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https://mathematik.de/templates/shaper_helixultimate/js/main.js

js mathematik.de collected 2026-09-24 09:31:43 UTC 20,777 bytes, 742 lines download raw bytes

1/**
2 * @package Helix Ultimate Framework
3 * @author JoomShaper https://www.joomshaper.com
4 * @copyright Copyright (c) 2010 - 2023 JoomShaper
5 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
6 */
7
8// Preloader
9jQuery(window).on('load', function () {
10	if (jQuery('.sp-loader-with-logo').length > 0) {
11
12		move();
13	}
14	jQuery('.sp-pre-loader').fadeOut(500, function () {
15		jQuery(this).remove();
16	});
17});
18
19/**
20 * Move the progress bar
21 */
22function move() {
23	var elem = document.getElementById('line-load');
24	var width = 1;
25	var id = setInterval(frame, 10);
26	function frame() {
27		if (width >= 100) {
28			clearInterval(id);
29		} else {
30			width++;
31			elem.style.width = width + '%';
32		}
33	}
34
35}
36
37jQuery(function ($) {
38
39	/**
40	 * Helix settings data
41	 *
42	 */
43	var settings = Joomla.getOptions('data') || {};
44
45	/**
46	 * sticky header
47	 *
48	 * @param {string} className the header className
49	 */
50	var handleStickiness = function (className, offsetTop) {
51		if ($('body:not(.layout-edit-iframe)').hasClass(className)) {
52			var $header = $('#sp-header');
53			var headerHeight = $header.outerHeight();
54			var $stickyHeaderPlaceholder = $('.sticky-header-placeholder');
55			let $stickyOffset = '100';
56
57			if (settings.header !== undefined && settings.header.stickyOffset !== undefined) {
58				$stickyOffset = settings.header.stickyOffset || '100';
59			}
60
61			var stickyHeader = function () {
62				var scrollTop = $(window).scrollTop();
63				if (scrollTop >= offsetTop + Number($stickyOffset)) {
64					$header.addClass('header-sticky');
65					$stickyHeaderPlaceholder.height(headerHeight);
66				} else {
67					if ($header.hasClass('header-sticky')) {
68						$header.removeClass('header-sticky');
69						$stickyHeaderPlaceholder.height('inherit');
70					}
71				}
72			};
73
74			stickyHeader();
75			$(window).scroll(function () {
76				stickyHeader();
77			});
78
79			if ($('body').hasClass('layout-boxed')) {
80				var windowWidth = $header.parent().outerWidth();
81				$header.css({ 'max-width': windowWidth, left: 'auto' });
82			}
83		} else {
84			var $header = $('#sp-header');
85			if ($header.hasClass('header-sticky')) {
86				$header.removeClass('header-sticky');
87			}
88			$(window).off('scroll');
89		}
90	};
91
92	/**
93	 * Calculate the header offset based on the
94	 * backend preview iframe site and real site.
95	 *
96	 * @return  integer The offset value
97	 */
98	function getHeaderOffset() {
99		/**
100		 * Real site header offset top
101		 *
102		 */
103		let $header = $('#sp-header');
104		let stickyHeaderTop = $header.offset().top;
105
106		/**
107		 * Backend edit preview iframe header offset top
108		 *
109		 */
110		let $backHeader = $('body.back-panel').find('#sp-header');
111		let backPanelStickyHeaderTop = null;
112
113		/**
114		 * If the class .back-panel exists,
115		 * that means this is from backend preview frame,
116		 * then get the offset top, as it varies with the original one.
117		 *
118		 */
119		if ($backHeader.length > 0) {
120			backPanelStickyHeaderTop = $backHeader.offset().top;
121		}
122
123		// By Default the header offset is the original header top
124		let headerOffset = stickyHeaderTop;
125
126		/**
127		 * If back panel sticky header top has value rather than null
128		 * that means the device type is changes from desktop to table or mobile or vice-versa.
129		 * If value found then subtract the settings topbar height from the offset top.
