@progress/kendo-ui/js/kendo.treeview.min.js

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

module.exports=function(i){var r={};function n(e){if(r[e])return r[e].exports;var t=r[e]={exports:{},id:e,loaded:!1};return i[e].call(t.exports,t,t.exports,n),t.loaded=!0,t.exports}return n.m=i,n.c=r,n.p="",n(0)}({0:function(e,t,i){e.exports=i(1503)},3:function(e,t){e.exports=function(){throw Error("define cannot be used indirect")}},1060:function(e,t){e.exports=require("jquery")},1063:function(e,t){e.exports=require("./kendo.data")},1104:function(e,t){e.exports=require("./kendo.html.input")},1297:function(e,t){e.exports=require("./kendo.treeview.draganddrop")},1503:function(e,t,i){var r,re;re=i(1060),i(3),i=[i(1063),i(1297),i(1104)],void 0===(t="function"==typeof(r=function(){var e={id:"treeview",name:"TreeView",category:"web",description:"The TreeView widget displays hierarchical data in a traditional tree structure,with support for interactive drag-and-drop operations.",depends:["data","html.input"],features:[{id:"treeview-dragging",name:"Drag & Drop",description:"Support for drag & drop",depends:["treeview.draganddrop"]}]},m=window.kendo.jQuery,c=void 0,k=window.kendo,g=k.ui,t,o=m.extend,n=k.template,u=Array.isArray,f=g.Widget,v=k.data.HierarchicalDataSource,d=k.keys,a=".kendoTreeView",i=".kendoTreeViewTemp",x="select",b="check",C="navigate",w,y="change",S="error",h="checked",p="indeterminate",N,T="dragstart",I="drag",D="drop",A="dragend",B="dataBound",O="itemsLoaded",H="loadCompleted",U="click",q,l="undefined",E="k-hover",L="k-treeview",V=":visible",s=".k-item",F="string",j="aria-checked",P="aria-selected",R="aria-disabled",M="aria-expanded",G="k-disabled",Q,_,W,J,$,X={text:"dataTextField",url:"dataUrlField",spriteCssClass:"dataSpriteCssClassField",imageUrl:"dataImageUrlField"},Y=function(e){return e instanceof k.jQuery||window.jQuery&&e instanceof window.jQuery},z=function(e){return typeof HTMLElement==="object"?e instanceof HTMLElement:e&&typeof e==="object"&&e.nodeType===1&&typeof e.nodeName===F};function K(i){return function(e){var t=e.children(".k-animation-container");if(!t.length)t=e;return t.children(i)}}function r(e){return k.template(e,{useWithBlock:false})}function Z(e){return e.find(".k-checkbox-wrapper:first input[type=checkbox]")}function ee(a){return function(e,n){n=n.closest(s);var t=n.parent(),i;if(t.parent().is("li"))i=t.parent();return this._dataSourceMove(e,t,i,function(e,t){var i=this.dataItem(n);var r=i?i.parent().indexOf(i):n.index();return this._insert(e.data(),t,r+a)})}}function te(e,t){var i;while(e&&e.nodeName.toLowerCase()!="ul"){i=e;e=e.nextSibling;if(i.nodeType==3)i.nodeValue=k.trim(i.nodeValue);if($.test(i.className))t.insertBefore(i,t.firstChild);else t.appendChild(i)}}function ie(e){var t=e.children("div"),i=e.children("ul"),r=t.find(".k-treeview-toggle > .k-icon"),n=e.children("input[type=checkbox]"),a=t.children(".k-in");if(e.hasClass("k-treeview"))return;if(!t.length)t=m("<div />").prependTo(e);if(!r.length&&i.length)r=m("<span class='k-treeview-toggle'><span class='k-icon' /></span>").prependTo(t);else if(!i.length||!i.children().length){r.parent().remove();i.remove()}if(n.length)m("<span class='k-checkbox-wrapper' />").appendTo(t).append(n);if(!a.length){a=e.children("a").eq(0).addClass("k-in