1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/bootstrap-source/bootstrap-3.0.3/js/scrollspy.js Fri Dec 20 22:49:16 2013 +0100
1.3 @@ -0,0 +1,158 @@
1.4 +/* ========================================================================
1.5 + * Bootstrap: scrollspy.js v3.0.3
1.6 + * http://getbootstrap.com/javascript/#scrollspy
1.7 + * ========================================================================
1.8 + * Copyright 2013 Twitter, Inc.
1.9 + *
1.10 + * Licensed under the Apache License, Version 2.0 (the "License");
1.11 + * you may not use this file except in compliance with the License.
1.12 + * You may obtain a copy of the License at
1.13 + *
1.14 + * http://www.apache.org/licenses/LICENSE-2.0
1.15 + *
1.16 + * Unless required by applicable law or agreed to in writing, software
1.17 + * distributed under the License is distributed on an "AS IS" BASIS,
1.18 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1.19 + * See the License for the specific language governing permissions and
1.20 + * limitations under the License.
1.21 + * ======================================================================== */
1.22 +
1.23 +
1.24 ++function ($) { "use strict";
1.25 +
1.26 + // SCROLLSPY CLASS DEFINITION
1.27 + // ==========================
1.28 +
1.29 + function ScrollSpy(element, options) {
1.30 + var href
1.31 + var process = $.proxy(this.process, this)
1.32 +
1.33 + this.$element = $(element).is('body') ? $(window) : $(element)
1.34 + this.$body = $('body')
1.35 + this.$scrollElement = this.$element.on('scroll.bs.scroll-spy.data-api', process)
1.36 + this.options = $.extend({}, ScrollSpy.DEFAULTS, options)
1.37 + this.selector = (this.options.target
1.38 + || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
1.39 + || '') + ' .nav li > a'
1.40 + this.offsets = $([])
1.41 + this.targets = $([])
1.42 + this.activeTarget = null
1.43 +
1.44 + this.refresh()
1.45 + this.process()
1.46 + }
1.47 +
1.48 + ScrollSpy.DEFAULTS = {
1.49 + offset: 10
1.50 + }
1.51 +
1.52 + ScrollSpy.prototype.refresh = function () {
1.53 + var offsetMethod = this.$element[0] == window ? 'offset' : 'position'
1.54 +
1.55 + this.offsets = $([])
1.56 + this.targets = $([])
1.57 +
1.58 + var self = this
1.59 + var $targets = this.$body
1.60 + .find(this.selector)
1.61 + .map(function () {
1.62 + var $el = $(this)
1.63 + var href = $el.data('target') || $el.attr('href')
1.64 + var $href = /^#\w/.test(href) && $(href)
1.65 +
1.66 + return ($href
1.67 + && $href.length
1.68 + && [[ $href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]]) || null
1.69 + })
1.70 + .sort(function (a, b) { return a[0] - b[0] })
1.71 + .each(function () {
1.72 + self.offsets.push(this[0])
1.73 + self.targets.push(this[1])
1.74 + })
1.75 + }
1.76 +
1.77 + ScrollSpy.prototype.process = function () {
1.78 + var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
1.79 + var scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
1.80 + var maxScroll = scrollHeight - this.$scrollElement.height()
1.81 + var offsets = this.offsets
1.82 + var targets = this.targets
1.83 + var activeTarget = this.activeTarget
1.84 + var i
1.85 +
1.86 + if (scrollTop >= maxScroll) {
1.87 + return activeTarget != (i = targets.last()[0]) && this.activate(i)
1.88 + }
1.89 +
1.90 + for (i = offsets.length; i--;) {
1.91 + activeTarget != targets[i]
1.92 + && scrollTop >= offsets[i]
1.93 + && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
1.94 + && this.activate( targets[i] )
1.95 + }
1.96 + }
1.97 +
1.98 + ScrollSpy.prototype.activate = function (target) {
1.99 + this.activeTarget = target
1.100 +
1.101 + $(this.selector)
1.102 + .parents('.active')
1.103 + .removeClass('active')
1.104 +
1.105 + var selector = this.selector
1.106 + + '[data-target="' + target + '"],'
1.107 + + this.selector + '[href="' + target + '"]'
1.108 +
1.109 + var active = $(selector)
1.110 + .parents('li')
1.111 + .addClass('active')
1.112 +
1.113 + if (active.parent('.dropdown-menu').length) {
1.114 + active = active
1.115 + .closest('li.dropdown')
1.116 + .addClass('active')
1.117 + }
1.118 +
1.119 + active.trigger('activate.bs.scrollspy')
1.120 + }
1.121 +
1.122 +
1.123 + // SCROLLSPY PLUGIN DEFINITION
1.124 + // ===========================
1.125 +
1.126 + var old = $.fn.scrollspy
1.127 +
1.128 + $.fn.scrollspy = function (option) {
1.129 + return this.each(function () {
1.130 + var $this = $(this)
1.131 + var data = $this.data('bs.scrollspy')
1.132 + var options = typeof option == 'object' && option
1.133 +
1.134 + if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options)))
1.135 + if (typeof option == 'string') data[option]()
1.136 + })
1.137 + }
1.138 +
1.139 + $.fn.scrollspy.Constructor = ScrollSpy
1.140 +
1.141 +
1.142 + // SCROLLSPY NO CONFLICT
1.143 + // =====================
1.144 +
1.145 + $.fn.scrollspy.noConflict = function () {
1.146 + $.fn.scrollspy = old
1.147 + return this
1.148 + }
1.149 +
1.150 +
1.151 + // SCROLLSPY DATA-API
1.152 + // ==================
1.153 +
1.154 + $(window).on('load', function () {
1.155 + $('[data-spy="scroll"]').each(function () {
1.156 + var $spy = $(this)
1.157 + $spy.scrollspy($spy.data())
1.158 + })
1.159 + })
1.160 +
1.161 +}(jQuery);