86 lines
2.5 KiB
Vue
86 lines
2.5 KiB
Vue
<template>
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<Tooltip transfer :content="text" :placement="placement" :theme="tooltipTheme" :delay="delay" :disabled="!showTooltip" :max-width="tooltipMaxWidth" class="ivu-table-cell-tooltip">
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<span ref="content" @mouseenter="handleTooltipIn" class="ivu-table-cell-tooltip-content">
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<template v-if="existSlot"><slot/></template>
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<template v-else>{{text}}</template>
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</span>
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</Tooltip>
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</template>
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<script>
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export default {
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name: 'AutoTip',
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props: {
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content: {
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type: [String, Number],
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default: ''
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},
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placement: {
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default: 'bottom'
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},
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tooltipTheme: {
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default: 'dark'
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},
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tooltipMaxWidth: {
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type: [String, Number],
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default: 300
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},
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delay: {
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type: Number,
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default: 100
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},
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},
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data() {
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return {
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slotText: '',
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showTooltip: false // 鼠标滑过overflow文本时，再检查是否需要显示
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}
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},
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mounted () {
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this.updateConetne()
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},
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beforeUpdate () {
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this.updateConetne()
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},
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activated() {
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this.updateConetne()
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},
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computed: {
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text() {
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const {content, slotText} = this;
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if (content) {
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return content;
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}
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if (typeof slotText === 'undefined' || slotText.length < 1 || typeof slotText[0].text !== 'string') {
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return '';
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}
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return slotText[0].text;
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},
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existSlot() {
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const {slotText} = this;
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return !(typeof slotText === 'undefined' || slotText.length < 1);
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},
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},
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methods: {
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updateConetne () {
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this.slotText = this.$slots.default;
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},
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handleTooltipIn () {
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const $content = this.$refs.content;
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let range = document.createRange();
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range.setStart($content, 0);
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range.setEnd($content, $content.childNodes.length);
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const rangeWidth = range.getBoundingClientRect().width;
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this.showTooltip = Math.floor(rangeWidth) > Math.floor($content.offsetWidth);
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range = null;
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},
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}
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}
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</script>
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