = this.View.Src.Row;\r
 483             double toX = this.View.Src.X;\r
 484             switch (dir)\r
 485             {\r
 486                 case ScrollDirection.Up:\r
 487                     toRow = Math.Max(0, this.View.Src.Row - delta);\r
 488                     toRow = this.View.AdjustRow(toRow, false);\r
 489                     break;\r
 490                 case ScrollDirection.Down:\r
 491                     toRow = Math.Min(this.View.Src.Row + delta, this.View.LayoutLines.Count - 1);\r
 492                     toRow = this.View.AdjustRow(toRow, true);\r
 493                     break;\r
 494                 case ScrollDirection.Left:\r
 495                     toX -= delta;\r
 496                     break;\r
 497                 case ScrollDirection.Right:\r
 498                     toX += delta;\r
 499                     break;\r
 500                 default:\r
 501                     throw new ArgumentOutOfRangeException();\r
 502             }\r
 503             this.Scroll(toX, toRow, isSelected, withCaret);\r
 504         }\r
 505 \r
 506         /// <summary>\r
 507         /// スクロールする\r
 508         /// </summary>\r
 509         /// <param name="toX">スクロール先の座標</param>\r
 510         /// <param name="toRow">スクロール先の行</param>\r
 511         /// <param name="isSelected">選択状態にするなら真</param>\r
 512         /// <param name="withCaret">同時にキャレットを移動させるなら真</param>\r
 513         public void Scroll(double toX, int toRow, bool isSelected, bool withCaret)\r
 514         {\r
 515             if (withCaret)\r
 516             {\r
 517                 this.View.Scroll(toX, toRow);\r
 518                 this.View.JumpCaret(toRow, 0);\r
 519                 this.View.AdjustCaretAndSrc();\r
 520                 this.SelectWithMoveCaret(isSelected);\r
 521             }\r
 522             else\r
 523             {\r
 524                 this.View.Scroll(toX, toRow);\r
 525                 this.View.IsFocused = false;\r
 526             }\r
 527         }\r
 528 \r
 529         /// <summary>\r
 530         /// キャレットを桁方向に移動させる\r
 531         /// </summary>\r
 532         /// <returns>移動できない場合は真を返す</returns>\r
 533         /// <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
 534         /// <param name="isSelected">選択範囲とするなら真。そうでないなら偽</param>\r
 535         /// <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
 536         public void MoveCaretHorizontical(int realLength, bool isSelected,bool alignWord = false)\r
 537         {\r
 538             for (int i = Math.Abs(realLength); i > 0; i--)\r
 539             {\r
 540                 bool MoveFlow = realLength > 0;\r
 541                 if (this.View.render.RightToLeft)\r
 542                     MoveFlow = !MoveFlow;\r
 543                 this.MoveCaretHorizontical(MoveFlow);\r
 544 \r
 545                 if (alignWord)\r
 546                     this.AlignNearestWord(MoveFlow);\r
 547             }\r
 548             this.View.AdjustCaretAndSrc(AdjustFlow.Col);\r
 549             this.SelectWithMoveCaret(isSelected);\r
 550         }\r
 551 \r
 552         void AlignNearestWord(bool MoveFlow)\r
 553         {\r
 554             string str = this.View.LayoutLines[this.View.CaretPostion.row];\r
 555             while (this.View.CaretPostion.col > 0 &&\r
 556                 this.View.CaretPostion.col < str.Length &&\r
 557                 str[this.View.CaretPostion.col] != Document.NewLine)\r
 558             {\r
 559                 if (!Util.IsWordSeparator(str[this.View.CaretPostion.col]))\r
 560                 {\r
 561                     this.MoveCaretHorizontical(MoveFlow);\r
 562                 }\r
 563                 else\r
 564                 {\r
 565                     if(MoveFlow)\r
 566                         this.MoveCaretHorizontical(MoveFlow);\r
 567                     break;\r
 568                 }\r
 569             }\r
 570         }\r
 571 \r
 572         /// <summary>\r
 573         /// キャレットを行方向に移動させる\r
 574         /// </summary>\r
