Created
May 10, 2020 17:53
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<template lang="pug"> | |
.wrapper-tooltip | |
.tooltip( | |
v-if="show" | |
ref="modal" | |
:class="arrowDirection" | |
:style="{ top, left }" | |
) | |
span.arrow(:style="{ borderBottomWidth, borderTopWidth }") | |
span.tooltip-text {{ tooltipText }} | |
div( | |
:class="containerClass" | |
@mouseover="showTooltip" | |
@mouseleave="closeTooltip" | |
) | |
slot | |
</template> | |
<script> | |
export default { | |
props: { | |
tooltipText: { | |
type: String, | |
required: true | |
}, | |
direction: { | |
type: String, | |
default: "right", | |
validator(dir) { | |
return [ | |
"top", | |
"right", | |
"bottom", | |
"left" | |
].includes(dir); | |
} | |
} | |
}, | |
data() { | |
return { | |
top: 0, | |
left: 0, | |
show: false, | |
rotateImage: false, | |
shownEarlier: false, | |
borderBottomWidth: 0, | |
borderTopWidth: 0, | |
arrowDirection: "right", | |
containerClass: "tooltip-content", | |
} | |
}, | |
methods: { | |
showTooltip(event) { | |
if (this.show) return; | |
this.show = true; | |
this.$nextTick(( ) => { | |
const modal = this.$refs.modal; | |
// проверка на то что элемент не вызывался, потому при | |
// втором вызове width и height модалки почему то равны 0 | |
if (!this.shownEarlier) { | |
// ширина и высота модалки | |
const width = modal.clientWidth; | |
const height = modal.clientHeight; | |
// контейнер, около которого надо вывести модалку | |
const container = event.path.find(el => { | |
return el.classList.contains(this.containerClass); | |
}); | |
// параметры контейнера | |
const box = container.firstChild.getBoundingClientRect(); | |
// размещение тултипа --> | |
// сверху | |
if (this.direction === "top") { | |
this.top = this.getTop(box.top, height); | |
} | |
// снизу | |
else if (this.direction === "bottom") { | |
this.top = this.getBottom(box.top, height); | |
} | |
// справа | |
else if (this.direction === "right") { | |
this.top = this.getCenter(box.top); | |
this.setArrowRightLeft(height); | |
// можно ли разместить тултип справа, если можно то размещаем | |
if (this.haveFreeSpaceRight(box, width)) { | |
this.left = this.getLeft(box); | |
this.arrowDirection = "right"; | |
} | |
// если нет, размещаем в противоположном | |
else { | |
this.arrowDirection = "left"; | |
this.rotateImage = true; | |
this.left = this.getRight(box, width); | |
} | |
} | |
// слева | |
else if (this.direction === "left") { | |
this.top = this.getCenter(box.top); | |
this.setArrowRightLeft(height); | |
// можно ли разместить тултип слева, если можно то размещаем | |
if (this.haveFreeSpaceLeft(box, width)) { | |
this.arrowDirection = "left"; | |
this.rotateImage = true; | |
this.left = this.getLeft(box); | |
} | |
// если нет, размещаем в противоположном | |
else { | |
this.arrowDirection = "right"; | |
this.left = this.getRight(box, width); | |
} | |
} | |
this.top += "px"; | |
this.left += "px"; | |
this.shownEarlier = true; | |
} | |
document.body.appendChild(modal); | |
}); | |
return; | |
}, | |
closeTooltip() { | |
this.show = false; | |
}, | |
setArrowRightLeft(height) { | |
this.borderBottomWidth = height / 2 + "px"; | |
this.borderTopWidth = height / 2 + "px"; | |
}, | |
getTop(containerHeight, elementHeight) { | |
return containerHeight - elementHeight + pageYOffset; | |
}, | |
getCenter(containerHeight) { | |
return containerHeight + pageYOffset + 5; // 5 для выравнивания | |
}, | |
getBottom(containerHeight, elementHeight) { | |
return containerHeight + elementHeight + pageYOffset; | |
}, | |
getLeft(container) { | |
return container.left + pageXOffset + container.width * 2; // 20 просто на глаз, можно поменять | |
}, | |
getRight(container, elementWidth) { | |
return container.left + pageXOffset - (container.width / 2) - elementWidth - 20; | |
}, | |
haveFreeSpaceRight(container, elementWidth) { | |
return window.innerWidth - container.x > elementWidth + 100; | |
}, | |
haveFreeSpaceLeft(container, elementWidth) { | |
return container.x < elementWidth + 100; | |
} | |
}, | |
} | |
</script> | |
<style lang="sass" scoped> | |
.wrapper-tooltip | |
.tooltip | |
position: absolute | |
z-index: 999 | |
box-shadow: 0px 1px 2px rgba(8, 35, 48, 0.24), 0px 2px 6px rgba(8, 35, 48, 0.16) | |
.arrow | |
position: absolute | |
top: 0 | |
border-top: solid transparent | |
border-bottom: solid transparent | |
&.left .arrow | |
right: -2rem | |
border-left: 2rem solid $WhiteGrey | |
&.right .arrow | |
left: -2rem | |
border-right: 2rem solid $WhiteGrey | |
&-text | |
display: flex | |
flex-flow: row nowrap | |
padding: .5rem 1rem | |
background-color: $WhiteGrey | |
.pic | |
position: absolute | |
z-index: -1 | |
width: 100% | |
height: 100% | |
box-sizing: border-box | |
top: .2rem | |
left: -.5rem | |
&.rotate | |
left: .5rem | |
transform: rotateY(180deg) | |
</style> |
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