@Override public void beforeDocumentChangeAtCaret() { CaretModel caretModel = myEditor.getCaretModel(); VisualPosition visualCaretPosition = caretModel.getVisualPosition(); if (!isInsideSoftWrap(visualCaretPosition)) { return; } SoftWrap softWrap = myStorage.getSoftWrap(caretModel.getOffset()); if (softWrap == null) { return; } myEditor .getDocument() .replaceString(softWrap.getStart(), softWrap.getEnd(), softWrap.getText()); caretModel.moveToVisualPosition(visualCaretPosition); }