 575         /// <returns>再描写する必要があるなら真を返す</returns>\r
 576         /// <param name="deltarow">移動量</param>\r
 577         /// <param name="isSelected"></param>\r
 578         public void MoveCaretVertical(int deltarow,bool isSelected)\r
 579         {\r
 580             for (int i = Math.Abs(deltarow); i > 0; i--)\r
 581                 this.MoveCaretVertical(deltarow > 0);\r
 582             this.View.AdjustCaretAndSrc(AdjustFlow.Both);\r
 583             this.SelectWithMoveCaret(isSelected);\r
 584         }\r
 585 \r
 586         /// <summary>\r
 587         /// キャレット位置の文字を一文字削除する\r
 588         /// </summary>\r
 589         public void DoDeleteAction()\r
 590         {\r
 591             if (this.SelectionLength != 0)\r
 592             {\r
 593                 this.SelectedText = "";\r
 594                 return;\r
 595             }\r
 596             \r
 597             if (this.Document.FireUpdateEvent == false)\r
 598                 throw new InvalidOperationException("");\r
 599 \r
 600             TextPoint CaretPostion = this.View.CaretPostion;\r
 601             int index = this.View.GetIndexFromLayoutLine(CaretPostion);\r
 602 \r
 603             if (index == this.Document.Length)\r
 604                 return;\r
 605 \r
 606             int lineHeadIndex = this.View.LayoutLines.GetIndexFromLineNumber(CaretPostion.row);\r
 607             int next = this.View.LayoutLines.GetLayout(CaretPostion.row).AlignIndexToNearestCluster(CaretPostion.col, AlignDirection.Forward) + lineHeadIndex;\r
 608 \r
 609             if (this.Document[index] == Document.NewLine)\r
 610                 next = index + 1;\r
 611 \r
 612             this.Document.Lock();\r
 613             this.Document.Replace(index, next - index, "");\r
 614             this.Document.UnLock();\r
 615         }\r
 616 \r
 617         /// <summary>\r
 618         /// 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
 619         /// </summary>\r
 620         public void DoBackSpaceAction()\r
 621         {\r
 622             if (this.View.InsertPoint != null)\r
 623             {\r
 624                 this.ReplaceBeforeSelectionArea(this.View.Selections, 1, "");\r
 625                 return;\r
 626             }\r
 627             else if (this.SelectionLength > 0)\r
 628             {\r
 629                 this.SelectedText = "";\r
 630                 return;\r
 631             }\r
 632 \r
 633             if (this.Document.FireUpdateEvent == false)\r
 634                 throw new InvalidOperationException("");\r
 635 \r
 636             TextPoint CurrentPostion = this.View.CaretPostion;\r
 637 \r
 638             if (CurrentPostion.row == 0 && CurrentPostion.col == 0)\r
 639                 return;\r
 640 \r
 641             int oldIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 642 \r
 643             int newCol, newIndex;\r
 644             if (CurrentPostion.col > 0)\r
 645             {\r
 646                 newCol = this.View.LayoutLines.GetLayout(CurrentPostion.row).AlignIndexToNearestCluster(CurrentPostion.col - 1, AlignDirection.Back);\r
 647                 newIndex = this.View.GetIndexFromLayoutLine(new TextPoint(CurrentPostion.row, newCol));\r
 648             }\r
 649             else\r
 650             {\r
 651                 newIndex = this.View.GetIndexFromLayoutLine(CurrentPostion);\r
 652                 newIndex--;\r
 653             }\r
 654 \r
 655             this.Document.Lock();\r
 656             this.Document.Replace(newIndex, oldIndex - newIndex, "");\r
 657             this.Document.UnLock();\r
 658         }\r
 659 \r
 660         /// <summary>\r
 661         /// キャレット位置で行を分割する\r
 662         /// </summary>\r
 663         public void DoEnterAction()\r
 664         {            \r
 665             this.DoInputChar('\n');\r
 666         }\r
 667 \r
 668         /// <summary>\r
 669         /// 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
 670         /// </summary>\r
