| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @flow |
| 8 | */ |
| 9 | |
| 10 | import * as React from 'react'; |
| 11 | |
| 12 | import styles from './ChartNode.css'; |
| 13 | import typeof {SyntheticMouseEvent} from 'react-dom-bindings/src/events/SyntheticEvent'; |
| 14 | |
| 15 | type Props = { |
| 16 | color: string, |
| 17 | height: number, |
| 18 | isCurrentSearchMatch?: boolean, |
| 19 | isDimmed?: boolean, |
| 20 | isSearchMatch?: boolean, |
| 21 | label: string, |
| 22 | onClick: (event: SyntheticMouseEvent) => mixed, |
| 23 | onDoubleClick?: (event: SyntheticMouseEvent) => mixed, |
| 24 | onMouseEnter: (event: SyntheticMouseEvent) => mixed, |
| 25 | onMouseLeave: (event: SyntheticMouseEvent) => mixed, |
| 26 | placeLabelAboveNode?: boolean, |
| 27 | searchRegExp?: RegExp | null, |
| 28 | textStyle?: Object, |
| 29 | width: number, |
| 30 | x: number, |
| 31 | y: number, |
| 32 | }; |
| 33 | |
| 34 | const minWidthToDisplay = 35; |
| 35 | |
| 36 | // Wrap the matched substring of `label` in a highlight, like the Components |
| 37 | // panel search does (see IndexableDisplayName). |
| 38 | function highlightLabel( |
| 39 | label: string, |
| 40 | searchRegExp: RegExp, |
| 41 | isCurrentSearchMatch: boolean, |
| 42 | ): React.Node { |
| 43 | const match = searchRegExp.exec(label); |
| 44 | if (match === null) { |
| 45 | return label; |
| 46 | } |
| 47 | const start = match.index; |
| 48 | const stop = start + match[0].length; |
| 49 | return ( |
| 50 | <> |
| 51 | {start > 0 ? label.slice(0, start) : null} |
| 52 | <mark |
| 53 | className={ |
| 54 | isCurrentSearchMatch ? styles.CurrentHighlight : styles.Highlight |
| 55 | }> |
| 56 | {label.slice(start, stop)} |
| 57 | </mark> |
| 58 | {stop < label.length ? label.slice(stop) : null} |
| 59 | </> |
| 60 | ); |
| 61 | } |
| 62 | |
| 63 | export default function ChartNode({ |
| 64 | color, |
| 65 | height, |
| 66 | isCurrentSearchMatch = false, |
| 67 | isDimmed = false, |
| 68 | isSearchMatch = false, |
| 69 | label, |
| 70 | onClick, |
| 71 | onMouseEnter, |
| 72 | onMouseLeave, |
| 73 | onDoubleClick, |
| 74 | searchRegExp, |
| 75 | textStyle, |
| 76 | width, |
| 77 | x, |
| 78 | y, |
| 79 | }: Props): React.Node { |
| 80 | const content = |
| 81 | isSearchMatch && searchRegExp != null |
| 82 | ? highlightLabel(label, searchRegExp, isCurrentSearchMatch) |
| 83 | : label; |
| 84 | return ( |
| 85 | <g className={styles.Group} transform={`translate(${x},${y})`}> |
| 86 | <rect |
| 87 | width={width} |
| 88 | height={height} |
| 89 | fill={color} |
| 90 | onClick={onClick} |
| 91 | onMouseEnter={onMouseEnter} |
| 92 | onMouseLeave={onMouseLeave} |
| 93 | onDoubleClick={onDoubleClick} |
| 94 | className={styles.Rect} |
| 95 | style={{ |
| 96 | opacity: isDimmed ? 0.5 : 1, |
| 97 | }} |
| 98 | /> |
| 99 | {width >= minWidthToDisplay && ( |
| 100 | <foreignObject |
| 101 | width={width} |
| 102 | height={height} |
| 103 | className={styles.ForeignObject} |
| 104 | style={{ |
| 105 | paddingLeft: x < 0 ? -x : 0, |
| 106 | opacity: isDimmed ? 0.75 : 1, |
| 107 | display: width < minWidthToDisplay ? 'none' : 'block', |
| 108 | }} |
| 109 | y={0}> |
| 110 | <div className={styles.Div} style={textStyle}> |
| 111 | {content} |
| 112 | </div> |
| 113 | </foreignObject> |
| 114 | )} |
| 115 | </g> |
| 116 | ); |
| 117 | } |