<?php
    /*
    // "Simple Image Gallery" (in content items) Plugin for Joomla 1.0.x - Version 1.2.1
    // License: http://www.gnu.org/copyleft/gpl.html
    // Authors: Fotis Evangelou - George Chouliaras
    // Copyright (c) 2006 JoomlaWorks.net - https://www.joomlaworks.net
    // Project page at https://www.joomlaworks.net - Demos at http://demo.joomlaworks.net
    // ***Last update: January 6th, 2007***
    // Hacked for Joomla 1.5.  Must change the rootSite variable since there was
    // an issue with the global site var.
    // Hack by Airton
    */
    defined( '_JEXEC' ) or die( 'Restricted access' );
    $mainframe->registerEvent( 'onPrepareContent', 'jw_gallery' );
    function jw_gallery( &$row, &$params, $page=0 ) {
       $regex = "#{gallery}(.*?){/gallery}#s";
       $database = &JFactory::getDBO();
       $plugin =& JPluginHelper::getPlugin('content', 'plugin_jw_sig');
       $enabled = JPluginHelper :: isEnabled  ('content','plugin_jw_sig');
       if (!$enabled){
          $row->text = preg_replace( $regex, '' , $row->text );
          return;
       }
       
       $pluginParams = new JParameter( $plugin->params );
       $rootFolder = '/images/stories/';   
       $rootSite = '/YOUR/ROOT/DIR'; //IMPORTANT: No end slash!!!
       $_width_ = $pluginParams->def( 'th_width', 200 ); //$param->get('th_width', 200);
       $_height_ = $pluginParams->def( 'th_height', 200 );//$param->get('th_height', 200);
       $_quality_ = $pluginParams->def( 'th_quality', 80 );//$param->get('th_quality', 80);
       $displaynavtip = $pluginParams->def( 'displaynavtip', 1 );//$param->get('displaynavtip', 1);
       $navtip = $pluginParams->def( 'navtip', 'Dica de Navegção: Passe o mouse sobre o lado superior direito ou esquerdo da imagem para mover-se para a imagem seguinte ou anterior.' );//$param->get('navtip', 'Navigation tip: Hover mouse on top of the right or left side of the image to see the next or previous image respectively.');
       $displaymessage = $pluginParams->def( 'displaymessage', 1 );//$param->get('displaymessage', 1);
       $message = $pluginParams->def( 'message', 'Você está visuzalizando as imagens da galeria:' );//$param->get('message', 'You are browsing images from the article:');
       $html = '<!-- Starting Match -->';
          
       //if (preg_match_all("#{gallery}(.*?){/gallery}#s", $row->text, $matches, PREG_PATTERN_ORDER) > 0) {
       if(preg_match_all($regex, $row->text, $matches, PREG_SET_ORDER) > 0) {
         $sigcount = -1;
         foreach ($matches as $match) {
          $sigcount++;
          $_images_dir_ = preg_replace("/{.+?}/", "", $match[1]);
          unset($images);
          $noimage = 0;
          // read directory
          
           if ($dh = opendir($rootSite.$rootFolder.$_images_dir_)) {
              while (($f = readdir($dh)) !== false) {
                if((substr(strtolower($f),-3) == 'jpg') || (substr(strtolower($f),-3) == 'gif') || (substr(strtolower($f),-3) == 'png')) {
                     $noimage++;
                     $images[] = array('filename' => $f);
                     array_multisort($images, SORT_ASC, SORT_REGULAR);
                }
              }
              closedir($dh);
            }
          $itemtitle = preg_replace("/\"/", "'", $row->title);   
          if($noimage) {
              $html = '
    <!-- JW "Simple Image Gallery" Plugin (v1.2.1) starts here -->
    <link href="'.JURI::base(true).'/plugins/content/plugin_jw_sig/sig.css" rel="stylesheet" type="text/css" />
    <style type="text/css">.sig_cont {width:'.($_width_+30).'px;height:'.($_height_+20).'px;}</style>
    <!-- <script type="text/javascript" src="'.JURI::base(true).'/plugins/content/plugin_jw_sig/mootools.js"></script> -->
    <script type="text/javascript" src="'.JURI::base(true).'/plugins/content/plugin_jw_sig/slimbox.js"></script>
    <div class="sig">';
            for($a = 0;$a<$noimage;$a++) {
               if($images[$a]['filename'] != '') {
                 $html .= '<div class="sig_cont"><div class="sig_thumb"><a href="'.JURI::base(true).$rootFolder.$_images_dir_.'/'.$images[$a]['filename'].'" rel="lightbox[sig'.$sigcount.']" title="';
                if ($displaynavtip) {$html .= $navtip.'

