| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: doc.cpp |
| 3 | // Purpose: Implements document functionality |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 12/07/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | // #pragma implementation |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include <wx/wx.h> |
| 25 | #endif |
| 26 | |
| 27 | #include "studio.h" |
| 28 | #include "doc.h" |
| 29 | #include "view.h" |
| 30 | #include <wx/ogl/basicp.h> |
| 31 | |
| 32 | IMPLEMENT_DYNAMIC_CLASS(csDiagramDocument, wxDocument) |
| 33 | |
| 34 | #ifdef __VISUALC__ |
| 35 | #pragma warning(disable:4355) |
| 36 | #endif |
| 37 | |
| 38 | csDiagramDocument::csDiagramDocument():m_diagram(this) |
| 39 | { |
| 40 | } |
| 41 | |
| 42 | #ifdef __VISUALC__ |
| 43 | #pragma warning(default:4355) |
| 44 | #endif |
| 45 | |
| 46 | csDiagramDocument::~csDiagramDocument() |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | bool csDiagramDocument::OnCloseDocument() |
| 51 | { |
| 52 | m_diagram.DeleteAllShapes(); |
| 53 | return true; |
| 54 | } |
| 55 | |
| 56 | bool csDiagramDocument::OnSaveDocument(const wxString& file) |
| 57 | { |
| 58 | if (file == wxEmptyString) |
| 59 | return false; |
| 60 | |
| 61 | if (!m_diagram.SaveFile(file)) |
| 62 | { |
| 63 | wxString msgTitle; |
| 64 | if (wxTheApp->GetAppName() != wxEmptyString) |
| 65 | msgTitle = wxTheApp->GetAppName(); |
| 66 | else |
| 67 | msgTitle = wxString(_T("File error")); |
| 68 | |
| 69 | (void)wxMessageBox(_T("Sorry, could not open this file for saving."), msgTitle, wxOK | wxICON_EXCLAMATION, |
| 70 | GetDocumentWindow()); |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | Modify(false); |
| 75 | SetFilename(file); |
| 76 | return true; |
| 77 | } |
| 78 | |
| 79 | bool csDiagramDocument::OnOpenDocument(const wxString& file) |
| 80 | { |
| 81 | if (!OnSaveModified()) |
| 82 | return false; |
| 83 | |
| 84 | wxString msgTitle; |
| 85 | if (wxTheApp->GetAppName() != wxEmptyString) |
| 86 | msgTitle = wxTheApp->GetAppName(); |
| 87 | else |
| 88 | msgTitle = wxString(_T("File error")); |
| 89 | |
| 90 | m_diagram.DeleteAllShapes(); |
| 91 | if (!m_diagram.LoadFile(file)) |
| 92 | { |
| 93 | (void)wxMessageBox(_T("Sorry, could not open this file."), msgTitle, wxOK|wxICON_EXCLAMATION, |
| 94 | GetDocumentWindow()); |
| 95 | return false; |
| 96 | } |
| 97 | SetFilename(file, true); |
| 98 | Modify(false); |
| 99 | UpdateAllViews(); |
| 100 | |
| 101 | return true; |
| 102 | } |
| 103 | |
| 104 | |
| 105 | /* |
| 106 | * Implementation of drawing command |
| 107 | */ |
| 108 | |
| 109 | csDiagramCommand::csDiagramCommand(const wxString& name, csDiagramDocument *doc, |
| 110 | csCommandState* onlyState): |
| 111 | wxCommand(true, name) |
| 112 | { |
| 113 | m_doc = doc; |
| 114 | |
| 115 | if (onlyState) |
