WordPress/wp-includes/js/jquery/ui/accordion.min.js

/*!
 * jQuery UI Accordion 1.11.2
 * http://jqueryui.com
 *
 * Copyright 2014 jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 *
 * http://api.jqueryui.com/accordion/
 */
!function(a){"function"==typeof define&&define.amd?define(["jquery","./core","./widget"],a):a(jQuery)}(function(a){return a.widget("ui.accordion",{version:"1.11.2",options:{active:0,animate:{},collapsible:!1,event:"click",header:"> li > :first-child,> :not(li):even",heightStyle:"auto",icons:{activeHeader:"ui-icon-triangle-1-s",header:"ui-icon-triangle-1-e"},activate:null,beforeActivate:null},hideProps:{borderTopWidth:"hide",borderBottomWidth:"hide",paddingTop:"hide",paddingBottom:"hide",height:"hide"},showProps:{borderTopWidth:"show",borderBottomWidth:"show",paddingTop:"show",paddingBottom:"show",height:"show"},_create:function(){var b=this.options;this.prevShow=this.prevHide=a(),this.element.addClass("ui-accordion ui-widget ui-helper-reset").attr("role","tablist"),b.collapsible||b.active!==!1&&null!=b.active||(b.active=0),this._processPanels(),b.active<0&&(b.active+=this.headers.length),this._refresh()},_getCreateEventData:function(){return{header:this.active,panel:this.active.length?this.active.next():a()}},_createIcons:function(){var b=this.options.icons;b&&(a("<span>").addClass("ui-accordion-header-icon ui-icon "+b.header).prependTo(this.headers),this.active.children(".ui-accordion-header-icon").removeClass(b.header).addClass(b.activeHeader),this.headers.addClass("ui-accordion-icons"))},_destroyIcons:function(){this.headers.removeClass("ui-accordion-icons").children(".ui-accordion-header-icon").remove()},_destroy:function(){var a;this.element.removeClass("ui-accordion ui-widget ui-helper-reset").removeAttr("role"),this.headers.removeClass("ui-accordion-header ui-accordion-header-active ui-state-default ui-corner-all ui-state-active ui-state-disabled ui-corner-top").removeAttr("role").removeAttr("aria-expanded").removeAttr("aria-selected").removeAttr("aria-controls").removeAttr("tabIndex").removeUniqueId(),this._destroyIcons(),a=this.headers.next().removeClass("ui-helper-reset ui-widget-content ui-corner-bottom ui-accordion-content ui-accordion-content-active ui-state-disabled").css("display","").removeAttr("role").removeAttr("aria-hidden").removeAttr("aria-labelledby").removeUniqueId(),"content"!==this.options.heightStyle&&a.css("height","")},_setOption:function(a,b){return"active"===a?void this._activate(b):("event"===a&&(this.options.event&&this._off(this.headers,this.options.event),this._setupEvents(b)),this._super(a,b),"collapsible"!==a||b||this.options.active!==!1||this._activate(0),"icons"===a&&(this._destroyIcons(),b&&this._createIcons()),void("disabled"===a&&(this.element.toggleClass("ui-state-disabled",!!b).attr("aria-disabled",b),this.headers.add(this.headers.next()).toggleClass("ui-state-disabled",!!b))))},_keydown:function(b){if(!b.altKey&&!b.ctrlKey){var c=a.ui.keyCode,d=this.headers.length,e=this.headers.index(b.target),f=!1;switch(b.keyCode){case c.RIGHT:case c.DOWN:f=this.headers[(e+1)%d];break;case c.LEFT:case c.UP:f=this.headers[(e-1+d)%d];break;case c.SPACE:case c.ENTER:this._eventHandler(b);break;case c.HOME:f=this.headers[0];break;case c.END:f=this.headers[d-1]}f&&(a(b.target).attr("tabIndex",-1),a(f).attr("tabIndex",0),f.focus(),b.preventDefault())}},_panelKeyDown:function(b){b.keyCode===a.ui.keyCode.UP&&b.ctrlKey&&a(b.currentTarget).prev().focus()},refresh:function(){var b=this.options;this._processPanels(),b.active===!1&&b.collapsible===!0||!this.headers.length?(b.active=!1,this.active=a()):b.active===!1?this._activate(0):this.active.length&&!a.contains(this.element[0],this.active[0])?this.headers.length===this.headers.find(".ui-state-disabled").length?