dify/web/app/components/workflow/hooks/use-nodes-interactions.ts
Stephen Zhou a84c2d36a3
style: format with vp fmt (#38803)
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2026-07-12 15:57:46 +00:00

2472 lines
87 KiB
TypeScript

import type { MouseEvent } from 'react'
import type {
NodeDragHandler,
NodeMouseHandler,
OnConnect,
OnConnectEnd,
OnConnectStart,
ResizeParamsWithDirection,
} from 'reactflow'
import type { BlockDefaultValue } from '../block-selector/types'
import type { IterationNodeType } from '../nodes/iteration/types'
import type { LoopNodeType } from '../nodes/loop/types'
import type { VariableAssignerNodeType } from '../nodes/variable-assigner/types'
import type { Edge, Node, OnNodeAdd } from '../types'
import type { RAGPipelineVariables } from '@/models/pipeline'
import { toast } from '@langgenius/dify-ui/toast'
import { useQuery } from '@tanstack/react-query'
import { produce } from 'immer'
import { useCallback, useRef, useState } from 'react'
import { useTranslation } from 'react-i18next'
import { getConnectedEdges, getOutgoers, useReactFlow } from 'reactflow'
import { consoleQuery } from '@/service/client'
import { collaborationManager } from '../collaboration/core/collaboration-manager'
import {
CUSTOM_EDGE,
ITERATION_PADDING,
LOOP_PADDING,
NESTED_ELEMENT_Z_INDEX,
NODE_WIDTH_X_OFFSET,
X_OFFSET,
Y_OFFSET,
} from '../constants'
import { getNodeUsedVars } from '../nodes/_base/components/variable/utils'
import { useCreateInlineAgentBinding } from '../nodes/agent-v2/hooks'
import { isAgentV2NodeData, needsInlineAgentBindingCreation } from '../nodes/agent-v2/types'
import { CUSTOM_ITERATION_START_NODE } from '../nodes/iteration-start/constants'
import { useNodeIterationInteractions } from '../nodes/iteration/use-interactions'
import { CUSTOM_LOOP_START_NODE } from '../nodes/loop-start/constants'
import { useNodeLoopInteractions } from '../nodes/loop/use-interactions'
import { CUSTOM_NOTE_NODE } from '../note-node/constants'
import { useWorkflowStore } from '../store'
import { BlockEnum, ControlMode, isTriggerNode } from '../types'
import {
generateNewNode,
genNewNodeTitleFromOld,
getNestedNodePosition,
getNodeCatalogType,
getNodeCustomTypeByNodeDataType,
getNodesConnectedSourceOrTargetHandleIdsMap,
getNodesWithSameDefaultDataType,
getTopLeftNodePosition,
isClipboardEdgeStructurallyValid,
isClipboardNodeStructurallyValid,
isClipboardValueCompatibleWithDefault,
readWorkflowClipboard,
sanitizeClipboardValueByDefault,
writeWorkflowClipboard,
} from '../utils'
import { useWorkflowHistoryStore } from '../workflow-history-store'
import { useAutoGenerateWebhookUrl } from './use-auto-generate-webhook-url'
import { useCollaborativeWorkflow } from './use-collaborative-workflow'
import { useHelpline } from './use-helpline'
import useInspectVarsCrud from './use-inspect-vars-crud'
import { useNodesMetaData } from './use-nodes-meta-data'
import { useNodesSyncDraft } from './use-nodes-sync-draft'
import { useNodesReadOnly, useWorkflow, useWorkflowReadOnly } from './use-workflow'
import { useWorkflowHistory, WorkflowHistoryEvent } from './use-workflow-history'
// Entry node deletion restriction has been removed to allow empty workflows
// Entry node (Start/Trigger) wrapper offsets for alignment
// Must match the values in use-helpline.ts
const ENTRY_NODE_WRAPPER_OFFSET = {
x: 0,
y: 21, // Adjusted based on visual testing feedback
} as const
function needsPendingInlineAgentBinding(defaultValue?: unknown) {
if (!defaultValue || typeof defaultValue !== 'object' || !('agent_binding' in defaultValue))
return false
const binding = (
defaultValue as {
agent_binding?: {
agent_id?: string
binding_type?: string
current_snapshot_id?: string
}
}
).agent_binding
return (
binding?.binding_type === 'inline_agent' && (!binding.agent_id || !binding.current_snapshot_id)
)
}
function agentV2NodeDefaultsNeedInlineBinding(
defaultValue?: unknown,
pluginDefaultValue?: unknown,
) {
return needsPendingInlineAgentBinding({
...(defaultValue && typeof defaultValue === 'object' ? defaultValue : {}),
...(pluginDefaultValue && typeof pluginDefaultValue === 'object' ? pluginDefaultValue : {}),
})
}
const pruneClipboardNodesWithFilteredAncestors = (
sourceNodes: Node[],
candidateNodes: Node[],
): Node[] => {
const candidateNodeIds = new Set(candidateNodes.map((node) => node.id))
const filteredRootIds = sourceNodes
.filter((node) => !candidateNodeIds.has(node.id))
.map((node) => node.id)
if (!filteredRootIds.length) return candidateNodes
const childrenByParent = new Map<string, string[]>()
sourceNodes.forEach((node) => {
if (!node.parentId) return
const children = childrenByParent.get(node.parentId) ?? []
children.push(node.id)
childrenByParent.set(node.parentId, children)
})
const filteredNodeIds = new Set(filteredRootIds)
const queue = [...filteredRootIds]
while (queue.length) {
const currentNodeId = queue.shift()!
const children = childrenByParent.get(currentNodeId) ?? []
children.forEach((childId) => {
if (filteredNodeIds.has(childId)) return
filteredNodeIds.add(childId)
queue.push(childId)
})
}
return candidateNodes.filter((node) => !filteredNodeIds.has(node.id))
}
const getUniquePastedNodeTitle = (sourceTitle: string, reservedTitles: Set<string>) => {
let titleCandidate = sourceTitle
while (reservedTitles.has(titleCandidate)) titleCandidate = genNewNodeTitleFromOld(titleCandidate)
reservedTitles.add(titleCandidate)
return titleCandidate
}
const isNoteLinkClickTarget = (target: EventTarget | null, node: Node) => {
return (
node.type === CUSTOM_NOTE_NODE &&
target instanceof HTMLElement &&
!!target.closest('.note-editor-theme_link')
)
}
export const useNodesInteractions = () => {
const { t } = useTranslation()
const { data: appDslVersion = '' } = useQuery(
consoleQuery.appDslVersion.get.queryOptions({
staleTime: Infinity,
select: (data) => data.app_dsl_version,
}),
)
const collaborativeWorkflow = useCollaborativeWorkflow()
const workflowStore = useWorkflowStore()
const reactflow = useReactFlow()
const { store: workflowHistoryStore } = useWorkflowHistoryStore()
const { handleSyncWorkflowDraft } = useNodesSyncDraft()
const { getAfterNodesInSameBranch } = useWorkflow()
const { getNodesReadOnly } = useNodesReadOnly()
const { getWorkflowReadOnly } = useWorkflowReadOnly()
const { handleSetHelpline } = useHelpline()
const { handleNodeIterationChildDrag, handleNodeIterationChildrenCopy } =
useNodeIterationInteractions()
const { handleNodeLoopChildDrag, handleNodeLoopChildrenCopy } = useNodeLoopInteractions()
const dragNodeStartPosition = useRef({ x: 0, y: 0 } as {
x: number
y: number
})
const { nodesMap: nodesMetaDataMap } = useNodesMetaData()
const { saveStateToHistory, undo, redo } = useWorkflowHistory()
const autoGenerateWebhookUrl = useAutoGenerateWebhookUrl()
const { createInlineAgentBinding } = useCreateInlineAgentBinding()
const createInlineAgentBindingForNode = useCallback(
(
nodeId: string,
options?: {
onError?: () => void
},
) => {
workflowStore.getState().setOpenInlineAgentPanelNodeId(nodeId)
handleSyncWorkflowDraft(true, true)
createInlineAgentBinding(nodeId, {
onError: () => {
options?.onError?.()
},
onSuccess: (binding) => {
const { nodes, setNodes } = collaborativeWorkflow.getState()
setNodes(
produce(nodes, (draft) => {
const node = draft.find((node) => node.id === nodeId)
if (node) {
if (isAgentV2NodeData(node.data) && needsInlineAgentBindingCreation(node.data))
node.data.agent_binding = binding
node.data._openInlineAgentPanel = true
delete node.data._isTempNode
}
}),
)
handleSyncWorkflowDraft(true, true)
},
})
},
[collaborativeWorkflow, createInlineAgentBinding, handleSyncWorkflowDraft, workflowStore],
)
const handleNodeDragStart = useCallback<NodeDragHandler>(
(_, node) => {
workflowStore.setState({ nodeAnimation: false })
if (getNodesReadOnly()) return
if (node.type === CUSTOM_ITERATION_START_NODE || node.type === CUSTOM_NOTE_NODE) {
return
}
if (node.type === CUSTOM_LOOP_START_NODE || 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.type === CUSTOM_ITERATION_START_NODE) return
if (node.type === CUSTOM_LOOP_START_NODE) return
e.stopPropagation()
const { nodes, setNodes } = collaborativeWorkflow.getState()
const { restrictPosition } = handleNodeIterationChildDrag(node)
const { restrictPosition: restrictLoopPosition } = handleNodeLoopChildDrag(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)!
