Mercurial Repositories > eric / file comparison
comparison: Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardDialog.py
Plugins/WizardPlugins/QRegularExpressionWizard/QRegularExpressionWizardDialog.py
- changeset 2736
- 86cd4d14b58e
- child 2741
- d0d7836d0c01
equal
deleted
inserted
replaced
| 2734:eddb1a77f771 | 2736:86cd4d14b58e |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2013 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the QRegularExpression wizard dialog. | |
| 8 """ | |
| 9 | |
| 10 import os | |
| 11 import re | |
| 12 | |
| 13 from PyQt4.QtCore import QFileInfo, pyqtSlot, qVersion | |
| 14 try: | |
| 15 from PyQt4.QtCore import QRegularExpression | |
| 16 AVAILABLE = True | |
| 17 except ImportError: | |
| 18 AVAILABLE = False | |
| 19 from PyQt4.QtGui import QWidget, QDialog, QInputDialog, QApplication, QClipboard, \ | |
| 20 QTextCursor, QDialogButtonBox, QVBoxLayout, QTableWidgetItem | |
| 21 | |
| 22 from E5Gui import E5MessageBox, E5FileDialog | |
| 23 from E5Gui.E5MainWindow import E5MainWindow | |
| 24 | |
| 25 from .Ui_QRegularExpressionWizardDialog import Ui_QRegularExpressionWizardDialog | |
| 26 | |
| 27 import UI.PixmapCache | |
| 28 | |
| 29 import Utilities | |
| 30 import Preferences | |
| 31 | |
| 32 | |
| 33 class QRegularExpressionWizardWidget(QWidget, Ui_QRegularExpressionWizardDialog): | |
| 34 """ | |
| 35 Class implementing the QRegularExpression wizard dialog. | |
| 36 """ | |
| 37 def __init__(self, parent=None, fromEric=True): | |
| 38 """ | |
| 39 Constructor | |
| 40 | |
| 41 @param parent parent widget (QWidget) | |
| 42 @param fromEric flag indicating a call from within eric5 | |
| 43 """ | |
| 44 super().__init__(parent) | |
| 45 self.setupUi(self) | |
| 46 | |
| 47 # initialize icons of the tool buttons | |
| 48 self.commentButton.setIcon(UI.PixmapCache.getIcon("comment.png")) | |
| 49 self.charButton.setIcon(UI.PixmapCache.getIcon("characters.png")) | |
| 50 self.anycharButton.setIcon(UI.PixmapCache.getIcon("anychar.png")) | |
| 51 self.repeatButton.setIcon(UI.PixmapCache.getIcon("repeat.png")) | |
| 52 self.nonGroupButton.setIcon(UI.PixmapCache.getIcon("nongroup.png")) | |
| 53 self.atomicGroupButton.setIcon(UI.PixmapCache.getIcon("atomicgroup.png")) | |
| 54 self.groupButton.setIcon(UI.PixmapCache.getIcon("group.png")) | |
| 55 self.namedGroupButton.setIcon(UI.PixmapCache.getIcon("namedgroup.png")) | |
| 56 self.namedReferenceButton.setIcon(UI.PixmapCache.getIcon("namedreference.png")) | |
| 57 self.altnButton.setIcon(UI.PixmapCache.getIcon("altn.png")) | |
| 58 self.beglineButton.setIcon(UI.PixmapCache.getIcon("begline.png")) | |
| 59 self.endlineButton.setIcon(UI.PixmapCache.getIcon("endline.png")) | |
| 60 self.wordboundButton.setIcon(UI.PixmapCache.getIcon("wordboundary.png")) | |
| 61 self.nonwordboundButton.setIcon(UI.PixmapCache.getIcon("nonwordboundary.png")) | |
| 62 self.poslookaheadButton.setIcon(UI.PixmapCache.getIcon("poslookahead.png")) | |
| 63 self.neglookaheadButton.setIcon(UI.PixmapCache.getIcon("neglookahead.png")) | |
| 64 self.poslookbehindButton.setIcon(UI.PixmapCache.getIcon("poslookbehind.png")) | |
| 65 self.neglookbehindButton.setIcon(UI.PixmapCache.getIcon("neglookbehind.png")) | |
| 66 self.undoButton.setIcon(UI.PixmapCache.getIcon("editUndo.png")) | |
| 67 self.redoButton.setIcon(UI.PixmapCache.getIcon("editRedo.png")) | |
