Mercurial Repositories > eric / file comparison
comparison: Plugins/WizardPlugins/PyRegExpWizard/PyRegExpWizardDialog.py
Plugins/WizardPlugins/PyRegExpWizard/PyRegExpWizardDialog.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing the Python re wizard dialog. | |
| 8 """ | |
| 9 | |
| 10 import sys | |
| 11 import os | |
| 12 import re | |
| 13 | |
| 14 from PyQt4.QtCore import * | |
| 15 from PyQt4.QtGui import * | |
| 16 | |
| 17 from Ui_PyRegExpWizardDialog import Ui_PyRegExpWizardDialog | |
| 18 | |
| 19 from PyRegExpWizardRepeatDialog import PyRegExpWizardRepeatDialog | |
| 20 from PyRegExpWizardCharactersDialog import PyRegExpWizardCharactersDialog | |
| 21 | |
| 22 import UI.PixmapCache | |
| 23 | |
| 24 import Utilities | |
| 25 | |
| 26 class PyRegExpWizardWidget(QWidget, Ui_PyRegExpWizardDialog): | |
| 27 """ | |
| 28 Class implementing the Python re wizard dialog. | |
| 29 """ | |
| 30 def __init__(self, parent = None, fromEric = True): | |
| 31 """ | |
| 32 Constructor | |
| 33 | |
| 34 @param parent parent widget (QWidget) | |
| 35 @param fromEric flag indicating a call from within eric4 | |
| 36 """ | |
| 37 QWidget.__init__(self,parent) | |
| 38 self.setupUi(self) | |
| 39 | |
| 40 # initialize icons of the tool buttons | |
| 41 self.commentButton.setIcon(UI.PixmapCache.getIcon("comment.png")) | |
| 42 self.charButton.setIcon(UI.PixmapCache.getIcon("characters.png")) | |
| 43 self.anycharButton.setIcon(UI.PixmapCache.getIcon("anychar.png")) | |
| 44 self.repeatButton.setIcon(UI.PixmapCache.getIcon("repeat.png")) | |
| 45 self.nonGroupButton.setIcon(UI.PixmapCache.getIcon("nongroup.png")) | |
| 46 self.groupButton.setIcon(UI.PixmapCache.getIcon("group.png")) | |
| 47 self.namedGroupButton.setIcon(UI.PixmapCache.getIcon("namedgroup.png")) | |
| 48 self.namedReferenceButton.setIcon(UI.PixmapCache.getIcon("namedreference.png")) | |
| 49 self.altnButton.setIcon(UI.PixmapCache.getIcon("altn.png")) | |
| 50 self.beglineButton.setIcon(UI.PixmapCache.getIcon("begline.png")) | |
| 51 self.endlineButton.setIcon(UI.PixmapCache.getIcon("endline.png")) | |
| 52 self.wordboundButton.setIcon(UI.PixmapCache.getIcon("wordboundary.png")) | |
| 53 self.nonwordboundButton.setIcon(UI.PixmapCache.getIcon("nonwordboundary.png")) | |
| 54 self.poslookaheadButton.setIcon(UI.PixmapCache.getIcon("poslookahead.png")) | |
| 55 self.neglookaheadButton.setIcon(UI.PixmapCache.getIcon("neglookahead.png")) | |
| 56 self.poslookbehindButton.setIcon(UI.PixmapCache.getIcon("poslookbehind.png")) | |
| 57 self.neglookbehindButton.setIcon(UI.PixmapCache.getIcon("neglookbehind.png")) | |
| 58 self.undoButton.setIcon(UI.PixmapCache.getIcon("editUndo.png")) | |
| 59 self.redoButton.setIcon(UI.PixmapCache.getIcon("editRedo.png")) | |
| 60 | |
| 61 self.namedGroups = re.compile(r"""\(?P<([^>]+)>""").findall | |
| 62 | |
| 63 self.saveButton = \ | |
| 64 self.buttonBox.addButton(self.trUtf8("Save"), QDialogButtonBox.ActionRole) | |
| 65 self.saveButton.setToolTip(self.trUtf8("Save the regular expression to a file")) | |
| 66 self.loadButton = \ | |
| 67 self.buttonBox.addButton(self.trUtf8("Load"), QDialogButtonBox.ActionRole) | |
| 68 self.loadButton.setToolTip(self.trUtf8("Load a regular expression from a file")) | |
