export pipeline button added and completed

web/package-lock.json

@@ -22,7 +22,9 @@
         "@types/papaparse": "^5.3.16",
         "@xyflow/react": "^12.7.1",
         "ajv": "^8.17.1",
+        "dagre": "^0.8.5",
         "eslint": "^8.57.1",
+        "html-to-image": "^1.11.13",
         "pako": "^2.1.0",
         "papaparse": "^5.5.2",
         "react": "^18.3.1",
@@ -33,6 +35,7 @@
         "web-vitals": "^2.1.4"
       },
       "devDependencies": {
+        "@types/dagre": "^0.7.53",
         "@types/react": "^18.3.23",
         "@types/react-dom": "^18.3.7",
         "@types/tabulator-tables": "^6.2.6",
@@ -3862,6 +3865,13 @@
         "@types/d3-selection": "*"
       }
     },
+    "node_modules/@types/dagre": {
+      "version": "0.7.53",
+      "resolved": "https://registry.npmjs.org/@types/dagre/-/dagre-0.7.53.tgz",
+      "integrity": "sha512-f4gkWqzPZvYmKhOsDnhq/R8mO4UMcKdxZo+i5SCkOU1wvGeHJeUXGIHeE9pnwGyPMDof1Vx5ZQo4nxpeg2TTVQ==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/eslint": {
       "version": "8.56.12",
       "resolved": "https://registry.npmjs.org/@types/eslint/-/eslint-8.56.12.tgz",
@@ -6804,6 +6814,16 @@
         "node": ">=12"
       }
     },
+    "node_modules/dagre": {
+      "version": "0.8.5",
+      "resolved": "https://registry.npmjs.org/dagre/-/dagre-0.8.5.tgz",
+      "integrity": "sha512-/aTqmnRta7x7MCCpExk7HQL2O4owCT2h8NT//9I1OQ9vt29Pa0BzSAkR5lwFUcQ7491yVi/3CXU9jQ5o0Mn2Sw==",
+      "license": "MIT",
+      "dependencies": {
+        "graphlib": "^2.1.8",
+        "lodash": "^4.17.15"
+      }
+    },
     "node_modules/damerau-levenshtein": {
       "version": "1.0.8",
       "resolved": "https://registry.npmjs.org/damerau-levenshtein/-/damerau-levenshtein-1.0.8.tgz",
@@ -9156,6 +9176,15 @@
       "integrity": "sha512-EtKwoO6kxCL9WO5xipiHTZlSzBm7WLT627TqC/uVRd0HKmq8NXyebnNYxDoBi7wt8eTWrUrKXCOVaFq9x1kgag==",
       "license": "MIT"
     },
+    "node_modules/graphlib": {
+      "version": "2.1.8",
+      "resolved": "https://registry.npmjs.org/graphlib/-/graphlib-2.1.8.tgz",
+      "integrity": "sha512-jcLLfkpoVGmH7/InMC/1hIvOPSUh38oJtGhvrOFGzioE1DZ+0YW16RgmOJhHiuWTvGiJQ9Z1Ik43JvkRPRvE+A==",
+      "license": "MIT",
+      "dependencies": {
+        "lodash": "^4.17.15"
+      }
+    },
     "node_modules/gzip-size": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-6.0.0.tgz",
@@ -9391,6 +9420,12 @@
         "node": ">=12"
       }
     },
+    "node_modules/html-to-image": {
+      "version": "1.11.13",
+      "resolved": "https://registry.npmjs.org/html-to-image/-/html-to-image-1.11.13.tgz",
+      "integrity": "sha512-cuOPoI7WApyhBElTTb9oqsawRvZ0rHhaHwghRLlTuffoD1B2aDemlCruLeZrUIIdvG7gs9xeELEPm6PhuASqrg==",
+      "license": "MIT"
+    },
     "node_modules/html-webpack-plugin": {
       "version": "5.6.3",
       "resolved": "https://registry.npmjs.org/html-webpack-plugin/-/html-webpack-plugin-5.6.3.tgz",

web/package.json

@@ -17,7 +17,9 @@
     "@types/papaparse": "^5.3.16",
     "@xyflow/react": "^12.7.1",
     "ajv": "^8.17.1",
+    "dagre": "^0.8.5",
     "eslint": "^8.57.1",
+    "html-to-image": "^1.11.13",
     "pako": "^2.1.0",
     "papaparse": "^5.5.2",
     "react": "^18.3.1",
@@ -58,6 +60,7 @@
     ]
   },
   "devDependencies": {
+    "@types/dagre": "^0.7.53",
     "@types/react": "^18.3.23",
     "@types/react-dom": "^18.3.7",
     "@types/tabulator-tables": "^6.2.6",

