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import { useCallback, useRef } from 'react';
import ReactFlow, {
Background,
Controls,
MiniMap,
ReactFlowProvider,
Panel,
useReactFlow
} from 'reactflow';
import 'reactflow/dist/style.css';
import useFlowStore from './store/flowStore';
import LLMNode from './components/nodes/LLMNode';
import Sidebar from './components/Sidebar';
import { Plus } from 'lucide-react';
const nodeTypes = {
llmNode: LLMNode,
};
function Flow() {
const {
nodes,
edges,
onNodesChange,
onEdgesChange,
onConnect,
addNode,
setSelectedNode
} = useFlowStore();
const reactFlowWrapper = useRef<HTMLDivElement>(null);
const { project } = useReactFlow();
const handleAddNode = () => {
const id = `node_${Date.now()}`;
addNode({
id,
type: 'llmNode',
position: { x: Math.random() * 400, y: Math.random() * 400 },
data: {
label: 'New Question',
model: 'gpt-4o',
temperature: 0.7,
systemPrompt: '',
userPrompt: '',
mergeStrategy: 'smart',
messages: [],
traces: [],
outgoingTraces: [],
forkedTraces: [],
response: '',
status: 'idle',
inputs: 1
},
});
};
const onNodeClick = (_: any, node: any) => {
setSelectedNode(node.id);
};
const onPaneClick = () => {
setSelectedNode(null);
};
const onPaneContextMenu = (event: React.MouseEvent) => {
event.preventDefault();
const bounds = reactFlowWrapper.current?.getBoundingClientRect();
if (!bounds) return;
const position = project({
x: event.clientX - bounds.left,
y: event.clientY - bounds.top
});
const id = `node_${Date.now()}`;
addNode({
id,
type: 'llmNode',
position,
data: {
label: 'New Question',
model: 'gpt-4o',
temperature: 0.7,
systemPrompt: '',
userPrompt: '',
mergeStrategy: 'smart',
messages: [],
traces: [],
outgoingTraces: [],
forkedTraces: [],
response: '',
status: 'idle',
inputs: 1
},
});
};
return (
<div style={{ width: '100vw', height: '100vh', display: 'flex' }}>
<div style={{ flex: 1, height: '100%' }} ref={reactFlowWrapper}>
<ReactFlow
nodes={nodes}
edges={edges}
onNodesChange={onNodesChange}
onEdgesChange={onEdgesChange}
onConnect={onConnect}
nodeTypes={nodeTypes}
onNodeClick={onNodeClick}
onPaneClick={onPaneClick}
onPaneContextMenu={onPaneContextMenu} // Use Right Click to add node for now
fitView
>
<Background color="#aaa" gap={16} />
<Controls />
<MiniMap />
<Panel position="top-left">
<button
onClick={handleAddNode}
className="bg-white px-4 py-2 rounded-md shadow-md font-medium text-gray-700 hover:bg-gray-50 flex items-center gap-2"
>
<Plus size={16} /> Add Block
</button>
</Panel>
</ReactFlow>
</div>
<Sidebar />
</div>
);
}
export default function App() {
return (
<ReactFlowProvider>
<Flow />
</ReactFlowProvider>
);
}
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