Files
vue-flow/docs/examples/layout/AnimationEdge.vue
T
2024-02-07 22:29:40 +01:00

162 lines
2.9 KiB
Vue

<script setup>
import { computed, ref, toRef, watch } from 'vue'
import { BaseEdge, getSmoothStepPath, useNodesData, useVueFlow } from '@vue-flow/core'
import { TransitionPresets, executeTransition } from '@vueuse/core'
const props = defineProps({
id: {
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,
required: true,
},
targetPosition: {
type: String,
required: true,
},
data: {
type: Object,
required: false,
},
markerEnd: {
type: String,
required: false,
},
style: {
type: Object,
required: false,
},
sourceHandleId: {
type: String,
required: false,
},
targetHandleId: {
type: String,
required: false,
},
})
const { onNodeDrag } = useVueFlow()
const edgePoint = ref(0)
const sourceNodeData = useNodesData(() => props.source)
const isSourceNodeRunning = toRef(() => sourceNodeData.value?.isRunning)
const edgeColor = toRef(() => {
if (sourceNodeData.value?.hasError) {
return '#f87171'
}
if (sourceNodeData.value?.isFinished) {
return '#10b981'
}
if (isSourceNodeRunning.value) {
return '#6b7280'
}
if (sourceNodeData.value?.isSkipped) {
return '#FFCC99'
}
return '#1a192b'
})
const edgeRef = ref()
const circlePosition = ref({ x: 0, y: 0 })
const currentLength = ref(0)
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) {
runAnimation(point)
return
}
circlePosition.value = pathEl.getPointAtLength(point)
})
watch(isSourceNodeRunning, (isRunning, _, onCleanup) => {
if (isRunning) {
runAnimation()
onCleanup(() => {
edgePoint.value = 0
currentLength.value = 0
circlePosition.value = { x: 0, y: 0 }
})
}
})
function runAnimation(from = 0) {
const pathEl = edgeRef.value?.pathEl
if (!pathEl) {
return
}
edgePoint.value = 0
const totalLength = pathEl.getTotalLength()
if (currentLength.value !== totalLength) {
currentLength.value = totalLength
}
executeTransition(edgePoint, from, totalLength, {
transition: TransitionPresets.easeInOutCubic,
})
}
</script>
<script>
export default {
name: 'AnimationEdge',
inheritAttrs: false,
}
</script>
<template>
<BaseEdge v-bind="$attrs" :id="id" ref="edgeRef" :path="path[0]" :marker-end="markerEnd" :style="{ stroke: edgeColor }" />
<circle
v-if="isSourceNodeRunning"
r="4"
cy="0"
cx="0"
:transform="`translate(${circlePosition.x}, ${circlePosition.y})`"
style="fill: #f59e0b"
/>
</template>