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By: a guest on Nov 5th, 2010  |  syntax: JavaScript  |  size: 3.75 KB  |  views: 54  |  expires: Never
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  1. function slideshow_load()
  2. {
  3.   var slideshow =
  4.   {
  5.   showwin : null,
  6.   showimg : null,
  7.   list : null,
  8.   current  : 0,
  9.   baseURL : wgServer + wgArticlePath.replace( "$1" , "File:"),
  10.  
  11.   nextImage : function()
  12.   {
  13.     with(slideshow)
  14.     {
  15.     if( showwin != null && showwin.document != null )
  16.     {
  17.       showimg.src = 'http://toolserver.org/tsthumb/tsthumb?w=800&h=800&domain=commons.wikimedia.org&f='+encodeURIComponent(slideshow.list[slideshow.current]);
  18.       current++;
  19.       if( current >= list.length ) current = 0;
  20.       window.setTimeout(slideshow.nextImage,3000);
  21.     }
  22.     }
  23.   },
  24.  
  25.   showButton : function() { this.startButton.style.visibility = 'visible'; },
  26.   hideButton : function() { this.startButton.style.visibility = 'hidden'; },
  27.  
  28.   // cross-browser event attachment (John Resig)
  29.   // http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
  30.   addEvent : function ( obj, type, fn )
  31.   {
  32.     if (obj.addEventListener)
  33.     obj.addEventListener( type, fn, false );
  34.     else if (obj.attachEvent)
  35.     {
  36.     obj["e"+type+fn] = fn;
  37.     obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
  38.     obj.attachEvent( "on"+type, obj[type+fn] );
  39.     }
  40.   },
  41.  
  42.   start : function( e )
  43.   {
  44.     slideshow.list = new Array();
  45.     slideshow.current = 0;
  46.     var links;
  47.  
  48.     if( typeof(this.gallery) != 'undefined' )
  49.     {
  50.     slideshow.showwin = window.open('', 'showwin', 'left=0,top=0,width=' + screen.width + ',height=' + screen.height + ',toolbar=0,resizable=0,fullscreen=1');
  51.  
  52.     var divs = this.gallery.getElementsByTagName('div');
  53.     for( var key=0; key< divs.length; key++ )
  54.     {
  55.       if( divs[key].className == 'thumb' )
  56.       {
  57.       links = divs[key].getElementsByTagName('a');
  58.       if( links.length > 0 && links[0].href.substr( 0, slideshow.baseURL.length ) == slideshow.baseURL )
  59.         slideshow.list.push( links[0].href.substr( slideshow.baseURL.length ) );
  60.       }
  61.     }
  62.  
  63.     slideshow.showwin.document.open('text/html');
  64.     slideshow.showwin.document.write('<html><body><table border="0" width="100%" height="100%"><tr><td valign="center" align="center"><img id="showimg"></td></tr></table></body></html>');
  65.     slideshow.showwin.document.close();
  66.  
  67.     slideshow.showimg = slideshow.showwin.document.getElementById('showimg');
  68.     slideshow.nextImage();
  69.     }
  70.   },
  71.  
  72.   install : function()
  73.   {
  74.     var galleries = document.getElementsByTagName('table');
  75.     var cells;
  76.     var button;
  77.  
  78.     for( var key=0; key < galleries.length; key++ )
  79.     {
  80.     if( galleries[key].className == 'gallery' )
  81.     {
  82.       cells = galleries[key].getElementsByTagName('div');
  83.       if( cells.length > 0 )
  84.       {
  85.       button = document.createElement('div');
  86.       button.style.border = '1px solid gray';
  87.       button.style.position = 'absolute';
  88.       button.style.padding = '0.5em';
  89.       button.style.backgroundColor = '#ddffdd';
  90.       button.style.top = '0.5em';
  91.       button.style.left = '0.5em';
  92.       button.style.cursor = 'pointer';
  93.       button.style.visibility = 'hidden';
  94.       button.gallery = galleries[key];
  95.  
  96.       button.appendChild( document.createTextNode( 'Slideshow' ) );
  97.       slideshow.addEvent( button, 'click', slideshow.start );
  98.  
  99.       galleries[key].startButton = button;
  100.       slideshow.addEvent( galleries[key], 'mouseover', slideshow.showButton );
  101.       slideshow.addEvent( galleries[key], 'mouseout', slideshow.hideButton );
  102.  
  103.       cells[0].style.position = 'relative';
  104.       cells[0].insertBefore( button, cells[0].childNodes[0] );
  105.       }
  106.  
  107.     }
  108.     }
  109.  
  110.   }
  111.   }
  112.  
  113.   addOnloadHook(slideshow.install);
  114. }
  115.  
  116. if (window.addEventListener)
  117.   window.addEventListener('load', slideshow_load, false); // W3C DOM
  118. else
  119.   window.attachEvent('onload', slideshow_load);           // MSIE
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