@progress/kendo-react-treeview
Version:
React TreeView displays hierarchical data in a traditional tree structure, supports user interaction. KendoReact TreeView package
9 lines (8 loc) • 1.59 kB
JavaScript
/**
* @license
*-------------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the package root for more information
*-------------------------------------------------------------------------------------------
*/
"use strict";Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});const i=require("./utils/consts.js"),s=6;class r{constructor(t){this.event=t,this.initialized=!1,this.destItemId="",this.destTreeViewGuid="",this.itemId=t.itemHierarchicalIndex,this.treeViewGuid=t.target.guid}init(){return this.initialized||(this.setDestimationMeta(document.elementFromPoint(this.event.clientX,this.event.clientY)),this.initialized=!0),this}get isDropAllowed(){return this.initialized&&this.destItemId&&this.destTreeViewGuid?!`${this.destTreeViewGuid}_${this.destItemId}_`.startsWith(`${this.treeViewGuid}_${this.itemId}_`):!1}get destinationMeta(){return{itemHierarchicalIndex:this.destItemId,treeViewGuid:this.destTreeViewGuid}}getDropOperation(){if(this.initialized&&this.isDropAllowed){const{top:t,height:e}=this.destDomNodeWithMeta.getBoundingClientRect();return t+e-this.event.clientY<s?"after":this.event.clientY-t<s?"before":"child"}}setDestimationMeta(t){let e=t;for(;e&&!e[i.DOM_KENDO_ITEM_ID_FIELD];)e=e.parentNode;e&&e[i.DOM_KENDO_ITEM_ID_FIELD]&&(this.destDomNodeWithMeta=e,this.destItemId=e[i.DOM_KENDO_ITEM_ID_FIELD],this.destTreeViewGuid=e[i.DOM_KENDO_TREEVIEW_GUID_FIELD])}}exports.TreeViewDragAnalyzer=r;