dify/web/app/components/workflow/hooks/use-nodes-interactions.ts
2024-06-14 17:08:11 +08:00

1237 lines
38 KiB
TypeScript

import type { MouseEvent } from 'react'
import { useCallback, useRef } from 'react'
import { useTranslation } from 'react-i18next'
import produce from 'immer'
import type {
NodeDragHandler,
NodeMouseHandler,
OnConnect,
OnConnectEnd,
OnConnectStart,
ResizeParamsWithDirection,
} from 'reactflow'
import {
getConnectedEdges,
getOutgoers,
useReactFlow,
useStoreApi,
} from 'reactflow'
import type { ToolDefaultValue } from '../block-selector/types'
import type {
Edge,
Node,
OnNodeAdd,
} from '../types'
import { BlockEnum } from '../types'
import { useWorkflowStore } from '../store'
import {
ITERATION_CHILDREN_Z_INDEX,
ITERATION_PADDING,
NODES_INITIAL_DATA,
NODE_WIDTH_X_OFFSET,
X_OFFSET,
Y_OFFSET,
} from '../constants'
import {
genNewNodeTitleFromOld,
generateNewNode,
getNodesConnectedSourceOrTargetHandleIdsMap,
getTopLeftNodePosition,
} from '../utils'
import { CUSTOM_NOTE_NODE } from '../note-node/constants'
import type { IterationNodeType } from '../nodes/iteration/types'
import type { VariableAssignerNodeType } from '../nodes/variable-assigner/types'
import { useNodeIterationInteractions } from '../nodes/iteration/use-interactions'
import { useNodesSyncDraft } from './use-nodes-sync-draft'
import { useHelpline } from './use-helpline'
import {
useNodesReadOnly,
useWorkflow,
} from './use-workflow'
export const useNodesInteractions = () => {
const { t } = useTranslation()
const store = useStoreApi()
const workflowStore = useWorkflowStore()
const reactflow = useReactFlow()
const { handleSyncWorkflowDraft } = useNodesSyncDraft()
const {
getAfterNodesInSameBranch,
} = useWorkflow()
const { getNodesReadOnly } = useNodesReadOnly()
const { handleSetHelpline } = useHelpline()
const {
handleNodeIterationChildDrag,
handleNodeIterationChildrenCopy,
} = useNodeIterationInteractions()
const dragNodeStartPosition = useRef({ x: 0, y: 0 } as { x: number; y: number })
const handleNodeDragStart = useCallback<NodeDragHandler>((_, node) => {
workflowStore.setState({ nodeAnimation: false })
if (getNodesReadOnly())
return
if (node.data.isIterationStart || node.type === CUSTOM_NOTE_NODE)
return
dragNodeStartPosition.current = { x: node.position.x, y: node.position.y }
}, [workflowStore, getNodesReadOnly])
const handleNodeDrag = useCallback<NodeDragHandler>((e, node: Node) => {
if (getNodesReadOnly())
return
if (node.data.isIterationStart)
return
const {
getNodes,
setNodes,
} = store.getState()
e.stopPropagation()
const nodes = getNodes()
const { restrictPosition } = handleNodeIterationChildDrag(node)
const {
showHorizontalHelpLineNodes,
showVerticalHelpLineNodes,
} = handleSetHelpline(node)
const showHorizontalHelpLineNodesLength = showHorizontalHelpLineNodes.length
const showVerticalHelpLineNodesLength = showVerticalHelpLineNodes.length
const newNodes = produce(nodes, (draft) => {
const currentNode = draft.find(n => n.id === node.id)!
if (showVerticalHelpLineNodesLength > 0)
currentNode.position.x = showVerticalHelpLineNodes[0].position.x
else if (restrictPosition.x !== undefined)
currentNode.position.x = restrictPosition.x
else
currentNode.position.x = node.position.x
if (showHorizontalHelpLineNodesLength > 0)
currentNode.position.y = showHorizontalHelpLineNodes[0].position.y
else if (restrictPosition.y !== undefined)
currentNode.position.y = restrictPosition.y
else
currentNode.position.y = node.position.y
})
setNodes(newNodes)
}, [store, getNodesReadOnly, handleSetHelpline, handleNodeIterationChildDrag])
const handleNodeDragStop = useCallback<NodeDragHandler>((_, node) => {
const {
setHelpLineHorizontal,
setHelpLineVertical,
} = workflowStore.getState()
if (getNodesReadOnly())
return
const { x, y } = dragNodeStartPosition.current
if (!(x === node.position.x && y === node.position.y)) {
setHelpLineHorizontal()
setHelpLineVertical()
handleSyncWorkflowDraft()
}
}, [handleSyncWorkflowDraft, workflowStore, getNodesReadOnly])
const handleNodeEnter = useCallback<NodeMouseHandler>((_, node) => {
if (getNodesReadOnly())
return
if (node.type === CUSTOM_NOTE_NODE)
return
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const {
connectingNodePayload,
setEnteringNodePayload,
} = workflowStore.getState()
if (connectingNodePayload) {
if (connectingNodePayload.nodeId === node.id)
return
const connectingNode: Node = nodes.find(n => n.id === connectingNodePayload.nodeId)!