 671         /// <param name="ch"></param>\r
 672         public void DoInputChar(char ch)\r
 673         {\r
 674             this.DoInputString(ch.ToString());\r
 675         }\r
 676 \r
 677         string GetIndentSpace(int col_index)\r
 678         {\r
 679             int space_count = this.View.TabStops - (col_index % this.View.TabStops);\r
 680             return new string(Enumerable.Repeat(' ',space_count).ToArray());\r
 681         }\r
 682 \r
 683         /// <summary>\r
 684         /// 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
 685         /// </summary>\r
 686         /// <param name="str"></param>\r
 687         /// <param name="fromTip"></param>\r
 688         public void DoInputString(string str,bool fromTip = false)\r
 689         {\r
 690             TextPoint CaretPos = this.View.CaretPostion;\r
 691 \r
 692             if (str == "\t" && this.IndentMode == IndentMode.Space)\r
 693                 str = this.GetIndentSpace(CaretPos.col);\r
 694 \r
 695             if (this.View.InsertPoint != null)\r
 696             {\r
 697                 this.ReplaceBeforeSelectionArea(this.View.Selections, 0, str);\r
 698                 return;\r
 699             }\r
 700             else if (this.SelectionLength != 0)\r
 701             {\r
 702                 this.RepleaceSelectionArea(this.View.Selections, str, fromTip);\r
 703                 return;\r
 704             }\r
 705 \r
 706             if (this.Document.FireUpdateEvent == false)\r
 707                 throw new InvalidOperationException("");\r
 708 \r
 709             int index = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 710             int length = 0;\r
 711             if (this.View.InsertMode == false && index < this.Document.Length && this.Document[index] != Document.NewLine)\r
 712             {\r
 713                 string lineString = this.View.LayoutLines[CaretPos.row];\r
 714                 int end = this.View.LayoutLines.GetLayout(CaretPos.row).AlignIndexToNearestCluster(CaretPos.col + str.Length - 1, AlignDirection.Forward);\r
 715                 if (end > lineString.Length - 1)\r
 716                     end = lineString.Length - 1;\r
 717                 end += this.View.LayoutLines.GetIndexFromLineNumber(CaretPos.row);\r
 718                 length = end - index;\r
 719             }\r
 720             if (str == Document.NewLine.ToString())\r
 721             {\r
 722                 int lineHeadIndex = this.View.LayoutLines.GetIndexFromLineNumber(CaretPos.row);\r
 723                 int lineLength = this.View.LayoutLines.GetLengthFromLineNumber(CaretPos.row);\r
 724                 FoldingItem foldingData = this.View.LayoutLines.FoldingCollection.GetFarestHiddenFoldingData(lineHeadIndex, lineLength);\r
 725                 if (foldingData != null && !foldingData.Expand && index > foldingData.Start && index <= foldingData.End)\r
 726                     index = foldingData.End + 1;\r
 727             }\r
 728             this.Document.Lock();\r
 729             this.Document.Replace(index, length, str);\r
 730             this.Document.UnLock();\r
 731         }\r
 732 \r
 733         /// <summary>\r
 734         /// キャレットの移動に合わせて選択する\r
 735         /// </summary>\r
 736         /// <param name="isSelected">選択状態にするかどうか</param>\r
 737         /// <remarks>\r
 738         /// 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
 739         /// </remarks>\r
 740         void SelectWithMoveCaret(bool isSelected)\r
 741         {\r
 742             if (this.View.CaretPostion.col < 0 || this.View.CaretPostion.row < 0)\r
 743                 return;\r
 744 \r
 745             if (this.Document.FireUpdateEvent == false)\r
 746                 throw new InvalidOperationException("");\r
 747 \r
 748             int CaretPostion = this.View.GetIndexFromLayoutLine(this.View.CaretPostion);\r
 749             \r
 750             SelectCollection Selections = this.View.Selections;\r
 751             if (isSelected)\r