k-link");if(!a.length)a=m("<span class='k-treeview-leaf k-in' />");a.appendTo(t);if(t.length)te(t[0].nextSibling,a[0])}}return _=K(".k-group"),W=K(".k-group,.k-content"),J=function(e){return e.children("div").find(".k-treeview-toggle > .k-icon")},$=/k-sprite/,Q=k.ui.DataBoundWidget.extend({init:function(e,t){var i=this,r=false,n=t&&!!t.dataSource,a;if(u(t))t={dataSource:t};if(t&&typeof t.loadOnDemand==l&&u(t.dataSource))t.loadOnDemand=false;f.prototype.init.call(i,e,t);e=i.element;t=i.options;i._dataSourceUids={};a=e.is("ul")&&e||e.hasClass(L)&&e.children("ul");r=!n&&a.length;if(r)t.dataSource.list=a;i._animation();i._accessors();i._templates();if(!e.hasClass(L)){i._wrapper();if(a){i.root=e;i._group(i.wrapper)}}else{i.wrapper=e;i.root=e.children("ul").eq(0)}i._applyCssClasses();i._tabindex();i.wrapper.attr("role","tree");i.wrapper.find(">ul").attr("role","none");i._dataSource(r);i._attachEvents();i._dragging();if(!r){if(t.autoBind){i._progress(true);i.dataSource.fetch(this._attemptLoadCompleted.bind(this))}}else i._syncHtmlAndDataSource();if(t.checkboxes&&t.checkboxes.checkChildren)i.updateIndeterminate();if(i.element[0].id)i._ariaId=k.format("{0}_tv_active",i.element[0].id);else i._ariaId=k.guid()+"_tv_active";k.notify(i)},_attachEvents:function(){var i=this,e=".k-in:not(.k-selected,.k-disabled)",t="mouseenter";i._clickHandler=i._click.bind(i);i.wrapper.on(t+a,".k-in.k-selected",function(e){e.preventDefault()}).on(t+a,e,function(){m(this).addClass(E)}).on("mouseleave"+a,e,function(){m(this).removeClass(E)}).on(U+a,e,i._clickHandler).on("dblclick"+a,".k-in:not(.k-disabled)",i._toggleButtonClick.bind(i)).on(U+a,".k-i-expand,.k-i-collapse",i._toggleButtonClick.bind(i)).on("keydown"+a,i,i._keydown.bind(i)).on("keypress"+a,i._keypress.bind(i)).on("focus"+a,i._focus.bind(i)).on("blur"+a,i._blur.bind(i)).on("mousedown"+a,".k-in,.k-checkbox-wrapper :checkbox,.k-i-expand,.k-i-collapse",i._mousedown.bind(i)).on("change"+a,".k-checkbox-wrapper :checkbox",i._checkboxChange.bind(i)).on("click"+a,".k-request-retry",i._retryRequest.bind(i)).on("click"+a,".k-link.k-disabled",function(e){e.preventDefault()}).on("click"+a,function(e){var t=m(e.target);if(!t.is(":kendoFocusable")&&!t.find("input,select,textarea,button,object").is(":kendoFocusable"))i.focus()})},_syncHtmlAndDataSource:function(e,t){e=e||this.root;t=t||this.dataSource;var i=t.view(),r=k.attr("uid"),c=k.attr("expanded"),u=this.options.checkboxes,n=e.children("li"),a,s,o,d,l;for(a=0;a<n.length;a++){o=i[a];d=o.uid;s=n.eq(a);s.attr("role","treeitem").attr(r,d).attr(P,s.hasClass("k-selected"));o.expanded=s.attr(c)==="true";if(u){l=Z(s);o.checked=l.prop(h);l.attr("id","_"+d);l.next(".k-checkbox-label").attr("for","_"+d)}this._syncHtmlAndDataSource(s.children("ul"),o.children)}},_animation:function(){var e=this.options,t=e.animation,i=t.collapse&&"effects"in t.collapse,r=o({},t.expand,t.collapse);if(!i)r=o(r,{reverse:true});if(t===false)t={expand:{effects:{}},collapse:{hide:true,effects:{}}};t.collapse=o(r,{hide:true});e.animation=t},_dragging:function(){var e=this.options.dragAndDrop;var t=this.dragging;if(e&&!t){var a=this;this.dragging=new g.HierarchicalDragAndDrop(this.element,{reorderable:true,$angular:this.options.