依赖方向原来是反的:顶栏、登录框、举手列表这些 shared 组件从 oj/ 里拿东西。 - 跨端的接口挪进 shared/api.ts(按 apps/web/CLAUDE.md 的分法):学生端题目列表、 出题人列表、这节课的题、待弹的成就 - 这节课的 store → shared/store/lesson.ts;头像 RankAvatar → shared/components - 纯函数挪进 utils/:举手列表的错法归类 errorKind、它依赖的答案错误分类 wrongAnswer 和 Python 报错翻译 pythonError、题目列表行的 toProblemRow - 只有后台在用的出题人下拉 AuthorSelect 挪回 admin/components 纯搬家。首页、题目列表、题目页、排名、课堂看板、后台题目列表打开无报错, 顶栏题号框敲 1001 回车直达题目页。 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
251 lines
11 KiB
Vue
251 lines
11 KiB
Vue
<script lang="ts" setup>
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import { storeToRefs } from "pinia"
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import { useCodeStore } from "oj/store/code"
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import { useProblemStore } from "oj/store/problem"
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import { useCollabStore } from "shared/store/collab"
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import { SOURCES } from "utils/constants"
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import SyncCodeEditor from "shared/components/SyncCodeEditor.vue"
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import { useBreakpoints } from "shared/composables/breakpoints"
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import storage from "utils/storage"
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import type { LANGUAGE } from "utils/types"
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import { beginEditTrace, editTraceExtensions } from "oj/problem/utils/editTrace"
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import { errorMarkExtensions } from "oj/problem/utils/errorMark"
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import { editorFocusTracker } from "oj/problem/utils/symbolKeys"
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import { hangWrapExtensions } from "shared/extensions/hangIndent"
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import EditorToolbar from "./EditorToolbar.vue"
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import { useDraftKey } from "../composables/draftKey"
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import { useCollabHere, useTeacherCollab } from "../composables/teacherCollab"
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import { useProblemPageContext } from "../composables/problemPageContext"
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import CollabBar from "./CollabBar.vue"
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import { useFlowchartStore } from "oj/store/flowchart"
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import { useLessonStore } from "shared/store/lesson"
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const FlowchartEditor = defineAsyncComponent(
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() => import("shared/components/FlowchartEditor/index.vue"),
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)
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const route = useRoute()
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const flowchartEditorRef = useTemplateRef("flowchartEditorRef")
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const codeStore = useCodeStore()
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const problemStore = useProblemStore()
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const collabStore = useCollabStore()
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const { problem } = storeToRefs(problemStore)
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const ctx = useProblemPageContext()
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/**
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* 课堂求助的协作就开在这道题上。
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*
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* 教师端原来是一个独立的弹框(CollabModal,里面第二个 CodeMirror),现在接单
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* 直接跳到题目页、就在页面这一个编辑器里协作 —— 顺带治好了「按一下 Esc 弹框就关、
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* 协作跟着结束」:页面上没有弹框可关,结束协作只有工具栏那个按钮和离开这一页两条路。
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*/
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const collabHere = useCollabHere()
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/** 协作中的教师:编辑器里是学生的代码,不是他自己的 */
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const teacherCollab = useTeacherCollab()
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/** 教师接单前自己选的语言,协作结束后连同草稿一起还原 */
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let teacherLanguageBefore: LANGUAGE | null = null
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/**
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* 协作中**教师的语言选择跟着学生走**(选择器同时禁用,见 EditorToolbar.vue),学生中途切了
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* 还会再同步一次。
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*
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* 写的是 codeStore 而不是只改编辑器的高亮:提交、语法检查、去自测猫读的都是
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* `codeStore.code.language` —— 只改高亮的话,老师会拿着自己那档语言提交学生的代码
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* (学生写 C、老师选的是 Python,当场 CE),工具栏还可能显示「提交流程图」。
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*
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* 直接写 store 不会连带重载模板代码:那是 EditorToolbar 里选择器的 `update:value` 才做的事。
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*
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* **学生端一个字都不动**(早退出),他的语言本来就是权威那一份 —— 服务端的
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* `room_language` 只发给教师,学生本地那份 `room.language` 停在建房那一刻,
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* 拿它当依据的话学生一切语言就卡在旧的那套上。
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*
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* `immediate` 是必须的:老师从别的题跳过来时,房间早就开着了,非立即的 watch
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* 在挂载这一轮压根不会触发。
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*/
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watch(
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() => [collabHere.value, collabStore.room?.language] as const,
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([here, language], previous) => {
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if (!collabStore.isTeacher) return
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const wasHere = previous?.[0] ?? false
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if (here && language) {
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if (!wasHere) teacherLanguageBefore = codeStore.code.language
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if (codeStore.code.language !== language) codeStore.code.language = language
