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author | Prashant S | 2019-07-26 11:21:31 +0530 |
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committer | GitHub | 2019-07-26 11:21:31 +0530 |
commit | bfb41f58674f7c24bd41e6e6891f0773c3706ddc (patch) | |
tree | a407e9cac3242db67394711596835982160b0eaa /bootstrap/fonts/js/affix.js | |
parent | e5a79b1f0f70eb0bc413c5b85139617dbe84b07d (diff) | |
parent | 17bc989bd924aa4682807cf7920abb8558da0006 (diff) | |
download | fossee_istos-master.tar.gz fossee_istos-master.tar.bz2 fossee_istos-master.zip |
internship work for new theme for drupal-8.x
Diffstat (limited to 'bootstrap/fonts/js/affix.js')
-rwxr-xr-x | bootstrap/fonts/js/affix.js | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/bootstrap/fonts/js/affix.js b/bootstrap/fonts/js/affix.js new file mode 100755 index 0000000..ad62904 --- /dev/null +++ b/bootstrap/fonts/js/affix.js @@ -0,0 +1,164 @@ +/* ======================================================================== + * Bootstrap: affix.js v3.4.1 + * https://getbootstrap.com/docs/3.4/javascript/#affix + * ======================================================================== + * Copyright 2011-2019 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) + + var target = this.options.target === Affix.DEFAULTS.target ? $(this.options.target) : $(document).find(this.options.target) + + this.$target = target + .on('scroll.bs.affix.data-api', $.proxy(this.checkPosition, this)) + .on('click.bs.affix.data-api', $.proxy(this.checkPositionWithEventLoop, this)) + + this.$element = $(element) + this.affixed = null + this.unpin = null + this.pinnedOffset = null + + this.checkPosition() + } + + Affix.VERSION = '3.4.1' + + Affix.RESET = 'affix affix-top affix-bottom' + + Affix.DEFAULTS = { + offset: 0, + target: window + } + + Affix.prototype.getState = function (scrollHeight, height, offsetTop, offsetBottom) { + var scrollTop = this.$target.scrollTop() + var position = this.$element.offset() + var targetHeight = this.$target.height() + + if (offsetTop != null && this.affixed == 'top') return scrollTop < offsetTop ? 'top' : false + + if (this.affixed == 'bottom') { + if (offsetTop != null) return (scrollTop + this.unpin <= position.top) ? false : 'bottom' + return (scrollTop + targetHeight <= scrollHeight - offsetBottom) ? false : 'bottom' + } + + var initializing = this.affixed == null + var colliderTop = initializing ? scrollTop : position.top + var colliderHeight = initializing ? targetHeight : height + + if (offsetTop != null && scrollTop <= offsetTop) return 'top' + if (offsetBottom != null && (colliderTop + colliderHeight >= scrollHeight - offsetBottom)) return 'bottom' + + return false + } + + Affix.prototype.getPinnedOffset = function () { + if (this.pinnedOffset) return this.pinnedOffset + this.$element.removeClass(Affix.RESET).addClass('affix') + var scrollTop = this.$target.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.$element.is(':visible')) return + + var height = this.$element.height() + var offset = this.options.offset + var offsetTop = offset.top + var offsetBottom = offset.bottom + var scrollHeight = Math.max($(document).height(), $(document.body).height()) + + if (typeof offset != 'object') offsetBottom = offsetTop = offset + if (typeof offsetTop == 'function') offsetTop = offset.top(this.$element) + if (typeof offsetBottom == 'function') offsetBottom = offset.bottom(this.$element) + + var affix = this.getState(scrollHeight, height, offsetTop, offsetBottom) + + if (this.affixed != affix) { + if (this.unpin != null) this.$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.$element + .removeClass(Affix.RESET) + .addClass(affixType) + .trigger(affixType.replace('affix', 'affixed') + '.bs.affix') + } + + if (affix == 'bottom') { + this.$element.offset({ + top: scrollHeight - height - offsetBottom + }) + } + } + + + // AFFIX PLUGIN DEFINITION + // ======================= + + function Plugin(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]() + }) + } + + var old = $.fn.affix + + $.fn.affix = Plugin + $.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 = $spy.data() + + data.offset = data.offset || {} + + if (data.offsetBottom != null) data.offset.bottom = data.offsetBottom + if (data.offsetTop != null) data.offset.top = data.offsetTop + + Plugin.call($spy, data) + }) + }) + +}(jQuery); |