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n=this;if(!t||!t.length)return!1;t.forEach((function(t){t.visible=e,n.store.filtered&&!t.filtered&&e&&(t.visible=!1),t.children&&!e&&(t.expanded=!1,n.recursionVisible(t.children,e))}))}},{key:"updateLeafState",value:function(){var t=this.store,e=t.props,n=t.lazy,r=t.load;if(e&&"undefined"!==typeof e.isLeaf){var o=this.getPropertyFromData(this,"isLeaf");"boolean"===typeof o&&(this.isLeaf=o)}else(!n||n&&r&&"function"===typeof r&&this.loaded)&&(this.children&&this.children.length?this.isLeaf=!1:this.isLeaf=!0)}},{key:"getPropertyFromData",value:function(t,e){var n=t.store.props,r=t.data,o=void 0===r?{}:r,i=n[e];if("function"===typeof i)return i(o,t);if("string"===typeof i)return o[i];if("undefined"===typeof i){var a=o[e];return void 0===a?"":a}}}]),t}(),dt=function t(){u(this,t),this.filtered=!1,this.currentNode=null,this.data=null,this.lazy=!1,this.defaultExpandAll=!1,this.autoExpandParent=!1,this.defaultExpandedKeys=[]},lt=function(t){l(n,t);var e=g(n);function n(t){var r;return 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e.id===t.id}));return e}return-1}},{key:"getNode",value:function(t){var e=this;if(t instanceof st)return-1===this.root.findIndex((function(e){return e.id===t.id}))?null:t;var n=null;return n=this.key?"object"!==v(t)?this.root.find((function(n){return n.data[e.key]===t})):this.root.find((function(n){return n.data[e.key]===t[e.key]})):"object"!==v(t)?this.root.find((function(e){return e.id===t})):this.root.find((function(e){return e.id===t.$treeNodeId})),n}},{key:"getNodeParent",value:function(t){if(t.parent){var e=this.getNodeIndex(t.parent);return{node:t.parent,index:e}}return{node:null,index:-1}}},{key:"getNodeLastChild",value:function(t){var e=this.getNodeIndex(t);if(e<0)return null;if(t.children&&t.children.length){var n=t.children[t.children.length-1],r=this.getNodeIndex(n);return{node:n,index:r}}return{node:null,index:-1}}},{key:"toggleExpand",value:function(t){var e=this;if(this.getNode(t)){var n=t.expanded;if(t.children&&t.children.length)n?t.handleCollapse():t.handleExpand();else if(this.lazy&&this.load&&"function"===typeof this.load)if(n)t.handleCollapse();else{if(t.data[this.props.isLeaf])return;t.expanded=!0,t.loading=!0,this.load(t,(function(n){e.createChildren(t,n),t.loaded=!0,t.updateLeafState(),t.loading=!1}))}}}},{key:"createChildren",value:function(t,e){var n,r=this.getNodeIndex(t),o=this.flattenData(e,{parent:t,visible:t.expanded}),i=o?this.setChildren([t].concat(o)):[t],a=i.slice(1);(n=this.root).splice.apply(n,[r+1,0].concat(it(a))),t.children=a.length?i[0].children:[]}},{key:"append",value:function(t,e){var n=this.getNode(e);if(!n)return!1;var r=this.getNodeNextSibling(n)||{index:-1},o=r.index;-1===o&&(o=this.root.length),n.children||(n.children=[],n.data[this.props.children]=[]);var i=new st({data:t,label:t[this.props.label],store:this,parent:n,visible:n.expanded});return this.root.splice(o,0,i),n.data[this.props.children].push(t),n.children.push(i),i.updateLeafState(),n.updateLeafState(),!0}},{key:"insert",value:function(t,e,n){var r=e.parent,o=e.data,i=e.refNode,a=new st({data:o,label:o[this.props.label],store:this,parent:r,visible:!r||r.expanded});if(this.root.splice(t,0,a),a.updateLeafState(),r){var c=r.children.findIndex((function(t){return t.id===i.id})),u=r.data[this.props.children],f=u.findIndex((function(t){return i.id===t.$treeNodeId}));c>=0&&("prev"===n?