void (IntroduceOperation operation) { final PsiFile file = operation.getFile(); if (!CommonRefactoringUtil.checkReadOnlyStatus(file)) { return; } final Editor editor = operation.getEditor(); if (editor.getSettings().isVariableInplaceRenameEnabled()) { final TemplateState templateState = (TemplateState)TemplateManagerUtilBase.getTemplateState(operation.getEditor()); if (templateState != null && !templateState.isFinished()) { return; } } PsiElement element1 = null; PsiElement element2 = null; final SelectionModel selectionModel = editor.getSelectionModel(); boolean singleElementSelection = false; if (selectionModel.hasSelection()) { element1 = file.findElementAt(selectionModel.getSelectionStart()); element2 = file.findElementAt(selectionModel.getSelectionEnd() - 1); if (element1 instanceof PsiWhiteSpace) { int startOffset = element1.getTextRange().getEndOffset(); element1 = file.findElementAt(startOffset); } if (element2 instanceof PsiWhiteSpace) { int endOffset = element2.getTextRange().getStartOffset(); element2 = file.findElementAt(endOffset - 1); } if (element1 == element2) { singleElementSelection = true; } } else { if (smartIntroduce(operation)) { return; } final CaretModel caretModel = editor.getCaretModel(); final Document document = editor.getDocument(); int lineNumber = document.getLineNumber(caretModel.getOffset()); if ((lineNumber >= 0) && (lineNumber < document.getLineCount())) { element1 = file.findElementAt(document.getLineStartOffset(lineNumber)); element2 = file.findElementAt(document.getLineEndOffset(lineNumber) - 1); } } final Project project = operation.getProject(); if (element1 == null || element2 == null) { showCannotPerformError(project, editor); return; } element1 = PyRefactoringUtil.getSelectedExpression(project, file, element1, element2); if (element1 == null || referencesComprehensionIteratorValue(element1)) { showCannotPerformError(project, editor); return; } if (singleElementSelection && element1 instanceof PyStringLiteralExpression literal) { // Currently introduce for substrings of a multi-part string literals is not supported if (literal.getStringNodes().size() > 1) { showCannotPerformError(project, editor); return; } final int offset = element1.getTextOffset(); final TextRange selectionRange = TextRange.create(selectionModel.getSelectionStart(), selectionModel.getSelectionEnd()); final TextRange elementRange = element1.getTextRange(); if (!elementRange.equals(selectionRange) && elementRange.contains(selectionRange)) { final TextRange innerRange = literal.getStringValueTextRange(); final TextRange intersection = selectionRange.shiftRight(-offset).intersection(innerRange); final TextRange finalRange = intersection != null ? intersection : selectionRange; final String text = literal.getText(); if (getFormatValueExpression(literal) != null && breaksStringFormatting(text, finalRange) || getNewStyleFormatValueExpression(literal) != null && breaksNewStyleStringFormatting(text, finalRange) || breaksStringEscaping(text, finalRange)) { showCannotPerformError(project, editor); return; } element1.putUserData(PyReplaceExpressionUtil.SELECTION_BREAKS_AST_NODE, Pair.create(element1, finalRange)); } } if (!checkIntroduceContext(file, editor, element1)) { return; } operation.setElement(element1); performActionOnElement(operation); }