$angular,autoScroll:this.options.autoScroll,filter:"div:not(.k-disabled) .k-in",allowedContainers:".k-treeview",itemSelector:".k-treeview .k-item",hintText:this._hintText.bind(this),contains:function(e,t){return m.contains(e,t)},dropHintContainer:function(e){return e},itemFromTarget:function(e){var t=e.closest(".k-treeview-top,.k-treeview-mid,.k-treeview-bot");return{item:t,content:e.closest(".k-in"),first:t.hasClass("k-treeview-top"),last:t.hasClass("k-treeview-bot")}},dropPositionFrom:function(e){return e.prevAll(".k-in").length>0?"after":"before"},dragstart:function(e){return a.trigger(T,{sourceNode:e[0]})},drag:function(e){a.trigger(I,{originalEvent:e.originalEvent,sourceNode:e.source[0],dropTarget:e.target[0],pageY:e.pageY,pageX:e.pageX,statusClass:e.status,setStatusClass:e.setStatus})},drop:function(t){var e=m(t.dropTarget);var i=e.closest("a");if(i&&i.attr("href"))a._tempPreventNavigation(i);return a.trigger(D,{originalEvent:t.originalEvent,sourceNode:t.source,destinationNode:t.destination,valid:t.valid,setValid:function(e){this.valid=e;t.setValid(e)},dropTarget:t.dropTarget,dropPosition:t.position})},dragend:function(t){var e=t.source;var i=t.destination;var r=t.position;function n(e){if(a.options.checkboxes&&a.options.checkboxes.checkChildren)a.updateIndeterminate();a.current(e);a.element.focus();a.trigger(A,{originalEvent:t.originalEvent,sourceNode:e&&e[0],destinationNode:i[0],dropPosition:r})}if(r=="over")a.append(e,i,n);else{if(r=="before")e=a.insertBefore(e,i);else if(r=="after")e=a.insertAfter(e,i);n(e)}}})}else if(!e&&t){t.destroy();this.dragging=null}},_tempPreventNavigation:function(t){t.on(U+a+i,function(e){e.preventDefault();t.off(U+a+i)})},_hintText:function(e){return this.templates.dragClue({item:this.dataItem(e),treeview:this.options})},_templates:function(){var e=this,t=e.options,i=e._fieldAccessor.bind(e);if(t.template&&typeof t.template==F)t.template=n(t.template);else if(!t.template)t.template=r("# var text = "+i("text")+"(data.item); #"+"# if (typeof data.item.encoded != 'undefined' && data.item.encoded === false) {#"+"<span class='k-treeview-leaf-text'>#= text #</span>"+"# } else { #"+"<span class='k-treeview-leaf-text'>#: text #</span>"+"# } #");e._checkboxes();e.templates={setAttributes:function(e){var t="";var i=e.attr||{};for(var r in i)if(i.hasOwnProperty(r)&&r!=="class")t+=r+'="'+i[r]+'" ';return t},wrapperCssClass:function(e,t){var i="k-item k-treeview-item",r=t.index;if(e.firstLevel&&r===0)i+=" k-first";if(r==e.length-1)i+=" k-last";return i},cssClass:function(e,t){var i="",r=t.index,n=e.length-1;if(e.firstLevel&&r===0)i+="k-treeview-top ";if(r===0&&r!=n)i+="k-treeview-top";else if(r==n)i+="k-treeview-bot";else i+="k-treeview-mid";return i},textClass:function(e,t){var i="k-treeview-leaf k-in";if(t)i+=" k-link";if(e.enabled===false)i+=" k-disabled";if(e.selected===true)i+=" k-selected";return i},toggleButtonClass:function(e){var t="k-icon";if(e.expanded!==true)t+=" k-i-expand";else t+=" k-i-collapse";return t},groupAttributes:function(e){var t="";if(!e.firstLevel)t="role='group'";return t+(e.expanded!