[verified] Add exam template setup canvas

This commit is contained in:
2026-06-07 01:27:44 +01:00
parent f067db3eb8
commit dea3275f23
8 changed files with 553 additions and 1 deletions
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export { default as ExamDashboardPage } from './ExamDashboardPage';
export { default as ExamTemplateSetupPage } from './setup/ExamTemplateSetupPage';
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import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
import { useNavigate, useParams } from 'react-router-dom'
import { Alert, Box, Button, Chip, CircularProgress, Divider, Paper, Snackbar, Stack, Tooltip, Typography, useTheme } from '@mui/material'
import ArrowBackIcon from '@mui/icons-material/ArrowBack'
import SaveIcon from '@mui/icons-material/Save'
import MouseIcon from '@mui/icons-material/Mouse'
import '@tldraw/tldraw/tldraw.css'
import { Editor, Tldraw, createShapeId, defaultBindingUtils, TLShape } from '@tldraw/tldraw'
import axios from 'axios'
import { ErrorBoundary } from '../../../components/ErrorBoundary'
import { logger } from '../../../debugConfig'
import { examRepository } from '../../../services/exam/examRepository'
import type { ExamTemplateDetail } from '../../../types/exam.types'
import { ExamCanvasShapeModel, PAGE_HEIGHT, PAGE_WIDTH, isUuid, newDomainId, serializeCanvasShapes, shapesFromTemplate } from '../../../utils/exam-canvas/model'
import { examCanvasShapeUtils, examCanvasTools, ExamCanvasTLShape, SHAPE_TYPES, shapeTypeToKind } from './examCanvasShapes'
const TOOLS = [
{ id: 'select', label: 'Select', tip: 'Move, resize, or delete shapes.', color: 'default' as const },
{ id: SHAPE_TYPES.boundary, label: 'Boundary', tip: 'Draw one horizontal line. A main question is saved from each top+bottom pair.', color: 'error' as const },
{ id: SHAPE_TYPES.part, label: 'Part', tip: 'Draw the markable sub-question box inside a boundary pair.', color: 'warning' as const },
{ id: SHAPE_TYPES.response, label: 'Response', tip: 'Draw around where the student writes; saved with response_form=lines.', color: 'primary' as const },
{ id: SHAPE_TYPES.context, label: 'Context', tip: 'Draw around stimulus/context material; saved with context_type=generic.', color: 'secondary' as const },
{ id: SHAPE_TYPES.question_number, label: 'Q Number', tip: 'Box the printed question number.', color: 'success' as const },
{ id: SHAPE_TYPES.mark_area, label: 'Mark Area', tip: 'Box printed marks such as [2].', color: 'success' as const },
{ id: SHAPE_TYPES.reference, label: 'Reference', tip: 'Box student resources/reference material.', color: 'info' as const },
{ id: SHAPE_TYPES.furniture, label: 'Furniture', tip: 'Mark margins/page numbers/ignored decoration.', color: 'default' as const },
]
function apiMessage(err: unknown): { message: string; conflict: boolean } {
if (axios.isAxiosError(err)) {
const detail = (err.response?.data as { detail?: string } | undefined)?.detail
if (err.response?.status === 409) return { conflict: true, message: detail ?? 'Template has recorded marks; structural full-replace is blocked.' }
return { conflict: false, message: detail ?? err.message }
}
return { conflict: false, message: err instanceof Error ? err.message : String(err) }
}
function stripShapePrefix(id: string) {
return id.startsWith('shape:') ? id.slice('shape:'.length) : id
}
function domainIdForShape(shape: ExamCanvasTLShape): string {
const fromProps = shape.props.domainId
if (isUuid(fromProps)) return fromProps
const fromShapeId = stripShapePrefix(shape.id)
return isUuid(fromShapeId) ? fromShapeId : newDomainId()
