Files
vue-flow/examples/RGBFlow/RGBFlow.vue
2021-11-19 15:41:25 +01:00

63 lines
1.9 KiB
Vue

<script lang="ts" setup>
import { templateRef } from '@vueuse/core'
import RGBNode from './RGBNode.vue'
import RGBOutputNode from './RGBOutputNode.vue'
import { Elements, FlowInstance, VueFlow, useVueFlow } from '~/index'
type Colors = {
red: number
green: number
blue: number
}
const elements = ref<Elements>([
{ id: '1', type: 'rgb', data: { color: 'r' }, position: { x: -25, y: 50 } },
{ id: '2', type: 'rgb', data: { color: 'g' }, position: { x: 50, y: -100 } },
{ id: '3', type: 'rgb', data: { color: 'b' }, position: { x: 0, y: 200 } },
{ id: '4', type: 'rgb-output', data: { label: 'RGB' }, position: { x: 400, y: 50 } },
{ id: 'e1-4', data: { color: 'red' }, source: '1', target: '4', animated: true },
{ id: 'e2-4', data: { color: 'green' }, source: '2', target: '4', animated: true },
{ id: 'e3-4', data: { color: 'blue' }, source: '3', target: '4', animated: true },
])
const el = templateRef<HTMLDivElement>('page', null)
const onLoad = (flowInstance: FlowInstance) => {
flowInstance.setTransform({ x: el.value?.clientWidth / 2.2, y: el.value?.clientHeight / 3, zoom: 1.25 })
}
const color = ref<Colors>({
red: 100,
green: 150,
blue: 100,
})
const onChange = ({ color: c, val }: { color: keyof Colors; val: number }) => (color.value[c] = Number(val))
const store = useVueFlow({
nodeTypes: {
'rgb': true,
'rgb-output': true,
},
zoomOnScroll: false,
})
</script>
<template>
<div ref="page" class="demo-flow">
<VueFlow :elements="elements" @load="onLoad">
<template #node-rgb="props">
<RGBNode v-bind="props" :amount="color" @change="onChange" />
</template>
<template #node-rgb-output="props">
<RGBOutputNode :v-bind="props" :rgb="`rgb(${color.red}, ${color.green}, ${color.blue})`" />
</template>
</VueFlow>
</div>
</template>
<style>
.demo-flow {
display: flex;
justify-content: center;
align-items: center;
height: 80vh;
width: 100%;
border-radius: 0;
}
</style>