const sameLevel = connectingNode.parentId === node.parentId
if (sameLevel) {
setEnteringNodePayload({
nodeId: node.id,
nodeData: node.data as VariableAssignerNodeType,
})
const fromType = connectingNodePayload.handleType
const newNodes = produce(nodes, (draft) => {
draft.forEach((n) => {
if (n.id === node.id && fromType === 'source' && (node.data.type === BlockEnum.VariableAssigner || node.data.type === BlockEnum.VariableAggregator)) {
if (!node.data.advanced_settings?.group_enabled)
n.data._isEntering = true
}
if (n.id === node.id && fromType === 'target' && (connectingNode.data.type === BlockEnum.VariableAssigner || connectingNode.data.type === BlockEnum.VariableAggregator) && node.data.type !== BlockEnum.IfElse && node.data.type !== BlockEnum.QuestionClassifier)
n.data._isEntering = true
})
})
setNodes(newNodes)
}
}
const newEdges = produce(edges, (draft) => {
const connectedEdges = getConnectedEdges([node], edges)
connectedEdges.forEach((edge) => {
const currentEdge = draft.find(e => e.id === edge.id)
if (currentEdge)
currentEdge.data._connectedNodeIsHovering = true
})
})
setEdges(newEdges)
}, [store, workflowStore, getNodesReadOnly])
const handleNodeLeave = useCallback<NodeMouseHandler>((_, node) => {
if (getNodesReadOnly())
return
if (node.type === CUSTOM_NOTE_NODE)
return
const {
setEnteringNodePayload,
} = workflowStore.getState()
setEnteringNodePayload(undefined)
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const newNodes = produce(getNodes(), (draft) => {
draft.forEach((node) => {
node.data._isEntering = false
})
})
setNodes(newNodes)
const newEdges = produce(edges, (draft) => {
draft.forEach((edge) => {
edge.data._connectedNodeIsHovering = false
})
})
setEdges(newEdges)
}, [store, workflowStore, getNodesReadOnly])
const handleNodeSelect = useCallback((nodeId: string, cancelSelection?: boolean) => {
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const selectedNode = nodes.find(node => node.data.selected)
if (!cancelSelection && selectedNode?.id === nodeId)
return
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
if (node.id === nodeId)
node.data.selected = !cancelSelection
else
node.data.selected = false
})
})
setNodes(newNodes)
const connectedEdges = getConnectedEdges([{ id: nodeId } as Node], edges).map(edge => edge.id)
const newEdges = produce(edges, (draft) => {
draft.forEach((edge) => {
if (connectedEdges.includes(edge.id)) {
edge.data = {
...edge.data,
_connectedNodeIsSelected: !cancelSelection,
}
}
else {
edge.data = {
...edge.data,
_connectedNodeIsSelected: false,
}
}
})
})
setEdges(newEdges)
handleSyncWorkflowDraft()
}, [store, handleSyncWorkflowDraft])
const handleNodeClick = useCallback<NodeMouseHandler>((_, node) => {
handleNodeSelect(node.id)
}, [handleNodeSelect])
const handleNodeConnect = useCallback<OnConnect>(({
source,
sourceHandle,
target,
targetHandle,
}) => {
if (source === target)
return
if (getNodesReadOnly())
return
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const targetNode = nodes.find(node => node.id === target!)
const sourceNode = nodes.find(node => node.id === source!)