| 69 self.validateButton = \ | |
| 70 self.buttonBox.addButton(self.trUtf8("Validate"), QDialogButtonBox.ActionRole) | |
| 71 self.validateButton.setToolTip(self.trUtf8("Validate the regular expression")) | |
| 72 self.executeButton = \ | |
| 73 self.buttonBox.addButton(self.trUtf8("Execute"), QDialogButtonBox.ActionRole) | |
| 74 self.executeButton.setToolTip(self.trUtf8("Execute the regular expression")) | |
| 75 self.nextButton = \ | |
| 76 self.buttonBox.addButton(self.trUtf8("Next match"), | |
| 77 QDialogButtonBox.ActionRole) | |
| 78 self.nextButton.setToolTip(\ | |
| 79 self.trUtf8("Show the next match of the regular expression")) | |
| 80 self.nextButton.setEnabled(False) | |
| 81 | |
| 82 if fromEric: | |
| 83 self.buttonBox.button(QDialogButtonBox.Close).hide() | |
| 84 self.copyButton = None | |
| 85 else: | |
| 86 self.copyButton = \ | |
| 87 self.buttonBox.addButton(self.trUtf8("Copy"), QDialogButtonBox.ActionRole) | |
| 88 self.copyButton.setToolTip(\ | |
| 89 self.trUtf8("Copy the regular expression to the clipboard")) | |
| 90 self.buttonBox.button(QDialogButtonBox.Ok).hide() | |
| 91 self.buttonBox.button(QDialogButtonBox.Cancel).hide() | |
| 92 self.variableLabel.hide() | |
| 93 self.variableLineEdit.hide() | |
| 94 self.variableLine.hide() | |
| 95 self.importCheckBox.hide() | |
| 96 self.regexpTextEdit.setFocus() | |
| 97 | |
| 98 def __insertString(self, s, steps = 0): | |
| 99 """ | |
| 100 Private method to insert a string into line edit and move cursor. | |
| 101 | |
| 102 @param s string to be inserted into the regexp line edit | |
| 103 (string) | |
| 104 @param steps number of characters to move the cursor (integer). | |
| 105 Negative steps moves cursor back, positives forward. | |
| 106 """ | |
| 107 self.regexpTextEdit.insertPlainText(s) | |
| 108 tc = self.regexpTextEdit.textCursor() | |
| 109 if steps != 0: | |
| 110 if steps < 0: | |
| 111 act = QTextCursor.Left | |
| 112 steps = abs(steps) | |
| 113 else: | |
| 114 act = QTextCursor.Right | |
| 115 for i in range(steps): | |
| 116 tc.movePosition(act) | |
| 117 self.regexpTextEdit.setTextCursor(tc) | |
| 118 | |
| 119 @pyqtSlot() | |
| 120 def on_commentButton_clicked(self): | |
| 121 """ | |
| 122 Private slot to handle the comment toolbutton. | |
| 123 """ | |
| 124 self.__insertString("(?#)", -1) | |
| 125 | |
| 126 @pyqtSlot() | |
| 127 def on_anycharButton_clicked(self): | |
| 128 """ | |
| 129 Private slot to handle the any character toolbutton. | |
| 130 """ | |
| 131 self.__insertString(".") | |
| 132 | |
| 133 @pyqtSlot() | |
| 134 def on_nonGroupButton_clicked(self): | |
| 135 """ | |
| 136 Private slot to handle the non group toolbutton. | |
| 137 """ | |
| 138 self.__insertString("(?:)", -1) | |
| 139 | |
| 140 @pyqtSlot() | |
| 141 def on_groupButton_clicked(self): | |
| 142 """ | |
| 143 Private slot to handle the group toolbutton. | |
| 144 """ | |
| 145 self.__insertString("()", -1) | |
| 146 | |
| 147 @pyqtSlot() | |
| 148 def on_namedGroupButton_clicked(self): | |
| 149 """ | |
| 150 Private slot to handle the named group toolbutton. | |
| 151 """ | |
| 152 self.__insertString("(?P<>)", -2) | |
| 153 | |
| 154 @pyqtSlot() | |
| 155 def on_namedReferenceButton_clicked(self): | |
| 156 """ | |
