/* All code copyright 2007 Taras Mankovski */
/* email: tarasm@gmail.com */
/* website: http://www.oscandy.com/author/taras */


// This class adds lightbox functionality to smoothgallery
/* integrated to jdgeallery
gallery = gallery.extend({
	initialize: function(element, options) {
		// do we need this, makelink is always called now?
		this.parent(element, options);
		this.addEvent('onPopulated', this.makeLink.bind(this));
	},
*/

/*!
	Slimbox v1.7 - The ultimate lightweight Lightbox clone
	(c) 2007-2009 Christophe Beyls <http://www.digitalia.be>
	MIT-style license.
*/

var Slimbox = (function() {

	// Global variables, accessible to Slimbox only
	var win = window, ie6 = Browser.Engine.trident4, options, images, activeImage = -1, activeURL, prevImage, nextImage, compatibleOverlay, middle, centerWidth, centerHeight,

	// Preload images
	preload = {}, preloadPrev = new Image(), preloadNext = new Image(),

	// DOM elements
	overlay, center, image, sizer, prevLink, nextLink, bottomContainer, bottom, captionField, number,

	// Effects
	fxOverlay, fxResize, fxImage, fxBottom;

	/*
		Initialization
	*/

	// old version code: buildbox : function () {
	win.addEvent("domready", function() {
		// Append the Slimbox HTML code at the bottom of the document
		$(document.body).adopt(
			$$(
				overlay = new Element("div", {id: "rglbOverlay", events: {click: close}}),
				center = new Element("div", {id: "rglbCenter"}),
				bottomContainer = new Element("div", {id: "rglbBottomContainer"})
			).setStyle("display", "none")
		);

		image = new Element("div", {id: "rglbImage"}).injectInside(center).adopt(
			sizer = new Element("div", {styles: {position: "relative"}}).adopt(
				prevLink = new Element("a", {id: "rglbPrevLink", href: "#", events: {click: previous}}),
				nextLink = new Element("a", {id: "rglbNextLink", href: "#", events: {click: next}})
			)
		);
		
		bottom = new Element("div", {id: "rglbImage"}).injectInside(center).adopt(
				closeBtn = new Element("a", {id: "rglbCloseLink", href: "#", events: {click: close}}),
				save = new Element("a", {id: "rglbSaveLink", href: "#", events: {click: save}}),
				print = new Element("a", {id: "rglbPrintLink", href: "#", events: {click: print}}),
				number = new Element("div", {id: "rglbNumber"}),
				description = new Element("div", {id: "rglbDescription"}),
				titleField = new Element("div", {id: "rglbTitle"}),
				captionField = new Element("div", {id: "rglbCaption"}),
				clearBoth = new Element("div", {styles: {clear: "both"}})
			);
		
		/*bottom = new Element("div", {id: "rglbBottom"}).injectInside(bottomContainer).adopt(
			new Element("a", {id: "rglbCloseLink", href: "#", events: {click: close}}),
			save = new Element("a", {id: "rglbSaveLink", href: "#", events: {click: save}}),
			print = new Element("a", {id: "rglbPrintLink", href: "#", events: {click: print}}),
			number = new Element("div", {id: "rglbNumber"}),
			// typo3			
			description = new Element("div", {id: "rglbDescription"}),
			title = new Element("div", {id: "rglbTitle"}),
			
			caption = new Element("div", {id: "rglbCaption"}),
			new Element("div", {styles: {clear: "both"}})
			
// typo3 		    buttons = $$('.rgsg-btn');
// typo3		    buttonsConf = buttons[0].innerHTML;    
		);		*/
	});

	/*
		Internal functions
	*/
	//position: function() {
	function position() {
		var scroll = win.getScroll(), size = win.getSize();
		$$(center, bottomContainer).setStyle("left", scroll.x + (size.x / 2));
		// Fehler in Slimbox, nicht nur für compatible Overlay einblenden
		//if (compatibleOverlay) 
			overlay.setStyles({left: scroll.x, top: scroll.y, width: size.x, height: size.y});
	}

	//setup: function(open) {
	function setup(open) {
		["object", ie6 ? "select" : "embed"].forEach(function(tag) {
			Array.forEach(document.getElementsByTagName(tag), function(el) {
				if (open) el._slimbox = el.style.visibility;
				el.style.visibility = open ? "hidden" : el._slimbox;
			});
		});

		overlay.style.display = open ? "" : "none";

		var fn = open ? "addEvent" : "removeEvent";
		win[fn]("scroll", position)[fn]("resize", position);
		document[fn]("keydown", keyDown);
	}

