利用者:タバコはマーダー/revisionShortener.js

// revisionShortener (カスタムJS/User script)
// 差分や過去版を表示した際に、ウィキペディアのノートページで使用できるそのページの短いリンクを生成する。
// This script generates a short diffPage address. Supported En.
// 使用説明(Usage) : [[User:タバコはマーダー/revisionShortener]]
// Date 2016-09-27

$(document).ready(function(){
  revisionShortener();
});

function revisionShortener(delTitle, delHour, viewAll) {
  if ( mw.config.get("wgAction") == "edit" ) return;
  var u = location;
  if (u.search === "") return;
  
  // variable by Mediawiki
  var sPageName = mw.config.get("wgRelevantPageName");
  var sWPLang = mw.config.get("wgContentLanguage");
  var currentSkinName = mw.config.get("skin");
  
  // class name by Mediawiki
  var classNameDiffPageTime = "diff-currentversion-title"; // newer time, have oldid and diff parameter.
  var idNameOldidSingleTime = "mw-revision-date"; // time, have oldid only.
  var classNameDiffMulti = "diff-multi"; // Detect there is a revision between oldid and diffid.
  var targetElementViewShortenerBox = "content";
  if (currentSkinName == "modern") {
    targetElementViewShortenerBox = "mw-content-text";
  }
  var sTime = getRevisionTime(classNameDiffPageTime, idNameOldidSingleTime);
  if (sTime == undefined) return; // bug fix report by User:MawaruNeko
    
  // for loacal setting
  var thisScriptTitle = "";
  var LocalSpecialDiff = "Special:Diff";
  var LocalTemplateDiff = "diff"; // in en, template:diff,
  
  if (sWPLang == "en") {
    if (sTime.indexOf(" of ") != -1)
      sTime = sTime.split(" of ")[1]; // Convert to time only. In en.
  }
  if (sWPLang == "ja") { // e.g.
    LocalSpecialDiff = "特別:差分";
    LocalTemplateDiff = "差分";
    if (sTime.indexOf("時点").indexOf != -1)
      sTime = sTime.split("時点")[0].replace(/ \(.\) /,""); // Convert to time only . In ja, delete day of week.
    document.title = document.title.slice(0, -9) +  sTime;
  }
  var colorViewer = "#ecf4fa", colorViewerBorder = "#a7d7f9";
  if (currentSkinName == "cologneblue")
   colorViewer = "#ffffff", colorViewerBorder = "#a9a9a9";
  
  function getRevisionTime(id1, id2) {
    id1 = "." + id1, id2 = "#" + id2;
    if ($(id1).length !== 0)
      return $(id1).text();
    if ($(id2).length !== 0)
      return $(id2).text();
  }
  function splitParam(objUrl) {
    var uParam = objUrl.search.slice(1); // delete "?"
    var aParam = uParam.split("&");
    var a = [];
    for (var i in aParam) {
      var t = aParam[i].split("=");
      a.push(t);
    }
    return a;
  }
  function pickupCell(a, index) {
    for (var i in a)
      if (a[i][0] == index)
        return a[i][1];
    return false;
  }
  function convParam(diffid, oldid, mode) {
    switch (mode){
    case "sp":
      if (diffid == "prev")
        return oldid;
      return oldid + "/" + diffid;
    case "tm":
      return diffid + "|" + oldid;
    case "uri":
      if (diffid == "prev")
        return "diff=" + oldid;
      return "diff=" + diffid + "&" + "oldid=" + oldid;
    }
  }
  
  var aParam = splitParam(u);
  var diffid = pickupCell(aParam, "diff");
  var oldid = pickupCell(aParam, "oldid");
  
  if (!oldid && !diffid) return;
  if (oldid === "prev") { // for diff page from noftication page. it's reversed.
    oldid = diffid;
    diffid = "prev";
  }
  
  if (delHour) {
    sTime = sTime.replace(/[012][0-9]:[0-6][0-9]/, "");
    if (sTime.indexOf(",").indexOf != -1)
      sTime = sTime.replace(/, /,"");
  }
  var uAll = u.href.split("?");
  var uAddres = uAll[0].replace("index.php", "");
  
  var isMultiRev = ($("." + classNameDiffMulti).length !== 0 ? true : false);
  if ( !isMultiRev && isNaN(diffid) === false){
    oldid = Math.max( diffid, oldid );
    diffid = "prev";
  } else if (!oldid && isNaN(diffid) === false) {
    oldid = diffid;
    diffid = "prev";
  } else if (!diffid) {
    diffid = "prev";
  }
  
  var sLabel = (delTitle ? "" : sPageName + "(") + sTime + (delTitle ? "" : ")");
  var sRevSpecial = "[[" + LocalSpecialDiff + "/" + convParam(diffid, oldid, "sp") + "|" + sLabel + "]]";
  var sRevTemplate = "{{" + LocalTemplateDiff + "|" + sPageName + "|" + convParam(diffid, oldid, "tm") + "|" + sLabel + "}}";
  var sRevURI = "[" + uAddres + "?" + convParam(diffid, oldid, "uri") + " " + sLabel + "]";
  
  var viewer = "<p><input id=\"rv_url1\" class=\"revisionShortener\"></p>" +
  (viewAll ? "<p><input id=\"rv_url2\" class=\"revisionShortener\"></p>" +
  "<p><input id=\"rv_url3\" class=\"revisionShortener\"></p>" : "" );
  var checkbox = thisScriptTitle + "<input type=\"checkbox\" id=\"view_title\" " + (delTitle ? "" : "checked=\"checked\"") + "><label for=\"view_title\">title</label>" +
  "<input type=\"checkbox\" id=\"view_time\" " + (delHour ? "" : "checked=\"checked\"") + "><label for=\"view_time\">time</label>" +
  "<input type=\"checkbox\" id=\"view_version\" " + (viewAll ? "" : "checked=\"checked\"") + "><label for=\"view_version\">simple</label>";
  
  if ($("#shortenerBox").length === 0)
    if (currentSkinName == "cologneblue")
      $("h1").before("<div id=\"shortenerBox\"></div>");
    else
      $("#" + targetElementViewShortenerBox).prepend("<div id=\"shortenerBox\"></div>");
  $("#shortenerBox").css({ "width" : "100%", "padding" : "10px 0", "margin-left":"20px" }).html(checkbox + viewer);
  $("#shortenerBox p").css({ "padding" : "0", "margin":"4px 0" });
  $("#shortenerBox label").css({ "font-size":"88%", "margin-right":"10px" });
  $("#view_title, #view_time, #view_version").css({ "vertical-align":"middle", "margin":"0 3px 0 0" });
  $("input.revisionShortener").css({ "width": "400px", "border":"1px solid " + colorViewerBorder, "background-color": colorViewer }).focus(function(){
    $(this).select();
  });
  
  function checkboxFunc() {
    var ck1 = ( $("#view_title").prop("checked") ? false : true);
    var ck2 = ( $("#view_time").prop("checked") ? false : true);
    var ck3 = ( $("#view_version").prop("checked") ? false : true);
    revisionShortener(ck1, ck2, ck3);
  }
  $("#view_title").click(checkboxFunc);
  $("#view_time").click(checkboxFunc);
  $("#view_version").click(checkboxFunc);

  $("#rv_url1").val(sRevSpecial);
  if (viewAll) {
    $("#rv_url2").val(sRevTemplate);
    $("#rv_url3").val(sRevURI);
  }
}