portfolio-website/project/static/js/jquery-scrolltofixed-min.js

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2022-07-07 05:16:46 +00:00
(function(a){a.isScrollToFixed=function(b){return !!a(b).data("ScrollToFixed")};a.ScrollToFixed=function(d,i){var l=this;l.$el=a(d);l.el=d;l.$el.data("ScrollToFixed",l);var c=false;var G=l.$el;var H;var E;var e;var y;var D=0;var q=0;var j=-1;var f=-1;var t=null;var z;var g;function u(){G.trigger("preUnfixed.ScrollToFixed");k();G.trigger("unfixed.ScrollToFixed");f=-1;D=G.offset().top;q=G.offset().left;if(l.options.offsets){q+=(G.offset().left-G.position().left)}if(j==-1){j=q}H=G.css("position");c=true;if(l.options.bottom!=-1){G.trigger("preFixed.ScrollToFixed");w();G.trigger("fixed.ScrollToFixed")}}function n(){var I=l.options.limit;if(!I){return 0}if(typeof(I)==="function"){return I.apply(G)}return I}function p(){return H==="fixed"}function x(){return H==="absolute"}function h(){return !(p()||x())}function w(){if(!p()){t.css({display:G.css("display"),width:G.outerWidth(true),height:G.outerHeight(true),"float":G.css("float")});cssOptions={"z-index":l.options.zIndex,position:"fixed",top:l.options.bottom==-1?s():"",bottom:l.options.bottom==-1?"":l.options.bottom,"margin-left":"0px"};if(!l.options.dontSetWidth){cssOptions.width=G.width()}G.css(cssOptions);G.addClass(l.options.baseClassName);if(l.options.className){G.addClass(l.options.className)}H="fixed"}}function b(){var J=n();var I=q;if(l.options.removeOffsets){I="";J=J-D}cssOptions={position:"absolute",top:J,left:I,"margin-left":"0px",bottom:""};if(!l.options.dontSetWidth){cssOptions.width=G.width()}G.css(cssOptions);H="absolute"}function k(){if(!h()){f=-1;t.css("display","none");G.css({"z-index":y,width:"",position:E,left:"",top:e,"margin-left":""});G.removeClass("scroll-to-fixed-fixed");if(l.options.className){G.removeClass(l.options.className)}H=null}}function v(I){if(I!=f){G.css("left",q-I);f=I}}function s(){var I=l.options.marginTop;if(!I){return 0}if(typeof(I)==="function"){return I.apply(G)}return I}function A(){if(!a.isScrollToFixed(G)){return}var K=c;if(!c){u()}else{if(h()){D=G.offset().top;q=G.offset().left}}var I=a(window).scrollLeft();var L=a(window).scrollTop();var J=n();if(l.options.minWidth&&a(window).width()<l.options.minWidth){if(!h()||!K){o();G.trigger("preUnfixed.ScrollToFixed");k();G.trigger("unfixed.ScrollToFixed")}}else{if(l.options.maxWidth&&a(window).width()>l.options.maxWidth){if(!h()||!K){o();G.trigger("preUnfixed.ScrollToFixed");k();G.trigger("unfixed.ScrollToFixed")}}else{if(l.options.bottom==-1){if(J>0&&L>=J-s()){if(!x()||!K){o();G.trigger("preAbsolute.ScrollToFixed");b();G.trigger("unfixed.ScrollToFixed")}}else{if(L>=D-s()){if(!p()||!K){o();G.trigger("preFixed.ScrollToFixed");w();f=-1;G.trigger("fixed.ScrollToFixed")}v(I)}else{if(!h()||!K){o();G.trigger("preUnfixed.ScrollToFixed");k();G.trigger("unfixed.ScrollToFixed")}}}}else{if(J>0){if(L+a(window).height()-G.outerHeight(true)>=J-(s()||-m())){if(p()){o();G.trigger("preUnfixed.ScrollToFixed");if(E==="absolute"){b()}else{k()}G.trigger("unfixed.ScrollToFixed")}}else{if(!p()){o();G.trigger("preFixed.ScrollToFixed");w()}v(I);G.trigger("fixed.ScrollToFixed")}}else{v(I)}}}}}function m(){if(!l.options.bottom){return 0}return l.options.bottom}function o(){var I=G.css("position");if(I=="absolute"){G.trigger("postAbsolute.ScrollToFixed")}else{if(I=="fixed"){G.trigger("postFixed.ScrollToFixed")}else{G.trigger("postUnfixed.ScrollToFixed")}}}var C=function(I){if(G.is(":visible")){c=false;A()}};var F=function(I){(!!window.requestAnimationFrame)?requestAnimationFrame(A):A()};var B=function(){var J=document.body;if(document.createElement&&J&&J.appendChild&&J.removeChild){var L=document.createElement("div");if(!L.getBoundingClientRect){return null}L.innerHTML="x";L.style.cssText="position:fixed;top:100px;";J.appendChild(L);var M=J.style.height,N=J.scrollTop;J.style.height="3000px";J.scrollTop=500;var I=L.getBoundingClientRect().top;J.style.height=M;var K=(I===100);J.removeChild(L);J.scrollTop=N;return K}return null};var r=function(I){I=I||window.event;if(I.preventDefault){I.preventDefault()}I.returnValue=false};l.init=function(){l.options=a.extend({},a.ScrollToFixed.defaultOptions,i);y=G.css("z-index");l.$e