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import { DirectiveBinding } from 'vue'; |
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import { MouseEvent } from '@/types/enums'; |
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const TOOLTIP_ATTR = 'tooltip'; |
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interface ComplexTooltip { |
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content: string; |
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autoWidth?: boolean; |
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} |
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type TooltipBinding = DirectiveBinding<string> | DirectiveBinding<ComplexTooltip>; |
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const isString = (value: any) => typeof value === 'string'; |
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const getCurrentRotation = (el: HTMLElement) => { |
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const computedStyles = window.getComputedStyle(el, null); |
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const transformProp = |
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computedStyles.getPropertyValue('-webkit-transform') || |
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computedStyles.getPropertyValue('-moz-transform') || |
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computedStyles.getPropertyValue('-ms-transform') || |
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computedStyles.getPropertyValue('-o-transform') || |
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computedStyles.getPropertyValue('transform') || |
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'none'; |
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if (transformProp != 'none') { |
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const values = transformProp.split('(')[1].split(')')[0].split(','); |
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const angle = Math.round(Math.atan2(values[1] as any, values[0] as any) * (180 / Math.PI)); |
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return angle < 0 ? angle + 360 : angle; |
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} |
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return 0; |
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}; |
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const getTooltipClass = ({ modifiers }: DirectiveBinding, isRotated: boolean) => { |
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const position = Object.keys(modifiers)[0]; |
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return `has-tooltip--${position || 'bottom'}${isRotated ? '-rotated' : ''}`; |
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}; |
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const getTooltipContent = (binding: TooltipBinding) => { |
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if (!binding.value) return null; |
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return isString(binding.value) ? binding.value : (binding.value as ComplexTooltip).content; |
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}; |
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const addTooltip = (el: HTMLElement, binding: TooltipBinding) => { |
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const content = getTooltipContent(binding); |
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if (!content) return removeTooltip(el, binding); |
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const rotation = getCurrentRotation(el); |
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el.setAttribute(TOOLTIP_ATTR, content as string); |
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document.documentElement.style.setProperty('--tooltip-rotation', `-${rotation}deg`); |
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if (!isString(binding.value) && (binding.value as ComplexTooltip).autoWidth) { |
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document.documentElement.style.setProperty('--tooltip-width', 'auto'); |
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} |
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el.style.transition = '0s'; |
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const zIndex = getComputedStyle(document.documentElement).getPropertyValue('--z-index-child-2'); |
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el.style.zIndex = zIndex; |
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el.style.position = 'relative'; |
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el.classList.add(getTooltipClass(binding, rotation === 180)); |
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}; |
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const removeTooltip = (el: HTMLElement, binding: TooltipBinding) => { |
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el.removeAttribute(TOOLTIP_ATTR); |
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el.style.zIndex = ''; |
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el.style.position = ''; |
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el.classList.remove(getTooltipClass(binding, true)); |
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el.classList.remove(getTooltipClass(binding, false)); |
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}; |
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const unbind = (el: HTMLElement, binding: TooltipBinding) => { |
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el.removeEventListener(MouseEvent.MouseOver, () => addTooltip(el, binding)); |
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el.removeEventListener(MouseEvent.MouseLeave, () => removeTooltip(el, binding)); |
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el.removeEventListener(MouseEvent.Click, () => removeTooltip(el, binding)); |
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}; |
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const bind = (el: HTMLElement, binding: TooltipBinding) => { |
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el.addEventListener(MouseEvent.MouseOver, () => addTooltip(el, binding)); |
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el.addEventListener(MouseEvent.MouseLeave, () => removeTooltip(el, binding)); |
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el.addEventListener(MouseEvent.Click, () => removeTooltip(el, binding)); |
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}; |
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export const vTooltip = { |
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mounted: (el: HTMLElement, binding: TooltipBinding) => bind(el, binding), |
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updated: (el: HTMLElement, binding: TooltipBinding) => bind(el, binding), |
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beforeUnmount: (el: HTMLElement, binding: TooltipBinding) => unbind(el, binding) |
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}; |
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