| 157 Private slot to handle the named reference toolbutton. | |
| 158 """ | |
| 159 # determine cursor position as length into text | |
| 160 length = self.regexpTextEdit.textCursor().position() | |
| 161 | |
| 162 # only present group names that occur before the current cursor position | |
| 163 regex = self.regexpTextEdit.toPlainText()[:length] | |
| 164 names = self.namedGroups(regex) | |
| 165 if not names: | |
| 166 QMessageBox.information(None, | |
| 167 self.trUtf8("Named reference"), | |
| 168 self.trUtf8("""No named groups have been defined yet.""")) | |
| 169 return | |
| 170 | |
| 171 groupName, ok = QInputDialog.getItem(\ | |
| 172 None, | |
| 173 self.trUtf8("Named reference"), | |
| 174 self.trUtf8("Select group name:"), | |
| 175 names, | |
| 176 0, True) | |
| 177 if ok and groupName: | |
| 178 self.__insertString("(?P=%s)" % groupName) | |
| 179 | |
| 180 @pyqtSlot() | |
| 181 def on_altnButton_clicked(self): | |
| 182 """ | |
| 183 Private slot to handle the alternatives toolbutton. | |
| 184 """ | |
| 185 self.__insertString("(|)", -2) | |
| 186 | |
| 187 @pyqtSlot() | |
| 188 def on_beglineButton_clicked(self): | |
| 189 """ | |
| 190 Private slot to handle the begin line toolbutton. | |
| 191 """ | |
| 192 self.__insertString("^") | |
| 193 | |
| 194 @pyqtSlot() | |
| 195 def on_endlineButton_clicked(self): | |
| 196 """ | |
| 197 Private slot to handle the end line toolbutton. | |
| 198 """ | |
| 199 self.__insertString("$") | |
| 200 | |
| 201 @pyqtSlot() | |
| 202 def on_wordboundButton_clicked(self): | |
| 203 """ | |
| 204 Private slot to handle the word boundary toolbutton. | |
| 205 """ | |
| 206 self.__insertString("\\b") | |
| 207 | |
| 208 @pyqtSlot() | |
| 209 def on_nonwordboundButton_clicked(self): | |
| 210 """ | |
| 211 Private slot to handle the non word boundary toolbutton. | |
| 212 """ | |
| 213 self.__insertString("\\B") | |
| 214 | |
| 215 @pyqtSlot() | |
| 216 def on_poslookaheadButton_clicked(self): | |
| 217 """ | |
| 218 Private slot to handle the positive lookahead toolbutton. | |
| 219 """ | |
| 220 self.__insertString("(?=)", -1) | |
| 221 | |
| 222 @pyqtSlot() | |
| 223 def on_neglookaheadButton_clicked(self): | |
| 224 """ | |
| 225 Private slot to handle the negative lookahead toolbutton. | |
| 226 """ | |
| 227 self.__insertString("(?!)", -1) | |
| 228 | |
| 229 @pyqtSlot() | |
| 230 def on_poslookbehindButton_clicked(self): | |
| 231 """ | |
| 232 Private slot to handle the positive lookbehind toolbutton. | |
| 233 """ | |
| 234 self.__insertString("(?<=)", -1) | |
| 235 | |
| 236 @pyqtSlot() | |
| 237 def on_neglookbehindButton_clicked(self): | |
| 238 """ | |
| 239 Private slot to handle the negative lookbehind toolbutton. | |
| 240 """ | |
| 241 self.__insertString("(?<!)", -1) | |
| 242 | |
| 243 @pyqtSlot() | |
| 244 def on_repeatButton_clicked(self): | |
| 245 """ | |
| 246 Private slot to handle the repeat toolbutton. | |
| 247 """ | |
| 248 dlg = PyRegExpWizardRepeatDialog(self) | |
| 249 if dlg.exec_() == QDialog.Accepted: | |
| 250 self.__insertString(dlg.getRepeat()) | |
| 251 | |
| 252 @pyqtSlot() | |
| 253 def on_charButton_clicked(self): | |
| 254 """ | |
| 255 Private slot to handle the characters toolbutton. | |
| 256 """ | |
