| 1 | "use client"; |
| 2 | |
| 3 | import { ArrowDown, ArrowRight } from "lucide-react"; |
| 4 | import { NodeApi, PathApi } from "platejs"; |
| 5 | import { PlateElement, type PlateElementProps } from "platejs/react"; |
| 6 | |
| 7 | import { cn } from "@/lib/utils"; |
| 8 | import { type TBeforeAfterGroupElement } from "../plugins/before-after-plugin"; |
| 9 | import { getAlignmentClasses, getDefaultColumnSize } from "../utils"; |
| 10 | import { getPresentationAccentColor } from "./color-utils"; |
| 11 | import { getSiblingIndexContext } from "./sibling-index"; |
| 12 | |
| 13 | export const BeforeAfterSide = (props: PlateElementProps) => { |
| 14 | const { index, parentElement } = |
| 15 | getSiblingIndexContext<TBeforeAfterGroupElement>( |
| 16 | props.editor, |
| 17 | props.element, |
| 18 | props.path, |
| 19 | ); |
| 20 | const fallbackParentPath = PathApi.parent(props.path); |
| 21 | const fallbackParentElement = NodeApi.get( |
| 22 | props.editor, |
| 23 | fallbackParentPath, |
| 24 | ) as TBeforeAfterGroupElement | undefined; |
| 25 | const resolvedParentElement = parentElement ?? fallbackParentElement; |
| 26 | |
| 27 | const { alignment = "center" } = resolvedParentElement ?? {}; |
| 28 | const childCount = resolvedParentElement?.children?.length ?? 0; |
| 29 | const columnSize = |
| 30 | resolvedParentElement?.columnSize ?? getDefaultColumnSize(childCount); |
| 31 | const columns = getColumnCount(columnSize); |
| 32 | const isVertical = columnSize === "xl"; |
| 33 | const showSeparator = shouldShowSeparator({ |
| 34 | columns, |
| 35 | index, |
| 36 | itemCount: childCount, |
| 37 | }); |
| 38 | |
| 39 | const gridColumn = index * 2 + 1; |
| 40 | const accentColor = getPresentationAccentColor( |
| 41 | props.element, |
| 42 | resolvedParentElement, |
| 43 | "var(--presentation-primary)", |
| 44 | ); |
| 45 | return ( |
| 46 | <PlateElement |
| 47 | {...props} |
| 48 | className={cn( |
| 49 | "relative flex h-full min-w-0 flex-1 items-stretch", |
| 50 | isVertical && "flex-col items-center gap-4", |
| 51 | )} |
| 52 | style={{ gridColumn, order: gridColumn }} |
| 53 | > |
| 54 | <div |
| 55 | data-bg-export="true" |
| 56 | className={cn( |
| 57 | "grid h-full w-full rounded-xl border bg-card p-6 shadow-md", |
| 58 | "border-t-4", |
| 59 | )} |
| 60 | style={{ |
| 61 | backgroundColor: "var(--presentation-background)", |
| 62 | color: "var(--presentation-text)", |
| 63 | borderColor: "hsl(var(--border))", |
| 64 | borderTopColor: accentColor, |
| 65 | }} |
| 66 | > |
| 67 | <div className={cn(getAlignmentClasses(alignment))}> |
| 68 | {props.children} |
| 69 | </div> |
| 70 | </div> |
| 71 | {showSeparator ? ( |
| 72 | <BeforeAfterSeparator |
| 73 | accentColor={accentColor} |
| 74 | isVertical={isVertical} |
| 75 | /> |
| 76 | ) : null} |
| 77 | </PlateElement> |
| 78 | ); |
| 79 | }; |
| 80 | |
| 81 | function BeforeAfterSeparator({ |
| 82 | accentColor, |
| 83 | isVertical, |
| 84 | }: { |
| 85 | accentColor: string; |
| 86 | isVertical: boolean; |
| 87 | }) { |
| 88 | const ArrowIcon = isVertical ? ArrowDown : ArrowRight; |
| 89 | |
| 90 | return ( |
| 91 | <div |
| 92 | className={cn( |
| 93 | "flex shrink-0 items-center justify-center self-center", |
| 94 | !isVertical && "absolute -right-9 top-1/2 z-10 -translate-y-1/2", |
| 95 | )} |
| 96 | aria-hidden |
| 97 | > |
| 98 | <div |
| 99 | data-shape="ellipse" |
| 100 | data-shape-text={isVertical ? "↓" : "→"} |
| 101 | data-fill-color={accentColor} |
| 102 | data-text-color="var(--presentation-background)" |
| 103 | className="grid size-12 place-items-center rounded-full text-sm font-bold shadow-xs" |
| 104 | style={{ |
| 105 | backgroundColor: accentColor, |
| 106 | color: "var(--presentation-background)", |
| 107 | pointerEvents: "none", |
| 108 | }} |
| 109 | > |
| 110 | <ArrowIcon className="size-5" strokeWidth={2.5} /> |
| 111 | </div> |
| 112 | </div> |
| 113 | ); |
| 114 | } |
| 115 | |
| 116 | function getColumnCount(columnSize: TBeforeAfterGroupElement["columnSize"]) { |
| 117 | const columnSizeToColumns = { |
| 118 | lg: 2, |
| 119 | md: 3, |
| 120 | sm: 4, |
| 121 | xl: 1, |
| 122 | } satisfies Record< |
| 123 | NonNullable<TBeforeAfterGroupElement["columnSize"]>, |
| 124 | number |
| 125 | >; |
| 126 | |
| 127 | return columnSize ? columnSizeToColumns[columnSize] : columnSizeToColumns.md; |
| 128 | } |
| 129 | |
| 130 | function shouldShowSeparator({ |
| 131 | columns, |
| 132 | index, |
| 133 | itemCount, |
| 134 | }: { |
| 135 | columns: number; |
| 136 | index: number; |
| 137 | itemCount: number; |
| 138 | }) { |
| 139 | const isLastItem = index === itemCount - 1; |
| 140 | const isRowEnd = (index + 1) % columns === 0; |
| 141 | |
| 142 | return !isLastItem && (columns === 1 || !isRowEnd); |
| 143 | } |
| 144 |