boolean (Project project, Editor editor, PsiFile file) { // TODO: handle things other than "else" final Document document = editor.getDocument(); int offset = editor.getCaretModel().getOffset(); CharSequence text = document.getCharsSequence(); if (offset >= text.length()) { offset = text.length() - 1; } int line_start_offset = document.getLineStartOffset(document.getLineNumber(offset)); int nonspace_offset = findBeginning(line_start_offset, text); Class<? extends PsiElement> parentClass = null; int last_offset = nonspace_offset + PyNames.FINALLY.length(); // the longest of all if (last_offset > offset) last_offset = offset; int local_length = last_offset - nonspace_offset + 1; if (local_length > 0) { String piece = text.subSequence(nonspace_offset, last_offset + 1).toString(); final int else_len = PyNames.ELSE.length(); if (local_length >= else_len) { if ((piece.startsWith(PyNames.ELSE) || piece.startsWith(PyNames.ELIF)) && (else_len == piece.length() || piece.charAt(else_len) < 'a' || piece.charAt(else_len) > 'z')) { parentClass = PyStatementWithElse.class; } } final int except_len = PyNames.EXCEPT.length(); if (local_length >= except_len) { if (piece.startsWith(PyNames.EXCEPT) && (except_len == piece.length() || piece.charAt(except_len) < 'a' || piece.charAt(except_len) > 'z')) { parentClass = PyTryExceptStatement.class; } } final int finally_len = PyNames.FINALLY.length(); if (local_length >= finally_len) { if (piece.startsWith(PyNames.FINALLY) && (finally_len == piece.length() || piece.charAt(finally_len) < 'a' || piece.charAt(finally_len) > 'z')) { parentClass = PyTryExceptStatement.class; } } } if (parentClass == null) return false; // failed PsiDocumentManager.getInstance(project).commitDocument(document); // reparse PsiElement token = file.findElementAt(offset - 2); // -1 is our ':'; -2 is even safer. PsiElement outer = PsiTreeUtil.getParentOfType(token, parentClass); if (outer != null) { int outer_offset = outer.getTextOffset(); int outer_indent = outer_offset - document.getLineStartOffset(document.getLineNumber(outer_offset)); assert outer_indent >= 0; int current_indent = nonspace_offset - line_start_offset; int indent = outer_indent - current_indent; EditorCoreUtil.indentLine(project, editor, document.getLineNumber(offset), editor.getSettings().isUseTabCharacter(project) ? indent * editor.getSettings().getTabSize(project) : indent, false); //TODO!!!: shouldUseSmartTabs! is it applicable? return true; } return false; }