 752             {\r
 753                 this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 754             }else{\r
 755                 this.AnchorIndex = CaretPostion;\r
 756                 this.View.InsertPoint = null;\r
 757                 this.Select(CaretPostion, 0);\r
 758             }\r
 759         }\r
 760 \r
 761         /// <summary>\r
 762         /// 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
 763         /// </summary>\r
 764         /// <param name="tp"></param>\r
 765         public void MoveCaretAndSelect(TextPoint tp)\r
 766         {\r
 767             int CaretPostion = this.View.GetIndexFromLayoutLine(tp);\r
 768             this.Select(this.AnchorIndex, CaretPostion - this.AnchorIndex);\r
 769             this.View.JumpCaret(tp.row, tp.col);\r
 770             this.View.AdjustCaretAndSrc();\r
 771         }\r
 772 \r
 773         public void MoveSelectBefore(TextPoint tp)\r
 774         {\r
 775             int NewAnchorIndex;\r
 776             int SelectionLength;\r
 777             if (this.IsReverseSelect())\r
 778             {\r
 779                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 780                 SelectionLength = this.SelectionLength + NewAnchorIndex - this.AnchorIndex;\r
 781                 this.Select(this.SelectionStart, SelectionLength);\r
 782             }\r
 783             else\r
 784             {\r
 785                 NewAnchorIndex = this.View.GetIndexFromLayoutLine(tp);\r
 786                 SelectionLength = this.SelectionLength + this.AnchorIndex - NewAnchorIndex;\r
 787                 this.Select(NewAnchorIndex, SelectionLength);\r
 788             }\r
 789             this.AnchorIndex = NewAnchorIndex;\r
 790         }\r
 791 \r
 792         /// <summary>\r
 793         /// キャレット位置を既定の位置に戻す\r
 794         /// </summary>\r
 795         public void ResetCaretPostion()\r
 796         {\r
 797             this.JumpCaret(0);\r
 798         }\r
 799 \r
 800         /// <summary>\r
 801         /// 行単位で移動後のキャレット位置を取得する\r
 802         /// </summary>\r
 803         /// <param name="count">移動量</param>\r
 804         /// <param name="current">現在のキャレット位置</param>\r
 805         /// <returns>移動後のキャレット位置</returns>\r
 806         public TextPoint GetTextPointAfterMoveLine(int count, TextPoint current)\r
 807         {\r
 808             int row = current.row + count;\r
 809 \r
 810             if (row < 0)\r
 811                 row = 0;\r
 812             else if (row >= this.View.LayoutLines.Count)\r
 813                 row = this.View.LayoutLines.Count - 1;\r
 814 \r
 815             row = this.View.AdjustRow(row, count > 0);\r
 816 \r
 817             double colpos = this.View.GetColPostionFromIndex(current.row, current.col);\r
 818             int col = this.View.GetIndexFromColPostion(row, colpos);\r
 819 \r
 820             return new TextPoint(row, col);\r
 821         }\r
 822 \r
 823         /// <summary>\r
 824         /// 選択文字列のインデントを一つ増やす\r
 825         /// </summary>\r
 826         public void UpIndent()\r
 827         {\r
 828             if (this.RectSelection || this.SelectionLength == 0)\r
 829                 return;\r
 830             int selectionStart = this.SelectionStart;\r
 831             string insertStr = this.IndentMode == IndentMode.Space ? this.GetIndentSpace(0) : "\t";\r
 832             string text = this.InsertLineHead(GetTextFromLineSelectArea(this.View.Selections), insertStr);\r
 833             this.RepleaceSelectionArea(this.View.Selections,text);\r
 834             this.Select(selectionStart, text.Length);\r
 835         }\r
 836 \r
 837         /// <summary>\r
 838         /// 選択文字列のインデントを一つ減らす\r
 839         /// </summary>\r
 840         public void DownIndent()\r
 841         {\r
 842             if (this.RectSelection || this.SelectionLength == 0)\r
 843                 return;\r
 844             int selectionStart = this.SelectionStart;\r
 845             string insertStr = this.IndentMode == IndentMode.Space ? this.GetIndentSpace(0) : "\t";\r
