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<template>
<transition name="tooltip" appear @after-leave="$emit('closed')">
<div v-show="showing" ref="el" class="buebdbiu _acrylic _shadow" :style="{ maxWidth: maxWidth + 'px' }">
<slot>{{ text }}</slot>
</div>
</transition>
</template>
<script lang="ts">
import { defineComponent, nextTick, onMounted, onUnmounted, ref } from 'vue';
export default defineComponent({
props: {
showing: {
type: Boolean,
required: true,
},
source: {
required: true,
},
text: {
type: String,
required: false
},
maxWidth: {
type: Number,
required: false,
default: 250,
},
},
emits: ['closed'],
setup(props, context) {
const el = ref<HTMLElement>();
const setPosition = () => {
if (el.value == null) return;
const rect = props.source.getBoundingClientRect();
const contentWidth = el.value.offsetWidth;
const contentHeight = el.value.offsetHeight;
let left = rect.left + window.pageXOffset + (props.source.offsetWidth / 2);
let top = rect.top + window.pageYOffset - contentHeight;
left -= (el.value.offsetWidth / 2);
if (left + contentWidth - window.pageXOffset > window.innerWidth) {
left = window.innerWidth - contentWidth + window.pageXOffset - 1;
}
if (top - window.pageYOffset < 0) {
top = rect.top + window.pageYOffset + props.source.offsetHeight;
el.value.style.transformOrigin = 'center top';
}
el.value.style.left = left + 'px';
el.value.style.top = top + 'px';
};
onMounted(() => {
nextTick(() => {
if (props.source == null) {
context.emit('closed');
return;
}
setPosition();
let loopHandler;
const loop = () => {
loopHandler = window.requestAnimationFrame(() => {
setPosition();
loop();
});
};
loop();
onUnmounted(() => {
window.cancelAnimationFrame(loopHandler);
});
});
});
return {
el,
};
},
})
</script>
<style lang="scss" scoped>
.tooltip-enter-active,
.tooltip-leave-active {
opacity: 1;
transform: scale(1);
transition: transform 200ms cubic-bezier(0.23, 1, 0.32, 1), opacity 200ms cubic-bezier(0.23, 1, 0.32, 1);
}
.tooltip-enter-from,
.tooltip-leave-active {
opacity: 0;
transform: scale(0.75);
}
.buebdbiu {
position: absolute;
z-index: 11000;
font-size: 0.8em;
padding: 8px 12px;
box-sizing: border-box;
text-align: center;
border-radius: 4px;
border: solid 0.5px var(--divider);
pointer-events: none;
transform-origin: center bottom;
}
</style>
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