// Check if current dragging node is an entry node
const isCurrentEntryNode =
isTriggerNode(node.data.type as BlockEnum) || node.data.type === BlockEnum.Start
// X-axis alignment with offset consideration
if (showVerticalHelpLineNodesLength > 0) {
const targetNode = showVerticalHelpLineNodes[0]
const isTargetEntryNode =
isTriggerNode(targetNode!.data.type as BlockEnum) ||
targetNode!.data.type === BlockEnum.Start
// Calculate the wrapper position needed to align the inner nodes
// Target inner position = target.position + target.offset
// Current inner position should equal target inner position
// So: current.position + current.offset = target.position + target.offset
// Therefore: current.position = target.position + target.offset - current.offset
const targetOffset = isTargetEntryNode ? ENTRY_NODE_WRAPPER_OFFSET.x : 0
const currentOffset = isCurrentEntryNode ? ENTRY_NODE_WRAPPER_OFFSET.x : 0
currentNode.position.x = targetNode!.position.x + targetOffset - currentOffset
} else if (restrictPosition.x !== undefined) {
currentNode.position.x = restrictPosition.x
} else if (restrictLoopPosition.x !== undefined) {
currentNode.position.x = restrictLoopPosition.x
} else {
currentNode.position.x = node.position.x
}
// Y-axis alignment with offset consideration
if (showHorizontalHelpLineNodesLength > 0) {
const targetNode = showHorizontalHelpLineNodes[0]
const isTargetEntryNode =
isTriggerNode(targetNode!.data.type as BlockEnum) ||
targetNode!.data.type === BlockEnum.Start
const targetOffset = isTargetEntryNode ? ENTRY_NODE_WRAPPER_OFFSET.y : 0
const currentOffset = isCurrentEntryNode ? ENTRY_NODE_WRAPPER_OFFSET.y : 0
currentNode.position.y = targetNode!.position.y + targetOffset - currentOffset
} else if (restrictPosition.y !== undefined) {
currentNode.position.y = restrictPosition.y
} else if (restrictLoopPosition.y !== undefined) {
currentNode.position.y = restrictLoopPosition.y
} else {
currentNode.position.y = node.position.y
}
})
setNodes(newNodes)
},
[
getNodesReadOnly,
collaborativeWorkflow,
handleNodeIterationChildDrag,
handleNodeLoopChildDrag,
handleSetHelpline,
],
)
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()
if (x !== 0 && y !== 0) {
// selecting a note will trigger a drag stop event with x and y as 0
saveStateToHistory(WorkflowHistoryEvent.NodeDragStop, {
nodeId: node.id,
})
}
}
},
[workflowStore, getNodesReadOnly, saveStateToHistory, handleSyncWorkflowDraft],
)
const handleNodeEnter = useCallback<NodeMouseHandler>(
(_, node) => {
if (getNodesReadOnly()) return
if (node.type === CUSTOM_NOTE_NODE || node.type === CUSTOM_ITERATION_START_NODE) {
return
}
if (node.type === CUSTOM_LOOP_START_NODE || node.type === CUSTOM_NOTE_NODE) {
return
}
const { nodes, edges, setNodes, setEdges } = collaborativeWorkflow.getState()
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 &&
node.data.type !== BlockEnum.HumanInput
) {
n.data._isEntering = true
}
})
})
setNodes(newNodes, false)
}
}
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, false)
},
[collaborativeWorkflow, workflowStore, getNodesReadOnly],
)
const handleNodeLeave = useCallback<NodeMouseHandler>(
(_, node) => {
if (getNodesReadOnly()) return
if (node.type === CUSTOM_NOTE_NODE || node.type === CUSTOM_ITERATION_START_NODE) {
return
}
if (node.type === CUSTOM_NOTE_NODE || node.type === CUSTOM_LOOP_START_NODE) {
return
}
const { setEnteringNodePayload } = workflowStore.getState()
setEnteringNodePayload(undefined)
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data._isEntering = false
})
})
setNodes(newNodes, false)
const newEdges = produce(edges, (draft) => {
draft.forEach((edge) => {
edge.data._connectedNodeIsHovering = false
})
})
setEdges(newEdges, false)
},
[collaborativeWorkflow, workflowStore, getNodesReadOnly],
)
const handleNodeSelect = useCallback(
(nodeId: string, cancelSelection?: boolean, initShowLastRunTab?: boolean) => {
if (initShowLastRunTab) workflowStore.setState({ initShowLastRunTab: true })
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
const selected = node.id === nodeId && !cancelSelection
node.selected = selected
node.data.selected = selected
})
})
setNodes(newNodes, false)
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, false)
},
[collaborativeWorkflow],
)
const handleNodeClick = useCallback<NodeMouseHandler>(
(event, node) => {
const { controlMode } = workflowStore.getState()
if (controlMode === ControlMode.Comment) return
if (isNoteLinkClickTarget(event.target, node)) return
if (node.type === CUSTOM_ITERATION_START_NODE) return
if (node.type === CUSTOM_LOOP_START_NODE) return
if (node.data.type === BlockEnum.DataSourceEmpty) return
handleNodeSelect(node.id)
},
[handleNodeSelect, workflowStore],
)
const handleNodeConnect = useCallback<OnConnect>(
({ source, sourceHandle, target, targetHandle }) => {
if (source === target) return
if (getNodesReadOnly()) return
const { nodes, edges, setNodes, setEdges } = collaborativeWorkflow.getState()
const targetNode = nodes.find((node) => node.id === target!)
const sourceNode = nodes.find((node) => node.id === source!)