}
function ensureDomainIds(editor: Editor) {
const updates = editor.getCurrentPageShapes()
.filter((shape): shape is ExamCanvasTLShape => !!shapeTypeToKind(shape.type))
.filter((shape) => !isUuid(shape.props.domainId))
.map((shape) => ({ id: shape.id, type: shape.type, props: { domainId: domainIdForShape(shape) } }))
if (updates.length) editor.updateShapes(updates)
}
function modelFromTLShape(shape: TLShape): ExamCanvasShapeModel | null {
const kind = shapeTypeToKind(shape.type)
if (!kind) return null
const s = shape as ExamCanvasTLShape
return {
id: domainIdForShape(s),
kind,
x: Number(s.x ?? 0),
y: Number(s.y ?? 0),
w: Number(s.props.w ?? 1),
h: Number(s.props.h ?? 1),
label: s.props.label,
maxMarks: s.props.maxMarks,
responseForm: s.props.responseForm as ExamCanvasShapeModel['responseForm'],
contextType: s.props.contextType,
questionId: s.props.questionId ?? null,
}
}
function loadShapes(editor: Editor, models: ExamCanvasShapeModel[]) {
const existing = editor.getCurrentPageShapes().filter((s) => shapeTypeToKind(s.type)).map((s) => s.id)
if (existing.length) editor.deleteShapes(existing)
if (!models.length) return
editor.createShapes(models.map((m) => ({
id: createShapeId(m.id),
type: SHAPE_TYPES[m.kind],
x: m.x,
y: m.y,
props: { w: m.w, h: m.h, label: m.label ?? m.kind, kind: m.kind, maxMarks: m.maxMarks, responseForm: m.responseForm, contextType: m.contextType, questionId: m.questionId, domainId: m.id },
})))
}
function seedGuide(editor: Editor) {
const current = editor.getCurrentPageShapes().filter((s) => shapeTypeToKind(s.type))
if (current.length) return
editor.createShapes([
{ id: createShapeId(newDomainId()), type: SHAPE_TYPES.boundary, x: 48, y: 120, props: { w: PAGE_WIDTH - 96, h: 8, kind: 'boundary', label: 'Q1 start', domainId: newDomainId() } },
{ id: createShapeId(newDomainId()), type: SHAPE_TYPES.boundary, x: 48, y: 520, props: { w: PAGE_WIDTH - 96, h: 8, kind: 'boundary', label: 'Q1 end', domainId: newDomainId() } },
{ id: createShapeId(newDomainId()), type: SHAPE_TYPES.part, x: 92, y: 180, props: { w: 520, h: 150, kind: 'part', label: 'Q1(a)', maxMarks: 3, domainId: newDomainId() } },
{ id: createShapeId(newDomainId()), type: SHAPE_TYPES.response, x: 116, y: 355, props: { w: 470, h: 120, kind: 'response', label: 'Response', responseForm: 'lines', domainId: newDomainId() } },
])
}
const ExamTemplateSetupInner: React.FC = () => {
const { templateId } = useParams<{ templateId: string }>()
const navigate = useNavigate()
const theme = useTheme()
const editorRef = useRef<Editor | null>(null)
const [template, setTemplate] = useState<ExamTemplateDetail | null>(null)
const [loading, setLoading] = useState(true)
const [saving, setSaving] = useState(false)
const [dirty, setDirty] = useState(false)
const [error, setError] = useState<string | null>(null)
const [conflict, setConflict] = useState<string | null>(null)
const [activeTool, setActiveTool] = useState('select')
const load = useCallback(async () => {
if (!templateId) return
setLoading(true); setError(null); setConflict(null)
try {
const detail = await examRepository.getTemplate(templateId)
setTemplate(detail)
const editor = editorRef.current
if (editor) loadShapes(editor, shapesFromTemplate(detail))
setDirty(false)
} catch (e) {
const msg = apiMessage(e).message
logger.warn('cc-exam-marker', 'Template setup load failed', { templateId, message: msg })
setError(msg)
} finally {
setLoading(false)
}
}, [templateId])
useEffect(() => { void load() }, [load])
const save = useCallback(async () => {
const editor = editorRef.current
