71 lines
1.8 KiB
Vue
71 lines
1.8 KiB
Vue
<script lang="ts" setup>
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import {
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Flow,
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addEdge,
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removeElements,
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Controls,
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MiniMap,
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Background,
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FlowInstance,
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Elements,
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Connection,
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Edge,
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ElementId,
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} from '@braks/vue-flow'
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import Sidebar from '../../components/DnDSidebar.vue'
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const flowInstance = ref<FlowInstance>()
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const elements = ref<Elements>([
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{
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id: '1',
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type: 'input',
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data: { label: 'input node' },
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position: { x: 250, y: 5 },
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},
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])
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let id = 0
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const getId = (): ElementId => `dndnode_${id++}`
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const onDragOver = (event: DragEvent) => {
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event.preventDefault()
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if (event.dataTransfer) {
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event.dataTransfer.dropEffect = 'move'
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}
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}
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
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const onLoad = (instance: FlowInstance) => (flowInstance.value = instance)
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const onDrop = (event: DragEvent) => {
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event.preventDefault()
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if (flowInstance.value) {
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console.log(event.dataTransfer?.getData('application/vueflow'))
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const type = event.dataTransfer?.getData('application/vueflow')
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const position = flowInstance.value.project({ x: event.clientX - 400, y: event.clientY - 40 })
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const newNode = {
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id: getId(),
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type,
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position,
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data: { label: `${type} node` },
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}
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elements.value.push(newNode)
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}
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}
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</script>
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<template>
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<div class="flex flex-col md:flex-row h-full">
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<div class="flex-1 h-full" @drop="onDrop">
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<Flow :elements="elements" @elements-remove="onElementsRemove" @load="onLoad" @connect="onConnect" @dragover="onDragOver">
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<Controls />
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<MiniMap />
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<Background color="#aaa" :gap="8" />
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</Flow>
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</div>
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<Sidebar />
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</div>
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</template>
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