54 lines
1.2 KiB
Vue
54 lines
1.2 KiB
Vue
<script lang="ts" setup>
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import type { FlowExportObject, Node } from '@vue-flow/core'
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import { useVueFlow } from '@vue-flow/core'
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const flowKey = 'example-flow'
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const state = useStorage<FlowExportObject>(flowKey, {
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nodes: [],
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edges: [],
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position: [NaN, NaN],
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zoom: 1,
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})
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function getNodeId() {
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return `randomnode_${+new Date()}`
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}
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const { addNodes, setNodes, setEdges, toObject, dimensions, setTransform } = useVueFlow()
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function onSave() {
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state.value = toObject()
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}
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function onRestore() {
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const flow: FlowExportObject | null = state.value
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if (flow) {
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const [x = 0, y = 0] = flow.position
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setNodes(state.value.nodes)
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setEdges(state.value.edges)
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setTransform({ x, y, zoom: flow.zoom || 0 })
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}
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}
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function onAdd() {
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const newNode = {
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id: `random_node-${getNodeId()}`,
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label: 'Added node',
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position: { x: Math.random() * dimensions.value.width, y: Math.random() * dimensions.value.height },
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} as Node
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addNodes([newNode])
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}
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</script>
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<template>
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<div class="save__controls">
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<button @click="onSave">save</button>
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<button @click="onRestore">restore</button>
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<button @click="onAdd">add node</button>
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</div>
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</template>
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