A template function for twitter bootstrap pagination.

paginationTemplate.coffee

paginationTemplate = (data) ->
  url = data.url
  currentPage = +data.currentPage
  totalPages = +data.totalPages
  lis = []
  
  if totalPages < 7
    for i in [1..totalPages]
      li = if i is currentPage then "<li class='active'><a>#{i}</a></li>" else "<li><a href='#{url}/page#{i}'>#{i}</a></li>"
      lis.push(li)
  else if currentPage < 6
    for i in [1..5]
      li = if i is currentPage then "<li class='active'><a>#{i}</a></li>" else "<li><a href='#{url}/page#{i}'>#{i}</a></li>"
      lis.push(li)
    lis.push("<li class='disabled'><a>...</a></li><li><a href='#{url}/page#{totalPages}'>#{totalPages}</a></li>")
  else if currentPage > totalPages - 5
    lis.push("<li><a href='#{url}/page1'>1</a></li><li class='disabled'><a>...</a></li>")
    for i in [4..0]
      p = totalPages - i
      li = if p is currentPage then "<li class='active'><a>#{p}</a></li>" else "<li><a href='#{url}/page#{p}'>#{p}</a></li>"
      lis.push(li)
  else
    lis.push("<li><a href='#{url}/page1'>1</a></li>
              <li class='disabled'><a>...</a></li>
              <li><a href='#{url}/page#{currentPage - 1}'>#{currentPage - 1}</a></li>
              <li class='active'><a>#{page}</a></li>
              <li><a href='#{url}/page#{currentPage + 1}'>#{currentPage + 1}</a></li>
              <li class='disabled'><a>...</a></li>
              <li><a href='#{url}/page#{totalPages}'>#{totalPages}</a></li>")
  
  lis.unshift(if currentPage < 2 then "<li class='disabled'><a>Prev</a></li>" else "<li><a href='#{url}/page#{currentPage - 1}'>Prev</a></li>")
  lis.push(if currentPage >= totalPages then "<li class='disabled'><a>Next</a></li>" else "<li><a href='#{url}/page#{currentPage + 1}'>Next</a></li>")

  return "<div class='pagination pagination-centered'>
            <ul>
              #{lis.join('')}
            </ul>
          </div>"