 846             string text = this.RemoveLineHead(GetTextFromLineSelectArea(this.View.Selections), insertStr);\r
 847             this.RepleaceSelectionArea(this.View.Selections, text);\r
 848             this.Select(selectionStart, text.Length);\r
 849         }\r
 850 \r
 851         string InsertLineHead(string s, string str)\r
 852         {\r
 853             string[] lines = s.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.None);\r
 854             StringBuilder output = new StringBuilder();\r
 855             for (int i = 0; i < lines.Length; i++)\r
 856             {\r
 857                 if(lines[i].Length > 0)\r
 858                     output.Append(str + lines[i] + Document.NewLine);\r
 859                 else if(i < lines.Length - 1)\r
 860                     output.Append(lines[i] + Document.NewLine);\r
 861             }\r
 862             return output.ToString();\r
 863         }\r
 864 \r
 865         public string RemoveLineHead(string s, string str)\r
 866         {\r
 867             string[] lines = s.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.None);\r
 868             StringBuilder output = new StringBuilder();\r
 869             for (int i = 0; i < lines.Length; i++)\r
 870             {\r
 871                 if (lines[i].StartsWith(str))\r
 872                     output.Append(lines[i].Substring(1) + Document.NewLine);\r
 873                 else if (i < lines.Length - 1)\r
 874                     output.Append(lines[i] + Document.NewLine);\r
 875             }\r
 876             return output.ToString();\r
 877         }\r
 878 \r
 879         /// <summary>\r
 880         /// キャレットを一文字移動させる\r
 881         /// </summary>\r
 882         /// <param name="isMoveNext">真なら１文字すすめ、そうでなければ戻す</param>\r
 883         /// <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
 884         void MoveCaretHorizontical(bool isMoveNext)\r
 885         {\r
 886             if (this.Document.FireUpdateEvent == false)\r
 887                 throw new InvalidOperationException("");\r
 888             int delta = isMoveNext ? 0 : -1;\r
 889             int prevcol = this.View.CaretPostion.col;\r
 890             int col = this.View.CaretPostion.col + delta;\r
 891             string lineString = this.View.LayoutLines[this.View.CaretPostion.row];\r
 892             if (col < 0 || this.View.CaretPostion.row >= this.View.LayoutLines.Count)\r
 893             {\r
 894                 if (this.View.CaretPostion.row == 0)\r
 895                 {\r
 896                     col = 0;\r
 897                     return;\r
 898                 }\r
 899                 this.MoveCaretVertical(false);\r
 900                 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
 901                 col = this.View.LayoutLines.GetLengthFromLineNumber(this.View.CaretPostion.row) - 1;  //最終行以外はすべて改行コードが付くはず\r
 902             }\r
 903             else if (col >= lineString.Length || lineString[col] == Document.NewLine)\r
 904             {\r
 905                 if (this.View.CaretPostion.row < this.View.LayoutLines.Count - 1)\r
 906                 {\r
 907                     this.MoveCaretVertical(true);\r
 908                     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
 909                     col = 0;\r
 910                 }\r
 911             }\r
 912             else\r
 913             {\r
 914                 AlignDirection direction = isMoveNext ? AlignDirection.Forward : AlignDirection.Back;\r
 915                 col = this.View.LayoutLines.GetLayout(this.View.CaretPostion.row).AlignIndexToNearestCluster(col, direction);\r
 916             }\r
 917 \r
 918             this.View.JumpCaret(this.View.CaretPostion.row, col,false);\r
 919         }\r
 920 \r
 921         /// <summary>\r
 922         /// キャレットを行方向に移動させる\r
 923         /// </summary>\r
 924         /// <param name="isMoveNext">プラス方向に移動するなら真</param>\r