if (targetNode?.parentId !== sourceNode?.parentId) return
if (sourceNode?.type === CUSTOM_NOTE_NODE || targetNode?.type === CUSTOM_NOTE_NODE) {
return
}
if (
edges.some(
(edge) =>
edge.source === source &&
edge.sourceHandle === sourceHandle &&
edge.target === target &&
edge.targetHandle === targetHandle,
)
) {
return
}
const parendNode = nodes.find((node) => node.id === targetNode?.parentId)
const isInIteration = parendNode && parendNode.data.type === BlockEnum.Iteration
const isInLoop = !!parendNode && parendNode.data.type === BlockEnum.Loop
const newEdge = {
id: `${source}-${sourceHandle}-${target}-${targetHandle}`,
type: CUSTOM_EDGE,
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,
iteration_id: isInIteration ? targetNode?.parentId : undefined,
isInLoop,
loop_id: isInLoop ? targetNode?.parentId : undefined,
},
zIndex: targetNode?.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
}
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[{ 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],
}
}
})
})
const newEdges = produce(edges, (draft) => {
draft.push(newEdge)
})
setNodes(newNodes)
setEdges(newEdges)
handleSyncWorkflowDraft()
saveStateToHistory(WorkflowHistoryEvent.NodeConnect, {
nodeId: targetNode?.id,
})
},
[
getNodesReadOnly,
collaborativeWorkflow,
workflowStore,
handleSyncWorkflowDraft,
saveStateToHistory,
],
)
const handleNodeConnectStart = useCallback<OnConnectStart>(
(_, { nodeId, handleType, handleId }) => {
if (getNodesReadOnly()) return
if (nodeId && handleType) {
const { setConnectingNodePayload } = workflowStore.getState()
const { nodes } = collaborativeWorkflow.getState()
const node = nodes.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
}
setConnectingNodePayload({
nodeId,
nodeType: node.data.type,
handleType,
handleId,
})
}
},
[collaborativeWorkflow, workflowStore, getNodesReadOnly],
)
const handleNodeConnectEnd = useCallback<OnConnectEnd>(
(e) => {
if (getNodesReadOnly()) return
const {
connectingNodePayload,
setConnectingNodePayload,
enteringNodePayload,
setEnteringNodePayload,
} = workflowStore.getState()
if (connectingNodePayload && enteringNodePayload) {
const { setShowAssignVariablePopup, hoveringAssignVariableGroupId } =
workflowStore.getState()
const { screenToFlowPosition } = reactflow
const { nodes, setNodes } = collaborativeWorkflow.getState()
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 pointer = e as { x: number; y: number }
const { x, y } = screenToFlowPosition({ x: pointer.x, y: pointer.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)
},
[collaborativeWorkflow, handleNodeConnect, getNodesReadOnly, workflowStore, reactflow],
)
const { deleteNodeInspectorVars } = useInspectVarsCrud()
const handleNodeDelete = useCallback(
(nodeId: string) => {
if (getNodesReadOnly()) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const currentNodeIndex = nodes.findIndex((node) => node.id === nodeId)
const currentNode = nodes[currentNodeIndex]
if (!currentNode) return
if (nodesMetaDataMap?.[getNodeCatalogType(currentNode.data)]?.metaData.isUndeletable) {
return
}
deleteNodeInspectorVars(nodeId)
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 {
if (iterationChildren.length === 1) {
handleNodeDelete(iterationChildren[0]!.id)
handleNodeDelete(nodeId)
return
}
const { setShowConfirm, showConfirm } = workflowStore.getState()
if (!showConfirm) {
setShowConfirm({
title: t(($) => $['nodes.iteration.deleteTitle'], { ns: 'workflow' }),
desc: t(($) => $['nodes.iteration.deleteDesc'], { ns: 'workflow' }) || '',
onConfirm: () => {
iterationChildren.forEach((child) => {
handleNodeDelete(child.id)
})
handleNodeDelete(nodeId)
handleSyncWorkflowDraft()
setShowConfirm(undefined)
},
})
return
}
}
}
}
if (currentNode.data.type === BlockEnum.Loop) {
const loopChildren = nodes.filter((node) => node.parentId === currentNode.id)
if (loopChildren.length) {
if (currentNode.data._isBundled) {
loopChildren.forEach((child) => {
handleNodeDelete(child.id)
})
return handleNodeDelete(nodeId)
} else {
if (loopChildren.length === 1) {
handleNodeDelete(loopChildren[0]!.id)
handleNodeDelete(nodeId)
return
}
const { setShowConfirm, showConfirm } = workflowStore.getState()
if (!showConfirm) {
setShowConfirm({
title: t(($) => $['nodes.loop.deleteTitle'], { ns: 'workflow' }),
desc: t(($) => $['nodes.loop.deleteDesc'], { ns: 'workflow' }) || '',
onConfirm: () => {
loopChildren.forEach((child) => {
handleNodeDelete(child.id)
})
handleNodeDelete(nodeId)
handleSyncWorkflowDraft()
setShowConfirm(undefined)
},
})
return
}
}
}
}
if (currentNode.data.type === BlockEnum.DataSource) {
const { id } = currentNode
const { ragPipelineVariables, setRagPipelineVariables } = workflowStore.getState()
if (ragPipelineVariables && setRagPipelineVariables) {
const newRagPipelineVariables: RAGPipelineVariables = []
ragPipelineVariables.forEach((variable) => {
if (variable.belong_to_node_id === id) return
newRagPipelineVariables.push(variable)
})
setRagPipelineVariables(newRagPipelineVariables)
}
}
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 !== nodeId)
}
})
draft.splice(currentNodeIndex, 1)
})
setNodes(newNodes, true, 'nodes:perform-batch-cascade-delete')
const newEdges = produce(edges, (draft) => {
return draft.filter(
(edge) => !connectedEdges.some((connectedEdge) => connectedEdge.id === edge.id),
)
})
setEdges(newEdges)
handleSyncWorkflowDraft()
if (currentNode.type === CUSTOM_NOTE_NODE) {
saveStateToHistory(WorkflowHistoryEvent.NoteDelete, {
nodeId: currentNode.id,
})
} else {
saveStateToHistory(WorkflowHistoryEvent.NodeDelete, {
nodeId: currentNode.id,
})
}
},
[
getNodesReadOnly,
collaborativeWorkflow,
handleSyncWorkflowDraft,
saveStateToHistory,
workflowStore,
t,
nodesMetaDataMap,
deleteNodeInspectorVars,
],
)
const handleNodeAdd = useCallback<OnNodeAdd>(
(
{ nodeType, sourceHandle = 'source', targetHandle = 'target', pluginDefaultValue },
{ prevNodeId, prevNodeSourceHandle, nextNodeId, nextNodeTargetHandle },
) => {
if (getNodesReadOnly()) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const nodeMetaData = nodesMetaDataMap?.[nodeType]
if (!nodeMetaData) return
const { defaultValue } = nodeMetaData
const nodesWithSameType = getNodesWithSameDefaultDataType(nodes, nodeType, defaultValue)
const shouldCreateInlineAgentBinding =
nodeType === BlockEnum.AgentV2 &&
agentV2NodeDefaultsNeedInlineBinding(defaultValue, pluginDefaultValue)
const { newNode, newIterationStartNode, newLoopStartNode } = generateNewNode({
type: getNodeCustomTypeByNodeDataType(nodeType),
data: {
...(defaultValue as Node['data']),
title:
nodesWithSameType.length > 0
? `${defaultValue.title} ${nodesWithSameType.length + 1}`
: defaultValue.title,
...pluginDefaultValue,
selected: true,
...(shouldCreateInlineAgentBinding ? { _isTempNode: 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.at(-1)
newNode.data._connectedTargetHandleIds =
nodeType === BlockEnum.DataSource ? [] : [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
const parentNode = nodes.find((node) => node.id === prevNode!.parentId) || null
const isInIteration = !!parentNode && parentNode.data.type === BlockEnum.Iteration
const isInLoop = !!parentNode && parentNode.data.type === BlockEnum.Loop
if (prevNode!.parentId) {
newNode.data.isInIteration = isInIteration
newNode.data.isInLoop = isInLoop
if (isInIteration) {
newNode.data.iteration_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
if (isInLoop) {
newNode.data.loop_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
if (
isInIteration &&
(newNode.data.type === BlockEnum.Answer ||
newNode.data.type === BlockEnum.Tool ||
newNode.data.type === BlockEnum.Assigner)
) {
const iterNodeData: IterationNodeType = parentNode.data
iterNodeData._isShowTips = true
}
if (
isInLoop &&
(newNode.data.type === BlockEnum.Answer ||
newNode.data.type === BlockEnum.Tool ||
newNode.data.type === BlockEnum.Assigner)
) {
const iterNodeData: IterationNodeType = parentNode.data
iterNodeData._isShowTips = true
}
}
let newEdge = null
if (nodeType !== BlockEnum.DataSource) {
newEdge = {
id: `${prevNodeId}-${prevNodeSourceHandle}-${newNode.id}-${targetHandle}`,
type: CUSTOM_EDGE,
source: prevNodeId,
sourceHandle: prevNodeSourceHandle,
target: newNode.id,
targetHandle,
data: {
sourceType: prevNode!.data.type,
targetType: newNode.data.type,
isInIteration,
isInLoop,
iteration_id: isInIteration ? prevNode!.parentId : undefined,
loop_id: isInLoop ? prevNode!.parentId : undefined,
_connectedNodeIsSelected: true,
},
zIndex: prevNode!.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
}
}
const nodesConnectedSourceOrTargetHandleIdsMap =
getNodesConnectedSourceOrTargetHandleIdsMap(
newEdge ? [{ 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({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
if (node.data.type === BlockEnum.Loop && prevNode!.parentId === node.id) {
node.data._children?.push({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
})
draft.push(newNode)
if (newIterationStartNode) draft.push(newIterationStartNode)
if (newLoopStartNode) draft.push(newLoopStartNode)
})
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,
}
})
if (newEdge) draft.push(newEdge)
})
setNodes(newNodes)
setEdges(newEdges)
}
if (!prevNodeId && nextNodeId) {
const nextNodeIndex = nodes.findIndex((node) => node.id === nextNodeId)
const nextNode = nodes[nextNodeIndex]!
