84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
let offset = 15;
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let loadCount = 15;
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let isLoading = false;
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let loadUri = '';
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let loaderResponseId = '';
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function initLoader(location, loaderId) {
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loadUri = location;
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loaderResponseId = loaderId;
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setupListeners();
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}
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function loadMoreItems() {
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if (isLoading) {
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return false;
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}
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showLoader();
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isLoading = true;
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$.get(loadUri, { offset: offset, count : loadCount })
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.done(function (response) {
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$(loaderResponseId).append(response);
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if (response.trim().length === 0) {
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staleLoader();
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}
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hideLoader();
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isLoading = false;
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})
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.fail(function (jqxhr, statis, error) {
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errorLoader();
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isLoading = false;
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});
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offset += loadCount;
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}
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function setupListeners() {
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if ($(loaderResponseId).length === 1) {
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/*
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https://stackoverflow.com/questions/19731730/jquery-js-detect-users-scroll-attempt-without-any-window-overflow-to-scroll
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*/
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$('html').bind('mousewheel DOMMouseScroll', function (e) {
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var delta = (e.originalEvent.wheelDelta || -e.originalEvent.detail);
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if (delta < 0 && !hasScrollBar) {
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loadMoreItems();
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}
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});
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/*
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https://stackoverflow.com/questions/3898130/check-if-a-user-has-scrolled-to-the-bottom
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*/
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var _throttleTimer = null;
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var _throttleDelay = 100;
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var $window = $(window);
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var $document = $(document);
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var hasScrollBar = false;
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$document.ready(function () {
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$window
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.off('scroll', ScrollHandler)
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.on('scroll', ScrollHandler);
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/*$('#load_penalties_button').click(function () {
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loadMorePenalties();
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});*/
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});
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function ScrollHandler(e) {
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//throttle event:
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hasScrollBar = true;
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clearTimeout(_throttleTimer);
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_throttleTimer = setTimeout(function () {
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//do work
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if ($window.scrollTop() + $window.height() > $document.height() - 100) {
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loadMoreItems();
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}
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}, _throttleDelay);
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}
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}
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} |