130		 *
131		 */
132		if (backPanelStickyHeaderTop !== null) {
133			headerOffset = backPanelStickyHeaderTop - settings.topbarHeight;
134			headerOffset = headerOffset < 0 ? stickyHeaderTop : headerOffset;
135		}
136
137		return headerOffset;
138	}
139
140	const headerExist = $('#sp-header');
141	if (headerExist.length > 0) {
142		handleStickiness('sticky-header', getHeaderOffset());
143	}
144
145	// go to top
146	$(window).scroll(function () {
147		if ($(this).scrollTop() > 100) {
148			$('.sp-scroll-up').fadeIn();
149		} else {
150			$('.sp-scroll-up').fadeOut(400);
151		}
152	});
153
154	$('.sp-scroll-up').click(function () {
155		$('html, body').animate(
156			{
157				scrollTop: -60,
158			},
159			600
160		);
161		return false;
162	});
163
164	//mega menu
165	$('.sp-megamenu-wrapper').parent().parent().css('position', 'static').parent().css('position', 'relative');
166	$('.sp-menu-full').each(function () {
167		$(this).parent().addClass('menu-justify');
168	});
169
170
171
172	$('#offcanvas-toggler, .offcanvas-toggler-secondary, .offcanvas-toggler-full').on('click', function (event) {
173		event.preventDefault();
174		openOffcanvas();
175	});
176
177	// Close handlers
178	$('.close-offcanvas, .offcanvas-overlay').on('click', function (event) {
179		event.preventDefault();
180		closeOffcanvas();
181	});
182
183	// Open function
184	function openOffcanvas() {
185		$('.offcanvas-init').addClass('offcanvas-active full-offcanvas');
186		$(document.body).css('overflow', 'hidden');
187
188		// Make offcanvas interactive
189		$('.offcanvas-menu')
190			.removeAttr('inert')
191			.attr('tabindex', '0');
192
193		// Set focus to close button (better for accessibility)
194		setTimeout(() => {
195			$('.close-offcanvas').focus();
196		}, 100);
197
198		// Add keyboard trap
199		$(document).on('keydown.offcanvas', handleOffcanvasKeyboard);
200	}
201
202	// Close function
203	function closeOffcanvas() {
204		$('.offcanvas-init').removeClass('offcanvas-active full-offcanvas');
205		$(document.body).css('overflow', '');
206
207		// Make offcanvas non-interactive
208		$('.offcanvas-menu')
209			.attr('inert', '')
210			.attr('tabindex', '-1');
211
212		// Return focus to the trigger
213		$('#offcanvas-toggler').focus();
214
215		// Remove keyboard trap
216		$(document).off('keydown.offcanvas');
217	}
218
219	// Keyboard trap handler on offcanvas
220	function handleOffcanvasKeyboard(e) {
221		if (!$('.offcanvas-init').hasClass('offcanvas-active')) return;
222
223		const $offcanvas = $('.offcanvas-menu');
224		const focusable = 'a[href], button, input, textarea, select, [tabindex="0"]';
225		const $focusable = $offcanvas.find(focusable).filter(':visible');
226
227		// Escape key closes
228		if (e.key === 'Escape') {
229			e.preventDefault();
230			closeOffcanvas();
231			return;
232		}
233
234		// Tab key containment
235		if (e.key === 'Tab') {
236			const $first = $focusable.first();
237			const $last = $focusable.last();
238
239			if (!$offcanvas[0].contains(document.activeElement)) {
240				e.preventDefault();
241				$first.focus();
242				return;
243			}
244
245			if (e.shiftKey && document.activeElement === $first[0]) {
246				e.preventDefault();
247				$last.focus();
248			} else if (!e.shiftKey && document.activeElement === $last[0]) {
249				e.preventDefault();
250				$first.focus();
251			}
252		}
253	}
254
255	// Prevent focus on inert elements
256	$(document).on('focusin', function (e) {
257		if ($(e.target).closest('[inert]').length) {
258			e.preventDefault();
259			$('#offcanvas-toggler').focus();
260		}
261	});
262
263	// Modal Menu
264	if ($('#modal-menu').length > 0) {
265		let $modalToggler = $('#modal-menu-toggler');
266		let $modalMenu = $('#modal-menu');
267		let $body = $('body');
268
269		$modalToggler.on('click', function (e) {
270			e.preventDefault();
271			$modalMenu.toggleClass('active');