| 257 dlg = PyRegExpWizardCharactersDialog(self) | |
| 258 if dlg.exec_() == QDialog.Accepted: | |
| 259 self.__insertString(dlg.getCharacters()) | |
| 260 | |
| 261 @pyqtSlot() | |
| 262 def on_undoButton_clicked(self): | |
| 263 """ | |
| 264 Private slot to handle the undo action. | |
| 265 """ | |
| 266 self.regexpTextEdit.document().undo() | |
| 267 | |
| 268 @pyqtSlot() | |
| 269 def on_redoButton_clicked(self): | |
| 270 """ | |
| 271 Private slot to handle the redo action. | |
| 272 """ | |
| 273 self.regexpTextEdit.document().redo() | |
| 274 | |
| 275 def on_buttonBox_clicked(self, button): | |
| 276 """ | |
| 277 Private slot called by a button of the button box clicked. | |
| 278 | |
| 279 @param button button that was clicked (QAbstractButton) | |
| 280 """ | |
| 281 if button == self.validateButton: | |
| 282 self.on_validateButton_clicked() | |
| 283 elif button == self.executeButton: | |
| 284 self.on_executeButton_clicked() | |
| 285 elif button == self.saveButton: | |
| 286 self.on_saveButton_clicked() | |
| 287 elif button == self.loadButton: | |
| 288 self.on_loadButton_clicked() | |
| 289 elif button == self.nextButton: | |
| 290 self.on_nextButton_clicked() | |
| 291 elif self.copyButton and button == self.copyButton: | |
| 292 self.on_copyButton_clicked() | |
| 293 | |
| 294 @pyqtSlot() | |
| 295 def on_saveButton_clicked(self): | |
| 296 """ | |
| 297 Private slot to save the regexp to a file. | |
| 298 """ | |
| 299 fname, selectedFilter = QFileDialog.getSaveFileNameAndFilter(\ | |
| 300 self, | |
| 301 self.trUtf8("Save regular expression"), | |
| 302 "", | |
| 303 self.trUtf8("RegExp Files (*.rx);;All Files (*)"), | |
| 304 None, | |
| 305 QFileDialog.Options(QFileDialog.DontConfirmOverwrite)) | |
| 306 if fname: | |
| 307 ext = QFileInfo(fname).suffix() | |
| 308 if not ext: | |
| 309 ex = selectedFilter.split("(*")[1].split(")")[0] | |
| 310 if ex: | |
| 311 fname += ex | |
| 312 if QFileInfo(fname).exists(): | |
| 313 res = QMessageBox.warning(self, | |
| 314 self.trUtf8("Save regular expression"), | |
| 315 self.trUtf8("<p>The file <b>{0}</b> already exists.</p>") | |
| 316 .format(fname), | |
| 317 QMessageBox.StandardButtons(\ | |
| 318 QMessageBox.Abort | \ | |
| 319 QMessageBox.Save), | |
| 320 QMessageBox.Abort) | |
| 321 if res == QMessageBox.Abort or res == QMessageBox.Cancel: | |
| 322 return | |
| 323 | |
| 324 try: | |
| 325 f=open(Utilities.toNativeSeparators(fname), "wb") | |
| 326 f.write(self.regexpTextEdit.toPlainText()) | |
| 327 f.close() | |
| 328 except IOError, err: | |
| 329 QMessageBox.information(self, | |
| 330 self.trUtf8("Save regular expression"), | |
| 331 self.trUtf8("""<p>The regular expression could not be saved.</p>""" | |
| 332 """<p>Reason: {0}</p>""").format(unicode(err))) | |
| 333 | |
| 334 @pyqtSlot() | |
| 335 def on_loadButton_clicked(self): | |
| 336 """ | |
| 337 Private slot to load a regexp from a file. | |
| 338 """ | |
| 339 fname = QFileDialog.getOpenFileName(\ | |
| 340 self, | |
| 341 self.trUtf8("Load regular expression"), | |
| 342 "", | |
| 343 self.trUtf8("RegExp Files (*.rx);;All Files (*)")) | |
| 344 if fname: | |
| 345 try: | |
| 346 f=open(Utilities.toNativeSeparators(fname), "rb") | |
| 347 regexp = f.read() | |
