Files
vue-flow/examples/SaveRestore/Controls.vue
Braks f99dca1c11 update(examples): Use vmodel for custom node
* use v-model for save & restore example

Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>
2021-11-19 13:47:09 +01:00

48 lines
1.2 KiB
Vue

<script lang="ts" setup>
import { useZoomPanHelper, FlowExportObject, Node, useVueFlow } from '~/index'
const flowKey = 'example-flow'
const state = useStorage(flowKey, {
elements: [],
position: [NaN, NaN],
zoom: 1,
} as FlowExportObject)
const getNodeId = () => `randomnode_${+new Date()}`
const { transform } = useZoomPanHelper()
const flow = useVueFlow()
const emit = defineEmits(['restore', 'add'])
const onSave = () => {
if (flow.instance) state.value = flow.instance.toObject()
}
const onRestore = () => {
const flow: FlowExportObject | null = state.value
if (flow) {
const [x = 0, y = 0] = flow.position
emit('restore', flow.elements ?? [])
transform({ x, y, zoom: flow.zoom || 0 })
}
}
const onAdd = () => {
const newNode = {
id: `random_node-${getNodeId()}`,
data: { label: 'Added node' },
position: { x: Math.random() * window.innerWidth - 100, y: Math.random() * window.innerHeight },
} as Node
flow.addElements([newNode])
}
</script>
<template>
<div class="save__controls">
<button @click="onSave">save</button>
<button @click="onRestore">restore</button>
<button @click="onAdd">add node</button>
</div>
</template>