!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.SlVueTree=t():e.SlVueTree=t()}(window,(function(){return function(e){var t={};function n(r){if(t[r])return t[r].exports;var i=t[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,n),i.l=!0,i.exports}return n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)n.d(r,i,function(t){return e[t]}.bind(null,i));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=0)}([function(e,t,n){"use strict";function r(e){return function(e){if(Array.isArray(e)){for(var t=0,n=new Array(e.length);t<e.length;t++)n[t]=e[t];return n}}(e)||function(e){if(Symbol.iterator in Object(e)||"[object Arguments]"===Object.prototype.toString.call(e))return Array.from(e)}(e)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance")}()}n.r(t);var i={name:"sl-vue-tree",props:{value:{type:Array,default:function(){return[]}},edgeSize:{type:Number,default:3},showBranches:{type:Boolean,default:!1},level:{type:Number,default:0},parentInd:{type:Number},allowMultiselect:{type:Boolean,default:!0},allowToggleBranch:{type:Boolean,default:!0},multiselectKey:{type:[String,Array],default:function(){return["ctrlKey","metaKey"]},validator:function(e){var t=["ctrlKey","metaKey","altKey"],n=Array.isArray(e)?e:[e];return!!(n=n.filter((function(e){return-1!==t.indexOf(e)}))).length}},scrollAreaHeight:{type:Number,default:70},maxScrollSpeed:{type:Number,default:20}},data:function(){return{rootCursorPosition:null,scrollIntervalId:0,scrollSpeed:0,lastSelectedNode:null,mouseIsDown:!1,isDragging:!1,lastMousePos:{x:0,y:0},preventDrag:!1,currentValue:this.value}},mounted:function(){this.isRoot&&document.addEventListener("mouseup",this.onDocumentMouseupHandler)},beforeDestroy:function(){document.removeEventListener("mouseup",this.onDocumentMouseupHandler)},watch:{value:function(e){this.currentValue=e}},computed:{cursorPosition:function(){return this.isRoot?this.rootCursorPosition:this.getParent().cursorPosition},depth:function(){return this.gaps.length},nodes:function(){if(this.isRoot){var e=this.copy(this.currentValue);return this.getNodes(e)}return this.getParent().nodes[this.parentInd].children},gaps:function(){var 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r=t[e[n]];if(!(null==r.isExpanded||!!r.isExpanded))return!1;t=r.children}return!0},emitInput:function(e){this.currentValue=e,this.getRoot().$emit("input",e)},emitSelect:function(e,t){this.getRoot().$emit("select",e,t)},emitBeforeDrop:function(e,t,n){this.getRoot().$emit("beforedrop",e,t,n)},emitDrop:function(e,t,n){this.getRoot().$emit("drop",e,t,n)},emitToggle:function(e,t){this.getRoot().$emit("toggle",e,t)},emitNodeClick:function(e,t){this.getRoot().$emit("nodeclick",e,t)},emitNodeDblclick:function(e,t){this.getRoot().$emit("nodedblclick",e,t)},emitNodeContextmenu:function(e,t){this.getRoot().$emit("nodecontextmenu",e,t)},onExternalDragoverHandler:function(e,t){t.preventDefault();var n=this.getRoot(),r=n.getCursorPositionFromCoords(t.clientX,t.clientY);n.setCursorPosition(r),n.$emit("externaldragover",r,t)},onExternalDropHandler:function(e,t){var n=this.getRoot(),r=n.getCursorPositionFromCoords(t.clientX,t.clientY);n.$emit("externaldrop",r,t),this.setCursorPosition(null)},select:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]&&arguments[1],r=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null,i=Array.isArray(this.multiselectKey)?this.multiselectKey:[this.multiselectKey],o=r&&!!i.find((function(e){return r[e]}));n=(o||n)&&this.allowMultiselect;var s=this.getNode(e);if(!s)return null;var l=this.copy(this.currentValue),a=this.allowMultiselect&&r&&r.shiftKey&&this.lastSelectedNode,u=[],c=!1;return 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u=this.getCursorPositionFromCoords(e.clientX,e.clientY),c=u.node,d=u.placement;if(r&&!c.isSelected&&this.select(c.path,!1,e),this.getDraggable().length){this.isDragging=n,this.setCursorPosition({node:c,placement:d});var h=o.bottom-this.scrollAreaHeight,f=(e.clientY-h)/(o.bottom-h),g=o.top+this.scrollAreaHeight,p=(g-e.clientY)/(g-o.top);f>0?this.startScroll(f):p>0?this.startScroll(-p):this.stopScroll()}else this.preventDrag=!0}}}else this.getRoot().onMousemoveHandler(e)},getCursorPositionFromCoords:function(e,t){var n,r,i=document.elementFromPoint(e,t),o=i.getAttribute("path")?i:this.getClosetElementWithPath(i);if(o){if(!o)return;n=this.getNode(JSON.parse(o.getAttribute("path")));var s=o.offsetHeight,l=this.edgeSize,a=t-o.getBoundingClientRect().top;r=n.isLeaf?a>=s/2?"after":"before":a<=l?"before":a>=s-l?"after":"inside"}else{var 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t=this,n=this.getRoot().