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return
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}
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if (!here && wasHere) {
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if (teacherLanguageBefore) codeStore.code.language = teacherLanguageBefore
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teacherLanguageBefore = null
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// 草稿也读回来。上面那道 persistCode 的闸保证了 storage 里还是老师自己的代码
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loadCode()
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}
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},
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{ immediate: true },
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)
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const { isDesktop } = useBreakpoints()
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// 拼一次、留同一个数组:每次渲染新建会让编辑器反复重配扩展。
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// 手机上另加折行(20px 一行只放得下二十来个字,长行看不见右半截)
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const desktopExtensions = [...editTraceExtensions, ...errorMarkExtensions, editorFocusTracker]
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const mobileExtensions = [...desktopExtensions, ...hangWrapExtensions]
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const editorExtensions = computed(() => (isDesktop.value ? desktopExtensions : mobileExtensions))
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const contestID = route.params.contestID || null
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// 草稿存在哪个键下(题单入口单独一份),和「重置代码」共用一份算法
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const storageKey = useDraftKey()
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// 桌面:顶栏 56 + 工具栏 48,协作条再占 40(两栏顶满内容区,见 detail.vue 的 problem-split)。
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// 手机:顶栏两行 + 课堂条 + 页签 + 工具栏约 236px,底部还有「运行例子 / 提交」那条约 64px
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const editorHeight = computed(() => {
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const base = isDesktop.value ? 104 : 300
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return `calc(100vh - ${base + (teacherCollab.value ? 40 : 0)}px)`
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})
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function loadCode() {
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codeStore.code.language = problemStore.supportedLanguage(codeStore.code.language)
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const savedCode = storage.get(storageKey.value)
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codeStore.setCode(
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savedCode ||
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problem.value!.template[codeStore.code.language] ||
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SOURCES[codeStore.code.language],
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)
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// 换了题才重新计数,同一道题重复 loadCode(协作结束读回草稿)是接着记
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beginEditTrace(`problem_${problem.value!._id}_contest_${contestID}`, codeStore.code.value.length)
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}
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onMounted(loadCode)
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watch(() => problem.value?._id, loadCode)
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/**
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* 流程图草稿:每道题一份;题单入口单独一份 —— 加入题单之前在题库里画到 A 的那张,不能一进
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* 题单就摆在画布上(设计文档第 11 节 3,和代码草稿同理)。
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* 键名带 v2:2026-10 之前的草稿是 vue-flow 的格式,读不了,也不去覆盖它
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*/
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const flowchartDraftKey = computed(() => {
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const id = problem.value?._id
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if (!id) return "flowchart-v2"
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const base = `flowchart-v2-problem-${id}`
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const problemSetId = route.params.problemSetId
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return problemSetId ? `${base}-problemset-${problemSetId}` : base
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})
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/**
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* 存本地草稿。**协作中的教师不存** —— 那会儿编辑器里是学生的代码,存下去就把
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* 老师自己在这道题上的草稿盖掉了(他可能正开着自己的解法)。学生照存,那是他本人的。
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*/
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const persistCode = (v: string) => {
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if (teacherCollab.value) return
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storage.set(storageKey.value, v)
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}
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watch(() => codeStore.code.value, persistCode)
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const changeCode = persistCode
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const changeLanguage = (v: LANGUAGE) => {
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const savedCode = storage.get(storageKey.value)
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codeStore.setCode(
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savedCode && storageKey.value.split("_").pop() === v
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? savedCode
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: problem.value!.template[codeStore.code.language] || SOURCES[codeStore.code.language],
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)
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}
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/**
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* 换语言的请求:工具栏的「写代码 / 画流程图」、结果页签里的「照着它写代码」。
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* 和语言下拉走同一条路(存语言偏好 → 读那门语言的草稿)。
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*/
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watch(
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() => problemStore.languageRequest,
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(language) => {
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if (!language) return
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problemStore.languageRequest = null
