| import React, { useRef, useEffect, useState } from "react"; | 
| import { Button, Drawer, Input, Switch } from 'antd'; | 
| import { initNodeData } from "../GraphConfig"; | 
|   | 
| const { TextArea } = Input; | 
|   | 
| export const GraphDrawerNode = ({ graphRef, isReady }) => { | 
|   | 
|     const [open, setOpen] = useState(false); | 
|     const [init, setInit] = useState(false); | 
|     const [nodeData, setNodeData] = useState(null); | 
|     const [codeContent, setCodeContent] = useState(null); | 
|   | 
|     const showNodeDrawer = (graph, node) => { | 
|         if (node.data.type == null || node.data.type == "none") { | 
|             setOpen(true); | 
|             setNodeData(node); | 
|             if (node.data == null) { | 
|                 node.data = initNodeData; | 
|             } | 
|   | 
|             if (node.data.codeContent != null) { | 
|                 setCodeContent(node.data.codeContent); | 
|             } | 
|         } | 
|     }; | 
|   | 
|     const onNodeClose = (e) => { | 
|         setOpen(false); | 
|         setNodeData(null); | 
|         setCodeContent(null); | 
|     }; | 
|   | 
|     const nodeTextAreaChange = (e) => { | 
|         setCodeContent(e.target.value); | 
|         nodeData.data.codeContent = e.target.value; | 
|     } | 
|   | 
|     const nodeDataInputChange = (e) => { | 
|         nodeData.label = e.target.value; | 
|     } | 
|   | 
|     useEffect(() => { | 
|         if (isReady) { | 
|             const graph = graphRef.current; | 
|   | 
|             if (!init) { | 
|                 graph.on("node:dblclick", ({ node }) => { | 
|                     showNodeDrawer(graph, node); | 
|                 }) | 
|                 setInit(true); | 
|             } | 
|         } | 
|     }) | 
|   | 
|     if (nodeData) { | 
|         return ( | 
|             <> | 
|                 <Drawer title={nodeData.label} onClose={onNodeClose} open={open} size="large"> | 
|                     <div className="graphDrawerContainer"> | 
|                         <div>ID:{nodeData.id}</div> | 
|                         <div>组件名:<Input defaultValue={nodeData.label} onChange={nodeDataInputChange} /></div> | 
|                         <div>根节点:<Switch checkedChildren="是" unCheckedChildren="否" checked={nodeData.data.root} /></div> | 
|                         <div>可执行代码:</div> | 
|                         <TextArea value={codeContent} onChange={nodeTextAreaChange} rows={10} /> | 
|                     </div> | 
|                 </Drawer> | 
|             </> | 
|         ); | 
|     } | 
| } |