Files
vue-flow/examples/UpdatableEdge/UpdatableEdgeExample.vue
2021-12-20 19:29:52 +01:00

59 lines
1.5 KiB
Vue

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