272			$body.toggleClass('modal-menu-active');
273			$(this).toggleClass('active');
274		});
275
276		// modal menu close with escape
277		$(document).keyup(function (e) {
278			if (e.key == 'Escape') {
279				$modalMenu.removeClass('active');
280				$modalToggler.removeClass('active');
281				$body.removeClass('modal-menu-active');
282			}
283		});
284	}
285
286	// Tooltip
287	const tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"], .hasTooltip'));
288	tooltipTriggerList.map(function (tooltipTriggerEl) {
289		return new bootstrap.Tooltip(tooltipTriggerEl, {
290			html: true
291		});
292	});
293
294	// Popover
295	const popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"], .hasPopover'));
296	popoverTriggerList.map(function (popoverTriggerEl) {
297		return new bootstrap.Popover(popoverTriggerEl);
298	});
299
300	// Article Ajax voting
301	$('.article-ratings .rating-star').on('click', function (event) {
302		event.preventDefault();
303		var $parent = $(this).closest('.article-ratings');
304
305		var request = {
306			option: 'com_ajax',
307			template: template,
308			action: 'rating',
309			rating: $(this).data('number'),
310			article_id: $parent.data('id'),
311			format: 'json',
312		};
313
314		$.ajax({
315			type: 'POST',
316			data: request,
317			beforeSend: function () {
318				$parent.find('.fa-spinner').show();
319			},
320			success: function (response) {
321				var data = $.parseJSON(response);
322				$parent.find('.ratings-count').text(data.message);
323				$parent.find('.fa-spinner').hide();
324
325				if (data.status) {
326					$parent.find('.rating-symbol').html(data.ratings);
327				}
328
329				setTimeout(function () {
330					$parent.find('.ratings-count').text('(' + data.rating_count + ')');
331				}, 3000);
332			},
333		});
334	});
335
336	//  Cookie consent
337	$('.sp-cookie-allow').on('click', function (event) {
338		event.preventDefault();
339
340		var date = new Date();
341		date.setTime(date.getTime() + 30 * 24 * 60 * 60 * 1000);
342		var expires = '; expires=' + date.toGMTString();
343		document.cookie = 'spcookie_status=ok' + expires + '; path=/';
344
345		$(this).closest('.sp-cookie-consent').fadeOut();
346	});
347
348	$('.btn-group label:not(.active)').click(function () {
349		var label = $(this);
350		var input = $('#' + label.attr('for'));
351
352		if (!input.prop('checked')) {
353			label.closest('.btn-group').find('label').removeClass('active btn-success btn-danger btn-primary');
354			if (input.val() === '') {
355				label.addClass('active btn-primary');
356			} else if (input.val() == 0) {
357				label.addClass('active btn-danger');
358			} else {
359				label.addClass('active btn-success');
360			}
361			input.prop('checked', true);
362			input.trigger('change');
363		}
364		var parent = $(this).parents('#attrib-helix_ultimate_blog_options');
365		if (parent) {
366			showCategoryItems(parent, input.val());
367		}
368	});
369	$('.btn-group input[checked=checked]').each(function () {
370		if ($(this).val() == '') {
371			$('label[for=' + $(this).attr('id') + ']').addClass('active btn btn-primary');
372		} else if ($(this).val() == 0) {
373			$('label[for=' + $(this).attr('id') + ']').addClass('active btn btn-danger');
374		} else {
375			$('label[for=' + $(this).attr('id') + ']').addClass('active btn btn-success');
376		}
377		var parent = $(this).parents('#attrib-helix_ultimate_blog_options');
378		if (parent) {
379			parent.find('*[data-showon]').each(function () {
380				$(this).hide();
381			});
382		}
383	});
384
385	function showCategoryItems(parent, value) {
386		var controlGroup = parent.find('*[data-showon]');
387
388		controlGroup.each(function () {
389			var data = $(this).attr('data-showon');
390			data = typeof data !== 'undefined' ? JSON.parse(data) : [];
391			if (data.length > 0) {
392				if (typeof data[0].values !== 'undefined' && data[0].values.includes(value)) {