if (targetNode?.parentId !== sourceNode?.parentId)
return
if (targetNode?.data.isIterationStart)
return
if (sourceNode?.type === CUSTOM_NOTE_NODE || targetNode?.type === CUSTOM_NOTE_NODE)
return
const needDeleteEdges = edges.filter((edge) => {
if (
(edge.source === source && edge.sourceHandle === sourceHandle)
|| (edge.target === target && edge.targetHandle === targetHandle && targetNode?.data.type !== BlockEnum.VariableAssigner && targetNode?.data.type !== BlockEnum.VariableAggregator)
)
return true
return false
})
const needDeleteEdgesIds = needDeleteEdges.map(edge => edge.id)
const newEdge = {
id: `${source}-${sourceHandle}-${target}-${targetHandle}`,
type: 'custom',
source: source!,
target: target!,
sourceHandle,
targetHandle,
data: {
sourceType: nodes.find(node => node.id === source)!.data.type,
targetType: nodes.find(node => node.id === target)!.data.type,
isInIteration: !!targetNode?.parentId,
iteration_id: targetNode?.parentId,
},
zIndex: targetNode?.parentId ? ITERATION_CHILDREN_Z_INDEX : 0,
}
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
...needDeleteEdges.map(edge => ({ type: 'remove', edge })),
{ type: 'add', edge: newEdge },
],
nodes,
)
const newNodes = produce(nodes, (draft: Node[]) => {
draft.forEach((node) => {
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
})
})
setNodes(newNodes)
const newEdges = produce(edges, (draft) => {
const filtered = draft.filter(edge => !needDeleteEdgesIds.includes(edge.id))
filtered.push(newEdge)
return filtered
})
setEdges(newEdges)
handleSyncWorkflowDraft()
}, [store, handleSyncWorkflowDraft, getNodesReadOnly])
const handleNodeConnectStart = useCallback<OnConnectStart>((_, { nodeId, handleType, handleId }) => {
if (getNodesReadOnly())
return
if (nodeId && handleType) {
const { setConnectingNodePayload } = workflowStore.getState()
const { getNodes } = store.getState()
const node = getNodes().find(n => n.id === nodeId)!
if (node.type === CUSTOM_NOTE_NODE)
return
if (node.data.type === BlockEnum.VariableAggregator || node.data.type === BlockEnum.VariableAssigner) {
if (handleType === 'target')
return
}
if (!node.data.isIterationStart) {
setConnectingNodePayload({
nodeId,
nodeType: node.data.type,
handleType,
handleId,
})
}
}
}, [store, workflowStore, getNodesReadOnly])
const handleNodeConnectEnd = useCallback<OnConnectEnd>((e: any) => {
if (getNodesReadOnly())
return
const {
connectingNodePayload,
setConnectingNodePayload,
enteringNodePayload,
setEnteringNodePayload,
} = workflowStore.getState()
if (connectingNodePayload && enteringNodePayload) {
const {
setShowAssignVariablePopup,
hoveringAssignVariableGroupId,
} = workflowStore.getState()
const { screenToFlowPosition } = reactflow
const {
getNodes,
setNodes,
} = store.getState()
const nodes = getNodes()
const fromHandleType = connectingNodePayload.handleType
const fromHandleId = connectingNodePayload.handleId
const fromNode = nodes.find(n => n.id === connectingNodePayload.nodeId)!
const toNode = nodes.find(n => n.id === enteringNodePayload.nodeId)!
const toParentNode = nodes.find(n => n.id === toNode.parentId)
if (fromNode.parentId !== toNode.parentId)
return
const { x, y } = screenToFlowPosition({ x: e.x, y: e.y })
if (fromHandleType === 'source' && (toNode.data.type === BlockEnum.VariableAssigner || toNode.data.type === BlockEnum.VariableAggregator)) {
const groupEnabled = toNode.data.advanced_settings?.group_enabled
const firstGroupId = toNode.data.advanced_settings?.groups[0].groupId
let handleId = 'target'
if (groupEnabled) {
if (hoveringAssignVariableGroupId)
handleId = hoveringAssignVariableGroupId
else
handleId = firstGroupId
}
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
if (node.id === toNode.id) {
node.data._showAddVariablePopup = true
node.data._holdAddVariablePopup = true
}
})
})
setNodes(newNodes)
setShowAssignVariablePopup({
nodeId: fromNode.id,
nodeData: fromNode.data,
variableAssignerNodeId: toNode.id,
variableAssignerNodeData: toNode.data,
variableAssignerNodeHandleId: handleId,
parentNode: toParentNode,
