@Override
public void visitPyStringLiteralExpression(PyStringLiteralExpression node) {
final Pair<PsiElement, TextRange> data =
node.getUserData(PyReplaceExpressionUtil.SELECTION_BREAKS_AST_NODE);
if (data != null) {
final PsiElement parent = data.getFirst();
final String text = parent.getText();
final Pair<String, String> detectedQuotes = PythonStringUtil.getQuotes(text);
final Pair<String, String> quotes =
detectedQuotes != null ? detectedQuotes : Pair.create("'", "'");
final TextRange range = data.getSecond();
final String substring = range.substring(text);
myResult.append(quotes.getFirst() + substring + quotes.getSecond());
} else {
ASTNode child = node.getNode().getFirstChildNode();
while (child != null) {
String text = child.getText();
if (child.getElementType() == TokenType.WHITE_SPACE) {
if (text.contains("\n")) {
if (!text.contains("\\")) {
myResult.append("\\");
}
myResult.append(text);
}
} else {
myResult.append(text);
}
child = child.getTreeNext();
}
}
}
public void performAction(IntroduceOperation operation) {
final PsiFile file = operation.getFile();
if (!CommonRefactoringUtil.checkReadOnlyStatus(file)) {
return;
}
final Editor editor = operation.getEditor();
if (editor.getSettings().isVariableInplaceRenameEnabled()) {
final TemplateState templateState =
TemplateManagerImpl.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) {
showCannotPerformError(project, editor);
return;
}
if (singleElementSelection && element1 instanceof PyStringLiteralExpression) {
final PyStringLiteralExpression literal = (PyStringLiteralExpression) element1;
// 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);
}