73 lines
2.6 KiB
Vue
73 lines
2.6 KiB
Vue
<script lang="ts" setup>
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import type { Elements } from '@vue-flow/core'
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import { VueFlow, isNode, useVueFlow } from '@vue-flow/core'
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import { Background } from '@vue-flow/background'
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import { Controls } from '@vue-flow/controls'
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import { MiniMap } from '@vue-flow/minimap'
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const elements = ref<Elements>([
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{ id: '1', type: 'input', label: 'Node 1', position: { x: 250, y: 5 }, class: 'light' },
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{ id: '2', label: 'Node 2', position: { x: 100, y: 100 }, class: 'light' },
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{ id: '3', label: 'Node 3', position: { x: 400, y: 100 }, class: 'light' },
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{ id: '4', label: 'Node 4', position: { x: 400, y: 200 }, class: 'light' },
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{ id: 'e1-2', source: '1', target: '2', animated: true },
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{ id: 'e1-3', source: '1', target: '3' },
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])
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const { onNodeDragStop, onEdgeClick, onConnect, addEdges, setTransform, toObject, fitView, onPaneReady, setNodes, setEdges } =
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useVueFlow({
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minZoom: 0.2,
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maxZoom: 4,
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connectOnClick: true,
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fitViewOnInit: false,
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})
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onNodeDragStop((e) => console.log('drag stop', e.event))
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onEdgeClick(console.log)
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onConnect((params) => addEdges([params]))
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const updatePos = () =>
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elements.value.forEach((el) => {
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if (isNode(el)) {
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el.position = {
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x: Math.random() * 400,
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y: Math.random() * 400,
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}
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}
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})
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onPaneReady((instance) => {
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setNodes([
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{ id: '1', type: 'input', label: 'Node 1', position: { x: 250, y: 5 }, class: 'light' },
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{ id: '2', label: 'Node 2', position: { x: 100, y: 100 }, class: 'light' },
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{ id: '3', label: 'Node 3', position: { x: 400, y: 100 }, class: 'light' },
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{ id: '4', label: 'Node 4', position: { x: 400, y: 200 }, class: 'light' },
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])
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setEdges([
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{ id: 'e1-2', source: '1', target: '2', animated: true },
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{ id: 'e1-3', source: '1', target: '3' },
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])
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instance.fitView()
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})
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const logToObject = () => console.log(toObject())
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const resetTransform = () => setTransform({ x: 0, y: 0, zoom: 1 })
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const toggleclass = () => elements.value.forEach((el) => (el.class = el.class === 'light' ? 'dark' : 'light'))
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</script>
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<template>
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<VueFlow v-model="elements" connection-mode="strict" class="vue-flow-basic-example">
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<Background />
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<MiniMap />
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<Controls />
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<div style="position: absolute; right: 10px; top: 10px; z-index: 4">
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<button style="margin-right: 5px" @click="resetTransform">reset transform</button>
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<button style="margin-right: 5px" @click="updatePos">change pos</button>
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<button style="margin-right: 5px" @click="toggleclass">toggle class</button>
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<button @click="logToObject">toObject</button>
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</div>
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</VueFlow>
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</template>
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