@progress/kendo-ui/umd/kendo.panelbar.min.js

This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("kendo.data.js"),require("kendo.icons.js")):"function"==typeof define&&define.amd?define(["exports","kendo.data","kendo.icons"],t):t(((e="undefined"!=typeof globalThis?globalThis:e||self).kendo=e.kendo||{},e.kendo._globals=e.kendo._globals||{},e.kendo._globals.Panelbar={}))}(this,(function(e){!function(e,t){var n,a=window.kendo,r=a.ui,i=a.keys,s=e.extend,l=a.htmlEncode,o=e.each,d=Array.isArray,p=a.template,c=r.Widget,u=a.data.HierarchicalDataSource,h=/^(ul|a|div)$/i,m=".kendoPanelBar",f="href",g="k-link",v="."+g,b="error",k=".k-panelbar-item",_=".k-panelbar-group:visible",C="k-image",x="change",y="expand",w="select",I="click",A="k-panelbar-content",S="activate",U="collapse",B="dataBound",D="mouseenter",E="contentLoad",O="k-expanded",$="> .k-panelbar-group",G="> .k-panelbar-content",T="k-focus",q="k-disabled",F="k-selected",H="."+F,R=k+":not(.k-disabled)",W="> "+R+" > "+v+", .k-panelbar-group > "+R+" > "+v,j=k+".k-disabled > .k-link",P="> li > "+H+", .k-panelbar-group > li > "+H,L="aria-disabled",M="aria-expanded",N="aria-hidden",K="aria-selected",Q=":visible",V="single",z={text:"dataTextField",url:"dataUrlField",spriteCssClass:"dataSpriteCssClassField",imageUrl:"dataImageUrlField",icon:"dataIconField",iconClass:"dataIconClassField"},J={aria:function(e){var t="";return(e.items||e.content||e.contentUrl||e.expanded)&&(t+=M+"='"+(e.expanded?"true":"false")+"' "),!1===e.enabled&&(t+=L+"='true'"),t},wrapperCssClass:function(e,t){var n="k-panelbar-item";t.index;return e.firstLevel&&(n+=" k-panelbar-header"),!1===t.enabled?n+=" "+q:!0===t.expanded&&(n+=" "+O),t.cssClass&&(n+=" "+t.cssClass),t.level&&(n+=" k-level-"+t.level()),n},textClass:function(e){var t=g;return e.selected&&(t+=" "+F),t},textAttributes:function(e){return e?" href='"+e+"'":""},arrowIconOptions:function(e){return{icon:e.expanded?"chevron-up":"chevron-down",iconClass:"k-panelbar-toggle k-panelbar-"+(e.expanded?"collapse":"expand")}},text:function(e){return!1===e.encoded?e.text:a.htmlEncode(e.text)},groupAttributes:function(e){return!0!==e.expanded?` ${a.attr("style-display")}="none"`:""},ariaHidden:function(e){return!0!==e.expanded},groupCssClass:function(){return"k-panelbar-group"},contentAttributes:function(e){return!0!==e.item.expanded?` ${a.attr("style-display")}="none"`:""},content:function(e){return e.content?e.content:e.contentUrl?"":"&nbsp;"},contentUrl:function(e){return e.contentUrl?'href="'+e.contentUrl+'"':""}};function X(t){(t=e(t)).addClass("k-level-"+t.parentsUntil(".k-panelbar","ul").length)}n=function(e){return e.children("span").children(".k-panelbar-toggle")};var Y=a.ui.DataBoundWidget.extend({init:function(e,t){var n,r,i=this;d(t)&&(t={dataSource:t}),r=t&&!!t.dataSource,c.fn.init.call(i,e,t),e=i.wrapper=i.element.addClass("k-panelbar"),t=i.options,e[0].id&&(i._itemId=e[0].id+"_pb_active"),i._tabindex(),i._accessors(),i._dataSource(),i._templates(),i._initData(r),i._updateClasses(),i._animations(t),e.on(I+m,W,i._click.bind(i)).on(D+m+" mouseleave"+m,W,i._toggleHover).on(I+m,j,!1).on(I+m,".k-request-retry",i._retryRequest.bind(i)).on("keydown"+m,i._keydown.bind(i)).on("focus"+m,(function(){var e=i.select();i._current(e[0]?e:i._first())})).on("blur"+m,(function(){i._current(null)})).attr("role","tree"),(n=e.find("li."+O+" > ."