https://www.kulturzentrummainz.de/typo3conf/ext/kuz/Resources/Public/JavaScript/NewsTicker.js?1654766209

1/**
2 * @author Steffen Maechtel <[email protected]>
3 */
4
5(function ($, document) {
6
7    var ITEM_HEIGHT = 24,
8            BREAK_DURATION = 3000,
9            ANIMATE_DURATION = 400,
10            DIRECTION = 1;
11
12    function slideItems() {
13        var itemCount, currentPosition, maxPosition, nextPosition;
14
15        itemCount = $('.news-ticker .item').length;
16        currentPosition = parseInt($('.news-ticker .items').css('top'), 10) || 0;
17        maxPosition = -1 * ITEM_HEIGHT * (itemCount - 1);
18
19        if (DIRECTION === 1) {
20            if (currentPosition === maxPosition) {
21                DIRECTION = -1;
22            }
23        } else {
24            if (currentPosition === 0) {
25                DIRECTION = 1;
26            }
27        }
28
29        nextPosition = currentPosition - (ITEM_HEIGHT * DIRECTION);
30
31        $('.news-ticker .items').stop(true, true).animate({
32            top: nextPosition
33        }, ANIMATE_DURATION);
34    }
35
36    $(document).ready(function () {
37        var intervalHandle;
38
39        if ($('.news-ticker').length === 0 || $('.news-ticker .item').length < 2) {
40            return;
41        }
42
43        intervalHandle = window.setInterval(slideItems, BREAK_DURATION);
44
45        $('.news-ticker .items').on('mouseenter', function () {
46            if (intervalHandle) {
47                window.clearInterval(intervalHandle);
48            }
49        });
50
51        $('.news-ticker .items').on('mouseleave', function () {
52            intervalHandle = window.setInterval(slideItems, BREAK_DURATION);
53        });
54    });
55
56}($, document));