Koha/koha-tmpl/opac-tmpl/lib/hc-sticky.js

/*!
 * HC-Sticky
 * =========
 * Version: 2.2.3
 * Author: Some Web Media
 * Author URL: http://somewebmedia.com
 * Plugin URL: https://github.com/somewebmedia/hc-sticky
 * Description: Cross-browser plugin that makes any element on your page visible while you scroll
 * License: MIT
 */
!function(t,e){"use strict";if("object"==typeof module&&"object"==typeof module.exports){if(!t.document)throw new Error("HC-Sticky requires a browser to run.");module.exports=e(t)}else"function"==typeof define&&define.amd?define("hcSticky",[],e(t)):e(t)}("undefined"!=typeof window?window:this,function(U){"use strict";var Y={top:0,bottom:0,bottomEnd:0,innerTop:0,innerSticker:null,stickyClass:"sticky",stickTo:null,followScroll:!0,responsive:null,mobileFirst:!1,onStart:null,onStop:null,onBeforeResize:null,onResize:null,resizeDebounce:100,disable:!1,queries:null,queryFlow:"down"},$=function(t,e,o){console.log("%c! HC Sticky:%c "+t+"%c "+o+" is now deprecated and will be removed. Use%c "+e+"%c instead.","color: red","color: darkviolet","color: black","color: darkviolet","color: black")},Q=U.document,X=function(n,f){var o=this;if("string"==typeof n&&(n=Q.querySelector(n)),!n)return!1;f.queries&&$("queries","responsive","option"),f.queryFlow&&$("queryFlow","mobileFirst","option");var p={},d=X.Helpers,s=n.parentNode;"static"===d.getStyle(s,"position")&&(s.style.position="relative");var u=function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};d.isEmptyObject(t)&&!d.isEmptyObject(p)||(p=Object.assign({},Y,p,t))},t=function(){return p.disable},e=function(){var t,e=p.responsive||p.queries;if(e){var o=U.innerWidth;if(t=f,(p=Object.assign({},Y,t||{})).mobileFirst)for(var i in e)i<=o&&!d.isEmptyObject(e[i])&&u(e[i]);else{var n=[];for(var s in e){var r={};r[s]=e[s],n.push(r)}for(var l=n.length-1;0<=l;l--){var a=n[l],c=Object.keys(a)[0];o<=c&&!d.isEmptyObject(a[c])&&u(a[c])}}}},r={css:{},position:null,stick:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};d.hasClass(n,p.stickyClass)||(!1===l.isAttached&&l.attach(),r.position="fixed",n.style.position="fixed",n.style.left=l.offsetLeft+"px",n.style.width=l.width,void 0===t.bottom?n.style.bottom="auto":n.style.bottom=t.bottom+"px",void 0===t.top?n.style.top="auto":n.style.top=t.top+"px",n.classList?n.classList.add(p.stickyClass):n.className+=" "+p.stickyClass,p.onStart&&p.onStart.call(n,Object.assign({},p)))},release:function(){var t=0<arguments.length&&void 0!==arguments[0]?arguments[0]:{};if(t.stop=t.stop||!1,!0===t.stop||"fixed"===r.position||null===r.position||!(void 0===t.top&&void 0===t.bottom||void 0!==t.top&&(parseInt(d.getStyle(n,"top"))||0)===t.top||void 0!==t.bottom&&(parseInt(d.getStyle(n,"bottom"))||0)===t.bottom)){!0===t.stop?!0===l.isAttached&&l.detach():!1===l.isAttached&&l.attach();var e=t.position||r.css.position;r.position=e,n.style.position=e,n.style.left=!0===t.stop?r.css.left:l.positionLeft+"px",n.style.width="absolute"!==e?r.css.width:l.width,void 0===t.bottom?n.style.bottom=!0===t.stop?"":"auto":n.style.bottom=t.bottom+"px",void 0===t.top?n.style.top=!0===t.stop?"":"auto":n.style.top=t.top+"px",n.classList?n.classList.remove(p.stickyClass):n.className=n.className.replace(new RegExp("(^|\\b)"+p.stickyClass.split(" ").join("|")+"(\\b|$)","gi")," "),p.onStop&&p.onStop.call(n,Object.assign({},p))}}},l={el:Q.createElement("div"),offsetLeft:null,positionLeft:null,width:null,isAttached:!1,init:function(){for(var t in l.el.className="sticky-spacer",r.css)l.el.style[t]=r.css[t];l.el.style["z-index"]="-1";var e=d.getStyle(n);l.offsetLeft=d.offset(n).left-(parseInt(e.marginLeft)||0),l.positionLeft=d.position(n).left,l.width=d.getStyle(n,"width")},attach:function(){s.insertBefore(l.el,n),l.isAttached=!0},detach:function(){l.el=s.removeChild(l.el),l.isAttached=!1}},a=void 