feat: enhance textbook reader with anchor text support and improve knowledge point management
This commit is contained in:
SpecialX
@@ -1,16 +1,47 @@
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"use client"
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import { useMemo, useState } from "react"
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import { useMemo, useState, useEffect, useRef } from "react"
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import ReactMarkdown from "react-markdown"
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import remarkBreaks from "remark-breaks"
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import remarkGfm from "remark-gfm"
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import { useQueryState, parseAsString } from "nuqs"
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import { ChevronRight, FileText, Folder } from "lucide-react"
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import { Tag, List, Plus, Edit2, Save, Trash2, Pencil, PlusCircle, ChevronDown, ChevronUp } from "lucide-react"
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import { toast } from "sonner"
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import {
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Collapsible,
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CollapsibleContent,
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CollapsibleTrigger,
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} from "@/shared/components/ui/collapsible"
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import type { Chapter } from "../types"
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import type { Chapter, KnowledgePoint } from "../types"
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import { createKnowledgePointAction, updateChapterContentAction, deleteKnowledgePointAction, updateKnowledgePointAction } from "../actions"
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import { CreateQuestionDialog } from "@/modules/questions/components/create-question-dialog"
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import { cn } from "@/shared/lib/utils"
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import { ScrollArea } from "@/shared/components/ui/scroll-area"
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import { Button } from "@/shared/components/ui/button"
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import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/shared/components/ui/tabs"
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import { Badge } from "@/shared/components/ui/badge"
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import {
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Dialog,
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DialogContent,
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DialogDescription,
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DialogFooter,
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DialogHeader,
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DialogTitle,
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} from "@/shared/components/ui/dialog"
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import { Input } from "@/shared/components/ui/input"
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import { Label } from "@/shared/components/ui/label"
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import { Textarea } from "@/shared/components/ui/textarea"
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import {
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ContextMenu,
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ContextMenuContent,
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ContextMenuItem,
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ContextMenuTrigger,
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} from "@/shared/components/ui/context-menu"
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import { ChapterSidebarList } from "./chapter-sidebar-list"
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import { RichTextEditor } from "@/shared/components/ui/rich-text-editor"
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function buildChapterIndex(chapters: Chapter[]) {
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const index = new Map<string, Chapter>()
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@@ -26,131 +57,543 @@ function buildChapterIndex(chapters: Chapter[]) {
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return index
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}
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function ReaderChapterItem({
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chapter,
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level = 0,
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selectedId,
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onSelect,
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}: {
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chapter: Chapter
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level?: number
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selectedId: string | null
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onSelect: (chapterId: string) => void
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}) {
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const hasChildren = Boolean(chapter.children && chapter.children.length > 0)
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const [open, setOpen] = useState(level === 0)
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const isSelected = selectedId === chapter.id
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return (
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<div className={cn(level > 0 && "ml-2 border-l pl-2")}>
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<div
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className={cn(
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"flex items-center group py-1 rounded-md transition-colors",
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isSelected ? "bg-accent text-accent-foreground" : "hover:bg-muted/50"
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)}
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>
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{hasChildren ? (
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<Button
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variant="ghost"
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size="icon"
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className="h-6 w-6 shrink-0 p-0 hover:bg-muted"
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onClick={() => setOpen((v) => !v)}
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>
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<ChevronRight className={cn("h-4 w-4 text-muted-foreground transition-transform", open && "rotate-90")} />
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</Button>
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) : (
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<div className="w-6 shrink-0" />
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)}
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<button
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type="button"
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className={cn(
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"flex flex-1 min-w-0 items-center gap-2 px-2 py-1.5 text-sm text-left cursor-pointer",
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level === 0 ? "font-medium" : "text-muted-foreground",
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isSelected && "text-accent-foreground font-medium"
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)}
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onClick={() => onSelect(chapter.id)}
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>
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{hasChildren ? (
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<Folder className={cn("h-4 w-4", open ? "text-primary" : "text-muted-foreground/70")} />
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) : (
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<FileText className="h-4 w-4 text-muted-foreground/50" />
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)}
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<span className="truncate flex-1 min-w-0">{chapter.title}</span>
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</button>
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</div>
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{hasChildren && open ? (
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<div className="pt-1">
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{chapter.children!.map((child) => (
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<ReaderChapterItem
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key={child.id}
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chapter={child}
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level={level + 1}
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selectedId={selectedId}
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onSelect={onSelect}
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/>
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))}
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</div>
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) : null}
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</div>
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)
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}
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export function TextbookReader({ chapters }: { chapters: Chapter[] }) {
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export function TextbookReader({ chapters, knowledgePoints = [], canEdit = false, textbookId }: { chapters: Chapter[]; knowledgePoints?: KnowledgePoint[]; canEdit?: boolean; textbookId?: string }) {
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const [chapterId, setChapterId] = useQueryState("chapterId", parseAsString.withDefault(""))
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const [activeTab, setActiveTab] = useState("chapters")
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const [highlightedKpId, setHighlightedKpId] = useState<string | null>(null)
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// Selection & Creation State
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const [selectedText, setSelectedText] = useState("")
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const selectionRef = useRef("") // Store selection temporarily to avoid re-renders on pointer down
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const [createDialogOpen, setCreateDialogOpen] = useState(false)
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const [isCreating, setIsCreating] = useState(false)
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const contentRef = useRef<HTMLDivElement>(null)
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// Editing State
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const [isEditing, setIsEditing] = useState(false)
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const [editContent, setEditContent] = useState("")
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const [isSaving, setIsSaving] = useState(false)
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// Knowledge Point Edit State
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const [editingKp, setEditingKp] = useState<KnowledgePoint | null>(null)
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const [editKpDialogOpen, setEditKpDialogOpen] = useState(false)
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const [isUpdatingKp, setIsUpdatingKp] = useState(false)
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// Question Creation State
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const [questionDialogOpen, setQuestionDialogOpen] = useState(false)
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const [targetKpForQuestion, setTargetKpForQuestion] = useState<KnowledgePoint | null>(null)
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const index = useMemo(() => buildChapterIndex(chapters), [chapters])
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const selected = chapterId ? index.get(chapterId) ?? null : null
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const selectedId = selected?.id ?? null
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const handleSelect = (id: string) => setChapterId(id)
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const handleSelect = (chapter: Chapter) => {
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setChapterId(chapter.id)
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setIsEditing(false)
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}
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// Handle Text Selection via Context Menu
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// We capture selection on PointerDown (Right Click) to ensure we get the state before any context menu logic runs.
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// Using onContextMenu directly caused conflicts with Radix UI's ContextMenuTrigger in some cases.
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const handleContentPointerDown = (e: React.PointerEvent) => {
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// Only capture on right click (button 2)
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if (e.button !== 2) return
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const selection = window.getSelection()
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if (!selection || selection.isCollapsed) {
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selectionRef.current = ""
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return
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}
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// Check if selection is within content area
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if (contentRef.current && contentRef.current.contains(selection.anchorNode)) {
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// Store in ref, don't trigger re-render yet
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selectionRef.current = selection.toString().trim()
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} else {
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selectionRef.current = ""
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}
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}
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const handleContextMenuChange = (open: boolean) => {
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if (!open) return
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// When menu opens, sync ref to state to update UI
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if (selectionRef.current) {
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setSelectedText(selectionRef.current)
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} else {
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// Fallback: If pointer down didn't capture (e.g. keyboard), try now
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const selection = window.getSelection()
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if (selection && !selection.isCollapsed && contentRef.current && contentRef.current.contains(selection.anchorNode)) {
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const text = selection.toString().trim()
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selectionRef.current = text
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setSelectedText(text)
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} else {
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setSelectedText("")
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}
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}
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}
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const handleCreateKnowledgePoint = async (formData: FormData) => {
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if (!selectedId || !selected) return
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setIsCreating(true)
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try {
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const result = await createKnowledgePointAction(
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selectedId,
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selected.textbookId,
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null,
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formData
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)
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if (result.success) {
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toast.success("知识点已创建")
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setCreateDialogOpen(false)
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setActiveTab("knowledge")
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// Clear selection
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window.getSelection()?.removeAllRanges()
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setSelectedText("")
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} else {
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toast.error(result.message || "创建知识点失败")
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}
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} catch {
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toast.error("发生错误")
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} finally {
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setIsCreating(false)
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}
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}
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const handleSaveContent = async () => {
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if (!selectedId || !textbookId) return
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setIsSaving(true)
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const result = await updateChapterContentAction(selectedId, editContent, textbookId)
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setIsSaving(false)
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if (result.success) {
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toast.success(result.message)
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setIsEditing(false)
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// Optimistic update might be tricky here without full reload, but let's assume parent revalidates or we rely on router refresh
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// For now, we manually update the local state if needed, but since we use `chapters` prop which comes from server,
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// we ideally want to trigger a refresh.