(b.active=!1,this.active=a()):this._activate(Math.max(0,b.active-1)):b.active=this.headers.index(this.active),this._destroyIcons(),this._refresh()},_processPanels:function(){var a=this.headers,b=this.panels;this.headers=this.element.find(this.options.header).addClass("ui-accordion-header ui-state-default ui-corner-all"),this.panels=this.headers.next().addClass("ui-accordion-content ui-helper-reset ui-widget-content ui-corner-bottom").filter(":not(.ui-accordion-content-active)").hide(),b&&(this._off(a.not(this.headers)),this._off(b.not(this.panels)))},_refresh:function(){var b,c=this.options,d=c.heightStyle,e=this.element.parent();this.active=this._findActive(c.active).addClass("ui-accordion-header-active ui-state-active ui-corner-top").removeClass("ui-corner-all"),this.active.next().addClass("ui-accordion-content-active").show(),this.headers.attr("role","tab").each(function(){var b=a(this),c=b.uniqueId().attr("id"),d=b.next(),e=d.uniqueId().attr("id");b.attr("aria-controls",e),d.attr("aria-labelledby",c)}).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(c.event),"fill"===d?(b=e.height(),this.element.siblings(":visible").each(function(){var c=a(this),d=c.css("position");"absolute"!==d&&"fixed"!==d&&(b-=c.outerHeight(!0))}),this.headers.each(function(){b-=a(this).outerHeight(!0)}),this.headers.next().each(function(){a(this).height(Math.max(0,b-a(this).innerHeight()+a(this).height()))}).css("overflow","auto")):"auto"===d&&(b=0,this.headers.next().each(function(){b=Math.max(b,a(this).css("height","").height())}).height(b))},_activate:function(b){var c=this._findActive(b)[0];c!==this.active[0]&&(c=c||this.active[0],this._eventHandler({target:c,currentTarget:c,preventDefault:a.noop}))},_findActive:function(b){return"number"==typeof b?this.headers.eq(b):a()},_setupEvents:function(b){var c={keydown:"_keydown"};b&&a.each(b.split(" "),function(a,b){c[b]="_eventHandler"}),this._off(this.headers.add(this.headers.next())),this._on(this.headers,c),this._on(this.headers.next(),{keydown:"_panelKeyDown"}),this._hoverable(this.headers),this._focusable(this.headers)},_eventHandler:function(b){var c=this.options,d=this.active,e=a(b.currentTarget),f=e[0]===d[0],g=f&&c.collapsible,h=g?a():e.next(),i=d.next(),j={oldHeader:d,oldPanel:i,newHeader:g?a():e,newPanel:h};b.preventDefault(),f&&!c.collapsible||this._trigger("beforeActivate",b,j)===!1||(c.active=g?!1:this.headers.index(e),this.active=f?a():e,this._toggle(j),d.removeClass("ui-accordion-header-active ui-state-active"),c.icons&&d.children(".ui-accordion-header-icon").removeClass(c.icons.activeHeader).addClass(c.icons.header),f||(e.removeClass("ui-corner-all").addClass("ui-accordion-header-active ui-state-active ui-corner-top"),c.icons&&e.children(".ui-accordion-header-icon").removeClass(c.icons.header).addClass(c.icons.activeHeader),e.next().addClass("ui-accordion-content-active")))},_toggle:function(b){var c=b.newPanel,d=this.prevShow.length?this.prevShow:b.oldPanel;this.prevShow.add(this.prevHide).stop(!0,!0),this.prevShow=c,this.prevHide=d,this.options.animate?this._animate(c,d,b):(d.hide(),c.show(),this._toggleComplete(b)),d.attr({"aria-hidden":"true"}),d.prev().attr("aria-selected","false"),c.length&&d.length?d.prev().attr({tabIndex:-1,"aria-expanded":"false"}):c.length&&this.headers.filter(function(){return 0===a(this).attr("tabIndex")}).attr("tabIndex",-1),c.attr("aria-hidden","false").prev().attr({"aria-selected":"true",tabIndex:0,"aria-expanded":"true"})},_animate:function(a,b,c){var d,e,f,g=this,h=0,i=a.length&&(!b.length||a.index()<b.index()),j=this.options.animate||{},k=i&&j.down||j,l=function(){g._toggleComplete(c)};return"number"==typeof k&&(f=k),"string"==typeof k&&(e=k),e=e||k.easing||j.easing,f=f||k.duration||j.duration,b.length?a.length?(d=a.show().outerHeight(),b.animate(this.hideProps,{duration:f,easing:e,step:function(a,b){b.now=Math.round(a)}}),void a.hide().animate(this.showProps,{duration:f,easing:e,complete:l,step:function(a,c){c.now=Math.round(a),"height"!==c.prop?h+=c.now:"content"!==g.options.heightStyle&&(c.now=Math.round(d-b.outerHeight()-h),h=0)}})):b.animate(this.hideProps,f,e,l):a.animate(this.showProps,f,e,l)},_toggleComplete:function(a){var b=a.oldPanel;b.removeClass("ui-accordion-content-active").prev().removeClass("ui-corner-top").addClass("ui-corner-all"),b.length&&(b.parent()[0].className=b.parent()[0].className),this._trigger("activate",null,a)}})});