if (!editor || !templateId || !template) return
setSaving(true); setError(null); setConflict(null)
try {
ensureDomainIds(editor)
const shapes = editor.getCurrentPageShapes().map(modelFromTLShape).filter(Boolean) as ExamCanvasShapeModel[]
const payload = serializeCanvasShapes(template, shapes)
const saved = await examRepository.replaceTemplate(templateId, payload)
setTemplate(saved)
loadShapes(editor, shapesFromTemplate(saved))
setDirty(false)
} catch (e) {
const msg = apiMessage(e)
if (msg.conflict) setConflict(msg.message); else setError(msg.message)
logger.warn('cc-exam-marker', 'Template setup save failed', { templateId, message: msg.message })
} finally {
setSaving(false)
}
}, [template, templateId])
const toolButtons = useMemo(() => TOOLS.map((tool) => (
<Tooltip title={tool.tip} key={tool.id} placement="right">
<Button
size="small"
variant={activeTool === tool.id ? 'contained' : 'outlined'}
color={tool.color}
startIcon={tool.id === 'select' ? <MouseIcon fontSize="small" /> : undefined}
onClick={() => {
const editor = editorRef.current
if (!editor) return
editor.setCurrentTool(tool.id === 'select' ? 'select' : tool.id)
setActiveTool(tool.id)
}}
sx={{ justifyContent: 'flex-start', minWidth: 126 }}
>
{tool.label}
</Button>
</Tooltip>
)), [activeTool])
return (
<Box sx={{ position: 'fixed', inset: 0, zIndex: (t) => t.zIndex.drawer + 20, bgcolor: 'background.default' }}>
<Box sx={{ position: 'absolute', inset: 0, '& .tlui-layout': { display: 'none' } }} data-testid="exam-template-setup-canvas">
<Tldraw
shapeUtils={examCanvasShapeUtils as any}
bindingUtils={defaultBindingUtils}
tools={examCanvasTools as any}
hideUi
inferDarkMode={theme.palette.mode === 'dark'}
autoFocus
onMount={(editor) => {
editorRef.current = editor
editor.user.updateUserPreferences({ isDarkMode: theme.palette.mode === 'dark' })
editor.store.listen(() => setDirty(true), { scope: 'document' })
if (template) loadShapes(editor, shapesFromTemplate(template)); else seedGuide(editor)
}}
/>
</Box>
<Paper elevation={8} sx={{ position: 'absolute', top: 12, left: 12, right: 12, px: 2, py: 1.25, display: 'flex', alignItems: 'center', gap: 1.5, borderRadius: 3, bgcolor: 'background.paper' }}>
<Button startIcon={<ArrowBackIcon />} onClick={() => navigate('/exam-marker')} size="small">Back</Button>
<Divider orientation="vertical" flexItem />
<Box sx={{ minWidth: 0, flex: 1 }}>
<Typography variant="subtitle1" noWrap>{template?.title ?? 'Template setup'}</Typography>
<Typography variant="caption" color="text.secondary">Exam Marker Setup · draw boundaries, part boxes, and regions; Save persists a full replace.</Typography>
</Box>
<Chip size="small" color={dirty ? 'warning' : 'success'} label={dirty ? 'Unsaved' : 'Saved'} />
<Button variant="contained" startIcon={saving ? <CircularProgress size={16} color="inherit" /> : <SaveIcon />} onClick={save} disabled={saving || loading || !template}>Save</Button>
</Paper>
<Paper elevation={8} sx={{ position: 'absolute', top: 92, left: 12, p: 1.25, borderRadius: 3, bgcolor: 'background.paper' }}>
<Stack spacing={1}>{toolButtons}</Stack>
</Paper>
<Paper elevation={4} sx={{ position: 'absolute', right: 16, bottom: 16, maxWidth: 420, p: 2, borderRadius: 3, bgcolor: 'background.paper' }}>
<Typography variant="subtitle2" gutterBottom>Setup guide</Typography>
<Typography variant="body2" color="text.secondary">
1) Draw top and bottom Boundary lines for each main question. 2) Draw Part boxes inside the pair. 3) Draw Response/Context/metadata regions inside a Part. Save derives parent links by spatial containment and reloads from the API.
