dify/web/app/components/workflow/nodes/_base/node.tsx

93 lines
2.3 KiB
TypeScript

import type {
FC,
ReactElement,
} from 'react'
import {
cloneElement,
memo,
useCallback,
useMemo,
} from 'react'
import type { NodeProps } from 'reactflow'
import { getOutgoers } from 'reactflow'
import { useWorkflowContext } from '../../context'
import { BlockEnum } from '../../types'
import NodeControl from '../../node-control'
import BlockIcon from '../../block-icon'
import AddNode from './components/add-node/index'
type BaseNodeProps = {
children: ReactElement
} & Pick<NodeProps, 'id' | 'data'>
const BaseNode: FC<BaseNodeProps> = ({
id: nodeId,
data,
children,
}) => {
const {
nodes,
edges,
selectedNodeId,
handleSelectedNodeIdChange,
handleAddNextNode,
} = useWorkflowContext()
const currentNode = useMemo(() => {
return nodes.find(node => node.id === nodeId)
}, [nodeId, nodes])
const outgoers = useMemo(() => {
return getOutgoers(currentNode!, nodes, edges)
}, [currentNode, nodes, edges])
const handleSelectBlock = useCallback((type: BlockEnum) => {
handleAddNextNode(currentNode!, type)
}, [currentNode, handleAddNextNode])
const branches = useMemo(() => {
if (data.type === BlockEnum.IfElse) {
return [
{
id: '1',
name: 'Is True',
},
{
id: '2',
name: 'Is False',
},
]
}
}, [data])
return (
<div
className={`
group relative pb-2 w-[296px] bg-[#fcfdff] rounded-2xl shadow-xs
hover:shadow-lg
${selectedNodeId === nodeId ? 'border-[2px] border-primary-600' : 'border border-white'}
`}
onClick={() => handleSelectedNodeIdChange(nodeId || '')}
>
<NodeControl />
<div className='flex items-center px-3 pt-3 pb-2'>
<BlockIcon
className='mr-2'
type={currentNode!.data.type}
size='md'
/>
<div className='text-[13px] font-semibold text-gray-700'>
{data.title}
</div>
</div>
{cloneElement(children, { id: nodeId, data })}
<div className='px-3 pt-1 pb-1 text-xs text-gray-500'>
Define the initial parameters for launching a workflow
</div>
<AddNode
outgoers={outgoers}
branches={branches}
onAddNextNode={handleSelectBlock}
/>
</div>
)
}
export default memo(BaseNode)