/**
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* UI v1.1.0
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* Copyright 2017-2018 Muyao
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* Licensed under the Muyao License 1.0
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*/
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(function (window, document, $) {
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'use strict';
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$.site.contentTabs = {
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$instance: $('#admui-navTabs .site-menu'),
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$content: $('#admui-pageContent'),
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storageKey: 'admui.base.contentTabs',
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tabId: 0,
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relative: 0,
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tabTimeout: 30,
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init: function () {
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this.bind();
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this._defaultTab();
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},
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bind: function () {
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var self = this,
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$navContabs = $("#admui-siteConTabs"),
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$navContent = $navContabs.find("ul.con-tabs");
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this.tabWidth = $navContent.find("li").width();
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this.view = $navContabs.find(".contabs-scroll").width();
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this.ifameTabs();
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// 标签页的左右移动 && 关闭单个标签页 && 切换标签页
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$navContabs
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.on('click.site.contabs', 'button.pull-left', function () {
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self.tabPosition($navContent, self.tabWidth, "right");
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})
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.on('click.site.contabs', '.pull-right>.btn-icon', function () {
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var content = $navContent.width();
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self.tabPosition($navContent, self.tabWidth, "left", self.view, content);
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})
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.on('click.site.contabs', 'ul.con-tabs>li', function (e) {
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var $target = $(e.target), $item = $(this);
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if ($target.is("i.wb-close-mini")) { // 关闭
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self.closeTab($item);
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} else if (!$item.is(".active")) { // 切换
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$item.siblings("li").removeClass("active");
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$item.addClass("active");
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self._checkoutTab($item.find('a'));
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self.enable($item);
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}
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e.preventDefault();
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});
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// 刷新当前页 && 关闭其他 && 所有标签页
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$navContabs
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.on('click.site.contabs', '.pull-right li.reload-page', function () {
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var $navLi = $navContabs.find('ul.con-tabs>li.active>a'),
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tabUrl = $navLi.attr('href');
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// 刷新当前页
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self.$content.children('[src="' + tabUrl + '"]').attr('src', tabUrl);
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})
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.on('click.site.contabs', '.pull-right li.close-other', function () {
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var $navLis = $navContabs.find('ul.con-tabs>li');
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$navLis.each(function () {
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var $that = $(this), tabId;
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if (!$that.is('.active') && $that.index() !== 0) {
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tabId = $that.find('a').attr('target');
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$that.remove();
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self.$content.children('[name="' + tabId + '"]').remove();
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self._updateSetting(tabId);
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}
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});
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$navContent.animate({left: 0}, 100);
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self.btnView('hide');
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})
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.on('click.site.contabs', '.pull-right li.close-all', function () {
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var $tabs = $navContabs.find('ul.con-tabs>li'),
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$checked = $tabs.eq(0);
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$tabs.each(function () {
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var $that = $(this), tabId;
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if ($that.index() !== 0) {
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tabId = $that.find('a').attr('target');
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$that.remove();
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self._updateSetting(tabId);
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}
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});
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$navContent.animate({left: 0}, 100);
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self.btnView('hide');
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$checked.addClass('active');
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self.enable($tabs.eq(0));
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self._checkoutTab($checked.find('a'));
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// 关闭所有
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self.$content.children(':not(:first)').remove();
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self.tabSize();
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});
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// 登出清楚标签页缓存
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$(document).on('click', '#admui-signOut', function () {
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$.sessionStorage.remove(self.storageKey);
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});
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// 浏览器窗口大小改变,标签页的对应状态
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$(window).on('resize', this.resize);
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},
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ifameTabs: function (el) { // 为当前doc对象中的a[data-iframe]标签绑定创建标签页功能
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var self = this,
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doc = el === undefined ? document : el;
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// 新建标签页
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$(doc).on('click', 'a[data-iframe]', function (e) {
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var $item = $(this), urlResult,
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url = $item.attr('href'),
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title = $.trim($item.text()) || $.trim($item.attr('title')),
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iframeContent = $item.data('iframe') || '#admui-pageContent',
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tabResult = $item.is('[target="_blank"]');
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urlResult = new RegExp(/^([a-zA-z]+:|#|javascript|www\.)/); // 不执行新建标签页操作的地址
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if (urlResult.test(url)) {
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return;
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}
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if (tabResult && iframeContent === '#admui-pageContent') {
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window.history.replaceState(null, '', '#!' + url);
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self.tabType = true;
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self.buildTab({name: title, url: url});
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if (!self.$instance.find($item).length) {
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self.enable($item.parent());
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}
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} else if (!tabResult) {
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$(iframeContent).find('iframe.active').attr('src', url);
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}
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e.preventDefault();
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});
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},
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_checkoutTab: function (tab) { // 标签页的切换
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var $content = this.$content,
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tabId = tab.attr('target'),
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tabTitle = $.trim(tab.attr('title')),
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tabUrl = tab.attr('href'),
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$checkedTab = $content.children('iframe[name="' + tabId + '"]');
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$('title').text(tabTitle);
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if (!this.tabType) {
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window.history.replaceState(null, '', '#!' + tabUrl);
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}
