desc.js
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/**
* 商品详情 --异步加载页面下半部分
* @author: liangzhifeng<zhifeng.liang@yoho.cn>
* @date: 2015/11/18
*/
var $ = require('yoho-jquery'),
lazyLoad = require('yoho-jquery-lazyload'),
Swiper = require('yoho-swiper'),
loading = require('../../plugin/loading'),
tip = require('../../plugin/tip');
var introUrl = $('#introUrl').val(),
winH = $(window).height(),
$productDesc,
searching = false,
end = false;
// 判断是否要显示向左滑动提示
function hiddenTips($ele) {
var offsetContainer,
offsetLastColumn;
if ($ele.length > 0) {
offsetContainer = $ele[0].getBoundingClientRect().right;
if ($ele.find('.swiper-slide:last-child')[0]) {
offsetLastColumn = $ele.find('.swiper-slide:last-child')[0].getBoundingClientRect().right;
}
if (offsetLastColumn - offsetContainer < 0) {
$ele.next('.tips').css('display', 'none');
} else {
$ele.next('.tips').css('display', 'block');
}
}
}
// function isFlexSupport() {
// var flex = document.createElement('p').style.flex,
// webkitFlex = document.createElement('p').style.webkitFlex,
// flexWrap = document.createElement('p').style.flexWrap;
//
// if ((flex === '' || webkitFlex === '') && flexWrap === '') {
// return true;
// } else {
// return false;
// }
// }
function wrapElements(selector, count) {
var elArr = null;
$(selector).each(function(idx) {
elArr = $(selector).slice(idx, idx + count);
if (elArr.length === count && idx % count === 0) {
$(elArr).wrapAll($('<div class="js-wraper"></div>'));
}
});
}
function search() {
if (searching || end) {
return;
}
searching = true;
// alert($('#reference-swiper-container .swiper-wrapper').width());
loading.showLoadingMask();
$.ajax({
type: 'GET',
url: introUrl,
success: function(data) {
$productDesc = $('#productDesc');
$productDesc.append(data);
window.rePosFooter();
lazyLoad($productDesc.find('img.lazy'));
// 尺码信息左右滑动
new Swiper('#size-swiper-container', {
slidesPerView: 'auto'
});
// 模特试穿左右滑动
new Swiper('#reference-swiper-container', {
slidesPerView: 'auto'
});
hiddenTips($('#size-swiper-container'));
hiddenTips($('#reference-swiper-container'));
// if (!isFlexSupport()) {
// $('.detail .column').removeClass('column').addClass('oldbox');
// }
wrapElements('.detail .column', 2);
searching = false;
end = true;
loading.hideLoadingMask();
},
error: function() {
tip.show('网络断开连接了~');
searching = false;
loading.hideLoadingMask();
}
});
}
function scrollHandler() {
if (!end || $(window).scrollTop() + winH >= $(document).height() - 200) {
search();
}
}
// srcoll to load more
$(window).scroll(function() {
window.requestAnimationFrame(scrollHandler);
});