MediaWiki:LBSSearch.js

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addOnloadHook(init)

allChain = Array();
function init()
{
  var button = document.getElementById("mainchain");
  button.onclick = function(){
    mainchainSearch()
  }

    // get all chain
  var url = '/mediawiki/api.php?action=query&prop=revisions&redirects=1&titles=Persist:ListAllChains&rvprop=content&rvparse=1&format=xml';

  var xmlHttpRequest = new XMLHttpRequest();
  xmlHttpRequest.onreadystatechange = function()
  {
    var READYSTATE_COMPLETED = 4;
    if(this.readyState == READYSTATE_COMPLETED){
      var HTTP_STATUS_OK = 200;
      if(this.status == HTTP_STATUS_OK) {
        // success
        var xml     = this.response.trim();
        var parser  = new DOMParser();
        var dom     = parser.parseFromString(xml, 'text/xml');
        var rev     = dom.getElementsByTagName("rev")[0];
        var choices;
        if(rev.innerHTML != undefined)
          choices = rev.innerHTML.replace("<ul><li>","").replace("</li></ul>","").split("</li><li>");
        else // for Edge
          choices = rev.textContent.replace("<ui><ll>","").replace("</li></ul>","").split("</li><li>");

        for(var i = 0; i < choices.length; i ++){
          var w = choices[i].trim().split("==");
          allChain.push({"id":w[0], "chain":w[1], "img":w[2]});
        }
        // ボタン有効化
        var button = document.getElementById("mainchain");
        button.disabled = false;
        var loading = document.getElementById("loading");
        loading.style.display = "none";
      } else {
        // error
        console.log('retrieving is failed. ' + this.status + ':' + this.statusText + "/" + this.readyState);
      }
    }
  }

  // search
  xmlHttpRequest.open('GET', url, true);
  xmlHttpRequest.responseType = 'text';
  xmlHttpRequest.send(null);
}

function mainchainSearch()
{
  var ops = [];
  ops[0] = document.getElementById("nre");
  ops[1] = document.getElementById("4th");
  ops[2] = document.getElementById("3th");
  ops[3] = document.getElementById("2nd");
  ops[4] = document.getElementById("1st");
  ops[5] = document.getElementById("re");

  var st;
  var mc;
  var searchtext = "";
  var mainchain  = "";
  var counter = 0;
  for(var i = 0; i < ops.length; i ++){
    st = ops[i].options[ops[i].selectedIndex].innerHTML;
    mc = ops[i].options[ops[i].selectedIndex].value;
    searchtext += st;
    mainchain  += mc;
    if(i == 0 || i == ops.length-1)
      continue;
    if(st === "Others")
      counter ++;
  }
  if(counter >= 3){
    alert("3つ以上のあいまい条件指定はできません。");
    return;
  }

  // search
  var result = Array();
  var regexp = new RegExp(mainchain);
  for(var i = 0; i < allChain.length; i ++){
    if(regexp.test(allChain[i]["chain"])){
      result[allChain[i]["id"]] = allChain[i]["img"].replace(/&lt;/g,"<").replace(/&gt;/g,">");// + allChain[i]["chain"];
    }
  }

  // display
  var html = "Search Text: " + searchtext + "<br />";
///  html += "Search Expression: " + mainchain + "<br />";
  var keys = Object.keys(result);
  html += keys.length + " Hit(s).<hr />";
  html += "<ol>";
  for(var i = 0; i < keys.length; i ++){
    html += "<li><a href=\"/wiki/" + keys[i] + "\" target=\"_blank\"><big><tt>" + keys[i] + "</tt></big></a>" + result[keys[i]] + "</li>";
  }
  html += "</ol>";

  var div = document.getElementById("PolySeqResult");
  div.innerHTML     = html;
  div.style.display = "block";
}