■ DataGridView 클래스를 사용해 멀티/싱글 선택 리스트 박스 컨트롤을 만드는 방법을 보여준다.
▶ ListBoxControl.cs
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 |
using System; using System.Collections; using System.Collections.Generic; using System.ComponentModel; using System.Text; using System.Windows.Forms; namespace TestProject { /// <summary> /// 리스트 박스 컨트롤 /// </summary> public partial class ListBoxControl : UserControl { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Static //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 값 컬럼명 /// </summary> private static string _valueColumnName = "VALUE"; /// <summary> /// 텍스트 컬럼명 /// </summary> private static string _textColumnName = "TEXT"; #endregion ////////////////////////////////////////////////////////////////////////////////////////// Instance //////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 값 멤버 /// </summary> private string valueMember = null; /// <summary> /// 디스플레이 멤버 /// </summary> private string displayMember = null; /// <summary> /// 체크 딕셔너리 /// </summary> private Dictionary<int, object> checkDictionary = null; /// <summary> /// 마우스 드래그 여부 /// </summary> private bool isMouseDragging = false; /// <summary> /// 드래그 시작 인덱스 /// </summary> private int dragStartIndex; /// <summary> /// 드래그 종료 인덱스 /// </summary> private int dragEndIndex; /// <summary> /// 읽기 전용 여부 /// </summary> private bool readOnly = false; /// <summary> /// 단일 선택 여부 /// </summary> private bool singleSelect = false; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Property ////////////////////////////////////////////////////////////////////////////////////////// Public #region 값 멤버 - ValueMember /// <summary> /// 값 멤버 /// </summary> public string ValueMember { get { return this.valueMember; } set { if(CheckSameColumnName(value)) { return; } this.valueMember = value; RebuildColumns(); } } #endregion #region 디스플레이 멤버 - DisplayMember /// <summary> /// 디스플레이 멤버 /// </summary> public string DisplayMember { get { return this.displayMember; } set { if(CheckSameColumnName(value)) { return; } this.displayMember = value; RebuildColumns(); } } #endregion #region 데이터 소스 - DataSource /// <summary> /// 데이터 소스 /// </summary> public object DataSource { get { return this.dataGridView.DataSource; } set { if(value is IList) { this.dataGridView.DataSource = value; RebuildColumns(); } else { this.dataGridView.DataSource = null; } } } #endregion #region 읽기 전용 여부 - ReadOnly /// <summary> /// 읽기 전용 여부 /// </summary> public bool ReadOnly { get { return this.readOnly; } set { this.readOnly = value; } } #endregion #region 이용 가능 여부 - Enabled /// <summary> /// 이용 가능 여부 /// </summary> public new bool Enabled { get { return base.Enabled; } set { this.dataGridView.ClearSelection(); base.Enabled = value; } } #endregion #region 값 - Value /// <summary> /// 값 /// </summary> public string Value { get { if(this.dataGridView.DataSource == null) { return null; } IList list = this.dataGridView.DataSource as IList; if(list == null) { return null; } if(this.checkDictionary.Count == 0) { return null; } PropertyDescriptorCollection pdc = TypeDescriptor.GetProperties(list[0].GetType()); SortedList<string, string> sortedList = new SortedList<string, string>(); foreach(KeyValuePair<int, object> keyValuePair in this.checkDictionary) { string value = pdc[this.valueMember].GetValue(keyValuePair.Value).ToString(); if(!sortedList.ContainsKey(value)) { sortedList.Add(value, value); } } StringBuilder stringBuilder = new StringBuilder(); for(int i = 0; i < sortedList.Count; i++) { string value = sortedList[sortedList.Keys[i]]; stringBuilder.AppendFormat("{0},", value); } return stringBuilder.ToString().TrimEnd(','); } set { this.checkDictionary.Clear(); if(this.dataGridView.DataSource == null) { return; } IList list = this.dataGridView.DataSource as IList; if(list == null || list.Count == 0) { return; } if(string.IsNullOrWhiteSpace(value)) { return; } PropertyDescriptorCollection pdc = TypeDescriptor.GetProperties(list[0].GetType()); string[] elementValueArray = value.Split(','); int elementValueCount = elementValueArray.Length; string elementValue = elementValueArray[0].Trim(); for(int j = 0; j < list.Count; j++) { string itemValue = pdc[this.valueMember].GetValue(list[j]).ToString(); if(elementValue == itemValue) { if(!this.checkDictionary.ContainsKey(j)) { this.checkDictionary.Add(j, list[j]); } } } this.dataGridView.Refresh(); } } #endregion #region 단일 선택 여부 - SingleSelect /// <summary> /// 단일 선택 여부 /// </summary> public bool SingleSelect { get { return this.singleSelect; } set { if(this.singleSelect == value) { return; } this.singleSelect = value; if(this.singleSelect) { string lastValue = Value; if(string.IsNullOrEmpty(lastValue)) { return; } string[] elementValueArray = lastValue.Split(','); Value = elementValueArray[0]; } } } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - ListBoxControl() /// <summary> /// 생성자 /// </summary> public ListBoxControl() { InitializeComponent(); this.checkDictionary = new Dictionary<int, object>(); UIHelper.Initialize(this.dataGridView); VisibleChanged += UserControl_VisibleChanged; this.dataGridView.SizeChanged += dataGridView_SizeChanged; this.dataGridView.MouseDown += dataGridView_MouseDown; this.dataGridView.MouseMove += dataGridView_MouseMove; this.dataGridView.MouseUp += dataGridView_MouseUp; this.dataGridView.CellFormatting += dataGridView_CellFormatting; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 사용자 컨트롤 표시 여부 변경시 처리하기 - UserControl_VisibleChanged(sender, e) /// <summary> /// 사용자 컨트롤 표시 여부 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void UserControl_VisibleChanged(object sender, EventArgs e) { this.dataGridView.ClearSelection(); } #endregion #region 데이터 그리드 뷰 크기 변경시 처리하기 - dataGridView_SizeChanged(sender, e) /// <summary> /// 데이터 그리드 뷰 크기 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_SizeChanged(object sender, EventArgs e) { if(this.dataGridView.Columns.Contains(_textColumnName)) { this.dataGridView.Columns[_textColumnName].Width = this.dataGridView.ClientSize.Width - 40; } } #endregion #region 데이터 그리드 뷰 마우스 DOWN 처리하기 - dataGridView_MouseDown(sender, e) /// <summary> /// 데이터 그리드 뷰 마우스 DOWN 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_MouseDown(object sender, MouseEventArgs e) { DataGridView dataGridView = sender as DataGridView; DataGridView.HitTestInfo hitTestInfo = dataGridView.HitTest(e.Location.X, e.Location.Y); if(hitTestInfo.Type == DataGridViewHitTestType.Cell) { this.isMouseDragging = true; this.dragStartIndex = hitTestInfo.RowIndex; } } #endregion #region 데이터 그리드 뷰 마우스 이동시 처리하기 - dataGridView_MouseMove(sender, e) /// <summary> /// 데이터 그리드 뷰 마우스 이동시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_MouseMove(object sender, MouseEventArgs e) { DataGridView dataGridView = sender as DataGridView; DataGridView.HitTestInfo hitTestInfo = dataGridView.HitTest(e.Location.X, e.Location.Y); if(hitTestInfo.Type == DataGridViewHitTestType.Cell) { if(this.isMouseDragging) // 마우스를 드래그 하고 있는 경우 처리한다. { #region 드래그 종료 인덱스를 설정한다. this.dragEndIndex = hitTestInfo.RowIndex; DataGridViewSelectedRowCollection collection = dataGridView.SelectedRows; if(this.dragEndIndex < 0) { if(this.dragStartIndex == collection[0].Index) { this.dragEndIndex = collection[collection.Count - 1].Index; } else { this.dragEndIndex = collection[0].Index; } } #endregion #region 시작/종료 인덱스를 설정한다. int startIndex; int endIndex; if(this.dragStartIndex > this.dragEndIndex) { startIndex = this.dragEndIndex; endIndex = this.dragStartIndex; } else { startIndex = this.dragStartIndex; endIndex = this.dragEndIndex; } #endregion dataGridView.ClearSelection(); for(int i = startIndex; i <= endIndex; i++) { this.dataGridView.Rows[i].Selected = true; } } } } #endregion #region 데이터 그리드 뷰 마우스 UP 처리하기 - dataGridView_MouseUp(sender, e) /// <summary> /// 데이터 그리드 뷰 마우스 UP 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_MouseUp(object sender, MouseEventArgs e) { DataGridView dataGridView = sender as DataGridView; DataGridView.HitTestInfo hitTestInfo = dataGridView.HitTest(e.Location.X, e.Location.Y); if(hitTestInfo.Type == DataGridViewHitTestType.Cell) { if(this.isMouseDragging) // 마우스를 드래그 하고 있는 경우 처리한다. { this.isMouseDragging = false; #region 드래그 종료 인덱스를 설정한다. this.dragEndIndex = hitTestInfo.RowIndex; DataGridViewSelectedRowCollection collection = dataGridView.SelectedRows; if(this.dragEndIndex < 0) { if(this.dragStartIndex == collection[0].Index) { this.dragEndIndex = collection[collection.Count - 1].Index; } else { this.dragEndIndex = collection[0].Index; } } #endregion #region 시작/종료 인덱스를 설정한다. int startIndex; int endIndex; bool bottomDirection; if(this.dragStartIndex > this.dragEndIndex) { startIndex = this.dragEndIndex; endIndex = this.dragStartIndex; bottomDirection = false; } else { startIndex = this.dragStartIndex; endIndex = this.dragEndIndex; bottomDirection = true; } #endregion #region 선택 범위를 체크하거나 체크 취소한다. try { if(!this.readOnly) { if(this.singleSelect) { if(bottomDirection) { if(this.checkDictionary.ContainsKey(endIndex)) { this.checkDictionary.Remove(endIndex); } else { this.checkDictionary.Clear(); this.checkDictionary.Add(endIndex, dataGridView.Rows[endIndex].DataBoundItem); } } else { if(this.checkDictionary.ContainsKey(startIndex)) { this.checkDictionary.Remove(startIndex); } else { this.checkDictionary.Clear(); this.checkDictionary.Add(startIndex, dataGridView.Rows[startIndex].DataBoundItem); } } } else { for(int i = startIndex; i <= endIndex; i++) { if(this.checkDictionary.ContainsKey(i)) { this.checkDictionary.Remove(i); } else { this.checkDictionary.Add(i, dataGridView.Rows[i].DataBoundItem); } } } } } finally { dataGridView.ClearSelection(); dataGridView.Refresh(); } #endregion } } } #endregion #region 데이터 그리드 뷰 셀 포맷 처리하기 - dataGridView_CellFormatting(sender, e) /// <summary> /// 데이터 그리드 뷰 셀 포맷 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void dataGridView_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e) { if(e.ColumnIndex == 0) { if(this.checkDictionary.ContainsKey(e.RowIndex)) { e.Value = true; } else { e.Value = false; } } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 동일 컬럼명 여부 조사하기 - CheckSameColumnName(columnName) /// <summary> /// 동일 컬럼명 여부 조사하기 /// </summary> /// <param name="columnName">컬럼명</param> /// <returns>동일 컬럼명 여부</returns> private bool CheckSameColumnName(string columnName) { if(string.IsNullOrWhiteSpace(columnName)) { return false; } if(this.dataGridView.Columns.Count == 0) { return false; } return this.dataGridView.Columns.Contains(columnName); } #endregion #region 컬럼 재구축하기 - RebuildColumns() /// <summary> /// 컬럼 재구축하기 /// </summary> private void RebuildColumns() { this.dataGridView.Columns.Clear(); UIHelper.AddCheckBoxColumn(this.dataGridView, "DATAGRIDVIEWCHECKCOLUMN", "", "DATAGRIDVIEWCHECKCOLUMN", 20, true, false, false, true); if(!string.IsNullOrWhiteSpace(this.valueMember)) { UIHelper.AddTextColumn(this.dataGridView, _valueColumnName, "", this.valueMember, 100, true, false, false, false); } if(!string.IsNullOrWhiteSpace(this.displayMember)) { UIHelper.AddTextColumn(this.dataGridView, _textColumnName, "", this.displayMember, 100, true, false, false, true); this.dataGridView.Columns[_textColumnName].Width = this.dataGridView.ClientSize.Width - 40; } } #endregion } } |
