User:Zocky/PicturePopupsDev.js

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// Picture Popups for Mediawiki
// (c)2005-2007 [[en:User:Zocky]] 
// Released under GPL

window.onerror=function(a,b,c,d)
{
  alert( a + ", " + b + ", " + c + ", " + d);
}

document.write('<'+'script type="text/javascript" src="'
                + 'http://en.wikipedia.org/w/index.php?title=User:Zocky/Tools.js'
                + '&action=raw&ctype=text/javascript&dontcountme=s"></'+'script>');

document.write('<link rel="stylesheet" type="text/css" href="'  
             + 'http://en.wikipedia.org/w/index.php?title=User:Zocky/PicturePopupsDev.css'
             + '&action=raw&ctype=text/css&dontcountme=s">');

$(picturePopupInit);

function picturePopupInit()
{
  var c;
  c = window.$('content');
  if (!c) c=$('article');
  if (c) $E.hook(c,'click',picturePopupImageClick);
}

//Handle clicks on images
function picturePopupImageClick(e)
{
  if ($E.target(e).tagName=='IMG')
  {
    $E.cancel(e);
    var imageTag=$E.target(e);
    if ($D.a(imageTag,'longdesc'))
    {
      var imageName = decodeURI($D.a(imageTag,'longdesc')).replace(/^\/wiki\//,'');
      var imageLink=$D.parentByTag(imageTag,'A');
      var caption=$D.a(imageTag,'alt');

      try 
      {
        var captiondiv=imageLink.nextSibling.nextSibling;
        if ($D.a(captiondiv,'class')=='thumbcaption') {caption=captiondiv.innerHTML}
      }
      catch (er) {}  

      var dragletTitle='<a href="'+imageLink.href+'">[&gt;]</a> '+ imageName;

      var dragletId =
      $P.create( dragletTitle,100,100 );

      $(dragletId+'_content').innerHTML='<div class="picture_popup"'
      + 'id="'+dragletId+'_picture_popup">Loading...</div>' 
      + '<div class="picture_popup_caption">'+caption+'</div>';

      var cbSuccess=function(t) {

        c=document.createElement('div');
        c.innerHTML=t;
        $(dragletId+'_picture_popup').innerHTML='';
        imageDiv = $D.descendantByID(c,'file');
        imageTag = imageDiv.firstChild.firstChild;
        imageDiv.removeChild(imageDiv.firstChild);
        imageDiv.insertBefore(imageTag,imageDiv.firstChild);
        $(dragletId).style.width=imageTag.width+"px";
        $(dragletId+'_picture_popup').appendChild(imageDiv) || ($(dragletId+'_picture_popup').innerHTML="Failed. <a>retry</a>");
        try {
          $(dragletId+'_picture_popup_caption').appendChild($D.descendantByID(c,'imageLicense')); } 
        catch(er) {};
        return true;
      };
 
      var cbFailure=function(s)
      {
        $(dragletId+'_picture_popup').innerHTML=s;
        return true;
      }
      $X.get(imageLink.href,cbSuccess,cbFailure);
    }
  }
}