gistfile1.txt

function init_pagination() {
  var hash, loading_articles, page_regexp, pushPage, title_of_article;
  page_regexp = /\d+$/;
  pushPage = function(page) {
    if (page == "1") {
      title_of_article = $("input#article_friendly_id")[0].value;
    }
    history.pushState(null, "InfiniteScrolling | Page " + page, title_of_article);
  };
  window.preparePagination = function(el) {
    el.waypoint(function(direction) {
      var $this, page, page_el;
      $this = $(this);
      title_of_article = $this.next("input").val();
      if (!($this.hasClass('first-page') && direction === 'up')) {
        page = parseInt($this.data('page'), 10);
        if (direction === 'up') {
          page -= 1;
        }
        page_el = $($('#static-pagination li').get(page));
        if (!page_el.hasClass('active')) {
          $('#static-pagination .active').removeClass('active');
          pushPage(page);
          return page_el.addClass('active');
        }
      }
    });
  };
  hash = window.location.hash;
  if (hash.match(/page=\d+/i)) {
    window.location.hash = '';
    window.location.search = '?page=' + hash.match(/page=(\d+)/i)[1];
  }
  if ($('#infinite-scrolling').size() > 0) {
    preparePagination($('.page-delimiter'));
    $(window).bindWithDelay('scroll', function() {

      var more_articles_url;
      more_articles_url = $('#infinite-scrolling .next a').attr('href');
      if (more_articles_url && $(window).scrollTop() > $(document).height() - $(window).height() - 60) {
        $('#infinite-scrolling .pagination').html('<img src="/assets/ajax-loader.gif" alt="Loading..." title="Loading..." />');
        $.getScript(more_articles_url, function() {
          window.location.hash = more_articles_url.match(page_regexp)[0]
          return pushPage(more_articles_url.match(page_regexp)[0]);
        });
      }
    }, 100);
  }
  if ($('#with-button').size() > 0) {
    $('.pagination').hide();
    loading_articles = false;
    $('#load_more_articles').show().click(function() {
      var $this, more_articles_url;
      if (!loading_articles) {
        loading_articles = true;
        more_articles_url = $('.pagination .next a').attr('href');
        $this = $(this);
        $this.html('<img src="/assets/ajax-loader.gif" alt="Loading..." title="Loading..." />').addClass('disabled');
        $.getScript(more_articles_url, function() {
          if ($this) {
            $this.text(I18n.t("titles.more")).removeClass('disabled');
          }
          return loading_articles = false;
        });
      }
    });
  }
}