(r.children.splice(c,0,a),u.splice(f,0,o)):"next"===n&&(r.children.splice(c+1,0,a),u.splice(f+1,0,o)))}}},{key:"insertBefore",value:function(t,e){var n=this.getNode(e);if(n){var r=this.getNodeParent(n)||{},o=this.getNodeIndex(n);this.insert(o,{data:t,parent:r.node||null,refNode:n},"prev")}}},{key:"insertAfter",value:function(t,e){var n=this.getNode(e);if(n){var r=this.getNodeParent(n)||{},o=this.getNodeNextSibling(n);if(o&&-1!==o.index)this.insert(o.index,{data:t,parent:r.node||null,refNode:n},"next");else{var i=this.root.length;this.insert(i,{data:t,parent:r.node||null,refNode:n},"next")}}}},{key:"remove",value:function(t){var e=this.getNode(t);if(!e)return!1;var n=this.getNodeParent(e),r=this.getNodeIndex(e),o=this.getNodeNextSibling(e);if(r<0)return!1;var i=1;if(i=o&&-1!==o.index?o.index-r:this.root.length-r+1,this.root.splice(r,i),n&&-1!==n.index){var a=n.node,c=a.children.findIndex((function(t){return t.id===e.id}));-1!==c&&a.children.splice(c,1);var u=a.data[this.props.children],f=u.findIndex((function(t){return e.id===t.$treeNodeId}));-1!==f&&u.splice(f,1),e===this.currentNode&&(this.currentNode=null),a.updateLeafState()}}},{key:"updateKeyChildren",value:function(t,e){var n;if(!this.key)throw new Error("[Tree] nodeKey is required in updateKeyChild");if(Array.isArray(e)){var r=this.getNode(t);if(r){r.visible&&(r.expanded=!0);var o=this.getNodeIndex(r);if(!(o<0)){for(var i=[],a=o+1,c=this.root.length;a<c;a+=1){if(!(this.root[a].level>r.level))break;i.push(this.root[a].id)}var u=this.flattenData(e,{parent:r,visible:r.expanded}),f=u?this.setChildren([r].concat(u)):[r],s=f.slice(1);(n=this.root).splice.apply(n,[o+1,i.length].concat(it(s))),r.children=s.length?f[0].children:[],r.data[this.props.children]=e,r.updateLeafState()}}}}},{key:"filter",value:function(t){var e=this,n=this.filterNodeMethod,r=[];this.filtered=!!t,this.root.forEach((function(e){if(e.visible=n(t,e.data,e),e.filtered=e.visible,e.visible){var o=function t(e){r.push(e.id),e.visible=!0,e.filtered=!0,e.children&&(e.expanded=!0),e.parent&&t(e.parent)};e.parent&&o(e.parent)}})),this.root.forEach((function(o){if(!r.includes(o.id)&&(o.visible=n(t,o.data,o),o.visible&&o.children&&o.children.length))for(var i=e.getNodeIndex(o),a=i+1,c=e.root.length;a<c;a+=1){if(r.push(e.root[a].id),!(e.root[a].level>o.level))break;e.root[a].visible=!0,e.root[a].filtered=!0,e.root[a].children&&e.root[a].children.length&&(e.root[a].expanded=!0)}}))}},{key:"setExpandedNode",value:function(){var t=this,e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.defaultExpandedKeys;if(this.key&&e&&e.length){var n=[];e.forEach((function(e){var r=t.getNode(e);if(r){var o=function e(r){n.includes(r.id)||(n.push(r.id),r.handleExpand(),t.autoExpandParent&&r.parent&&e(r.parent))};o(r)}}))}}},{key:"getCurrentNode",value:function(){return this.currentNode}},{key:"getCurrentKey",value:function(){if(!this.key)throw new Error("[Tree] nodeKey is required in getCurrentKey");return this.currentNode?this.currentNode.data[this.key]:null}},{key:"setCurrentNode",value:function(t){if(!t)return this.currentNode.isCurrent=!1,void(this.currentNode=null);var e=this.getNode(t);if(e){var n=this.currentNode;n&&(n.isCurrent=!1),this.currentNode=e,this.currentNode.isCurrent=!0}}},{key:"setCurrentKey",value:function(t){if(!t)throw this.currentNode.isCurrent=!1,this.currentNode=null,new Error("[Tree] nodeKey is required in setCurrentKey");var e=this.getNode(t);this.setCurrentNode(e)}}]),n}(dt),pt=function(t){l(n,t);var e=g(n);function n(){var t;return