if (
nodeType !== BlockEnum.IfElse &&
nodeType !== BlockEnum.QuestionClassifier &&
nodeType !== BlockEnum.HumanInput
) {
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
const parentNode = nodes.find((node) => node.id === nextNode.parentId) || null
const isInIteration = !!parentNode && parentNode.data.type === BlockEnum.Iteration
const isInLoop = !!parentNode && parentNode.data.type === BlockEnum.Loop
if (parentNode && nextNode.parentId) {
newNode.data.isInIteration = isInIteration
newNode.data.isInLoop = isInLoop
if (isInIteration) {
newNode.data.iteration_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
if (isInLoop) {
newNode.data.loop_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
}
let newEdge
if (
nodeType !== BlockEnum.IfElse &&
nodeType !== BlockEnum.QuestionClassifier &&
nodeType !== BlockEnum.HumanInput &&
nodeType !== BlockEnum.LoopEnd
) {
newEdge = {
id: `${newNode.id}-${sourceHandle}-${nextNodeId}-${nextNodeTargetHandle}`,
type: CUSTOM_EDGE,
source: newNode.id,
sourceHandle,
target: nextNodeId,
targetHandle: nextNodeTargetHandle,
data: {
sourceType: newNode.data.type,
targetType: nextNode.data.type,
isInIteration,
isInLoop,
iteration_id: isInIteration ? nextNode.parentId : undefined,
loop_id: isInLoop ? nextNode.parentId : undefined,
_connectedNodeIsSelected: true,
},
zIndex: nextNode.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
}
}
let nodesConnectedSourceOrTargetHandleIdsMap: ReturnType<
typeof getNodesConnectedSourceOrTargetHandleIdsMap
>
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({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
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.data.type === BlockEnum.Loop && nextNode.parentId === node.id) {
node.data._children?.push({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
if (node.data.type === BlockEnum.Loop && node.data.start_node_id === nextNodeId) {
node.data.start_node_id = newNode.id
node.data.startNodeType = newNode.data.type
}
})
draft.push(newNode)
if (newIterationStartNode) draft.push(newIterationStartNode)
if (newLoopStartNode) draft.push(newLoopStartNode)
})
if (newEdge) {
const newEdges = produce(edges, (draft) => {
draft.forEach((item) => {
item.data = {
...item.data,
_connectedNodeIsSelected: false,
}
})
draft.push(newEdge)
})
setNodes(newNodes)
setEdges(newEdges)
} else {
setNodes(newNodes)
}
}
if (prevNodeId && nextNodeId) {
const prevNode = nodes.find((node) => node.id === prevNodeId)!
const nextNode = nodes.find((node) => node.id === nextNodeId)!
newNode.data._connectedTargetHandleIds =
nodeType === BlockEnum.DataSource ? [] : [targetHandle]
newNode.data._connectedSourceHandleIds = [sourceHandle]
newNode.position = {
x: nextNode.position.x,
y: nextNode.position.y,
}
newNode.parentId = prevNode.parentId
newNode.extent = prevNode.extent
const parentNode = nodes.find((node) => node.id === prevNode.parentId) || null
const isInIteration = !!parentNode && parentNode.data.type === BlockEnum.Iteration
const isInLoop = !!parentNode && parentNode.data.type === BlockEnum.Loop
if (parentNode && prevNode.parentId) {
newNode.data.isInIteration = isInIteration
newNode.data.isInLoop = isInLoop
if (isInIteration) {
newNode.data.iteration_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
if (isInLoop) {
newNode.data.loop_id = parentNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
}
}
const currentEdgeIndex = edges.findIndex(
(edge) => edge.source === prevNodeId && edge.target === nextNodeId,
)
let newPrevEdge = null
if (nodeType !== BlockEnum.DataSource) {
newPrevEdge = {
id: `${prevNodeId}-${prevNodeSourceHandle}-${newNode.id}-${targetHandle}`,
type: CUSTOM_EDGE,
source: prevNodeId,
sourceHandle: prevNodeSourceHandle,
target: newNode.id,
targetHandle,
data: {
sourceType: prevNode.data.type,
targetType: newNode.data.type,
isInIteration,
isInLoop,
iteration_id: isInIteration ? prevNode.parentId : undefined,
loop_id: isInLoop ? prevNode.parentId : undefined,
_connectedNodeIsSelected: true,
},
zIndex: prevNode.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
}
}
let newNextEdge: Edge | null = null
const nextNodeParentNode = nodes.find((node) => node.id === nextNode.parentId) || null
const isNextNodeInIteration =
!!nextNodeParentNode && nextNodeParentNode.data.type === BlockEnum.Iteration
const isNextNodeInLoop =
!!nextNodeParentNode && nextNodeParentNode.data.type === BlockEnum.Loop
if (
nodeType !== BlockEnum.IfElse &&
nodeType !== BlockEnum.QuestionClassifier &&
nodeType !== BlockEnum.HumanInput &&
nodeType !== BlockEnum.LoopEnd
) {
newNextEdge = {
id: `${newNode.id}-${sourceHandle}-${nextNodeId}-${nextNodeTargetHandle}`,
type: CUSTOM_EDGE,
source: newNode.id,
sourceHandle,
target: nextNodeId,
targetHandle: nextNodeTargetHandle,
data: {
sourceType: newNode.data.type,
targetType: nextNode.data.type,
isInIteration: isNextNodeInIteration,
isInLoop: isNextNodeInLoop,
iteration_id: isNextNodeInIteration ? nextNode.parentId : undefined,
loop_id: isNextNodeInLoop ? nextNode.parentId : undefined,
_connectedNodeIsSelected: true,
},
zIndex: nextNode.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
}
}
const nodesConnectedSourceOrTargetHandleIdsMap =
getNodesConnectedSourceOrTargetHandleIdsMap(
[
{ type: 'remove', edge: edges[currentEdgeIndex]! },
...(newPrevEdge ? [{ 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({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
if (node.data.type === BlockEnum.Loop && prevNode.parentId === node.id) {
node.data._children?.push({
nodeId: newNode.id,
nodeType: newNode.data.type,
})
}
})
draft.push(newNode)
if (newIterationStartNode) draft.push(newIterationStartNode)
if (newLoopStartNode) draft.push(newLoopStartNode)
})
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,
}
})
if (newPrevEdge) draft.push(newPrevEdge)
if (newNextEdge) draft.push(newNextEdge)
})
setEdges(newEdges)
}
if (isAgentV2NodeData(newNode.data) && needsInlineAgentBindingCreation(newNode.data)) {
saveStateToHistory(WorkflowHistoryEvent.NodeAdd, { nodeId: newNode.id })
createInlineAgentBindingForNode(newNode.id, {
onError: () => {
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
setNodes(nodes.filter((node) => node.id !== newNode.id))
setEdges(
edges.filter((edge) => edge.source !== newNode.id && edge.target !== newNode.id),
)
},
})
return
}
handleSyncWorkflowDraft()
saveStateToHistory(WorkflowHistoryEvent.NodeAdd, { nodeId: newNode.id })
},
[
getNodesReadOnly,
collaborativeWorkflow,
handleSyncWorkflowDraft,
createInlineAgentBindingForNode,
saveStateToHistory,
workflowStore,
getAfterNodesInSameBranch,
nodesMetaDataMap,
],
)
const handleNodeChange = useCallback(
(
currentNodeId: string,
nodeType: BlockEnum,
sourceHandle: string,
pluginDefaultValue?: BlockDefaultValue,
) => {
if (getNodesReadOnly()) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const currentNode = nodes.find((node) => node.id === currentNodeId)!
