Files
vue-flow/examples/vite/src/Basic/Basic.vue

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1.8 KiB
Vue

<script lang="ts" setup>
import type { Elements } from '@vue-flow/core'
import { Panel, PanelPosition, VueFlow, isNode, useVueFlow } from '@vue-flow/core'
import { Background } from '@vue-flow/background'
import { Controls } from '@vue-flow/controls'
import { MiniMap } from '@vue-flow/minimap'
const elements = ref<Elements>([
{ id: '1', type: 'input', label: 'Node 1', position: { x: 250, y: 5 }, class: 'light' },
{ id: '2', label: 'Node 2', position: { x: 100, y: 100 }, class: 'light' },
{ id: '3', label: 'Node 3', position: { x: 400, y: 100 }, class: 'light' },
{ id: '4', label: 'Node 4', position: { x: 400, y: 200 }, class: 'light' },
{ id: 'e1-2', source: '1', target: '2', animated: true },
{ id: 'e1-3', source: '1', target: '3' },
])
const { onConnect, addEdges, setTransform, toObject } = useVueFlow({
minZoom: 0.2,
maxZoom: 4,
})
onConnect(addEdges)
function updatePos() {
return elements.value.forEach((el) => {
if (isNode(el)) {
el.position = {
x: Math.random() * 400,
y: Math.random() * 400,
}
}
})
}
function logToObject() {
return console.log(toObject())
}
function resetTransform() {
return setTransform({ x: 0, y: 0, zoom: 1 })
}
function toggleclass() {
return elements.value.forEach((el) => (el.class = el.class === 'light' ? 'dark' : 'light'))
}
</script>
<template>
<VueFlow v-model="elements" fit-view-on-init class="vue-flow-basic-example">
<Background />
<MiniMap />
<Controls />
<Panel :position="PanelPosition.TopRight" style="display: flex; gap: 5px">
<button @click="resetTransform">reset transform</button>
<button @click="updatePos">change pos</button>
<button @click="toggleclass">toggle class</button>
<button @click="logToObject">toObject</button>
</Panel>
</VueFlow>
</template>