$el;this.scrollSpeed!==e&&(this.scrollIntervalId&&this.stopScroll(),this.scrollSpeed=e,this.scrollIntervalId=setInterval((function(){n.scrollTop+=t.maxScrollSpeed*e}),20))},stopScroll:function(){clearInterval(this.scrollIntervalId),this.scrollIntervalId=0,this.scrollSpeed=0},onDocumentMouseupHandler:function(e){this.isDragging&&this.onNodeMouseupHandler(e)},onNodeMouseupHandler:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(0===e.button)if(this.isRoot)if(this.mouseIsDown=!1,this.isDragging||!t||this.preventDrag||this.select(t.path,!1,e),this.preventDrag=!1,this.cursorPosition){var n=this.getDraggable(),r=!0,i=!1,o=void 0;try{for(var s,l=n[Symbol.iterator]();!(r=(s=l.next()).done);r=!0){var a=s.value;if(a.pathStr==this.cursorPosition.node.pathStr)return void this.stopDrag();if(this.checkNodeIsParent(a,this.cursorPosition.node))return void this.stopDrag()}}catch(e){i=!0,o=e}finally{try{r||null==l.return||l.return()}finally{if(i)throw o}}var u=this.copy(this.currentValue),c=[],d=!0,h=!1,f=void 0;try{for(var g,p=n[Symbol.iterator]();!(d=(g=p.next()).done);d=!0){var v=g.value,m=this.getNodeSiblings(u,v.path),S=m[v.ind];c.push(S)}}catch(e){h=!0,f=e}finally{try{d||null==p.return||p.return()}finally{if(h)throw f}}var y=!1;if(this.emitBeforeDrop(n,this.cursorPosition,(function(){return y=!0})),y)this.stopDrag();else{for(var b=[],_=0;_<c.length;_++){var C=c[_];b.push(this.copy(C)),C._markToDelete=!0}this.insertModels(this.cursorPosition,b,u),this.traverseModels((function(e,t,n){e._markToDelete&&t.splice(n,1)}),u),this.lastSelectedNode=null,this.emitInput(u),this.emitDrop(n,this.cursorPosition,e),this.stopDrag()}}else this.stopDrag();else this.getRoot().onNodeMouseupHandler(e,t)},onToggleHandler:function(e,t){this.allowToggleBranch&&(this.updateNode(t.path,{isExpanded:!t.isExpanded}),this.emitToggle(t,e),e.stopPropagation())},stopDrag:function(){this.isDragging=!1,this.mouseIsDown=!1,this.setCursorPosition(null),this.stopScroll()},getParent:function(){return this.$parent},getRoot:function(){return this.isRoot?this:this.getParent().getRoot()},getNodeSiblings:function(e,t){return 1===t.length?e:this.getNodeSiblings(e[t[0]].children,t.slice(1))},updateNode:function(e,t){if(this.isRoot){var n=JSON.stringify(e),r=this.copy(this.currentValue);this.traverse((function(e,r){e.pathStr===n&&Object.assign(r,t)}),r),this.emitInput(r)}else this.getParent().updateNode(e,t)},getSelected:function(){var e=[];return this.traverse((function(t){t.isSelected&&e.push(t)})),e},getDraggable:function(){var e=[];return this.traverse((function(t){t.isSelected&&t.isDraggable&&e.push(t)})),e},traverse:function(e){var t=arguments.length>1&&void 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i=e.node,o=this.getNodeSiblings(n,i.path),s=o[i.ind];if("inside"===e.placement){var l;s.children=s.children||[],(l=s.children).unshift.apply(l,r(t))}else{var a="before"===e.placement?i.ind:i.ind+1;o.splice.apply(o,[a,0].concat(r(t)))}},insert:function(e,t){var n=Array.isArray(t)?t:[t],r=this.copy(this.currentValue);this.insertModels(e,n,r),this.emitInput(r)},checkNodeIsParent:function(e,t){var n=t.path;return JSON.stringify(n.slice(0,e.path.length))==e.pathStr},copy:function(e){return JSON.parse(JSON.stringify(e))}}},o=function(){var e=this,t=e.