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import "./EmbeddedMultipleChoiceEditor.scss";
import {
Alert,
Box,
Button,
Card,
CardContent,
Chip,
Collapse,
IconButton,
LinearProgress,
Paper,
Stack,
Tooltip,
Typography,
} from "@mui/material";
import { useTheme } from "@mui/material/styles";
import ReadOnlyMathEditor from "@/utils/components/TinyMCETextEditorReadOnly";
import UnsavedChangesDialog from "@/utils/components/UnsavedChangesDialog";
import tinyMCEUtility from "@/utils/helpers/tinyMCEUtility";
import { sanitizeRichText } from "@/utils/helpers/sanitizeHtml";
import EmbeddedChoicePassage from "@/utils/components/question-bank/question-display/embedded-multiple-choice/EmbeddedChoicePassage";
import { questionCardSurfaceBg } from "@/utils/components/question-bank/question-display/utils/questionCardStyles";
// Icons
import AddIcon from "@mui/icons-material/Add";
import DeleteOutlineIcon from "@mui/icons-material/DeleteOutline";
import EditIcon from "@mui/icons-material/Edit";
import CheckCircleIcon from "@mui/icons-material/CheckCircle";
import CheckCircleOutlineIcon from "@mui/icons-material/CheckCircleOutline";
import ExpandMoreIcon from "@mui/icons-material/ExpandMore";
import ExpandLessIcon from "@mui/icons-material/ExpandLess";
import SaveIcon from "@mui/icons-material/Save";
import CloseIcon from "@mui/icons-material/Close";
import HelpOutlineIcon from "@mui/icons-material/HelpOutline";
import FormatUnderlinedIcon from "@mui/icons-material/FormatUnderlined";
import SettingsIcon from "@mui/icons-material/Settings";
import ListAltIcon from "@mui/icons-material/ListAlt";
import NoteAddIcon from "@mui/icons-material/NoteAdd";
import RestartAltIcon from "@mui/icons-material/RestartAlt";
import {
letters,
useQuestionForm,
TextEditorDialog,
QuestionSettings,
QuickTipsCard,
getClassificationProgress,
editorContainerSx,
editorHeaderSx,
cardHeaderHoverSx,
editorCardSx,
contentPreviewSx,
emptyStateSx,
choiceBadgeSx,
correctAnswerBadgeSx,
tipsCardSx,
} from "../utils";
const EmbeddedMultipleChoiceEditor = ({ role = "teacher" }) => {
const {
displayError,
setDisplayError,
editQuestion,
isEditMode,
questionText,
setQuestionText,
questionTextEditor,
setQuestionTextEditor,
showQuestionTextEditor,
questionDetailsText,
setQuestionDetailsText,
questionDetailsTextEditor,
setQuestionDetailsTextEditor,
showQuestionDetailsTextEditor,
answerDetailsText,
setAnswerDetailsText,
answerDetailsTextEditor,
setAnswerDetailsTextEditor,
showAnswerDetailsTextEditor,
values,
touched,
errors,
handleChange,
handleBlur,
setFieldValue,
setFieldTouched,
handleCancel,
clickQuestionButton,
saveQuestion,
cancelQuestion,
clickQuestionDetailsButton,
saveQuestionDetails,
cancelQuestionDetails,
clickEditAnswerDetails,
saveAnswerDetails,
cancelEditAnswerDetails,
deleteAnswerDetails,
submitQuestion,
buildBasePayload,
loadEditData,
resetFields,
handleImageUpload,
SaveProgress,
navigationBlocker,
} = useQuestionForm(role);
const { extractEmbeddedChoices } = tinyMCEUtility();
const theme = useTheme();
const cardBg = questionCardSurfaceBg(theme);
// Expandable sections
const [questionDetailsExpanded, setQuestionDetailsExpanded] = useState(false);
const [answerDetailsExpanded, setAnswerDetailsExpanded] = useState(false);
const [settingsExpanded, setSettingsExpanded] = useState(true);
// Embedded-choice specific state
const [isChoices, setChoices] = useState([]);
const [correctChoiceId, setCorrectChoiceId] = useState(null);
// Choices live inside the passage HTML itself (the teacher highlights words in
// the "Mark as Answer Choice" toolbar button, which wraps the selection in a
// <span data-embedded-choice-id>) — so the choice list is always re-derived
// from questionText rather than kept as separately-managed state.
useEffect(() => {
const extracted = extractEmbeddedChoices(questionText);
setChoices(extracted);
setCorrectChoiceId((prev) => (prev && extracted.some((c) => c.id === prev) ? prev : null));
}, [questionText]);
// Progress calculation
const getProgress = () => {
let progress = 0;
if (questionText) progress += 25;
if (isChoices.length > 0) progress += 25;
if (correctChoiceId) progress += 25;
progress += (getClassificationProgress(values) / 100) * 25;
return Math.round(progress);
};
const toggleCorrect = (id) => {
setCorrectChoiceId((prev) => (prev === id ? null : id));
};
// Unwraps the choice span, leaving its original content (plain text OR a
// math formula's rendered markup) back in the passage untouched — replacing
// it with a flattened text node would garble a formula choice on removal.
