https://www.marylandzoo.org/wp-content/plugins/contact-form-7-date…/js/jquery-ui-sliderAccess.js?ver=7.1.1

1/*
2 * jQuery UI Slider Access
3 * By: Trent Richardson [http://trentrichardson.com]
4 * Version 0.3
5 * Last Modified: 10/20/2012
6 * 
7 * Copyright 2011 Trent Richardson
8 * Dual licensed under the MIT and GPL licenses.
9 * http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
10 * http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
11 * 
12 */
13 (function($){
14
15	$.fn.extend({
16		sliderAccess: function(options){
17			options = options || {};
18			options.touchonly = options.touchonly !== undefined? options.touchonly : true; // by default only show it if touch device
19
20			if(options.touchonly === true && !("ontouchend" in document))
21				return $(this);
22				
23			return $(this).each(function(i,obj){
24						var $t = $(this),
25							o = $.extend({},{ 
26											where: 'after',
27											step: $t.slider('option','step'), 
28											upIcon: 'ui-icon-plus', 
29											downIcon: 'ui-icon-minus',
30											text: false,
31											upText: '+',
32											downText: '-',
33											buttonset: true,
34											buttonsetTag: 'span',
35											isRTL: false
36										}, options),
37							$buttons = $('<'+ o.buttonsetTag +' class="ui-slider-access">'+
38											'<button data-icon="'+ o.downIcon +'" data-step="'+ (o.isRTL? o.step : o.step*-1) +'">'+ o.downText +'</button>'+
39											'<button data-icon="'+ o.upIcon +'" data-step="'+ (o.isRTL? o.step*-1 : o.step) +'">'+ o.upText +'</button>'+
40										'</'+ o.buttonsetTag +'>');
41
42						$buttons.children('button').each(function(j, jobj){
43							var $jt = $(this);
44							$jt.button({ 
45											text: o.text, 
46											icons: { primary: $jt.data('icon') }
47										})
48								.click(function(e){
49											var step = $jt.data('step'),
50												curr = $t.slider('value'),
51												newval = curr += step*1,
52												minval = $t.slider('option','min'),
53												maxval = $t.slider('option','max'),
54												slidee = $t.slider("option", "slide") || function(){},
55												stope = $t.slider("option", "stop") || function(){};
56
57											e.preventDefault();
58											
59											if(newval < minval || newval > maxval)
60												return;
61											
62											$t.slider('value', newval);
63
64											slidee.call($t, null, { value: newval });
65											stope.call($t, null, { value: newval });
66										});
67						});
68						
69						// before or after					
70						$t[o.where]($buttons);
71
72						if(o.buttonset){
73							$buttons.removeClass('ui-corner-right').removeClass('ui-corner-left').buttonset();
74							$buttons.eq(0).addClass('ui-corner-left');
75							$buttons.eq(1).addClass('ui-corner-right');
76						}
77
78						// adjust the width so we don't break the original layout
79						var bOuterWidth = $buttons.css({
80									marginLeft: ((o.where == 'after' && !o.isRTL) || (o.where == 'before' && o.isRTL)? 10:0), 
81									marginRight: ((o.where == 'before' && !o.isRTL) || (o.where == 'after' && o.isRTL)? 10:0)
82								}).outerWidth(true) + 5;
83						var tOuterWidth = $t.outerWidth(true);
84						$t.css('display','inline-block').width(tOuterWidth-bOuterWidth);
85					});		
86		}
87	});
88
89})(jQuery);