 925         /// <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
 926         void MoveCaretVertical(bool isMoveNext)\r
 927         {\r
 928             if (this.Document.FireUpdateEvent == false)\r
 929                 throw new InvalidOperationException("");\r
 930 \r
 931             TextPoint nextPoint = this.GetTextPointAfterMoveLine(isMoveNext ? 1 : -1, this.View.CaretPostion);\r
 932             \r
 933             this.View.JumpCaret(nextPoint.row, nextPoint.col,false);\r
 934         }\r
 935 \r
 936         private void ReplaceBeforeSelectionArea(SelectCollection Selections, int removeLength, string insertStr)\r
 937         {\r
 938             if (removeLength == 0 && insertStr.Length == 0)\r
 939                 return;\r
 940 \r
 941             if (this.RectSelection == false || this.Document.FireUpdateEvent == false)\r
 942                 throw new InvalidOperationException();\r
 943 \r
 944             SelectCollection temp = this.View.InsertPoint;\r
 945             int selectStart = temp.First().start;\r
 946             int selectEnd = temp.Last().start + temp.Last().length;\r
 947 \r
 948             //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
 949             TextPoint start = this.View.LayoutLines.GetTextPointFromIndex(selectStart);\r
 950             TextPoint end = this.View.LayoutLines.GetTextPointFromIndex(selectEnd);\r
 951 \r
 952             bool reverse = temp.First().start > temp.Last().start;\r
 953 \r
 954             int lineHeadIndex = this.View.LayoutLines.GetIndexFromLineNumber(this.View.LayoutLines.GetLineNumberFromIndex(selectStart));\r
 955             if (selectStart - removeLength < lineHeadIndex)\r
 956                 return;\r
 957 \r
 958             this.Document.UndoManager.BeginUndoGroup();\r
 959             this.Document.FireUpdateEvent = false;\r
 960 \r
 961             if (reverse)\r
 962             {\r
 963                 for (int i = 0; i < temp.Count; i++)\r
 964                 {\r
 965                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 966                 }\r
 967             }\r
 968             else\r
 969             {\r
 970                 for (int i = temp.Count - 1; i >= 0; i--)\r
 971                 {\r
 972                     this.ReplaceBeforeSelection(temp[i], removeLength, insertStr);\r
 973                 }\r
 974             }\r
 975 \r
 976             this.Document.FireUpdateEvent = true;\r
 977             this.Document.UndoManager.EndUndoGroup();\r
 978 \r
 979             int delta = insertStr.Length - removeLength;\r
 980             start.col += delta;\r
 981             end.col += delta;\r
 982 \r
 983             if (reverse)\r
 984                 this.JumpCaret(start.row, start.col);\r
 985             else\r
 986                 this.JumpCaret(end.row, end.col);\r
 987             \r
 988             this.Select(start, 0, end.row - start.row);\r
 989         }\r
 990 \r
 991         private void ReplaceBeforeSelection(Selection sel, int removeLength, string insertStr)\r
 992         {\r
 993             sel = Util.NormalizeIMaker<Selection>(sel);\r
 994             this.Document.Lock();\r
 995             this.Document.Replace(sel.start - removeLength, removeLength, insertStr);\r
 996             this.Document.UnLock();\r
 997         }\r
 998 \r
 999         private void RepleaceSelectionArea(SelectCollection Selections, string value,bool updateInsertPoint = false)\r
1000         {\r
1001             if (value == null)\r
1002                 return;\r
1003 \r
1004             if (this.RectSelection == false)\r
1005             {\r
1006                 Selection sel = Selection.Create(this.AnchorIndex, 0);\r
1007                 if (Selections.Count > 0)\r
1008                     sel = Util.NormalizeIMaker<Selection>(this.View.Selections.First());\r
1009 \r
1010                 this.Document.Lock();\r
1011                 this.Document.Replace(sel.start, sel.length, value);\r
1012                 this.Document.UnLock();\r
