User:Writ Keeper/Scripts/commonHistory.js

if (typeof inspectText == "undefined")
{
 inspectText = "inspect diff";
}
if (typeof showText == "undefined")
{
 showText = "show diff";
}
if (typeof hideText == "undefined")
{
 hideText = "hide diff";
}
var specialPageName = mw.config.get("wgCanonicalSpecialPageName");
if (specialPageName  == "Watchlist" ||
 specialPageName  == "Recentchanges" ||
 specialPageName  == "Contributions" ||
 mw.config.get("wgAction") == "history" || 
 specialPageName == "Recentchangeslinked" ||
 (specialPageName == "Blankpage" && mw.config.get("wgTitle").indexOf("section-watchlist") > 0))
{
 function inspectionEachHelper(index, element)
 {
  var findString;
  if (mw.config.get("wgAction") == "history" || $(element).hasClass("mw-enhanced-rc-nested"))
  {
   findString = 'a:contains("prev")';
  }
  else
  {
   findString = 'a:contains("diff")';
  }

  var regex;

  if (specialPageName == "Contributions")
  {
   regex = /&oldid=(\d+)$/;

  }
  else
  {
   regex = /(?:&diff=(\d+)&oldid=|&diff=prev&oldid=(\d+))/;
  }
  var diffLink = $(element).find(findString);
  if (diffLink.length > 0)
  {
   var regexResult = regex.exec(diffLink[0].href);
   if (regexResult != null && regexResult.length >= 2)
   {
    var diffID = regexResult[1] || regexResult[2];
    //don't re-add if it already exists
    if ($("#" + diffID).length > 0)
    {
     return;
    }
    var inlineDiffButton;
    if (typeof inlineDiffBigUI === "undefined")
    {
     inlineDiffButton = document.createElement("a");
     inlineDiffButton.href = "#";
     inlineDiffButton.innerHTML = '<b><span style="color:black;"> [</span><span style="color:#008A00;">' + inspectText + '</span><span style="color:black;">] </span></b>';
    }
    else
    {
     inlineDiffButton = document.createElement("input");
     inlineDiffButton.type = "button";
     inlineDiffButton.value = "Inspect edit";
    }
    inlineDiffButton.id = diffID;
    $(inlineDiffButton).addClass("inspectDiffButton");
    $(inlineDiffButton).click(function ()
    {
     return inspectWatchlistDiff(this);
    }
    );
    if ($(element).find("tr:first").length == 0)
    {
     $(element).find(".mw-changeslist-separator:first").css("padding-right", 0);
     $(inlineDiffButton).insertAfter($(element).find(".mw-changeslist-separator:first"));
    }
    else
    {
     $(inlineDiffButton).insertBefore($(element).find(".mw-title"));
     $(inlineDiffButton).addClass("mw-enhanced-rc-diff");
     /*
     $(element).find("tr:first").append("<td></td>");
     $(element).find("tr:first>td:last").append(inlineDiffButton);
     */
    }
   }
  }
 }
 function addWatchlistInspectionBoxes()
 {
  mw.loader.using("mediawiki.diff.styles").done(function()
  {
   var entries = $("#mw-content-text table.mw-enhanced-rc");
   if (entries.length == 0)
   {
    $("#mw-content-text ul").each(function (ind, el)
    {
     $(el).children("li").each(inspectionEachHelper);
    });
   }
   else
   {
    entries.each(inspectionEachHelper);
    $("td.mw-enhanced-rc-nested").each(inspectionEachHelper);
   }
  });
 }

 function inspectWatchlistDiff(button)
 {
  mw.loader.using(['mediawiki.api']).done(function ()
  {
   var mwApi = new mw.Api();
   mwApi.get(
   {
    action: "query",
    prop: "revisions",
    format: "json",
    rvprop: "timestamp",
    rvdiffto: "prev",
    revids: button.id
   }
   ).done(function (response)
   {
    if (response == null)
    {
     alert("Request failed!");
     return false;
    }

    var diffString = response.query.pages[Object.keys(response.query.pages)[0]].revisions[0].diff["*"];

    if (diffString == null)
    {
     alert("Request failed!");
     return false;
    }

    var newTable = document.createElement("table");
    newTable.className = "diff";
    $(newTable).html('<colgroup><col class="diff-marker"><col class="diff-content"><col class="diff-marker"><col class="diff-content"></colgroup>');

    $(newTable).append(diffString);
    diffParent = null;
    if ($("#" + button.id).hasClass("mw-enhanced-rc-diff"))
    {
     $("#" + button.id).parents("table").after(newTable);
    }
    else
    {
     diffParent = $("#" + button.id).parent();
     diffParent.append(newTable);
    }
    newTable.id = button.id + "display";

    mw.hook('new-diff-table').fire(newTable);

    $(button).unbind("click");
    if (typeof inlineDiffBigUI === "undefined")
    {
     $(button).html('<b><span style="color:black;"> [</span><span style="color:#008A00;">' + hideText + '</span><span style="color:black;">] </span></b>');
     $(button).click(function ()
     {
      return hideSmallEditInspection(this);
     }
     );
    }
    else
    {
     $(button).attr("value", "Hide edit");
     $(button).click(function ()
     {
      return hideEditInspection(this);
     }
     );
    }
    if (typeof markAsViewed != "undefined" && markAsViewed)
    {
     mwApi.postWithToken('csrf',
     {
      action: "setnotificationtimestamp",
      revids: button.id
     }
     ).done(function (data)
     {
      if (diffParent != null)
      {
       diffParent.removeClass("mw-changeslist-line-watched");
       diffParent.addClass("mw-changeslist-line-not-watched");
      }
     }
     );
    }
   }
   );
  }
  );
  return false;
 }

 function showEditInspection(button)
 {
  $("#" + button.id + "display").css("display", "");
  $(button).attr("value", "Hide edit");
  $(button).unbind("click");
  $(button).click(function ()
  {
   return hideEditInspection(this);
  }
  );
  return false;
 }

 function hideEditInspection(button)
 {
  $("#" + button.id + "display").css("display", "none");
  $(button).attr("value", "Show edit");
  $(button).unbind("click");
  $(button).click(function ()
  {
   return showEditInspection(this);
  }
  );
  return false;
 }

 function showSmallEditInspection(button)
 {
  $("#" + button.id + "display").css("display", "");
  $(button).html('<b><span style="color:black;"> [</span><span style="color:#008A00;">' + hideText + '</span><span style="color:black;">] </span></b>');
  $(button).unbind("click");
  $(button).click(function ()
  {
   return hideSmallEditInspection(this);
  }
  );
  return false;
 }

 function hideSmallEditInspection(button)
 {
  $("#" + button.id + "display").css("display", "none");
  $(button).html('<b><span style="color:black;"> [</span><span style="color:#008A00;">' + showText + '</span><span style="color:black;">] </span></b>');
  $(button).unbind("click");
  $(button).click(function ()
  {
   return showSmallEditInspection(this);
  }
  );
  return false;
 }

 mw.hook('wikipage.content').add(addWatchlistInspectionBoxes);
}