| 348 f.close() | |
| 349 self.regexpTextEdit.setPlainText(regexp) | |
| 350 except IOError, err: | |
| 351 QMessageBox.information(self, | |
| 352 self.trUtf8("Save regular expression"), | |
| 353 self.trUtf8("""<p>The regular expression could not be saved.</p>""" | |
| 354 """<p>Reason: {0}</p>""").format(unicode(err))) | |
| 355 | |
| 356 @pyqtSlot() | |
| 357 def on_copyButton_clicked(self): | |
| 358 """ | |
| 359 Private slot to copy the regexp string into the clipboard. | |
| 360 | |
| 361 This slot is only available, if not called from within eric4. | |
| 362 """ | |
| 363 escaped = self.regexpTextEdit.toPlainText() | |
| 364 if escaped: | |
| 365 escaped = escaped.replace("\\", "\\\\") | |
| 366 cb = QApplication.clipboard() | |
| 367 cb.setText(escaped, QClipboard.Clipboard) | |
| 368 if cb.supportsSelection(): | |
| 369 cb.setText(escaped, QClipboard.Selection) | |
| 370 | |
| 371 @pyqtSlot() | |
| 372 def on_validateButton_clicked(self): | |
| 373 """ | |
| 374 Private slot to validate the entered regexp. | |
| 375 """ | |
| 376 regex = self.regexpTextEdit.toPlainText() | |
| 377 if regex: | |
| 378 try: | |
| 379 if self.py2Button.isChecked(): | |
| 380 regobj = re.compile(regex, | |
| 381 (not self.caseSensitiveCheckBox.isChecked() and re.IGNORECASE or 0) | \ | |
| 382 self.multilineCheckBox.isChecked() and re.MULTILINE or 0 | \ | |
| 383 self.dotallCheckBox.isChecked() and re.DOTALL or 0 | \ | |
| 384 self.verboseCheckBox.isChecked() and re.VERBOSE or 0 | \ | |
| 385 self.localeCheckBox.isChecked() and re.LOCALE or 0 | \ | |
| 386 self.unicodeCheckBox.isChecked() and re.UNICODE or 0) | |
| 387 else: | |
| 388 regobj = re.compile(regex, | |
| 389 (not self.caseSensitiveCheckBox.isChecked() and re.IGNORECASE or 0) | \ | |
| 390 self.multilineCheckBox.isChecked() and re.MULTILINE or 0 | \ | |
| 391 self.dotallCheckBox.isChecked() and re.DOTALL or 0 | \ | |
| 392 self.verboseCheckBox.isChecked() and re.VERBOSE or 0 | \ | |
| 393 (not self.unicodeCheckBox.isChecked() and re.UNICODE or 0)) | |
| 394 QMessageBox.information(None, | |
| 395 self.trUtf8(""), | |
| 396 self.trUtf8("""The regular expression is valid.""")) | |
| 397 except re.error, e: | |
| 398 QMessageBox.critical(None, | |
| 399 self.trUtf8("Error"), | |
| 400 self.trUtf8("""Invalid regular expression: {0}""") | |
| 401 .format(unicode(e))) | |
| 402 return | |
| 403 except IndexError: | |
| 404 QMessageBox.critical(None, | |
| 405 self.trUtf8("Error"), | |
| 406 self.trUtf8("""Invalid regular expression: missing group name""")) | |
| 407 return | |
| 408 else: | |
| 409 QMessageBox.critical(None, | |
| 410 self.trUtf8("Error"), | |
| 411 self.trUtf8("""A regular expression must be given.""")) | |
| 412 | |
| 413 @pyqtSlot() | |
| 414 def on_executeButton_clicked(self, startpos = 0): | |
| 415 """ | |
| 416 Private slot to execute the entered regexp on the test text. | |
| 417 | |
| 418 This slot will execute the entered regexp on the entered test | |
| 419 data and will display the result in the table part of the dialog. | |
| 420 | |
| 421 @param startpos starting position for the regexp matching | |
| 422 """ | |
| 423 regex = self.regexpTextEdit.toPlainText() | |
| 424 text = self.textTextEdit.toPlainText() | |