1013                 return;\r
1014             }\r
1015 \r
1016             if (this.Document.FireUpdateEvent == false)\r
1017                 throw new InvalidOperationException("");\r
1018 \r
1019             int StartIndex = this.SelectionStart;\r
1020 \r
1021             SelectCollection newInsertPoint = new SelectCollection();\r
1022 \r
1023             if (this.SelectionLength == 0)\r
1024             {\r
1025                 int i;\r
1026 \r
1027                 this.Document.Lock();\r
1028 \r
1029                 this.Document.UndoManager.BeginUndoGroup();\r
1030 \r
1031                 this.Document.FireUpdateEvent = false;\r
1032 \r
1033                 string[] line = value.Split(new string[] { Document.NewLine.ToString() }, StringSplitOptions.RemoveEmptyEntries);\r
1034 \r
1035                 TextPoint Current = this.View.GetLayoutLineFromIndex(this.SelectionStart);\r
1036 \r
1037                 for (i = 0; i < line.Length && Current.row < this.View.LayoutLines.Count; i++, Current.row++)\r
1038                 {\r
1039                     if (Current.col > this.View.LayoutLines[Current.row].Length)\r
1040                         Current.col = this.View.LayoutLines[Current.row].Length;\r
1041                     StartIndex = this.View.GetIndexFromLayoutLine(Current);\r
1042                     this.Document.Replace(StartIndex, 0, line[i]);\r
1043                     StartIndex += line[i].Length;\r
1044                 }\r
1045 \r
1046                 for (; i < line.Length; i++)\r
1047                 {\r
1048                     StartIndex = this.Document.Length;\r
1049                     string str = Document.NewLine + line[i];\r
1050                     this.Document.Replace(StartIndex, 0, str);\r
1051                     StartIndex += str.Length;\r
1052                 }\r
1053 \r
1054                 this.Document.FireUpdateEvent = true;\r
1055 \r
1056                 this.Document.UndoManager.EndUndoGroup();\r
1057 \r
1058                 this.Document.UnLock();\r
1059             }\r
1060             else\r
1061             {\r
1062                 SelectCollection temp = new SelectCollection(this.View.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
1063 \r
1064                 this.Document.Lock();\r
1065 \r
1066                 this.Document.UndoManager.BeginUndoGroup();\r
1067 \r
1068                 this.Document.FireUpdateEvent = false;\r
1069 \r
1070                 if (temp.First().start < temp.Last().start)\r
1071                 {\r
1072                     for (int i = temp.Count - 1; i >= 0; i--)\r
1073                     {\r
1074                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
1075 \r
1076                         StartIndex = sel.start;\r
1077 \r
1078                         this.Document.Replace(sel.start, sel.length, value);\r
1079 \r
1080                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i,0));\r
1081                     }\r
1082                 }\r
1083                 else\r
1084                 {\r
1085                     for (int i = 0; i < temp.Count; i++)\r
1086                     {\r
1087                         Selection sel = Util.NormalizeIMaker<Selection>(temp[i]);\r
1088 \r
1089                         StartIndex = sel.start;\r
1090 \r
1091                         this.Document.Replace(sel.start, sel.length, value);\r
1092 \r
1093                         newInsertPoint.Add(Selection.Create(sel.start + (value.Length - sel.length) * i, 0));\r
1094                     }\r
1095                 }\r
1096 \r
1097                 this.Document.FireUpdateEvent = true;\r
1098 \r
1099                 this.Document.UndoManager.EndUndoGroup();\r
1100 \r
1101                 this.Document.UnLock();\r
1102             }\r
1103             this.JumpCaret(StartIndex);\r
1104             if (updateInsertPoint && newInsertPoint.Count > 0)\r
1105                 this.View.InsertPoint = newInsertPoint;\r
1106         }\r
1107 \r
