void (@NotNull Editor editor, @Nullable Caret caret, DataContext dataContext) { int endOffset = editor.getDocument().getTextLength(); List<Caret> carets = editor.getCaretModel().getAllCarets(); if (editor.isColumnMode() && editor.getCaretModel().supportsMultipleCarets()) { if (caret == null) { // normally we're always called with null caret caret = carets.get(0) == editor.getCaretModel().getPrimaryCaret() ? carets.get(carets.size() - 1) : carets.get(0); } LogicalPosition leadSelectionPosition = editor.visualToLogicalPosition(caret.getLeadSelectionPosition()); LogicalPosition targetPosition = editor.offsetToLogicalPosition(endOffset).leanForward(true); editor.getSelectionModel().setBlockSelection(leadSelectionPosition, targetPosition); } else { if (caret == null) { // normally we're always called with null caret caret = carets.get(0); } int selectionStart = caret.getLeadSelectionOffset(); if (editor instanceof EditorImpl) { caret.moveToLogicalPosition(editor.offsetToLogicalPosition(endOffset).leanForward(true)); } else { caret.moveToOffset(endOffset); } caret.setSelection(selectionStart, endOffset); } ScrollingModel scrollingModel = editor.getScrollingModel(); scrollingModel.disableAnimation(); scrollingModel.scrollToCaret(ScrollType.CENTER); scrollingModel.enableAnimation(); }