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restaurant.js
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restaurant.js
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let initPhotoSwipeFromDOM = function(gallerySelector) {
// parse slide data (url, title, size ...) from DOM elements
// (children of gallerySelector)
let parseThumbnailElements = function(el) {
let thumbElements = el.childNodes,
numNodes = thumbElements.length,
items = [],
figureEl,
linkEl,
size,
item;
for (let i = 0; i < numNodes; i++) {
figureEl = thumbElements[i]; // <figure> element
// include only element nodes
if (figureEl.nodeType !== 1) {
continue;
}
linkEl = figureEl.children[0]; // <a> element
size = linkEl.getAttribute("data-size").split("x");
// create slide object
item = {
src: linkEl.getAttribute("href"),
w: parseInt(size[0], 10),
h: parseInt(size[1], 10)
};
if (figureEl.children.length > 1) {
// <figcaption> content
item.title = figureEl.children[1].innerHTML;
}
if (linkEl.children.length > 0) {
// <img> thumbnail element, retrieving thumbnail url
item.msrc = linkEl.children[0].getAttribute("src");
}
item.el = figureEl; // save link to element for getThumbBoundsFn
items.push(item);
}
return items;
};
// find nearest parent element
let closest = function closest(el, fn) {
return el && (fn(el) ? el : closest(el.parentNode, fn));
};
// triggers when user clicks on thumbnail
let onThumbnailsClick = function(e) {
e = e || window.event;
e.preventDefault ? e.preventDefault() : (e.returnValue = false);
let eTarget = e.target || e.srcElement;
// find root element of slide
let clickedListItem = closest(eTarget, function(el) {
return el.tagName && el.tagName.toUpperCase() === "FIGURE";
});
if (!clickedListItem) {
return;
}
// find index of clicked item by looping through all child nodes
// alternatively, you may define index via data- attribute
let clickedGallery = clickedListItem.parentNode,
childNodes = clickedListItem.parentNode.childNodes,
numChildNodes = childNodes.length,
nodeIndex = 0,
index;
for (let i = 0; i < numChildNodes; i++) {
if (childNodes[i].nodeType !== 1) {
continue;
}
if (childNodes[i] === clickedListItem) {
index = nodeIndex;
break;
}
nodeIndex++;
}
if (index >= 0) {
// open PhotoSwipe if valid index found
openPhotoSwipe(index, clickedGallery);
}
return false;
};
// parse picture index and gallery index from URL (#&pid=1&gid=2)
let photoswipeParseHash = function() {
let hash = window.location.hash.substring(1),
params = {};
if (hash.length < 5) {
return params;
}
let vars = hash.split("&");
for (let i = 0; i < vars.length; i++) {
if (!vars[i]) {
continue;
}
let pair = vars[i].split("=");
if (pair.length < 2) {
continue;
}
params[pair[0]] = pair[1];
}
if (params.gid) {
params.gid = parseInt(params.gid, 10);
}
return params;
};
let openPhotoSwipe = function(
index,
galleryElement,
disableAnimation,
fromURL
) {
let pswpElement = document.querySelectorAll(".pswp")[0],
gallery,
options,
items;
items = parseThumbnailElements(galleryElement);
// define options (if needed)
options = {
// define gallery index (for URL)
galleryUID: galleryElement.getAttribute("data-pswp-uid"),
getThumbBoundsFn: function(index) {
// See Options -> getThumbBoundsFn section of documentation for more info
let thumbnail = items[index].el.getElementsByTagName("img")[0], // find thumbnail
pageYScroll =
window.pageYOffset || document.documentElement.scrollTop,
rect = thumbnail.getBoundingClientRect();
return { x: rect.left, y: rect.top + pageYScroll, w: rect.width };
}
};
// PhotoSwipe opened from URL
if (fromURL) {
if (options.galleryPIDs) {
// parse real index when custom PIDs are used
// http://photoswipe.com/documentation/faq.html#custom-pid-in-url
for (let j = 0; j < items.length; j++) {
if (items[j].pid == index) {
options.index = j;
break;
}
}
} else {
// in URL indexes start from 1
options.index = parseInt(index, 10) - 1;
}
} else {
options.index = parseInt(index, 10);
}
// exit if index not found
if (isNaN(options.index)) {
return;
}
if (disableAnimation) {
options.showAnimationDuration = 0;
}
// Pass data to PhotoSwipe and initialize it
gallery = new PhotoSwipe(pswpElement, PhotoSwipeUI_Default, items, options);
gallery.init();
};
// loop through all gallery elements and bind events
let galleryElements = document.querySelectorAll(gallerySelector);
for (let i = 0, l = galleryElements.length; i < l; i++) {
galleryElements[i].setAttribute("data-pswp-uid", i + 1);
galleryElements[i].onclick = onThumbnailsClick;
}
// Parse URL and open gallery if it contains #&pid=3&gid=1
let hashData = photoswipeParseHash();
if (hashData.pid && hashData.gid) {
openPhotoSwipe(hashData.pid, galleryElements[hashData.gid - 1], true, true);
}
};
// execute above function
initPhotoSwipeFromDOM(".Restaurant__gallery");
$(document).ready(function() {
$("img.Restaurant__gallery--smallImage").mouseenter(function() {
$(this)
.parents("div.Restaurant__galleryZoom")
.find("p.Restaurant__galleryZoom--display")
.css({
display: "initial"
});
});
$("img.Restaurant__gallery--smallImage").mouseleave(function() {
$(this)
.parents("div.Restaurant__galleryZoom")
.find("p.Restaurant__galleryZoom--display")
.css({
display: "none"
});
});
$(window).on("scroll", function() {
let positionScroll = $(window).scrollTop() + $(window).height() * 3 / 4;
$(".Restaurant__hidden--left").each(function() {
let positionElement = $(this).offset().top;
positionScroll >= positionElement
? $(this)
.addClass("Restaurant__text--fadeInLeft")
.removeClass("Restaurant__hidden")
: null;
});
$(".Restaurant__hidden--right").each(function() {
let positionElement = $(this).offset().top;
positionScroll >= positionElement
? $(this)
.addClass("Restaurant__text--fadeInRight")
.removeClass("Restaurant__hidden")
: null;
});
$(".Restaurant__hidden--up").each(function() {
let positionElement = $(this).offset().top;
positionScroll >= positionElement
? $(this)
.addClass("Restaurant__text--fadeInUp")
.removeClass("Restaurant__hidden")
: null;
});
});
});