x: x - toNode.positionAbsolute!.x,
y: y - toNode.positionAbsolute!.y,
})
handleNodeConnect({
source: fromNode.id,
sourceHandle: fromHandleId,
target: toNode.id,
targetHandle: 'target',
})
}
}
setConnectingNodePayload(undefined)
setEnteringNodePayload(undefined)
}, [store, handleNodeConnect, getNodesReadOnly, workflowStore, reactflow])
const handleNodeDelete = useCallback((nodeId: string) => {
if (getNodesReadOnly())
return
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const currentNodeIndex = nodes.findIndex(node => node.id === nodeId)
const currentNode = nodes[currentNodeIndex]
if (!currentNode)
return
if (currentNode.data.type === BlockEnum.Start)
return
if (currentNode.data.type === BlockEnum.Iteration) {
const iterationChildren = nodes.filter(node => node.parentId === currentNode.id)
if (iterationChildren.length) {
if (currentNode.data._isBundled) {
iterationChildren.forEach((child) => {
handleNodeDelete(child.id)
})
return handleNodeDelete(nodeId)
}
else {
const { setShowConfirm, showConfirm } = workflowStore.getState()
if (!showConfirm) {
setShowConfirm({
title: t('workflow.nodes.iteration.deleteTitle'),
desc: t('workflow.nodes.iteration.deleteDesc') || '',
onConfirm: () => {
iterationChildren.forEach((child) => {
handleNodeDelete(child.id)
})
handleNodeDelete(nodeId)
handleSyncWorkflowDraft()
setShowConfirm(undefined)
},
})
return
}
}
}
}
const connectedEdges = getConnectedEdges([{ id: nodeId } as Node], edges)
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(connectedEdges.map(edge => ({ type: 'remove', edge })), nodes)
const newNodes = produce(nodes, (draft: Node[]) => {
draft.forEach((node) => {
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
if (node.id === currentNode.parentId) {
node.data._children = node.data._children?.filter(child => child !== nodeId)
if (currentNode.id === (node as Node<IterationNodeType>).data.start_node_id) {
(node as Node<IterationNodeType>).data.start_node_id = '';
(node as Node<IterationNodeType>).data.startNodeType = undefined
}
}
})
draft.splice(currentNodeIndex, 1)
})
setNodes(newNodes)
const newEdges = produce(edges, (draft) => {
return draft.filter(edge => !connectedEdges.find(connectedEdge => connectedEdge.id === edge.id))
})
setEdges(newEdges)
handleSyncWorkflowDraft()
}, [store, handleSyncWorkflowDraft, getNodesReadOnly, workflowStore, t])
const handleNodeAdd = useCallback<OnNodeAdd>((
{
nodeType,
sourceHandle = 'source',
targetHandle = 'target',
toolDefaultValue,
},
{
prevNodeId,
prevNodeSourceHandle,
nextNodeId,
nextNodeTargetHandle,
},
) => {
if (getNodesReadOnly())
return
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const nodesWithSameType = nodes.filter(node => node.data.type === nodeType)
const newNode = generateNewNode({
data: {
...NODES_INITIAL_DATA[nodeType],
title: nodesWithSameType.length > 0 ? `${t(`workflow.blocks.${nodeType}`)} ${nodesWithSameType.length + 1}` : t(`workflow.blocks.${nodeType}`),
...(toolDefaultValue || {}),
selected: true,
_showAddVariablePopup: (nodeType === BlockEnum.VariableAssigner || nodeType === BlockEnum.VariableAggregator) && !!prevNodeId,
_holdAddVariablePopup: false,
},
position: {
x: 0,
y: 0,
},
})
if (prevNodeId && !nextNodeId) {
const prevNodeIndex = nodes.findIndex(node => node.id === prevNodeId)
const prevNode = nodes[prevNodeIndex]
const outgoers = getOutgoers(prevNode, nodes, edges).sort((a, b) => a.position.y - b.position.y)
const lastOutgoer = outgoers[outgoers.length - 1]
newNode.data._connectedTargetHandleIds = [targetHandle]
newNode.data._connectedSourceHandleIds = []
newNode.position = {
x: lastOutgoer ? lastOutgoer.position.x : prevNode.position.x + prevNode.width! + X_OFFSET,
y: lastOutgoer ? lastOutgoer.position.y + lastOutgoer.height! + Y_OFFSET : prevNode.position.y,
}
newNode.parentId = prevNode.parentId
newNode.extent = prevNode.extent
if (prevNode.parentId) {
newNode.data.isInIteration = true
newNode.data.iteration_id = prevNode.parentId
newNode.zIndex = ITERATION_CHILDREN_Z_INDEX
}
const newEdge: Edge = {