| 116 | { |
| 117 | AddState(onlyState); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | csDiagramCommand::~csDiagramCommand() |
| 122 | { |
| 123 | wxObjectList::compatibility_iterator node = m_states.GetFirst(); |
| 124 | while (node) |
| 125 | { |
| 126 | csCommandState* state = (csCommandState*) node->GetData(); |
| 127 | delete state; |
| 128 | node = node->GetNext(); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | void csDiagramCommand::AddState(csCommandState* state) |
| 133 | { |
| 134 | state->m_doc = m_doc; |
| 135 | // state->m_cmd = m_cmd; |
| 136 | m_states.Append(state); |
| 137 | } |
| 138 | |
| 139 | // Insert a state at the beginning of the list |
| 140 | void csDiagramCommand::InsertState(csCommandState* state) |
| 141 | { |
| 142 | state->m_doc = m_doc; |
| 143 | // state->m_cmd = m_cmd; |
| 144 | m_states.Insert(state); |
| 145 | } |
| 146 | |
| 147 | // Schedule all lines connected to the states to be cut. |
| 148 | void csDiagramCommand::RemoveLines() |
| 149 | { |
| 150 | wxObjectList::compatibility_iterator node = m_states.GetFirst(); |
| 151 | while (node) |
| 152 | { |
| 153 | csCommandState* state = (csCommandState*) node->GetData(); |
| 154 | wxShape* shape = state->GetShapeOnCanvas(); |
| 155 | wxASSERT( (shape != NULL) ); |
| 156 | |
| 157 | wxObjectList::compatibility_iterator node1 = shape->GetLines().GetFirst(); |
| 158 | while (node1) |
| 159 | { |
| 160 | wxLineShape *line = (wxLineShape *)node1->GetData(); |
| 161 | if (!FindStateByShape(line)) |
| 162 | { |
| 163 | csCommandState* newState = new csCommandState(ID_CS_CUT, NULL, line); |
| 164 | InsertState(newState); |
| 165 | } |
| 166 | |
| 167 | node1 = node1->GetNext(); |
| 168 | } |
| 169 | node = node->GetNext(); |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | csCommandState* csDiagramCommand::FindStateByShape(wxShape* shape) |
| 174 | { |
| 175 | wxObjectList::compatibility_iterator node = m_states.GetFirst(); |
| 176 | while (node) |
| 177 | { |
| 178 | csCommandState* state = (csCommandState*) node->GetData(); |
| 179 | if (shape == state->GetShapeOnCanvas() || shape == state->GetSavedState()) |
| 180 | return state; |
| 181 | node = node->GetNext(); |
| 182 | } |
| 183 | return NULL; |
| 184 | } |
| 185 | |
| 186 | bool csDiagramCommand::Do() |
| 187 | { |
| 188 | wxObjectList::compatibility_iterator node = m_states.GetFirst(); |
| 189 | while (node) |
| 190 | { |
| 191 | csCommandState* state = (csCommandState*) node->GetData(); |
| 192 | if (!state->Do()) |
| 193 | return false; |
| 194 | node = node->GetNext(); |
| 195 | } |
| 196 | return true; |
| 197 | } |
| 198 | |
| 199 | bool csDiagramCommand::Undo() |
| 200 | { |
| 201 | // Undo in reverse order, so e.g. shapes get added |
| 202 | // back before the lines do. |
