Braks
6a68292f7c
* if options are passed to useVueFlow, we want to merge them with possibly passed props * renamed flowStore to stateStore * fix examples * add store prop to pass an already existing store to flow Signed-off-by: Braks <78412429+bcakmakoglu@users.noreply.github.com>
50 lines
1.5 KiB
Vue
50 lines
1.5 KiB
Vue
<script lang="ts" setup>
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import Sidebar from './Sidebar.vue'
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import { VueFlow, addEdge, removeElements, Controls, FlowInstance, Elements, Connection, Edge, ElementId, Node } from '~/index'
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import './dnd.css'
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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_${id++}`
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const onDragOver = (event: DragEvent) => {
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event.preventDefault()
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if (event.dataTransfer) {
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event.dataTransfer.dropEffect = 'move'
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}
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}
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const onConnect = (params: Connection | Edge) => (elements.value = addEdge(params, elements.value))
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const onElementsRemove = (elementsToRemove: Elements) => (elements.value = removeElements(elementsToRemove, elements.value))
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const onLoad = (instance: FlowInstance) => (flowInstance.value = instance)
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const onDrop = (event: DragEvent) => {
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if (flowInstance.value) {
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const type = event.dataTransfer?.getData('application/vueflow')
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const position = flowInstance.value.project({ x: event.clientX, y: event.clientY - 40 })
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const newNode = {
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id: getId(),
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type,
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position,
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data: { label: `${type} node` },
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} as Node
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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="dndflow" @drop="onDrop">
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<VueFlow v-model="elements" @elements-remove="onElementsRemove" @load="onLoad" @connect="onConnect" @dragover="onDragOver" />
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<Sidebar />
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</div>
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</template>
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