9e941966a4
* edge updater cannot discern a valid connection by itself so we allow an option to pass a valid connection func to nodes which will then be used to determine if updating connection is valid * it is optional, by default all connections are valid Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>
54 lines
1.9 KiB
Vue
54 lines
1.9 KiB
Vue
<script lang="ts" setup>
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import CustomInput from './CustomInput.vue'
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import CustomNode from './CustomNode.vue'
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import { VueFlow, addEdge, Connection, Elements, OnConnectStartParams, FlowInstance } from '~/index'
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import './validation.css'
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const initialElements: Elements = [
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{ id: '0', type: 'custominput', position: { x: 0, y: 150 }, isValidTargetPos: (connection) => connection.target === 'B' },
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{
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id: 'A',
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type: 'customnode',
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position: { x: 250, y: 0 },
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isValidSourcePos: (connection) => {
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console.log(connection)
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return false
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},
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},
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{ id: 'B', type: 'customnode', position: { x: 250, y: 150 }, isValidSourcePos: (connection) => connection.target === 'B' },
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{ id: 'C', type: 'customnode', position: { x: 250, y: 300 }, isValidSourcePos: (connection) => connection.target === 'B' },
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]
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const onLoad = (flowInstance: FlowInstance) => flowInstance.fitView()
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const onConnectStart = ({ nodeId, handleType }: OnConnectStartParams) => console.log('on connect start', { nodeId, handleType })
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const onConnectStop = (event: MouseEvent) => console.log('on connect stop', event)
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const onConnectEnd = (event: MouseEvent) => console.log('on connect end', event)
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const elements = ref<Elements>(initialElements)
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const onConnect = (params: Connection) => {
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console.log('on connect', params)
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elements.value = addEdge(params, elements.value)
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}
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</script>
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<template>
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<VueFlow
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v-model="elements"
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:select-nodes-on-drag="false"
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:node-types="['custominput', 'customnode']"
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class="validationflow"
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@connect="onConnect"
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@oad="onLoad"
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@connect-start="onConnectStart"
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@connect-stop="onConnectStop"
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@connect-end="onConnectEnd"
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>
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<template #node-custominput="props">
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<CustomInput v-bind="props" />
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</template>
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<template #node-customnode="props">
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<CustomNode v-bind="props" />
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</template>
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</VueFlow>
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</template>
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