id: `${prevNodeId}-${prevNodeSourceHandle}-${newNode.id}-${targetHandle}`,
type: 'custom',
source: prevNodeId,
sourceHandle: prevNodeSourceHandle,
target: newNode.id,
targetHandle,
data: {
sourceType: prevNode.data.type,
targetType: newNode.data.type,
isInIteration: !!prevNode.parentId,
iteration_id: prevNode.parentId,
_connectedNodeIsSelected: true,
},
zIndex: prevNode.parentId ? ITERATION_CHILDREN_Z_INDEX : 0,
}
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
{ type: 'add', edge: newEdge },
],
nodes,
)
const newNodes = produce(nodes, (draft: Node[]) => {
draft.forEach((node) => {
node.data.selected = false
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
if (node.data.type === BlockEnum.Iteration && prevNode.parentId === node.id)
node.data._children?.push(newNode.id)
})
draft.push(newNode)
})
setNodes(newNodes)
if (newNode.data.type === BlockEnum.VariableAssigner || newNode.data.type === BlockEnum.VariableAggregator) {
const { setShowAssignVariablePopup } = workflowStore.getState()
setShowAssignVariablePopup({
nodeId: prevNode.id,
nodeData: prevNode.data,
variableAssignerNodeId: newNode.id,
variableAssignerNodeData: (newNode.data as VariableAssignerNodeType),
variableAssignerNodeHandleId: targetHandle,
parentNode: nodes.find(node => node.id === newNode.parentId),
x: -25,
y: 44,
})
}
const newEdges = produce(edges, (draft) => {
draft.forEach((item) => {
item.data = {
...item.data,
_connectedNodeIsSelected: false,
}
})
draft.push(newEdge)
})
setEdges(newEdges)
}
if (!prevNodeId && nextNodeId) {
const nextNodeIndex = nodes.findIndex(node => node.id === nextNodeId)
const nextNode = nodes[nextNodeIndex]!
if ((nodeType !== BlockEnum.IfElse) && (nodeType !== BlockEnum.QuestionClassifier))
newNode.data._connectedSourceHandleIds = [sourceHandle]
newNode.data._connectedTargetHandleIds = []
newNode.position = {
x: nextNode.position.x,
y: nextNode.position.y,
}
newNode.parentId = nextNode.parentId
newNode.extent = nextNode.extent
if (nextNode.parentId) {
newNode.data.isInIteration = true
newNode.data.iteration_id = nextNode.parentId
newNode.zIndex = ITERATION_CHILDREN_Z_INDEX
}
if (nextNode.data.isIterationStart)
newNode.data.isIterationStart = true
let newEdge
if ((nodeType !== BlockEnum.IfElse) && (nodeType !== BlockEnum.QuestionClassifier)) {
newEdge = {
id: `${newNode.id}-${sourceHandle}-${nextNodeId}-${nextNodeTargetHandle}`,
type: 'custom',
source: newNode.id,
sourceHandle,
target: nextNodeId,
targetHandle: nextNodeTargetHandle,
data: {
sourceType: newNode.data.type,
targetType: nextNode.data.type,
isInIteration: !!nextNode.parentId,
iteration_id: nextNode.parentId,
_connectedNodeIsSelected: true,
},
zIndex: nextNode.parentId ? ITERATION_CHILDREN_Z_INDEX : 0,
}
}
let nodesConnectedSourceOrTargetHandleIdsMap: Record<string, any>
if (newEdge) {
nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
{ type: 'add', edge: newEdge },
],
nodes,
)
}
const afterNodesInSameBranch = getAfterNodesInSameBranch(nextNodeId!)
const afterNodesInSameBranchIds = afterNodesInSameBranch.map(node => node.id)
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
if (afterNodesInSameBranchIds.includes(node.id))
node.position.x += NODE_WIDTH_X_OFFSET
if (nodesConnectedSourceOrTargetHandleIdsMap?.[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
if (node.data.type === BlockEnum.Iteration && nextNode.parentId === node.id)
node.data._children?.push(newNode.id)
if (node.data.type === BlockEnum.Iteration && node.data.start_node_id === nextNodeId) {
node.data.start_node_id = newNode.id
node.data.startNodeType = newNode.data.type
}
if (node.id === nextNodeId && node.data.isIterationStart)
node.data.isIterationStart = false
})
draft.push(newNode)
})
setNodes(newNodes)
if (newEdge) {
const newEdges = produce(edges, (draft) => {
draft.forEach((item) => {
item.data = {
...item.data,
_connectedNodeIsSelected: false,
}
})
draft.push(newEdge)
})
setEdges(newEdges)
}
}
if (prevNodeId && nextNodeId) {
const prevNode = nodes.find(node => node.id === prevNodeId)!
