Mercurial Repositories > eric / file comparison
comparison: src/eric7/Graphics/UMLDialog.py
src/eric7/Graphics/UMLDialog.py
- branch
- eric7
- changeset 10595
- 59579e8aff98
- parent 10439
- 21c28b0f9e41
- child 10631
- 00f5aae565a3
equal
deleted
inserted
replaced
| 10593:b7ebfc2e47d4 | 10595:59579e8aff98 |
|---|---|
| 245 if not filename: | 245 if not filename: |
| 246 fname, selectedFilter = EricFileDialog.getSaveFileNameAndFilter( | 246 fname, selectedFilter = EricFileDialog.getSaveFileNameAndFilter( |
| 247 self, | 247 self, |
| 248 self.tr("Save Diagram"), | 248 self.tr("Save Diagram"), |
| 249 "", | 249 "", |
| 250 self.tr( | 250 self.tr("Eric Graphics File (*.egj);;All Files (*)"), |
| 251 "Eric Graphics File (*.egj);;" | |
| 252 "Eric Text Graphics File (*.e5g);;" | |
| 253 "All Files (*)" | |
| 254 ), | |
| 255 "", | 251 "", |
| 256 EricFileDialog.DontConfirmOverwrite, | 252 EricFileDialog.DontConfirmOverwrite, |
| 257 ) | 253 ) |
| 258 if not fname: | 254 if not fname: |
| 259 return | 255 return |
| 295 if not filename: | 291 if not filename: |
| 296 filename = EricFileDialog.getOpenFileName( | 292 filename = EricFileDialog.getOpenFileName( |
| 297 self, | 293 self, |
| 298 self.tr("Load Diagram"), | 294 self.tr("Load Diagram"), |
| 299 "", | 295 "", |
| 300 self.tr( | 296 self.tr("Eric Graphics File (*.egj);;All Files (*)"), |
| 301 "Eric Graphics File (*.egj);;" | |
| 302 "Eric Text Graphics File (*.e5g);;" | |
| 303 "All Files (*)" | |
| 304 ), | |
| 305 ) | 297 ) |
| 306 if not filename: | 298 if not filename: |
| 307 # Canceled by user | 299 # Canceled by user |
| 308 return False | 300 return False |
| 309 | 301 |
| 310 return ( | 302 return self.__readJsonGraphicsFile(filename) |
| 311 self.__readLineBasedGraphicsFile(filename) | |
| 312 if filename.endswith(".e5g") | |
| 313 else | |
| 314 # JSON format is the default | |
| 315 self.__readJsonGraphicsFile(filename) | |
| 316 ) | |
| 317 | |
| 318 ####################################################################### | |
| 319 ## Methods to read and write eric graphics files of the old line | |
| 320 ## based file format. | |
| 321 ####################################################################### | |
| 322 | |
| 323 def __readLineBasedGraphicsFile(self, filename): | |
| 324 """ | |
| 325 Private method to read an eric graphics file using the old line | |
| 326 based file format. | |
| 327 | |
| 328 @param filename name of the file to be read | |
| 329 @type str | |
| 330 @return flag indicating success | |
| 331 @rtype bool | |
| 332 """ | |
| 333 try: | |
| 334 with open(filename, "r", encoding="utf-8") as f: | |
| 335 data = f.read() | |
| 336 except OSError as err: | |
| 337 EricMessageBox.critical( | |
| 338 self, | |
| 339 self.tr("Load Diagram"), | |
| 340 self.tr( | |
| 341 """<p>The file <b>{0}</b> could not be read.</p>""" | |
| 342 """<p>Reason: {1}</p>""" | |
| 343 ).format(filename, str(err)), | |
| 344 ) | |
| 345 return False | |
| 346 | |
| 347 lines = data.splitlines() | |
| 348 if len(lines) < 3: | |
| 349 self.__showInvalidDataMessage(filename) | |
| 350 return False | |
| 351 | |
| 352 try: | |
| 353 # step 1: check version | |
| 354 linenum = 0 | |
| 355 key, value = lines[linenum].split(": ", 1) | |
| 356 if key.strip() != "version" or value.strip() not in UMLDialog.FileVersions: | |
| 357 self.__showInvalidDataMessage(filename, linenum) | |
| 358 return False | |
| 359 else: | |
| 360 version = value | |
| 361 | |
| 362 # step 2: extract diagram type | |
| 363 linenum += 1 | |
| 364 key, value = lines[linenum].split(": ", 1) | |
| 365 if key.strip() != "diagram_type": | |
| 366 self.__showInvalidDataMessage(filename, linenum) | |
| 367 return False | |
| 368 try: | |
| 369 diagramType = value.strip().split(None, 1)[0] | |
| 370 self.__diagramType = UMLDialogType(int(diagramType)) | |
