67 lines
1.7 KiB
Vue
67 lines
1.7 KiB
Vue
<script lang="ts" setup>
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import {
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Flow,
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Controls,
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updateEdge,
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addEdge,
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Elements,
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FlowInstance,
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Connection,
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Edge,
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removeElements,
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FlowEvents,
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ConnectionMode,
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} from '~/index'
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const initialElements: Elements = [
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{
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id: '1',
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type: 'input',
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data: {
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label: 'Node <strong>A</strong>',
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},
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position: { x: 250, y: 0 },
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},
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{
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id: '2',
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data: {
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label: 'Node <strong>B</strong>',
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},
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position: { x: 100, y: 100 },
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},
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{
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id: '3',
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data: {
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label: 'Node <strong>C</strong>',
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},
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position: { x: 400, y: 100 },
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style: { background: '#D6D5E6', color: '#333', border: '1px solid #222138', width: 180 },
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},
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{ id: 'e1-2', source: '1', target: '2', label: 'Updateable edge' },
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]
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const elements = ref(initialElements)
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const onLoad = (flowInstance: FlowInstance) => flowInstance.fitView()
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const onEdgeUpdateStart = (edge: Edge) => console.log('start update', edge)
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const onEdgeUpdateEnd = (edge: Edge) => console.log('end update', edge)
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const onEdgeUpdate = ({ edge, connection }: FlowEvents['edgeUpdate']) =>
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(elements.value = updateEdge(edge, connection, elements.value))
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
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</script>
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<template>
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<Flow
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:elements="elements"
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:snap-to-grid="true"
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:connection-mode="ConnectionMode.Loose"
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@load="onLoad"
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@edge-update="onEdgeUpdate"
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@connect="onConnect"
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@edge-update-start="onEdgeUpdateStart"
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@elements-remove="onElementsRemove"
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@edge-update-end="onEdgeUpdateEnd"
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>
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<Controls />
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</Flow>
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</template>
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