const connectedEdges = getConnectedEdges([currentNode], edges)
const nodeMetaData = nodesMetaDataMap?.[nodeType]
if (!nodeMetaData) return
const { defaultValue } = nodeMetaData
const nodesWithSameType = getNodesWithSameDefaultDataType(nodes, nodeType, defaultValue)
const shouldCreateInlineAgentBinding =
nodeType === BlockEnum.AgentV2 &&
agentV2NodeDefaultsNeedInlineBinding(defaultValue, pluginDefaultValue)
const {
newNode: newCurrentNode,
newIterationStartNode,
newLoopStartNode,
} = generateNewNode({
type: getNodeCustomTypeByNodeDataType(nodeType),
data: {
...(defaultValue as Node['data']),
title:
nodesWithSameType.length > 0
? `${defaultValue.title} ${nodesWithSameType.length + 1}`
: defaultValue.title,
...pluginDefaultValue,
...(shouldCreateInlineAgentBinding ? { _isTempNode: true } : {}),
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
selected: currentNode.data.selected,
isInIteration: currentNode.data.isInIteration,
isInLoop: currentNode.data.isInLoop,
iteration_id: currentNode.data.iteration_id,
loop_id: currentNode.data.loop_id,
},
position: {
x: currentNode.position.x,
y: currentNode.position.y,
},
parentId: currentNode.parentId,
extent: currentNode.extent,
zIndex: currentNode.zIndex,
})
const parentNode = nodes.find((node) => node.id === currentNode.parentId)
const newNodeIsInIteration = !!parentNode && parentNode.data.type === BlockEnum.Iteration
const newNodeIsInLoop = !!parentNode && parentNode.data.type === BlockEnum.Loop
const outgoingEdges = connectedEdges.filter((edge) => edge.source === currentNodeId)
const normalizedSourceHandle = sourceHandle || 'source'
const outgoingHandles = new Set(outgoingEdges.map((edge) => edge.sourceHandle || 'source'))
const branchSourceHandle = currentNode.data._targetBranches?.[0]?.id
let outgoingHandleToPreserve = normalizedSourceHandle
if (!outgoingHandles.has(outgoingHandleToPreserve)) {
if (branchSourceHandle && outgoingHandles.has(branchSourceHandle))
outgoingHandleToPreserve = branchSourceHandle
else if (outgoingHandles.has('source')) outgoingHandleToPreserve = 'source'
else outgoingHandleToPreserve = outgoingEdges[0]?.sourceHandle || 'source'
}
const outgoingEdgesToPreserve = outgoingEdges.filter(
(edge) => (edge.sourceHandle || 'source') === outgoingHandleToPreserve,
)
const outgoingEdgeIds = new Set(outgoingEdgesToPreserve.map((edge) => edge.id))
const newNodeSourceHandle = newCurrentNode.data._targetBranches?.[0]?.id || 'source'
const reconnectedEdges = connectedEdges.reduce<Edge[]>((acc, edge) => {
if (outgoingEdgeIds.has(edge.id)) {
const originalTargetNode = nodes.find((node) => node.id === edge.target)
const targetNodeForEdge =
originalTargetNode && originalTargetNode.id !== currentNodeId
? originalTargetNode
: newCurrentNode
if (!targetNodeForEdge) return acc
const targetHandle = edge.targetHandle || 'target'
const targetParentNode =
targetNodeForEdge.id === newCurrentNode.id
? parentNode || null
: nodes.find((node) => node.id === targetNodeForEdge.parentId) || null
const isInIteration =
!!targetParentNode && targetParentNode.data.type === BlockEnum.Iteration
const isInLoop = !!targetParentNode && targetParentNode.data.type === BlockEnum.Loop
acc.push({
...edge,
id: `${newCurrentNode.id}-${newNodeSourceHandle}-${targetNodeForEdge.id}-${targetHandle}`,
source: newCurrentNode.id,
sourceHandle: newNodeSourceHandle,
target: targetNodeForEdge.id,
targetHandle,
type: CUSTOM_EDGE,
data: {
...edge.data,
sourceType: newCurrentNode.data.type,
targetType: targetNodeForEdge.data.type,
isInIteration,
iteration_id: isInIteration ? targetNodeForEdge.parentId : undefined,
isInLoop,
loop_id: isInLoop ? targetNodeForEdge.parentId : undefined,
_connectedNodeIsSelected: false,
},
zIndex: targetNodeForEdge.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
})
}
if (
edge.target === currentNodeId &&
edge.source !== currentNodeId &&
!outgoingEdgeIds.has(edge.id)
) {
const sourceNode = nodes.find((node) => node.id === edge.source)
if (!sourceNode) return acc
const targetHandle = edge.targetHandle || 'target'
const sourceHandle = edge.sourceHandle || 'source'
acc.push({
...edge,
id: `${sourceNode.id}-${sourceHandle}-${newCurrentNode.id}-${targetHandle}`,
source: sourceNode.id,
sourceHandle,
target: newCurrentNode.id,
targetHandle,
type: CUSTOM_EDGE,
data: {
...edge.data,
sourceType: sourceNode.data.type,
targetType: newCurrentNode.data.type,
isInIteration: newNodeIsInIteration,
iteration_id: newNodeIsInIteration ? newCurrentNode.parentId : undefined,
isInLoop: newNodeIsInLoop,
loop_id: newNodeIsInLoop ? newCurrentNode.parentId : undefined,
_connectedNodeIsSelected: false,
},
zIndex: newCurrentNode.parentId ? NESTED_ELEMENT_Z_INDEX : 0,
})
}
return acc
}, [])
const nodesWithNewNode = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
})
const index = draft.findIndex((node) => node.id === currentNodeId)
draft.splice(index, 1, newCurrentNode)
if (newIterationStartNode) draft.push(newIterationStartNode)
if (newLoopStartNode) draft.push(newLoopStartNode)
})
const nodesConnectedSourceOrTargetHandleIdsMap = getNodesConnectedSourceOrTargetHandleIdsMap(
[
...connectedEdges.map((edge) => ({ type: 'remove', edge })),
...reconnectedEdges.map((edge) => ({ type: 'add', edge })),
],
nodesWithNewNode,
)
const newNodes = produce(nodesWithNewNode, (draft) => {
draft.forEach((node) => {
if (nodesConnectedSourceOrTargetHandleIdsMap[node.id]) {
node.data = {
...node.data,
...nodesConnectedSourceOrTargetHandleIdsMap[node.id],
}
}
})
})
setNodes(newNodes)
const remainingEdges = edges.filter(
(edge) => !connectedEdges.some((connectedEdge) => connectedEdge.id === edge.id),
)
setEdges([...remainingEdges, ...reconnectedEdges])
if (nodeType === BlockEnum.TriggerWebhook) {
handleSyncWorkflowDraft(true, true, {
onSuccess: () => autoGenerateWebhookUrl(newCurrentNode.id),
})
} else if (
isAgentV2NodeData(newCurrentNode.data) &&
needsInlineAgentBindingCreation(newCurrentNode.data)
) {
createInlineAgentBindingForNode(newCurrentNode.id, {
onError: () => {
const { setNodes, setEdges } = collaborativeWorkflow.getState()
setNodes(nodes)
setEdges(edges)
},
})
} else {
handleSyncWorkflowDraft()
}
saveStateToHistory(WorkflowHistoryEvent.NodeChange, {
nodeId: currentNodeId,
})
},
[
getNodesReadOnly,
collaborativeWorkflow,
handleSyncWorkflowDraft,
createInlineAgentBindingForNode,
saveStateToHistory,
nodesMetaDataMap,
autoGenerateWebhookUrl,
],
)
const handleNodesCancelSelected = useCallback(() => {
const { nodes, setNodes } = collaborativeWorkflow.getState()
const newNodes = produce(nodes, (draft) => {
draft.forEach((node) => {
node.data.selected = false
})
})
setNodes(newNodes)
}, [collaborativeWorkflow])
const handleNodeContextMenu = useCallback(
(e: MouseEvent, node: Node) => {
if (node.type === CUSTOM_NOTE_NODE || node.type === CUSTOM_ITERATION_START_NODE) {
e.stopPropagation()
return
}
if (node.type === CUSTOM_NOTE_NODE || node.type === CUSTOM_LOOP_START_NODE) {
e.stopPropagation()
return
}
e.preventDefault()
workflowStore.setState({
contextMenuTarget: {
type: 'node',
nodeId: node.id,
},
})
handleNodeSelect(node.id, true)
},
[workflowStore, handleNodeSelect],
)
const isNodeCopyable = useCallback(
(node: Node) => {
if (node.type === CUSTOM_ITERATION_START_NODE || node.type === CUSTOM_LOOP_START_NODE) {
return false
}
if (
node.data.type === BlockEnum.Start ||
node.data.type === BlockEnum.LoopEnd ||
node.data.type === BlockEnum.KnowledgeBase ||
node.data.type === BlockEnum.DataSourceEmpty
) {
return false
}
if (node.type === CUSTOM_NOTE_NODE) return true
const nodeMeta = nodesMetaDataMap?.[getNodeCatalogType(node.data)]
if (!nodeMeta) return false
const { metaData } = nodeMeta
return !metaData.isSingleton
},
[nodesMetaDataMap],
)
const getNodeDefaultValueForPaste = useCallback(
(node: Node) => {
if (node.type === CUSTOM_NOTE_NODE) return {}
const nodeMeta = nodesMetaDataMap?.[getNodeCatalogType(node.data)]
return nodeMeta?.defaultValue
},
[nodesMetaDataMap],
)
const handleNodesCopy = useCallback(
(nodeId?: string) => {
if (getNodesReadOnly()) return
const { setClipboardData } = workflowStore.getState()
const { nodes, edges } = collaborativeWorkflow.getState()
let nodesToCopy: Node[] = []
if (nodeId) {
const nodeToCopy = nodes.find((node) => node.id === nodeId && isNodeCopyable(node))
if (nodeToCopy) nodesToCopy = [nodeToCopy]
} else {
const bundledNodes = nodes.filter((node) => {
if (!node.data._isBundled) return false
if (!isNodeCopyable(node)) return false
if (node.type === CUSTOM_NOTE_NODE) return true
return !node.data.isInIteration && !node.data.isInLoop
})
if (bundledNodes.length) {
nodesToCopy = bundledNodes
} else {
const selectedNodes = nodes.filter((node) => node.data.selected && isNodeCopyable(node))
if (selectedNodes.length) nodesToCopy = selectedNodes
}
}
if (!nodesToCopy.length) return
const copiedNodesMap = new Map(nodesToCopy.map((node) => [node.id, node]))
const queue = nodesToCopy
.filter(
(node) => node.data.type === BlockEnum.Iteration || node.data.type === BlockEnum.Loop,
)
.map((node) => node.id)
while (queue.length) {
const parentId = queue.shift()!
