lightbox-beispiel.php


Quell Code


<html>
  <head>
    
    <style>
* {margin: 0; padding: 0;}

body {
    /*Fancy Full page BG*/
	background: url("http://thecodeplayer.com/uploads/media/sunsky_m.png") center center fixed;
	background-size: cover;
	font-family: arial, verdana, tahoma;
}

#lightbox {
	margin: 10px auto;
	width: 520px; 
	border-bottom: 1px solid #ccc;
}
#lightbox h1 {
	text-transform: uppercase;
	text-align: center;
	padding: 10px 0;
	margin: 20px 0;
	color: white;
	font-size: 24px;
	background: rgba(255, 255, 255, 0.1);
	border-left: 2px solid rgba(255, 255, 255, 0.65);
	border-right: 2px solid rgba(255, 255, 255, 0.65);
}
#lightbox ul {
	overflow: hidden;
}
/*Image styles*/
#lightbox ul li {
	float: left;
	padding: 10px;
	background: #fff;
	margin: 0 20px 20px 0;
	list-style-type: none;
	position: relative;
	cursor: pointer;
}
/*No right margin for images in the 2nd column*/
#lightbox ul li:nth-child(even) {
	margin-right: 0;
}
#lightbox ul li img {
	display: block;
}

/*Image titles*/
#lightbox .image_title {
	width: 250px; height: 175px;
	background: rgba(0, 0, 0, 0.5);
	position: absolute;
	top: 0; left: 0;
	display: table;
	/*Hover effect - default state*/
	opacity: 0;
	transition: all 0.5s;
}
#lightbox .title {
	color: #fff;
	background: rgba(0, 0, 0, 0.5);
	text-transform: uppercase;
	font-size: 14px;
	text-align: center;
	/*Vertical center align*/
	display: table-cell;
	vertical-align: middle;
	/*Hover effect - default state*/
	transform: scale(0.2);
	transition: all 0.25s;
}
/*Zoom icon over each title using iconfont and pseudo elements*/
#lightbox .title::before {
	content: 'L';
	font-family: websymbols;
	font-size: 24px;
	color: #fff;
	opacity: 0.5;
	display: block;
	line-height: 36px;
}
/*Hover states*/
#lightbox li:hover {
	box-shadow: inset 0 0 10px 1px rgba(0, 0, 0, 0.75);
}
#lightbox li:hover .image_title {
	opacity: 1;
}
#lightbox li:hover .title {
	transform: scale(1);
}

/*Lets change the iconfont to websymbols since entypo has some issues with rendering on windows*/
@font-face {
	font-family: websymbols;
	src: url("http://thecodeplayer.com/uploads/fonts/websymbols.eot");
	src: url('http://thecodeplayer.com/uploads/fonts/websymbols.eot?#iefix') format('embedded-opentype'),
     url('http://thecodeplayer.com/uploads/fonts/websymbols.woff') format('woff'),
     url('http://thecodeplayer.com/uploads/fonts/websymbols.ttf') format('truetype'),
	 url('http://thecodeplayer.com/uploads/fonts/websymbols.svg#WebSymbolsRegular') format('svg');
}



/*Lightbox element style*/
.lb_backdrop {
	background: rgba(0, 0, 0, 0.9);
	position: fixed;
	top: 0; left: 0; right: 0; bottom: 0;
}
/*The canvas contains the larger image*/
.lb_canvas {
	background: white;
	width: 50px; height: 50px;
	position: fixed;
	top: 0; left: 0; /*Will be centered later by Jquery*/
	box-shadow: 0 0 20px 5px black;
	padding: 10px;
}
/*A separate class for loading GIF, for easy Jquery handling*/
.lb_canvas.loading {
	background: white url("http://thecodeplayer.com/uploads/media/loading.gif") center center no-repeat;
}
/*Lightbox Controls*/
.lb_controls {
	width: 400px; 
	background: rgba(0, 0, 0, 0.75);
	position: fixed;
	bottom: 10px;
	color: white;
	/*To horizontally center it*/
	left: 0; right: 0; margin: 0 auto; 
}
.lb_controls span {
	line-height: 30px;
	height: 30px;
}
.lb_controls span.inactive {
	opacity: 0.25;
}
.lb_previous, .lb_next {
	position: absolute;
	top: 0;
	padding: 5px 12px;
	font-family: websymbols;
	font-size: 14px;
	background: black;
	cursor: pointer;
}
.lb_previous {
	left: 0;
	border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.lb_next {
	right: 0;
	border-left: 1px solid rgba(255, 255, 255, 0.1);
}
.lb_title {
	text-align: center;
	display: block;
	font-size: 14px;
	text-transform: uppercase;
	padding: 5px 0;
	font-weight: bold;
}
    </style>
    <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.8.3/modernizr.min.js" type="text/javascript"></script>

<script src="http://thecodeplayer.com/uploads/js/prefixfree.js" type="text/javascript"></script>
  </head>



<body>
<div id="lightbox">
    <h1>Lightbox</h1>
	<ul>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb1_small.png" data-large="http://thecodeplayer.com/uploads/media/lb1.png"/>
			<div class="image_title">
				<h5 class="title">Ceiling Art</h5>
			</div>
		</li>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb2_small.png" data-large="http://thecodeplayer.com/uploads/media/lb2.png"/>
			<div class="image_title">
				<h5 class="title">Lit Curtain</h5>
			</div>
		</li>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb3_small.png" data-large="http://thecodeplayer.com/uploads/media/lb3.png"/>
			<div class="image_title">
				<h5 class="title">Ornamental Lights</h5>
			</div>
		</li>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb4_small.png" data-large="http://thecodeplayer.com/uploads/media/lb4.png"/>
			<div class="image_title">
				<h5 class="title">Cube Light</h5>
			</div>
		</li>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb5_small.png" data-large="http://thecodeplayer.com/uploads/media/lb5.png"/>
			<div class="image_title">
				<h5 class="title">Damask 14</h5>
			</div>
		</li>
		<li>
			<img src="http://thecodeplayer.com/uploads/media/lb6_small.png" data-large="http://thecodeplayer.com/uploads/media/lb6.png"/>
			<div class="image_title">
				<h5 class="title">Dark Lamp</h5>
			</div>
		</li>
	</ul>
</div>