| 68 | |
| 69 self.namedGroups = re.compile(r"""\(?P<([^>]+)>""").findall | |
| 70 | |
| 71 self.saveButton = \ | |
| 72 self.buttonBox.addButton(self.trUtf8("Save"), QDialogButtonBox.ActionRole) | |
| 73 self.saveButton.setToolTip(self.trUtf8("Save the regular expression to a file")) | |
| 74 self.loadButton = \ | |
| 75 self.buttonBox.addButton(self.trUtf8("Load"), QDialogButtonBox.ActionRole) | |
| 76 self.loadButton.setToolTip(self.trUtf8("Load a regular expression from a file")) | |
| 77 if qVersion() >= "5.0.0" and AVAILABLE: | |
| 78 self.validateButton = self.buttonBox.addButton( | |
| 79 self.trUtf8("Validate"), QDialogButtonBox.ActionRole) | |
| 80 self.validateButton.setToolTip(self.trUtf8("Validate the regular expression")) | |
| 81 self.executeButton = self.buttonBox.addButton( | |
| 82 self.trUtf8("Execute"), QDialogButtonBox.ActionRole) | |
| 83 self.executeButton.setToolTip(self.trUtf8("Execute the regular expression")) | |
| 84 self.nextButton = self.buttonBox.addButton( | |
| 85 self.trUtf8("Next match"), QDialogButtonBox.ActionRole) | |
| 86 self.nextButton.setToolTip( | |
| 87 self.trUtf8("Show the next match of the regular expression")) | |
| 88 self.nextButton.setEnabled(False) | |
| 89 else: | |
| 90 self.validateButton = None | |
| 91 self.executeButton = None | |
| 92 self.nextButton = None | |
| 93 | |
| 94 if fromEric: | |
| 95 self.buttonBox.button(QDialogButtonBox.Close).hide() | |
| 96 self.copyButton = None | |
| 97 else: | |
| 98 self.copyButton = \ | |
| 99 self.buttonBox.addButton(self.trUtf8("Copy"), QDialogButtonBox.ActionRole) | |
| 100 self.copyButton.setToolTip( | |
| 101 self.trUtf8("Copy the regular expression to the clipboard")) | |
| 102 self.buttonBox.button(QDialogButtonBox.Ok).hide() | |
| 103 self.buttonBox.button(QDialogButtonBox.Cancel).hide() | |
| 104 self.variableLabel.hide() | |
| 105 self.variableLineEdit.hide() | |
| 106 self.variableLine.hide() | |
| 107 self.importCheckBox.hide() | |
| 108 self.regexpTextEdit.setFocus() | |
| 109 | |
| 110 def __insertString(self, s, steps=0): | |
| 111 """ | |
| 112 Private method to insert a string into line edit and move cursor. | |
| 113 | |
| 114 @param s string to be inserted into the regexp line edit | |
| 115 (string) | |
| 116 @param steps number of characters to move the cursor (integer). | |
| 117 Negative steps moves cursor back, positives forward. | |
| 118 """ | |
| 119 self.regexpTextEdit.insertPlainText(s) | |
| 120 tc = self.regexpTextEdit.textCursor() | |
| 121 if steps != 0: | |
| 122 if steps < 0: | |
| 123 act = QTextCursor.Left | |
| 124 steps = abs(steps) | |
| 125 else: | |
| 126 act = QTextCursor.Right | |
| 127 for i in range(steps): | |
| 128 tc.movePosition(act) | |
| 129 self.regexpTextEdit.setTextCursor(tc) | |
| 130 | |
| 131 @pyqtSlot() | |
| 132 def on_commentButton_clicked(self): | |
| 133 """ | |
| 134 Private slot to handle the comment toolbutton. | |
| 135 """ | |
| 136 self.__insertString("(?#)", -1) | |
| 137 | |
| 138 @pyqtSlot() | |
| 139 def on_charButton_clicked(self): | |
| 140 """ | |
| 141 Private slot to handle the characters toolbutton. | |
| 142 """ | |
| 143 from .QRegularExpressionWizardCharactersDialog import \ | |
| 144 QRegularExpressionWizardCharactersDialog | |
| 145 dlg = QRegularExpressionWizardCharactersDialog(self) | |
| 146 if dlg.exec_() == QDialog.Accepted: | |
