https://biznesistyl.pl/app/plugins/t4b-news-ticker/assets/js/jquery.liscroll.js?ver=1.2.8

1/*!
2 * liScroll 1.1 updated by @davetayls
3 * 
4 * 2007-2009 Gian Carlo Mingati
5 * Dual licensed under the MIT and GPL licenses:
6 * http://www.opensource.org/licenses/mit-license.php
7 * http://www.gnu.org/licenses/gpl.html
8 *
9 * Modified by @realwebcare v1.2.8
10 * T4B News Ticker v1.2.8 - 15 August, 2023
11 * by @realwebcare - https://www.realwebcare.com/
12 */
13(function($){
14	$.fn.liScroll = function(settings) {
15	    
16		settings = $.extend({
17	        travelocity: 0.05,
18	        showControls: false
19	    }, settings);
20
21		return this.each(function() {
22			var strip = this,
23				$strip = $(strip);
24	
25			$strip.addClass("newsticker")
26			$stripItems = $strip.find("li");
27			
28			var stripWidth = 0,
29				// $mask = $strip.wrap("<div class='ticker-mask'></div>"),
30				$tickercontainer = $('.tickercontainer'),
31				// $tickercontainer = $strip.parent().wrap("<div class='t4bScroll-container'></div>").parent(),
32				paused = false,
33				containerWidth = $strip.parent().parent().width(); //a.k.a. 'mask' width
34	
35			var currentItemIndex = function() {
36				var index = 0,
37					currentLeft = parseInt($strip.css("left")),
38					accumulatedWidth = 0;
39					
40				if (currentLeft > 0) {
41					return 0;
42				} else {
43					$strip.find("li").each(function(i) {
44						if (currentLeft == (0 - accumulatedWidth)) {
45							index = i;
46							return false;
47						}
48						accumulatedWidth += $(this).width();
49						if (currentLeft > (0 - accumulatedWidth)) {
50							index = i;
51							return false;
52						}
53						return true;
54					});
55				}
56				return index;
57			};
58
59			var next = function() {
60	            pause();
61	            var index = currentItemIndex();
62	            if (index >= $stripItems.length - 1) {
63	                $strip.css("left", "0px");
64	            } else {
65	                var $itm = $stripItems.eq(index + 1);
66	                $strip.css("left", (0 - $itm.position().left) + "px");
67	            }
68	        };
69	        var pause = function() {
70	            $strip.stop();
71	            $tickercontainer
72	                .removeClass("t4bScroll-playing")
73	                .addClass("t4bScroll-paused");
74	            paused = true;
75	        };
76	        var previous = function() {
77	            pause();
78	            var index = currentItemIndex(), 
79					$itm = null;
80					
81	            if (index == 0) {
82	                $itm = $stripItems.eq($stripItems.length - 1);
83	            } else {
84	                $itm = $stripItems.eq(index - 1);
85	            }
86	            $strip.css("left", (0 - $itm.position().left) + "px");
87	        };
88	        var play = function() {
89	            var offset = $strip.offset(),
90					residualSpace = offset.left + stripWidth,
91					residualTime = residualSpace / settings.travelocity;
92					
93	            scrollnews(residualSpace, residualTime);
94	            $tickercontainer
95	                .addClass("t4bScroll-playing")
96	                .removeClass("t4bScroll-paused");
97	            paused = false;
98	        };
99	        var togglePlay = function() {
100	            if (paused) {
101	                play();
102	            } else {
103	                pause();
104	            }
105				updatePlayButton();
106	        };
107
108			var updatePlayButton = function() {
109				if (paused) {
110					$pause.text("Play");
111				} else {
112					$pause.text("Pause");
113				}
114			};
115	
116	        if (settings.showControls) {

117				var $controlsContainer = $('<div class="t4bScroll-controls"></div>')
118					.appendTo($tickercontainer);
119
120				var $prev = $('<div class="t4bScroll-prev">&lt;</div>')
121	                .appendTo($controlsContainer)
122	                .click(function() {
123						previous.call($strip);
124					});
125
126				var $pause = $('<div class="t4bScroll-role">Pause</div>')
127	                .appendTo($controlsContainer)
128	                .click(function() {
129						togglePlay.call($strip);
130					});
131
132				var $next = $('<div class="t4bScroll-next">&gt;</div>')
133	                .appendTo($controlsContainer)
134	                .click(function() {
135						next.call($strip);
136					});
137
138				updatePlayButton(); // Initialize the play button text
139	        }
140			
141			// calculate full width
142			$strip.width(10000); // temporary width to prevent inline elements wrapping to initial width of ul
143			$stripItems.each(function(i) {
144				stripWidth += $(this).outerWidth(true);
145			});
146
147			if (settings.showControls) {
148				/* const controlWidth = $controlsContainer.outerWidth(true);
149				stripWidth -= controlWidth; */
150				$('.ticker-news .tickercontainer .ticker-mask').css('width', '92%');
151			}
152
153			$strip.width(stripWidth * $stripItems.length);
154
155			/*thanks to Scott Waye*/
156			var totalTravel = stripWidth + containerWidth,
157				defTiming = totalTravel / settings.travelocity;
158	
159			function scrollnews(spazio, tempo) {
160				$strip.animate(
161					{ left: '-=' + spazio }, 
162					tempo, 
163					"linear", 
164					function() { 
165						$strip.css("left", containerWidth); 
166						scrollnews(totalTravel, defTiming); 
167					}
168				);
169			}
170			scrollnews(totalTravel, defTiming);
171	        $tickercontainer.addClass("t4bScroll-playing");
172			/* On Mouse Over */
173			$strip.hover(
174				function() {
175					$(this).stop();
176				},
177				function() {
178					if (!paused) {
179						var offset = $(this).offset();
180						var residualSpace = offset.left + stripWidth;
181						var residualTime = residualSpace/settings.travelocity;
182						scrollnews(residualSpace, residualTime);
183					}
184				}
185			);
186
187			$stripItems.hover(
188				function() {
189					if (paused) {
190						var offset = $(this).offset();
191						var residualSpace = offset.left + stripWidth;
192						var residualTime = residualSpace / settings.travelocity;
193						scrollnews(residualSpace, residualTime);
194					}
195				},
196				function() {
197					if (paused) {
198						pause();
199					}
200				}
201			);
202		});
203	};
204})(jQuery);