$createElement,n=e._self._c||t;return n("div",{staticClass:"sl-vue-tree",class:{"sl-vue-tree-root":e.isRoot},on:{mousemove:e.onMousemoveHandler,mouseleave:e.onMouseleaveHandler,dragend:function(t){e.onDragendHandler(null,t)}}},[n("div",{ref:"nodes",staticClass:"sl-vue-tree-nodes-list"},[e._l(e.nodes,(function(t,r){return n("div",{staticClass:"sl-vue-tree-node",class:{"sl-vue-tree-selected":t.isSelected}},[n("div",{staticClass:"sl-vue-tree-cursor sl-vue-tree-cursor_before",style:{visibility:e.cursorPosition&&e.cursorPosition.node.pathStr===t.pathStr&&"before"===e.cursorPosition.placement?"visible":"hidden","--depth":e.depth},on:{dragover:function(e){e.preventDefault()}}}),e._v(" "),n("div",{staticClass:"sl-vue-tree-node-item",class:{"sl-vue-tree-cursor-hover":e.cursorPosition&&e.cursorPosition.node.pathStr===t.pathStr,"sl-vue-tree-cursor-inside":e.cursorPosition&&"inside"===e.cursorPosition.placement&&e.cursorPosition.node.pathStr===t.pathStr,"sl-vue-tree-node-is-leaf":t.isLeaf,"sl-vue-tree-node-is-folder":!t.isLeaf},attrs:{path:t.pathStr},on:{mousedown:function(n){e.onNodeMousedownHandler(n,t)},mouseup:function(n){e.onNodeMouseupHandler(n,t)},contextmenu:function(n){e.emitNodeContextmenu(t,n)},dblclick:function(n){e.emitNodeDblclick(t,n)},click:function(n){e.emitNodeClick(t,n)},dragover:function(n){e.onExternalDragoverHandler(t,n)},drop:function(n){e.onExternalDropHandler(t,n)}}},[e._l(e.gaps,(function(e){return n("div",{staticClass:"sl-vue-tree-gap"})})),e._v(" "),e.level&&e.showBranches?n("div",{staticClass:"sl-vue-tree-branch"},[e._t("branch",[t.isLastChild?e._e():n("span",[e._v("\n            "+e._s(String.fromCharCode(9500))+e._s(String.fromCharCode(9472))+" \n          ")]),e._v(" "),t.isLastChild?n("span",[e._v("\n            "+e._s(String.fromCharCode(9492))+e._s(String.fromCharCode(9472))+" \n          ")]):e._e()],{node:t})],2):e._e(),e._v(" "),n("div",{staticClass:"sl-vue-tree-title"},[t.isLeaf?e._e():n("span",{staticClass:"sl-vue-tree-toggle",on:{click:function(n){e.onToggleHandler(n,t)}}},[e._t("toggle",[n("span",[e._v("\n             "+e._s(t.isLeaf?"":t.isExpanded?"-":"+")+"\n            ")])],{node:t})],2),e._v(" "),e._t("title",[e._v(e._s(t.title))],{node:t}),e._v(" "),!t.isLeaf&&0==t.children.length&&t.isExpanded?e._t("empty-node",null,{node:t}):e._e()],2),e._v(" "),n("div",{staticClass:"sl-vue-tree-sidebar"},[e._t("sidebar",null,{node:t})],2)],2),e._v(" "),t.children&&t.children.length&&t.isExpanded?n("sl-vue-tree",{attrs:{value:t.children,level:t.level,parentInd:r,allowMultiselect:e.allowMultiselect,allowToggleBranch:e.allowToggleBranch,edgeSize:e.edgeSize,showBranches:e.showBranches},on:{dragover:function(e){e.preventDefault()}},scopedSlots:e._u([{key:"title",fn:function(t){var n=t.node;return[e._t("title",[e._v(e._s(n.title))],{node:n})]}},{key:"toggle",fn:function(t){var r=t.node;return[e._t("toggle",[n("span",[e._v("\n             "+e._s(r.isLeaf?"":r.isExpanded?"-":"+")+"\n          ")])],{node:r})]}},{key:"sidebar",fn:function(t){var n=t.node;return[e._t("sidebar",null,{node:n})]}},{key:"empty-node",fn:function(t){var n=t.node;return[!n.isLeaf&&0==n.children.length&&n.isExpanded?e._t("empty-node",null,{node:n}):e._e()]}}])}):e._e(),e._v(" "),n("div",{staticClass:"sl-vue-tree-cursor sl-vue-tree-cursor_after",style:{visibility:e.cursorPosition&&e.cursorPosition.node.pathStr===t.pathStr&&"after"===e.cursorPosition.placement?"visible":"hidden","--depth":e.depth},on:{dragover:function(e){e.preventDefault()}}})],1)})),e._v(" "),e.isRoot?n("div",{directives:[{name:"show",rawName:"v-show",value:e.isDragging,expression:"isDragging"}],ref:"dragInfo",staticClass:"sl-vue-tree-drag-info"},[e._t("draginfo",[e._v("\n        Items: "+e._s(e.selectionSize)+"\n      ")])],2):e._e()],2)])};o._withStripped=!0;var s=function(e,t,n,r,i,o,s,l){var a=typeof(e=e||{}).default;"object"!==a&&"function"!==a||(e=e.default);var u,c="function"==typeof e?e.options:e;if(t&&(c.render=t,c.staticRenderFns=n,c._compiled=!0),r&&(c.functional=!0),o&&(c._scopeId=o),s?(u=function(e){(e=e||this.$vnode&&this.$vnode.ssrContext||this.parent&&this.parent.$vnode&&this.parent.$vnode.ssrContext)||"undefined"==typeof 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