u(this,n),t=e.apply(this,arguments),t.itemHeight=0,t.contentHeight=0,t.offset=0,t.visibleData=[],t.root=[],t}return s(n,[{key:"created",value:function(){this.isTree=!0}},{key:"onDataChange",value:function(t){var e=this,n=JSON.stringify(t),r=JSON.parse(n);this.store?this.store.setData(r):this.store=new lt({key:this.nodeKey,data:r,props:this.props,lazy:this.lazy,load:this.load,autoExpandParent:this.autoExpandParent,currentNodeKey:this.currentNodeKey,defaultExpandAll:this.defaultExpandAll,filterNodeMethod:this.filterNodeMethod,defaultExpandedKeys:this.defaultExpandedKeys,updateView:this.updateView}),this.root=this.store.root,this.$nextTick((function(){var t=e.$refs["buiTreeScroller"]||{};t.scrollTop=0;var n=e.$refs["infinite-tree-item-placeholder"]||{};e.itemHeight=n.offsetHeight||e.itemHeight,e.updateVisibleData(),e.getContentHeight()}))}},{key:"onRootChange",value:function(t){this.updateView()}},{key:"onExpandedKeysChange",value:function(){this.setExpandedNode()}},{key:"onCurrentNodeKeyChange",value:function(t){this.setCurrentKey(t)}},{key:"updateView",value:function(){this.getContentHeight(),this.handleScroll()}},{key:"handleScroll",value:function(){var t=this.$refs.buiTreeScroller.scrollTop;this.updateVisibleData(t)}},{key:"getContentHeight",value:function(){this.contentHeight=(this.root||[]).filter((function(t){return t.visible})).length*this.itemHeight}},{key:"updateVisibleData",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:0,e=Math.floor(t/this.itemHeight),n=e+this.renderCount,r=(this.root||[]).filter((function(t){return t.visible}));this.visibleData=r.slice(e,n),this.offset=e*this.itemHeight}},{key:"getNode",value:function(t){return this.store.getNode(t)}},{key:"append",value:function(t,e){this.store.append(t,e),this.updateView()}},{key:"insertBefore",value:function(t,e){this.store.insertBefore(t,e),this.updateView()}},{key:"insertAfter",value:function(t,e){this.store.insertAfter(t,e),this.updateView()}},{key:"remove",value:function(t){this.store.remove(t),this.updateView()}},{key:"updateKeyChildren",value:function(t,e){this.store.updateKeyChildren(t,e),this.updateView()}},{key:"filter",value:function(t){this.store.filter(t),this.updateView()}},{key:"setCurrentNode",value:function(t){this.store.setCurrentNode(t)}},{key:"setCurrentKey",value:function(t){this.store.setCurrentKey(t)}},{key:"getCurrentNode",value:function(){return this.store.getCurrentNode()}},{key:"getCurrentKey",value:function(){return this.store.getCurrentKey()}},{key:"setExpandedNode",value:function(){this.store.setExpandedNode(this.defaultExpandedKeys),this.updateView()}},{key:"isEmpty",get:function(){return!this.visibleData.length}}]),n}(S.a);x([B({type:Array,default:function(){return[]}})],pt.prototype,"data",void 0),x([B({type:Object,default:function(){return{children:"children",label:"label",disabled:"disabled"}}})],pt.prototype,"props",void 0),x([B({type:String})],pt.prototype,"nodeKey",void 0),x([B({type:Number,default:100})],pt.prototype,"renderCount",void 0),x([B({type:Boolean,default:!1})],pt.prototype,"defaultExpandAll",void 0),x([B({type:Array,default:function(){return[]}})],pt.prototype,"defaultExpandedKeys",void 0),x([B({type:Boolean,default:!1})],pt.prototype,"lazy",void 0),x([B({type:Boolean,default:!0})],pt.prototype,"expandOnClickNode",void 0),x([B({type:Boolean,default:!0})],pt.prototype,"autoExpandParent",void 0),x([B({type:Number,default:18})],pt.prototype,"indent",void 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