| 147 self.__insertString(dlg.getCharacters()) | |
| 148 | |
| 149 @pyqtSlot() | |
| 150 def on_anycharButton_clicked(self): | |
| 151 """ | |
| 152 Private slot to handle the any character toolbutton. | |
| 153 """ | |
| 154 self.__insertString(".") | |
| 155 | |
| 156 @pyqtSlot() | |
| 157 def on_repeatButton_clicked(self): | |
| 158 """ | |
| 159 Private slot to handle the repeat toolbutton. | |
| 160 """ | |
| 161 from .QRegularExpressionWizardRepeatDialog import \ | |
| 162 QRegularExpressionWizardRepeatDialog | |
| 163 dlg = QRegularExpressionWizardRepeatDialog(self) | |
| 164 if dlg.exec_() == QDialog.Accepted: | |
| 165 self.__insertString(dlg.getRepeat()) | |
| 166 | |
| 167 @pyqtSlot() | |
| 168 def on_nonGroupButton_clicked(self): | |
| 169 """ | |
| 170 Private slot to handle the non group toolbutton. | |
| 171 """ | |
| 172 self.__insertString("(?:)", -1) | |
| 173 | |
| 174 @pyqtSlot() | |
| 175 def on_atomicGroupButton_clicked(self): | |
| 176 """ | |
| 177 Private slot to handle the atomic non group toolbutton. | |
| 178 """ | |
| 179 self.__insertString("(?>)", -1) | |
| 180 | |
| 181 @pyqtSlot() | |
| 182 def on_groupButton_clicked(self): | |
| 183 """ | |
| 184 Private slot to handle the group toolbutton. | |
| 185 """ | |
| 186 self.__insertString("()", -1) | |
| 187 | |
| 188 @pyqtSlot() | |
| 189 def on_namedGroupButton_clicked(self): | |
| 190 """ | |
| 191 Private slot to handle the named group toolbutton. | |
| 192 """ | |
| 193 self.__insertString("(?P<>)", -2) | |
| 194 | |
| 195 @pyqtSlot() | |
| 196 def on_namedReferenceButton_clicked(self): | |
| 197 """ | |
| 198 Private slot to handle the named reference toolbutton. | |
| 199 """ | |
| 200 # determine cursor position as length into text | |
| 201 length = self.regexpTextEdit.textCursor().position() | |
| 202 | |
| 203 # only present group names that occur before the current cursor position | |
| 204 regex = self.regexpTextEdit.toPlainText()[:length] | |
| 205 names = self.namedGroups(regex) | |
| 206 if not names: | |
| 207 E5MessageBox.information(self, | |
| 208 self.trUtf8("Named reference"), | |
| 209 self.trUtf8("""No named groups have been defined yet.""")) | |
| 210 return | |
| 211 | |
| 212 groupName, ok = QInputDialog.getItem( | |
| 213 self, | |
| 214 self.trUtf8("Named reference"), | |
| 215 self.trUtf8("Select group name:"), | |
| 216 names, | |
| 217 0, True) | |
| 218 if ok and groupName: | |
| 219 self.__insertString("(?P={0})".format(groupName)) | |
| 220 | |
| 221 @pyqtSlot() | |
| 222 def on_altnButton_clicked(self): | |
| 223 """ | |
| 224 Private slot to handle the alternatives toolbutton. | |
| 225 """ | |
| 226 self.__insertString("(|)", -2) | |
| 227 | |
| 228 @pyqtSlot() | |
| 229 def on_beglineButton_clicked(self): | |
| 230 """ | |
| 231 Private slot to handle the begin line toolbutton. | |
| 232 """ | |
| 233 self.__insertString("^") | |
| 234 | |
| 235 @pyqtSlot() | |
| 236 def on_endlineButton_clicked(self): | |
| 237 """ | |
| 238 Private slot to handle the end line toolbutton. | |
| 239 """ | |
| 240 self.__insertString("$") | |
| 241 | |
| 242 @pyqtSlot() | |
| 243 def on_wordboundButton_clicked(self): | |
| 244 """ | |
| 245 Private slot to handle the word boundary toolbutton. | |
| 246 """ | |
| 247 self.__insertString("\\b") | |
| 248 | |
| 249 @pyqtSlot() | |
| 250 def on_nonwordboundButton_clicked(self): | |