web/src/components/CaseBuilder/PipelineBlock.tsx

@@ -1,13 +1,17 @@
 import React, { useEffect, useCallback, useRef } from 'react';
 import dagre from 'dagre';
 import {
-  ReactFlow, useNodesState, useEdgesState, Background,
-  Controls, Node, Edge, Connection, MarkerType } from '@xyflow/react';
+  ReactFlow,ReactFlowProvider, useNodesState, useEdgesState, Background,
+  Controls, Node, Edge, Connection, MarkerType, 
+  getNodesBounds,
+  getViewportForBounds,
+  useReactFlow} from '@xyflow/react';
 import { CircularPlant, CircularProduct, CircularCenter } from './CircularData';
 import CustomNode, { CustomNodeData } from './NodesAndEdges';
 import Section from '../Common/Section';
 import Card from '../Common/Card';
 import styles from './PipelineBlock.module.css';
+import { toPng } from 'html-to-image';
 
 interface PipelineBlockProps {
   onAddPlant: () => void;
@@ -52,6 +56,9 @@ function getLayouted(
 }
 const PipelineBlock: React.FC<PipelineBlockProps> = props => {
   const mapRef = useRef<Record<string, 'plant'|'product'|'center'>>({});
+
+  const flowWrapper = useRef<HTMLDivElement>(null);
+
   const [nodes, setNodes, onNodesChange] = useNodesState([]);
   const [edges, setEdges, onEdgesChange] = useEdgesState([]);
  
@@ -185,6 +192,23 @@ const PipelineBlock: React.FC<PipelineBlockProps> = props => {
     if (n.data.type==='product') props.onRenameProduct(uniqueId, newName);
     if (n.data.type==='center') props.onRenameCenter(uniqueId, newName);
   };
+  function DownloadButton() {
+    const onDownload = async () => {
+      if (!flowWrapper.current) return;
+      const node = flowWrapper.current;
+      const { width, height } = node.getBoundingClientRect();
+      const dataUrl = await toPng(node, {
+        backgroundColor: '#fff',
+        width: Math.round(width),
+        height: Math.round(height)
+      });
+      const downloadLink = document.createElement('a');
+      downloadLink.href = dataUrl;
+      downloadLink.download = 'pipeline.png';
+      downloadLink.click();
+    };
+    return <button style={{ margin: '0 8px' }} onClick={onDownload}>Export Pipeline</button>;
+  };
  
   const onLayout = () => {
     const { nodes: ln, edges: le } = getLayouted(nodes, edges);
@@ -200,8 +224,10 @@ const PipelineBlock: React.FC<PipelineBlockProps> = props => {
 <>
 <Section title="Pipeline" />
 <Card>
-<div className={styles.PipelineBlock}>
+<ReactFlowProvider>
+<div ref={flowWrapper} className={styles.PipelineBlock} style={{ width: '100%', height: 600 }}>
 <ReactFlow
+
 nodes={nodes}
 edges={edges}
 onNodesChange={onNodesChange}
@@ -221,17 +247,22 @@ const PipelineBlock: React.FC<PipelineBlockProps> = props => {
 <Controls showInteractive={false} />
 </ReactFlow>
 </div>
+ 
 <div style={{ textAlign: 'center', marginTop: '1rem' }}>
 <button style={{ margin: '0 8px' }} onClick={props.onAddProduct}>Add product</button>
 <button style={{ margin: '0 8px' }} onClick={props.onAddPlant}>Add plant</button>
 <button style={{ margin: '0 8px' }} onClick={props.onAddCenter}>Add center</button>
 <button style={{ margin: '0 8px' }} onClick={onLayout}>Auto Layout</button>
-<button title="Drag & connect. Double-click to rename. Delete to remove." style={{ margin: '0 8px' }}>?</button>
+<DownloadButton />
+<button style={{ margin: '0 8px' }} title="Drag & connect. Double-click to rename. Delete to remove.">?</button>
+
 </div>
+</ReactFlowProvider>
 </Card>
 </>
 
   );
+
 };
  
 export default PipelineBlock;