==true?" style='display:none'":"")},groupCssClass:function(e){var t="k-group k-treeview-group";if(e.firstLevel)t+=" k-treeview-lines";return t},dragClue:r("#= data.treeview.template(data) #"),group:r("<ul class='#= data.r.groupCssClass(data.group) #'#= data.r.groupAttributes(data.group) #>"+"#= data.renderItems(data) #"+"</ul>"),itemContent:r("# var imageUrl = "+i("imageUrl")+"(data.item); #"+"# var spriteCssClass = "+i("spriteCssClass")+"(data.item); #"+"# if (imageUrl) { #"+"<img class='k-image' alt='' src='#= imageUrl #'>"+"# } #"+"# if (spriteCssClass) { #"+"<span class='k-sprite #= spriteCssClass #'></span>"+"# } #"+"#= data.treeview.template(data) #"),itemElement:r("# var item = data.item, r = data.r; #"+"# var url = "+i("url")+"(item); #"+"<div class='#= r.cssClass(data.group, item) #'>"+"# if (item.hasChildren) { #"+"<span class='k-treeview-toggle'>"+"<span class='#= r.toggleButtonClass(item) #'></span>"+"</span>"+"# } #"+"# if (data.treeview.checkboxes) { #"+"<span class='k-checkbox-wrapper' role='presentation'>"+"#= data.treeview.checkboxes.template(data) #"+"</span>"+"# } #"+"# var tag = url ? 'a' : 'span'; #"+"# var textAttr = url ? ' href=\\'' + url + '\\'' : ''; #"+"<#=tag# class='#= r.textClass(item, !!url) #'#= textAttr #>"+"#= r.itemContent(data) #"+"</#=tag#>"+"</div>"),item:r("# var item = data.item, r = data.r; #"+"<li role='treeitem' class='#= r.wrapperCssClass(data.group, item) #'"+k.attr("uid")+"='#= item.uid #' "+"#= r.setAttributes(item.toJSON ? item.toJSON() : item) # "+"# if (data.treeview.checkboxes) { #"+'aria-checked=\'#= item.checked ? "true" : "false" #\' '+"# } #"+'aria-selected=\'#= item.selected ? "true" : "false" #\' '+"#=item.enabled === false ? \"aria-disabled='true'\" : ''#"+'aria-expanded=\'#= item.expanded ? "true" : "false" #\' '+'data-expanded=\'#= item.expanded ? "true" : "false" #\' '+">"+"#= r.itemElement(data) #"+"</li>"),loading:r("<div class='k-icon k-i-loading'></div> #: data.messages.loading #"),retry:r("#: data.messages.requestFailed # "+"<button class='k-button k-button-md k-rounded-md k-button-solid k-button-solid-base k-request-retry'><span class='k-button-text'>#: data.messages.retry #</span></button>")}},items:function(){return this.element.find(".k-item > div:first-child")},setDataSource:function(e){var t=this.options;t.dataSource=e;this._dataSourceUids={};this._dataSource();if(t.checkboxes&&t.checkboxes.checkChildren)this.dataSource.one("change",this.updateIndeterminate.bind(this,null));if(this.options.autoBind)this.dataSource.fetch(this._attemptLoadCompleted.bind(this))},_bindDataSource:function(){var e=this;e._refreshHandler=e.refresh.bind(e);e._errorHandler=e._error.bind(e);e._loadCompletedHandler=e._loadCompleted.bind(e);e._loadedNodes=[];e.dataSource.bind(y,e._refreshHandler);e.dataSource.bind(S,e._errorHandler);e.dataSource.bind(O,e._loadCompletedHandler)},_loadCompleted:function(e){var t=this;t._loadedNodes=t._loadedNodes.concat(e.nodes);if(!t.dataSource.loading()&&t.options.loadOnDemand===false){t.trigger(H,{nodes:t._loadedNodes});t._loadedNodes=[]}},_attemptLoadCompleted:function(){var e=this,t=e.dataSource.view();if(e.options.loadOnDemand===false){for(var i=0;i<t.length;i++)if(t[i].hasChildren)return;e.trigger(H,{nodes:[]})}},_unbindDataSource:function(){var e=this.dataSource;if(e){e.unbind(y,this._refreshHandler);e.unbind(S,this._errorHandler);e.unbind(O,this._loadCompletedHandler)}},_dataSource:function(e){var t=this,i=t.options,r=i.dataSource;function n(e){for(var t=0;t<e.length;t++){e[t]._initChildren();e[t].children.fetch();n(e[t].children.view())}}r=u(r)?