| 251 """ | |
| 252 Private slot to handle the non word boundary toolbutton. | |
| 253 """ | |
| 254 self.__insertString("\\B") | |
| 255 | |
| 256 @pyqtSlot() | |
| 257 def on_poslookaheadButton_clicked(self): | |
| 258 """ | |
| 259 Private slot to handle the positive lookahead toolbutton. | |
| 260 """ | |
| 261 self.__insertString("(?=)", -1) | |
| 262 | |
| 263 @pyqtSlot() | |
| 264 def on_neglookaheadButton_clicked(self): | |
| 265 """ | |
| 266 Private slot to handle the negative lookahead toolbutton. | |
| 267 """ | |
| 268 self.__insertString("(?!)", -1) | |
| 269 | |
| 270 @pyqtSlot() | |
| 271 def on_poslookbehindButton_clicked(self): | |
| 272 """ | |
| 273 Private slot to handle the positive lookbehind toolbutton. | |
| 274 """ | |
| 275 self.__insertString("(?<=)", -1) | |
| 276 | |
| 277 @pyqtSlot() | |
| 278 def on_neglookbehindButton_clicked(self): | |
| 279 """ | |
| 280 Private slot to handle the negative lookbehind toolbutton. | |
| 281 """ | |
| 282 self.__insertString("(?<!)", -1) | |
| 283 | |
| 284 @pyqtSlot() | |
| 285 def on_undoButton_clicked(self): | |
| 286 """ | |
| 287 Private slot to handle the undo action. | |
| 288 """ | |
| 289 self.regexpTextEdit.document().undo() | |
| 290 | |
| 291 @pyqtSlot() | |
| 292 def on_redoButton_clicked(self): | |
| 293 """ | |
| 294 Private slot to handle the redo action. | |
| 295 """ | |
| 296 self.regexpTextEdit.document().redo() | |
| 297 | |
| 298 def on_buttonBox_clicked(self, button): | |
| 299 """ | |
| 300 Private slot called by a button of the button box clicked. | |
| 301 | |
| 302 @param button button that was clicked (QAbstractButton) | |
| 303 """ | |
| 304 if button == self.validateButton: | |
| 305 self.on_validateButton_clicked() | |
| 306 elif button == self.executeButton: | |
| 307 self.on_executeButton_clicked() | |
| 308 elif button == self.saveButton: | |
| 309 self.on_saveButton_clicked() | |
| 310 elif button == self.loadButton: | |
| 311 self.on_loadButton_clicked() | |
| 312 elif button == self.nextButton: | |
| 313 self.on_nextButton_clicked() | |
| 314 elif self.copyButton and button == self.copyButton: | |
| 315 self.on_copyButton_clicked() | |
| 316 | |
| 317 @pyqtSlot() | |
| 318 def on_saveButton_clicked(self): | |
| 319 """ | |
| 320 Private slot to save the QRegularExpression to a file. | |
| 321 """ | |
| 322 fname, selectedFilter = E5FileDialog.getSaveFileNameAndFilter( | |
| 323 self, | |
| 324 self.trUtf8("Save regular expression"), | |
| 325 "", | |
| 326 self.trUtf8("RegExp Files (*.rx);;All Files (*)"), | |
| 327 None, | |
| 328 E5FileDialog.Options(E5FileDialog.DontConfirmOverwrite)) | |
| 329 if fname: | |
| 330 ext = QFileInfo(fname).suffix() | |
| 331 if not ext: | |
| 332 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 333 if ex: | |
| 334 fname += ex | |
| 335 if QFileInfo(fname).exists(): | |
| 336 res = E5MessageBox.yesNo(self, | |
| 337 self.trUtf8("Save regular expression"), | |
| 338 self.trUtf8("<p>The file <b>{0}</b> already exists." | |
| 339 " Overwrite it?</p>").format(fname), | |
| 340 icon=E5MessageBox.Warning) | |
| 341 if not res: | |
| 342 return | |
| 343 | |
| 344 try: | |
| 345 f = open(Utilities.toNativeSeparators(fname), "w", encoding="utf-8") | |
| 346 f.write(self.regexpTextEdit.toPlainText()) | |
| 347 f.close() | |
| 348 except IOError as err: | |