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if (!$checkedTab.attr('src')) {
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$checkedTab.attr('src', tabUrl);
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}
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$content.children('.active').removeClass('active');
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$checkedTab.addClass('active');
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$.site.iframeEvents($checkedTab);
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this._updateSetting('checked', tabId);
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this.tabType = false;
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},
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_defaultTab: function () { // 存储默认标签的信息
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var $defaultTab = $('#admui-siteConTabs').find('li:first > a'), settings;
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settings = this.settings = $.sessionStorage.get(this.storageKey);
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if (settings === null) {
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settings = $.extend(true, {}, {
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'iframe-0': {
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'url': $defaultTab.attr('href'),
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'name': $defaultTab.text()
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},
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'checked': $defaultTab.attr('target'),
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'tabId': this.tabId
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});
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this._updateSetting(settings);
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} else {
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this.tabId = settings.tabId;
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}
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},
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_updateSetting: function (item, value) {
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var settings = $.sessionStorage.get(this.storageKey);
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settings = settings ? settings : {};
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if (typeof item === 'object') {
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$.extend(true, settings, item);
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} else if (!value) {
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delete settings[item];
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} else {
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settings[item] = value;
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}
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$.sessionStorage.set(this.storageKey, settings, this.tabTimeout);
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},
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resize: function () {
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var self = $.site.contentTabs,
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$navContabs = $(".site-contabs"),
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$navContent = $navContabs.find("ul.con-tabs");
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self._throttle(function () {
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self.view = $navContabs.find(".contabs-scroll").width();
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self.tabEvent($navContent, 'media');
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}, 200)();
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},
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enable: function ($el) { // 左侧菜单定位
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var $instance = this.$instance,
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href = $.trim($el.find('a').attr('href')),
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_result = href.indexOf('#'),
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tabUrl = _result > 0 ? href.substring(0, _result) : href,
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$current = $instance.find('a[href="' + tabUrl + '"]'),
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$currentParents, $currentLi, $currentHasSub, $instanceLi, checkedId, currentId;
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if ($current.length === 0) {
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$.site.menu.refresh();
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return;
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}
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checkedId = $.trim($instance.closest('div.tab-pane.active').attr('id'));
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currentId = $.trim($current.closest('div.tab-pane').attr('id'));
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if (checkedId !== currentId) {
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$('#admui-navbar a[href="#' + currentId + '"]').tab('show');
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}
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$currentLi = $current.closest('li').siblings('li.open');
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$currentParents = $current.parents('li.has-sub');
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$currentHasSub = $current.closest('li.has-sub').siblings('li.open');
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$instanceLi = $instance.find('li.open');
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$instance.find('li.active').trigger('deactive.site.menu');
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$current.closest('li').trigger('active.site.menu');
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if ($currentLi.length) {
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$currentLi.trigger('close.site.menu');
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}
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if (!$current.closest('li.has-sub').hasClass('open')) {
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if ($currentHasSub.length) {
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$currentHasSub.trigger('close.site.menu');
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}
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if ($instanceLi.length) {
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$instanceLi.not($currentParents).trigger('close.site.menu');
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}
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$currentParents.trigger('open.site.menu');
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}
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},
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buildTab: function (opt) { // 新建标签页
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var $tabNav = $(".con-tabs"), tabName, obj = {}, tabId,
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_url = opt.url,
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_result = _url.indexOf('#'),
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tabUrl = _result > 0 ? _url.substring(0, _result) : _url;
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if (this._checkTabs($tabNav, tabUrl)) { // 标签查重
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return;
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}
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tabId = ++this.tabId;
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tabName = 'iframe-' + tabId;
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// 修改当前选中的标签页
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$tabNav.find("li.active").removeClass("active");
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$tabNav.append('<li class="active"><a href="' + tabUrl + '" target="' + tabName +
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'" title="' + opt.name + '' + '" rel="contents"><span>' + opt.name + '</span><i class="icon' +
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' wb-close-mini">' + '</i></a></li>');
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obj[tabName] = {
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'url': tabUrl,
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'name': opt.name
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};
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$.extend(obj, {
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'checked': tabName,
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'tabId': tabId
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});
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this._updateSetting(obj);
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// 修改页面标题
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opt.name = opt.name === '' ? '无标题' : opt.name;
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$('title').text($.trim(opt.name));
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this.buildIframe(_url);
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this.tabSize();
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this.tabEvent($tabNav, 'media');
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this.tabType = false;
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},
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_checkTabs: function (doc, url) { // 标签查重
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var x, prevAll, nextAll, contentW,
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_view = this.view, _tab = this.tabWidth,
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$currenttab = doc.find("a[href='" + url + "']").closest('li');
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if ($currenttab.hasClass('active')) { // 标签存在&已选中
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return true;
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}
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if ($currenttab.size() <= 0) { // 标签不存在
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return false;
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}
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// 标签存在未选中
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doc.find("li.active").removeClass("active");
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$currenttab.addClass("active");
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// 切换标签页
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this._checkoutTab($currenttab.find('a'));
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// 标签位移到可视界面显示
