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VueFlow.vue
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VueFlow.vue
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<script lang="ts" setup>
import type { D3ZoomEvent } from 'd3-zoom'
import Viewport from '../Viewport/Viewport.vue'
import A11yDescriptions from '../../components/A11y/A11yDescriptions.vue'
import type { FlowElements, FlowProps } from '../../types/flow'
import type {
Connection,
EdgeChange,
EdgeMouseEvent,
EdgeUpdateEvent,
GraphEdge,
GraphNode,
NodeChange,
NodeDragEvent,
NodeMouseEvent,
OnConnectStartParams,
ViewportTransform,
VueFlowStore,
} from '../../types'
const props = withDefaults(defineProps<FlowProps>(), {
snapToGrid: undefined,
onlyRenderVisibleElements: undefined,
edgesUpdatable: undefined,
nodesConnectable: undefined,
nodesDraggable: undefined,
elementsSelectable: undefined,
selectNodesOnDrag: undefined,
preventScrolling: undefined,
zoomOnScroll: undefined,
zoomOnPinch: undefined,
zoomOnDoubleClick: undefined,
panOnScroll: undefined,
panOnDrag: undefined,
applyDefault: undefined,
fitViewOnInit: undefined,
connectOnClick: undefined,
connectionLineStyle: undefined,
connectionLineOptions: undefined,
autoConnect: undefined,
elevateEdgesOnSelect: undefined,
elevateNodesOnSelect: undefined,
disableKeyboardA11y: undefined,
edgesFocusable: undefined,
nodesFocusable: undefined,
autoPanOnConnect: undefined,
autoPanOnNodeDrag: undefined,
})
const emit = defineEmits<{
(event: 'nodesChange', changes: NodeChange[]): void
(event: 'edgesChange', changes: EdgeChange[]): void
(event: 'nodeDoubleClick', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeClick', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeMouseEnter', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeMouseMove', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeMouseLeave', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeContextMenu', nodeMouseEvent: NodeMouseEvent): void
(event: 'nodeDragStart', nodeDragEvent: NodeDragEvent): void
(event: 'nodeDrag', nodeDragEvent: NodeDragEvent): void
(event: 'nodeDragStop', nodeDragEvent: NodeDragEvent): void
(event: 'nodesInitialized'): void
(event: 'miniMapNodeClick', nodeMouseEvent: NodeMouseEvent): void
(event: 'miniMapNodeDoubleClick', nodeMouseEvent: NodeMouseEvent): void
(event: 'miniMapNodeMouseEnter', nodeMouseEvent: NodeMouseEvent): void
(event: 'miniMapNodeMouseMove', nodeMouseEvent: NodeMouseEvent): void
(event: 'miniMapNodeMouseLeave', nodeMouseEvent: NodeMouseEvent): void
(event: 'connect', connectionEvent: Connection): void
(
event: 'connectStart',
connectionEvent: {
event?: MouseEvent
} & OnConnectStartParams,
): void
(event: 'connectEnd', connectionEvent?: MouseEvent): void
(event: 'moveStart', moveEvent: { event: D3ZoomEvent<HTMLDivElement, any>; flowTransform: ViewportTransform }): void
(event: 'move', moveEvent: { event: D3ZoomEvent<HTMLDivElement, any>; flowTransform: ViewportTransform }): void
(event: 'moveEnd', moveEvent: { event: D3ZoomEvent<HTMLDivElement, any>; flowTransform: ViewportTransform }): void
(event: 'selectionDragStart', selectionEvent: NodeDragEvent): void
(event: 'selectionDrag', selectionEvent: NodeDragEvent): void
(event: 'selectionDragStop', selectionEvent: NodeDragEvent): void
(event: 'selectionContextMenu', selectionEvent: { event: MouseEvent; nodes: GraphNode[] }): void
(event: 'selectionStart', selectionEvent: MouseEvent): void
(event: 'selectionEnd', selectionEvent: MouseEvent): void
(event: 'viewportChangeStart', viewport: ViewportTransform): void
(event: 'viewportChange', viewport: ViewportTransform): void
(event: 'viewportChangeEnd', viewport: ViewportTransform): void
(event: 'paneReady', paneEvent: VueFlowStore): void
(event: 'paneScroll', paneEvent: WheelEvent | undefined): void
(event: 'paneClick', paneEvent: MouseEvent): void
(event: 'paneContextMenu', paneEvent: MouseEvent): void
(event: 'paneMouseEnter', paneEvent: MouseEvent): void
(event: 'paneMouseMove', paneEvent: MouseEvent): void
(event: 'paneMouseLeave', paneEvent: MouseEvent): void
(event: 'edgeContextMenu', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeMouseEnter', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeMouseMove', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeMouseLeave', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeDoubleClick', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeClick', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeUpdateStart', edgeMouseEvent: EdgeMouseEvent): void
(event: 'edgeUpdate', edgeUpdateEvent: EdgeUpdateEvent): void
(event: 'edgeUpdateEnd', edgeMouseEvent: EdgeMouseEvent): void
(event: 'updateNodeInternals'): void
/** v-model event definitions */
(event: 'update:modelValue', value: FlowElements): void
(event: 'update:nodes', value: GraphNode[]): void
(event: 'update:edges', value: GraphEdge[]): void
}>()
const modelValue = useVModel(props, 'modelValue', emit)
const modelNodes = useVModel(props, 'nodes', emit)
const modelEdges = useVModel(props, 'edges', emit)
const { vueFlowRef, id, hooks, getNodeTypes, getEdgeTypes, $reset, ...rest } = useVueFlow(props)
const dispose = useWatch({ modelValue, nodes: modelNodes, edges: modelEdges }, props, {
vueFlowRef,
id,
hooks,
getNodeTypes,
getEdgeTypes,
$reset,
...rest,
})
const el = ref<HTMLDivElement>()
onUnmounted(() => {
dispose()
})
onMounted(() => {
vueFlowRef.value = el.value!
})
useHooks(emit, hooks)
provide(Slots, useSlots())
defineExpose<VueFlowStore>({
vueFlowRef,
id,
hooks,
getNodeTypes,
getEdgeTypes,
$reset,
...rest,
})
</script>
<script lang="ts">
export default {
name: 'VueFlow',
compatConfig: { MODE: 3 },
}
</script>
<template>
<div ref="el" class="vue-flow">
<Viewport>
<template #nodes>
<template v-for="nodeName of Object.keys(getNodeTypes)">
<slot :name="`node-${nodeName}`" />
</template>
</template>
<template #edges>
<template v-for="edgeName of Object.keys(getEdgeTypes)">
<slot :name="`edge-${edgeName}`" />
</template>
</template>
<template #connection-name>
<slot name="connection-line" />
</template>
<template #zoom-pane>
<slot name="zoom-pane" />
</template>
<slot />
</Viewport>
<A11yDescriptions />
</div>
</template>