/*
 # -----------------------------------------------------------------------------
 # ~/assets/themes/j1/modules/j1Scroll/js/j1scroll.min.js
 # J1 core module for j1scroll
 #
 # Product/Info:
 # https://jekyll.one
 #
 # Copyright (C) 2021 Juergen Adams
 #
 # J1 Template is licensed under the MIT License.
 # For details, see https://jekyll.one
 # -----------------------------------------------------------------------------
*/
(function(e,c,a,g){var d="j1Scroll",f={type:"infiniteScroll",scrollOffset:100,elementScroll:false,firstPage:2,lastPage:false,infoLastPage:false,loadStatus:false,onInit:function(){},onBeforeLoad:function(){},onAfterLoad:function(){}};function b(i,h){this.element=i;this.settings=e.extend({},f,h);this.settings.elementID="#"+this.element.id;this.init(this.settings)}e.extend(b.prototype,{init:function(i){var h=log4javascript.getLogger("j1Scroll");h.info("\ninitializing plugin: started");h.info("\nstate: started");if(i.elementScroll){this.scroller=this.element}else{this.scroller=c}if(i.loadStatus){var k='<div class="loader-ellips" style="display: none"> <span class="loader-ellips__dot"></span> <span class="loader-ellips__dot"></span> <span class="loader-ellips__dot"></span> <span class="loader-ellips__dot"></span> </div>';e(k).insertAfter(i.elementID)}if(i.infoLastPage){var j=i.lastPageInfo;e(j).insertAfter(i.elementID)}if(i.type==="infiniteScroll"){h.info("\nprocessing mode: infiniteScroll");h.info("\nloading items from path: "+i.path+"#void");h.info("\nmonitoring element set to: "+this.scroller);this.registerScrollEvent(i)}h.info("\ninitializing plugin: finished");h.info("\nstate: finished")},isBottomReached:function(s){var n=this;var h,p;var m=e(s.elementID).height();if(n.settings.elementScroll){var j=e(c);var r=j.scrollTop();var i=j.height();var l=r+i-s.scrollOffset;var k=e(s.elementID);var o=k.offset().top+m;var q=k.height();h=o+q;return(o>=r&&o<l)||(h>r&&h<=l)||(q>i&&o<=r&&h>=l)}else{return(c.innerHeight+c.pageYOffset+s.scrollOffset>=a.body.offsetHeight)}},registerScrollEvent:function(i){var k=this;var h=log4javascript.getLogger("j1Scroll");h.info("\nscroll event: register");var j=function(m){var l=k.settings;if(k.isBottomReached(l)){if(l.firstPage>l.lastPage){h.info("\nlast page detected on: "+l.lastPage);c.removeEventListener("scroll",j);h.info("\nscroll event: removed");if(l.infoLastPage){k.infoLastPage(l)}return false}k.getNewPost(l)}};c.addEventListener("scroll",j);h.info("\nscroll event: registered")},getNewPost:function(i){var k=this;var h=log4javascript.getLogger("j1Scroll");h.info("\ntrigger loading ");if(this.itemsLoaded===false){return false}this.itemsLoaded=false;if(i.loadStatus){h.info("\nshow: spinner");e(".loader-ellips").show()}var j=new XMLHttpRequest();j.onreadystatechange=function(){if(j.readyState==XMLHttpRequest.DONE){if(j.status==200){i.firstPage++;var l=k.getChildItemsByAjaxHTML(i,j.responseText);k.appendNewItems(l);h.info("\nloading new items: successful");if(i.loadStatus){h.info("\nhide: spinner");e(".loader-ellips").hide()}k.itemsLoaded=true}else{if(i.loadStatus){h.info("\nhide: spinner");e(".loader-ellips").hide()}h.error("\nloading new items failed, HTTP response: "+j.status);k.itemsLoaded=false}}};h.info("\nloading new items from path: "+i.path+i.firstPage);j.open("GET",location.origin+i.path+i.firstPage+"/index.html",true);j.send()},getChildItemsByAjaxHTML:function(j,i){var l=a.createElement("html");var h=log4javascript.getLogger("j1Scroll");h.info("\nload new items");l.innerHTML=i;var k=l.querySelectorAll(j.elementID+" > *");return k},appendNewItems:function(h){var l=this;var i=log4javascript.getLogger("j1Scroll");var k=j1.getCookieNames();var j=j1.readCookie(k.user_translate);i.info("\nappend new items");h.forEach(function(m){l.element.appendChild(m)});if(j.translationEnabled){i.info("\ntranslation enabled: "+j.translationEnabled);i.warn("\nskipped processing of dropcaps")}else{i.info("\npost processing: createDropCap");j1.core.createDropCap()}},infoLastPage:function(i){var j=this;var h=log4javascript.getLogger("j1Scroll");h.info("\nshow: infoLastPage");e(".page-scroll-last").show()}});e.fn[d]=function(h){return this.each(function(){if(!e.data(this,"plugin_"+d)){e.data(this,"plugin_"+d,new b(this,h))}})}})(jQuery,window,document);