const removeChoice = (id) => {
const container = document.createElement("div");
container.innerHTML = questionText;
const node = container.querySelector(`[data-embedded-choice-id="${id}"]`);
if (node) {
node.replaceWith(...node.childNodes);
}
setQuestionText(container.innerHTML);
};
// Reset all values
const handleReset = () => {
setQuestionText("");
setQuestionDetailsText("");
setAnswerDetailsText("");
setChoices([]);
setCorrectChoiceId(null);
setDisplayError({ status: false, message: "" });
resetFields();
};
// Validation
const hasValidSelection = () => {
if (isChoices.length === 0) {
setDisplayError({
status: true,
message: "Please mark at least one answer choice in the passage.",
});
return false;
}
if (!correctChoiceId) {
setDisplayError({ status: true, message: "Please select the correct answer choice." });
return false;
}
setDisplayError({ status: false, message: "" });
return true;
};
// Submit handler - SAME PAYLOAD STRUCTURE
const createNewQuestion = async () => {
if (!hasValidSelection()) return;
const payload = {
...buildBasePayload("Embedded-Multiple-Choice", [correctChoiceId]),
choices: isChoices.map(({ id, text }) => ({ id, text })),
};
await submitQuestion(payload, () => {
setChoices([]);
setCorrectChoiceId(null);
});
};
// Dialog management
const getActiveDialog = () => {
if (showQuestionTextEditor)
return {
type: "question",
content: questionTextEditor,
setContent: setQuestionTextEditor,
save: saveQuestion,
cancel: cancelQuestion,
questionTypes: ["embeddedMultipleChoice"],
};
Iif (showAnswerDetailsTextEditor)
return {
type: "answerDetails",
content: answerDetailsTextEditor,
setContent: setAnswerDetailsTextEditor,
save: saveAnswerDetails,
cancel: cancelEditAnswerDetails,
questionTypes: [],
};
Iif (showQuestionDetailsTextEditor)
return {
type: "questionDetails",
content: questionDetailsTextEditor,
setContent: setQuestionDetailsTextEditor,
save: saveQuestionDetails,
cancel: cancelQuestionDetails,
questionTypes: [],
};
return null;
};
const activeDialog = getActiveDialog();
// Load edit data
useEffect(() => {
loadEditData((data) => {
setCorrectChoiceId(data.correctAnswer?.answers?.[0] ?? null);
});
}, []);
return (
<Box className="embedded-mc-container" sx={editorContainerSx()}>
<SaveProgress />
<UnsavedChangesDialog blocker={navigationBlocker} />
{/* Dialog */}
{activeDialog && (
<TextEditorDialog
open={true}
editorType={activeDialog.type}
isEditMode={isEditMode}
editContent={activeDialog.content}
setEditContent={activeDialog.setContent}
onSave={activeDialog.save}
onCancel={activeDialog.cancel}
questionTypes={activeDialog.questionTypes}
onImageUpload={handleImageUpload}
/>
)}
{/* Header */}
<Paper className="embedded-mc-header" elevation={0} sx={editorHeaderSx()}>
<Box className="embedded-mc-header-content">
<Box className="embedded-mc-header-left">
<FormatUnderlinedIcon sx={{ fontSize: 28, color: "primary.main" }} />
<Box>
<Typography variant="h5" fontWeight={600}>
{editQuestion ? "Edit Question" : "Create Embedded Multiple-Choice Question"}
</Typography>
<Typography variant="body2" color="text.secondary">
{editQuestion
? "Update your question details"
: "Write a passage and mark words or phrases as answer choices"}
</Typography>
</Box>
</Box>
<Box className="embedded-mc-header-actions">
<Button variant="outlined" color="inherit" onClick={handleCancel} startIcon={<CloseIcon />}>
Cancel
</Button>
<Button variant="outlined" color="warning" onClick={handleReset} startIcon={<RestartAltIcon />}>
Reset
</Button>
<Box sx={{ display: "flex", alignItems: "center", gap: 0.5 }}>
<Button
variant="contained"
color="primary"
onClick={createNewQuestion}
startIcon={<SaveIcon />}
>
{editQuestion ? "Update" : "Save Question"}
</Button>
<Tooltip
title={
<Box sx={{ p: 1 }}>
<Typography variant="subtitle2" sx={{ fontWeight: 600, mb: 1 }}>
Required Fields:
</Typography>
<Stack spacing={0.5}>
<Typography
variant="caption"
sx={{ display: "flex", alignItems: "center", gap: 0.5 }}
>
{questionText ? (
<CheckCircleIcon fontSize="small" color="success" />