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// However, for this component, we can just let the user see the new content if we render `editContent` or rely on props update.
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// But `chapters` prop won't update automatically unless we router.refresh().
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// Let's rely on the fact that `selected` comes from `chapters` which might be stale until refresh.
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// A full solution would use `router.refresh()`.
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// For now, we can update the `selected.content` in place? No, it's a prop.
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// We will rely on router refresh in the parent or just simple UI feedback.
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// Actually, let's trigger a router refresh if possible, but we don't have router here.
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// We'll just exit edit mode. The content might look old until refresh.
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// To fix this, we can locally override content.
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if (selected) selected.content = editContent
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} else {
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toast.error(result.message)
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}
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}
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const startEditing = () => {
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if (selected) {
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setEditContent(selected.content || "")
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setIsEditing(true)
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}
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}
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const handleDeleteKnowledgePoint = async (kpId: string, e: React.MouseEvent) => {
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e.stopPropagation()
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if (!confirm("确定要删除这个知识点吗？")) return
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if (!textbookId) return
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try {
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const result = await deleteKnowledgePointAction(kpId, textbookId)
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if (result.success) {
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toast.success(result.message)
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if (highlightedKpId === kpId) {
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setHighlightedKpId(null)
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}
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} else {
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toast.error(result.message)
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}
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} catch {
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toast.error("删除失败")
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}
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}
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const handleUpdateKnowledgePoint = async (formData: FormData) => {
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if (!editingKp || !textbookId) return
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setIsUpdatingKp(true)
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try {
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const result = await updateKnowledgePointAction(editingKp.id, textbookId, null, formData)
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if (result.success) {
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toast.success(result.message)
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setEditKpDialogOpen(false)
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setEditingKp(null)
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} else {
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toast.error(result.message)
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}
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} catch {
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toast.error("更新失败")
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} finally {
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setIsUpdatingKp(false)
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}
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}
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// Filter KPs for the current chapter
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const currentChapterKPs = useMemo(() => {
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if (!selectedId) return []
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return knowledgePoints.filter(kp => kp.chapterId === selectedId)
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}, [knowledgePoints, selectedId])
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// Pre-process content to mark knowledge points
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const processedContent = useMemo(() => {
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if (!selected?.content) return ""
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let content = selected.content
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// Sort KPs by name length descending to handle overlapping names
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const sortedKPs = [...currentChapterKPs].sort((a, b) => b.name.length - a.name.length)
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// We use a temporary replacement strategy to avoid nested replacements
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// This is simple but works for most cases