0,c=void 0,g=void 0,m=void 0,h=void 0,v=void 0,y=void 0,b=void 0,S=void 0,w=void 0,k=void 0,E=void 0,x=void 0,L=void 0,T=void 0,j=void 0,O=void 0,C=void 0,i=function(){var t,e,o,i;r.css=(t=n,e=d.getCascadedStyle(t),o=d.getStyle(t),i={height:t.offsetHeight+"px",left:e.left,right:e.right,top:e.top,bottom:e.bottom,position:o.position,display:o.display,verticalAlign:o.verticalAlign,boxSizing:o.boxSizing,marginLeft:e.marginLeft,marginRight:e.marginRight,marginTop:e.marginTop,marginBottom:e.marginBottom,paddingLeft:e.paddingLeft,paddingRight:e.paddingRight},e.float&&(i.float=e.float||"none"),e.cssFloat&&(i.cssFloat=e.cssFloat||"none"),o.MozBoxSizing&&(i.MozBoxSizing=o.MozBoxSizing),i.width="auto"!==e.width?e.width:"border-box"===i.boxSizing||"border-box"===i.MozBoxSizing?t.offsetWidth+"px":o.width,i),l.init(),a=!(!p.stickTo||!("document"===p.stickTo||p.stickTo.nodeType&&9===p.stickTo.nodeType||"object"==typeof p.stickTo&&p.stickTo instanceof("undefined"!=typeof HTMLDocument?HTMLDocument:Document))),c=p.stickTo?a?Q:"string"==typeof p.stickTo?Q.querySelector(p.stickTo):p.stickTo:s,T=(C=function(){var t=n.offsetHeight+(parseInt(r.css.marginTop)||0)+(parseInt(r.css.marginBottom)||0),e=(T||0)-t;return-1<=e&&e<=1?T:t})(),m=(O=function(){return a?Math.max(Q.documentElement.clientHeight,Q.body.scrollHeight,Q.documentElement.scrollHeight,Q.body.offsetHeight,Q.documentElement.offsetHeight):c.offsetHeight})(),h=a?0:d.offset(c).top,v=p.stickTo?a?0:d.offset(s).top:h,y=U.innerHeight,j=n.offsetTop-(parseInt(r.css.marginTop)||0),g=p.innerSticker?"string"==typeof p.innerSticker?Q.querySelector(p.innerSticker):p.innerSticker:null,b=isNaN(p.top)&&-1<p.top.indexOf("%")?parseFloat(p.top)/100*y:p.top,S=isNaN(p.bottom)&&-1<p.bottom.indexOf("%")?parseFloat(p.bottom)/100*y:p.bottom,w=g?g.offsetTop:p.innerTop?p.innerTop:0,k=isNaN(p.bottomEnd)&&-1<p.bottomEnd.indexOf("%")?parseFloat(p.bottomEnd)/100*y:p.bottomEnd,E=h-b+w+j},z=U.pageYOffset||Q.documentElement.scrollTop,N=0,H=void 0,R=function(){T=C(),m=O(),x=h+m-b-k,L=y<T;var t=U.pageYOffset||Q.documentElement.scrollTop,e=d.offset(n).top,o=e-t,i=void 0;H=t<z?"up":"down",N=t-z,E<(z=t)?x+b+(L?S:0)-(p.followScroll&&L?0:b)<=t+T-w-(y-(E-w)<T-w&&p.followScroll&&0<(i=T-y-w)?i:0)?r.release({position:"absolute",bottom:v+s.offsetHeight-x-b}):L&&p.followScroll?"down"===H?o+T+S<=y+.9?r.stick({bottom:S}):"fixed"===r.position&&r.release({position:"absolute",top:e-b-E-N+w}):Math.ceil(o+w)<0&&"fixed"===r.position?r.release({position:"absolute",top:e-b-E+w-N}):t+b-w<=e&&r.stick({top:b-w}):r.stick({top:b-w}):r.release({stop:!0})},A=!1,B=!1,I=function(){A&&(d.event.unbind(U,"scroll",R),A=!1)},q=function(){null!==n.offsetParent&&"none"!==d.getStyle(n,"display")?(i(),m<=T?I():(R(),A||(d.event.bind(U,"scroll",R),A=!0))):I()},F=function(){n.style.position="",n.style.left="",n.style.top="",n.style.bottom="",n.style.width="",n.classList?n.classList.remove(p.stickyClass):n.className=n.className.replace(new RegExp("(^|\\b)"+p.stickyClass.split(" ").join("|")+"(\\b|$)","gi")," "),r.css={},!(r.position=null)===l.isAttached&&l.detach()},M=function(){F(),e(),t()?I():q()},D=function(){p.onBeforeResize&&p.onBeforeResize.call(n,Object.assign({},p)),M(),p.onResize&&p.onResize.call(n,Object.assign({},p))},P=p.resizeDebounce?d.debounce(D,p.resizeDebounce):D,W=function(){B&&(d.event.unbind(U,"resize",P),B=!1),I()},V=function(){B||(d.event.bind(U,"resize",P),B=!0),e(),t()?I():q()};this.options=function(t){return t?p[t]:Object.assign({},p)},this.refresh=M,this.update=function(t){u(t),f=Object.assign({},f,t||{}),M()},this.attach=V,this.detach=W,this.destroy=function(){W(),F()},this.triggerMethod=function(t,e){"function"==typeof o[t]&&o[t](e)},this.reinit=function(){$("reinit","refresh","method"),M()},u(f),V(),d.event.bind(U,"load",M)};if(void 0!