{data:r}:r;t._unbindDataSource();if(!r.fields)r.fields=[{field:"text"},{field:"url"},{field:"spriteCssClass"},{field:"imageUrl"}];t.dataSource=r=v.create(r);if(e){r.fetch();n(r.view())}t._bindDataSource()},events:[T,I,D,A,B,H,"expand","collapse",x,y,C,b,"kendoKeydown"],options:{name:"TreeView",dataSource:{},animation:{expand:{effects:"expand:vertical",duration:200},collapse:{duration:100}},messages:{loading:"Loading...",requestFailed:"Request failed.",retry:"Retry"},dragAndDrop:false,checkboxes:false,autoBind:true,autoScroll:false,loadOnDemand:true,template:"",dataTextField:null,size:"medium"},_accessors:function(){var e=this,t=e.options,i,r,n,a=e.element;for(i in X){r=t[X[i]];n=a.attr(k.attr(i+"-field"));if(!r&&n)r=n;if(!r)r=i;if(!u(r))r=[r];t[X[i]]=r}},_fieldAccessor:function(e){var t=this.options[X[e]],i=t.length,r="(function(item) {";if(i===0)r+="return item['"+e+"'];";else{r+="var levels = ["+m.map(t,function(e){return"function(d){ return "+k.expr(e)+"}"}).join(",")+"];";r+="return levels[Math.min(item.level(), "+i+"-1)](item)"}r+="})";return r},setOptions:function(e){f.fn.setOptions.call(this,e);this._animation();this._dragging();this._templates()},_trigger:function(e,t){return this.trigger(e,{node:t.closest(s)[0]})},_setChecked:function(e,t){if(!e||!k.isFunction(e.view))return;for(var i=0,r=e.view();i<r.length;i++){if(r[i].enabled!==false)this._setCheckedValue(r[i],t);if(r[i].children)this._setChecked(r[i].children,t)}},_setCheckedValue:function(e,t){e[h]=t},_setIndeterminate:function(e){var t=_(e),i,r,n=true,a;if(!t.length)return;i=Z(t.children());r=i.length;if(!r)return;else if(r>1){for(a=1;a<r;a++)if(i[a].checked!=i[a-1].checked||i[a].indeterminate||i[a-1].indeterminate){n=false;break}}else n=!i[0].indeterminate;e.attr(j,n?i[0].checked:"mixed");return Z(e).data(p,!n).prop(p,!n).prop(h,n&&i[0].checked)},updateIndeterminate:function(e){e=e||this.wrapper;var t=_(e).children();var i;var r;var n;if(t.length){for(i=0;i<t.length;i++)this.updateIndeterminate(t.eq(i));if(e.is(".k-treeview"))return;r=this._setIndeterminate(e);n=this.dataItem(e);if(r&&r.prop(h))n.checked=true;else if(n)delete n.checked}},_bubbleIndeterminate:function(e,t){if(!e.length)return;if(!t)this.updateIndeterminate(e);var i=this.parent(e),r;if(i.length){this._setIndeterminate(i);r=i.children("div").find(".k-checkbox-wrapper input[type=checkbox]");this._skip=true;if(r.prop(p)===false)this.dataItem(i).set(h,r.prop(h));else this.dataItem(i).set(h,false);this._skip=false;this._bubbleIndeterminate(i,true)}},_checkboxChange:function(e){var t=this;var i=m(e.target);var r=i.prop(h);var n=i.closest(s);var a=this.dataItem(n);if(this._preventChange)return;if(a.checked!=r){a.set(h,r);n.attr(j,r);this._trigger(b,n)}if(i.is(":focus")){t._trigger(C,n);t.focus()}},_toggleButtonClick:function(e){var t=m(e.currentTarget).closest(s);if(t.is("[aria-disabled='true']"))return;this.toggle(t)},_mousedown:function(e){var t=this;var i=m(e.currentTarget);var r=m(e.currentTarget).closest(s);var n=k.support.browser;if(r.is("[aria-disabled='true']"))return;if((n.msie||n.edge)&&i.is(":checkbox"))if(i.prop(p)){t._preventChange=false;i.prop(h,!i.prop(h));i.trigger(y);i.on(U+a,function(e){e.preventDefault()});t._preventChange=true}else{i.off(U+a);t._preventChange=false}t._clickTarget=r;t.current(r)},_focusable:function(e){return e&&e.length&&e.is(":visible")&&!e.find(".k-in").first().hasClass(G)},_focus:function(){var e=this.select(),t=this._clickTarget;if(k.support.touch)return;if(t&&t.length)e=t;if(!this._focusable(e))e=this.current();if(!this._focusable(e))e=this._nextVisible(m());this.current(e)},focus:function(){var e=this.wrapper,t=e[0],i=[],r=[],n=document.documentElement,a;do{t=t.parentNode;if(t.scrollHeight>t.clientHeight){i.push(t);r.push(t.scrollTop)}}while(t!