';}
                if ($displaymessage) {$html .= $message.'
<b>'.$itemtitle.'</b>';}         
                else {$html .= '<b>'.$images[$a]['filename'].'</b>';}
                $html .= '" alt="';
                   if ($displaymessage) {$html .= $message.' '.$itemtitle.'';}         
                   else {$html .= $images[$a]['filename'];}
                   $html .= '" target="_blank"><img src="'.JURI::base(true).'/plugins/content/plugin_jw_sig/showthumb.php?img='.$_images_dir_.'/'.$images[$a]['filename'].'&width='.$_width_.'&height='.$_height_.'&quality='.$_quality_.'"></a></div></div>';
                  }
               }
                $html .="\n<div class=\"sig_clr\"></div>\n</div>\n<!-- JW \"Simple Image Gallery\" Plugin (v1.2.1) ends here -->";
             }
              $row->text = preg_replace( "#{gallery}".$_images_dir_."{/gallery}#s", $html , $row->text );
          }     
      }
    }
?>

/*
	Slimbox v1.41 - The ultimate lightweight Lightbox clone
	by Christophe Beyls (http://www.digitalia.be) - MIT-style license.
	Inspired by the original Lightbox v2 by Lokesh Dhakar.
*/

var Lightbox = {

	init: function(options){
		this.options = $extend({
			resizeDuration: 400,
			resizeTransition: false,	// default transition
			initialWidth: 250,
			initialHeight: 250,
			animateCaption: true,
			showCounter: true
		}, options || {});

		this.anchors = [];
		$each(document.links, function(el){
			if (el.rel && el.rel.test(/^lightbox/i)){
				el.onclick = this.click.pass(el, this);
				this.anchors.push(el);
			}
		}, this);
		this.eventKeyDown = this.keyboardListener.bindAsEventListener(this);
		this.eventPosition = this.position.bind(this);

		this.overlay = new Element('div', {'id': 'lbOverlay'}).injectInside(document.body);

		this.center = new Element('div', {'id': 'lbCenter', 'styles': {'width': this.options.initialWidth, 'height': this.options.initialHeight, 'marginLeft': -(this.options.initialWidth/2), 'display': 'none'}}).injectInside(document.body);
		this.image = new Element('div', {'id': 'lbImage'}).injectInside(this.center);
		this.prevLink = new Element('a', {'id': 'lbPrevLink', 'href': '#', 'styles': {'display': 'none'}}).injectInside(this.image);
		this.nextLink = this.prevLink.clone().setProperty('id', 'lbNextLink').injectInside(this.image);
		this.prevLink.onclick = this.previous.bind(this);
		this.nextLink.onclick = this.next.bind(this);

		this.bottomContainer = new Element('div', {'id': 'lbBottomContainer', 'styles': {'display': 'none'}}).injectInside(document.body);
		this.bottom = new Element('div', {'id': 'lbBottom'}).injectInside(this.bottomContainer);
		new Element('a', {'id': 'lbCloseLink', 'href': '#'}).injectInside(this.bottom).onclick = this.overlay.onclick = this.close.bind(this);
		this.caption = new Element('div', {'id': 'lbCaption'}).injectInside(this.bottom);
		this.number = new Element('div', {'id': 'lbNumber'}).injectInside(this.bottom);
		new Element('div', {'styles': {'clear': 'both'}}).injectInside(this.bottom);

		var nextEffect = this.nextEffect.bind(this);
		this.fx = {
			overlay: this.overlay.effect('opacity', {duration: 500}).hide(),
			resize: this.center.effects($extend({duration: this.options.resizeDuration, onComplete: nextEffect}, this.options.resizeTransition ? {transition: this.options.resizeTransition} : {})),
			image: this.image.effect('opacity', {duration: 500, onComplete: nextEffect}),
			bottom: this.bottom.effect('margin-top', {duration: 400, onComplete: nextEffect})
		};

		this.preloadPrev = new Image();
		this.preloadNext = new Image();
	},

	click: function(link){
		if (link.rel.length == 8) return this.show(link.href, link.title);

		var j, imageNum, images = [];
		this.anchors.each(function(el){
			if (el.rel == link.rel){
				for (j = 0; j < images.length; j++) if(images[j][0] == el.href) break;
				if (j == images.length){
					images.push([el.href, el.title]);
					if (el.href == link.href) imageNum = j;
				}
			}
		}, this);
		return this.open(images, imageNum);
	},