1108         private string GetTextFromLineSelectArea(SelectCollection Selections)\r
1109         {\r
1110             Selection sel = Util.NormalizeIMaker<Selection>(Selections.First());\r
1111 \r
1112             string str = this.Document.ToString(sel.start, sel.length);\r
1113 \r
1114             return str;\r
1115         }\r
1116 \r
1117         string GetTextFromRectangleSelectArea(SelectCollection Selections)\r
1118         {\r
1119             StringBuilder temp = new StringBuilder();\r
1120             if (Selections.First().start < Selections.Last().start)\r
1121             {\r
1122                 for (int i = 0; i < this.View.Selections.Count; i++)\r
1123                 {\r
1124                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1125 \r
1126                     string str = this.Document.ToString(sel.start, sel.length);\r
1127                     if (str.IndexOf(Environment.NewLine) == -1)\r
1128                         temp.AppendLine(str);\r
1129                     else\r
1130                         temp.Append(str);\r
1131                 }\r
1132             }\r
1133             else\r
1134             {\r
1135                 for (int i = this.View.Selections.Count - 1; i >= 0; i--)\r
1136                 {\r
1137                     Selection sel = Util.NormalizeIMaker<Selection>(Selections[i]);\r
1138 \r
1139                     string str = this.Document.ToString(sel.start, sel.length).Replace(Document.NewLine.ToString(), Environment.NewLine);\r
1140                     if (str.IndexOf(Environment.NewLine) == -1)\r
1141                         temp.AppendLine(str);\r
1142                     else\r
1143                         temp.Append(str);\r
1144                 }\r
1145             }\r
1146             return temp.ToString();\r
1147         }\r
1148 \r
1149         void View_LineBreakChanged(object sender, EventArgs e)\r
1150         {\r
1151             this.DeSelectAll();\r
1152             this.AdjustCaret();\r
1153         }\r
1154 \r
1155         void View_PageBoundChanged(object sender, EventArgs e)\r
1156         {\r
1157             if (this.View.LineBreak == LineBreakMethod.PageBound && this.View.PageBound.Width - this.View.LineBreakingMarginWidth > 0)\r
1158                 this.View.PerfomLayouts();\r
1159             this.AdjustCaret();\r
1160         }\r
1161 \r
1162         void render_ChangedRenderResource(object sender, ChangedRenderRsourceEventArgs e)\r
1163         {\r
1164             if (e.type == ResourceType.Font)\r
1165             {\r
1166                 if (this.View.LineBreak == LineBreakMethod.PageBound)\r
1167                     this.View.PerfomLayouts();\r
1168                 this.AdjustCaret();\r
1169             }\r
1170             if (e.type == ResourceType.InlineChar)\r
1171             {\r
1172                 int oldLineCountOnScreen = this.View.LineCountOnScreen;\r
1173                 this.View.CalculateLineCountOnScreen();\r
1174                 if(this.View.LineCountOnScreen != oldLineCountOnScreen)\r
1175                     this.AdjustCaret();\r
1176             }\r
1177         }\r
1178 \r
1179         void render_ChangedRightToLeft(object sender, EventArgs e)\r
1180         {\r
1181             this.AdjustCaret();\r
1182         }\r
1183 \r
1184         void Document_Update(object sender, DocumentUpdateEventArgs e)\r
1185         {\r
1186             switch (e.type)\r
1187             {\r
1188                 case UpdateType.Replace:\r
1189                     if(e.startIndex < this.Document.Length && this.Document[e.startIndex] == Document.NewLine)\r
1190                         this.View.CalculateLineCountOnScreen();\r
1191                     this.JumpCaret(e.startIndex + e.insertLength,true);\r
1192                     break;\r
1193                 case UpdateType.Clear:\r
1194                     this.JumpCaret(0,0, false);\r
1195                     break;\r
1196             }\r
1197         }\r
1198     }\r
1199 }\r