50 lines
1.1 KiB
Vue
50 lines
1.1 KiB
Vue
<script lang="ts" setup>
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import Sidebar from './Sidebar.vue'
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import { VueFlow, FlowInstance, Node, useVueFlow } from '~/index'
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let id = 0
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const getId = () => `dndnode_${id++}`
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const { instance, onConnect, nodes, edges, addEdges, addNodes } = useVueFlow({
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nodes: [
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{
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id: '1',
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type: 'input',
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label: 'input node',
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position: { x: 250, y: 5 },
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},
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],
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})
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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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onConnect((params) => addEdges([params]))
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const onDrop = (event: DragEvent) => {
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if (instance.value) {
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const type = event.dataTransfer?.getData('application/vueflow')
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const position = instance.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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label: `${type} node`,
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} as Node
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addNodes([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 @dragover="onDragOver" />
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<Sidebar />
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</div>
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</template>
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<style>
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@import './dnd.css';
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</style>
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