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/**
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* sale
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* 商品列表页
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* @author: wsl<shuiling.wang@yoho.cn>
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* @date: 2016/5/17
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*/
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var $ = require('yoho-jquery'),
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Swiper = require('yoho-swiper'),
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ellipsis = require('yoho-mlellipsis'),
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lazyLoad = require('yoho-jquery-lazyload'),
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Swiper = require('yoho-swiper');
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tip = require('../plugin/tip'),
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filter = require('../plugin/filter'),
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loading = require('../plugin/loading');
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var $goodsContainer = $('#goods-container'),
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$goodsChildren = $goodsContainer.children(),
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$ngc = $($goodsChildren.get(0)),
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$pgc = $($goodsChildren.get(1)),
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$dgc = $($goodsChildren.get(2));
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var winH = $(window).height(),
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noResult = '<p class="no-result">未找到相关搜索结果</p>';
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// 默认筛选条件
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var defaultOpt = require('./query-param');
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var $listNav = $('#list-nav'),
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// 导航数据信息
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navInfo = {
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newest: {
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order: 1,
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reload: true,
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page: 0,
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end: false
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},
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price: {
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order: 1,
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reload: true,
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page: 0,
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end: false
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},
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discount: {
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order: 1,
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reload: true,
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page: 0,
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end: false
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}
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},
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$pre = $listNav.find('.active'), // 纪录进入筛选前的active项，初始为选中项
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searching;
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require('./suspend-cart'); // 悬浮购物车
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ellipsis.init();
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lazyLoad($('img.lazy'));
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...
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...
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@@ -20,3 +67,325 @@ if ($('.swiper-container .swiper-slide').length > 1) { |
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pagination: '.banner-top .pagination-inner'
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});
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}
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/**
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* 筛选注册的回调，筛选子项点击后逻辑
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* 需要执行search的场景：1.点选筛选项；2.relaod为true时切换导航；3.下拉加载
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* @param opt {type, id}
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*/
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function search(opt) {
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var setting = {},
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ext,
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att,
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nav, navType,
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page;
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if (searching) {
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return;
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}
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if (opt) {
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// 筛选项变更则重置reload为true
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for (att in navInfo) {
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if (navInfo.hasOwnProperty(att)) {
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navInfo[att].reload = true;
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}
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}
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// 处理active状态
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$listNav.children('.active').removeClass('active');
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$pre.addClass('active');
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switch (opt.type) {
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case 'gender':
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ext = {
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gender: opt.id
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};
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break;
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case 'brand':
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ext = {
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brand: opt.id
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};
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break;
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case 'sort':
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ext = {
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sort: opt.id
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};
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break;
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case 'color':
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ext = {
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color: opt.id
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};
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break;
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case 'size':
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ext = {
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size: opt.id
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};
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break;
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case 'price':
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ext = {
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price: opt.id
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};
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break;
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case 'discount':
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ext = {
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discount: opt.id
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};
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break;
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default:
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break;
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}
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$.extend(defaultOpt, ext); // 扩展筛选项
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}
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// 导航类别
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if ($pre.hasClass('new')) {
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navType = 'newest';
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} else if ($pre.hasClass('price')) {
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navType = 'price';
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} else if ($pre.hasClass('discount')) {
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navType = 'discount';
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}
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nav = navInfo[navType];
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page = nav.page + 1;
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if (nav.reload) {
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page = 1;
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} else if (nav.end) {
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// 不需要重新加载并且数据请求结束
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return;
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}
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$.extend(setting, defaultOpt, {
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type: navType,
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order: nav.order,
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page: page
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});
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searching = true;
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loading.showLoadingMask();
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$.ajax({
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type: 'GET',
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url: '/product/newsale/selectNewSale',
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data: setting,
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success: function(data) {
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var $container,
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num;
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switch (navType) {
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case 'newest':
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$container = $ngc;
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break;
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case 'price':
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$container = $pgc;
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break;
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case 'discount':
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$container = $dgc;
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break;
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default:
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break;
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}
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if (data === ' ') {
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nav.end = true;
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if (nav.reload) {
