source: public/vendors/dataTable/FixedHeader-3.1.6/js/dataTables.fixedHeader.min.js@ 7614db3

/*!
   Copyright 2009-2019 SpryMedia Ltd.

 This source file is free software, available under the following license:
   MIT license - http://datatables.net/license/mit

 This source file is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 or FITNESS FOR A PARTICULAR PURPOSE. See the license files for details.

 For details please refer to: http://www.datatables.net
 FixedHeader 3.1.6
 ©2009-2019 SpryMedia Ltd - datatables.net/license
*/
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(function(c){"function"===typeof define&&define.amd?define(["jquery","datatables.net"],function(f){return c(f,window,document)}):"object"===typeof exports?module.exports=function(f,g){f||(f=window);g&&g.fn.dataTable||(g=require("datatables.net")(f,g).$);return c(g,f,f.document)}:c(jQuery,window,document)})(function(c,f,g,l){var h=c.fn.dataTable,n=0,m=function(a,b){if(!(this instanceof m))throw"FixedHeader must be initialised with the 'new' keyword.";!0===b&&(b={});a=new h.Api(a);this.c=c.extend(!0,
{},m.defaults,b);this.s={dt:a,position:{theadTop:0,tbodyTop:0,tfootTop:0,tfootBottom:0,width:0,left:0,tfootHeight:0,theadHeight:0,windowHeight:c(f).height(),visible:!0},headerMode:null,footerMode:null,autoWidth:a.settings()[0].oFeatures.bAutoWidth,namespace:".dtfc"+n++,scrollLeft:{header:-1,footer:-1},enable:!0};this.dom={floatingHeader:null,thead:c(a.table().header()),tbody:c(a.table().body()),tfoot:c(a.table().footer()),header:{host:null,floating:null,placeholder:null},footer:{host:null,floating:null,
placeholder:null}};this.dom.header.host=this.dom.thead.parent();this.dom.footer.host=this.dom.tfoot.parent();a=a.settings()[0];if(a._fixedHeader)throw"FixedHeader already initialised on table "+a.nTable.id;a._fixedHeader=this;this._constructor()};c.extend(m.prototype,{destroy:function(){this.s.dt.off(".dtfc");c(f).off(this.s.namespace);this.c.header&&this._modeChange("in-place","header",!0);this.c.footer&&this.dom.tfoot.length&&this._modeChange("in-place","footer",!0)},enable:function(a,b){this.s.enable=
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function(){a._scroll()}).on("resize"+this.s.namespace,h.util.throttle(function(){a.s.position.windowHeight=c(f).height();a.update()},50));var e=c(".fh-fixedHeader");!this.c.headerOffset&&e.length&&(this.c.headerOffset=e.outerHeight());e=c(".fh-fixedFooter");!this.c.footerOffset&&e.length&&(this.c.footerOffset=e.outerHeight());b.on("column-reorder.dt.dtfc column-visibility.dt.dtfc draw.dt.dtfc column-sizing.dt.dtfc responsive-display.dt.dtfc",function(){a.update()});b.on("destroy.dtfc",function(){a.destroy()});
this._positions();this._scroll()},_clone:function(a,b){var e=this.s.dt,d=this.dom[a],k="header"===a?this.dom.thead:this.dom.tfoot;!b&&d.floating?d.floating.removeClass("fixedHeader-floating fixedHeader-locked"):(d.floating&&(d.placeholder.remove(),this._unsize(a),d.floating.children().detach(),d.floating.remove()),d.floating=c(e.table().node().cloneNode(!1)).css("table-layout","fixed").attr("aria-hidden","true").removeAttr("id").append(k).appendTo("body"),d.placeholder=k.clone(!1),d.placeholder.find("*[id]").removeAttr("id"),
d.host.prepend(d.placeholder),this._matchWidths(d.placeholder,d.floating))},_matchWidths:function(a,b){var e=function(b){return c(b,a).map(function(){return c(this).width()}).toArray()},d=function(a,d){c(a,b).each(function(a){c(this).css({width:d[a],minWidth:d[a]})})},k=e("th");e=e("td");d("th",k);d("td",e)},_unsize:function(a){var b=this.dom[a].floating;b&&("footer"===a||"header"===a&&!this.s.autoWidth)?c("th, td",b).css({width:"",minWidth:""}):b&&"header"===a&&c("th, td",b).css("min-width","")},
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k.width+"px"));h&&h!==g.activeElement&&setTimeout(function(){h.focus()},10);this.s.scrollLeft.header=-1;this.s.scrollLeft.footer=-1;this.s[b+"Mode"]=a},_positions:function(){var a=this.s.dt.table(),b=this.s.position,e=this.dom;a=c(a.node());var d=a.children("thead"),k=a.children("tfoot");e=e.tbody;b.visible=a.is(":visible");b.width=a.outerWidth();b.left=a.offset().left;b.theadTop=d.offset().top;b.tbodyTop=e.offset().top;b.tbodyHeight=e.outerHeight();b.theadHeight=b.tbodyTop-b.theadTop;k.length?(b.tfootTop=
k.offset().top,b.tfootBottom=b.tfootTop+k.outerHeight(),b.tfootHeight=b.tfootBottom-b.tfootTop):(b.tfootTop=b.tbodyTop+e.outerHeight(),b.tfootBottom=b.tfootTop,b.tfootHeight=b.tfootTop)},_scroll:function(a){var b=c(g).scrollTop(),e=c(g).scrollLeft(),d=this.s.position,k;if(this.c.header){var f=this.s.enable?!d.visible||b<=d.theadTop-this.c.headerOffset?"in-place":b<=d.tfootTop-d.theadHeight-this.c.headerOffset?"in":"below":"in-place";(a||f!==this.s.headerMode)&&this._modeChange(f,"header",a);this._horizontal("header",
e)}this.c.footer&&this.dom.tfoot.length&&(this.s.enable&&(k=!d.visible||b+d.windowHeight>=d.tfootBottom+this.c.footerOffset?"in-place":d.windowHeight+b>d.tbodyTop+d.tfootHeight+this.c.footerOffset?"in":"above"),(a||k!==this.s.footerMode)&&this._modeChange(k,"footer",a),this._horizontal("footer",e))}});m.version="3.1.6";m.defaults={header:!0,footer:!1,headerOffset:0,footerOffset:0};c.fn.dataTable.FixedHeader=m;c.fn.DataTable.FixedHeader=m;c(g).on("init.dt.dtfh",function(a,b,e){"dt"===a.namespace&&
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fh?fh.enabled():!1});h.Api.register("fixedHeader.disable()",function(){return this.iterator("table",function(a){(a=a._fixedHeader)&&a.enabled()&&a.enable(!1)})});c.each(["header","footer"],function(a,b){h.Api.register("fixedHeader."+b+"Offset()",function(a){var c=this.context;return a===l?c.length&&c[0]._fixedHeader?c[0]._fixedHeader[b+"Offset"]():l:this.iterator("table",function(c){if(c=c._fixedHeader)c[b+"Offset"](a)})})});return m});