https://www.crous-grenoble.fr/wp-content/plugins/ephoto-plugin/dist/public.js?ver=3.2.1

1/**
2 * Ephoto Dam Addon for Wordpress
3 *
4 * @base EPHOTO DAM
5 * @author EINDEN - All rights reserved
6 */
7
8(function ($) {
9	var EphotoDam = {
10		zoomIn: function(img) {
11			var overlay = $('#ephoto-dam-overlay').length ? $('#ephoto-dam-overlay'): $('<div id="ephoto-dam-overlay"></div>').appendTo('body');
12			var wrap = $('#ephoto-dam-wrap').length ? $('#ephoto-dam-wrap'): $('<div id="ephoto-dam-wrap"><div id="ephoto-dam-close"></div><img></div>').appendTo('body');
13
14			var buffer = new Image();
15
16			buffer.onload = function() {
17				var width, height;
18				var ratiop = document.documentElement.clientHeight / document.documentElement.clientWidth;
19				var ratiof = buffer.height / buffer.width;
20
21				if(ratiop > ratiof) {
22					width = document.documentElement.clientWidth - 100;
23					height = Math.round(width * ratiof);
24				}
25				
26				else {
27					height = document.documentElement.clientHeight - 100;
28					width = Math.round(height * (1 / ratiof));
29				};
30				
31				var close = function(event) {
32					event.stopPropagation();
33					event.stopImmediatePropagation();
34				
35					wrap.fadeOut(300);
36					overlay.delay(250).fadeOut(300);	
37				};
38
39				wrap.children().last().attr('src', img.src);
40				
41				wrap.children().first().on('click', close);
42
43				wrap.css({
44					'width': width,
45					'height': height,
46					'margin-left': -(Math.floor(width / 2) + 8),
47					'margin-top': -(Math.floor(height / 2) + 8)
48				
49				}).delay(250).fadeIn(300);
50
51				overlay.fadeIn(300).on('click', close);
52			};
53			
54			buffer.src = img.src;
55		},
56	};
57
58	$('img.ephoto-dam-zoom').on('click', function(event) {
59		event.stopPropagation();
60		event.stopImmediatePropagation();
61
62		EphotoDam.zoomIn(this);	
63	});
64	
65})(jQuery);