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$container.html(noResult);
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}
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} else {
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if (nav.reload) {
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$container.html(data);
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lazyLoad($container.find('.lazy'));
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} else {
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num = $container.find('.good-info').length;
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$container.append(data);
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// lazy good-infos who append in
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lazyLoad($container.find('.good-info:gt(' + (num - 1) + ') .lazy'));
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}
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}
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nav.reload = false;
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nav.page = page;
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searching = false;
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loading.hideLoadingMask();
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window.rePosFooter();
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$('.good-detail-text .name').each(function() {
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var $this = $(this),
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$title = $this.find('a');
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$title[0].mlellipsis(2);
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});
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},
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error: function() {
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tip.show('网络断开连接了~');
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searching = false;
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loading.hideLoadingMask();
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}
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});
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}
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$.ajax({
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type: 'GET',
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url: '/product/newsale/filter',
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data: defaultOpt,
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success: function(data) {
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$goodsContainer.append(data);
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// 初始化filter&注册filter回调
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filter.initFilter({
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fCbFn: search,
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hCbFn: function() {
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// 切换active状态到$pre上
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$pre.addClass('active');
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$pre.siblings('.filter').removeClass('active');
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},
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missStatus: true
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});
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}
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});
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lazyLoad($('.lazy'));
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// 导航栏点击逻辑说明：
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// 1.点击非active项时切换active状态
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// 2.价格和折扣active状态时继续点击切换排序
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// 3.筛选无active时点击展开筛选面板
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// 4.筛选有active时点击隐藏筛选面板并恢复点击筛选前active项的active状态
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// 5.当前active为筛选并且点击其他项时，隐藏筛选面板
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$listNav.bind('contextmenu', function() {
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return false;
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});
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$listNav.on('touchend touchcancel', function(e) {
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var $this = $(e.target).closest('li'),
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nav,
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navType,
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$active;
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e.preventDefault();
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if (typeof $this === 'undefined' || $this.length === 0) {
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return;
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}
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if ($this.hasClass('filter')) {
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// 筛选面板切换状态
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if ($this.hasClass('active')) {
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filter.hideFilter();
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// 点击筛选钱的active项回复active
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$pre.addClass('active');
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$this.removeClass('active');
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} else {
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$pre = $this.siblings('.active');
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$pre.removeClass('active');
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$this.addClass('active');
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filter.showFilter();
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}
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} else {
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if ($this.hasClass('new')) {
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navType = 'newest';
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} else if ($this.hasClass('price')) {
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navType = 'price';
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} else if ($this.hasClass('discount')) {
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navType = 'discount';
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}
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nav = navInfo[navType];
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if ($this.hasClass('active')) {
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// 最新无排序切换
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if ($this.hasClass('new')) {
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return;
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}
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if ($this.hasClass('price') || $this.hasClass('discount')) {
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// 价格/折扣切换排序状态
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$this.find('.icon > .iconfont').toggleClass('cur');
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$pre = $this; // 更新pre为当前项
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nav.reload = true; // 重置reload,HTML会被替换为逆序的HTML
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nav.order = nav.order === 0 ? 1 : 0; // 切换排序
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}
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} else {
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$active = $this.siblings('.active');
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$pre = $this; // $pre为除筛选导航的其他导航项，若当前active的为筛选，则把$pre置为当前点击项
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if ($active.hasClass('filter')) {
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// 若之前active项为筛选，则隐藏筛选面板
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filter.hideFilter();
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} else {
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// 切换container显示
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$goodsContainer.children('.container:not(.hide)').addClass('hide');
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switch (navType) {
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case 'newest':
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$ngc.removeClass('hide');
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break;
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case 'price':
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$pgc.removeClass('hide');
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break;
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case 'discount':
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$dgc.removeClass('hide');
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break;
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default:
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break;
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}
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}
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$active.removeClass('active');
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$this.addClass('active');
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}
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if (nav.reload) {
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search();
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}
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}
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e.stopPropagation();
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});
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function scrollHandler() {
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// 当scroll到1/4$goodsContainer高度后继续请求下一页数据
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if ($(window).scrollTop() + winH >
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$(document).height() - 0.25 * $goodsContainer.height() - 50) {
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if (typeof($pre) !== 'undefined') {
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search();
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}
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}
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}
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// srcoll to load more
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$(window).scroll(function() {
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window.requestAnimationFrame(scrollHandler);
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});
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// 初始请求最新第一页数据
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search();
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$listNav.on('touchstart', 'li', function() {
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$(this).addClass('bytouch');
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}).on('touchend touchcancel', function() {
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$listNav.find('li').removeClass('bytouch');
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}); |
...
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...
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