Files
vue-flow/docs/examples/layout/AnimationEdge.vue

163 lines
3.1 KiB
Vue

<script setup>
import { computed, nextTick, ref, toRef, watch } from 'vue'
import { BaseEdge, EdgeLabelRenderer, Position, getSmoothStepPath, useNodesData } from '@vue-flow/core'
import { TransitionPresets, executeTransition } from '@vueuse/core'
const props = defineProps({
id: {
type: String,
required: true,
},
source: {
type: String,
required: true,
},
target: {
type: String,
required: true,
},
sourceX: {
type: Number,
required: true,
},
sourceY: {
type: Number,
required: true,
},
targetX: {
type: Number,
required: true,
},
targetY: {
type: Number,
required: true,
},
sourcePosition: {
type: String,
default: Position.Right,
},
targetPosition: {
type: String,
default: Position.Left,
},
})
const nodesData = useNodesData([props.target, props.source])
const edgePoint = ref(0)
const edgeRef = ref()
const labelPosition = ref({ x: 0, y: 0 })
const currentLength = ref(0)
const targetNodeData = toRef(() => nodesData.value[0])
const sourceNodeData = toRef(() => nodesData.value[1])
const isFinished = toRef(() => sourceNodeData.value.isFinished)
const isAnimating = ref(false)
const edgeColor = toRef(() => {
if (targetNodeData.value.hasError) {
return '#f87171'
}
if (targetNodeData.value.isFinished) {
return '#10b981'
}
if (targetNodeData.value.isCancelled || targetNodeData.value.isSkipped) {
return '#fbbf24'
}
if (targetNodeData.value.isRunning) {
return '#2563eb'
}
return '#6b7280'
})
const path = computed(() => getSmoothStepPath(props))
watch(edgePoint, (point) => {
const pathEl = edgeRef.value?.pathEl
if (!pathEl || point === 0) {
return
}
const currLength = pathEl.getTotalLength()
if (currentLength.value !== currLength) {
return runAnimation()
}
labelPosition.value = pathEl.getPointAtLength(point)
})
watch(isFinished, async (isFinished) => {
if (isFinished) {
await runAnimation()
nextTick(() => {
edgePoint.value = 0
currentLength.value = 0
labelPosition.value = { x: 0, y: 0 }
})
}
})
async function runAnimation() {
const pathEl = edgeRef.value?.pathEl
if (!pathEl) {
return
}
nextTick(() => {
isAnimating.value = true
})
const totalLength = pathEl.getTotalLength()
const from = edgePoint.value || 0
if (currentLength.value !== totalLength) {
currentLength.value = totalLength
}
await executeTransition(edgePoint, from, totalLength, {
transition: TransitionPresets.easeInOutCubic,
})
isAnimating.value = false
}
</script>
<script>
export default {
name: 'AnimationEdge',
inheritAttrs: false,
}
</script>
<template>
<BaseEdge v-bind="$attrs" :id="id" ref="edgeRef" :path="path[0]" :style="{ stroke: edgeColor }" />
<EdgeLabelRenderer v-if="isAnimating">
<div
:style="{
position: 'absolute',
transform: `translate(-50%, -50%) translate(${labelPosition.x}px,${labelPosition.y}px)`,
pointerEvents: 'all',
}"
class="nodrag nopan"
>
📦
</div>
</EdgeLabelRenderer>
</template>