	//keyboardListener: function(event) {
	function keyDown(event) {
		var code = event.code;
		// Prevent default keyboard action (like navigating inside the page)
		return options.closeKeys.contains(code) ? close()
			: options.nextKeys.contains(code) ? next()
			: options.previousKeys.contains(code) ? previous()
			: false;
	}

	//previous: function() {
	function previous() {
		return changeImage(prevImage);
	}

	//next: function() {
	function next() {
		return changeImage(nextImage);
	}
/* from old script */
	function save() {
		 printOrSave("save");
	}
	function print() {
		 printOrSave("print");
	}
	function printOrSave(mode) {
		options.psScriptPath = "typo3conf/ext/rgsmoothgallery/savefile.php";
		if (options.psScriptPath) {
			console.log(options.psScriptPath+'?mode='+mode+'&image='+activeURL);
			var myRef = window.open(options.psScriptPath+'?mode='+mode+'&image='+activeURL,'printsave', 'left=0,top=0,width='+(parseInt(center.style.width))+',height='+ (parseInt(center.style.height)) +',toolbar=0,resizable=1');
		}
		return true;
	}

	//changeImage: function(imageNum) {		
	function changeImage(imageIndex) {
		if (imageIndex >= 0) {
			activeImage = imageIndex;
			//activeURL = images[imageIndex][0];
			// typo3
			activeURL = images[imageIndex].link;
			prevImage = (activeImage || (options.loop ? images.length : 0)) - 1;
			nextImage = ((activeImage + 1) % images.length) || (options.loop ? 0 : -1);

			stop();
			center.className = "rglbLoading";

			preload = new Image();
			preload.onload = animateBox;
			preload.src = activeURL;
		}

		return false;
	}

	//nextEffect: function() {
	function animateBox() {
		center.className = "";
		fxImage.set(0);
		image.setStyles({backgroundImage: "url(" + activeURL + ")", display: ""});
		sizer.setStyle("width", preload.width);
		$$(sizer, prevLink, nextLink).setStyle("height", preload.height);

		// caption.set("html", images[activeImage][1] || "");
		// typo3
		titleField.set("html", images[activeImage].title || "");
		captionField.set("html", images[activeImage].description || "");
		number.set("html", (((images.length > 1) && options.counterText) || "").replace(/{x}/, activeImage + 1).replace(/{y}/, images.length));
		 
		// if (prevImage >= 0) preloadPrev.src = images[prevImage][0];
		// if (nextImage >= 0) preloadNext.src = images[nextImage][0];
		// typo3
		if (prevImage >= 0) preloadPrev.src = images[prevImage].link;
		if (nextImage >= 0) preloadNext.src = images[nextImage].link;

		// Fehler in Slimbox nicht image.offsetWidth oder image.offsetHeight
		// +20 aus padding: 10; für rgblcenter
		centerWidth = preload.width+0;
		centerHeight = preload.height+20;
		var top = Math.max(0, middle - (centerHeight / 2)), check = 0, fn;
		if (center.offsetHeight != centerHeight) {
			check = fxResize.start({height: centerHeight, top: top});
		}
		if (center.offsetWidth != centerWidth) {
			check = fxResize.start({width: centerWidth, marginLeft: -centerWidth/2});		
		}
		fn = function() {
			bottomContainer.setStyles({width: centerWidth, top: top + centerHeight, marginLeft: 0, visibility: "hidden", display: ""});
			bottom.setStyles({width: centerWidth, top: top + centerHeight, marginLeft: 0});
			fxImage.start(1);
		};
		if (check) {
			fxResize.chain(fn);
		}
		else {
			fn();
		}
	}

// new function
	function animateCaption() {
		if (prevImage >= 0) prevLink.style.display = "";
		if (nextImage >= 0) nextLink.style.display = "";
		//fxBottom.set(-bottom.offsetHeight).start(0);
		fxBottom.start(0);
		bottomContainer.style.visibility = "";
	}

// new function
	function stop() {
		preload.onload = $empty;
		preload.src = preloadPrev.src = preloadNext.src = activeURL;
		fxResize.cancel();
		fxImage.cancel();
		fxBottom.cancel();
		$$(prevLink, nextLink, image, bottomContainer).setStyle("display", "none");
	}

	//close: function() {
	function close() {
		if (activeImage >= 0) {
			stop();
			activeImage = prevImage = nextImage = -1;
			center.style.display = "none";
			fxOverlay.cancel().chain(setup).start(0);
		}

		return false;
	}


	/*
		API
	*/

	Element.implement({
		slimbox: function(_options, linkMapper) {
			// The processing of a single element is similar to the processing of a collection with a single element
			$$(this).slimbox(_options, linkMapper);

			return this;
		}
	});

