You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1 line
3.3 KiB
1 line
3.3 KiB
(function(a){if(typeof define==="function"&&define.amd){define(["jquery"],a)}else{if(typeof module==="object"&&module.exports){module.exports=a(require("jquery"))}else{a(jQuery)}}}(function(g){var i=Array.prototype.slice;var d=Array.prototype.splice;var f={topSpacing:0,bottomSpacing:0,className:"is-sticky",wrapperClassName:"sticky-wrapper",center:false,getWidthFrom:"",widthFromWrapper:true,responsiveWidth:false},b=g(window),e=g(document),k=[],a=b.height(),h=function(){var m=b.scrollTop(),w=e.height(),v=w-a,o=(m>v)?v-m:0;for(var r=0,p=k.length;r<p;r++){var x=k[r],n=x.stickyWrapper.offset().top,t=n-x.topSpacing-o;x.stickyWrapper.css("height",x.stickyElement.outerHeight());if(m<=t){if(x.currentTop!==null){x.stickyElement.css({width:"",position:"",top:""});x.stickyElement.parent().removeClass(x.className);x.stickyElement.trigger("sticky-end",[x]);x.currentTop=null}}else{var u=w-x.stickyElement.outerHeight()-x.topSpacing-x.bottomSpacing-m-o;if(u<0){u=u+x.topSpacing}else{u=x.topSpacing}if(x.currentTop!==u){var q;if(x.getWidthFrom){q=g(x.getWidthFrom).width()||null}else{if(x.widthFromWrapper){q=x.stickyWrapper.width()}}if(q==null){q=x.stickyElement.width()}x.stickyElement.css("width",q).css("position","fixed").css("top",u);x.stickyElement.parent().addClass(x.className);if(x.currentTop===null){x.stickyElement.trigger("sticky-start",[x])}else{x.stickyElement.trigger("sticky-update",[x])}if(x.currentTop===x.topSpacing&&x.currentTop>u||x.currentTop===null&&u<x.topSpacing){x.stickyElement.trigger("sticky-bottom-reached",[x])}else{if(x.currentTop!==null&&u===x.topSpacing&&x.currentTop<u){x.stickyElement.trigger("sticky-bottom-unreached",[x])}}x.currentTop=u}}}},j=function(){a=b.height();for(var n=0,m=k.length;n<m;n++){var o=k[n];var p=null;if(o.getWidthFrom){if(o.responsiveWidth){p=g(o.getWidthFrom).width()}}else{if(o.widthFromWrapper){p=o.stickyWrapper.width()}}if(p!=null){o.stickyElement.css("width",p)}}},c={init:function(l){var m=g.extend({},f,l);return this.each(function(){var o=g(this);var p=o.attr("id");var n=o.outerHeight();var r=p?p+"-"+f.wrapperClassName:f.wrapperClassName;var s=g("<div></div>").attr("id",r).addClass(m.wrapperClassName);o.wrapAll(s);var q=o.parent();if(m.center){q.css({width:o.outerWidth(),marginLeft:"auto",marginRight:"auto"})}if(o.css("float")==="right"){o.css({"float":"none"}).parent().css({"float":"right"})}q.css("height",n);m.stickyElement=o;m.stickyWrapper=q;m.currentTop=null;k.push(m)})},update:h,unstick:function(l){return this.each(function(){var p=this;var n=g(p);var m=-1;var o=k.length;while(o-->0){if(k[o].stickyElement.get(0)===p){d.call(k,o,1);m=o}}if(m!==-1){n.unwrap();n.css({width:"",position:"",top:"","float":""})}})}};if(window.addEventListener){window.addEventListener("scroll",h,false);window.addEventListener("resize",j,false)}else{if(window.attachEvent){window.attachEvent("onscroll",h);window.attachEvent("onresize",j)}}g.fn.sticky=function(l){if(c[l]){return c[l].apply(this,i.call(arguments,1))}else{if(typeof l==="object"||!l){return c.init.apply(this,arguments)}else{g.error("Method "+l+" does not exist on jQuery.sticky")}}};g.fn.unstick=function(l){if(c[l]){return c[l].apply(this,i.call(arguments,1))}else{if(typeof l==="object"||!l){return c.unstick.apply(this,arguments)}else{g.error("Method "+l+" does not exist on jQuery.sticky")}}};g(function(){setTimeout(h,0)})})); |