nodes.forEach((node) => {
if (node.parentId !== parentId || copiedNodesMap.has(node.id)) return
copiedNodesMap.set(node.id, node)
if (node.data.type === BlockEnum.Iteration || node.data.type === BlockEnum.Loop)
queue.push(node.id)
})
}
const copiedNodes = [...copiedNodesMap.values()]
const copiedNodeIds = new Set(copiedNodes.map((node) => node.id))
const copiedEdges = edges.filter(
(edge) => copiedNodeIds.has(edge.source) && copiedNodeIds.has(edge.target),
)
const clipboardData = {
nodes: copiedNodes,
edges: copiedEdges,
}
setClipboardData(clipboardData)
void writeWorkflowClipboard(clipboardData, appDslVersion).catch(() => {})
},
[getNodesReadOnly, workflowStore, collaborativeWorkflow, isNodeCopyable, appDslVersion],
)
const handleNodesPaste = useCallback(async () => {
if (getNodesReadOnly()) return
const {
clipboardElements: storeClipboardElements,
clipboardEdges: storeClipboardEdges,
mousePosition,
setClipboardData,
} = workflowStore.getState()
const clipboardData = await readWorkflowClipboard(appDslVersion)
const hasSystemClipboard = clipboardData.nodes.length > 0
const shouldRunCompatibilityCheck = hasSystemClipboard && clipboardData.isVersionMismatch
const clipboardElements = hasSystemClipboard ? clipboardData.nodes : storeClipboardElements
const clipboardEdges = hasSystemClipboard ? clipboardData.edges : storeClipboardEdges
if (hasSystemClipboard) setClipboardData(clipboardData)
const validatedClipboardElements = clipboardElements.filter(isClipboardNodeStructurallyValid)
const validatedClipboardEdges = clipboardEdges.filter(isClipboardEdgeStructurallyValid)
if (!validatedClipboardElements.length) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const reservedNodeTitles = new Set(
nodes
.map((node) => node.data.title)
.filter((title): title is string => typeof title === 'string'),
)
const nodesToPaste: Node[] = []
const edgesToPaste: Edge[] = []
let compatibleClipboardElements = validatedClipboardElements.filter((node) => {
if (node.type === CUSTOM_NOTE_NODE) return true
const nodeDefaultValue = getNodeDefaultValueForPaste(node)
if (!nodeDefaultValue) return false
if (
shouldRunCompatibilityCheck &&
!isClipboardValueCompatibleWithDefault(nodeDefaultValue, node.data)
) {
return false
}
return true
})
if (shouldRunCompatibilityCheck) {
compatibleClipboardElements = pruneClipboardNodesWithFilteredAncestors(
validatedClipboardElements,
compatibleClipboardElements,
)
}
const compatibleClipboardNodeIds = new Set(compatibleClipboardElements.map((node) => node.id))
const filteredNodeCount = shouldRunCompatibilityCheck
? validatedClipboardElements.length - compatibleClipboardElements.length
: 0
const filteredEdgeCount = shouldRunCompatibilityCheck
? validatedClipboardEdges.filter(
(edge) =>
!compatibleClipboardNodeIds.has(edge.source) ||
!compatibleClipboardNodeIds.has(edge.target),
).length
: 0
if (shouldRunCompatibilityCheck && (filteredNodeCount > 0 || filteredEdgeCount > 0)) {
toast.warning(
t(($) => $['common.clipboardVersionCompatibilityWarning'], {
ns: 'workflow',
}),
)
}
if (!compatibleClipboardElements.length) return
const rootClipboardNodes = compatibleClipboardElements.filter(
(node) => !node.parentId || !compatibleClipboardNodeIds.has(node.parentId),
)
const positionReferenceNodes = rootClipboardNodes.length
? rootClipboardNodes
: compatibleClipboardElements
const { x, y } = getTopLeftNodePosition(positionReferenceNodes)
const { screenToFlowPosition } = reactflow
const currentPosition = screenToFlowPosition({
x: mousePosition.pageX,
y: mousePosition.pageY,
})
const offsetX = currentPosition.x - x
const offsetY = currentPosition.y - y
let idMapping: Record<string, string> = {}
const pastedNodesMap: Record<string, Node> = {}
const parentChildrenToAppend: { parentId: string; childId: string; childType: BlockEnum }[] = []
const selectedNodes = nodes.filter((node) => node.selected)
// Keep this list aligned with availableBlocksFilter(inContainer)
// in use-available-blocks.ts.
const commonNestedDisallowPasteNodes = [
BlockEnum.End,
BlockEnum.Iteration,
BlockEnum.Loop,
BlockEnum.DataSource,
BlockEnum.KnowledgeBase,
BlockEnum.HumanInput,
]
// Same-canvas copy keeps the source container selected, so only treat a
// selected container as the paste target when it is not part of the clipboard.
const selectedContainerNode =
selectedNodes.length === 1 &&
(selectedNodes[0]?.data.type === BlockEnum.Iteration ||
selectedNodes[0]?.data.type === BlockEnum.Loop) &&
!compatibleClipboardNodeIds.has(selectedNodes[0].id)
? selectedNodes[0]
: undefined
rootClipboardNodes.forEach((nodeToPaste, index) => {
const nodeDefaultValue = getNodeDefaultValueForPaste(nodeToPaste)
if (nodeToPaste.type !== CUSTOM_NOTE_NODE && !nodeDefaultValue) return
if (selectedContainerNode && commonNestedDisallowPasteNodes.includes(nodeToPaste.data.type))
return
const mergedData = shouldRunCompatibilityCheck
? (sanitizeClipboardValueByDefault(nodeDefaultValue ?? {}, nodeToPaste.data) as Record<
string,
unknown
>)
: {
...(nodeToPaste.type !== CUSTOM_NOTE_NODE ? nodeDefaultValue : {}),
...nodeToPaste.data,
}
const sourceTitle =
typeof mergedData.title === 'string'
? mergedData.title
: typeof nodeToPaste.data.title === 'string'
? nodeToPaste.data.title
: 'Node'
const sourceDesc =
typeof mergedData.desc === 'string'
? mergedData.desc
: typeof nodeToPaste.data.desc === 'string'
? nodeToPaste.data.desc
: ''
const { newNode, newIterationStartNode, newLoopStartNode } = generateNewNode({
type: nodeToPaste.type,
data: {
...mergedData,
type: nodeToPaste.data.type,
desc: sourceDesc,
selected: false,
_isBundled: false,
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
_dimmed: false,
isInIteration: false,
iteration_id: undefined,
isInLoop: false,
loop_id: undefined,
title: getUniquePastedNodeTitle(sourceTitle, reservedNodeTitles),
},
position: {
x: nodeToPaste.position.x + offsetX,
y: nodeToPaste.position.y + offsetY,
},
extent: nodeToPaste.extent,
zIndex: 0,
})
newNode.id = newNode.id + index
let newChildren: Node[] = []
if (nodeToPaste.data.type === BlockEnum.Iteration) {
if (newIterationStartNode) {
newIterationStartNode.parentId = newNode.id
const iterationNodeData = newNode.data as IterationNodeType
iterationNodeData.start_node_id = newIterationStartNode.id
}
const oldIterationStartNodeInClipboard = compatibleClipboardElements.find(
(n) => n.parentId === nodeToPaste.id && n.type === CUSTOM_ITERATION_START_NODE,
)
if (oldIterationStartNodeInClipboard && newIterationStartNode)
