class @Diff UNFOLD_COUNT = 20 constructor: -> @filesCommentButton = $('.files .diff-file').filesCommentButton() $(document).off('click', '.js-unfold') $(document).on('click', '.js-unfold', (event) => target = $(event.target) unfoldBottom = target.hasClass('js-unfold-bottom') unfold = true [old_line, line_number] = @lineNumbers(target.parent()) offset = line_number - old_line if unfoldBottom line_number += 1 since = line_number to = line_number + UNFOLD_COUNT else [prev_old_line, prev_new_line] = @lineNumbers(target.parent().prev()) line_number -= 1 to = line_number if line_number - UNFOLD_COUNT > prev_new_line + 1 since = line_number - UNFOLD_COUNT else since = prev_new_line + 1 unfold = false link = target.parents('.diff-file').attr('data-blob-diff-path') params = since: since to: to bottom: unfoldBottom offset: offset unfold: unfold # indent is used to compensate for single space indent to fit # '+' and '-' prepended to diff lines, # see https://gitlab.com/gitlab-org/gitlab-ce/issues/707 indent: 1 $.get(link, params, (response) -> target.parent().replaceWith(response) ) ) lineNumbers: (line) -> return ([0, 0]) unless line.children().length lines = line.children().slice(0, 2) line_numbers = ($(l).attr('data-linenumber') for l in lines) (parseInt(line_number) for line_number in line_numbers)