Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
bd0393c
commit 3af7273
Showing
3 changed files
with
218 additions
and
41 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| !function ($) { | ||
|
|
||
| "use strict"; // jshint ;_; | ||
|
|
||
|
|
||
| /* SCROLLSPY CLASS DEFINITION | ||
| * ========================== */ | ||
|
|
||
| function ScrollSpy(element, options) { | ||
| var process = $.proxy(this.process, this) | ||
| , $element = $(element).is('body') ? $(window) : $(element) | ||
| , href | ||
| this.options = $.extend({}, $.fn.scrollspy.defaults, options) | ||
| this.$scrollElement = $element.on('scroll.scroll-spy.data-api', process) | ||
| this.selector = (this.options.target | ||
| || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7 | ||
| || '') + ' .nav li > a' | ||
| this.$body = $('body') | ||
| this.refresh() | ||
| this.process() | ||
| } | ||
|
|
||
| ScrollSpy.prototype = { | ||
|
|
||
| constructor: ScrollSpy | ||
|
|
||
| , refresh: function () { | ||
| var self = this | ||
| , $targets | ||
|
|
||
| this.offsets = $([]) | ||
| this.targets = $([]) | ||
|
|
||
| $targets = this.$body | ||
| .find(this.selector) | ||
| .map(function () { | ||
| var $el = $(this) | ||
| , href = $el.data('target') || $el.attr('href') | ||
| , $href = /^#\w/.test(href) && $(href) | ||
| return ( $href | ||
| && $href.length | ||
| && [[ $href.position().top + self.$scrollElement.scrollTop(), href ]] ) || null | ||
| }) | ||
| .sort(function (a, b) { return a[0] - b[0] }) | ||
| .each(function () { | ||
| self.offsets.push(this[0]) | ||
| self.targets.push(this[1]) | ||
| }) | ||
| } | ||
|
|
||
| , process: function () { | ||
| var scrollTop = this.$scrollElement.scrollTop() + this.options.offset | ||
| , scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight | ||
| , maxScroll = scrollHeight - this.$scrollElement.height() | ||
| , offsets = this.offsets | ||
| , targets = this.targets | ||
| , activeTarget = this.activeTarget | ||
| , i | ||
|
|
||
| if (scrollTop >= maxScroll) { | ||
| return activeTarget != (i = targets.last()[0]) | ||
| && this.activate ( i ) | ||
| } | ||
|
|
||
| for (i = offsets.length; i--;) { | ||
| activeTarget != targets[i] | ||
| && scrollTop >= offsets[i] | ||
| && (!offsets[i + 1] || scrollTop <= offsets[i + 1]) | ||
| && this.activate( targets[i] ) | ||
| } | ||
| } | ||
|
|
||
| , activate: function (target) { | ||
| var active | ||
| , selector | ||
|
|
||
| this.activeTarget = target | ||
|
|
||
| $(this.selector) | ||
| .parent('.active') | ||
| .removeClass('active') | ||
|
|
||
| selector = this.selector | ||
| + '[data-target="' + target + '"],' | ||
| + this.selector + '[href="' + target + '"]' | ||
|
|
||
| active = $(selector) | ||
| .parent('li') | ||
| .addClass('active') | ||
|
|
||
| if (active.parent('.dropdown-menu').length) { | ||
| active = active.closest('li.dropdown').addClass('active') | ||
| } | ||
|
|
||
| active.trigger('activate') | ||
| } | ||
|
|
||
| } | ||
|
|
||
|
|
||
| /* SCROLLSPY PLUGIN DEFINITION | ||
| * =========================== */ | ||
|
|
||
| var old = $.fn.scrollspy | ||
|
|
||
| $.fn.scrollspy = function (option) { | ||
| return this.each(function () { | ||
| var $this = $(this) | ||
| , data = $this.data('scrollspy') | ||
| , options = typeof option == 'object' && option | ||
| if (!data) $this.data('scrollspy', (data = new ScrollSpy(this, options))) | ||
| if (typeof option == 'string') data[option]() | ||
| }) | ||
| } | ||
|
|
||
| $.fn.scrollspy.Constructor = ScrollSpy | ||
|
|
||
| $.fn.scrollspy.defaults = { | ||
| offset: 10 | ||
| } | ||
|
|
||
|
|
||
| /* SCROLLSPY NO CONFLICT | ||
| * ===================== */ | ||
|
|
||
| $.fn.scrollspy.noConflict = function () { | ||
| $.fn.scrollspy = old | ||
| return this | ||
| } | ||
|
|
||
|
|
||
| /* SCROLLSPY DATA-API | ||
| * ================== */ | ||
|
|
||
| $(window).on('load', function () { | ||
| $('[data-spy="scroll"]').each(function () { | ||
| var $spy = $(this); | ||
| console.log($spy.data()) | ||
| $spy.scrollspy($spy.data()) | ||
| }) | ||
| }) | ||
|
|
||
| }(window.jQuery); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters