43 lines
1.1 KiB
Vue
43 lines
1.1 KiB
Vue
<script setup>
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import { Panel, useVueFlow } from '@vue-flow/core'
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const flowKey = 'example-flow'
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const { nodes, addNodes, setNodes, setEdges, dimensions, setTransform, toObject } = useVueFlow()
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function onSave() {
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localStorage.setItem(flowKey, JSON.stringify(toObject()))
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}
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function onRestore() {
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const flow = JSON.parse(localStorage.getItem(flowKey))
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if (flow) {
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const [x = 0, y = 0] = flow.position
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setNodes(flow.nodes)
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setEdges(flow.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 id = nodes.value.length + 1
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const newNode = {
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id: `random_node-${id}`,
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label: `Node ${id}`,
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position: { x: Math.random() * dimensions.value.width, y: Math.random() * dimensions.value.height },
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}
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addNodes([newNode])
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}
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</script>
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<template>
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<Panel position="top-right" class="save-restore-controls">
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<button style="background-color: #33a6b8" @click="onSave">save</button>
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<button style="background-color: #113285" @click="onRestore">restore</button>
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<button style="background-color: #6f3381" @click="onAdd">add node</button>
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</Panel>
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</template>
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