| 371 except ValueError: | |
| 372 self.__showInvalidDataMessage(filename, linenum) | |
| 373 return False | |
| 374 self.scene.clear() | |
| 375 self.builder = self.__diagramBuilder(self.__diagramType, "") | |
| 376 | |
| 377 # step 3: extract scene size | |
| 378 linenum += 1 | |
| 379 key, value = lines[linenum].split(": ", 1) | |
| 380 if key.strip() != "scene_size": | |
| 381 self.__showInvalidDataMessage(filename, linenum) | |
| 382 return False | |
| 383 try: | |
| 384 width, height = [float(v.strip()) for v in value.split(";")] | |
| 385 except ValueError: | |
| 386 self.__showInvalidDataMessage(filename, linenum) | |
| 387 return False | |
| 388 self.umlView.setSceneSize(width, height) | |
| 389 | |
| 390 # step 4: extract builder data if available | |
| 391 linenum += 1 | |
| 392 key, value = lines[linenum].split(": ", 1) | |
| 393 if key.strip() == "builder_data": | |
| 394 ok = self.builder.parsePersistenceData(version, value) | |
| 395 if not ok: | |
| 396 self.__showInvalidDataMessage(filename, linenum) | |
| 397 return False | |
| 398 linenum += 1 | |
| 399 | |
| 400 # step 5: extract the graphics items | |
| 401 ok, vlinenum = self.umlView.parsePersistenceData(version, lines[linenum:]) | |
| 402 if not ok: | |
| 403 self.__showInvalidDataMessage(filename, linenum + vlinenum) | |
| 404 return False | |
| 405 | |
| 406 except IndexError: | |
| 407 self.__showInvalidDataMessage(filename) | |
| 408 return False | |
| 409 | |
| 410 # everything worked fine, so remember the file name and set the | |
| 411 # window title | |
| 412 self.setWindowTitle(self.__getDiagramTitel(self.__diagramType)) | |
| 413 self.__fileName = filename | |
| 414 | |
| 415 return True | |
| 416 | |
| 417 def __showInvalidDataMessage(self, filename, linenum=-1): | |
| 418 """ | |
| 419 Private slot to show a message dialog indicating an invalid data file. | |
| 420 | |
| 421 @param filename name of the file containing the invalid data | |
| 422 @type str | |
| 423 @param linenum number of the invalid line | |
| 424 @type int | |
| 425 """ | |
| 426 msg = ( | |
| 427 self.tr( | |
| 428 """<p>The file <b>{0}</b> does not contain valid data.</p>""" | |
| 429 ).format(filename) | |
| 430 if linenum < 0 | |
| 431 else self.tr( | |
| 432 """<p>The file <b>{0}</b> does not contain""" | |
| 433 """ valid data.</p><p>Invalid line: {1}</p>""" | |
| 434 ).format(filename, linenum + 1) | |
| 435 ) | |
| 436 EricMessageBox.critical(self, self.tr("Load Diagram"), msg) | |
| 437 | 303 |
| 438 ####################################################################### | 304 ####################################################################### |
| 439 ## Methods to read and write eric graphics files of the JSON based | 305 ## Methods to read and write eric graphics files of the JSON based |
| 440 ## file format. | 306 ## file format. |
| 441 ####################################################################### | 307 ####################################################################### |
| 308 | |
| 309 def __showInvalidDataMessage(self, filename): | |
| 310 """ | |
| 311 Private slot to show a message dialog indicating an invalid data file. | |
| 312 | |
| 313 @param filename name of the file containing the invalid data | |
| 314 @type str | |
| 315 """ | |
| 316 EricMessageBox.critical( | |
| 317 self, | |
| 318 self.tr("Load Diagram"), | |
| 319 self.tr( | |
| 320 """<p>The file <b>{0}</b> does not contain valid data.</p>""" | |
| 321 ).format(filename), | |
| 322 ) | |
| 442 | 323 |
| 443 def __writeJsonGraphicsFile(self, filename): | 324 def __writeJsonGraphicsFile(self, filename): |
| 444 """ | 325 """ |
| 445 Private method to write an eric graphics file using the JSON based | 326 Private method to write an eric graphics file using the JSON based |
| 446 file format. | 327 file format. |
