86 lines
2.3 KiB
Vue
86 lines
2.3 KiB
Vue
<script lang="ts" setup>
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import ColorSelectorNode from './ColorSelectorNode.vue'
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import { ConnectionMode, Controls, Elements, isEdge, MiniMap, Node, Position, SnapGrid, useVueFlow, VueFlow } from '@braks/vue-flow'
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const elements = ref<Elements>([])
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const bgColor = ref('#1A192B')
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const connectionLineStyle = { stroke: '#fff' }
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const snapGrid: SnapGrid = [16, 16]
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const nodeStroke = (n: Node): string => {
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if (n.type === 'input') return '#0041d0'
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if (n.type === 'selectorNode') return bgColor.value
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if (n.type === 'output') return '#ff0072'
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return '#eee'
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}
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const nodeColor = (n: Node): string => {
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if (n.type === 'selectorNode') return bgColor.value
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return '#fff'
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}
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const onChange = (event: Event) => {
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elements.value.forEach((e) => {
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if (isEdge(e) || e.id !== '2') return e
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bgColor.value = (event.target as HTMLInputElement).value
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})
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}
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onMounted(() => {
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elements.value = [
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{
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id: '1',
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type: 'input',
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label: 'An input node',
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position: { x: 0, y: 50 },
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sourcePosition: Position.Right,
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},
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{
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id: '2',
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type: 'selectorNode',
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data: { onChange, color: bgColor },
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style: { border: '1px solid #777', padding: '10px' },
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position: { x: 250, y: 50 },
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},
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{
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id: '3',
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type: 'output',
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label: 'Output A',
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position: { x: 650, y: 25 },
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targetPosition: Position.Left,
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},
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{
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id: '4',
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type: 'output',
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label: 'Output B',
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position: { x: 650, y: 100 },
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targetPosition: Position.Left,
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},
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{ id: 'e1-2', source: '1', target: '2', animated: true, style: { stroke: '#fff' } },
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{ id: 'e2a-3', source: '2', sourceHandle: 'a', target: '3', animated: true, style: { stroke: '#fff' } },
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{ id: 'e2b-4', source: '2', sourceHandle: 'b', target: '4', animated: true, style: { stroke: '#fff' } },
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]
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})
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const { onPaneReady } = useVueFlow({
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connectionMode: ConnectionMode.Loose,
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connectionLineStyle,
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snapToGrid: true,
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snapGrid,
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defaultZoom: 1.5,
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})
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onPaneReady((i) => {
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i.fitView()
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console.log('flow loaded:', i)
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})
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</script>
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<template>
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<VueFlow v-model="elements" :style="{ backgroundColor: bgColor }">
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<template #node-selectorNode="props">
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<ColorSelectorNode v-bind="props" />
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</template>
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<MiniMap :node-stroke-color="nodeStroke" :node-color="nodeColor" />
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<Controls />
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</VueFlow>
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</template>
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