Template:Team:Berkeley/scrollspy

From 2013.igem.org

(Difference between revisions)
(Created page with "<html> <script type="text/javascript"> /* ============================================================= * bootstrap-scrollspy.js v2.0.4 * http://twitter.github.com/bootstrap/j...")
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<script type="text/javascript">
<script type="text/javascript">
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/* ========================================================================
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* Bootstrap: scrollspy.js v3.0.0
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* http://twbs.github.com/bootstrap/javascript.html#scrollspy
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* ========================================================================
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* Copyright 2012 Twitter, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ======================================================================== */
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 +
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+function ($) { "use strict";
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 +
  // SCROLLSPY CLASS DEFINITION
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  // ==========================
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  function ScrollSpy(element, options) {
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    var href
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    var process  = $.proxy(this.process, this)
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    this.$element      = $(element).is('body') ? $(window) : $(element)
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    this.$body          = $('body')
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    this.$scrollElement = this.$element.on('scroll.bs.scroll-spy.data-api', process)
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    this.options        = $.extend({}, ScrollSpy.DEFAULTS, options)
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    this.selector      = (this.options.target
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      || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
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      || '') + ' .nav li > a'
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    this.offsets        = $([])
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    this.targets        = $([])
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    this.activeTarget  = null
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    this.refresh()
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    this.process()
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  }
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  ScrollSpy.DEFAULTS = {
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    offset: 10
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  }
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  ScrollSpy.prototype.refresh = function () {
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    var offsetMethod = this.$element[0] == window ? 'offset' : 'position'
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    this.offsets = $([])
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    this.targets = $([])
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    var self    = this
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    var $targets = this.$body
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      .find(this.selector)
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      .map(function () {
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        var $el  = $(this)
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        var href  = $el.data('target') || $el.attr('href')
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        var $href = /^#\w/.test(href) && $(href)
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        return ($href
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          && $href.length
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          && [[ $href[offsetMethod]().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]]) || null
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      })
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      .sort(function (a, b) { return a[0] - b[0] })
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      .each(function () {
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        self.offsets.push(this[0])
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        self.targets.push(this[1])
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      })
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  }
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  ScrollSpy.prototype.process = function () {
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    var scrollTop    = this.$scrollElement.scrollTop() + this.options.offset
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    var scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
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    var maxScroll    = scrollHeight - this.$scrollElement.height()
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    var offsets      = this.offsets
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    var targets      = this.targets
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    var activeTarget = this.activeTarget
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    var i
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    if (scrollTop >= maxScroll) {
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      return activeTarget != (i = targets.last()[0]) && this.activate(i)
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    }
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    for (i = offsets.length; i--;) {
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      activeTarget != targets[i]
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        && scrollTop >= offsets[i]
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        && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
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        && this.activate( targets[i] )
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    }
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  }
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  ScrollSpy.prototype.activate = function (target) {
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    this.activeTarget = target
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    $(this.selector)
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      .parents('.active')
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      .removeClass('active')
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 +
    var selector = this.selector
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      + '[data-target="' + target + '"],'
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      + this.selector + '[href="' + target + '"]'
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    var active = $(selector)
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      .parents('li')
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      .addClass('active')
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    if (active.parent('.dropdown-menu').length)  {
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      active = active
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        .closest('li.dropdown')
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        .addClass('active')
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    }
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    active.trigger('activate')
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  }
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 +
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  // SCROLLSPY PLUGIN DEFINITION
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  // ===========================
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 +
  var old = $.fn.scrollspy
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  $.fn.scrollspy = function (option) {
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    return this.each(function () {
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      var $this  = $(this)
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      var data    = $this.data('bs.scrollspy')
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      var options = typeof option == 'object' && option
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 +
      if (!data) $this.data('bs.scrollspy', (data = new ScrollSpy(this, options)))
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      if (typeof option == 'string') data[option]()
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    })
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  }
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  $.fn.scrollspy.Constructor = ScrollSpy
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 +
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  // SCROLLSPY NO CONFLICT
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  // =====================
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  $.fn.scrollspy.noConflict = function () {
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    $.fn.scrollspy = old
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    return this
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  }
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 +
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  // SCROLLSPY DATA-API
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  // ==================
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  $(window).on('load', function () {
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    $('[data-spy="scroll"]').each(function () {
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      var $spy = $(this)
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      $spy.scrollspy($spy.data())
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    })
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  })
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}(window.jQuery);
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 +
/* =============================================================
/* =============================================================
  * bootstrap-scrollspy.js v2.0.4
  * bootstrap-scrollspy.js v2.0.4

Revision as of 00:55, 22 October 2013

Retrieved from "http://2013.igem.org/Template:Team:Berkeley/scrollspy"