const nextNode = nodes.find(node => node.id === nextNodeId)!
newNode.data._connectedTargetHandleIds = [targetHandle]
newNode.data._connectedSourceHandleIds = [sourceHandle]
newNode.position = {
x: nextNode.position.x,
y: nextNode.position.y,
}
newNode.parentId = prevNode.parentId
newNode.extent = prevNode.extent
if (prevNode.parentId) {
newNode.data.isInIteration = true
newNode.data.iteration_id = prevNode.parentId
newNode.zIndex = ITERATION_CHILDREN_Z_INDEX
}
const currentEdgeIndex = edges.findIndex(edge => edge.source === prevNodeId && edge.target === nextNodeId)
const newPrevEdge = {
id: `${prevNodeId}-${prevNodeSourceHandle}-${newNode.id}-${targetHandle}`,
type: 'custom',
source: prevNodeId,
sourceHandle: prevNodeSourceHandle,
target: newNode.id,
targetHandle,
data: {
sourceType: prevNode.data.type,
targetType: newNode.data.type,
isInIteration: !!prevNode.parentId,
iteration_id: prevNode.parentId,
_connectedNodeIsSelected: true,
},
zIndex: prevNode.parentId ? ITERATION_CHILDREN_Z_INDEX : 0,
}
let newNextEdge: Edge | null = null
if (nodeType !== BlockEnum.IfElse && nodeType !== BlockEnum.QuestionClassifier) {
newNextEdge = {
id: `${newNode.id}-${sourceHandle}-${nextNodeId}-${nextNodeTargetHandle}`,
type: 'custom',
source: newNode.id,
sourceHandle,
target: nextNodeId,
targetHandle: nextNodeTargetHandle,
data: {
sourceType: newNode.data.type,
targetType: nextNode.data.type,
isInIteration: !!nextNode.parentId,
iteration_id: nextNode.parentId,
_connectedNodeIsSelected: true,
},
zIndex: nextNode.parentId ? ITERATION_CHILDREN_Z_INDEX : 0,
}
}
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
{ type: 'remove', edge: edges[currentEdgeIndex] },
{ type: 'add', edge: newPrevEdge },
...(newNextEdge ? [{ type: 'add', edge: newNextEdge }] : []),
],
[...nodes, newNode],
)
const afterNodesInSameBranch = getAfterNodesInSameBranch(nextNodeId!)
const afterNodesInSameBranchIds = afterNodesInSameBranch.map(node => node.id)
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
if (afterNodesInSameBranchIds.includes(node.id))
node.position.x += NODE_WIDTH_X_OFFSET
if (node.data.type === BlockEnum.Iteration && prevNode.parentId === node.id)
node.data._children?.push(newNode.id)
})
draft.push(newNode)
})
setNodes(newNodes)
if (newNode.data.type === BlockEnum.VariableAssigner || newNode.data.type === BlockEnum.VariableAggregator) {
const { setShowAssignVariablePopup } = workflowStore.getState()
setShowAssignVariablePopup({
nodeId: prevNode.id,
nodeData: prevNode.data,
variableAssignerNodeId: newNode.id,
variableAssignerNodeData: newNode.data as VariableAssignerNodeType,
variableAssignerNodeHandleId: targetHandle,
parentNode: nodes.find(node => node.id === newNode.parentId),
x: -25,
y: 44,
})
}
const newEdges = produce(edges, (draft) => {
draft.splice(currentEdgeIndex, 1)
draft.forEach((item) => {
item.data = {
...item.data,
_connectedNodeIsSelected: false,
}
})
draft.push(newPrevEdge)
if (newNextEdge)
draft.push(newNextEdge)
})
setEdges(newEdges)
}
handleSyncWorkflowDraft()
}, [store, workflowStore, handleSyncWorkflowDraft, getAfterNodesInSameBranch, getNodesReadOnly, t])
const handleNodeChange = useCallback((
currentNodeId: string,
nodeType: BlockEnum,
sourceHandle: string,
toolDefaultValue?: ToolDefaultValue,
) => {
if (getNodesReadOnly())
return
const {
getNodes,
setNodes,
edges,
setEdges,
} = store.getState()
const nodes = getNodes()
const currentNode = nodes.find(node => node.id === currentNodeId)!