idMapping[oldIterationStartNodeInClipboard.id] = newIterationStartNode.id
const copiedIterationChildren = compatibleClipboardElements.filter(
(n) => n.parentId === nodeToPaste.id && n.type !== CUSTOM_ITERATION_START_NODE,
)
if (copiedIterationChildren.length) {
copiedIterationChildren.forEach((child, childIndex) => {
const childType = child.data.type
const childDefaultValue = getNodeDefaultValueForPaste(child)
if (child.type !== CUSTOM_NOTE_NODE && !childDefaultValue) return
const mergedChildData = shouldRunCompatibilityCheck
? (sanitizeClipboardValueByDefault(childDefaultValue ?? {}, child.data) as Record<
string,
unknown
>)
: {
...(child.type !== CUSTOM_NOTE_NODE ? childDefaultValue : {}),
...child.data,
}
const childSourceTitle =
typeof mergedChildData.title === 'string'
? mergedChildData.title
: typeof child.data.title === 'string'
? child.data.title
: 'Node'
const childSourceDesc =
typeof mergedChildData.desc === 'string'
? mergedChildData.desc
: typeof child.data.desc === 'string'
? child.data.desc
: ''
const { newNode: newChild } = generateNewNode({
type: child.type,
data: {
...mergedChildData,
desc: childSourceDesc,
selected: false,
_isBundled: false,
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
_dimmed: false,
title: getUniquePastedNodeTitle(childSourceTitle, reservedNodeTitles),
isInIteration: true,
iteration_id: newNode.id,
isInLoop: false,
loop_id: undefined,
type: childType,
},
position: child.position,
positionAbsolute: child.positionAbsolute,
parentId: newNode.id,
extent: child.extent,
zIndex: NESTED_ELEMENT_Z_INDEX,
})
newChild.id = `${newNode.id}${newChild.id + childIndex}`
idMapping[child.id] = newChild.id
newChildren.push(newChild)
})
} else {
const oldIterationStartNode = nodes.find(
(n) => n.parentId === nodeToPaste.id && n.type === CUSTOM_ITERATION_START_NODE,
)
if (oldIterationStartNode && newIterationStartNode)
idMapping[oldIterationStartNode.id] = newIterationStartNode.id
const { copyChildren, newIdMapping } = handleNodeIterationChildrenCopy(
nodeToPaste.id,
newNode.id,
idMapping,
)
newChildren = copyChildren
idMapping = newIdMapping
}
newChildren.forEach((child) => {
newNode.data._children?.push({
nodeId: child.id,
nodeType: child.data.type,
})
})
if (newIterationStartNode) newChildren.push(newIterationStartNode)
} else if (nodeToPaste.data.type === BlockEnum.Loop) {
if (newLoopStartNode) {
newLoopStartNode.parentId = newNode.id
const loopNodeData = newNode.data as LoopNodeType
loopNodeData.start_node_id = newLoopStartNode.id
}
const oldLoopStartNodeInClipboard = compatibleClipboardElements.find(
(n) => n.parentId === nodeToPaste.id && n.type === CUSTOM_LOOP_START_NODE,
)
if (oldLoopStartNodeInClipboard && newLoopStartNode)
idMapping[oldLoopStartNodeInClipboard.id] = newLoopStartNode.id
const copiedLoopChildren = compatibleClipboardElements.filter(
(n) => n.parentId === nodeToPaste.id && n.type !== CUSTOM_LOOP_START_NODE,
)
if (copiedLoopChildren.length) {
copiedLoopChildren.forEach((child, childIndex) => {
const childType = child.data.type
const childDefaultValue = getNodeDefaultValueForPaste(child)
if (child.type !== CUSTOM_NOTE_NODE && !childDefaultValue) return
const mergedChildData = shouldRunCompatibilityCheck
? (sanitizeClipboardValueByDefault(childDefaultValue ?? {}, child.data) as Record<
string,
unknown
>)
: {
...(child.type !== CUSTOM_NOTE_NODE ? childDefaultValue : {}),
...child.data,
}
const childSourceTitle =
typeof mergedChildData.title === 'string'
? mergedChildData.title
: typeof child.data.title === 'string'
? child.data.title
: 'Node'
const childSourceDesc =
typeof mergedChildData.desc === 'string'
? mergedChildData.desc
: typeof child.data.desc === 'string'
? child.data.desc
: ''
const { newNode: newChild } = generateNewNode({
type: child.type,
data: {
...mergedChildData,
desc: childSourceDesc,
selected: false,
_isBundled: false,
_connectedSourceHandleIds: [],
_connectedTargetHandleIds: [],
_dimmed: false,
title: getUniquePastedNodeTitle(childSourceTitle, reservedNodeTitles),
isInIteration: false,
iteration_id: undefined,
isInLoop: true,
loop_id: newNode.id,
type: childType,
},
position: child.position,
positionAbsolute: child.positionAbsolute,
parentId: newNode.id,
extent: child.extent,
zIndex: NESTED_ELEMENT_Z_INDEX,
})
newChild.id = `${newNode.id}${newChild.id + childIndex}`
idMapping[child.id] = newChild.id
newChildren.push(newChild)
})
} else {
const oldLoopStartNode = nodes.find(
(n) => n.parentId === nodeToPaste.id && n.type === CUSTOM_LOOP_START_NODE,
)
if (oldLoopStartNode && newLoopStartNode)
idMapping[oldLoopStartNode.id] = newLoopStartNode.id
const { copyChildren, newIdMapping } = handleNodeLoopChildrenCopy(
nodeToPaste.id,
newNode.id,
idMapping,
)
newChildren = copyChildren
idMapping = newIdMapping
}
newChildren.forEach((child) => {
newNode.data._children?.push({
nodeId: child.id,
nodeType: child.data.type,
})
})
if (newLoopStartNode) newChildren.push(newLoopStartNode)
} else if (selectedContainerNode) {
if (
selectedContainerNode.data.type === BlockEnum.Iteration ||
selectedContainerNode.data.type === BlockEnum.Loop
) {
const isIteration = selectedContainerNode.data.type === BlockEnum.Iteration
newNode.data.isInIteration = isIteration
newNode.data.iteration_id = isIteration ? selectedContainerNode.id : undefined
newNode.data.isInLoop = !isIteration
newNode.data.loop_id = !isIteration ? selectedContainerNode.id : undefined
newNode.parentId = selectedContainerNode.id
newNode.zIndex = NESTED_ELEMENT_Z_INDEX
newNode.positionAbsolute = {
x: newNode.position.x,
y: newNode.position.y,
}
newNode.position = getNestedNodePosition(newNode, selectedContainerNode)
parentChildrenToAppend.push({
parentId: selectedContainerNode.id,
childId: newNode.id,
childType: newNode.data.type,
})
}
}
idMapping[nodeToPaste.id] = newNode.id
nodesToPaste.push(newNode)
pastedNodesMap[newNode.id] = newNode
if (newChildren.length) {
newChildren.forEach((child) => {
pastedNodesMap[child.id] = child
})
nodesToPaste.push(...newChildren)
}
})
const sourceEdges = validatedClipboardEdges
sourceEdges.forEach((edge) => {
const sourceId = idMapping[edge.source]
const targetId = idMapping[edge.target]
if (sourceId && targetId) {
const sourceNode = pastedNodesMap[sourceId]
const targetNode = pastedNodesMap[targetId]
if (!sourceNode || !targetNode) return
const parentNode =
sourceNode.parentId && sourceNode.parentId === targetNode.parentId
? (pastedNodesMap[sourceNode.parentId] ??
