//<pre><nowiki>

// Picture Popups for Mediawiki

// (c)2005 [[User:Zocky]] 

// Released under GPL



if (mw.config.get('skin')=='vector') { importScript('User:Zocky/PicturePopupsVector.js'); }

else {



importStylesheetURI('https://en.wikipedia.org/?action=raw&ctype=text/css&title=User%3AZocky%2FPicturePopups.css');



//Handle clicks on document until content is loaded

function firstClick(e)

{

  var c=document.getElementById('content')||document.getElementById('article');

  if (c) {

    c.addEventListener('click',imageClick,false);

    document.removeEventListener('click',firstClick,true); }

}



document.addEventListener('click',firstClick,true);



//Handle clicks on images

function imageClick(e)

{

  if (!e.ctrlKey && !e.shiftKey && !e.metaKey && e.target.tagName=='IMG')

  {

      var t=e.target;

      var caption=t.getAttribute('alt');

      while (t.tagName!='A' && t.parentNode) { t=t.parentNode; }

      if(!t) return;

      var realurl = t.href;

      var pictitle = decodeURIComponent(realurl.match(/(\/wiki\/|title=)File:([^&]*)/)[2].replace(/_/g," "));

     

      if (caption!='Enlarge')

      {

        try 

        {

          var captiondiv=t.nextSibling.nextSibling;

          if (captiondiv.getAttribute('class')=='thumbcaption') {caption=captiondiv.innerHTML}

        }

        catch (er){}



        x=Math.round(Math.random()*200);

        y=Math.round(Math.random()*200);

        var note_content_div=new_note(x, y, '[<a href="'+realurl+'"> &gt; </a>] '+pictitle, '<blink><small><i>loading...</i></small></blink>',caption);

        note_content_div.addEventListener('click',noteContentClick,true);



        var cbSuccess=function(x,c)

        {

          note_content_div.innerHTML='';

          note_content_div.appendChild(findDescendantById(c,'file')) || (note_content_div.innerHTML="Failed. <a>retry</a>");

          try { note_content_div.appendChild(findDescendantById(c,'imageLicense')); } catch(er) {};

          return true;

        }



        var cbFailure=function(x,c)

        {

          note_content_div.innerHTML==x.statusText;

          return true;

        }



        loadText(realurl,cbSuccess,cbFailure);

      }

      else

      {

        var img = t.parentNode.parentNode.parentNode.firstChild.firstChild;

        if (img.hasAttribute('thumbwidth'))

        {

           var dummy=img.getAttribute('thumbwidth')

           img.setAttribute('thumbwidth',img.width);

           img.width=dummy;

           img.parentNode.parentNode.style.width=(img.width+2) + "px";

           var dummy=img.getAttribute('thumbheight')

           img.setAttribute('thumbheight',img.height);

           img.height=dummy;

        }

        else

        {

          img.setAttribute('thumbwidth',img.width);

          img.setAttribute('thumbheight',img.height);

    

          var cbSuccess=function(x,c)

          {

            var dummy=findDescendantById(c,'file');

            if (dummy.firstChild.tagName=='IMG')

            { 

              img.src=dummy.firstChild.src;

              img.width=dummy.firstChild.width;

              img.height=dummy.firstChild.height;

            }

            else

            {

              img.width=dummy.firstChild.firstChild.width;

              img.height=dummy.firstChild.firstChild.height;

              img.src=dummy.firstChild.firstChild.src;

            }

            img.parentNode.parentNode.style.width=(img.width+2) + "px";

            return true; 

          }

        

          var cbFailure=function(x,c)

          {

            return true;

          }

          loadText(realurl,cbSuccess,cbFailure);

        }

      }

      e.preventDefault();

  }

}



//Stop popup images from linking to hi-res pages

function noteContentClick(e)

{

  e.target.tagName=='IMG' && e.preventDefault() ;

}





//NOTES



var note_top=100;

var active_note;

var note_back='globalWrapper';



function note_icons(n)

{

  return   '<nobr>[<a onclick="toggle_note(\''+n+'\')"> - </a>] '

        +  '[<a onclick="close_note(\''+n+'\')"> x </a>]</nobr>';

}



function new_note(x,y,title,content,caption)

{

  var note_container=document.getElementById(note_back)

  note_top++;



  var note = document.createElement("div");

  note.id = "note_" + note_top;

  note.setAttribute('class', "imagenote");

  note.setAttribute('minimized', "0");

  x>0 && (note.style.left = x + "px") || (note.style.right = -x + "px");

  y>0 && (note.style.top = y + "px") || (note.style.bottom = -y + "px");

  note.style.zIndex=note_top;





  note.innerHTML = '<table><tr class="imagenotetitlebar">'

                 + '<td class="imagenotetitle" id="'+note.id+'_title"><span>' + title + '</span></td>'

                 + '<td class="imagenoteicons" id="'+note.id+'_icons" align="right">' + note_icons(note.id) + '</td></tr>'

                 + '<tr><td class="imagenotecontent" id="'+note.id+'_content" colspan="2">'+content+'</td></tr>'

                 + '<tr><td class="imagenotecaption" id="'+note.id+'_caption" colspan="2">'+caption+'</td></tr></table>';

  note_container.appendChild(note);



  note.addEventListener("mousedown", pick_note, true);

  note.addEventListener("click", click_note, true);

  active_note=note;

  return document.getElementById(note.id+'_content');

}



function close_note(n)

{

  var note_container=document.getElementById(note_back);

  note_container.removeChild(document.getElementById(n));

}



function toggle_note(n)

{

  var note=document.getElementById(n);

  note.setAttribute('minimized', 1-note.getAttribute('minimized'));

}



var note_dragging;



function pick_note(e)

{

  active_note=e.currentTarget;

  note_top++;

  active_note.style.zIndex = note_top;

  mouse_x = e.clientX;	mouse_y = e.clientY;



  active_note_top = parseInt(active_note.style.top); active_note_left = parseInt(active_note.style.left);

  document.addEventListener("mousemove", drag_note, false);

  document.addEventListener("mouseup", drop_note, false);

  e.preventDefault();

  note_dragging=false;

}



function drag_note(e)

{

  var x = e.clientX;

  var y = e.clientY;



  active_note.style.top = (y - mouse_y + active_note_top) + "px"; active_note.style.left = (x - mouse_x + active_note_left) + "px";

  note_dragging=true;

}



function drop_note(e)

{

  document.removeEventListener("mousemove", drag_note, false);

  document.removeEventListener("mouseup", drop_note, false);

}



function click_note(e)

{

  note_dragging && e.preventDefault();

}





//DOWNLOADER

function loadText(url,cb1,cb2) {

  var x = window.XMLHttpRequest ? new XMLHttpRequest()

        : window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP")

        : false;

  var c=document.createElement("div");



  if (x) {

    x.onreadystatechange=function() {

      x.readyState==4 && textLoaded(x,c,cb1,cb2)};

    x.open("GET",url,true);

    x.setRequestHeader('Accept','text/*');

    x.send(null); }

}



function textLoaded(x,c,cb1,cb2) {

  x.status==200

  && ((c.innerHTML=x.responseText) && cb1 && cb1(x,c))

  || ( cb2 && cb2(x,c) || alert(x.statusText));

}



//XML helper functions

function findDescendantById(node, id) {

  if (node.id == id) { return node; }

  var i, c;

  for (i = node.firstChild; i != null; i=i.nextSibling) {

    c = findDescendantById(i,id);

    if (c != null)

      return c; }

  return null;

}





}

//</nowiki></pre>