| 425 if regex and text: | |
| 426 try: | |
| 427 if self.py2Button.isChecked(): | |
| 428 regobj = re.compile(regex, | |
| 429 (not self.caseSensitiveCheckBox.isChecked() and re.IGNORECASE or 0) | \ | |
| 430 self.multilineCheckBox.isChecked() and re.MULTILINE or 0 | \ | |
| 431 self.dotallCheckBox.isChecked() and re.DOTALL or 0 | \ | |
| 432 self.verboseCheckBox.isChecked() and re.VERBOSE or 0 | \ | |
| 433 self.localeCheckBox.isChecked() and re.LOCALE or 0 | \ | |
| 434 self.unicodeCheckBox.isChecked() and re.UNICODE or 0) | |
| 435 else: | |
| 436 regobj = re.compile(regex, | |
| 437 (not self.caseSensitiveCheckBox.isChecked() and re.IGNORECASE or 0) | \ | |
| 438 self.multilineCheckBox.isChecked() and re.MULTILINE or 0 | \ | |
| 439 self.dotallCheckBox.isChecked() and re.DOTALL or 0 | \ | |
| 440 self.verboseCheckBox.isChecked() and re.VERBOSE or 0 | \ | |
| 441 (not self.unicodeCheckBox.isChecked() and re.UNICODE or 0)) | |
| 442 matchobj = regobj.search(text, startpos) | |
| 443 if matchobj is not None: | |
| 444 captures = len(matchobj.groups()) | |
| 445 if captures is None: | |
| 446 captures = 0 | |
| 447 else: | |
| 448 captures = 0 | |
| 449 row = 0 | |
| 450 OFFSET = 5 | |
| 451 | |
| 452 self.resultTable.setColumnCount(0) | |
| 453 self.resultTable.setColumnCount(3) | |
| 454 self.resultTable.setRowCount(0) | |
| 455 self.resultTable.setRowCount(OFFSET) | |
| 456 self.resultTable.setItem(row, 0, QTableWidgetItem(self.trUtf8("Regexp"))) | |
| 457 self.resultTable.setItem(row, 1, QTableWidgetItem(regex)) | |
| 458 | |
| 459 if matchobj is not None: | |
| 460 offset = matchobj.start() | |
| 461 self.lastMatchEnd = matchobj.end() | |
| 462 self.nextButton.setEnabled(True) | |
| 463 row += 1 | |
| 464 self.resultTable.setItem(row, 0, | |
| 465 QTableWidgetItem(self.trUtf8("Offset"))) | |
| 466 self.resultTable.setItem(row, 1, | |
| 467 QTableWidgetItem("%d" % matchobj.start(0))) | |
| 468 | |
| 469 row += 1 | |
| 470 self.resultTable.setItem(row, 0, | |
| 471 QTableWidgetItem(self.trUtf8("Captures"))) | |
| 472 self.resultTable.setItem(row, 1, | |
| 473 QTableWidgetItem("%d" % captures)) | |
| 474 row += 1 | |
| 475 self.resultTable.setItem(row, 1, | |
| 476 QTableWidgetItem(self.trUtf8("Text"))) | |
| 477 self.resultTable.setItem(row, 2, | |
| 478 QTableWidgetItem(self.trUtf8("Characters"))) | |
| 479 | |
| 480 row += 1 | |
| 481 self.resultTable.setItem(row, 0, | |
| 482 QTableWidgetItem(self.trUtf8("Match"))) | |
| 483 self.resultTable.setItem(row, 1, | |
| 484 QTableWidgetItem(matchobj.group(0))) | |
| 485 self.resultTable.setItem(row, 2, | |
| 486 QTableWidgetItem("%d" % len(matchobj.group(0)))) | |
| 487 | |
| 488 for i in range(1, captures + 1): | |
| 489 if matchobj.group(i) is not None: | |
| 490 row += 1 | |
| 491 self.resultTable.insertRow(row) | |
| 492 self.resultTable.setItem(row, 0, | |
| 493 QTableWidgetItem(self.trUtf8("Capture #{0}").format(i))) | |
| 494 self.resultTable.setItem(row, 1, | |
| 495 QTableWidgetItem(matchobj.group(i))) | |
| 496 self.resultTable.setItem(row, 2, | |
| 497 QTableWidgetItem("%d" % len(matchobj.group(i)))) | |
| 498 | |
| 499 # highlight the matched text | |
| 500 tc = self.textTextEdit.textCursor() | |
| 501 tc.setPosition(offset) | |