==U.jQuery){var i=U.jQuery,n="hcSticky";i.fn.extend({hcSticky:function(e,o){return this.length?"options"===e?i.data(this.get(0),n).options():this.each(function(){var t=i.data(this,n);t?t.triggerMethod(e,o):(t=new X(this,e),i.data(this,n,t))}):this}})}return U.hcSticky=U.hcSticky||X,X}),function(c){"use strict";var t=c.hcSticky,f=c.document;"function"!=typeof Object.assign&&Object.defineProperty(Object,"assign",{value:function(t,e){if(null==t)throw new TypeError("Cannot convert undefined or null to object");for(var o=Object(t),i=1;i<arguments.length;i++){var n=arguments[i];if(null!=n)for(var s in n)Object.prototype.hasOwnProperty.call(n,s)&&(o[s]=n[s])}return o},writable:!0,configurable:!0}),Array.prototype.forEach||(Array.prototype.forEach=function(t){var e,o;if(null==this)throw new TypeError("this is null or not defined");var i=Object(this),n=i.length>>>0;if("function"!=typeof t)throw new TypeError(t+" is not a function");for(1<arguments.length&&(e=arguments[1]),o=0;o<n;){var s;o in i&&(s=i[o],t.call(e,s,o,i)),o++}});var e=function(){var t=f.documentElement,e=function(){};function i(t){var e=c.event;return e.target=e.target||e.srcElement||t,e}t.addEventListener?e=function(t,e,o){t.addEventListener(e,o,!1)}:t.attachEvent&&(e=function(e,t,o){e[t+o]=o.handleEvent?function(){var t=i(e);o.handleEvent.call(o,t)}:function(){var t=i(e);o.call(e,t)},e.attachEvent("on"+t,e[t+o])});var o=function(){};return t.removeEventListener?o=function(t,e,o){t.removeEventListener(e,o,!1)}:t.detachEvent&&(o=function(e,o,i){e.detachEvent("on"+o,e[o+i]);try{delete e[o+i]}catch(t){e[o+i]=void 0}}),{bind:e,unbind:o}}(),r=function(t,e){return c.getComputedStyle?e?f.defaultView.getComputedStyle(t,null).getPropertyValue(e):f.defaultView.getComputedStyle(t,null):t.currentStyle?e?t.currentStyle[e.replace(/-\w/g,function(t){return t.toUpperCase().replace("-","")})]:t.currentStyle:void 0},l=function(t){var e=t.getBoundingClientRect(),o=c.pageYOffset||f.documentElement.scrollTop,i=c.pageXOffset||f.documentElement.scrollLeft;return{top:e.top+o,left:e.left+i}};t.Helpers={isEmptyObject:function(t){for(var e in t)return!1;return!0},debounce:function(i,n,s){var r=void 0;return function(){var t=this,e=arguments,o=s&&!r;clearTimeout(r),r=setTimeout(function(){r=null,s||i.apply(t,e)},n),o&&i.apply(t,e)}},hasClass:function(t,e){return t.classList?t.classList.contains(e):new RegExp("(^| )"+e+"( |$)","gi").test(t.className)},offset:l,position:function(t){var e=t.offsetParent,o=l(e),i=l(t),n=r(e),s=r(t);return o.top+=parseInt(n.borderTopWidth)||0,o.left+=parseInt(n.borderLeftWidth)||0,{top:i.top-o.top-(parseInt(s.marginTop)||0),left:i.left-o.left-(parseInt(s.marginLeft)||0)}},getStyle:r,getCascadedStyle:function(t){var e=t.cloneNode(!0);e.style.display="none",Array.prototype.slice.call(e.querySelectorAll('input[type="radio"]')).forEach(function(t){t.removeAttribute("name")}),t.parentNode.insertBefore(e,t.nextSibling);var o=void 0;e.currentStyle?o=e.currentStyle:c.getComputedStyle&&(o=f.defaultView.getComputedStyle(e,null));var i={};for(var n in o)!isNaN(n)||"string"!=typeof o[n]&&"number"!=typeof o[n]||(i[n]=o[n]);if(Object.keys(i).length<3)for(var s in i={},o)isNaN(s)||(i[o[s].replace(/-\w/g,function(t){return t.toUpperCase().replace("-","")})]=o.getPropertyValue(o[s]));if(i.margin||"auto"!==i.marginLeft?i.margin||i.marginLeft!==i.marginRight||i.marginLeft!==i.marginTop||i.marginLeft!==i.marginBottom||(i.margin=i.marginLeft):i.margin="auto",!i.margin&&"0px"===i.marginLeft&&"0px"===i.marginRight){var r=t.offsetLeft-t.parentNode.offsetLeft,l=r-(parseInt(i.left)||0)-(parseInt(i.right)||0),a=t.parentNode.offsetWidth-t.offsetWidth-r-(parseInt(i.right)||0)+(parseInt(i.left)||0)-l;0!==a&&1!==a||(i.margin="auto")}return e.parentNode.removeChild(e),e=null,i},event:e}}(window);