	Elements.implement({
		/*
			options:	Optional options object, see Slimbox.open()
			linkMapper:	Optional function taking a link DOM element and an index as arguments and returning an array containing 2 elements:
					the image URL and the image caption (may contain HTML)
			linksFilter:	Optional function taking a link DOM element and an index as arguments and returning true if the element is part of
					the image collection that will be shown on click, false if not. "this" refers to the element that was clicked.
					This function must always return true when the DOM element argument is "this".
		*/
		slimbox: function(_options, linkMapper, linksFilter) {
			linkMapper = linkMapper || function(el) {
				return [el.href, el.title];
			};

			linksFilter = linksFilter || function() {
				return true;
			};

			var links = this;

			links.removeEvents("click").addEvent("click", function() {
				// Build the list of images that will be displayed
				var filteredLinks = links.filter(linksFilter, this);
				return Slimbox.open(filteredLinks.map(linkMapper), filteredLinks.indexOf(this), _options);
			});

			return links;
		}
	});

	return {
	// old version code: initialize: function(options) {
		open: function(_images, startImage, _options) {
			options = $extend({
				loop: false,				// Allows to navigate between first and last images
				overlayOpacity: 0.8,			// 1 is opaque, 0 is completely transparent (change the color in the CSS file)
				overlayFadeDuration: 400,		// Duration of the overlay fade-in and fade-out animations (in milliseconds)
				resizeDuration: 400,			// Duration of each of the box resize animations (in milliseconds)
				resizeTransition: false,		// false uses the mootools default transition
				initialWidth: 250,			// Initial width of the box (in pixels)
				initialHeight: 250,			// Initial height of the box (in pixels)
				imageFadeDuration: 400,			// Duration of the image fade-in animation (in milliseconds)
				captionAnimationDuration: 400,		// Duration of the caption animation (in milliseconds)
				counterText: "Image {x} of {y}",	// Translate or change as you wish, or set it to false to disable counter text for image groups
				closeKeys: [27, 88, 67],		// Array of keycodes to close Slimbox, default: Esc (27), 'x' (88), 'c' (67)
				previousKeys: [37, 80],			// Array of keycodes to navigate to the previous image, default: Left arrow (37), 'p' (80)
				nextKeys: [39, 78],			// Array of keycodes to navigate to the next image, default: Right arrow (39), 'n' (78)
// typo3				animateCaption: true	// Enable/Disable caption animation
				/* Save or Print */ 
				showSave: true,
				showPrint: true,
				saveKeys: [10, 11],
				printKeys: [01, 11],
				psScriptPath: ''
			}, _options || {});

			// Setup effects
			fxOverlay = new Fx.Tween(overlay, {property: "opacity", duration: options.overlayFadeDuration});
			fxResize = new Fx.Morph(center, $extend({duration: options.resizeDuration, link: "chain"}, options.resizeTransition ? {transition: options.resizeTransition} : {}));
			fxImage = new Fx.Tween(image, {property: "opacity", duration: options.imageFadeDuration, onComplete: animateCaption});
			fxBottom = new Fx.Tween(bottom, {property: "margin-top", duration: options.captionAnimationDuration});

			// The function is called for a single image, with URL and Title as first two arguments
			if (typeof _images == "string") {
				_images = [[_images, startImage]];
				startImage = 0;
			}
	// old version code: open: function(images, imageNum) {
			// typo3		    
			if (!options.showSave) 	 save.setStyle("display", "none");
		    if (!options.showPrint) 	 print.setStyle("display", "none");

			middle = win.getScrollTop() + (win.getHeight() / 2);
			centerWidth = options.initialWidth;
			centerHeight = options.initialHeight;
			//center.setStyles({top: Math.max(0, middle - (centerHeight / 2)), width: centerWidth, height: centerHeight, marginLeft: -centerWidth/2, display: ""});
			center.setStyles({top: Math.max(0, middle - (centerHeight / 2)), width: centerWidth, height: centerHeight, marginLeft: 0, display: ""});
			compatibleOverlay = ie6 || (overlay.currentStyle && (overlay.currentStyle.position != "fixed"));
			if (compatibleOverlay) overlay.style.position = "absolute";
			fxOverlay.set(0).start(options.overlayOpacity);
			position();
			setup(1);

			images = _images;
			options.loop = options.loop && (images.length > 1);
			return changeImage(startImage);
		}
	};
})();

/* All code copyright 2007 Taras Mankovski */
/* email: tarasm@gmail.com */
/* website: http://www.oscandy.com/author/taras */
// added to code above with "// typo3" hint