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// We replace "Name" with "[Name](kp://id)"
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for (const kp of sortedKPs) {
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// Escape regex special characters
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const escapedName = kp.name.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
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// Case insensitive match, but preserve original text casing
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// We use a simplified lookahead to avoid replacing inside existing links if possible,
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// but perfect markdown parsing is hard with regex.
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// For now, we assume KPs don't overlap in a way that breaks things often.
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const regex = new RegExp(`(${escapedName})`, 'gi')
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// We only replace if not already part of a link (simplified check)
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// A robust parser would be better, but regex is acceptable for this level
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content = content.replace(regex, `[$1](#kp-${kp.id})`)
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}
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return content
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}, [selected?.content, currentChapterKPs])
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// Scroll to highlighted KP
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useEffect(() => {
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if (highlightedKpId) {
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// Find first element by data attribute
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const el = document.querySelector(`[data-kp-id="${highlightedKpId}"]`)
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if (el) {
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el.scrollIntoView({ behavior: "smooth", block: "center" })
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// Add temporary highlight effect
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el.classList.add("ring-2", "ring-primary", "ring-offset-2")
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setTimeout(() => {
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el.classList.remove("ring-2", "ring-primary", "ring-offset-2")
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}, 2000)
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}
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}
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}, [highlightedKpId])
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return (
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<div className="grid grid-cols-1 gap-6 lg:grid-cols-12 h-full">
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<div className="lg:col-span-4 lg:border-r lg:pr-6 flex flex-col min-h-0">
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<div className="flex items-center justify-between mb-4 px-2 shrink-0">
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<h3 className="font-semibold">Chapters</h3>
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</div>
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<ScrollArea className="flex-1 min-h-0 px-2">
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<div className="space-y-1">
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{chapters.map((chapter) => (
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<ReaderChapterItem
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key={chapter.id}
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chapter={chapter}
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selectedId={selectedId}
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onSelect={handleSelect}
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/>
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))}
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<Tabs value={activeTab} onValueChange={setActiveTab} className="flex flex-col h-full">
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<div className="flex items-center justify-between mb-4 px-2 shrink-0">
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<TabsList className="grid w-full grid-cols-2">
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<TabsTrigger value="chapters" className="gap-2">
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<List className="h-4 w-4" />
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章节目录
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</TabsTrigger>
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<TabsTrigger value="knowledge" className="gap-2" disabled={!selectedId}>
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<Tag className="h-4 w-4" />
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知识点
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{currentChapterKPs.length > 0 && (
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<Badge variant="secondary" className="ml-1 px-1 py-0 h-5 text-[10px]">{currentChapterKPs.length}</Badge>
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)}
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</TabsTrigger>
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</TabsList>
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</div>
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</ScrollArea>
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<TabsContent value="chapters" className="flex-1 min-h-0 mt-0">
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<ScrollArea className="flex-1 h-full px-2">
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<div className="space-y-1 pb-4">
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<ChapterSidebarList
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chapters={chapters}
