zui/src/js/tab.js

一个基于 Bootstrap 深度定制开源前端实践方案，帮助你快速构建现代跨屏应用。

/* ========================================================================
 * Bootstrap: tab.js v3.0.0
 * http://twbs.github.com/bootstrap/javascript.html#tabs
 *  
 * ZUI: The file has been changed in ZUI. It will not keep update with the
 * Bootsrap version in the future.
 * http://zui.sexy
 * ========================================================================
 * Copyright 2012 Twitter, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ======================================================================== */


+ function($) {
    'use strict';

    // TAB CLASS DEFINITION
    // ====================

    var zuiname = 'zui.tab'
    var Tab = function(element) {
        this.element = $(element)
    }

    Tab.prototype.show = function() {
        var $this = this.element
        var $ul = $this.closest('ul:not(.dropdown-menu)')
        var selector = $this.attr('data-target') || $this.attr('data-tab')

        if(!selector) {
            selector = $this.attr('href')
            selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
        }

        if($this.parent('li').hasClass('active')) return

        var previous = $ul.find('.active:last a')[0]
        var e = $.Event('show.' + zuiname, {
            relatedTarget: previous
        })

        $this.trigger(e)

        if(e.isDefaultPrevented()) return

        var $target = $(selector)

        this.activate($this.parent('li'), $ul)
        this.activate($target, $target.parent(), function() {
            $this.trigger({
                type: 'shown.' + zuiname,
                relatedTarget: previous
            })
        })
    }

    Tab.prototype.activate = function(element, container, callback) {
        var $active = container.find('> .active')
        var transition = callback && $.support.transition && $active.hasClass('fade')

        function next() {
            $active
                .removeClass('active')
                .find('> .dropdown-menu > .active')
                .removeClass('active')

            element.addClass('active')

            if(transition) {
                element[0].offsetWidth // reflow for transition
                element.addClass('in')
            } else {
                element.removeClass('fade')
            }

            if(element.parent('.dropdown-menu')) {
                element.closest('li.dropdown').addClass('active')
            }

            callback && callback()
        }

        transition ?
            $active
            .one($.support.transition.end, next)
            .emulateTransitionEnd(150) :
            next()

        $active.removeClass('in')
    }


    // TAB PLUGIN DEFINITION
    // =====================

    var old = $.fn.tab

    $.fn.tab = function(option) {
        return this.each(function() {
            var $this = $(this)
            var data = $this.data(zuiname)

            if(!data) $this.data(zuiname, (data = new Tab(this)))
            if(typeof option == 'string') data[option]()
        })
    }

    $.fn.tab.Constructor = Tab


    // TAB NO CONFLICT
    // ===============

    $.fn.tab.noConflict = function() {
        $.fn.tab = old
        return this
    }


    // TAB DATA-API
    // ============

    $(document).on('click.zui.tab.data-api', '[data-toggle="tab"], [data-tab]', function(e) {
        e.preventDefault()
        $(this).tab('show')
    })

}(window.jQuery);