audiobookshelf-pgodwin/client/components/ui/Tooltip.vue

126 lines
3.3 KiB
Vue

<template>
<div ref="box" @mouseover="mouseover" @mouseleave="mouseleave">
<slot />
</div>
</template>
<script>
export default {
props: {
text: {
type: [String, Number],
required: true
},
direction: {
type: String,
default: 'right'
},
disabled: Boolean
},
data() {
return {
tooltip: null,
tooltipId: null,
isShowing: false,
hideTimeout: null
}
},
watch: {
text() {
this.updateText()
},
disabled(newVal) {
if (newVal && this.isShowing) {
this.hideTooltip()
}
}
},
methods: {
updateText() {
if (this.tooltip) {
this.tooltip.innerHTML = this.text
this.setTooltipPosition(this.tooltip)
}
},
createTooltip() {
if (!this.$refs.box) return
var tooltip = document.createElement('div')
this.tooltipId = String(Math.floor(Math.random() * 10000))
tooltip.id = this.tooltipId
tooltip.className = 'tooltip-wrapper absolute px-2 py-1 text-white text-xs rounded shadow-lg max-w-xs text-center hidden sm:block'
tooltip.style.zIndex = 100
tooltip.style.backgroundColor = 'rgba(0,0,0,0.85)'
tooltip.innerHTML = this.text
tooltip.addEventListener('mouseover', this.cancelHide);
tooltip.addEventListener('mouseleave', this.hideTooltip);
this.setTooltipPosition(tooltip)
this.tooltip = tooltip
},
setTooltipPosition(tooltip) {
var boxChow = this.$refs.box.getBoundingClientRect()
var shouldMount = !tooltip.isConnected
// Calculate size of tooltip
if (shouldMount) document.body.appendChild(tooltip)
var { width, height } = tooltip.getBoundingClientRect()
if (shouldMount) tooltip.remove()
var top = 0
var left = 0
if (this.direction === 'right') {
top = boxChow.top - height / 2 + boxChow.height / 2
left = boxChow.left + boxChow.width + 4
} else if (this.direction === 'bottom') {
top = boxChow.top + boxChow.height + 4
left = boxChow.left - width / 2 + boxChow.width / 2
} else if (this.direction === 'top') {
top = boxChow.top - height - 4
left = boxChow.left - width / 2 + boxChow.width / 2
} else if (this.direction === 'left') {
top = boxChow.top - height / 2 + boxChow.height / 2
left = boxChow.left - width - 4
}
tooltip.style.top = top + 'px'
tooltip.style.left = left + 'px'
},
showTooltip() {
if (this.disabled) return
if (!this.tooltip) {
this.createTooltip()
if (!this.tooltip) return
}
if (!this.$refs.box) return // Ensure element is not destroyed
try {
document.body.appendChild(this.tooltip)
this.setTooltipPosition(this.tooltip)
} catch (error) {
console.error(error)
}
this.isShowing = true
},
hideTooltip() {
if (!this.tooltip) return
this.tooltip.remove()
this.isShowing = false
},
cancelHide() {
if (this.hideTimeout) clearTimeout(this.hideTimeout);
},
mouseover() {
if (!this.isShowing) this.showTooltip()
},
mouseleave() {
if (this.isShowing) {
this.hideTimeout = setTimeout(this.hideTooltip, 100)
}
}
},
beforeDestroy() {
this.hideTooltip()
}
}
</script>