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x = doc.position().left;
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contentW = doc.width();
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prevAll = $currenttab.prevAll('li').size() * _tab;
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nextAll = $currenttab.nextAll('li').size() * _tab;
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if (-prevAll < x) {
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if (prevAll + x < _view) {
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return true;
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}
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x = -(prevAll - _view + _tab);
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} else {
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if (-x < contentW - nextAll) {
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return true;
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}
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x = -(contentW - nextAll - _tab);
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}
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doc.animate({
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left: x
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}, 100);
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return true;
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},
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buildIframe: function (url) { // 创建iframe窗口
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var $content = this.$content,
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iframeName = 'iframe-' + this.tabId, $checkedIframe;
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$content.children('.active').removeClass('active');
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$content.append('<iframe src="' + url + '" frameborder="0" name="' + iframeName + '" class="page-frame animation-fade active"></iframe>');
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$checkedIframe = $content.find('iframe[name="' + iframeName + '"]');
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$.site.iframeEvents($checkedIframe);
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},
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tabSize: function () { // 修改标签页盒子尺寸
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var content, $tabNav = $(".con-tabs"),
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_num = $tabNav.find("li").size();
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content = this.tabWidth * _num;
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$tabNav.css("width", content);
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},
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tabEvent: function (doc, media) { // 增删标签页的对应状态
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var content = $(".con-tabs").width(),
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_view = this.view, _tab = this.tabWidth;
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if (content > this.view) {
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this.tabPosition(doc, _tab, "left", _view, content, media);
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this.btnView('visible');
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} else {
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this.btnView('hide');
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}
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if (this.currentView < _view || this.currentContent > content) {
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this.tabPosition(doc, _tab, "right", _view, content, media);
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}
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this.currentView = _view;
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this.currentContent = content;
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},
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tabPosition: function (doc, width, dir, view, content, media) { // 标签页的位移
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var self = this,
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x = doc.position().left,
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callback = function (x) {
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var flag = x + width;
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if (flag > 0) {
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self.relative = x;
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return 0;
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} else {
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return x;
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}
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};
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if (dir === "left") {
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if (x <= view - content) {
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return false;
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}
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if (typeof media !== 'undefined') {
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x = view - content;
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} else {
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x = this.relative !== 0 ? x - width + this.relative : x - width;
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this.relative = 0;
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}
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} else if (dir === "right") {
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if (x === 0) {
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return false;
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}
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if (typeof media !== 'undefined') {
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x = content <= view ? 0 : view - content;
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} else {
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x = callback(x + width);
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}
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}
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doc.animate({
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left: x
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}, 100);
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},
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_throttle: function (fn, interval) { // 函数节流操作
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var _fn = fn,
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timer,
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firstTime = true;
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return function () {
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var args = arguments,
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self = this;
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if (firstTime) {
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_fn.apply(self, args);
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firstTime = false;
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}
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if (timer) {
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return false;
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}
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timer = setTimeout(function () {
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clearTimeout(timer);
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timer = null;
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_fn.apply(self, args);
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}, interval || 500);
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};
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},
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closeTab: function ($item) {
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var checkedTabId = $item.children('a').attr('target'), $checked = '',
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$nextLi = $item.next('li'),
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$content = this.$content;
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if ($item.is('.active')) { // 关闭选中标签
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if ($nextLi.size() > 0) {
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$checked = $nextLi;
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} else {
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$checked = $item.prev('li');
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}
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$checked.addClass("active");
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this.enable($checked);
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this._checkoutTab($checked.find('a'));
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}
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$item.remove();
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$content.children('[name="' + checkedTabId + '"]').remove();
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this._updateSetting(checkedTabId);
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this.tabSize();
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this.tabEvent($(".con-tabs"), 'media');
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},
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btnView: function (status) { // 标签页左右移动按钮状态
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var $siteContabs = $('.site-contabs'),
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$contabsLeftBtn = $siteContabs.children('button.pull-left'),
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$contabsRightBtn = $siteContabs.find('.pull-right > button.btn-icon');
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if (status === 'visible') {
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$contabsLeftBtn.removeClass('hide');
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$contabsRightBtn.removeClass('hide');
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} else if (status === 'hide') {
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$contabsLeftBtn.addClass('hide');
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$contabsRightBtn.addClass('hide');
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}
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}
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};
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})(window, document, jQuery);
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