393					$(this).slideDown();
394				} else {
395					$(this).hide();
396				}
397			}
398		});
399	}
400
401	$(window).on('scroll', function () {
402		var scrollBar = $('.sp-reading-progress-bar');
403		if (scrollBar.length > 0) {
404			var s = $(window).scrollTop(),
405				d = $(document).height(),
406				c = $(window).height();
407			var scrollPercent = (s / (d - c)) * 100;
408			const position = scrollBar.data('position');
409			if (position === 'top') {
410				// var sticky = $('.header-sticky');
411				// if( sticky.length > 0 ){
412				//     sticky.css({ top: scrollBar.height() })
413				// }else{
414				//     sticky.css({ top: 0 })
415				// }
416			}
417			scrollBar.css({ width: `${scrollPercent}%` });
418		}
419	});
420
421	// Error Alert close issue fix for Joomla 3
422	var observer = new MutationObserver(function (mutations) {
423		$('#system-message-container .alert .close').attr('data-bs-dismiss', 'alert');
424	});
425	var target = document.querySelector('#system-message-container');
426	observer.observe(target, {
427		attributes: true
428	});
429
430
431});
432
433
434// Handle accessibility on off-canvas dropdown menus
435jQuery(function ($) {
436	const menuSelector = '.menu-deeper.menu-parent';
437	const togglerSelector = '.menu-toggler';
438	const childSelector = '.menu-child';
439
440	// Toggle submenu open/close
441	function toggleSubmenu($item, open = null) {
442		const $submenu = $item.children(childSelector);
443		const isOpen = $item.hasClass('menu-parent-open');
444
445		if (open === null) open = !isOpen;
446
447		if (open) {
448			$item.addClass('menu-parent-open').attr('aria-expanded', 'true');
449			$submenu.slideDown(150);
450		} else {
451			$item.removeClass('menu-parent-open').attr('aria-expanded', 'false');
452			$submenu.slideUp(150);
453		}
454	}
455
456	// Prevent event bubbling from toggler to link
457	$(document).on('click', togglerSelector, function (event) {
458		event.preventDefault();
459		event.stopPropagation();
460		const $item = $(this).closest(menuSelector);
461		const isOpen = $item.hasClass('menu-parent-open');
462		toggleSubmenu($item, !isOpen);
463	});
464
465	// Handle menu link click or Enter/Space key
466	$(document).on('click keydown', `${menuSelector} > a`, function (event) {
467		const isToggleKey = event.type === 'click' || event.key === 'Enter' || event.key === ' ';
468		const isKeyboard = event.key === 'Enter' || event.key === ' ';
469
470		if (isToggleKey) {
471			const $item = $(this).closest(menuSelector);
472			const $submenu = $item.children(childSelector);
473
474			// If submenu exists
475			if ($submenu.length) {
476				// If it's Space key (prevent scrolling), toggle submenu only
477				if (event.key === ' ') {
478					event.preventDefault();
479					toggleSubmenu($item);
480				}
481				// If it's Enter or click — follow link (do not preventDefault)
482				// but also toggle submenu if desired
483				else if (event.key === 'Enter') {
484					toggleSubmenu($item, true);
485
486				} else if (event.type === 'click') {
487					toggleSubmenu($item, true);
488				}
489			}
490		}
491	});
492
493	// Handle arrow key navigation
494	$(document).on('keydown', `${menuSelector} > a`, function (event) {
495		const $currentItem = $(this).closest('li');
496		const $siblings = $currentItem.parent().children('li:visible');
497		const index = $siblings.index($currentItem);
498
499		if (event.key === 'ArrowDown') {
500			event.preventDefault();
501			// If submenu is open, focus first child link
502			const $submenu = $currentItem.children(childSelector);
503			if ($submenu.length && $currentItem.hasClass('menu-parent-open')) {
504				const $firstChildLink = $submenu.children('li:visible').find('a').first();
505				if ($firstChildLink.length) {
506					$firstChildLink.focus();
507					return;
508				}
509			}
