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chore: put pagination in separate component and make it optional
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88 changes: 88 additions & 0 deletions
88
packages/libs/react-ui/src/components/Tabs/TabsPagination.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| import { | ||
| MonoArrowBackIosNew, | ||
| MonoArrowForwardIos, | ||
| } from '@kadena/react-icons/system'; | ||
| import classNames from 'classnames'; | ||
| import React, { ReactElement, RefObject, useEffect, useState } from 'react'; | ||
| import { Button } from '../Button'; | ||
| import { hiddenClass, paginationButton, tabListControls } from './Tabs.css'; | ||
| import { calculateScroll } from './utils/calculateScroll'; | ||
|
|
||
| interface ITabsPaginationProps { | ||
| children: ReactElement; | ||
| wrapperContainerRef: RefObject<HTMLDivElement>; | ||
| scrollContainerRef: RefObject<HTMLDivElement>; | ||
| } | ||
|
|
||
| export const TabsPagination = ({ | ||
| children, | ||
| wrapperContainerRef, | ||
| scrollContainerRef, | ||
| }: ITabsPaginationProps) => { | ||
| const [visibleButtons, setVisibleButtons] = useState({ | ||
| left: false, | ||
| right: false, | ||
| }); | ||
|
|
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| const determineButtonVisibility = () => { | ||
| if (!scrollContainerRef.current || !wrapperContainerRef.current) return; | ||
|
|
||
| const viewWidth = wrapperContainerRef.current.offsetWidth; | ||
| const maxWidth = wrapperContainerRef.current.scrollWidth; | ||
| const scrollPosition = scrollContainerRef.current.scrollLeft; | ||
|
|
||
| if (scrollPosition === 0) { | ||
| setVisibleButtons((prev) => ({ ...prev, left: false })); | ||
| } | ||
| if (scrollPosition > 0) { | ||
| setVisibleButtons((prev) => ({ ...prev, left: true })); | ||
| } | ||
| // 20 is a margin to prevent having a very small last bit to scroll | ||
| if (viewWidth + scrollPosition >= maxWidth - 20) { | ||
| setVisibleButtons((prev) => ({ ...prev, right: false })); | ||
| } else { | ||
| setVisibleButtons((prev) => ({ ...prev, right: true })); | ||
| } | ||
| }; | ||
|
|
||
| const handlePagination = (direction: 'back' | 'forward') => { | ||
| if (!wrapperContainerRef.current || !scrollContainerRef.current) return; | ||
|
|
||
| const nextValue = calculateScroll( | ||
| direction, | ||
| wrapperContainerRef, | ||
| scrollContainerRef, | ||
| ); | ||
|
|
||
| scrollContainerRef.current.scrollLeft = nextValue; | ||
| determineButtonVisibility(); | ||
| }; | ||
|
|
||
| useEffect(() => { | ||
| determineButtonVisibility(); | ||
| }, [scrollContainerRef.current?.scrollLeft]); | ||
|
|
||
| return ( | ||
| <div className={tabListControls}> | ||
| <Button | ||
| variant="transparent" | ||
| className={classNames(paginationButton, { | ||
| [hiddenClass]: !visibleButtons.left, | ||
| })} | ||
| onPress={() => handlePagination('back')} | ||
| > | ||
| <MonoArrowBackIosNew /> | ||
| </Button> | ||
| {children} | ||
| <Button | ||
| variant="transparent" | ||
| className={classNames(paginationButton, { | ||
| [hiddenClass]: !visibleButtons.right, | ||
| })} | ||
| onPress={() => handlePagination('forward')} | ||
| > | ||
| <MonoArrowForwardIos /> | ||
| </Button> | ||
| </div> | ||
| ); | ||
| }; |
34 changes: 34 additions & 0 deletions
34
packages/libs/react-ui/src/components/Tabs/utils/calculateScroll.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| import { RefObject } from 'react'; | ||
| import { getMinimalChildWidth } from './getMinimalChildWidth'; | ||
|
|
||
| export const calculateScroll = ( | ||
| direction: 'back' | 'forward', | ||
| wrapperContainerRef: RefObject<HTMLDivElement>, | ||
| scrollContainerRef: RefObject<HTMLDivElement>, | ||
| ) => { | ||
| const maxWidth = wrapperContainerRef.current?.scrollWidth || 0; | ||
| const viewWidth = wrapperContainerRef.current?.offsetWidth || 0; | ||
| const offset = getMinimalChildWidth(scrollContainerRef); | ||
| const currentValue = scrollContainerRef.current?.scrollLeft || 0; | ||
|
|
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| let nextValue = 0; | ||
|
|
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| if (direction === 'forward') { | ||
| nextValue = Math.abs(currentValue + offset); | ||
|
|
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| if (nextValue > maxWidth - viewWidth) { | ||
| nextValue = maxWidth - viewWidth; | ||
| } | ||
|
|
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| if (nextValue > maxWidth) { | ||
| return currentValue; | ||
| } | ||
| } else { | ||
| nextValue = currentValue - offset; | ||
|
|
||
| if (Math.abs(currentValue) < offset) { | ||
| nextValue = 0; | ||
| } | ||
| } | ||
| return nextValue; | ||
| }; |
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