const connectedEdges = getConnectedEdges([currentNode], edges)
const nodesWithSameType = nodes.filter(node => node.data.type === nodeType)
const newCurrentNode = generateNewNode({
data: {
...NODES_INITIAL_DATA[nodeType],
title: nodesWithSameType.length > 0 ? `${t(`workflow.blocks.${nodeType}`)} ${nodesWithSameType.length + 1}` : t(`workflow.blocks.${nodeType}`),
...(toolDefaultValue || {}),
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
selected: currentNode.data.selected,
isInIteration: currentNode.data.isInIteration,
iteration_id: currentNode.data.iteration_id,
isIterationStart: currentNode.data.isIterationStart,
},
position: {
x: currentNode.position.x,
y: currentNode.position.y,
},
parentId: currentNode.parentId,
extent: currentNode.extent,
zIndex: currentNode.zIndex,
})
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
...connectedEdges.map(edge => ({ type: 'remove', edge })),
],
nodes,
)
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
if (node.id === currentNode.parentId && currentNode.data.isIterationStart) {
node.data._children = [
newCurrentNode.id,
...(node.data._children || []),
].filter(child => child !== currentNodeId)
node.data.start_node_id = newCurrentNode.id
node.data.startNodeType = newCurrentNode.data.type
}
})
const index = draft.findIndex(node => node.id === currentNodeId)
draft.splice(index, 1, newCurrentNode)
})
setNodes(newNodes)
const newEdges = produce(edges, (draft) => {
const filtered = draft.filter(edge => !connectedEdges.find(connectedEdge => connectedEdge.id === edge.id))
return filtered
})
setEdges(newEdges)
handleSyncWorkflowDraft()
}, [store, handleSyncWorkflowDraft, getNodesReadOnly, t])
const handleNodeCancelRunningStatus = useCallback(() => {
const {
getNodes,
setNodes,
} = store.getState()
const nodes = getNodes()
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data._runningStatus = undefined
})
})
setNodes(newNodes)
}, [store])
const handleNodesCancelSelected = useCallback(() => {
const {
getNodes,
setNodes,
} = store.getState()
const nodes = getNodes()
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
})
})
setNodes(newNodes)
}, [store])
const handleNodeContextMenu = useCallback((e: MouseEvent, node: Node) => {
if (node.type === CUSTOM_NOTE_NODE)
return
e.preventDefault()
const container = document.querySelector('#workflow-container')
const { x, y } = container!.getBoundingClientRect()
workflowStore.setState({
nodeMenu: {
top: e.clientY - y,
left: e.clientX - x,
nodeId: node.id,
},
})
handleNodeSelect(node.id)
}, [workflowStore, handleNodeSelect])
const handleNodesCopy = useCallback(() => {
if (getNodesReadOnly())
return
const {
setClipboardElements,
shortcutsDisabled,
showFeaturesPanel,
} = workflowStore.getState()
if (shortcutsDisabled || showFeaturesPanel)
return
const {
getNodes,
} = store.getState()
const nodes = getNodes()
const bundledNodes = nodes.filter(node => node.data._isBundled && node.data.type !== BlockEnum.Start && !node.data.isInIteration)
if (bundledNodes.length) {
setClipboardElements(bundledNodes)
return
}
const selectedNode = nodes.find(node => node.data.selected && node.data.type !== BlockEnum.Start)
if (selectedNode)
setClipboardElements([selectedNode])
}, [getNodesReadOnly, store, workflowStore])
const handleNodesPaste = useCallback(() => {
if (getNodesReadOnly())
return
const {
clipboardElements,
shortcutsDisabled,
showFeaturesPanel,
mousePosition,
} = workflowStore.getState()
if (shortcutsDisabled || showFeaturesPanel)
return
const {
getNodes,
setNodes,
} = store.getState()
const nodesToPaste: Node[] = []
const nodes = getNodes()
if (clipboardElements.length) {
const { x, y } = getTopLeftNodePosition(clipboardElements)
const { screenToFlowPosition } = reactflow
const currentPosition = screenToFlowPosition({ x: mousePosition.pageX, y: mousePosition.pageY })
const offsetX = currentPosition.x - x