510			// Otherwise, move to next sibling
511			$siblings.eq((index + 1) % $siblings.length).find('a').first().focus();
512		} else if (event.key === 'ArrowUp') {
513			event.preventDefault();
514			// Move to previous sibling
515			$siblings.eq((index - 1 + $siblings.length) % $siblings.length).find('a').first().focus();
516		} else if (event.key === 'ArrowRight') {
517			// Open nested submenu if present
518			const $submenu = $currentItem.children(childSelector);
519			if ($submenu.length) {
520				event.preventDefault();
521				toggleSubmenu($currentItem, true);
522				const $firstChildLink = $submenu.children('li:visible').find('a').first();
523				if ($firstChildLink.length) {
524					$firstChildLink.focus();
525				}
526			}
527		} else if (event.key === 'ArrowLeft' || event.key === 'Escape') {
528			event.preventDefault();
529			// Close only the current open dropdown
530			toggleSubmenu($currentItem, false);
531			$currentItem.children('a').first().focus();
532		}
533	});
534
535	// Handle arrow key navigation inside submenu
536	$(document).on('keydown', `${childSelector} > li > a`, function (event) {
537		const $currentItem = $(this).closest('li');
538		const $siblings = $currentItem.parent().children('li:visible');
539		const index = $siblings.index($currentItem);
540
541		if (event.key === 'ArrowDown') {
542			event.preventDefault();
543			$siblings.eq((index + 1) % $siblings.length).find('a').first().focus();
544		} else if (event.key === 'ArrowUp') {
545			event.preventDefault();
546			$siblings.eq((index - 1 + $siblings.length) % $siblings.length).find('a').first().focus();
547		} else if (event.key === 'ArrowRight') {
548			// Open nested submenu if present
549			const $submenu = $currentItem.children(childSelector);
550			if ($submenu.length) {
551				event.preventDefault();
552				toggleSubmenu($currentItem, true);
553				const $firstChildLink = $submenu.children('li:visible').find('a').first();
554				if ($firstChildLink.length) {
555					$firstChildLink.focus();
556				}
557			}
558		} else if (event.key === 'ArrowLeft' || event.key === 'Escape') {
559			event.preventDefault();
560			// Close submenu and focus parent
561			const $parentMenu = $currentItem.parents(menuSelector).first();
562			toggleSubmenu($parentMenu, false);
563			$parentMenu.children('a').first().focus();
564		}
565	});
566
567	// Close all menus when clicking outside
568	$(document).on('click', function (event) {
569		if (!$(event.target).closest('.menu-deeper').length) {
570			$(menuSelector).removeClass('menu-parent-open').attr('aria-expanded', 'false');
571			$(childSelector).slideUp(150);
572		}
573	});
574
575	//mark all menu-parents as aria-haspopup
576	$(menuSelector).attr('aria-haspopup', 'true').attr('aria-expanded', 'false');
577});
578
579// Handle accessibility on megamenu and profile dropdowns
580jQuery(function ($) {
581	const menuSelectors = '.sp-megamenu-parent > li, .sp-profile-wrapper';
582
583	$(menuSelectors).each(function () {
584		const $menuItem = $(this);
585		const $trigger = $menuItem.children('a, button');
586		const $dropdown = $menuItem.children('.sp-dropdown, .sp-profile-dropdown');
587
588		if ($dropdown.length) {
589			setupDropdownEvents($menuItem, $trigger, $dropdown);
590		}
591	});
592
593	bindNestedDropdowns('body');
594
595	function setupDropdownEvents($menuItem, $trigger, $dropdown) {
596		// Show on focus or mouseenter
597		$trigger.on('focus mouseenter', function () {
598			openMenu($menuItem, $dropdown);
599		});
600
601		$menuItem.on('mouseenter', function () {
602			openMenu($menuItem, $dropdown);
603		});
604
605		// Hide on focusout or mouseleave
606		$menuItem.on('mouseleave focusout', function () {
607			setTimeout(function () {
608				if (!$menuItem.find(':focus').length && !$menuItem.is(':hover')) {
609					closeMenu($menuItem, $dropdown);
610				}
611			}, 100);