+A))[0]&&i.expand(n.parent(),!1),a.notify(i),i._showWatermarkOverlay&&i._showWatermarkOverlay(i.wrapper[0])},events:[y,U,w,S,x,b,B,E],options:{name:"PanelBar",dataSource:{},animation:{expand:{effects:"expand:vertical",duration:200},collapse:{duration:200}},messages:{loading:"Loading...",requestFailed:"Request failed.",retry:"Retry"},autoBind:!0,loadOnDemand:!0,expandMode:"multiple",template:null,dataTextField:null,selectable:!0},destroy:function(){c.fn.destroy.call(this),this.element.off(m),a.destroy(this.element)},_initData:function(e){var t=this;e&&(t.element.empty(),t.options.autoBind&&(t._progress(!0),t.dataSource.fetch()))},_templates:function(){var t=this,n=t.options,r=t._fieldAccessor.bind(t);n.template&&"string"==typeof n.template?n.template=p(n.template):n.template||(n.template=p((e=>{var t=r("text")(e.item);return!1!==e.item.encoded&&(t=l(t)),`<span class='k-panelbar-item-text'>${t}</span>`}))),t.templates={content:p((({data:e,item:t,contentAttributes:n,content:a})=>`<div class='k-panelbar-content'${n({data:e,item:t,contentAttributes:n,content:a})}>${a(t)}</div>`)),group:p((({data:e,items:t,group:n,renderItems:a,panelBar:r,ariaHidden:i,groupCssClass:s,groupAttributes:l})=>`<ul role='group' aria-hidden='${i(n)}' class='${s(n)}' ${l(n)}>`+a({data:e,items:t,group:n,renderItems:a,panelBar:r,ariaHidden:i,groupCssClass:s,groupAttributes:l})+"</ul>")),itemWrapper:p((({panelBar:t,item:n,arrow:i,textClass:s,arrowIconOptions:l,textAttributes:o,contentUrl:d})=>{var p=r("url")(n),c=r("imageUrl")(n),u=r("spriteCssClass")(n),h=r("icon")(n),m=r("iconClass")(n);m=m?" "+m:"";d=d(n);var f=p||d?"a":"span";return`<${f} class='${s(n)}' ${d}${o(p)}>`+(c?`<img class='k-panelbar-item-icon k-image' alt='' src='${c}' />`:"")+(u?`<span class='k-sprite ${u}'></span>`:"")+(h?a.ui.icon(e("<span></span>"),{icon:h,iconClass:"k-panelbar-item-icon"+m}):"")+t.options.template({panelBar:t,item:n,arrow:i,textClass:s,textAttributes:o,contentUrl:d})+i({panelBar:t,item:n,arrow:i,textClass:s,arrowIconOptions:l,textAttributes:o,contentUrl:d})+`</${f}>`})),item:p((({data:e,group:t,item:n,panelBar:r,itemWrapper:i,renderContent:s,arrow:l,arrowIconOptions:o,subGroup:d,aria:p,wrapperCssClass:c,contentUrl:u,textClass:h,textAttributes:m})=>`<li aria-selected='false' role='treeitem' ${p(n)}class='${c(t,n)}' 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t=this.options.animation;this._animations(e),e.animation=s(!0,t,e.animation),"dataSource"in e&&this.setDataSource(e.dataSource),c.fn.setOptions.call(this,e)},expand:function(t,n){var a=this,r={};if(t=this.element.find(t),!a._animating||!t.find("ul").is(":visible"))return a._animating=!0,n=!1!==n,t.each((function(i,s){s=e(s);var l=t.children(".k-panelbar-group,.k-panelbar-content");l.length||(l=a._addGroupElement(t));var o=l.add(s.find(G));if(!s.hasClass(q)&&o.length>0){if(a.options.expandMode==V&&a._collapseAllExpanded(s))return a;n||(r=a.options.animation,a.options.animation={expand:{effects:{}},collapse:{hide:!0,effects:{}}}),a._triggerEvent(y,s)||a._toggleItem(s,!1,!1),n||(a.options.animation=r)}})),a;a.one("complete",(function(){setTimeout((function(){a.expand(t)}))}))},collapse:function(t,n){var a=this,r={};return a._animating=!0,n=!1!==n,(t=a.element.find(t)).each((function(t,i){var 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a=this.element,r=this.templates.loading({messages:this.options.messages});1==arguments.length?(t=e)?a.html(r):a.empty():n(e).empty().removeClass("k-i-arrow-rotate-cw k-svg-i-arrow-rotate-cw").toggleClass("k-i-loading",t)},_refreshRoot:function(t){var n=this,i={firstLevel:!0,expanded:!0,length:n.element.children().length};this.element.empty();var l=e.map(t,(function(t,r){if("string"==typeof t)return e(t);{t.items=[];let l=e(n.renderItem({group:i,item:s(t,{index:r})}));return a.applyStylesFromKendoAttributes(l,["display"]),l}}));this.element.append(l);for(var o=this.element.children(".k-panelbar-item"),d=0;d<t.length;d++)this.trigger("itemChange",{item:o.eq(d).find(".k-link").first(),data:t[d],ns:r})},_refreshChildren:function(t,n){var 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this._updateItems(i,e.field)}if(a&&(s=this.findByUid(a.uid),this._progress(s,!1)),"add"==r?this._appendItems(e.index,i,s):"remove"==r?this.remove(this.findByUid(i[0].uid)):"itemchange"==r?this._updateItems(i):"itemloaded"==r?this._refreshChildren(a,s):this._refreshRoot(i),"remove"!