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feat(ui): Implement drag and drop logic
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| import React from "react" | ||
| import { Handle, NodeProps, Position } from "reactflow" | ||
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| import { | ||
| ChevronsDownIcon, | ||
| CircleIcon, | ||
| GanttChartIcon, | ||
| PlayIcon, | ||
| TestTubeIcon, | ||
| } from "lucide-react" | ||
| import { Button } from "@/components/ui/button" | ||
| import { | ||
| Card, | ||
| CardContent, | ||
| CardDescription, | ||
| CardHeader, | ||
| CardTitle, | ||
| } from "@/components/ui/card" | ||
| import { | ||
| DropdownMenu, | ||
| DropdownMenuContent, | ||
| DropdownMenuItem, | ||
| DropdownMenuTrigger, | ||
| } from "@/components/ui/dropdown-menu" | ||
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|
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| export interface ActionNodeData { | ||
| title: string | ||
| name: string | ||
| status: "online" | "error" | "offline" | ||
| numberOfEvents: number | ||
| // Generic metadata | ||
| } | ||
|
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| const handleStyle = { width: 8, height: 8 } | ||
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| export default React.memo(function ActionNode({ | ||
| data: { title, name, status, numberOfEvents }, | ||
| }: NodeProps<ActionNodeData>) { | ||
| return ( | ||
| <Card> | ||
| <CardHeader className="grid grid-cols-[1fr_110px] items-start gap-4 space-y-0"> | ||
| <div className="space-y-1"> | ||
| <CardTitle>{title}</CardTitle> | ||
| <CardDescription>{name}</CardDescription> | ||
| </div> | ||
| <div className="flex items-center space-x-1 rounded-md bg-secondary text-secondary-foreground"> | ||
| <DropdownMenu> | ||
| <DropdownMenuTrigger asChild> | ||
| <Button variant="secondary" className="px-2 shadow-none"> | ||
| <ChevronsDownIcon className="h-4 w-4 text-secondary-foreground" /> | ||
| </Button> | ||
| </DropdownMenuTrigger> | ||
| <DropdownMenuContent | ||
| align="end" | ||
| alignOffset={-5} | ||
| className="w-[200px]" | ||
| forceMount | ||
| > | ||
| <DropdownMenuItem> | ||
| <PlayIcon className="mr-2 h-4 w-4" /> Run | ||
| </DropdownMenuItem> | ||
| <DropdownMenuItem> | ||
| <TestTubeIcon className="mr-2 h-4 w-4" /> Test action | ||
| </DropdownMenuItem> | ||
| <DropdownMenuItem> | ||
| <GanttChartIcon className="mr-2 h-4 w-4" /> View events | ||
| </DropdownMenuItem> | ||
| </DropdownMenuContent> | ||
| </DropdownMenu> | ||
| </div> | ||
| </CardHeader> | ||
| <CardContent> | ||
| <div className="flex space-x-4 text-sm text-muted-foreground"> | ||
| <div className="flex items-center"> | ||
| <CircleIcon className="mr-1 h-3 w-3 fill-sky-400 text-sky-400" /> {status} | ||
| </div> | ||
| <div className="flex items-center"> | ||
| <GanttChartIcon className="mr-1 h-3 w-3" /> {numberOfEvents} events | ||
| </div> | ||
| </div> | ||
| </CardContent> | ||
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||
| <Handle | ||
| type="target" | ||
| position={Position.Top} | ||
| className="w-16 !bg-gray-500" | ||
| style={handleStyle} | ||
| /> | ||
| <Handle | ||
| type="source" | ||
| position={Position.Bottom} | ||
| className="w-16 !bg-gray-500" | ||
| style={handleStyle} | ||
| /> | ||
| </Card> | ||
| ) | ||
| }) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| import React, { useCallback, useRef, useState } from "react" | ||
| import ReactFlow, { | ||
| Background, | ||
| Connection, | ||
| Controls, | ||
| Edge, | ||
| MarkerType, | ||
| Node, | ||
| OnConnect, | ||
| ReactFlowInstance, | ||
| ReactFlowProvider, | ||
| addEdge, | ||
| useEdgesState, | ||
| useNodesState, | ||
| useReactFlow, | ||
| } from "reactflow" | ||
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| import "reactflow/dist/style.css" | ||