| 349 E5MessageBox.information(self, | |
| 350 self.trUtf8("Save regular expression"), | |
| 351 self.trUtf8("""<p>The regular expression could not be saved.</p>""" | |
| 352 """<p>Reason: {0}</p>""").format(str(err))) | |
| 353 | |
| 354 @pyqtSlot() | |
| 355 def on_loadButton_clicked(self): | |
| 356 """ | |
| 357 Private slot to load a QRegularExpression from a file. | |
| 358 """ | |
| 359 fname = E5FileDialog.getOpenFileName( | |
| 360 self, | |
| 361 self.trUtf8("Load regular expression"), | |
| 362 "", | |
| 363 self.trUtf8("RegExp Files (*.rx);;All Files (*)")) | |
| 364 if fname: | |
| 365 try: | |
| 366 f = open(Utilities.toNativeSeparators(fname), "r", encoding="utf-8") | |
| 367 regexp = f.read() | |
| 368 f.close() | |
| 369 self.regexpTextEdit.setPlainText(regexp) | |
| 370 except IOError as err: | |
| 371 E5MessageBox.information(self, | |
| 372 self.trUtf8("Save regular expression"), | |
| 373 self.trUtf8("""<p>The regular expression could not be saved.</p>""" | |
| 374 """<p>Reason: {0}</p>""").format(str(err))) | |
| 375 | |
| 376 @pyqtSlot() | |
| 377 def on_copyButton_clicked(self): | |
| 378 """ | |
| 379 Private slot to copy the QRegularExpression string into the clipboard. | |
| 380 | |
| 381 This slot is only available, if not called from within eric5. | |
| 382 """ | |
| 383 escaped = self.regexpTextEdit.toPlainText() | |
| 384 if escaped: | |
| 385 escaped = escaped.replace("\\", "\\\\") | |
| 386 cb = QApplication.clipboard() | |
| 387 cb.setText(escaped, QClipboard.Clipboard) | |
| 388 if cb.supportsSelection(): | |
| 389 cb.setText(escaped, QClipboard.Selection) | |
| 390 | |
| 391 @pyqtSlot() | |
| 392 def on_validateButton_clicked(self): | |
| 393 """ | |
| 394 Private slot to validate the entered QRegularExpression. | |
| 395 """ | |
| 396 if qVersion() < "5.0.0" or not AVAILABLE: | |
| 397 # only available for Qt5 | |
| 398 return | |
| 399 | |
| 400 regex = self.regexpTextEdit.toPlainText() | |
| 401 if regex: | |
| 402 options = QRegularExpression.NoPatternOption | |
| 403 if self.caseInsensitiveCheckBox.isChecked(): | |
| 404 options |= QRegularExpression.CaseInsensitiveOption | |
| 405 if self.multilineCheckBox.isChecked(): | |
| 406 options |= QRegularExpression.MultilineOption | |
| 407 if self.dotallCheckBox.isChecked(): | |
| 408 options |= QRegularExpression.DotMatchesEverythingOption | |
| 409 if self.extendedCheckBox.isChecked(): | |
| 410 options |= QRegularExpression.ExtendedPatternSyntaxOption | |
| 411 if self.greedinessCheckBox.isChecked(): | |
| 412 options |= QRegularExpression.InvertedGreedinessOption | |
| 413 if self.unicodeCheckBox.isChecked(): | |
| 414 options |= QRegularExpression.UseUnicodePropertiesOption | |
| 415 if self.captureCheckBox.isChecked(): | |
| 416 options |= QRegularExpression.DontCaptureOption | |
| 417 | |
| 418 re = QRegularExpression(regex, options) | |
| 419 if re.isValid(): | |
| 420 E5MessageBox.information(self, | |
| 421 self.trUtf8("Validation"), | |
| 422 self.trUtf8("""The regular expression is valid.""")) | |
| 423 else: | |
| 424 E5MessageBox.critical(self, | |
| 425 self.trUtf8("Error"), | |
| 426 self.trUtf8("""Invalid regular expression: {0}""") | |
| 427 .format(re.errorString())) | |
| 428 # move cursor to error offset | |
| 429 offset = re.errorPatternOffset() | |
| 430 tc = self.regexpTextEdit.textCursor() | |
| 431 tc.setPosition(offset) | |