	show: function(url, title){
		return this.open([[url, title]], 0);
	},

	open: function(images, imageNum){
		this.images = images;
		this.position();
		this.setup(true);
		this.top = window.getScrollTop() + (window.getHeight() / 15);
		this.center.setStyles({top: this.top, display: ''});
		this.fx.overlay.start(0.8);
		return this.changeImage(imageNum);
	},

	position: function(){
		this.overlay.setStyles({'top': window.getScrollTop(), 'height': window.getHeight()});
	},

	setup: function(open){
		var elements = $A(document.getElementsByTagName('object'));
		elements.extend(document.getElementsByTagName(window.ie ? 'select' : 'embed'));
		elements.each(function(el){
			if (open) el.lbBackupStyle = el.style.visibility;
			el.style.visibility = open ? 'hidden' : el.lbBackupStyle;
		});
		var fn = open ? 'addEvent' : 'removeEvent';
		window[fn]('scroll', this.eventPosition)[fn]('resize', this.eventPosition);
		document[fn]('keydown', this.eventKeyDown);
		this.step = 0;
	},

	keyboardListener: function(event){
		switch (event.keyCode){
			case 27: case 88: case 67: this.close(); break;
			case 37: case 80: this.previous(); break;	
			case 39: case 78: this.next();
		}
	},

	previous: function(){
		return this.changeImage(this.activeImage-1);
	},

	next: function(){
		return this.changeImage(this.activeImage+1);
	},

	changeImage: function(imageNum){
		if (this.step || (imageNum < 0) || (imageNum >= this.images.length)) return false;
		this.step = 1;
		this.activeImage = imageNum;

		this.bottomContainer.style.display = this.prevLink.style.display = this.nextLink.style.display = 'none';
		this.fx.image.hide();
		this.center.className = 'lbLoading';

		this.preload = new Image();
		this.preload.onload = this.nextEffect.bind(this);
		this.preload.src = this.images[imageNum][0];
		return false;
	},

	nextEffect: function(){
		switch (this.step++){
		case 1:
			this.center.className = '';
			this.image.style.backgroundImage = 'url('+this.images[this.activeImage][0]+')';
			this.image.style.width = this.bottom.style.width = this.preload.width+'px';
			this.image.style.height = this.prevLink.style.height = this.nextLink.style.height = this.preload.height+'px';

			this.caption.setHTML(this.images[this.activeImage][1] || '');
			this.number.setHTML((!this.options.showCounter || (this.images.length == 1)) ? '' : 'Image '+(this.activeImage+1)+' of '+this.images.length);

			if (this.activeImage) this.preloadPrev.src = this.images[this.activeImage-1][0];
			if (this.activeImage != (this.images.length - 1)) this.preloadNext.src = this.images[this.activeImage+1][0];
			if (this.center.clientHeight != this.image.offsetHeight){
				this.fx.resize.start({height: this.image.offsetHeight});
				break;
			}
			this.step++;
		case 2:
			if (this.center.clientWidth != this.image.offsetWidth){
				this.fx.resize.start({width: this.image.offsetWidth, marginLeft: -this.image.offsetWidth/2});
				break;
			}
			this.step++;
		case 3:
			this.bottomContainer.setStyles({top: this.top + this.center.clientHeight, height: 0, marginLeft: this.center.style.marginLeft, display: ''});
			this.fx.image.start(1);
			break;
		case 4:
			if (this.options.animateCaption){
				this.fx.bottom.set(-this.bottom.offsetHeight);
				this.bottomContainer.style.height = '';
				this.fx.bottom.start(0);
				break;
			}
			this.bottomContainer.style.height = '';
		case 5:
			if (this.activeImage) this.prevLink.style.display = '';
			if (this.activeImage != (this.images.length - 1)) this.nextLink.style.display = '';
			this.step = 0;
		}
	},

	close: function(){
		if (this.step < 0) return;
		this.step = -1;
		if (this.preload){
			this.preload.onload = Class.empty;
			this.preload = null;
		}
		for (var f in this.fx) this.fx[f].stop();
		this.center.style.display = this.bottomContainer.style.display = 'none';
		this.fx.overlay.chain(this.setup.pass(false, this)).start(0);
		return false;
	}
};

window.addEvent('domready', Lightbox.init.bind(Lightbox));