| 1 | "use client"; |
| 2 | |
| 3 | import { GripVertical, PanelLeftOpen, PanelRightOpen } from "lucide-react"; |
| 4 | import { AnimatePresence, motion } from "motion/react"; |
| 5 | import React, { useCallback, useLayoutEffect, useState } from "react"; |
| 6 | |
| 7 | import { Resizable } from "@/components/ui/resizable"; |
| 8 | import { usePresentationSlides } from "@/hooks/presentation/usePresentationSlides"; |
| 9 | import { DEFAULT_PRESENTATION_SLIDE_ASPECT_RATIO } from "@/lib/presentation/aspect-ratio"; |
| 10 | import { cn } from "@/lib/utils"; |
| 11 | import { usePresentationState } from "@/states/presentation-state"; |
| 12 | import StaticPresentationEditor from "../../notebook/presentation/editor/presentation-editor-static"; |
| 13 | import { Button } from "../../ui/button"; |
| 14 | import { Skeleton } from "../../ui/skeleton"; |
| 15 | import { SlideThumbnail } from "./SlideThumbnail"; |
| 16 | |
| 17 | const SIDEBAR_WIDTH_STORAGE_KEY = "presentation-sidebar-width"; |
| 18 | const DEFAULT_SIDEBAR_WIDTH = 150; |
| 19 | |
| 20 | interface SlideSidebarProps { |
| 21 | onSlideClick?: (slideId: string) => void; |
| 22 | currentSlideId?: string; |
| 23 | showSidebar?: boolean; |
| 24 | variant?: "docked" | "sheet"; |
| 25 | className?: string; |
| 26 | } |
| 27 | |
| 28 | function SlideSidebarBase({ |
| 29 | onSlideClick, |
| 30 | currentSlideId: currentSlideIdProp, |
| 31 | showSidebar = true, |
| 32 | variant = "docked", |
| 33 | className, |
| 34 | }: SlideSidebarProps) { |
| 35 | // Only subscribe to slide IDs to prevent re-render when content changes |
| 36 | // shallow ensures array comparison is shallow (same values = no re-render) |
| 37 | const slideIds = usePresentationState((s) => |
| 38 | s.slides.map((slide) => slide.id), |
| 39 | ); |
| 40 | const slidesCount = slideIds.length; |
| 41 | const stateCurrentSlideId = usePresentationState((s) => s.currentSlideId); |
| 42 | const setCurrentSlideId = usePresentationState((s) => s.setCurrentSlideId); |
| 43 | const isSidebarCollapsed = usePresentationState((s) => s.isSidebarCollapsed); |
| 44 | const setIsSidebarCollapsed = usePresentationState( |
| 45 | (s) => s.setIsSidebarCollapsed, |
| 46 | ); |
| 47 | const isGeneratingPresentation = usePresentationState( |
| 48 | (s) => s.isGeneratingPresentation, |
| 49 | ); |
| 50 | const effectiveCurrentSlideId = |
| 51 | typeof currentSlideIdProp === "string" |
| 52 | ? currentSlideIdProp |
| 53 | : stateCurrentSlideId; |
| 54 | const isSheetVariant = variant === "sheet"; |
| 55 | |
| 56 | const [sidebarWidth, setSidebarWidth] = useState(DEFAULT_SIDEBAR_WIDTH); |
| 57 | const { scrollToSlide } = usePresentationSlides(); |
| 58 | |
| 59 | // Load sidebar width from localStorage on mount |
| 60 | useLayoutEffect(() => { |
| 61 | if (isSheetVariant) { |
| 62 | return; |
| 63 | } |
| 64 | |
| 65 | const stored = localStorage.getItem(SIDEBAR_WIDTH_STORAGE_KEY); |
| 66 | if (stored) { |
| 67 | const parsed = parseInt(stored, 10); |
| 68 | if (!Number.isNaN(parsed) && parsed >= 100 && parsed <= 300) { |
| 69 | setSidebarWidth(parsed); |
| 70 | } |
| 71 | } |
| 72 | }, [isSheetVariant]); |
| 73 | |
| 74 | const handleSlideClick = useCallback( |
| 75 | (slideId: string) => { |
| 76 | setCurrentSlideId(slideId); |
| 77 | scrollToSlide(slideId); |
| 78 | onSlideClick?.(slideId); |
| 79 | }, |
| 80 | [onSlideClick, scrollToSlide, setCurrentSlideId], |
| 81 | ); |
| 82 | |
| 83 | const handleResize = useCallback( |
| 84 | (_e: unknown, _direction: unknown, _ref: unknown, d: { width: number }) => { |
| 85 | setSidebarWidth((prev) => { |
| 86 | const newWidth = prev + d.width; |
| 87 | localStorage.setItem(SIDEBAR_WIDTH_STORAGE_KEY, newWidth.toString()); |
| 88 | return newWidth; |
| 89 | }); |
| 90 | }, |
| 91 | [], |
| 92 | ); |
| 93 | |
| 94 | const slideList = ( |
| 95 | <div |
| 96 | className={ |
| 97 | isSheetVariant |
