| /base/000_base/node_modules/bootstrap-validator/sandbox/bootstrap/js/affix.js |
|---|
| @@ -0,0 +1,137 @@ |
|---|
| /* ======================================================================== |
| * Bootstrap: affix.js v3.1.1 |
| * http://getbootstrap.com/javascript/#affix |
| * ======================================================================== |
| * Copyright 2011-2014 Twitter, Inc. |
| * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) |
| * ======================================================================== */ |
| |
| |
| +function ($) { |
| 'use strict'; |
| |
| // AFFIX CLASS DEFINITION |
| // ====================== |
| |
| var Affix = function (element, options) { |
| this.options = $.extend({}, Affix.DEFAULTS, options) |
| this.$window = $(window) |
| .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this)) |
| .on('click.bs.affix.data-api', $.proxy(this.checkPositionWithEventLoop, this)) |
| |
| this.$element = $(element) |
| this.affixed = |
| this.unpin = |
| this.pinnedOffset = null |
| |
| this.checkPosition() |
| } |
| |
| Affix.RESET = 'affix affix-top affix-bottom' |
| |
| Affix.DEFAULTS = { |
| offset: 0 |
| } |
| |
| Affix.prototype.getPinnedOffset = function () { |
| if (this.pinnedOffset) return this.pinnedOffset |
| this.$element.removeClass(Affix.RESET).addClass('affix') |
| var scrollTop = this.$window.scrollTop() |
| var position = this.$element.offset() |
| return (this.pinnedOffset = position.top - scrollTop) |
| } |
| |
| Affix.prototype.checkPositionWithEventLoop = function () { |
| setTimeout($.proxy(this.checkPosition, this), 1) |
| } |
| |
| Affix.prototype.checkPosition = function () { |
| if (!this.$element.is(':visible')) return |
| |
| var scrollHeight = $(document).height() |
| var scrollTop = this.$window.scrollTop() |
| var position = this.$element.offset() |
| var offset = this.options.offset |
| var offsetTop = offset.top |
| var offsetBottom = offset.bottom |
| |
| if (this.affixed == 'top') position.top += scrollTop |
| |
| if (typeof offset != 'object') offsetBottom = offsetTop = offset |
| if (typeof offsetTop == 'function') offsetTop = offset.top(this.$element) |
| if (typeof offsetBottom == 'function') offsetBottom = offset.bottom(this.$element) |
| |
| var affix = this.unpin != null && (scrollTop + this.unpin <= position.top) ? false : |
| offsetBottom != null && (position.top + this.$element.height() >= scrollHeight - offsetBottom) ? 'bottom' : |
| offsetTop != null && (scrollTop <= offsetTop) ? 'top' : false |
| |
| if (this.affixed === affix) return |
| if (this.unpin) this.$element.css('top', '') |
| |
| var affixType = 'affix' + (affix ? '-' + affix : '') |
| var e = $.Event(affixType + '.bs.affix') |
| |
| this.$element.trigger(e) |
| |
| if (e.isDefaultPrevented()) return |
| |
| this.affixed = affix |
| this.unpin = affix == 'bottom' ? this.getPinnedOffset() : null |
| |
| this.$element |
| .removeClass(Affix.RESET) |
| .addClass(affixType) |
| .trigger($.Event(affixType.replace('affix', 'affixed'))) |
| |
| if (affix == 'bottom') { |
| this.$element.offset({ top: scrollHeight - offsetBottom - this.$element.height() }) |
| } |
| } |
| |
| |
| // AFFIX PLUGIN DEFINITION |
| // ======================= |
| |
| var old = $.fn.affix |
| |
| $.fn.affix = function (option) { |
| return this.each(function () { |
| var $this = $(this) |
| var data = $this.data('bs.affix') |
| var options = typeof option == 'object' && option |
| |
| if (!data) $this.data('bs.affix', (data = new Affix(this, options))) |
| if (typeof option == 'string') data[option]() |
| }) |
| } |
| |
| $.fn.affix.Constructor = Affix |
| |
| |
| // AFFIX NO CONFLICT |
| // ================= |
| |
| $.fn.affix.noConflict = function () { |
| $.fn.affix = old |
| return this |
| } |
| |
| |
| // AFFIX DATA-API |
| // ============== |
| |
| $(window).on('load', function () { |
| $('[data-spy="affix"]').each(function () { |
| var $spy = $(this) |
| var data = $spy.data() |
| |
| data.offset = data.offset || {} |
| |
| if (data.offsetBottom) data.offset.bottom = data.offsetBottom |
| if (data.offsetTop) data.offset.top = data.offsetTop |
| |
| $spy.affix(data) |
| }) |
| }) |
| |
| }(jQuery); |