| 203 | wxObjectList::compatibility_iterator node = m_states.GetLast(); |
| 204 | while (node) |
| 205 | { |
| 206 | csCommandState* state = (csCommandState*) node->GetData(); |
| 207 | if (!state->Undo()) |
| 208 | return false; |
| 209 | node = node->GetPrevious(); |
| 210 | } |
| 211 | return true; |
| 212 | } |
| 213 | |
| 214 | csCommandState::csCommandState(int cmd, wxShape* savedState, wxShape* shapeOnCanvas) |
| 215 | { |
| 216 | m_cmd = cmd; |
| 217 | m_doc = NULL; |
| 218 | m_savedState = savedState; |
| 219 | m_shapeOnCanvas = shapeOnCanvas; |
| 220 | m_linePositionFrom = 0; |
| 221 | m_linePositionTo = 0; |
| 222 | } |
| 223 | |
| 224 | csCommandState::~csCommandState() |
| 225 | { |
| 226 | if (m_savedState) |
| 227 | { |
| 228 | m_savedState->SetCanvas(NULL); |
| 229 | delete m_savedState; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | bool csCommandState::Do() |
| 234 | { |
| 235 | switch (m_cmd) |
| 236 | { |
| 237 | case ID_CS_CUT: |
| 238 | { |
| 239 | // New state is 'nothing' - maybe pass shape ID to state so we know what |
| 240 | // we're talking about. |
| 241 | // Then save old shape in m_savedState (actually swap pointers) |
| 242 | |
| 243 | wxASSERT( (m_shapeOnCanvas != NULL) ); |
| 244 | wxASSERT( (m_savedState == NULL) ); // new state will be 'nothing' |
| 245 | wxASSERT( (m_doc != NULL) ); |
| 246 | |
| 247 | wxShapeCanvas* canvas = m_shapeOnCanvas->GetCanvas(); |
| 248 | |
| 249 | // In case this is a line |
| 250 | wxShape* lineFrom = NULL; |
| 251 | wxShape* lineTo = NULL; |
| 252 | int attachmentFrom = 0, attachmentTo = 0; |
| 253 | |
| 254 | if (m_shapeOnCanvas->IsKindOf(CLASSINFO(wxLineShape))) |
| 255 | { |
| 256 | // Store the from/to info to save in the line shape |
| 257 | wxLineShape* lineShape = (wxLineShape*) m_shapeOnCanvas; |
| 258 | lineFrom = lineShape->GetFrom(); |
| 259 | lineTo = lineShape->GetTo(); |
| 260 | attachmentFrom = lineShape->GetAttachmentFrom(); |
| 261 | attachmentTo = lineShape->GetAttachmentTo(); |
| 262 | |
| 263 | m_linePositionFrom = lineFrom->GetLinePosition(lineShape); |
| 264 | m_linePositionTo = lineTo->GetLinePosition(lineShape); |
| 265 | } |
| 266 | |
| 267 | m_shapeOnCanvas->Select(false); |
| 268 | ((csDiagramView*) m_doc->GetFirstView())->SelectShape(m_shapeOnCanvas, false); |
| 269 | |
| 270 | m_shapeOnCanvas->Unlink(); |
| 271 | |
| 272 | m_doc->GetDiagram()->RemoveShape(m_shapeOnCanvas); |
| 273 | |
| 274 | m_savedState = m_shapeOnCanvas; |
| 275 | |
| 276 | if (m_savedState->IsKindOf(CLASSINFO(wxLineShape))) |
| 277 | { |
| 278 | // Restore the from/to info for future reference |
| 279 | wxLineShape* lineShape = (wxLineShape*) m_savedState; |
| 280 | lineShape->SetFrom(lineFrom); |
| 281 | lineShape->SetTo(lineTo); |
| 282 | lineShape->SetAttachments(attachmentFrom, attachmentTo); |
| 283 | |
| 284 | wxClientDC dc(canvas); |
| 285 | canvas->PrepareDC(dc); |
| 286 | |
| 287 | lineFrom->MoveLinks(dc); |
| 288 | lineTo->MoveLinks(dc); |
| 289 | } |
| 290 | |
| 291 | m_doc->Modify(true); |
| 292 | m_doc->UpdateAllViews(); |
| 293 | break; |
| 294 | } |
| 295 | case ID_CS_ADD_SHAPE: |
| 296 | case ID_CS_ADD_SHAPE_SELECT: |
| 297 | { |
| 298 | // The app has given the command state a new m_savedState |
| 299 | // shape, which is the new shape to add to the canvas (but |
| 300 | // not actually added until this point). |
| 301 | // The new 'saved state' is therefore 'nothing' since there |
| 302 | // was nothing there before. |
| 303 | |
| 304 | wxASSERT( (m_shapeOnCanvas == NULL) ); |
| 305 | wxASSERT( (m_savedState != NULL) ); |
| 306 | wxASSERT( (m_doc != NULL) ); |
| 307 | |
| 308 | m_shapeOnCanvas = m_savedState; |
| 309 | m_savedState = NULL; |
| 310 | |
| 311 | m_doc->GetDiagram()->AddShape(m_shapeOnCanvas); |
| 312 | m_shapeOnCanvas->Show(true); |
| 313 | |
| 314 | wxClientDC dc(m_shapeOnCanvas->GetCanvas()); |
| 315 | m_shapeOnCanvas->GetCanvas()->PrepareDC(dc); |
| 316 | |
| 317 | csEvtHandler *handler = (csEvtHandler *)m_shapeOnCanvas->GetEventHandler(); |
| 318 | m_shapeOnCanvas->FormatText(dc, handler->m_label); |
| 319 | |
| 320 | m_shapeOnCanvas->Move(dc, m_shapeOnCanvas->GetX(), m_shapeOnCanvas->GetY()); |
| 321 | |
| 322 | if (m_cmd == ID_CS_ADD_SHAPE_SELECT) |
| 323 | { |
| 324 | m_shapeOnCanvas->Select(true, &dc); |
| 325 | ((csDiagramView*) m_doc->GetFirstView())->SelectShape(m_shapeOnCanvas, true); |
| 326 | } |
| 327 | |
| 328 | m_doc->Modify(true); |
| 329 | m_doc->UpdateAllViews(); |
| 330 | break; |
| 331 | } |
| 332 | case ID_CS_ADD_LINE: |
| 333 | case ID_CS_ADD_LINE_SELECT: |
| 334 | { |
| 335 | wxASSERT( (m_shapeOnCanvas == NULL) ); |
| 336 | wxASSERT( (m_savedState != NULL) ); |
| 337 | wxASSERT( (m_doc != NULL) ); |
| 338 | |
| 339 | wxLineShape *lineShape = (wxLineShape *)m_savedState; |
| 340 | wxASSERT( (lineShape->GetFrom() != NULL) ); |
| 341 | wxASSERT( (lineShape->GetTo() != NULL) ); |
| 342 | |
| 343 | m_shapeOnCanvas = m_savedState; |
| 344 | m_savedState = NULL; |
| 345 | |
| 346 | m_doc->GetDiagram()->AddShape(lineShape); |
| 347 | |
| 348 | lineShape->GetFrom()->AddLine(lineShape, lineShape->GetTo(), |
| 349 | lineShape->GetAttachmentFrom(), lineShape->GetAttachmentTo()); |
| 350 | |
| 351 | lineShape->Show(true); |
| 352 | |
| 353 | wxClientDC dc(lineShape->GetCanvas()); |
| 354 | lineShape->GetCanvas()->PrepareDC(dc); |
| 355 | |
| 356 | // It won't get drawn properly unless you move both |
| 357 | // connected images |
| 358 | lineShape->GetFrom()->Move(dc, lineShape->GetFrom()->GetX(), lineShape->GetFrom()->GetY()); |
| 359 | lineShape->GetTo()->Move(dc, lineShape->GetTo()->GetX(), lineShape->GetTo()->GetY()); |
| 360 | |