| 432 self.regexpTextEdit.setTextCursor(tc) | |
| 433 return | |
| 434 else: | |
| 435 E5MessageBox.critical(self, | |
| 436 self.trUtf8("Error"), | |
| 437 self.trUtf8("""A regular expression must be given.""")) | |
| 438 | |
| 439 @pyqtSlot() | |
| 440 def on_executeButton_clicked(self, startpos=0): | |
| 441 """ | |
| 442 Private slot to execute the entered QRegularExpression on the test text. | |
| 443 | |
| 444 This slot will execute the entered QRegularExpression on the entered test | |
| 445 data and will display the result in the table part of the dialog. | |
| 446 | |
| 447 @param startpos starting position for the QRegularExpression matching | |
| 448 """ | |
| 449 if qVersion() < "5.0.0" or not AVAILABLE: | |
| 450 # only available for Qt5 | |
| 451 return | |
| 452 | |
| 453 regex = self.regexpTextEdit.toPlainText() | |
| 454 text = self.textTextEdit.toPlainText() | |
| 455 if regex and text: | |
| 456 options = QRegularExpression.NoPatternOption | |
| 457 if self.caseInsensitiveCheckBox.isChecked(): | |
| 458 options |= QRegularExpression.CaseInsensitiveOption | |
| 459 if self.multilineCheckBox.isChecked(): | |
| 460 options |= QRegularExpression.MultilineOption | |
| 461 if self.dotallCheckBox.isChecked(): | |
| 462 options |= QRegularExpression.DotMatchesEverythingOption | |
| 463 if self.extendedCheckBox.isChecked(): | |
| 464 options |= QRegularExpression.ExtendedPatternSyntaxOption | |
| 465 if self.greedinessCheckBox.isChecked(): | |
| 466 options |= QRegularExpression.InvertedGreedinessOption | |
| 467 if self.unicodeCheckBox.isChecked(): | |
| 468 options |= QRegularExpression.UseUnicodePropertiesOption | |
| 469 if self.captureCheckBox.isChecked(): | |
| 470 options |= QRegularExpression.DontCaptureOption | |
| 471 | |
| 472 re = QRegularExpression(regex, options) | |
| 473 if not re.isValid(): | |
| 474 E5MessageBox.critical(self, | |
| 475 self.trUtf8("Error"), | |
| 476 self.trUtf8("""Invalid regular expression: {0}""") | |
| 477 .format(re.errorString())) | |
| 478 # move cursor to error offset | |
| 479 offset = re.errorPatternOffset() | |
| 480 tc = self.regexpTextEdit.textCursor() | |
| 481 tc.setPosition(offset) | |
| 482 self.regexpTextEdit.setTextCursor(tc) | |
| 483 return | |
| 484 | |
| 485 match = re.match(text, startpos) | |
| 486 if match.hasMatch(): | |
| 487 captures = match.lastCapturedIndex() | |
| 488 else: | |
| 489 captures = 0 | |
| 490 row = 0 | |
| 491 OFFSET = 5 | |
| 492 | |
| 493 self.resultTable.setColumnCount(0) | |
| 494 self.resultTable.setColumnCount(3) | |
| 495 self.resultTable.setRowCount(0) | |
| 496 self.resultTable.setRowCount(OFFSET) | |
| 497 self.resultTable.setItem(row, 0, QTableWidgetItem(self.trUtf8("Regexp"))) | |
| 498 self.resultTable.setItem(row, 1, QTableWidgetItem(regex)) | |
| 499 | |
| 500 if match.hasMatch(): | |
| 501 # index 0 is the complete match | |
| 502 offset = match.capturedStart(0) | |
| 503 self.lastMatchEnd = match.capturedEnd(0) | |
| 504 self.nextButton.setEnabled(True) | |
| 505 row += 1 | |
| 506 self.resultTable.setItem(row, 0, | |
| 507 QTableWidgetItem(self.trUtf8("Offset"))) | |
| 508 self.resultTable.setItem(row, 1, | |
| 509 QTableWidgetItem("{0:d}".format(match.capturedStart(0)))) | |
| 510 | |
| 511 row += 1 | |
| 512 self.resultTable.setItem(row, 0, | |
| 513 QTableWidgetItem(self.trUtf8("Captures"))) | |