nodes.find((n) => n.id === sourceNode.parentId))
: null
const isInIteration = parentNode?.data.type === BlockEnum.Iteration
const isInLoop = parentNode?.data.type === BlockEnum.Loop
const newEdge: Edge = {
...edge,
id: `${sourceId}-${edge.sourceHandle}-${targetId}-${edge.targetHandle}`,
source: sourceId,
target: targetId,
data: {
...(edge.data || {}),
sourceType: sourceNode.data.type,
targetType: targetNode.data.type,
isInIteration,
iteration_id: isInIteration ? parentNode?.id : undefined,
isInLoop,
loop_id: isInLoop ? parentNode?.id : undefined,
_connectedNodeIsSelected: false,
},
zIndex: parentNode && (isInIteration || isInLoop) ? NESTED_ELEMENT_Z_INDEX : 0,
}
edgesToPaste.push(newEdge)
}
})
const newNodes = produce(nodes, (draft: Node[]) => {
parentChildrenToAppend.forEach(({ parentId, childId, childType }) => {
const p = draft.find((n) => n.id === parentId)
if (p) p.data._children?.push({ nodeId: childId, nodeType: childType })
})
draft.push(...nodesToPaste)
})
setNodes(newNodes)
setEdges([...edges, ...edgesToPaste])
saveStateToHistory(WorkflowHistoryEvent.NodePaste, {
nodeId: nodesToPaste?.[0]?.id,
})
handleSyncWorkflowDraft()
}, [
getNodesReadOnly,
workflowStore,
collaborativeWorkflow,
reactflow,
t,
saveStateToHistory,
handleSyncWorkflowDraft,
handleNodeIterationChildrenCopy,
handleNodeLoopChildrenCopy,
getNodeDefaultValueForPaste,
appDslVersion,
])
const handleNodesDuplicate = useCallback(
(nodeId?: string) => {
if (getNodesReadOnly()) return
handleNodesCopy(nodeId)
handleNodesPaste()
},
[getNodesReadOnly, handleNodesCopy, handleNodesPaste],
)
const handleNodesDelete = useCallback(() => {
if (getNodesReadOnly()) return
const { nodes, edges } = collaborativeWorkflow.getState()
const bundledNodes = nodes.filter((node) => node.data._isBundled)
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)
if (selectedNode) handleNodeDelete(selectedNode.id)
}, [collaborativeWorkflow, getNodesReadOnly, handleNodeDelete])
const handleNodeResize = useCallback(
(nodeId: string, params: ResizeParamsWithDirection) => {
if (getNodesReadOnly()) return
const { nodes, setNodes } = collaborativeWorkflow.getState()
const { x, y, width, height } = params
const currentNode = nodes.find((n) => n.id === nodeId)!
const childrenNodes = nodes.filter((n) =>
currentNode.data._children?.find(
(child: NonNullable<Node['data']['_children']>[number]) => child.nodeId === 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!) {
const parentNode = nodes.find((n) => n.id === rightNode.parentId)
const paddingMap =
parentNode?.data.type === BlockEnum.Iteration ? ITERATION_PADDING : LOOP_PADDING
if (width < rightNode!.position.x + rightNode.width! + paddingMap.right) return
if (height < bottomNode.position.y + bottomNode.height! + paddingMap.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()
saveStateToHistory(WorkflowHistoryEvent.NodeResize, { nodeId })
},
[getNodesReadOnly, collaborativeWorkflow, handleSyncWorkflowDraft, saveStateToHistory],
)
const handleNodeDisconnect = useCallback(
(nodeId: string) => {
if (getNodesReadOnly()) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const currentNode = nodes.find((node) => node.id === nodeId)!
const connectedEdges = getConnectedEdges([currentNode], 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],
}
}
})
})
setNodes(newNodes)
const newEdges = produce(edges, (draft) => {
return draft.filter(
(edge) => !connectedEdges.some((connectedEdge) => connectedEdge.id === edge.id),
)
})
setEdges(newEdges)
handleSyncWorkflowDraft()
saveStateToHistory(WorkflowHistoryEvent.EdgeDelete)
},
[collaborativeWorkflow, getNodesReadOnly, handleSyncWorkflowDraft, saveStateToHistory],
)
const handleHistoryBack = useCallback(() => {
if (getNodesReadOnly() || getWorkflowReadOnly()) return
undo()
const { edges, nodes } = workflowHistoryStore.getState()
if (edges.length === 0 && nodes.length === 0) return
const { setNodes, setEdges } = collaborativeWorkflow.getState()
const shouldBroadcast = collaborationManager.isConnected()
setEdges(edges, shouldBroadcast)
setNodes(nodes, shouldBroadcast, 'nodes:history-back')
if (shouldBroadcast) collaborationManager.emitHistoryAction('undo')
workflowStore.setState({ contextMenuTarget: undefined })
}, [
collaborativeWorkflow,
workflowStore,
undo,
workflowHistoryStore,
getNodesReadOnly,
getWorkflowReadOnly,
])
const handleHistoryForward = useCallback(() => {
if (getNodesReadOnly() || getWorkflowReadOnly()) return
redo()
const { edges, nodes } = workflowHistoryStore.getState()
if (edges.length === 0 && nodes.length === 0) return
const { setNodes, setEdges } = collaborativeWorkflow.getState()
const shouldBroadcast = collaborationManager.isConnected()
setEdges(edges, shouldBroadcast)
setNodes(nodes, shouldBroadcast, 'nodes:history-forward')
if (shouldBroadcast) collaborationManager.emitHistoryAction('redo')
workflowStore.setState({ contextMenuTarget: undefined })
}, [
collaborativeWorkflow,
redo,
workflowStore,
workflowHistoryStore,
getNodesReadOnly,
getWorkflowReadOnly,
])
const [isDimming, setIsDimming] = useState(false)
/** Add opacity-30 to all nodes except the nodeId */
const dimOtherNodes = useCallback(() => {
if (isDimming) return
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
const selectedNode = nodes.find((n) => n.data.selected)
if (!selectedNode) return
setIsDimming(true)
// const workflowNodes = useStore(s => s.getNodes())
const workflowNodes = nodes
const usedVars = getNodeUsedVars(selectedNode)
const dependencyNodes: Node[] = []
usedVars.forEach((valueSelector) => {
const node = workflowNodes.find((node) => node.id === valueSelector?.[0])
if (node) {
if (!dependencyNodes.includes(node)) dependencyNodes.push(node)
}
})
const outgoers = getOutgoers(selectedNode as Node, nodes as Node[], edges)
for (let currIdx = 0; currIdx < outgoers.length; currIdx++) {
const node = outgoers[currIdx]
const outgoersForNode = getOutgoers(node!, nodes as Node[], edges)
outgoersForNode.forEach((item) => {
const existed = outgoers.some((v) => v.id === item.id)
if (!existed) outgoers.push(item)
})
}
const dependentNodes: Node[] = []
outgoers.forEach((node) => {
const usedVars = getNodeUsedVars(node)
const used = usedVars.some((v) => v?.[0] === selectedNode.id)
if (used) {
const existed = dependentNodes.some((v) => v.id === node.id)
if (!existed) dependentNodes.push(node)
}
})
const dimNodes = [...dependencyNodes, ...dependentNodes, selectedNode]
const newNodes = produce(nodes, (draft) => {
draft.forEach((n) => {
const dimNode = dimNodes.find((v) => v.id === n.id)
if (!dimNode) n.data._dimmed = true
})
})
setNodes(newNodes)
const tempEdges: Edge[] = []
dependencyNodes.forEach((n) => {
tempEdges.push({
id: `tmp_${n.id}-source-${selectedNode.id}-target`,
type: CUSTOM_EDGE,
source: n.id,
sourceHandle: 'source_tmp',
target: selectedNode.id,
targetHandle: 'target_tmp',
animated: true,
data: {
sourceType: n.data.type,
targetType: selectedNode.data.type,
_isTemp: true,
_connectedNodeIsHovering: true,
},
})
})
dependentNodes.forEach((n) => {
tempEdges.push({
id: `tmp_${selectedNode.id}-source-${n.id}-target`,
type: CUSTOM_EDGE,
source: selectedNode.id,
sourceHandle: 'source_tmp',
target: n.id,
targetHandle: 'target_tmp',
animated: true,
data: {
sourceType: selectedNode.data.type,
targetType: n.data.type,
_isTemp: true,
_connectedNodeIsHovering: true,
},
})
})
const newEdges = produce(edges, (draft) => {
draft.forEach((e) => {
e.data._dimmed = true
})
draft.push(...tempEdges)
})
setEdges(newEdges)
}, [isDimming, collaborativeWorkflow])
/** Restore all nodes to full opacity */
const undimAllNodes = useCallback(() => {
const { nodes, setNodes, edges, setEdges } = collaborativeWorkflow.getState()
setIsDimming(false)
const newNodes = produce(nodes, (draft) => {
draft.forEach((n) => {
n.data._dimmed = false
})
})
setNodes(newNodes)
const newEdges = produce(
edges.filter((e) => !e.data._isTemp),
(draft) => {
draft.forEach((e) => {
e.data._dimmed = false
})
},
)
setEdges(newEdges)
}, [collaborativeWorkflow])
return {
handleNodeDragStart,
handleNodeDrag,
handleNodeDragStop,
handleNodeEnter,
handleNodeLeave,
handleNodeSelect,
handleNodeClick,
handleNodeConnect,
handleNodeConnectStart,
handleNodeConnectEnd,
handleNodeDelete,
handleNodeChange,
handleNodeAdd,
handleNodesCancelSelected,
handleNodeContextMenu,
handleNodesCopy,
handleNodesPaste,
handleNodesDuplicate,
handleNodesDelete,
handleNodeResize,
handleNodeDisconnect,
handleHistoryBack,
handleHistoryForward,
dimOtherNodes,
undimAllNodes,
}
}