| 361 | if (m_cmd == ID_CS_ADD_LINE_SELECT) |
| 362 | { |
| 363 | lineShape->Select(true, &dc); |
| 364 | ((csDiagramView*) m_doc->GetFirstView())->SelectShape(m_shapeOnCanvas, true); |
| 365 | } |
| 366 | |
| 367 | m_doc->Modify(true); |
| 368 | m_doc->UpdateAllViews(); |
| 369 | break; |
| 370 | } |
| 371 | case ID_CS_CHANGE_BACKGROUND_COLOUR: |
| 372 | case ID_CS_MOVE: |
| 373 | case ID_CS_SIZE: |
| 374 | case ID_CS_EDIT_PROPERTIES: |
| 375 | case ID_CS_FONT_CHANGE: |
| 376 | case ID_CS_ARROW_CHANGE: |
| 377 | case ID_CS_ROTATE_CLOCKWISE: |
| 378 | case ID_CS_ROTATE_ANTICLOCKWISE: |
| 379 | case ID_CS_CHANGE_LINE_ORDERING: |
| 380 | case ID_CS_CHANGE_LINE_ATTACHMENT: |
| 381 | case ID_CS_ALIGN: |
| 382 | case ID_CS_NEW_POINT: |
| 383 | case ID_CS_CUT_POINT: |
| 384 | case ID_CS_MOVE_LINE_POINT: |
| 385 | case ID_CS_STRAIGHTEN: |
| 386 | case ID_CS_MOVE_LABEL: |
| 387 | { |
| 388 | // At this point we have been given a new shape |
| 389 | // just like the old one but with a changed colour. |
| 390 | // It's now time to apply that change to the |
| 391 | // shape on the canvas, saving the old state. |
| 392 | // NOTE: this is general enough to work with MOST attribute |
| 393 | // changes! |
| 394 | |
| 395 | wxASSERT( (m_shapeOnCanvas != NULL) ); |
| 396 | wxASSERT( (m_savedState != NULL) ); // This is the new shape with changed colour |
| 397 | wxASSERT( (m_doc != NULL) ); |
| 398 | |
| 399 | wxClientDC dc(m_shapeOnCanvas->GetCanvas()); |
| 400 | m_shapeOnCanvas->GetCanvas()->PrepareDC(dc); |
| 401 | |
| 402 | bool isSelected = m_shapeOnCanvas->Selected(); |
| 403 | if (isSelected) |
| 404 | m_shapeOnCanvas->Select(false, & dc); |
| 405 | |
| 406 | if (m_cmd == ID_CS_SIZE || m_cmd == ID_CS_ROTATE_CLOCKWISE || m_cmd == ID_CS_ROTATE_ANTICLOCKWISE || |
| 407 | m_cmd == ID_CS_CHANGE_LINE_ORDERING || m_cmd == ID_CS_CHANGE_LINE_ATTACHMENT) |
| 408 | { |
| 409 | m_shapeOnCanvas->Erase(dc); |
| 410 | } |
| 411 | |
| 412 | // TODO: make sure the ID is the same. Or, when applying the new state, |
| 413 | // don't change the original ID. |
| 414 | wxShape* tempShape = m_shapeOnCanvas->CreateNewCopy(); |
| 415 | |
| 416 | // Apply the saved state to the shape on the canvas, by copying. |
| 417 | m_savedState->CopyWithHandler(*m_shapeOnCanvas); |
| 418 | |
| 419 | // Delete this state now it's been used (m_shapeOnCanvas currently holds this state) |
| 420 | delete m_savedState; |
| 421 | |
| 422 | // Remember the previous state |
| 423 | m_savedState = tempShape; |
| 424 | |
| 425 | // Redraw the shape |
| 426 | |
| 427 | if (m_cmd == ID_CS_MOVE || m_cmd == ID_CS_ROTATE_CLOCKWISE || m_cmd == ID_CS_ROTATE_ANTICLOCKWISE || |
| 428 | m_cmd == ID_CS_ALIGN) |
| 429 | { |
| 430 | m_shapeOnCanvas->Move(dc, m_shapeOnCanvas->GetX(), m_shapeOnCanvas->GetY()); |
| 431 | |
