Tumblr Dashboard Fix Pagination on Show Pages

tumblr_dashboard_fix_pagination_on_show_pages.user.js

// ==UserScript==
// @id             Tumblr Dashboard Fix Pagination on Show Pages
// @name           Tumblr Dashboard Fix Pagination on Show Pages
// @version        0.0.1.0
// @namespace      http://saitamanodoruji.tumblr.com/
// @author         saitamanodoruji
// @description    
// @include        http://www.tumblr.com/show/*
// @include        http://www.tumblr.com/blog/*/show/*
// ==/UserScript==

// most parts are copied from:
//   Tumblr Dashboard Filter by Post Type for Greasemonkey by cxx
//   http://userscripts.org/scripts/show/40794

// requires sharedObject.AutoPagerize
//   cf.
//     Firefox 17 環境でのLDRize復活への手引き（unsafeWindow不使用バージョン） - 近江在住
//     http://d.hatena.ne.jp/t_f_m/20121126/1353860818
//     AutoPagerizeもwindow共有不可の問題にはやっぱり影響受けてて、そのあたりちょっと考えてみましたよ - 近江在住
//     http://d.hatena.ne.jp/t_f_m/20111121/1321886246

(function(){

  function fixPagination(doc, uri) {
    var found = uri.match(/www\.tumblr\.com(.*?)(?:\/(\d+))?\/?(\?|$)/);
    var base = found[1];
    var page = found[2] ? Number(found[2]) : 1;
    var posts = Array.prototype.slice.call(
      doc.querySelectorAll('li[id^="post_"]')
    , 0);
    var offset = posts[posts.length - 1].id.match(/\d+/)[0];
    var prev = base + '/' + (page - 1);
    var next = base + '/' + (page + 1) + '?offset=' + offset;
    var pagination = Array.prototype.slice.call(
      doc.querySelectorAll('#pagination > a')
    , 0);
    pagination[0].href = (page > 1) ? prev : next;
    if (pagination[1]) pagination[1].href = next;
  }

  fixPagination(document, location.href);

  setTimeout(function(){
    if (sharedObject.AutoPagerize && sharedObject.AutoPagerize.addDocumentFilter) {
      sharedObject.AutoPagerize.addDocumentFilter(fixPagination);
    }
  }, 1000);

})();