612		});
613
614		// Keyboard trigger
615		$trigger.on('keydown', function (event) {
616			switch (event.key) {
617				case ' ':
618					event.preventDefault();
619					openMenu($menuItem, $dropdown);
620					break;
621				case 'ArrowDown':
622					event.preventDefault();
623					openMenu($menuItem, $dropdown);
624					focusFirstItem($dropdown);
625					break;
626				case 'Escape':
627					event.preventDefault();
628					closeMenu($menuItem, $dropdown);
629					$trigger.focus();
630					break;
631			}
632		});
633
634		// Prevent click from toggling menu
635		$trigger.on('click', function (event) {
636			if ($dropdown.length) {
637				openMenu($menuItem, $dropdown);
638			}
639		});
640
641	}
642
643	function bindNestedDropdowns(containerSelector) {
644		$(containerSelector).find(' .sp-has-child').each(function () {
645			const $subItem = $(this);
646			const $trigger = $subItem.children('a, button');
647			const $subDropdown = $subItem.children('.sp-dropdown');
648
649			if ($subDropdown.length) {
650				setupDropdownEvents($subItem, $trigger, $subDropdown);
651				bindNestedDropdowns($subDropdown);
652			}
653		});
654	}
655
656	function openMenu($item, $dropdown) {
657		$dropdown.show();
658		// Only force display for .sp-profile-dropdown
659		if ($dropdown.hasClass('sp-profile-dropdown')) {
660			$dropdown.attr('style', 'display: block !important');
661		}
662		bindKeyboardNavigation($dropdown);
663	}
664
665	function closeMenu($item, $dropdown) {
666		$dropdown.hide();
667		// Reset style for .sp-profile-dropdown
668		if ($dropdown.hasClass('sp-profile-dropdown')) {
669			$dropdown.removeAttr('style');
670		}
671	}
672
673	function focusFirstItem($dropdown) {
674		const $focusable = $dropdown.find('a, button').filter(':visible');
675		if ($focusable.length) {
676			$focusable.first().focus();
677		}
678	}
679
680	function bindKeyboardNavigation($dropdown) {
681		const $items = $dropdown.find('a, button').filter(':visible');
682
683		$items.off('keydown').on('keydown', function (event) {
684			const currentIndex = $items.index(this);
685			let newIndex = -1;
686
687			if (event.key === 'ArrowDown') {
688				event.preventDefault();
689				newIndex = (currentIndex + 1) % $items.length;
690			} else if (event.key === 'ArrowUp') {
691				event.preventDefault();
692				newIndex = (currentIndex - 1 + $items.length) % $items.length;
693			} else if (event.key === 'Escape') {
694				event.preventDefault();
695
696				// Reset style for .sp-profile-dropdown
697				if ($dropdown.hasClass('sp-profile-dropdown')) {
698					$dropdown.removeAttr('style');
699				}
700
701				const $currentDropdown = $(this).closest('.sp-dropdown');
702				const $parentItem = $currentDropdown.parent(' .sp-has-child, .sp-megamenu-parent > li');
703
704				// Check if this is the root-level dropdown
705				const isRoot = $parentItem.parent().is('.sp-megamenu-parent, .sp-megamenu-parent > ul, nav');
706
707				if (isRoot) {
708					// Close all menus
709					$(menuSelectors).each(function () {
710						const $item = $(this);
711						closeMenu($item, $item.children('.sp-dropdown'));
712					});
713				} else {
714					// Close only current submenu and focus its trigger
715					const $trigger = $parentItem.children('a, button');
716					closeMenu($parentItem, $currentDropdown);
717					if ($trigger.length) {
718						$trigger.focus();
719					}
720				}
721				return;
722			}
723
724			if (newIndex > -1) {
725				$items.eq(newIndex).focus();
726			}
727		});
728	}
729
730	// Close all menus on outside click
731	$(document).on('click', function (event) {
732		if (!$(event.target).closest(menuSelectors).length) {
733			$(menuSelectors).each(function () {
734				const $item = $(this);
735				closeMenu($item, $item.children('.sp-dropdown'));
736			});
737		}
738	});
739
740});
741
742

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