| 432 | csEvtHandler *handler = (csEvtHandler *)m_shapeOnCanvas->GetEventHandler(); |
| 433 | m_shapeOnCanvas->FormatText(dc, handler->m_label); |
| 434 | m_shapeOnCanvas->Draw(dc); |
| 435 | } |
| 436 | else if (m_cmd == ID_CS_CHANGE_LINE_ORDERING) |
| 437 | { |
| 438 | m_shapeOnCanvas->MoveLinks(dc); |
| 439 | } |
| 440 | else if (m_cmd == ID_CS_CHANGE_LINE_ATTACHMENT) |
| 441 | { |
| 442 | wxLineShape *lineShape = (wxLineShape *)m_shapeOnCanvas; |
| 443 | |
| 444 | // Have to move both sets of links since we don't know which links |
| 445 | // have been affected (unless we compared before and after states). |
| 446 | lineShape->GetFrom()->MoveLinks(dc); |
| 447 | lineShape->GetTo()->MoveLinks(dc); |
| 448 | } |
| 449 | else if (m_cmd == ID_CS_SIZE) |
| 450 | { |
| 451 | double width, height; |
| 452 | m_shapeOnCanvas->GetBoundingBoxMax(&width, &height); |
| 453 | |
| 454 | m_shapeOnCanvas->SetSize(width, height); |
| 455 | m_shapeOnCanvas->Move(dc, m_shapeOnCanvas->GetX(), m_shapeOnCanvas->GetY()); |
| 456 | |
| 457 | m_shapeOnCanvas->Show(true); |
| 458 | |
| 459 | // Recursively redraw links if we have a composite. |
| 460 | if (m_shapeOnCanvas->GetChildren().GetCount() > 0) |
| 461 | m_shapeOnCanvas->DrawLinks(dc, -1, true); |
| 462 | |
| 463 | m_shapeOnCanvas->GetEventHandler()->OnEndSize(width, height); |
| 464 | } |
| 465 | else if (m_cmd == ID_CS_EDIT_PROPERTIES || m_cmd == ID_CS_FONT_CHANGE) |
| 466 | { |
| 467 | csEvtHandler *handler = (csEvtHandler *)m_shapeOnCanvas->GetEventHandler(); |
| 468 | m_shapeOnCanvas->FormatText(dc, handler->m_label); |
| 469 | m_shapeOnCanvas->Draw(dc); |
| 470 | } |
| 471 | else |
| 472 | { |
| 473 | m_shapeOnCanvas->Draw(dc); |
| 474 | } |
| 475 | |
| 476 | if (isSelected) |
| 477 | m_shapeOnCanvas->Select(true, & dc); |
| 478 | |
| 479 | m_doc->Modify(true); |
| 480 | m_doc->UpdateAllViews(); |
| 481 | |
| 482 | break; |
| 483 | } |
| 484 | } |
| 485 | return true; |
| 486 | } |
| 487 | |
| 488 | bool csCommandState::Undo() |
| 489 | { |
| 490 | switch (m_cmd) |
| 491 | { |
| 492 | case ID_CS_CUT: |
| 493 | { |
| 494 | wxASSERT( (m_savedState != NULL) ); |
| 495 | wxASSERT( (m_doc != NULL) ); |
| 496 | |
| 497 | m_doc->GetDiagram()->AddShape(m_savedState); |
| 498 | m_shapeOnCanvas = m_savedState; |
| 499 | m_savedState = NULL; |
| 500 | |
| 501 | if (m_shapeOnCanvas->IsKindOf(CLASSINFO(wxLineShape))) |
| 502 | { |
| 503 | wxLineShape* lineShape = (wxLineShape*) m_shapeOnCanvas; |
| 504 | lineShape->GetFrom()->AddLine(lineShape, lineShape->GetTo(), |
| 505 | lineShape->GetAttachmentFrom(), lineShape->GetAttachmentTo(), |
| 506 | m_linePositionFrom, m_linePositionTo); |
| 507 | |
| 508 | wxShapeCanvas* canvas = lineShape->GetFrom()->GetCanvas(); |
| 509 | |
| 510 | wxClientDC dc(canvas); |
| 511 | canvas->PrepareDC(dc); |
| 512 | |
| 513 | lineShape->GetFrom()->MoveLinks(dc); |
