Files
vue-flow/docs2/components/examples/custom-node/App.vue
2022-08-01 21:10:14 +02:00

118 lines
2.6 KiB
Vue

<script setup>
import { ConnectionMode, MiniMap, Position, VueFlow, useVueFlow } from '@braks/vue-flow'
import { computed, h, onMounted, ref } from 'vue'
import ColorSelectorNode from './CustomNode.vue'
import { presets } from './presets.js'
const { getNode } = useVueFlow()
const outputColorNode = computed(() => getNode.value('3'))
const elements = ref([])
const gradient = ref(false)
const bgColor = ref(presets.ayame)
const bgName = ref('AYAME')
const connectionLineStyle = { stroke: '#fff' }
// minimap stroke color functions
const nodeStroke = (n) => {
if (n.type === 'input') return '#0041d0'
if (n.type === 'custom') return presets.sumi
if (n.type === 'output') return '#ff0072'
return '#eee'
}
const nodeColor = (n) => {
if (n.type === 'custom') return bgColor.value
return '#fff'
}
// output labels
const outputColorLabel = () => h('div', {}, bgColor.value)
const outputNameLabel = () => h('div', {}, bgName.value)
const onChange = (color) => {
gradient.value = false
bgColor.value = color.value
bgName.value = color.name
outputColorNode.value.hidden = false
}
const onGradient = () => {
gradient.value = true
bgColor.value = null
bgName.value = 'gradient'
outputColorNode.value.hidden = true
}
onMounted(() => {
elements.value = [
{
id: '1',
type: 'custom',
data: { color: bgColor },
position: { x: 0, y: 50 },
},
{
id: '2',
type: 'output',
label: outputNameLabel,
position: { x: 350, y: 25 },
targetPosition: Position.Left,
},
{
id: '3',
type: 'output',
label: outputColorLabel,
position: { x: 350, y: 200 },
targetPosition: Position.Left,
},
{
id: 'e1a-2',
source: '1',
sourceHandle: 'a',
target: '2',
animated: true,
style: () => ({
stroke: bgColor.value,
filter: 'invert(100%)',
}),
},
{
id: 'e1b-3',
source: '1',
sourceHandle: 'b',
target: '3',
animated: true,
style: () => ({
stroke: bgColor.value,
filter: 'invert(100%)',
}),
},
]
})
</script>
<template>
<VueFlow
v-model="elements"
class="customnodeflow"
:class="[gradient ? 'animated-bg-gradient' : '']"
:style="{ backgroundColor: bgColor }"
:connection-mode="ConnectionMode.Loose"
:connection-line-style="connectionLineStyle"
:default-zoom="1.5"
:fit-view-on-init="true"
>
<template #node-custom="props">
<ColorSelectorNode :data="props.data" @change="onChange" @gradient="onGradient" />
</template>
<MiniMap :node-stroke-color="nodeStroke" :node-color="nodeColor" />
</VueFlow>
</template>