| 98 | ? "scrollbar-thin h-full overflow-auto pr-1 scrollbar-thumb-muted scrollbar-track-transparent" |
| 99 | : "scrollbar-thin h-max max-h-[80dvh] overflow-auto scrollbar-thumb-muted scrollbar-track-transparent" |
| 100 | } |
| 101 | > |
| 102 | <div className="flex flex-col space-y-4 p-4"> |
| 103 | {!isSheetVariant && ( |
| 104 | <div className="mb-2 flex items-center justify-between"> |
| 105 | <h2 className="text-sm font-semibold"> |
| 106 | Slides |
| 107 | </h2> |
| 108 | |
| 109 | <Button |
| 110 | onClick={() => setIsSidebarCollapsed(true)} |
| 111 | variant="ghost" |
| 112 | size="sm" |
| 113 | > |
| 114 | <PanelRightOpen className="size-3" /> |
| 115 | </Button> |
| 116 | </div> |
| 117 | )} |
| 118 | <div className="flex flex-col space-y-4"> |
| 119 | {isGeneratingPresentation && slidesCount === 0 && ( |
| 120 | <div className="aspect-video w-full"> |
| 121 | <Skeleton className="h-full w-full"></Skeleton> |
| 122 | </div> |
| 123 | )} |
| 124 | {slideIds.map((slideId, index) => ( |
| 125 | <MemoPreviewItem |
| 126 | key={slideId} |
| 127 | index={index} |
| 128 | isActive={effectiveCurrentSlideId === slideId} |
| 129 | onClick={handleSlideClick} |
| 130 | slideId={slideId} |
| 131 | containerWidth={isSheetVariant ? undefined : sidebarWidth - 32} |
| 132 | /> |
| 133 | ))} |
| 134 | </div> |
| 135 | </div> |
| 136 | </div> |
| 137 | ); |
| 138 | |
| 139 | if (isSheetVariant) { |
| 140 | if (!showSidebar) { |
| 141 | return null; |
| 142 | } |
| 143 | |
| 144 | return ( |
| 145 | <div |
| 146 | className={cn( |
| 147 | "pointer-events-none fixed top-1/2 left-3 z-40 flex -translate-y-1/2 justify-start", |
| 148 | className, |
| 149 | )} |
| 150 | > |
| 151 | {isSidebarCollapsed ? ( |
| 152 | <motion.div |
| 153 | initial={{ opacity: 0, x: -12 }} |
| 154 | animate={{ opacity: 1, x: 0 }} |
| 155 | exit={{ opacity: 0, x: -12 }} |
| 156 | transition={{ duration: 0.2 }} |
| 157 | className="pointer-events-auto" |
| 158 | > |
| 159 | <button |
| 160 | onClick={() => setIsSidebarCollapsed(false)} |
| 161 | className="rounded-2xl border border-border/70 bg-background/95 px-3 py-4 shadow-lg backdrop-blur" |
| 162 | aria-label="Open slides sidebar" |
| 163 | > |
| 164 | <PanelLeftOpen className="size-5 text-primary" /> |
| 165 | </button> |
| 166 | </motion.div> |
| 167 | ) : ( |
| 168 | <motion.div |
| 169 | initial={{ opacity: 0, x: -16 }} |
| 170 | animate={{ opacity: 1, x: 0 }} |
| 171 | exit={{ opacity: 0, x: -16 }} |
| 172 | transition={{ duration: 0.25 }} |
| 173 | className="pointer-events-auto flex h-[min(60dvh,32rem)] w-[min(11rem,calc(100vw-1.5rem))] flex-col overflow-hidden rounded-2xl border border-border/70 bg-background/95 shadow-xl backdrop-blur" |
| 174 | > |
| 175 | <div className="flex items-center justify-between border-b border-border/60 px-3 py-2.5"> |
| 176 | <h2 className="text-sm font-semibold"> |
| 177 | Slides |
| 178 | </h2> |
| 179 | <Button |
| 180 | onClick={() => setIsSidebarCollapsed(true)} |
| 181 | variant="ghost" |
| 182 | size="sm" |
| 183 | className="size-8" |
| 184 | > |
| 185 | <PanelRightOpen className="size-4" /> |
| 186 | </Button> |
| 187 | </div> |
| 188 | <div className="min-h-0 flex-1">{slideList}</div> |
| 189 | </motion.div> |
| 190 | )} |
| 191 | </div> |
| 192 | ); |
| 193 | } |
| 194 | |
| 195 | return ( |
| 196 | <div |
| 197 | className={ |
| 198 | className |
| 199 | ? `flex h-full items-center ${className}` |
| 200 | : "flex h-full items-center" |
| 201 | } |
| 202 | > |
| 203 | <div className="flex h-full items-center"> |
| 204 | <AnimatePresence> |
| 205 | {showSidebar && !isSidebarCollapsed && ( |
| 206 | <motion.div |
| 207 | initial={{ |
| 208 | scale: 1, |
| 209 | width: "auto", |
| 210 | opacity: 1, |
| 211 | x: "-100%", |
| 212 | originX: 0.5, |
| 213 | originY: 0.5, |
| 214 | }} |
| 215 | animate={{ |
| 216 | x: 0, |
| 217 | }} |
| 218 | exit={{ |