  <script>
/*Jquery time*/
$(document).ready(function(){
    var item, img, title, large_img;
	var CW, CH, CL, CT, hpadding, vpadding, imgtag;
	//Flag for preventing multiple image displays
	var lb_loading = false;
	var doc = $(document);
	
	$("#lightbox li").click(function(){
		if(lb_loading) return false;
		lb_loading= true;
		
		item = $(this);
		img = item.find("img");
		title = item.find(".title").html();
		
		//Remove active class from previously clicked LI
		$("#lightbox li.active").removeClass("active");
		//Mark the clicked LI as active for later use
		item.addClass("active");
		
		//The large image
		large_img = new Image();
		//Use data-large or the src itself if large image url is not available
		large_img.src = img.attr("data-large") ? img.attr("data-large") : img.attr("src");
		
		//Adding additional HTML - only if it hasn't been added before
		if($(".lb_backdrop").length < 1)
		{
			var lb_backdrop = '<div class="lb_backdrop"></div>';
			var lb_canvas = '<div class="lb_canvas"></div>';
			var lb_previous = '<span class="lb_previous"><</span>';
			var lb_title = '<span class="lb_title"></span>';
			var lb_next = '<span class="lb_next">></span>';
			var lb_controls = '<div class="lb_controls">'+lb_previous+lb_title+lb_next+'</div>';
			var total_html = lb_backdrop+lb_canvas+lb_controls;
			
			$(total_html).appendTo("body");
		}
		//Fade in lightbox elements if they are hidden due to a previous exit
		if($(".lb_backdrop:visible").length == 0)
		{
			$(".lb_backdrop, .lb_canvas, .lb_controls").fadeIn("slow");
		}
		
		//Display preloader till the large image loads and make the previous image translucent so that the loader in the BG is visible
		if(!large_img.complete) 
			$(".lb_canvas").addClass("loading").children().css("opacity", "0.5")
		
		//Disabling left/right controls on first/last items
		if(item.prev().length == 0)
			$(".lb_previous").addClass("inactive");
		else
			$(".lb_previous").removeClass("inactive");
		if(item.next().length == 0)
			$(".lb_next").addClass("inactive");
		else
			$(".lb_next").removeClass("inactive");
		
		//Centering .lb_canvas
		CW = $(".lb_canvas").outerWidth();
		CH = $(".lb_canvas").outerHeight();
		//top and left coordinates
		CL = ($(window).width() - CW)/2;
		CT = ($(window).height() - CH)/2;
		$(".lb_canvas").css({top: CT, left: CL});
		
		//Inserting the large image into .lb_canvas once it's loaded
		$(large_img).load(function(){
			//Recentering .lb_canvas with new dimensions
			CW = large_img.width;
			CH = large_img.height;
			//.lb_canvas padding to be added to image width/height to get the total dimensions
			hpadding = parseInt($(".lb_canvas").css("paddingLeft")) + parseInt($(".lb_canvas").css("paddingRight"));
			vpadding = parseInt($(".lb_canvas").css("paddingTop")) + parseInt($(".lb_canvas").css("paddingBottom"));
			CL = ($(window).width() - CW - hpadding)/2;
			CT = ($(window).height() - CH - vpadding)/2;
			
			//Animating .lb_canvas to new dimentions and position
			$(".lb_canvas").html("").animate({width: CW, height: CH, top: CT, left: CL}, 500, function(){
				//Inserting the image but keeping it hidden
				imgtag = '<img src="'+large_img.src+'" style="opacity: 0;" />';
				$(".lb_canvas").html(imgtag);
				$(".lb_canvas img").fadeTo("slow", 1);
				//Displaying the image title
				$(".lb_title").html(title);
				
				lb_loading= false;
				$(".lb_canvas").removeClass("loading");
			})
		})
	})
	
	//Click based navigation
	doc.on("click", ".lb_previous", function(){ navigate(-1) });
	doc.on("click", ".lb_next", function(){ navigate(1) });
	doc.on("click", ".lb_backdrop", function(){ navigate(0) });
	
	//Keyboard based navigation
	doc.keyup(function(e){
		//Keyboard navigation should work only if lightbox is active which means backdrop is visible.
		if($(".lb_backdrop:visible").length == 1)
		{
			//Left
			if(e.keyCode == "37") navigate(-1);
			//Right
			else if(e.keyCode == "39") navigate(1);
			//Esc
			else if(e.keyCode == "27") navigate(0);
		}
	});
	
	//Navigation function
	function navigate(direction)
	{
		if(direction == -1) // left
			$("#lightbox li.active").prev().trigger("click");
		else if(direction == 1) //right
			$("#lightbox li.active").next().trigger("click");
		else if(direction == 0) //exit
		{
			$("#lightbox li.active").removeClass("active");
			$(".lb_canvas").removeClass("loading");
			//Fade out the lightbox elements
			$(".lb_backdrop, .lb_canvas, .lb_controls").fadeOut("slow", function(){
				//empty canvas and title
				$(".lb_canvas, .lb_title").html("");
			})
			lb_loading= false;
		}
	}
})
    
  </script>
</body>


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