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