Files
vue-flow/docs/examples/custom-node/App.vue
2024-02-05 07:51:12 +01:00

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2.3 KiB
Vue

<script setup>
import { MiniMap } from '@vue-flow/minimap'
import { Position, VueFlow, useVueFlow } from '@vue-flow/core'
import { ref } from 'vue'
import ColorSelectorNode from './ColorSelectorNode.vue'
import { presets } from './presets.js'
const { findNode } = useVueFlow()
const gradient = ref(false)
const bgColor = ref(presets.ayame)
const bgName = ref('AYAME')
const nodes = ref([
{
id: '1',
type: 'color-selector',
data: { color: bgColor.value },
position: { x: 0, y: 50 },
},
{
id: '2',
type: 'output',
position: { x: 350, y: 25 },
targetPosition: Position.Left,
},
{
id: '3',
type: 'output',
position: { x: 350, y: 200 },
targetPosition: Position.Left,
},
])
const edges = ref([
{
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%)',
}),
},
])
const connectionLineStyle = { stroke: '#fff' }
// minimap stroke color functions
function nodeStroke(n) {
switch (n.type) {
case 'input':
return '#0041d0'
case 'color-selector':
return presets.sumi
case 'output':
return '#ff0072'
default:
return '#eee'
}
}
function nodeColor(n) {
if (n.type === 'color-selector') {
return bgColor.value
}
return '#fff'
}
function onChange(color) {
gradient.value = false
bgColor.value = color.value
bgName.value = color.name
findNode('3').hidden = false
}
function onGradient() {
gradient.value = true
bgColor.value = null
bgName.value = 'gradient'
findNode('3').hidden = true
}
</script>
<template>
<VueFlow
:nodes="nodes"
:edges="edges"
class="custom-node-flow"
:class="[gradient ? 'animated-bg-gradient' : '']"
:style="{ backgroundColor: bgColor }"
:connection-line-style="connectionLineStyle"
:default-viewport="{ zoom: 1.5 }"
fit-view-on-init
>
<template #node-color-selector="{ data }">
<ColorSelectorNode :data="data" />
</template>
<MiniMap :node-stroke-color="nodeStroke" :node-color="nodeColor" />
</VueFlow>
</template>