const offsetY = currentPosition.y - y
clipboardElements.forEach((nodeToPaste, index) => {
const nodeType = nodeToPaste.data.type
const newNode = generateNewNode({
type: nodeToPaste.type,
data: {
...NODES_INITIAL_DATA[nodeType],
...nodeToPaste.data,
selected: false,
_isBundled: false,
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
title: genNewNodeTitleFromOld(nodeToPaste.data.title),
},
position: {
x: nodeToPaste.position.x + offsetX,
y: nodeToPaste.position.y + offsetY,
},
extent: nodeToPaste.extent,
zIndex: nodeToPaste.zIndex,
})
newNode.id = newNode.id + index
let newChildren: Node[] = []
if (nodeToPaste.data.type === BlockEnum.Iteration) {
newNode.data._children = [];
(newNode.data as IterationNodeType).start_node_id = ''
newChildren = handleNodeIterationChildrenCopy(nodeToPaste.id, newNode.id)
newChildren.forEach((child) => {
newNode.data._children?.push(child.id)
if (child.data.isIterationStart)
(newNode.data as IterationNodeType).start_node_id = child.id
})
}
nodesToPaste.push(newNode)
if (newChildren.length)
nodesToPaste.push(...newChildren)
})
setNodes([...nodes, ...nodesToPaste])
handleSyncWorkflowDraft()
}
}, [getNodesReadOnly, store, workflowStore, handleSyncWorkflowDraft, reactflow, handleNodeIterationChildrenCopy])
const handleNodesDuplicate = useCallback(() => {
if (getNodesReadOnly())
return
handleNodesCopy()
handleNodesPaste()
}, [getNodesReadOnly, handleNodesCopy, handleNodesPaste])
const handleNodesDelete = useCallback(() => {
if (getNodesReadOnly())
return
const {
shortcutsDisabled,
showFeaturesPanel,
} = workflowStore.getState()
if (shortcutsDisabled || showFeaturesPanel)
return
const {
getNodes,
edges,
} = store.getState()
const nodes = getNodes()
const bundledNodes = nodes.filter(node => node.data._isBundled && node.data.type !== BlockEnum.Start)
if (bundledNodes.length) {
bundledNodes.forEach(node => handleNodeDelete(node.id))
return
}
const edgeSelected = edges.some(edge => edge.selected)
if (edgeSelected)
return
const selectedNode = nodes.find(node => node.data.selected && node.data.type !== BlockEnum.Start)
if (selectedNode)
handleNodeDelete(selectedNode.id)
}, [store, workflowStore, getNodesReadOnly, handleNodeDelete])
const handleNodeResize = useCallback((nodeId: string, params: ResizeParamsWithDirection) => {
if (getNodesReadOnly())
return
const {
getNodes,
setNodes,
} = store.getState()
const { x, y, width, height } = params
const nodes = getNodes()
const currentNode = nodes.find(n => n.id === nodeId)!
const childrenNodes = nodes.filter(n => currentNode.data._children?.includes(n.id))
let rightNode: Node
let bottomNode: Node
childrenNodes.forEach((n) => {
if (rightNode) {
if (n.position.x + n.width! > rightNode.position.x + rightNode.width!)
rightNode = n
}
else {
rightNode = n
}
if (bottomNode) {
if (n.position.y + n.height! > bottomNode.position.y + bottomNode.height!)
bottomNode = n
}
else {
bottomNode = n
}
})
if (rightNode! && bottomNode!) {
if (width < rightNode!.position.x + rightNode.width! + ITERATION_PADDING.right)
return
if (height < bottomNode.position.y + bottomNode.height! + ITERATION_PADDING.bottom)
return
}
const newNodes = produce(nodes, (draft) => {
draft.forEach((n) => {
if (n.id === nodeId) {
n.data.width = width
n.data.height = height
n.width = width
n.height = height
n.position.x = x
n.position.y = y
}
})
})
setNodes(newNodes)
handleSyncWorkflowDraft()
}, [store, getNodesReadOnly, handleSyncWorkflowDraft])
return {
handleNodeDragStart,
handleNodeDrag,
handleNodeDragStop,
handleNodeEnter,
handleNodeLeave,
handleNodeSelect,
handleNodeClick,
handleNodeConnect,
handleNodeConnectStart,
handleNodeConnectEnd,
handleNodeDelete,
handleNodeChange,
handleNodeAdd,
handleNodeCancelRunningStatus,
handleNodesCancelSelected,
handleNodeContextMenu,
handleNodesCopy,
handleNodesPaste,
handleNodesDuplicate,
handleNodesDelete,
handleNodeResize,
}
}