100 lines
2.5 KiB
Vue
100 lines
2.5 KiB
Vue
<script lang="ts" setup>
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import ColorSelectorNode from './ColorSelectorNode.vue'
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import {
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ConnectionMode,
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Elements,
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FlowElement,
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isEdge,
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Node,
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Position,
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SnapGrid,
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useVueFlow,
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VueFlow,
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Controls,
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MiniMap,
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} from '~/index'
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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: FlowElement) => {
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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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onPaneReady((flowInstance) => {
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flowInstance.fitView()
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console.log('flow loaded:', flowInstance)
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})
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</script>
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<template>
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<VueFlow
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v-model="elements"
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:style="{ backgroundColor: bgColor }"
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:connection-mode="ConnectionMode.Loose"
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:connection-line-style="connectionLineStyle"
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:snap-to-grid="true"
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:snap-grid="snapGrid"
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:default-zoom="1.5"
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>
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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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