=n);k.focusElement(e);for(a=0;a<i.length;a++)i[a].scrollTop=r[a]},_blur:function(){this.current().find(".k-in").first().removeClass("k-focus")},_enabled:function(e){return!e.children("div").children(".k-in").hasClass(G)},parent:function(e){var t=/\bk-treeview\b(?!-)/,i=/\bk-item\b/,r,n;if(typeof e==F)e=this.element.find(e);if(!z(e))e=e[0];n=i.test(e.className);do{e=e.parentNode;if(i.test(e.className))if(n)r=e;else n=true}while(!t.test(e.className)&&!r);return m(r)},_nextVisible:function(e){var t=this,i=t._expanded(e),r;function n(e){while(e.length&&!e.next().length)e=t.parent(e);if(e.next().length)return e.next();else return e}if(!e.length||!e.is(":visible"))r=t.root.children().eq(0);else if(i){r=_(e).children().first();if(!r.length)r=n(e)}else r=n(e);return r},_previousVisible:function(e){var t=this,i,r;if(!e.length||e.prev().length){if(e.length)r=e.prev();else r=t.root.children().last();while(t._expanded(r)){i=_(r).children().last();if(!i.length)break;r=i}}else r=t.parent(e)||e;return r},_keydown:function(e){var t=this,i=e.keyCode,r,n=t.current(),a=t._expanded(n),s=n.find(".k-checkbox-wrapper").first().find(":checkbox"),o=k.support.isRtl(t.element);if(e.target!=e.currentTarget)return;if(!o&&i==d.RIGHT||o&&i==d.LEFT){if(a)r=t._nextVisible(n);else if(!n.find(".k-in").first().hasClass(G))t.expand(n)}else if(!o&&i==d.LEFT||o&&i==d.RIGHT)if(a&&!n.find(".k-in").first().hasClass(G))t.collapse(n);else{r=t.parent(n);if(!t._enabled(r))r=c}else if(i==d.DOWN)r=t._nextVisible(n);else if(i==d.UP)r=t._previousVisible(n);else if(i==d.HOME)r=t._nextVisible(m());else if(i==d.END)r=t._previousVisible(m());else if(i==d.ENTER&&!n.find(".k-in").first().hasClass(G)){if(!n.find(".k-in").first().hasClass("k-selected"))if(!t._trigger(x,n))t.select(n)}else if(i==d.SPACEBAR&&s.length){if(!n.find(".k-in").first().hasClass(G)){s.prop(h,!s.prop(h)).data(p,false).prop(p,false);t._checkboxChange({target:s})}r=n}if(r){e.preventDefault();if(n[0]!=r[0]){t._trigger(C,r);t.current(r)}}},_keypress:function(e){var t=this;var i=300;var r=t.current().get(0);var n;var a=e.key;var s=a.length===1;if(!s)return;if(!t._match)t._match="";t._match+=a;clearTimeout(t._matchTimer);t._matchTimer=setTimeout(function(){t._match=""},i);n=r&&t._matchNextByText(Array.prototype.indexOf.call(t.element.find(".k-item"),r),t._match);if(!n.length)n=t._matchNextByText(-1,t._match);if(n.get(0)&&n.get(0)!==r){t._trigger(C,n);t.current(n)}},_matchNextByText:function(i,r){var e=this.element;var t=e.find(".k-in").filter(function(e,t){return e>i&&m(t).is(":visible")&&m(t).text().toLowerCase().indexOf(r)===0});return t.eq(0).closest(s)},_click:function(e){var t=this,i=m(e.currentTarget),r=W(i.closest(s)),n=i.attr("href"),a;if(n)a=n=="#"||n.indexOf("#"+this.element.id+"-")>=0;else 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