| 502 tc.setPosition(self.lastMatchEnd, QTextCursor.KeepAnchor) | |
| 503 self.textTextEdit.setTextCursor(tc) | |
| 504 else: | |
| 505 self.nextButton.setEnabled(False) | |
| 506 self.resultTable.setRowCount(2) | |
| 507 row += 1 | |
| 508 if startpos > 0: | |
| 509 self.resultTable.setItem(row, 0, | |
| 510 QTableWidgetItem(self.trUtf8("No more matches"))) | |
| 511 else: | |
| 512 self.resultTable.setItem(row, 0, | |
| 513 QTableWidgetItem(self.trUtf8("No matches"))) | |
| 514 | |
| 515 # remove the highlight | |
| 516 tc = self.textTextEdit.textCursor() | |
| 517 tc.setPosition(0) | |
| 518 self.textTextEdit.setTextCursor(tc) | |
| 519 | |
| 520 self.resultTable.resizeColumnsToContents() | |
| 521 self.resultTable.resizeRowsToContents() | |
| 522 self.resultTable.verticalHeader().hide() | |
| 523 self.resultTable.horizontalHeader().hide() | |
| 524 except re.error, e: | |
| 525 QMessageBox.critical(None, | |
| 526 self.trUtf8("Error"), | |
| 527 self.trUtf8("""Invalid regular expression: {0}""") | |
| 528 .format(unicode(e))) | |
| 529 return | |
| 530 except IndexError: | |
| 531 QMessageBox.critical(None, | |
| 532 self.trUtf8("Error"), | |
| 533 self.trUtf8("""Invalid regular expression: missing group name""")) | |
| 534 return | |
| 535 else: | |
| 536 QMessageBox.critical(None, | |
| 537 self.trUtf8("Error"), | |
| 538 self.trUtf8("""A regular expression and a text must be given.""")) | |
| 539 | |
| 540 @pyqtSlot() | |
| 541 def on_nextButton_clicked(self): | |
| 542 """ | |
| 543 Private slot to find the next match. | |
| 544 """ | |
| 545 self.on_executeButton_clicked(self.lastMatchEnd) | |
| 546 | |
| 547 @pyqtSlot() | |
| 548 def on_regexpTextEdit_textChanged(self): | |
| 549 """ | |
| 550 Private slot called when the regexp changes. | |
| 551 """ | |
| 552 self.nextButton.setEnabled(False) | |
| 553 | |
| 554 @pyqtSlot(bool) | |
| 555 def on_py2Button_toggled(self, checked): | |
| 556 """ | |
| 557 Private slot called when the Python version was selected. | |
| 558 | |
| 559 @param checked state of the Python 2 button (boolean) | |
| 560 """ | |
| 561 # set the checkboxes | |
| 562 self.localeCheckBox.setHidden(not checked) | |
| 563 if checked: | |
| 564 self.unicodeCheckBox.setText(self.trUtf8("Unicode")) | |
| 565 else: | |
| 566 self.unicodeCheckBox.setText(self.trUtf8("ASCII")) | |
| 567 self.unicodeCheckBox.setChecked(not self.unicodeCheckBox.isChecked()) | |
| 568 | |
| 569 # clear the result table | |
| 570 self.resultTable.clear() | |
| 571 self.resultTable.setColumnCount(0) | |
| 572 self.resultTable.setRowCount(0) | |
| 573 | |
| 574 # remove the highlight | |
| 575 tc = self.textTextEdit.textCursor() | |
| 576 tc.setPosition(0) | |
| 577 self.textTextEdit.setTextCursor(tc) | |
| 578 | |
| 579 def getCode(self, indLevel, indString): | |
| 580 """ | |
| 581 Public method to get the source code. | |
| 582 | |
| 583 @param indLevel indentation level (int) | |
| 584 @param indString string used for indentation (space or tab) (string) | |
| 585 @return generated code (string) | |
| 586 """ | |
| 587 # calculate the indentation string | |
| 588 istring = indLevel * indString | |
| 589 i1string = (indLevel + 1) * indString | |
| 590 | |
| 591 # now generate the code | |
