54 lines
1.6 KiB
Vue
54 lines
1.6 KiB
Vue
<script lang="ts" setup>
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import { CSSProperties } from 'vue'
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import Flow, {
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MiniMap,
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Controls,
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Background,
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BackgroundVariant,
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Connection,
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Edge,
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ElementId,
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Elements,
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FlowElement,
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Node,
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FlowInstance,
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addEdge,
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removeElements,
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} from '~/index'
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const elements = ref<Elements>([])
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const onLoad = (flowInstance: FlowInstance) => console.log('flow loaded:', flowInstance)
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const onElementClick = (element: FlowElement) => console.log('click', element)
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const onNodeDragStop = (node: Node) => console.log('drag stop', node)
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const buttonStyle: CSSProperties = { position: 'absolute', left: '10px', top: '10px', zIndex: 4 }
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const addRandomNode = () => {
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const nodeId: ElementId = (elements.value.length + 1).toString()
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const newNode: Node = {
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id: nodeId,
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data: { label: `Node: ${nodeId}` },
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position: { x: Math.random() * window.innerWidth, y: Math.random() * window.innerHeight },
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} as Node
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elements.value = [...elements.value, newNode]
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}
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</script>
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<template>
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<Flow
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:elements="elements"
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@load="onLoad"
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@element-click="onElementClick"
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@elements-remove="onElementsRemove"
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@connect="(p) => onConnect(p)"
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@node-drag-stop="onNodeDragStop"
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>
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<MiniMap />
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<Controls />
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<Background :variant="BackgroundVariant.Lines" />
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<button type="button" :style="buttonStyle" @click="addRandomNode">add node</button>
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</Flow>
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</template>
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