TaskDetailPanel.vue
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<template>
<div class="right-top-box">
<div ref="elStepContainer" class="elStep" @mouseenter="onElStepMouseEnter" @mouseleave="onElStepMouseLeave" @touchstart="onElStepTouchStart" @touchmove="onElStepTouchMove" @touchend="onElStepTouchEnd" @touchcancel="onElStepTouchEnd">
<el-steps finish-status="success" :active="activeStep + 1" space="auto" class="custom-steps">
<el-step v-for="(item, index) in deviceStatus" :key="index">
<template #title>
<div class="step-title-wrapper">
<span v-if="item.value != null" class="step-title-clickable">
{{ item.key }}
</span>
<span v-else>
{{ item.key }}
</span>
<span class="step-time">{{ item.time }}</span>
</div>
<div class="step-value">{{ item.value }}</div>
<div>
<div class="solt-Moees">
{{ item.Message }}
</div>
</div>
<div class="solt-text">
{{ item.handlePlan }}
</div>
</template>
</el-step>
</el-steps>
</div>
<div class="field-display-area">
<div class="field-item" v-for="(field, index) in fieldList" :key="index">
<div class="field-label">{{ field.label }}</div>
<div class="field-value">{{ field.value }}</div>
</div>
</div>
</div>
</template>
<script>
export default {
name: 'TaskDetailPanel',
props: {
// 当前步骤下标，用于控制 ElementUI 步骤条高亮位置。
activeStep: {
type: Number,
default: 0,
},
// 任务阶段列表，展示任务流转步骤和异常信息。
deviceStatus: {
type: Array,
default: () => [],
},
// 任务基础字段列表，展示红框详情区的字段和值。
fieldList: {
type: Array,
default: () => [],
},
},
data() {
return {
isElStepHovered: false,
isElStepTouching: false,
elStepTouchEndTimer: null,
elStepMouseLeaveTimer: null,
elStepWheelHandler: null,
}
},
watch: {
activeStep() {
this.scheduleCenterCurrentStep()
},
deviceStatus() {
this.scheduleCenterCurrentStep()
},
},
methods: {
scheduleCenterCurrentStep() {
this.$nextTick(() => {
this.centerCurrentStepIfNeeded()
})
},
centerCurrentStepIfNeeded() {
if (this.isElStepHovered || this.isElStepTouching) return
const container = this.$refs.elStepContainer
if (!container) return
if (!this.deviceStatus || this.deviceStatus.length === 0) return
const stepEls = container.querySelectorAll('.el-step')
if (!stepEls.length) return
let activeIndex = 0
if (typeof this.activeStep === 'number' && this.activeStep >= 0) {
activeIndex = Math.min(this.activeStep, stepEls.length - 1)
}
const activeEl = stepEls[activeIndex]
if (!activeEl) return
const visibleCenter = activeEl.offsetLeft - container.scrollLeft + activeEl.offsetWidth / 2
const containerCenter = container.clientWidth / 2
const threshold = 12
if (Math.abs(visibleCenter - containerCenter) <= threshold) return
let targetLeft = activeEl.offsetLeft + activeEl.offsetWidth / 2 - container.clientWidth / 2
const maxLeft = Math.max(0, container.scrollWidth - container.clientWidth)
targetLeft = Math.max(0, Math.min(targetLeft, maxLeft))
container.scrollTo({
left: targetLeft,
behavior: 'smooth',
})
},
onElStepMouseEnter() {
this.isElStepHovered = true
if (this.elStepMouseLeaveTimer) {
clearTimeout(this.elStepMouseLeaveTimer)
this.elStepMouseLeaveTimer = null
}
},
onElStepMouseLeave() {
this.isElStepHovered = false
if (this.elStepMouseLeaveTimer) clearTimeout(this.elStepMouseLeaveTimer)
this.elStepMouseLeaveTimer = setTimeout(() => {
this.scheduleCenterCurrentStep()
}, 3000)
},
onElStepTouchStart() {
this.isElStepTouching = true
if (this.elStepTouchEndTimer) {
clearTimeout(this.elStepTouchEndTimer)
this.elStepTouchEndTimer = null
}
},
onElStepTouchMove() {
this.isElStepTouching = true
},
onElStepTouchEnd() {
if (this.elStepTouchEndTimer) clearTimeout(this.elStepTouchEndTimer)
this.elStepTouchEndTimer = setTimeout(() => {
this.isElStepTouching = false
this.scheduleCenterCurrentStep()
}, 180)
},
},
mounted() {
const rightTopBox = this.$refs.elStepContainer
if (rightTopBox) {
this.elStepWheelHandler = (e) => {
e.preventDefault()
rightTopBox.scrollLeft += e.deltaY
}
rightTopBox.addEventListener('wheel', this.elStepWheelHandler, { passive: false })
}
this.scheduleCenterCurrentStep()
},
beforeDestroy() {
if (this.elStepTouchEndTimer) clearTimeout(this.elStepTouchEndTimer)
if (this.elStepMouseLeaveTimer) clearTimeout(this.elStepMouseLeaveTimer)
const rightTopBox = this.$refs.elStepContainer
if (rightTopBox && this.elStepWheelHandler) {
rightTopBox.removeEventListener('wheel', this.elStepWheelHandler)
this.elStepWheelHandler = null
}
},
}
</script>