https://bharathanatyam.com/js/jquery.innerfade.js

1/* =========================================================
2
3// jquery.innerfade.js
4
5// Datum: 2008-02-14
6// Firma: Medienfreunde Hofmann & Baldes GbR
7// Author: Torsten Baldes
8// Mail: [email protected]
9// Web: http://medienfreunde.com
10
11// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/
12// and Ralf S. Engelschall http://trainofthoughts.org/
13
14 *
15 *  <ul id="news"> 
16 *      <li>content 1</li>
17 *      <li>content 2</li>
18 *      <li>content 3</li>
19 *  </ul>
20 *  
21 *  $('#news').innerfade({ 
22 *	  animationtype: Type of animation 'fade' or 'slide' (Default: 'fade'), 
23 *	  speed: Fading-/Sliding-Speed in milliseconds or keywords (slow, normal or fast) (Default: 'normal'), 
24 *	  timeout: Time between the fades in milliseconds (Default: '2000'), 
25 *	  type: Type of slideshow: 'sequence', 'random' or 'random_start' (Default: 'sequence'), 
26 * 		containerheight: Height of the containing element in any css-height-value (Default: 'auto'),
27 *	  runningclass: CSS-Class which the container get’s applied (Default: 'innerfade'),
28 *	  children: optional children selector (Default: null)
29 *  }); 
30 *
31
32// ========================================================= */
33
34
35(function($) {
36
37    $.fn.innerfade = function(options) {
38        return this.each(function() {   
39            $.innerfade(this, options);
40        });
41    };
42
43    $.innerfade = function(container, options) {
44        var settings = {
45        		'animationtype':    'fade',
46            'speed':            'normal',
47            'type':             'sequence',
48            'timeout':          2000,
49            'containerheight':  'auto',
50            'runningclass':     'innerfade',
51            'children':         null
52        };
53        if (options)
54            $.extend(settings, options);
55        if (settings.children === null)
56            var elements = $(container).children();
57        else
58            var elements = $(container).children(settings.children);
59        if (elements.length > 1) {
60            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
61            for (var i = 0; i < elements.length; i++) {
62                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
63            };
64            if (settings.type == "sequence") {
65                setTimeout(function() {
66                    $.innerfade.next(elements, settings, 1, 0);
67                }, settings.timeout);
68                $(elements[0]).show();
69            } else if (settings.type == "random") {
70            		var last = Math.floor ( Math.random () * ( elements.length ) );
71                setTimeout(function() {
72                    do { 
73												current = Math.floor ( Math.random ( ) * ( elements.length ) );
74										} while (last == current );             
75										$.innerfade.next(elements, settings, current, last);
76                }, settings.timeout);
77                $(elements[last]).show();
78						} else if ( settings.type == 'random_start' ) {
79								settings.type = 'sequence';
80								var current = Math.floor ( Math.random () * ( elements.length ) );
81								setTimeout(function(){
82									$.innerfade.next(elements, settings, (current + 1) %  elements.length, current);
83								}, settings.timeout);
84								$(elements[current]).show();
85						}	else {
86							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
87						}
88				}
89    };
90
91    $.innerfade.next = function(elements, settings, current, last) {
92        if (settings.animationtype == 'slide') {
93            $(elements[last]).slideUp(settings.speed);
94            $(elements[current]).slideDown(settings.speed);
95        } else if (settings.animationtype == 'fade') {
96            $(elements[last]).fadeOut(settings.speed);
97            $(elements[current]).fadeIn(settings.speed, function() {
98							removeFilter($(this)[0]);
99						});
100        } else
101            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
102        if (settings.type == "sequence") {
103            if ((current + 1) < elements.length) {
104                current = current + 1;
105                last = current - 1;
106            } else {
107                current = 0;
108                last = elements.length - 1;
109            }
110        } else if (settings.type == "random") {
111            last = current;
112            while (current == last)
113                current = Math.floor(Math.random() * elements.length);
114        } else
115            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
116        setTimeout((function() {
117            $.innerfade.next(elements, settings, current, last);
118        }), settings.timeout);
119    };
120
121})(jQuery);
122
123// **** remove Opacity-Filter in ie ****
124function removeFilter(element) {
125	if(element.style.removeAttribute){
126		element.style.removeAttribute('filter');
127	}
128}