Files
vue-flow/examples/Validation/ValidationExample.vue
T

50 lines
1.7 KiB
Vue

<script lang="ts" setup>
import { VueFlow, Connection, OnConnectStartParams, FlowInstance, useVueFlow } from '@braks/vue-flow'
import CustomInput from './CustomInput.vue'
import CustomNode from './CustomNode.vue'
const { nodes, edges, addEdges } = useVueFlow({
nodes: [
{ id: '0', type: 'custominput', position: { x: 0, y: 150 }, isValidTargetPos: (connection) => connection.target === 'B' },
{
id: 'A',
type: 'customnode',
position: { x: 250, y: 0 },
isValidSourcePos: () => false,
},
{ id: 'B', type: 'customnode', position: { x: 250, y: 150 }, isValidSourcePos: (connection) => connection.target === 'B' },
{ id: 'C', type: 'customnode', position: { x: 250, y: 300 }, isValidSourcePos: (connection) => connection.target === 'B' },
],
})
const onLoad = (flowInstance: FlowInstance) => flowInstance.fitView()
const onConnectStart = ({ nodeId, handleType }: OnConnectStartParams) => console.log('on connect start', { nodeId, handleType })
const onConnectStop = (event: MouseEvent) => console.log('on connect stop', event)
const onConnectEnd = (event: MouseEvent) => console.log('on connect end', event)
const onConnect = (params: Connection) => {
console.log('on connect', params)
addEdges([params])
}
</script>
<template>
<VueFlow
:select-nodes-on-drag="false"
class="validationflow"
@connect="onConnect"
@pane-ready="onLoad"
@connect-start="onConnectStart"
@connect-stop="onConnectStop"
@connect-end="onConnectEnd"
>
<template #node-custominput="props">
<CustomInput v-bind="props" />
</template>
<template #node-customnode="props">
<CustomNode v-bind="props" />
</template>
</VueFlow>
</template>
<style>
@import './validation.css';
</style>