| 592 reVar = unicode(self.variableLineEdit.text()) | |
| 593 if not reVar: | |
| 594 reVar = "regexp" | |
| 595 | |
| 596 regexp = unicode(self.regexpTextEdit.toPlainText()) | |
| 597 | |
| 598 flags = [] | |
| 599 if not self.caseSensitiveCheckBox.isChecked(): | |
| 600 flags.append('re.IGNORECASE') | |
| 601 if self.multilineCheckBox.isChecked(): | |
| 602 flags.append('re.MULTILINE') | |
| 603 if self.dotallCheckBox.isChecked(): | |
| 604 flags.append('re.DOTALL') | |
| 605 if self.verboseCheckBox.isChecked(): | |
| 606 flags.append('re.VERBOSE') | |
| 607 if self.localeCheckBox.isChecked() and \ | |
| 608 self.py2Button.isChecked(): | |
| 609 flags.append('re.LOCALE') | |
| 610 if self.unicodeCheckBox.isChecked(): | |
| 611 if self.py2Button.isChecked(): | |
| 612 flags.append('re.UNICODE') | |
| 613 else: | |
| 614 flags.append('re.ASCII') | |
| 615 flags = " | ".join(flags) | |
| 616 | |
| 617 code = '' | |
| 618 if self.importCheckBox.isChecked(): | |
| 619 code += 'import re%s%s' % (os.linesep, istring) | |
| 620 code += '%s = re.compile(r"""%s"""' % \ | |
| 621 (reVar, regexp.replace('"', '\\"')) | |
| 622 if flags: | |
| 623 code += ', \\%s%s%s' % (os.linesep, i1string, flags) | |
| 624 code += ')%s' % os.linesep | |
| 625 return code | |
| 626 | |
| 627 class PyRegExpWizardDialog(QDialog): | |
| 628 """ | |
| 629 Class for the dialog variant. | |
| 630 """ | |
| 631 def __init__(self, parent = None, fromEric = True): | |
| 632 """ | |
| 633 Constructor | |
| 634 | |
| 635 @param parent parent widget (QWidget) | |
| 636 @param fromEric flag indicating a call from within eric4 | |
| 637 """ | |
| 638 QDialog.__init__(self, parent) | |
| 639 self.setModal(fromEric) | |
| 640 self.setSizeGripEnabled(True) | |
| 641 | |
| 642 self.__layout = QVBoxLayout(self) | |
| 643 self.__layout.setMargin(0) | |
| 644 self.setLayout(self.__layout) | |
| 645 | |
| 646 self.cw = PyRegExpWizardWidget(self, fromEric) | |
| 647 size = self.cw.size() | |
| 648 self.__layout.addWidget(self.cw) | |
| 649 self.resize(size) | |
| 650 | |
| 651 self.connect(self.cw.buttonBox, SIGNAL("accepted()"), self.accept) | |
| 652 self.connect(self.cw.buttonBox, SIGNAL("rejected()"), self.reject) | |
| 653 | |
| 654 def getCode(self, indLevel, indString): | |
| 655 """ | |
| 656 Public method to get the source code. | |
| 657 | |
| 658 @param indLevel indentation level (int) | |
| 659 @param indString string used for indentation (space or tab) (string) | |
| 660 @return generated code (string) | |
| 661 """ | |
| 662 return self.cw.getCode(indLevel, indString) | |
| 663 | |
| 664 class PyRegExpWizardWindow(QMainWindow): | |
| 665 """ | |
| 666 Main window class for the standalone dialog. | |
| 667 """ | |
| 668 def __init__(self, parent = None): | |
| 669 """ | |
| 670 Constructor | |
| 671 | |
| 672 @param parent reference to the parent widget (QWidget) | |
| 673 """ | |
| 674 QMainWindow.__init__(self, parent) | |
| 675 self.cw = PyRegExpWizardWidget(self, fromEric = False) | |
| 676 size = self.cw.size() | |
| 677 self.setCentralWidget(self.cw) | |
| 678 self.resize(size) | |
| 679 | |
| 680 self.connect(self.cw.buttonBox, SIGNAL("accepted()"), self.close) | |
| 681 self.connect(self.cw.buttonBox, SIGNAL("rejected()"), self.close) |
