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fixed: 重构tooltip代码 #141

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merged 1 commit into from
Jan 10, 2022
Merged

fixed: 重构tooltip代码 #141

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250 changes: 99 additions & 151 deletions packages/devui-vue/devui/tooltip/src/tooltip.tsx
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Original file line number Diff line number Diff line change
@@ -1,161 +1,109 @@
import { defineComponent, reactive, ref, watch, onMounted, getCurrentInstance, onBeforeUnmount, renderSlot, useSlots} from 'vue'
import { defineComponent, reactive, ref, onMounted, onBeforeUnmount, renderSlot, useSlots} from 'vue'
import { tooltipProps } from './tooltip-types'
import EventListener from '../utils/event-listener'
import './tooltip.scss'

export default defineComponent({
name: 'DTooltip',
props: tooltipProps,
setup(props, ctx){
const position = reactive({
left: 0,
top: 0
})
const show = ref(false)

// slotElement元素的ref
const slotElement = ref(null)
// tooltip元素的引用
const tooltip = ref(null)
// arrow元素的引用
const arrow = ref(null)
// tooltipcontent的引用
const tooltipcontent = ref(null)

let enterEvent
let leaveEvent

const arrowStyle = (attr, value)=>{
arrow.value.style[attr] = value
}

// 延迟显示
const delayShowTrue = function (fn, delay=props.mouseEnterDelay){
let start
if (parseInt(delay)>=0){
return function (){
if (start){
clearTimeout(start)
}
start = setTimeout(fn, parseInt(delay))
}
} else{
console.error('the value of delay is bigger than 0 and the type of delay must be string!')
return
}
}
// 延迟消失
const delayShowFalse = function (fn, delay=props.mouseLeaveDelay){
if (show.value && parseInt(delay) >= 0){
setTimeout(fn, parseInt(delay))
}
}

onMounted(()=>{
// 组件初始化不渲染tooltip
if (!show.value){
tooltip.value.style.opacity = '0'
}
name: 'DTooltip',
props: tooltipProps,
setup(props){
const position = reactive({
left: 0,
top: 0
})
// 设置tooltip箭头的样式
const arrowStyle = (attr, value)=>{
document.getElementById('devui-arrow').style[attr] = value
}

// 注册鼠标引入事件
/*enterEvent = EventListener.listen(slotElement.value.children[0], 'mouseenter', function (){
show.value = true
})*/
enterEvent = EventListener.listen(slotElement.value.children[0], 'mouseenter', delayShowTrue(function (){
show.value = true
}, props.mouseEnterDelay))
const slotElement = ref(null)
onMounted(()=>{
slotElement.value.children[0].onmouseenter = function (){
// 创建tooltip元素（外层容器、箭头、内容）
const tooltip = document.createElement('div')
const arrow = document.createElement('div')
const tooltipcontent = document.createElement('div')
// 设置tooltip的样式
tooltip.classList.add('tooltip')
arrow.classList.add('arrow')
tooltipcontent.classList.add('tooltipcontent')
// 设置tooltip的id
arrow.id = 'devui-arrow'
tooltip.id = 'devui-tooltip1'

// 注册鼠标移除事件
leaveEvent = EventListener.listen(slotElement.value.children[0], 'mouseleave', function (){
if (show.value){
setTimeout(function (){
show.value = false
}, props.mouseLeaveDelay)
}
})
})
setTimeout(() => {
document.getElementById('devui-tooltip').appendChild(tooltip)
tooltip.appendChild(arrow)
tooltip.appendChild(tooltipcontent)
tooltipcontent.innerHTML = props.content

watch(show, function (newValue, oldValue){
if (newValue){
// 鼠标悬浮为true，显示提示框
tooltip.value.style.opacity = '1'
tooltip.value.style.zIndex = '999'
arrow.value.style.border = '5px solid transparent'
// 具体的判定规则
switch (props.position){
case 'top':
// 设置 tooltip 内容的样式
position.left = (slotElement.value.children[0].offsetLeft - tooltip.value.offsetWidth / 2 + slotElement.value.children[0].offsetWidth / 2) - 5;
position.top = slotElement.value.children[0].offsetTop - 10 - tooltipcontent.value.offsetHeight
// 设置箭头的样式
arrowStyle('borderTop', '5px solid rgb(70, 77, 110)')
arrow.value.style.top = `${tooltipcontent.value.offsetHeight}px`
arrow.value.style.left = `${tooltipcontent.value.offsetWidth/2 + 5}px`
break

case 'right':
// 设置tooltip 内容的样式
position.left = slotElement.value.children[0].offsetLeft + slotElement.value.children[0].offsetWidth
position.top = slotElement.value.children[0].offsetTop + slotElement.value.children[0].offsetHeight/2 - tooltipcontent.value.offsetHeight/2
// 设置箭头的样式
arrowStyle('borderRight', '5px solid rgb(70, 77, 110)')
arrow.value.style.top = `${tooltipcontent.value.offsetHeight/2 - 5}px`
arrow.value.style.left = '-0px'
break

case 'bottom':
// 设置tooltip的样式
position.top = slotElement.value.children[0].offsetHeight + slotElement.value.children[0].offsetTop + 10
position.left = (slotElement.value.children[0].offsetLeft + slotElement.value.children[0].offsetWidth/2 - tooltipcontent.value.offsetWidth/2) - 5;
// 设置arrow.value的样式
arrowStyle('borderBottom', '5px solid rgb(70, 77, 110)')
arrow.value.style.top = '-10px'
arrow.value.style.left = `${tooltipcontent.value.offsetWidth/2 + 5}px`
break