| 514 | lineShape->GetTo()->MoveLinks(dc); |
| 515 | |
| 516 | } |
| 517 | m_shapeOnCanvas->Show(true); |
| 518 | |
| 519 | m_doc->Modify(true); |
| 520 | m_doc->UpdateAllViews(); |
| 521 | break; |
| 522 | } |
| 523 | case ID_CS_ADD_SHAPE: |
| 524 | case ID_CS_ADD_LINE: |
| 525 | case ID_CS_ADD_SHAPE_SELECT: |
| 526 | case ID_CS_ADD_LINE_SELECT: |
| 527 | { |
| 528 | wxASSERT( (m_shapeOnCanvas != NULL) ); |
| 529 | wxASSERT( (m_savedState == NULL) ); |
| 530 | wxASSERT( (m_doc != NULL) ); |
| 531 | |
| 532 | // In case this is a line |
| 533 | wxShape* lineFrom = NULL; |
| 534 | wxShape* lineTo = NULL; |
| 535 | int attachmentFrom = 0, attachmentTo = 0; |
| 536 | |
| 537 | if (m_shapeOnCanvas->IsKindOf(CLASSINFO(wxLineShape))) |
| 538 | { |
| 539 | // Store the from/to info to save in the line shape |
| 540 | wxLineShape* lineShape = (wxLineShape*) m_shapeOnCanvas; |
| 541 | lineFrom = lineShape->GetFrom(); |
| 542 | lineTo = lineShape->GetTo(); |
| 543 | attachmentFrom = lineShape->GetAttachmentFrom(); |
| 544 | attachmentTo = lineShape->GetAttachmentTo(); |
| 545 | } |
| 546 | |
| 547 | wxClientDC dc(m_shapeOnCanvas->GetCanvas()); |
| 548 | m_shapeOnCanvas->GetCanvas()->PrepareDC(dc); |
| 549 | |
| 550 | m_shapeOnCanvas->Select(false, &dc); |
| 551 | ((csDiagramView*) m_doc->GetFirstView())->SelectShape(m_shapeOnCanvas, false); |
| 552 | m_doc->GetDiagram()->RemoveShape(m_shapeOnCanvas); |
| 553 | m_shapeOnCanvas->Unlink(); // Unlinks the line, if it is a line |
| 554 | |
| 555 | if (m_shapeOnCanvas->IsKindOf(CLASSINFO(wxLineShape))) |
| 556 | { |
| 557 | // Restore the from/to info for future reference |
| 558 | wxLineShape* lineShape = (wxLineShape*) m_shapeOnCanvas; |
| 559 | lineShape->SetFrom(lineFrom); |
| 560 | lineShape->SetTo(lineTo); |
| 561 | lineShape->SetAttachments(attachmentFrom, attachmentTo); |
| 562 | } |
| 563 | |
| 564 | m_savedState = m_shapeOnCanvas; |
| 565 | m_shapeOnCanvas = NULL; |
| 566 | |
| 567 | m_doc->Modify(true); |
| 568 | m_doc->UpdateAllViews(); |
| 569 | break; |
| 570 | } |
| 571 | case ID_CS_CHANGE_BACKGROUND_COLOUR: |
| 572 | case ID_CS_MOVE: |
| 573 | case ID_CS_SIZE: |
| 574 | case ID_CS_EDIT_PROPERTIES: |
| 575 | case ID_CS_FONT_CHANGE: |
| 576 | case ID_CS_ARROW_CHANGE: |
| 577 | case ID_CS_ROTATE_CLOCKWISE: |
| 578 | case ID_CS_ROTATE_ANTICLOCKWISE: |
| 579 | case ID_CS_CHANGE_LINE_ORDERING: |
| 580 | case ID_CS_CHANGE_LINE_ATTACHMENT: |
| 581 | case ID_CS_ALIGN: |
| 582 | case ID_CS_NEW_POINT: |
| 583 | case ID_CS_CUT_POINT: |
| 584 | case ID_CS_MOVE_LINE_POINT: |
| 585 | case ID_CS_STRAIGHTEN: |
| 586 | case ID_CS_MOVE_LABEL: |
| 587 | { |
| 588 | // Exactly like the Do case; we're just swapping states. |
| 589 | Do(); |
| 590 | break; |
| 591 | } |
| 592 | } |
| 593 | |
| 594 | return true; |
| 595 | } |
| 596 | |