home.js
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/**
* 逛首页
* @author: xuqi<qi.xu@yoho.cn>
* @date: 2015/10/10
*/
var $ = require('jquery');
var info = require('./info'),
loadMore = info.loadMore;
var $loadMoreInfo = $('#load-more-info');
var $loading = $(''),
$noMore = $('');
var winH = $(window).height();
var $infoList = $('#info-list'),
$infos = $infoList.children('.info-list'),
$nav = $('#guang-nav'),
$curNav = $nav.children('.focus'),
curType = $curNav.data('type');
var state = {};
if ($loadMoreInfo.length > 0) {
$loading = $loadMoreInfo.children('.loading');
$noMore = $loadMoreInfo.children('.no-more');
}
info.initSwiper(curType);
info.initInfosEvt($infoList);
//初始化各Nav下资讯加载的状态
(function() {
var gender = $('#gender').val();
$nav.children('.guang-nav-item').each(function() {
var type = $(this).data('type'),
focus = $(this).hasClass('focus');
state[type] = {
page: focus ? 2 : 1,
gender: gender,
type: type,
end: false
};
});
}());
$nav.bind('contextmenu', function(e) {
return false;
});
$nav.on('touchend touchcancel', function(e) {
var $this = $(e.target).closest('.guang-nav-item'),
$content,
index;
if ($this.hasClass('focus')) {
return;
}
index = $this.index();
$this.addClass('focus');
$curNav.removeClass('focus');
$content = $infos.eq(index);
$curNav = $this;
curType = $this.data('type');
//当未加载数据时去请求数据
if (state[curType].page === 1) {
//无数据时隐藏正在加载和没有更多字样
$loading.addClass('hide');
$noMore.addClass('hide');
state[curType].isTab = true;
loadMore($content, state[curType]);
} else {
//重置当前Tab的load-more
if (state[curType].end) {
$loading.addClass('hide');
$noMore.removeClass('hide');
} else {
$loading.removeClass('hide');
$noMore.addClass('hide');
}
}
$infos.not('.hide').addClass('hide');
$content.removeClass('hide');
if (state[curType].page === 1) {
window.rePosFooter();//进入空内容时重新定位footer位置
}
});
function scrollHandler() {
var $c = $infos.not('.hide');
if ($(window).scrollTop() + winH >= $(document).height() - 0.25 * $c.height()) {
loadMore($c, state[curType]);
}
}
//srcoll to load more
$(document).scroll(function() {
window.requestAnimationFrame(scrollHandler);
});
$nav.on('touchstart', function(e) {
var target = e.target || e.srcElement;
target.className = 'bytouch ' + target.className;
}).on('touchend touchcancel', function() {
$nav.find('li').removeClass('bytouch');
});