case 'left':
position.top = slotElement.value.children[0].offsetTop + slotElement.value.children[0].offsetHeight/2 - tooltipcontent.value.offsetHeight/2
position.left = slotElement.value.children[0].offsetLeft - 20 - tooltipcontent.value.offsetWidth
// 设置arrow.value的样式
arrowStyle('borderLeft', '5px solid rgb(70, 77, 110)')
arrow.value.style.left = `${tooltipcontent.value.offsetWidth + 10}px`
arrow.value.style.top = `${tooltipcontent.value.offsetHeight/2 - 5}px`
break

default:
console.error('The attribute position value is wrong, the value is one of top、right、left、bottom')
break
}
tooltip.value.style.top = position.top + 'px'
tooltip.value.style.left = position.left + 'px'
} else {
position.top = 0
position.left = 0
// 鼠标移走为false，隐藏提示框
tooltip.value.style.opacity = '0'
}
})
tooltip.style.opacity = '1'
tooltip.style.zIndex = '999'
arrow.style.border = '5px solid transparent'
switch(props.position){
case 'top':
position.left = (slotElement.value.children[0].offsetLeft - tooltip.offsetWidth / 2 + slotElement.value.children[0].offsetWidth / 2) - 5;
position.top = slotElement.value.children[0].offsetTop - 10 - tooltipcontent.offsetHeight
// 设置箭头的样式
// arrowStyle('borderTop', '5px solid rgb(70, 77, 110)')
arrow.style.top = `${tooltipcontent.offsetHeight}px`
arrow.style.left = `${tooltipcontent.offsetWidth/2 + 5}px`
arrow.style.borderTop = '5px solid rgb(70, 77, 110)'
break;
case 'bottom':
position.top = slotElement.value.children[0].offsetHeight + slotElement.value.children[0].offsetTop + 10
position.left = (slotElement.value.children[0].offsetLeft + slotElement.value.children[0].offsetWidth/2 - tooltipcontent.offsetWidth/2) - 5;
// 设置arrow.value的样式
arrowStyle('borderBottom', '5px solid rgb(70, 77, 110)')
arrow.style.top = '-10px'
arrow.style.left = `${tooltipcontent.offsetWidth/2 + 5}px`
arrow.style.borderBottom = '5px solid rgb(70, 77, 110)'
break;
case 'left':
position.top = slotElement.value.children[0].offsetTop + slotElement.value.children[0].offsetHeight/2 - tooltipcontent.offsetHeight/2
position.left = slotElement.value.children[0].offsetLeft - 20 - tooltipcontent.offsetWidth
// 设置arrow.value的样式
arrowStyle('borderLeft', '5px solid rgb(70, 77, 110)')
arrow.style.left = `${tooltipcontent.offsetWidth + 10}px`
arrow.style.top = `${tooltipcontent.offsetHeight/2 - 5}px`
arrow.style.borderLeft = '5px solid rgb(70, 77, 110)'
break;
case 'right':
// 设置tooltip 内容的样式
position.left = slotElement.value.children[0].offsetLeft + slotElement.value.children[0].offsetWidth
position.top = slotElement.value.children[0].offsetTop + slotElement.value.children[0].offsetHeight/2 - tooltipcontent.offsetHeight/2
// 设置箭头的样式
arrowStyle('borderRight', '5px solid rgb(70, 77, 110)')
arrow.style.top = `${tooltipcontent.offsetHeight/2 - 5}px`
arrow.style.left = '-0px'
arrow.style.borderRight = '5px solid rgb(70, 77, 110)'
break;
}
tooltip.style.top = position.top + 5 + 'px'
tooltip.style.left = position.left + 'px'
}, props.mouseEnterDelay)
}
slotElement.value.children[0].onmouseleave = function (){
setTimeout(() => {
document.getElementById('devui-tooltip1').removeChild(document.getElementById('devui-arrow'))
document.getElementById('devui-tooltip').removeChild(document.getElementById('devui-tooltip1'))
}, props.mouseLeaveDelay)
}
})

onBeforeUnmount (()=>{
enterEvent.remove()
leaveEvent.remove()
})
onBeforeUnmount (()=>{
slotElement.value.children[0].onmouseenter = null
slotElement.value.children[0].onmouseleave = null
})

return ()=>{
const defaultSlot = renderSlot(useSlots(), 'default')
return (
<div class="devui-tooltip">
<div class="slotElement" ref={slotElement}>
{defaultSlot}
</div>
<div class="tooltip" ref={tooltip}>
<div class="arrow" ref={arrow}></div>
<div class="tooltipcontent" ref={tooltipcontent}>
{props.content}
</div>
</div>
</div>
)
}
return ()=> {
const defaultSlot = renderSlot(useSlots(), 'default')
return (
<div class="devui-tooltip" id='devui-tooltip'>
<div class='slotElement' ref={slotElement}>
{defaultSlot}
</div>
</div>
)
}
})
}
});
21 changes: 0 additions & 21 deletions packages/devui-vue/devui/tooltip/utils/event-listener.js
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