traxxx/assets/components/tooltip/tooltip.vue

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<template>
<div class="tooltip-container">
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<div
ref="trigger"
class="trigger noselect"
@click.stop="toggle"
>
<slot />
</div>
<teleport to="body">
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<div
v-if="opened"
ref="tooltip"
class="tooltip-wrapper"
:style="{ transform: `translate3d(${tooltipX}px, ${tooltipY}px, 0)` }"
>
<div class="tooltip-inner">
<div class="tooltip">
<slot name="tooltip" />
</div>
</div>
</div>
</teleport>
</div>
</template>
<script>
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import { nextTick } from 'vue';
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function getX(triggerBoundary, tooltipBoundary) {
const idealPosition = triggerBoundary.left + (triggerBoundary.width / 2) - (tooltipBoundary.width / 2);
// don't overflow left edge
if (idealPosition < 0) {
return 0;
}
// don't overflow right edge
if (idealPosition + tooltipBoundary.width > window.innerWidth) {
return window.innerWidth - tooltipBoundary.width;
}
// position at the center of trigger
return idealPosition;
}
async function calculate() {
if (!this.opened) {
return;
}
const triggerBoundary = this.$refs.trigger.getBoundingClientRect();
const tooltipBoundary = this.$refs.tooltip.getBoundingClientRect();
this.tooltipY = triggerBoundary.top + triggerBoundary.height;
this.tooltipX = this.getX(triggerBoundary, tooltipBoundary);
}
async function open() {
this.events.emit('blur');
await nextTick();
this.opened = true;
await nextTick();
this.calculate();
}
function close() {
this.opened = false;
this.tooltipY = 0;
this.tooltipX = 0;
}
function toggle() {
if (this.opened) {
this.close();
return;
}
this.open();
}
function mounted() {
this.events.on('blur', () => {
this.close();
});
this.events.on('resize', () => {
this.calculate();
});
}
export default {
data() {
return {
opened: false,
tooltipX: 0,
tooltipY: 0,
};
},
mounted,
methods: {
calculate,
getX,
open,
close,
toggle,
},
};
</script>
<style lang="scss" scoped>
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.tooltip-wrapper {
display: flex;
top: 0;
left: 0;
flex-direction: column;
justify-content: center;
position: absolute;
z-index: 10;
}
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.tooltip-inner {
position: relative;
box-shadow: 0 0 3px var(--darken-weak);
&:after {
content: '';
width: 0;
height: 0;
position: absolute;
top: -.5rem;
left: calc(50% - .5rem);
border-left: .5rem solid transparent;
border-right: .5rem solid transparent;
border-bottom: .5rem solid var(--background-light);
margin: 0 auto;
filter: drop-shadow(0 0 3px var(--darken-weak));
}
}
.tooltip {
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position: relative;
background: var(--background-light);
}
</style>