| import { useToast } from "@/components/ui/use-toast" | ||
| import ActionNode, { ActionNodeData } from "@/components/action-node" | ||
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| let id = 0 | ||
| const getActionNodeId = (): string => `node_${id++}` | ||
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| const nodeTypes = { | ||
| action: ActionNode, | ||
| } | ||
|
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| const defaultEdgeOptions = { | ||
| markerEnd: { | ||
| type: MarkerType.ArrowClosed, | ||
| }, | ||
| style: { strokeWidth: 3 }, | ||
| } | ||
|
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| const Workflow: React.FC = () => { | ||
| const reactFlowWrapper = useRef<HTMLDivElement>(null) | ||
| const [nodes, setNodes, onNodesChange] = useNodesState([]) | ||
| const [edges, setEdges, onEdgesChange] = useEdgesState([]) | ||
| const [reactFlowInstance, setReactFlowInstance] = | ||
| useState<ReactFlowInstance | null>(null) | ||
| const { toast } = useToast() | ||
|
|
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| const onConnect = useCallback( | ||
| (params: Edge | Connection) => { | ||
| setEdges((eds) => addEdge(params, eds)) | ||
| }, | ||
| [toast, edges, setEdges] | ||
| ) | ||
|
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| const onDragOver = useCallback((event: React.DragEvent) => { | ||
| event.preventDefault() | ||
| event.dataTransfer.dropEffect = "move" | ||
| }, []) | ||
|
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| const onDrop = (event: React.DragEvent) => { | ||
| event.preventDefault() | ||
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| // Limit total number of nodes | ||
| if (nodes.length >= 50) { | ||
| toast({ | ||
| title: "Invalid action", | ||
| description: "Maximum 50 nodes allowed.", | ||
| }) | ||
| return | ||
| } | ||
|
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| const reactFlowNodeType = event.dataTransfer.getData("application/reactflow"); | ||
| const actionNodeData = JSON.parse( | ||
| event.dataTransfer.getData("application/json") | ||
| ) as ActionNodeData | ||
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| if (!actionNodeData || !reactFlowNodeType || !reactFlowInstance) return | ||
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| const reactFlowNodePosition = reactFlowInstance.screenToFlowPosition({ | ||
| x: event.clientX, | ||
| y: event.clientY, | ||
| }) | ||
|
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| const newNode = { | ||
| id: getActionNodeId(), | ||
| type: reactFlowNodeType, | ||
| position: reactFlowNodePosition, | ||
| data: actionNodeData, | ||
| } as Node<ActionNodeData> | ||
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| setNodes((nds) => nds.concat(newNode)) | ||
| } | ||
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| return ( | ||
| <div ref={reactFlowWrapper} style={{ height: "100%" }}> | ||
| <ReactFlow | ||
| nodes={nodes} | ||
| edges={edges} | ||
| onNodesChange={onNodesChange} | ||
| onEdgesChange={onEdgesChange} | ||
| defaultEdgeOptions={defaultEdgeOptions} | ||
| onConnect={onConnect as OnConnect} | ||
| onInit={setReactFlowInstance} | ||
| onDrop={onDrop} | ||
| onDragOver={onDragOver} | ||
| nodeTypes={nodeTypes} | ||
| fitViewOptions={{ maxZoom: 1 }} | ||
| proOptions={{ hideAttribution: true }} | ||
| > | ||
| <Background /> | ||
| <Controls /> | ||
| </ReactFlow> | ||
| </div> | ||
| ) | ||
| } | ||
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| const WorkflowBuilder = ReactFlowProvider | ||
| const useWorkflowBuilder = useReactFlow | ||
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| export { WorkflowBuilder, useWorkflowBuilder } | ||
| export default Workflow |
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