2022-02-23 22:52:36 +08:00

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<template>
<ETooltip
:content="tipText"
:placement="placement"
:effect="tooltipTheme"
:delay="delay"
:disabled="!showTooltip || disabled"
:max-width="tooltipMaxWidth"
transfer>
<span ref="content" @mouseenter="handleTooltipIn" class="common-auto-tip" @click="onClick">
<template v-if="existSlot"><slot/></template>
<template v-else>{{content}}</template>
</span>
</ETooltip>
</template>
<script>
export default {
name: 'AutoTip',
props: {
content: {
type: [String, Number],
default: ''
},
placement: {
default: 'bottom'
},
tooltipTheme: {
default: 'dark'
},
tooltipMaxWidth: {
type: [String, Number],
default: 300
},
delay: {
type: Number,
default: 100
},
disabled: {
type: Boolean,
default: false
},
},
data() {
return {
showTooltip: false, // 鼠标滑过overflow文本时再检查是否需要显示
tooltipContent: '',
}
},
computed: {
tipText() {
const {content, tooltipContent} = this;
return content || tooltipContent || "";
},
existSlot() {
return !(typeof this.$slots.default === 'undefined' || this.$slots.default.length < 1);
},
},
methods: {
handleTooltipIn () {
const $content = this.$refs.content;
let range = document.createRange();
range.setStart($content, 0);
range.setEnd($content, $content.childNodes.length);
const rangeWidth = range.getBoundingClientRect().width;
this.showTooltip = Math.floor(rangeWidth) > Math.floor($content.offsetWidth);
if (this.showTooltip && this.existSlot) {
const tmpArray = this.$slots.default.map((e) => {
if (e.text) return e.text
if (e.elm.innerText) return e.elm.innerText
return ""
})
this.tooltipContent = tmpArray.join("");
}
range = null;
},
onClick(e) {
this.$emit("on-click", e)
}
}
}
</script>