=r)for(var o=0;o<i.length;o++)if(!l||i[o].expanded){var d=i[o];this._hasChildItems(d)&&d.load()}this.trigger(B,{node:a?s:t})},_error:function(e){var t=e.node&&this.findByUid(e.node.uid),r=this.templates.retry({messages:this.options.messages});t?(this._progress(t,!1),a.ui.icon(n(t),{icon:"arrow-rotate-cw"}),e.node.loaded(!1)):(this._progress(!1),this.element.html(r))},_retryRequest:function(e){e.preventDefault(),this.dataSource.fetch()},items:function(){return this.element.find(".k-panelbar-item > 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i,l,o=this;r.hasClass("k-panelbar")?(i=r.children("li"),l=r):((l=r.children(".k-panelbar-group")).length||(l=o._addGroupElement(r)),i=l.children("li"));var d={firstLevel:r.hasClass("k-panelbar"),expanded:!0,length:i.length},p=e.map(n,(function(t,n){if("string"==typeof t)return e(t);{let r=e(o.renderItem({group:d,item:s(t,{index:n})}));return a.applyStylesFromKendoAttributes(r,["display"]),r}}));void 0===t&&(t=i.length);for(var c=0;c<p.length;c++)0===i.length||0===t?l.append(p[c]):p[c].insertAfter(i[t-1]);o.dataItem(r)&&(o.dataItem(r).hasChildren=!0,o.updateArrow(r))},_updateItems:function(t,n){var a,i,l,o,d=this,p={panelBar:d.options,item:o,group:{}},c="expanded"!=n;if("selected"==n)if(t[0][n]){var u=d.findByUid(t[0].uid);u.hasClass(q)||d.select(u,!0)}else d.clearSelection();else{var h=e.map(t,(function(e){return 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t=this,n=e.keyCode,a=t._current();e.target==e.currentTarget&&(n==i.DOWN||n==i.RIGHT?(t._current(t._nextItem(a)),e.preventDefault()):n==i.UP||n==i.LEFT?(t._current(t._prevItem(a)),e.preventDefault()):n==i.ENTER||n==i.SPACEBAR?(t._click(e),e.preventDefault()):n==i.HOME?(t._current(t._first()),e.preventDefault()):n==i.END&&(t._current(t._last()),e.preventDefault()))},_nextItem:function(e){if(!e)return this._first();var t=e.children(_),n=e.nextAll(":visible").first();return t[0]&&(n=t.children().first()),n[0]||(n=e.parent(_).parent(k).next()),n[0]||(n=this._first()),n},_prevItem:function(e){if(!e)return this._last();var t,n=e.prevAll(":visible").first();if(n[0])for(t=n;t[0];)(t=t.children(_).children().last())[0]&&(n=t);else(n=e.parent(_).parent(k))[0]||(n=this._last());return n},_insert:function(t,n,r){var i,l,o=this,d=e.isPlainObject(t),p=n&&n[0];if(p||(r=o.element),l={firstLevel:r.hasClass("k-panelbar"),expanded:e(n).hasClass(O),length:r.children().length},p&&!r.length&&(r=e(o.renderGroup({group:l,options:o.options})),a.applyStylesFromKendoAttributes(r,["display"]),r.appendTo(n)),d||Array.isArray(t)||t instanceof u){if(t instanceof u&&(t=t.data()),i=e.map(d?[t]:t,(function(t,n){if("string"==typeof t)return e(t);{let r=e(o.renderItem({group:l,item:s(t,{index:n})}));return a.applyStylesFromKendoAttributes(r,["display"]),r}})),p){var c=o.dataItem(n);c?(c.hasChildren=!0,n.attr(M,c.expanded).not("."+O).children("ul").attr(N,!c.expanded)):n.attr(M,!1)}}else i="string"==typeof t&&"<"!=t.charAt(0)?o.element.find(t):e(t),o._updateItemsClasses(i);return t.length||(t=[t]),{items:i,group:r}},_toggleHover:function(t){var n=e(t.currentTarget);n.parents("li."+q).length||n.toggleClass("k-hover",t.type==D)},_updateClasses:function(){var t,n,a,r,i,s=this;r=(t=s.element.find("li > 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