</Typography>
</Paper>
{loading && <Box sx={{ position: 'absolute', inset: 0, display: 'grid', placeItems: 'center', bgcolor: 'rgba(15,23,42,.18)' }}><CircularProgress /></Box>}
{conflict && <Alert severity="warning" sx={{ position: 'absolute', top: 86, right: 16, maxWidth: 560 }} onClose={() => setConflict(null)}>{conflict}</Alert>}
<Snackbar open={!!error} autoHideDuration={8000} onClose={() => setError(null)}><Alert severity="error" onClose={() => setError(null)}>{error}</Alert></Snackbar>
</Box>
)
}
const ExamTemplateSetupPage: React.FC = () => (
<ErrorBoundary fallback={<Box sx={{ p: 4 }}><Alert severity="error">Template setup canvas crashed. Reload the page and try again.</Alert></Box>}>
<ExamTemplateSetupInner />
</ErrorBoundary>
)
export default ExamTemplateSetupPage
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import React from 'react'
import { BaseBoxShapeTool, BaseBoxShapeUtil, HTMLContainer, T, TLBaseBoxShape, toDomPrecision } from '@tldraw/tldraw'
import type { ExamCanvasRegionKind, ExamCanvasShapeKind } from '../../../utils/exam-canvas/model'
export const SHAPE_TYPES = {
boundary: 'exam-boundary',
part: 'exam-part',
response: 'exam-region-response',
context: 'exam-region-context',
question_number: 'exam-region-question-number',
mark_area: 'exam-region-mark-area',
reference: 'exam-region-reference',
furniture: 'exam-region-furniture',
} as const
export type ExamCanvasTLShape = TLBaseBoxShape & {
type: typeof SHAPE_TYPES[keyof typeof SHAPE_TYPES]
props: {
w: number
h: number
label: string
kind: ExamCanvasShapeKind
maxMarks?: number
responseForm?: string
contextType?: string
questionId?: string | null
domainId?: string
}
}
const palette: Record<ExamCanvasShapeKind, { stroke: string; fill: string; dash?: string; label: string }> = {
boundary: { stroke: '#ef4444', fill: 'rgba(239,68,68,0.06)', dash: '8 6', label: 'Boundary' },
part: { stroke: '#f59e0b', fill: 'rgba(245,158,11,0.16)', label: 'Part' },
response: { stroke: '#2563eb', fill: 'rgba(37,99,235,0.16)', label: 'Response' },
context: { stroke: '#7c3aed', fill: 'rgba(124,58,237,0.14)', dash: '6 5', label: 'Context' },
question_number: { stroke: '#0f766e', fill: 'rgba(15,118,110,0.14)', label: 'Question #' },
mark_area: { stroke: '#16a34a', fill: 'rgba(22,163,74,0.14)', label: 'Marks' },
reference: { stroke: '#0891b2', fill: 'rgba(8,145,178,0.14)', label: 'Reference' },
furniture: { stroke: '#64748b', fill: 'rgba(100,116,139,0.12)', dash: '3 5', label: 'Furniture' },
}
function renderShape(shape: ExamCanvasTLShape) {
const kind = shape.props.kind
const p = palette[kind] ?? palette.response
const isBoundary = kind === 'boundary'
return (
<HTMLContainer id={shape.id} style={{ width: toDomPrecision(shape.props.w), height: toDomPrecision(shape.props.h), pointerEvents: 'all' }}>
<div style={{
width: '100%', height: '100%', boxSizing: 'border-box', border: `${isBoundary ? 2 : 1.5}px solid ${p.stroke}`,
borderStyle: p.dash ? 'dashed' : 'solid', borderRadius: isBoundary ? 999 : 10,
background: isBoundary ? 'transparent' : p.fill, color: p.stroke, fontFamily: 'Inter, system-ui, sans-serif',
display: 'flex', alignItems: isBoundary ? 'center' : 'flex-start', justifyContent: isBoundary ? 'center' : 'space-between',
padding: isBoundary ? '0 8px' : 8, boxShadow: isBoundary ? 'none' : '0 10px 22px rgba(15,23,42,0.08)', overflow: 'hidden'
}}>
<span style={{ fontSize: 12, fontWeight: 800, textTransform: 'uppercase', letterSpacing: 0.6, background: 'rgba(255,255,255,0.84)', borderRadius: 999, padding: '2px 7px' }}>
{shape.props.label || p.label}