| 219 | scale: 0, |
| 220 | width: 0, |
| 221 | opacity: 0, |
| 222 | originX: 0.5, |
| 223 | originY: 0.5, |
| 224 | }} |
| 225 | transition={{ |
| 226 | duration: 0.35, |
| 227 | opacity: { duration: 0.25 }, |
| 228 | }} |
| 229 | className="overflow-hidden" |
| 230 | > |
| 231 | <Resizable |
| 232 | size={{ width: sidebarWidth }} |
| 233 | minWidth={100} |
| 234 | maxWidth={300} |
| 235 | enable={{ right: true }} |
| 236 | onResizeStop={handleResize} |
| 237 | handleComponent={{ |
| 238 | right: ( |
| 239 | <div className="group/resize relative flex h-full w-1 cursor-col-resize bg-border"> |
| 240 | <GripVertical className="absolute top-1/2 left-1/2 h-4 w-4 -translate-x-1/2 -translate-y-1/2 text-muted-foreground opacity-0 group-hover/resize:opacity-100" /> |
| 241 | </div> |
| 242 | ), |
| 243 | }} |
| 244 | > |
| 245 | {slideList} |
| 246 | </Resizable> |
| 247 | </motion.div> |
| 248 | )} |
| 249 | </AnimatePresence> |
| 250 | |
| 251 | {showSidebar && isSidebarCollapsed && ( |
| 252 | <motion.div |
| 253 | initial={{ opacity: 0 }} |
| 254 | animate={{ opacity: 1, x: "0.5rem" }} |
| 255 | exit={{ opacity: 0 }} |
| 256 | transition={{ |
| 257 | duration: 0.4, |
| 258 | opacity: { duration: 0.4, delay: 0.1 }, |
| 259 | }} |
| 260 | > |
| 261 | <button |
| 262 | onClick={() => setIsSidebarCollapsed(false)} |
| 263 | className="rounded-md border border-(--presentation-primary) px-1 py-2" |
| 264 | > |
| 265 | <PanelLeftOpen className="size-5 text-sm" /> |
| 266 | </button> |
| 267 | </motion.div> |
| 268 | )} |
| 269 | </div> |
| 270 | </div> |
| 271 | ); |
| 272 | } |
| 273 | |
| 274 | // moved to hooks/presentation/previewSignature |
| 275 | |
| 276 | const MemoPreviewItem = React.memo( |
| 277 | function PreviewItem({ |
| 278 | index, |
| 279 | isActive, |
| 280 | onClick, |
| 281 | slideId, |
| 282 | containerWidth, |
| 283 | }: { |
| 284 | index: number; |
| 285 | isActive: boolean; |
| 286 | onClick: (slideId: string) => void; |
| 287 | slideId: string; |
| 288 | containerWidth?: number; |
| 289 | }) { |
| 290 | // Each item fetches its own slide - stable reference unless THIS slide changes |
| 291 | const slide = usePresentationState((s) => |
| 292 | s.slides.find((slide) => slide.id === slideId), |
| 293 | ); |
| 294 | |
| 295 | const handleClick = useCallback(() => onClick(slideId), [onClick, slideId]); |
| 296 | |
| 297 | if (!slide) return null; |
| 298 | |
| 299 | const effectiveContainerWidth = |
| 300 | typeof containerWidth === "number" |
| 301 | ? containerWidth - |
| 302 | ((slide.formatCategory ?? "presentation") === "social" ? 8 : 0) |
| 303 | : undefined; |
| 304 | |
| 305 | return ( |
| 306 | <SlideThumbnail |
| 307 | index={index} // For showing the slide number |
| 308 | isActive={isActive} |
| 309 | onClick={handleClick} |
| 310 | widthSize={(slide.width ?? "M") as "S" | "M" | "L"} |
| 311 | formatCategory={slide.formatCategory ?? "presentation"} |
| 312 | aspectRatio={ |
| 313 | slide.aspectRatio ?? DEFAULT_PRESENTATION_SLIDE_ASPECT_RATIO |
| 314 | } |
| 315 | containerWidth={effectiveContainerWidth} |
| 316 | > |
| 317 | <StaticPresentationEditor |
| 318 | initialContent={slide} |
| 319 | className="border" |
| 320 | id={`preview-${slideId}`} |
| 321 | /> |
| 322 | </SlideThumbnail> |
| 323 | ); |
| 324 | }, |
| 325 | (prev, next) => { |
| 326 | if (prev.index !== next.index) return false; |
| 327 | if (prev.isActive !== next.isActive) return false; |
| 328 | if (prev.slideId !== next.slideId) return false; |
| 329 | if (prev.containerWidth !== next.containerWidth) return false; |
| 330 | // Note: We don't need to compare slide anymore since each item fetches its own |
| 331 | // and React will re-render when the selector returns a new reference |
| 332 | return true; |
| 333 | }, |
| 334 | ); |
| 335 | |
| 336 | export const SlideSidebar = React.memo(SlideSidebarBase); |
| 337 |