michael-s-molina commented on code in PR #21974: URL: https://github.com/apache/superset/pull/21974#discussion_r1009651149
########## superset-frontend/src/components/DropdownContainer/index.tsx: ########## @@ -0,0 +1,233 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +import React, { CSSProperties, useEffect, useMemo, useState } from 'react'; +import { css, t, useTheme } from '@superset-ui/core'; +import { useResizeDetector } from 'react-resize-detector'; +import { usePrevious } from 'src/hooks/usePrevious'; +import Badge from '../Badge'; +import Icons from '../Icons'; +import Button from '../Button'; +import Popover from '../Popover'; + +/** + * Horizontal container that displays overflowed items in a popover. + * It shows an indicator of how many items are currently overflowed. + */ +export interface DropdownContainerProps { + /** + * Array of items. The id property is used to uniquely identify + * the elements when rendering or dealing with event handlers. + */ + items: { + id: string; + element: React.ReactElement; + }[]; + /** + * Event handler called every time an element moves between + * main container and popover. + */ + onOverflowingStateChange?: (overflowingState: { + notOverflowed: string[]; + overflowed: string[]; + }) => void; + /** + * Popover additional style properties. + */ + popoverStyle?: CSSProperties; + /** + * Icon of the popover trigger. + */ + popoverTriggerIcon?: React.ReactElement; + /** + * Text of the popover trigger. + */ + popoverTriggerText?: string; + /** + * Main container additional style properties. + */ + style?: CSSProperties; +} + +const DropdownContainer = ({ + items, + onOverflowingStateChange, + popoverStyle = {}, + popoverTriggerIcon, + popoverTriggerText = t('More'), + style, +}: DropdownContainerProps) => { + const theme = useTheme(); + const { ref, width = 0 } = useResizeDetector<HTMLDivElement>(); + const previousWidth = usePrevious(width) || 0; + const { current } = ref; + const [overflowingIndex, setOverflowingIndex] = useState<number>(-1); + const [itemsWidth, setItemsWidth] = useState<number[]>([]); + + useEffect(() => { + const container = current?.children.item(0); + if (container) { + const { children } = container; + const childrenArray = Array.from(children); + + // Stores items width once + if (itemsWidth.length === 0) { + setItemsWidth( + childrenArray.map(child => child.getBoundingClientRect().width), + ); + } + + // Calculates the index of the first overflowed element + const index = childrenArray.findIndex( + child => + child.getBoundingClientRect().right > + container.getBoundingClientRect().right, + ); + setOverflowingIndex(index === -1 ? children.length : index); + + if (width > previousWidth && overflowingIndex !== -1) { + // Calculates remaining space in the container + const button = current?.children.item(1); + const buttonRight = button?.getBoundingClientRect().right || 0; + const containerRight = current?.getBoundingClientRect().right || 0; + const remainingSpace = containerRight - buttonRight; + // Checks if the first element in the popover fits in the remaining space + const fitsInRemainingSpace = remainingSpace >= itemsWidth[0]; + if (fitsInRemainingSpace && overflowingIndex < items.length) { + // Moves element from popover to container + setOverflowingIndex(overflowingIndex + 1); + } + } + } + }, [ + current, + items.length, + itemsWidth, + overflowingIndex, + previousWidth, + width, + ]); + + const notOverflowedItems = useMemo( + () => + items + .slice(0, overflowingIndex !== -1 ? overflowingIndex : items.length) + .map(item => React.cloneElement(item.element, { key: item.id })), + [items, overflowingIndex], + ); + + const notOverflowedIds = useMemo( + () => + items + .slice(0, overflowingIndex !== -1 ? overflowingIndex : items.length) + .map(item => item.id), + [items, overflowingIndex], + ); + + const overflowedItems = useMemo( + () => + overflowingIndex !== -1 + ? items + .slice(overflowingIndex, items.length) + .map(item => React.cloneElement(item.element, { key: item.id })) + : [], + [items, overflowingIndex], + ); + + const overflowedIds = useMemo( + () => + overflowingIndex !== -1 + ? items.slice(overflowingIndex, items.length).map(item => item.id) + : [], + [items, overflowingIndex], + ); + + useEffect(() => { + if (onOverflowingStateChange) { + onOverflowingStateChange({ + notOverflowed: notOverflowedIds, + overflowed: overflowedIds, + }); + } + }, [notOverflowedIds, onOverflowingStateChange, overflowedIds]); + + const popoverContent = useMemo( + () => ( + <div + css={css` + display: flex; + flex-direction: column; + gap: ${theme.gridUnit * 3}px; + width: 200px; + `} + style={popoverStyle} + > + {overflowedItems} Review Comment: I added the `popoverContent` property 👍🏼 -- This is an automated message from the Apache Git Service. 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