| 514 self.resultTable.setItem(row, 1, | |
| 515 QTableWidgetItem("{0:d}".format(captures))) | |
| 516 row += 1 | |
| 517 self.resultTable.setItem(row, 1, | |
| 518 QTableWidgetItem(self.trUtf8("Text"))) | |
| 519 self.resultTable.setItem(row, 2, | |
| 520 QTableWidgetItem(self.trUtf8("Characters"))) | |
| 521 | |
| 522 row += 1 | |
| 523 self.resultTable.setItem(row, 0, | |
| 524 QTableWidgetItem(self.trUtf8("Match"))) | |
| 525 self.resultTable.setItem(row, 1, | |
| 526 QTableWidgetItem(match.captured(0))) | |
| 527 self.resultTable.setItem(row, 2, | |
| 528 QTableWidgetItem("{0:d}".format(match.capturedLength(0)))) | |
| 529 | |
| 530 for i in range(1, captures + 1): | |
| 531 if match.captured(i): | |
| 532 row += 1 | |
| 533 self.resultTable.insertRow(row) | |
| 534 self.resultTable.setItem(row, 0, | |
| 535 QTableWidgetItem(self.trUtf8("Capture #{0}").format(i))) | |
| 536 self.resultTable.setItem(row, 1, | |
| 537 QTableWidgetItem(match.captured(i))) | |
| 538 self.resultTable.setItem(row, 2, | |
| 539 QTableWidgetItem("{0:d}".format(match.capturedLength(i)))) | |
| 540 | |
| 541 # highlight the matched text | |
| 542 tc = self.textTextEdit.textCursor() | |
| 543 tc.setPosition(offset) | |
| 544 tc.setPosition(self.lastMatchEnd, QTextCursor.KeepAnchor) | |
| 545 self.textTextEdit.setTextCursor(tc) | |
| 546 else: | |
| 547 self.nextButton.setEnabled(False) | |
| 548 self.resultTable.setRowCount(2) | |
| 549 row += 1 | |
| 550 if startpos > 0: | |
| 551 self.resultTable.setItem(row, 0, | |
| 552 QTableWidgetItem(self.trUtf8("No more matches"))) | |
| 553 else: | |
| 554 self.resultTable.setItem(row, 0, | |
| 555 QTableWidgetItem(self.trUtf8("No matches"))) | |
| 556 | |
| 557 # remove the highlight | |
| 558 tc = self.textTextEdit.textCursor() | |
| 559 tc.setPosition(0) | |
| 560 self.textTextEdit.setTextCursor(tc) | |
| 561 | |
| 562 self.resultTable.resizeColumnsToContents() | |
| 563 self.resultTable.resizeRowsToContents() | |
| 564 self.resultTable.verticalHeader().hide() | |
| 565 self.resultTable.horizontalHeader().hide() | |
| 566 else: | |
| 567 E5MessageBox.critical(self, | |
| 568 self.trUtf8("Error"), | |
| 569 self.trUtf8("""A regular expression and a text must be given.""")) | |
| 570 | |
| 571 @pyqtSlot() | |
| 572 def on_nextButton_clicked(self): | |
| 573 """ | |
| 574 Private slot to find the next match. | |
| 575 """ | |
| 576 self.on_executeButton_clicked(self.lastMatchEnd) | |
| 577 | |
| 578 @pyqtSlot() | |
| 579 def on_regexpTextEdit_textChanged(self): | |
| 580 """ | |
| 581 Private slot called when the regexp changes. | |
| 582 """ | |
| 583 if self.nextButton: | |
| 584 self.nextButton.setEnabled(False) | |
| 585 | |
| 586 def getCode(self, indLevel, indString): | |
| 587 """ | |
| 588 Public method to get the source code. | |
| 589 | |
| 590 @param indLevel indentation level (int) | |
| 591 @param indString string used for indentation (space or tab) (string) | |
| 592 @return generated code (string) | |
| 593 """ | |
| 594 # calculate the indentation string | |
| 595 i1string = (indLevel + 1) * indString | |
| 596 estring = os.linesep + indLevel * indString | |
| 597 | |
| 598 # now generate the code | |
| 599 reVar = self.variableLineEdit.text() | |
| 600 if not reVar: | |
| 601 reVar = "regexp" | |
| 602 | |
| 603 regexp = self.regexpTextEdit.toPlainText() | |
| 604 | |