</span>
{!isBoundary && shape.props.questionId && <span style={{ fontSize: 11, fontWeight: 700, opacity: .75 }}>Attached</span>}
</div>
</HTMLContainer>
)
}
function defaultProps(kind: ExamCanvasShapeKind, w: number, h: number) {
const p = palette[kind]
return { w, h, label: p.label, kind, responseForm: kind === 'response' ? 'lines' : undefined, contextType: kind === 'context' ? 'generic' : undefined }
}
class BoundaryUtil extends BaseBoxShapeUtil<ExamCanvasTLShape> { static override type = SHAPE_TYPES.boundary; static override props = { w: T.number, h: T.number, label: T.string, kind: T.string, maxMarks: T.optional(T.number), responseForm: T.optional(T.string), contextType: T.optional(T.string), questionId: T.optional(T.string), domainId: T.optional(T.string) }; override getDefaultProps(){ return defaultProps('boundary', 680, 8) }; override component(shape: ExamCanvasTLShape){ return renderShape(shape) } }
class PartUtil extends BaseBoxShapeUtil<ExamCanvasTLShape> { static override type = SHAPE_TYPES.part; static override props = BoundaryUtil.props; override getDefaultProps(){ return defaultProps('part', 420, 170) }; override component(shape: ExamCanvasTLShape){ return renderShape(shape) } }
function regionUtil(type: string, kind: ExamCanvasRegionKind, w = 360, h = 120) { return class extends BaseBoxShapeUtil<ExamCanvasTLShape> { static override type = type; static override props = BoundaryUtil.props; override getDefaultProps(){ return defaultProps(kind, w, h) }; override component(shape: ExamCanvasTLShape){ return renderShape(shape) } } }
class BoundaryTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.boundary; static override initial = 'pointing'; shapeType = SHAPE_TYPES.boundary }
class PartTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.part; static override initial = 'pointing'; shapeType = SHAPE_TYPES.part }
class ResponseTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.response; static override initial = 'pointing'; shapeType = SHAPE_TYPES.response }
class ContextTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.context; static override initial = 'pointing'; shapeType = SHAPE_TYPES.context }
class QuestionNumberTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.question_number; static override initial = 'pointing'; shapeType = SHAPE_TYPES.question_number }
class MarkAreaTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.mark_area; static override initial = 'pointing'; shapeType = SHAPE_TYPES.mark_area }
class ReferenceTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.reference; static override initial = 'pointing'; shapeType = SHAPE_TYPES.reference }
class FurnitureTool extends BaseBoxShapeTool { static override id = SHAPE_TYPES.furniture; static override initial = 'pointing'; shapeType = SHAPE_TYPES.furniture }
export const examCanvasShapeUtils = [BoundaryUtil, PartUtil, regionUtil(SHAPE_TYPES.response, 'response'), regionUtil(SHAPE_TYPES.context, 'context'), regionUtil(SHAPE_TYPES.question_number, 'question_number', 170, 80), regionUtil(SHAPE_TYPES.mark_area, 'mark_area', 170, 80), regionUtil(SHAPE_TYPES.reference, 'reference'), regionUtil(SHAPE_TYPES.furniture, 'furniture')] as const
export const examCanvasTools = [BoundaryTool, PartTool, ResponseTool, ContextTool, QuestionNumberTool, MarkAreaTool, ReferenceTool, FurnitureTool] as const
export function shapeTypeToKind(type: string): ExamCanvasShapeKind | null {
const entry = Object.entries(SHAPE_TYPES).find(([, v]) => v === type)
return (entry?.[0] as ExamCanvasShapeKind | undefined) ?? null
}