- cells_length = event.event_type.length / EventType::LENGTH_STEP / this height fits the room cells - height = (cells_length * 58) - 23 / subtracting the padding before calculate the number of lines - lines = (height - 7) / 23 - color = event.track.try(:color).present? ? event.track.try(:color) : 'FFFFFF' .schedule-event{ style: "height: #{height}px; background-color: #{color}; color: #{contrast_color(color)}", | id: "event-#{event.id}", | event_id: event.id, | length: cells_length, | event_schedule_id: event_schedule_id } .schedule-event-text{ style: "-webkit-line-clamp: #{lines}; height: #{lines * 23}px;"} %span.schedule-event-delete-button{ onclick: "Schedule.remove(\'event-#{event.id}\');" } X = event.title