| 605 options = [] | |
| 606 if self.caseInsensitiveCheckBox.isChecked(): | |
| 607 options.append("QRegularExpression.CaseInsensitiveOption") | |
| 608 if self.multilineCheckBox.isChecked(): | |
| 609 options.append("QRegularExpression.MultilineOption") | |
| 610 if self.dotallCheckBox.isChecked(): | |
| 611 options.append("QRegularExpression.DotMatchesEverythingOption") | |
| 612 if self.extendedCheckBox.isChecked(): | |
| 613 options.append("QRegularExpression.ExtendedPatternSyntaxOption") | |
| 614 if self.greedinessCheckBox.isChecked(): | |
| 615 options.append("QRegularExpression.InvertedGreedinessOption") | |
| 616 if self.unicodeCheckBox.isChecked(): | |
| 617 options.append("QRegularExpression.UseUnicodePropertiesOption") | |
| 618 if self.captureCheckBox.isChecked(): | |
| 619 options.append("QRegularExpression.DontCaptureOption") | |
| 620 options = " | \\{0}{1}".format(os.linesep, i1string).join(options) | |
| 621 | |
| 622 code = '{0} = QRegularExpression(r"""{1}"""'.format( | |
| 623 reVar, regexp.replace('"', '\\"')) | |
| 624 if options: | |
| 625 code += ', {0}{1}{2}'.format(os.linesep, i1string, options) | |
| 626 code += '){0}'.format(estring) | |
| 627 return code | |
| 628 | |
| 629 | |
| 630 class QRegularExpressionWizardDialog(QDialog): | |
| 631 """ | |
| 632 Class for the dialog variant. | |
| 633 """ | |
| 634 def __init__(self, parent=None, fromEric=True): | |
| 635 """ | |
| 636 Constructor | |
| 637 | |
| 638 @param parent parent widget (QWidget) | |
| 639 @param fromEric flag indicating a call from within eric5 | |
| 640 """ | |
| 641 super().__init__(parent) | |
| 642 self.setModal(fromEric) | |
| 643 self.setSizeGripEnabled(True) | |
| 644 | |
| 645 self.__layout = QVBoxLayout(self) | |
| 646 self.__layout.setMargin(0) | |
| 647 self.setLayout(self.__layout) | |
| 648 | |
| 649 self.cw = QRegularExpressionWizardWidget(self, fromEric) | |
| 650 size = self.cw.size() | |
| 651 self.__layout.addWidget(self.cw) | |
| 652 self.resize(size) | |
| 653 self.setWindowTitle(self.cw.windowTitle()) | |
| 654 | |
| 655 self.cw.buttonBox.accepted[()].connect(self.accept) | |
| 656 self.cw.buttonBox.rejected[()].connect(self.reject) | |
| 657 | |
| 658 def getCode(self, indLevel, indString): | |
| 659 """ | |
| 660 Public method to get the source code. | |
| 661 | |
| 662 @param indLevel indentation level (int) | |
| 663 @param indString string used for indentation (space or tab) (string) | |
| 664 @return generated code (string) | |
| 665 """ | |
| 666 return self.cw.getCode(indLevel, indString) | |
| 667 | |
| 668 | |
| 669 class QRegularExpressionWizardWindow(E5MainWindow): | |
| 670 """ | |
| 671 Main window class for the standalone dialog. | |
| 672 """ | |
| 673 def __init__(self, parent=None): | |
| 674 """ | |
| 675 Constructor | |
| 676 | |
| 677 @param parent reference to the parent widget (QWidget) | |
| 678 """ | |
| 679 super().__init__(parent) | |
| 680 self.cw = QRegularExpressionWizardWidget(self, fromEric=False) | |
| 681 size = self.cw.size() | |
| 682 self.setCentralWidget(self.cw) | |
| 683 self.resize(size) | |
| 684 self.setWindowTitle(self.cw.windowTitle()) | |
| 685 | |
| 686 self.setStyle(Preferences.getUI("Style"), Preferences.getUI("StyleSheet")) | |
| 687 | |
| 688 self.cw.buttonBox.accepted[()].connect(self.close) | |
| 689 self.cw.buttonBox.rejected[()].connect(self.close) |
