info.js
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/**
* 资讯相关API
* @author: xuqi<qi.xu@yoho.cn>
* @date: 2015/10/10
*/
var $ = require('yoho.zepto'),
ellipsis = require('mlellipsis'),
lazyLoad = require('yoho.zeptolazyload');
var tip = require('../plugin/tip');
var $loadMoreInfo = $('#load-more-info');
var $loading = $(''),
$noMore = $('');
var loading = false;
ellipsis.init();
if ($loadMoreInfo.length > 0) {
$loading = $loadMoreInfo.children('.loading');
$noMore = $loadMoreInfo.children('.no-more');
}
/**
* 设置指定资讯项的Lazyload和文字截取
* @params $infos 资讯项
*/
function setLazyLoadAndMellipsis($infos) {
lazyLoad($infos.find('img.lazy'));
$infos.each(function() {
var $this = $(this),
$title = $this.find('.info-title'),
$text = $this.find('.info-text');
//减少重复调用
if ($title.attr('title') && $text.attr('title')) {
return;
}
$title[0].mlellipsis(2);
$text[0].mlellipsis(2);
});
}
/**
* 初始化资讯列表事件绑定
* @params $container 逛资讯列表容器
*/
function initInfosEvt($container) {
$container.delegate('.like-btn', 'touchstart', function(e) {
var $likeBtn = $(e.currentTarget),
$info = $likeBtn.closest('.guang-info'),
opt = 'ok';
if ($likeBtn.hasClass('like')) {
opt = 'cancel';
}
$.ajax({
type: 'POST',
url: '/guang/opt/praiseArticle',
data: {
id: $info.data('id'),
opt: opt
},
success: function(data) {
var code = data.code;
if (code === 200) {
$likeBtn.next('.like-count').text(data.data);
//切换点赞状态
$likeBtn.toggleClass('like');
}
},
error: function() {
tip.show('网络断开连接了~');
}
});
});
setLazyLoadAndMellipsis($container.find('.guang-info'));
}
/**
* 资讯LoadMore
*/
function loadMore($container, opt) {
if (loading) {
return;
}
if (opt.end) {
return;
}
loading = true;
$.ajax({
type: 'GET',
url: ' /guang/list/page',
data: opt,
success: function(data) {
if (data === ' ') {
opt.end = true;
loading = false;
//
$loading.addClass('hide');
$noMore.removeClass('hide');
return;
}
$container.append(data);
setLazyLoadAndMellipsis($container.find('.guang-info'));
opt.page++;
loading = false;
},
error: function() {
tip.show('网络断开连接了~');
loading = false;
}
});
}
exports.initInfosEvt = initInfosEvt;
exports.setLazyLoadAndMellipsis = setLazyLoadAndMellipsis;
exports.loadMore = loadMore;