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0)},_setoptiondisabled:function(t){this._super(t),this.element.attr("aria-disabled",t),this._toggleclass(null,"ui-state-disabled",!!t),this._toggleclass(this.headers.add(this.headers.next()),null,"ui-state-disabled",!!t)},_keydown:function(e){if(!e.altkey&&!e.ctrlkey){var i=t.ui.keycode,s=this.headers.length,n=this.headers.index(e.target),o=!1;switch(e.keycode){case i.right:case i.down:o=this.headers[(n+1)%s];break;case i.left:case i.up:o=this.headers[(n-1+s)%s];break;case i.space:case i.enter:this._eventhandler(e);break;case i.home:o=this.headers[0];break;case i.end:o=this.headers[s-1]}o&&(t(e.target).attr("tabindex",-1),t(o).attr("tabindex",0),t(o).trigger("focus"),e.preventdefault())}},_panelkeydown:function(e){e.keycode===t.ui.keycode.up&&e.ctrlkey&&t(e.currenttarget).prev().trigger("focus")},refresh:function(){var e=this.options;this._processpanels(),e.active===!1&&e.collapsible===!0||!this.headers.length?(e.active=!1,this.active=t()):e.active===!1?this._activate(0):this.active.length&&!t.contains(this.element[0],this.active[0])?this.headers.length===this.headers.find(".ui-state-disabled").length?(e.active=!1,this.active=t()):this._activate(math.max(0,e.active-1)):e.active=this.headers.index(this.active),this._destroyicons(),this._refresh()},_processpanels:function(){var t=this.headers,e=this.panels;this.headers=this.element.find(this.options.header),this._addclass(this.headers,"ui-accordion-header ui-accordion-header-collapsed","ui-state-default"),this.panels=this.headers.next().filter(":not(.ui-accordion-content-active)").hide(),this._addclass(this.panels,"ui-accordion-content","ui-helper-reset ui-widget-content"),e&&(this._off(t.not(this.headers)),this._off(e.not(this.panels)))},_refresh:function(){var e,i=this.options,s=i.heightstyle,n=this.element.parent();this.active=this._findactive(i.active),this._addclass(this.active,"ui-accordion-header-active","ui-state-active")._removeclass(this.active,"ui-accordion-header-collapsed"),this._addclass(this.active.next(),"ui-accordion-content-active"),this.active.next().show(),this.headers.attr("role","tab").each(function(){var e=t(this),i=e.uniqueid().attr("id"),s=e.next(),n=s.uniqueid().attr("id");e.attr("aria-controls",n),s.attr("aria-labelledby",i)}).next().attr("role","tabpanel"),this.headers.not(this.active).attr({"aria-selected":"false","aria-expanded":"false",tabindex:-1}).next().attr({"aria-hidden":"true"}).hide(),this.active.length?this.active.attr({"aria-selected":"true","aria-expanded":"true",tabindex:0}).next().attr({"aria-hidden":"false"}):this.headers.eq(0).attr("tabindex",0),this._createicons(),this._setupevents(i.event),"fill"===s?(e=n.height(),this.element.siblings(":visible").each(function(){var i=t(this),s=i.css("position");"absolute"!==s&&"fixed"!==s&&(e-=i.outerheight(!0))}),this.headers.each(function(){e-=t(this).outerheight(!0)}),this.headers.next().each(function(){t(this).height(math.max(0,e-t(this).innerheight()+t(this).height()))}).css("overflow","auto")):"auto"===s&&(e=0,this.headers.next().each(function(){var i=t(this).is(":visible");i||t(this).show(),e=math.max(e,t(this).css("height","").height()),i||t(this).hide()}).height(e))},_activate:function(e){var i=this._findactive(e)[0];i!==this.active[0]&&(i=i||this.active[0],this._eventhandler({target:i,currenttarget:i,preventdefault:t.noop}))},_findactive:function(e){return"number"==typeof e?this.headers.eq(e):t()},_setupevents:function(e){var i={keydown:"_keydown"};e&&t.each(e.split(" 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i,s,n=this.options,o=this.active,a=t(e.currenttarget),r=a[0]===o[0],h=r&&n.collapsible,l=h?t():a.next(),c=o.next(),u={oldheader:o,oldpanel:c,newheader:h?t():a,newpanel:l};e.preventdefault(),r&&!n.collapsible||this._trigger("beforeactivate",e,u)===!1||(n.active=h?!1:this.headers.index(a),this.active=r?t():a,this._toggle(u),this._removeclass(o,"ui-accordion-header-active","ui-state-active"),n.icons&&(i=o.children(".ui-accordion-header-icon"),this._removeclass(i,null,n.icons.activeheader)._addclass(i,null,n.icons.header)),r||(this._removeclass(a,"ui-accordion-header-collapsed")._addclass(a,"ui-accordion-header-active","ui-state-active"),n.icons&&(s=a.children(".ui-accordion-header-icon"),this._removeclass(s,null,n.icons.header)._addclass(s,null,n.icons.activeheader)),this._addclass(a.next(),"ui-accordion-content-active")))},_toggle:function(e){var i=e.newpanel,s=this.prevshow.length?this.prevshow:e.oldpanel;this.prevshow.add(this.prevhide).stop(!0,!0),this.prevshow=i,this.prevhide=s,this.options.animate?this._animate(i,s,e):(s.hide(),i.show(),this._togglecomplete(e)),s.attr({"aria-hidden":"true"}),s.prev().attr({"aria-selected":"false","aria-expanded":"false"}),i.length&&s.length?s.prev().attr({tabindex:-1,"aria-expanded":"false"}):i.length&&this.headers.filter(function(){return 0===parseint(t(this).attr("tabindex"),10)}).attr("tabindex",-1),i.attr("aria-hidden","false").prev().attr({"aria-selected":"true","aria-expanded":"true",tabindex:0})},_animate:function(t,e,i){var s,n,o,a=this,r=0,h=t.css("box-sizing"),l=t.length&&(!e.length||t.index()