anidb_year_filter.js

1-anidb_year_filter.js

// ==UserScript==
// @name       AniDB Year Filter
// @namespace  http://techexplored.io
// @version    0.1
// @description  Removes rows from the anime show lists based on year.
// @match      http://anidb.net/perl-bin/animedb.pl?type.web=1*
// @copyright  2014+, Peter MacDonald
// @run-at document-start
// ==/UserScript==

var year_min = 2004;

var xhr,
    returnStatus = 200,
    pages = 0,
    junctionTable = document.createElement('table'),
    junctionBody = document.createElement('tbody'),
    junctionStyle = document.createElement('style'),
    style = '.animelist2 * {   box-sizing: border-box; } table.animelist2 {   width: 100%;   border-collapse: collapse; } table.animelist2 tr {   display: table-row; } table.animelist2 td {   display: table-cell; } table.animelist2 tr, table.animelist2 td {   height: 70px; } table.animelist2 a {   display: block; } table.animelist2 td.awards {   display: none !important; } table.animelist2 td.weight {   display: none !important; } table.animelist2 td.thumb a, table.animelist2 td.thumb img {   display: block;   width: 85px; } table.animelist2 .g_odd {   background-color: #34394D; }';
 
junctionTable.setAttribute('class', 'animelist2');
junctionStyle.type = 'text/css';
junctionStyle.appendChild(document.createTextNode(style));
junctionTable.appendChild(junctionStyle);

function process() {
  if (xhr.status == 200 && xhr.readyState == 4) {
    pages++;
    var parser = new DOMParser(),
        response = xhr.responseText,
        target = response.substr(response.indexOf('<table class="animelist">'), response.lastIndexOf('</table>')+8);
    target = target.substr(0, target.lastIndexOf('</table>')+8);

    var doc = parser.parseFromString(target, "text/xml"),
        ptable = doc.children[0],
        prows = ptable.children;

    for(var i=1; i < ptable.children.length; i++) {
      var clonedNode = ptable.children[i].cloneNode(true);
      junctionBody.appendChild(clonedNode);
    }
  }
}

var UTIL = {
  loadEvents: function() {
    var tableParent = document.getElementsByClassName('animelist_table')[0],
        animeTable = tableParent.children[0],
        arrDeleteRows = [];
    //junctionBody.appendChild(animeTable.getElementsByClassName('header')[0]);

    var pageNum = 1;
    // while(returnStatus == 200) {
    while(pageNum < 2) {
      xhr = new XMLHttpRequest();
      xhr.onreadystatechange = process;
      xhr.open("GET", "http://anidb.net/perl-bin/animedb.pl?type.web=1&type.unknown=1&type.tvspecial=1&type.tvseries=1&type.ova=1&type.other=1&type.musicvideo=1&type.movie=1&show=lexicon&orderby.name=1.1&orderby.average=0.2&noalias=1&lexiconid=140&do.update=update&cleanurl=1&cat.minweight=100&airing=0&page=" + pageNum, false);
      xhr.send();
      pageNum++;
    }

    for(var i=1; i < junctionBody.children.length; i++) {
      var row = junctionBody.children[i],
          date = row.lastChild.previousSibling.innerHTML,
          splitDate = date.split('.')[2];
      if(splitDate < year_min) {
         arrDeleteRows.push(i);
      }
    }
   
    var deleteRowsCount = arrDeleteRows.length;
    for(var i=deleteRowsCount-1; i >= 0; i--) {
      var rowToRemove = junctionBody.children[arrDeleteRows[i]];
      rowToRemove.parentNode.removeChild(rowToRemove);
    }

    for(var i=1; i < junctionBody.children.length; i++) {
      if(i%2 != 0) {
        junctionBody.children[i].setAttribute('class', 'g_odd');
      } else {
        junctionBody.children[i].removeAttribute('class');
      }
    }

    animeTable.parentNode.removeChild(animeTable);
    junctionTable.appendChild(junctionBody);
    tableParent.appendChild(junctionTable);
  }
};

document.onreadystatechange = function() {
  var state = document.readyState;
  if (state === 'complete') {
    UTIL.loadEvents();
  }
};

2-Description.md

AniDB Year FilterAll productions that occurred before the variable year_min are hidden.

To-Do:Allow the number of rows to bet set by incrementally parsing the anime list table from additional pages.