// ==UserScript==
// @name           AllegroTools (Wycofa) for IE i FF
// @namespace      http://allegrotoolsie.hopto.org/
// @description    Integracja z serwisem http://www.wycofa.pl // v0.20070722.0
// @include        http*://*allegro.pl/show_user.php?*
// ==/UserScript==

var MSG_INFO       = 0;
var MSG_ODWOLYWACZ = 1;
var MSG_OK         = 2

// 'Wycofa' logos.
var LOGO_STYLE  = "border='0' style='width: 57px; height: 15; vertical-align: top;'";

var LOGO_BLUE  = "<img src='data:image/gif;base64," +
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var LOGO_RED   = "<img src='data:image/gif;base64," +
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var LOGO_GREEN = "<img src='data:image/gif;base64," +
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		"GWOwo4Q665QR2EJQRy21QQEBADs=' " + LOGO_STYLE  + ">";

var LOGOS = new Array(LOGO_BLUE, LOGO_RED, LOGO_GREEN);



/////////////////////////////////////////////////////////////////
//// IE/FF compatibility
/////////////////////////////////////////////////////////////////

// Returns the number-th parent node of the element
function getParentNode(element, number)
{
  var parent = element;
  while((number > 0) && (parent))
  {
    parent = parent.parentNode;
    number--;
  }
  
  return parent;
}

// In FF previousSibling returns also #text nodes that represents
// the whitespaces in the HTML source. IE skips these nodes
// For IE and FF use this method instead of previousSibling property
// to return the first non-#text element.
// NOTE: this method skips ALL #text nodes (not only whitespaces)
function getPreviousSibling(element, number)
{
  var sibling = element;
  while((number > 0) && (sibling))
  {
    sibling = sibling.previousSibling;
    if (sibling && (sibling.nodeType == 1))
    {
      number--;
    }
  }
  
  return sibling;
}

// FF uses textContent property while IE uses innerText property
// to return the inner text of an element
function getInnerText(element)
{
  var result = null;
  
  if (element)
  {
    // For IE
    result = element.innerText;
  
    if(result == null)
    {
      // For FireFox
      result = element.textContent;
    }
  }
  
  return result;
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function getUnameSpan()
{
  var unameSpan = false;

  var spanTable = document.getElementsByTagName("span");
  if(spanTable)
  {
    for(var i = 0; i < spanTable.length; i++)
    {
      if (spanTable[i].className == "uname")
      {
        unameSpan = spanTable[i];
        break;
      }
    }
  }
  
  return unameSpan;
}

function getUname(unameSpan)
{
  var uname = false;
  if (unameSpan)
  {
    uname = getInnerText(unameSpan);
  }

  return uname;
}

function addWycofaCount()
{
  userName = getUname(getUnameSpan());
  if(userName)
  {
    var td = document.getElementsByTagName("td");
    if (td)
    {
      for(var i = 0; i < td.length; i++)
      {
        var node = td[i];
        if(node && (node.className == "formtitle-info"))
        {
          var span = document.createElement("span");
          span.style.fontSize = "8pt";
          span.innerHTML = wycofaMessageHTML(userName, "Pobieranie informacji o odwolanych aukcjach, prosze czekac...", MSG_INFO);
          node.appendChild(span);
          try
          {
            GM_xmlhttpRequest({method:"GET",
                               url:"http://wycofa.pl/?login=" +userName,
                               onload:function(d){processAddWycofaCountResponse(d, span, userName)},
                               onerror:function(d){processAddWycofaCountErrorResponse(span, userName)}});
          }
          catch (e)
          {
            processAddWycofaCountErrorResponse(span, userName);
          }
          break;
        }
      }
    }
  }
}

function processAddWycofaCountErrorResponse(span, uname)
{
  span.innerHTML = wycofaMessageHTML(uname, "BLAD: Nie udalo sie pobrac informacji o odwolanych aukcjach", MSG_INFO);
}

function processAddWycofaCountResponse(details, span, uname)
{
  var responseText = details.responseText;
  if(responseText)
  {
    responseText.match(/<\/h2>\s*?<\/td>\s*?<td>.*?<\/td>\s*?<td>(\d+).*?<\/td>/);
    displayWycofaCount(RegExp.$1, span, uname);
  }
  else
  {
    processAddWycofaCountErrorResponse(span, uname)
  }
}

function displayWycofaCount(count, span, uname)
{
  if(count && (count > 0))
  {
    span.innerHTML = wycofaMessageHTML(uname, "Odwolanych aukcji: " + count, MSG_ODWOLYWACZ);
  }
  else
  {
    span.innerHTML = wycofaMessageHTML(uname, "Nie zarejestrowano zadnych odwolanych aukcji", MSG_OK);
  }
}

function wycofaMessageHTML(user, message, type)
{
  return "<br><span style='vertical-align: top; text-valign: top;'><a href='http://wycofa.pl/?login=" + user + "' target='_blank' "+
          "title='WYCOFA (www.wycofa.pl)'>" + LOGOS[type]+ "</a>" + " " + message + "&nbsp;<span>";
}

function allegrotoolsWycofa()
  {
  addWycofaCount();
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Start Allegro Tools (Wycofa) script
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
allegrotoolsWycofa()