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if (language === codeStore.code.language) return
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codeStore.setLanguage(language)
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changeLanguage(language)
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},
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)
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/**
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* 老师在课堂看板布置这节课时选了语言:打开这节课的题,编辑器默认就用它。学 C 的班,
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* 编辑器停在默认的 Python(或者上一个用这台电脑的人留下的偏好)的话,学生交上去才发现
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* 不算数。课堂条只在题库入口出现,这里同一个范围。
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*
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* 每道题只自动换一次:学生自己再切回别的语言,就按他的来。课堂状态可能比题面晚到
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* (课堂条进页面才去拉),所以两边都等到了再判断;画着流程图时不动他。
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*/
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const lessonStore = useLessonStore()
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let lessonLanguageFor: string | null = null
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watch(
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() => [problem.value?._id, lessonStore.activity] as const,
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([id, activity]) => {
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if (!id || !activity || lessonLanguageFor === id) return
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lessonLanguageFor = id
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const language = activity.language
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if (!language || ctx.value.entry !== "problem" || teacherCollab.value) return
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if (!lessonStore.includes(id) || !problemStore.codeLanguages.includes(language)) return
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if (codeStore.code.language === language || codeStore.code.language === "Flowchart") return
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problemStore.switchLanguage(language)
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},
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{ immediate: true },
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)
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/**
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* 画着流程图时忽然不让画了:工具栏的「写代码 / 画流程图」和语言下拉都跟着 canDraw 藏起来,
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* 编辑器要是还停在画布上,学生就回不去写代码了。拖窄到手机宽度时页面会换一套布局、编辑器
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* 重新挂载,loadCode 自己会把语言改掉;但同一道题重新拉题面(登录后补拉)时老师刚好关掉了
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* 流程图,编辑器不重挂,只能靠这里。和工具栏的「写代码」走同一条路,回到他习惯的那门语言
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*/
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watch(
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() => problemStore.canDraw,
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(canDraw) => {
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if (canDraw || codeStore.code.language !== "Flowchart") return
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problemStore.switchLanguage(problemStore.supportedLanguage(codeStore.preferredLanguage()))
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},
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)
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// 流程图编辑器交给 store:结果页签(在左栏,不在编辑器底下)要拿当前画布比一比、
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// 把旧版本载回去;「交给 AI 点评」在手机上挂在屏幕底部那条,也从 store 拿
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const flowchartStore = useFlowchartStore()
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watch(flowchartEditorRef, (editor) => flowchartStore.attachEditor(editor ?? null), {
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immediate: true,
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})
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onBeforeUnmount(() => flowchartStore.attachEditor(null))
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</script>
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<template>
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<div class="problem-editor">
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<CollabBar v-if="teacherCollab" />
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<EditorToolbar @change-language="changeLanguage" />
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<!--
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协作中教师这边不会落到流程图分支:上面那个 watch 已经把他的语言换成了学生的,
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而求助入口本身就排掉了流程图(EditorToolbar.vue 的 showHelpButton、服务端的
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COLLAB_LANGUAGES),所以 room.language 不可能是 Flowchart。
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学生自己切到流程图就是不写代码了,编辑器卸载、协作正常结束(SyncCodeEditor
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的 detach),这是原来就有的语义。
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-->
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<FlowchartEditor
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v-if="codeStore.code.language === 'Flowchart'"
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ref="flowchartEditorRef"
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:height="editorHeight"
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:draft-key="flowchartDraftKey"
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/>
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<SyncCodeEditor
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v-else
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v-model:value="codeStore.code.value"
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:language="codeStore.code.language"
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:problem-id="problem!._id"
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:collab="ctx.collab"
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:sql-tables="problem?.sqlDisplay?.tables"
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:height="editorHeight"
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:extra-extensions="editorExtensions"
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:font-size="isDesktop ? 20 : 15"
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@update:model-value="changeCode"
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/>
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</div>
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</template>
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