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selectedChapterId={selectedId || undefined}
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onSelectChapter={handleSelect}
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textbookId={textbookId || ""}
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canEdit={canEdit}
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/>
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</div>
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</ScrollArea>
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</TabsContent>
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<TabsContent value="knowledge" className="flex-1 min-h-0 mt-0">
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{!selectedId ? (
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<div className="flex h-full items-center justify-center text-muted-foreground p-4 text-center text-sm">
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请选择一个章节查看知识点。
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</div>
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) : currentChapterKPs.length === 0 ? (
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<div className="flex h-full items-center justify-center text-muted-foreground p-4 text-center text-sm">
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该章节暂无知识点。
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</div>
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) : (
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<ScrollArea className="flex-1 h-full px-2">
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<div className="space-y-2 pb-4">
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{currentChapterKPs.map((kp) => (
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<div
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key={kp.id}
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className={cn(
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"p-3 rounded-lg border bg-card hover:bg-accent/50 transition-colors cursor-pointer",
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highlightedKpId === kp.id && "border-primary bg-primary/5"
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)}
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onClick={() => setHighlightedKpId(kp.id)}
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>
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<div className="flex items-start justify-between gap-2">
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<h4 className="text-sm font-medium leading-none">{kp.name}</h4>
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<div className="flex items-center gap-1">
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<Badge variant="outline" className="text-[10px] h-5 px-1">Lv.{kp.level}</Badge>
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{canEdit && (
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<div className="flex items-center gap-1 ml-1">
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<Button
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variant="ghost"
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||||
size="icon"
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||||
className="h-5 w-5 text-muted-foreground hover:text-foreground"
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onClick={(e) => {
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e.stopPropagation()
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setTargetKpForQuestion(kp)
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setQuestionDialogOpen(true)
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}}
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title="创建相关题目"
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>
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||||
<PlusCircle className="h-3 w-3" />
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</Button>
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||||
<Button
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||||
variant="ghost"
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||||
size="icon"
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||||
className="h-5 w-5 text-muted-foreground hover:text-foreground"
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||||
onClick={(e) => {
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e.stopPropagation()
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setEditingKp(kp)
|
||||
setEditKpDialogOpen(true)
|
||||
}}
|
||||
title="编辑知识点"
|
||||
>
|
||||
<Pencil className="h-3 w-3" />
|
||||
</Button>
|
||||
<Button
|
||||
variant="ghost"
|
||||
size="icon"
|
||||
className="h-5 w-5 text-muted-foreground hover:text-destructive"
|
||||
onClick={(e) => handleDeleteKnowledgePoint(kp.id, e)}
|
||||
title="删除知识点"
|
||||
>
|
||||
<Trash2 className="h-3 w-3" />
|
||||
</Button>
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
{kp.description && (
|
||||
<p className="mt-2 text-xs text-muted-foreground line-clamp-2">
|
||||
{kp.description}
|
||||
</p>
|
||||
)}
|
||||
</div>
|
||||
))}
|
||||
</div>
|
||||
</ScrollArea>
|
||||
)}
|
||||
</TabsContent>
|
||||
</Tabs>
|
||||
</div>
|
||||
|
||||
<div className="lg:col-span-8 flex flex-col min-h-0">
|
||||
<div className="lg:col-span-8 flex flex-col min-h-0 relative">
|
||||
<Dialog open={createDialogOpen} onOpenChange={setCreateDialogOpen}>
|
||||
<DialogContent>
|
||||
<DialogHeader>
|
||||
<DialogTitle>添加知识点</DialogTitle>
|
||||
<DialogDescription>
|
||||
从选中的文本创建知识点。
|
||||
</DialogDescription>
|
||||
</DialogHeader>
|
||||
<form action={handleCreateKnowledgePoint}>
|
||||
<div className="grid gap-4 py-4">
|
||||
<div className="grid gap-2">
|
||||
<Label htmlFor="name">名称</Label>
|
||||
<Input id="name" name="name" defaultValue={selectedText} required />
|
||||
</div>
|
||||
<div className="grid gap-2">
|
||||
<Label htmlFor="description">描述（可选）</Label>
|
||||
<Textarea id="description" name="description" placeholder="请输入描述..." />
|
||||
</div>
|
||||
</div>
|
||||
<DialogFooter>
