private void setTitles(@NotNull DiffRequest data) { LineSeparator sep1 = data.getContents()[0].getLineSeparator(); LineSeparator sep2 = data.getContents()[1].getLineSeparator(); String title1 = addReadOnly(data.getContentTitles()[0], myLeftSide.getEditor()); String title2 = addReadOnly(data.getContentTitles()[1], myRightSide.getEditor()); setTitle1(createComponentForTitle(title1, sep1, sep2, true)); setTitle2(createComponentForTitle(title2, sep1, sep2, false)); }