/* ========================================================================
 * Bootstrap: alert.js v3.0.0
 * http://twbs.github.com/bootstrap/javascript.html#alerts
 * ========================================================================
 * Copyright 2013 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.
 *
 * ZUI: The file has been changed in ZUI. It will not keep update with the
 * Bootsrap version in the future.
 * http://zui.sexy
 * ======================================================================== */


+ function($) {
    'use strict';

    // ALERT CLASS DEFINITION
    // ======================

    var dismiss = '[data-dismiss="alert"]'
    var zuiname = 'zui.alert';

    var Alert = function(el) {
        $(el).on('click', dismiss, this.close)
    }

    Alert.prototype.close = function(e) {
        var $this = $(this)
        var selector = $this.attr('data-target')

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

        var $parent = $(selector)

        if(e) e.preventDefault()

        if(!$parent.length) {
            $parent = $this.hasClass('alert') ? $this : $this.parent()
        }

        $parent.trigger(e = $.Event('close.' + zuiname))

        if(e.isDefaultPrevented()) return

        $parent.removeClass('in')

        function removeElement() {
            $parent.trigger('closed.' + zuiname).remove()
        }

        $.support.transition && $parent.hasClass('fade') ?
            $parent
            .one($.support.transition.end, removeElement)
            .emulateTransitionEnd(150) :
            removeElement()
    }


    // ALERT PLUGIN DEFINITION
    // =======================

    var old = $.fn.alert

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

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

    $.fn.alert.Constructor = Alert


    // ALERT NO CONFLICT
    // =================

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


    // ALERT DATA-API
    // ==============

    $(document).on('click.' + zuiname + '.data-api', dismiss, Alert.prototype.close)

}(window.jQuery);