|
||||
<Button type="button" variant="outline" onClick={() => setCreateDialogOpen(false)} disabled={isCreating}>
|
||||
取消
|
||||
</Button>
|
||||
<Button type="submit" disabled={isCreating}>
|
||||
{isCreating ? "创建中..." : "创建"}
|
||||
</Button>
|
||||
</DialogFooter>
|
||||
</form>
|
||||
</DialogContent>
|
||||
</Dialog>
|
||||
|
||||
<Dialog open={editKpDialogOpen} onOpenChange={setEditKpDialogOpen}>
|
||||
<DialogContent>
|
||||
<DialogHeader>
|
||||
<DialogTitle>编辑知识点</DialogTitle>
|
||||
<DialogDescription>
|
||||
修改知识点的名称和描述。
|
||||
</DialogDescription>
|
||||
</DialogHeader>
|
||||
<form action={handleUpdateKnowledgePoint}>
|
||||
<div className="grid gap-4 py-4">
|
||||
<div className="grid gap-2">
|
||||
<Label htmlFor="edit-name">显示名称</Label>
|
||||
<Input id="edit-name" name="name" defaultValue={editingKp?.name} required />
|
||||
</div>
|
||||
<div className="grid gap-2">
|
||||
<Label htmlFor="edit-description">描述（可选）</Label>
|
||||
<Textarea id="edit-description" name="description" defaultValue={editingKp?.description || ""} placeholder="请输入描述..." />
|
||||
</div>
|
||||
|
||||
<div className="space-y-2 border rounded-md p-3 bg-muted/20">
|
||||
<div className="flex items-center justify-between">
|
||||
<Label htmlFor="edit-anchorText" className="text-muted-foreground text-xs flex items-center gap-1">
|
||||
高级：关联文本 (影响文中高亮)
|
||||
</Label>
|
||||
</div>
|
||||
<div className="pt-2">
|
||||
<Input
|
||||
key={editingKp?.id} // Force re-render when kp changes
|
||||
id="edit-anchorText"
|
||||
name="anchorText"
|
||||
defaultValue={editingKp?.anchorText || editingKp?.name}
|
||||
className="text-sm font-mono"
|
||||
required
|
||||
/>
|
||||
<p className="text-[10px] text-muted-foreground mt-1">
|
||||
修改此字段会改变文中被高亮匹配的文字。通常保持与原文一致。
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<DialogFooter>
|
||||
<Button type="button" variant="outline" onClick={() => setEditKpDialogOpen(false)} disabled={isUpdatingKp}>
|
||||
取消
|
||||
</Button>
|
||||
<Button type="submit" disabled={isUpdatingKp}>
|
||||
{isUpdatingKp ? "保存中..." : "保存"}
|
||||
</Button>
|
||||
</DialogFooter>
|
||||
</form>
|
||||
</DialogContent>
|
||||
</Dialog>
|
||||
|
||||
<CreateQuestionDialog
|
||||
open={questionDialogOpen}
|
||||
onOpenChange={setQuestionDialogOpen}
|
||||
defaultKnowledgePointIds={targetKpForQuestion ? [targetKpForQuestion.id] : []}
|
||||
defaultContent={targetKpForQuestion ? `Please explain the knowledge point: ${targetKpForQuestion.name}` : ""}
|
||||
defaultType="text"
|
||||
/>
|
||||
|
||||
{selected ? (
|
||||
<>
|
||||
<div className="flex items-center justify-between mb-4 pb-2 border-b px-2 shrink-0">
|
||||
<h2 className="text-xl font-bold tracking-tight line-clamp-1">{selected.title}</h2>
|
||||
{canEdit && (
|
||||
<div className="flex gap-2">
|
||||
{isEditing ? (
|
||||
<>
|
||||
<Button size="sm" variant="ghost" onClick={() => setIsEditing(false)} disabled={isSaving}>
|
||||
取消
|
||||
</Button>
|
||||
<Button size="sm" onClick={handleSaveContent} disabled={isSaving}>
|
||||
<Save className="mr-2 h-4 w-4" />
|
||||
{isSaving ? "保存中..." : "保存"}
|
||||
</Button>
|
||||
</>
|
||||
) : (
|
||||
<Button size="sm" variant="outline" onClick={startEditing}>
|
||||
<Edit2 className="mr-2 h-4 w-4" />
|
||||
编辑内容
|
||||
</Button>
|
||||
)}
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
<ScrollArea className="flex-1 min-h-0 px-2">
|
||||
<div className="p-4 min-h-full">
|
||||
{selected.content ? (
|
||||
<div className="prose prose-sm dark:prose-invert max-w-none">
|
||||
<ReactMarkdown remarkPlugins={[remarkGfm, remarkBreaks]}>{selected.content}</ReactMarkdown>
|
||||
{isEditing ? (
|
||||
<div className="h-full">
|
||||
<RichTextEditor
|
||||
value={editContent}
|
||||
onChange={setEditContent}
|
||||
className="min-h-[500px] border-none shadow-none"
|
||||
/>
|
||||
</div>
|
||||
) : (
|
||||
<div className="text-muted-foreground italic py-8 text-center">No content available.</div>
|
||||
)}
|
||||
</div>
|
||||
) : (
|
||||
<ContextMenu onOpenChange={handleContextMenuChange}>
|
||||
<ContextMenuTrigger asChild>
|
||||
<div
|
||||
className="p-4 min-h-full"
|
||||
ref={contentRef}
|
||||
onPointerDown={handleContentPointerDown}
|
||||
>
|
||||
{selected.content ? (
|
||||
<div className="prose prose-sm dark:prose-invert max-w-none">
|
||||
<ReactMarkdown
|
||||
remarkPlugins={[remarkGfm, remarkBreaks]}
|
||||
components={{
|
||||
a: ({ href, children, ...props }) => {
|
||||
if (href?.startsWith("#kp-")) {
|
||||
const id = href.replace("#kp-", "")
|
||||
const isHighlighted = highlightedKpId === id
|
||||
return (
|
||||
<span
|
||||
data-kp-id={id}
|
||||
className={cn(
|
||||
"font-medium text-primary cursor-pointer hover:underline decoration-dashed underline-offset-4 transition-all duration-300",
|
||||
isHighlighted && "bg-yellow-300 dark:bg-yellow-600 text-black dark:text-white rounded px-1 py-0.5 shadow-sm scale-110 inline-block mx-0.5 font-bold ring-2 ring-yellow-400/50 dark:ring-yellow-500/50"
|
||||
)}
|
||||
onClick={(e) => {
|
||||
e.preventDefault()
|
||||
setHighlightedKpId(id)
|
||||
setActiveTab("knowledge")
|
||||
}}
|
||||
title="点击查看知识点详情"
|
||||
>
|
||||
{children}
|
||||
</span>
|
||||
)
|
||||
}
|
||||
return <a href={href} {...props}>{children}</a>
|
||||
}
|
||||
}}
|
||||
>
|
||||
{processedContent}
|
||||
</ReactMarkdown>
|
||||
</div>
|
||||
) : (
|
||||
<div className="text-muted-foreground italic py-8 text-center">暂无内容</div>
|
||||
)}
|
||||
</div>
|
||||
</ContextMenuTrigger>
|
||||
<ContextMenuContent>
|
||||
<ContextMenuItem
|
||||
disabled={!selectedText}
|
||||
onClick={() => setCreateDialogOpen(true)}
|
||||
>
|
||||
<Plus className="mr-2 h-4 w-4" />
|
||||
添加知识点
|
||||
</ContextMenuItem>
|
||||
</ContextMenuContent>
|
||||
</ContextMenu>
|
||||
)}
|
||||
</ScrollArea>
|
||||
</>
|
||||
) : (
|
||||
<div className="flex-1 flex items-center justify-center text-muted-foreground px-2">
|
||||
Select a chapter to start reading.
|
||||
请选择一个章节开始阅读。
|
||||
</div>
|
||||
)}
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user