forked from rebillar/site-accueil-insa
55 lines
1.3 KiB
JavaScript
55 lines
1.3 KiB
JavaScript
var showcase = $("#img_big");
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var showcaseLink = $("#img_big_link");
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var photoBackButton = $("#photo_back_button");
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/*
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* Display selected image in showcase
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* When clicked, display image in full size
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*/
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function displayBig(elem) {
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changeImage($(elem).attr('src'));
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photoBackButton.css("display", "block");
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}
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/*
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* Hide showcase image
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*/
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function closeBig() {
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photoBackButton.css("display", "none")
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}
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/*
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* Display next/last image in showcase. When reaching end/start, loop back to start/end
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*/
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function displayNext(direction) {
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var currentSrc = showcase.attr('src');
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var photos = document.getElementsByClassName("photo");
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var current = 0;
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for (i = 0; i < photos.length; i++) {
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if ($(photos[i]).attr('src') == currentSrc) {
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current = i;
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}
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}
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var next = current + direction;
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var nextId = "";
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if (direction > 0) {
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nextId = "#photo-0";
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} else {
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nextId = "#photo-" + (photos.length - 1);
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}
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if (document.getElementById("photo-" + next) != null) {
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nextId = "#photo-" + next;
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}
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var nextSrc = $(nextId).attr('src');
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changeImage(nextSrc);
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}
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/*
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* Change image source and link
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*/
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function changeImage(src) {
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showcase.attr("src", src);
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showcaseLink.attr("href", src);
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}
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