) : (
<CheckCircleOutlineIcon fontSize="small" />
)}
Passage with marked choices
</Typography>
<Typography
variant="caption"
sx={{ display: "flex", alignItems: "center", gap: 0.5 }}
>
{isChoices.length > 0 ? (
<CheckCircleIcon fontSize="small" color="success" />
) : (
<CheckCircleOutlineIcon fontSize="small" />
)}
At least one answer choice
</Typography>
<Typography
variant="caption"
sx={{ display: "flex", alignItems: "center", gap: 0.5 }}
>
{correctChoiceId ? (
<CheckCircleIcon fontSize="small" color="success" />
) : (
<CheckCircleOutlineIcon fontSize="small" />
)}
Correct answer selected
</Typography>
<Typography
variant="caption"
sx={{ display: "flex", alignItems: "center", gap: 0.5 }}
>
{values.assignmentType ? (
<CheckCircleIcon fontSize="small" color="success" />
) : (
<CheckCircleOutlineIcon fontSize="small" />
)}
Assignment type
</Typography>
<Typography
variant="caption"
sx={{ display: "flex", alignItems: "center", gap: 0.5 }}
>
{values.questionPoints ? (
<CheckCircleIcon fontSize="small" color="success" />
) : (
<CheckCircleOutlineIcon fontSize="small" />
)}
Question points
</Typography>
</Stack>
</Box>
}
arrow
placement="bottom-end"
>
<IconButton size="small" sx={{ color: "primary.main" }}>
<HelpOutlineIcon fontSize="small" />
</IconButton>
</Tooltip>
</Box>
</Box>
</Box>
{/* Progress bar */}
<Box className="embedded-mc-progress">
<LinearProgress
variant="determinate"
value={getProgress()}
color="success"
sx={{ height: 6, borderRadius: 3 }}
/>
<Typography variant="caption" color="text.secondary" sx={{ mt: 0.5 }}>
{getProgress()}% complete
</Typography>
</Box>
</Paper>
{/* Error Alert */}
{displayError.status && (
<Alert
severity="error"
sx={{ mx: 3, mt: 2 }}
onClose={() => setDisplayError({ status: false, message: "" })}
>
{displayError.message}
</Alert>
)}
{/* Question Settings Validation Errors */}
{Object.keys(errors).some((key) => touched[key]) && (
<Alert severity="error" sx={{ mx: 3, mt: 2 }}>
<Typography variant="body2" fontWeight={600} sx={{ mb: 0.5 }}>
Please complete the required question settings:
</Typography>
<Stack spacing={0.25}>
{Object.entries(errors).map(([key, message]) =>
touched[key] ? (
<Typography key={key} variant="caption">
• {message}
</Typography>
) : null
)}
</Stack>
</Alert>
)}
{/* Main Content */}
<Box className="embedded-mc-main">
{/* Left Panel - Question & Choices */}
<Box className="embedded-mc-left-panel">
{/* Question Card */}
<Card className="embedded-mc-card" sx={editorCardSx(theme)}>
<CardContent>
<Box className="embedded-mc-card-header">
<Box className="embedded-mc-card-title">
<HelpOutlineIcon color="primary" />
<Typography variant="h6">Passage</Typography>
{questionText && <CheckCircleIcon color="success" fontSize="small" />}
</Box>
<Button
variant={questionText ? "outlined" : "contained"}
size="small"
startIcon={questionText ? <EditIcon /> : <AddIcon />}
onClick={clickQuestionButton}
>
{questionText ? "Edit" : "Add Passage"}
</Button>
</Box>
{questionText ? (
<Paper
variant="outlined"
className="embedded-mc-content-preview"
sx={contentPreviewSx()}
>
<EmbeddedChoicePassage
html={questionText}
interactive={false}
showAnswers
correctId={correctChoiceId}
backgroundColor={cardBg}
/>
</Paper>
) : (
<Box className="embedded-mc-empty-state" sx={emptyStateSx(theme)}>
<NoteAddIcon sx={{ fontSize: 48, color: "action.disabled" }} />
<Typography color="text.secondary">
Click "Add Passage" to write your question
</Typography>
<Typography variant="caption" color="text.secondary">
Highlight a word or phrase, then use the underline button in the editor toolbar
to mark it as an answer choice
</Typography>
</Box>
)}
{/* Question Details - Collapsible */}
<Box sx={{ mt: 2 }}>
<Button
size="small"
onClick={() => setQuestionDetailsExpanded(!questionDetailsExpanded)}
endIcon={questionDetailsExpanded ? <ExpandLessIcon /> : <ExpandMoreIcon />}
sx={{ textTransform: "none" }}
>
Question Details (Optional)
{questionDetailsText && (
<CheckCircleIcon color="success" fontSize="small" sx={{ ml: 1 }} />
)}
</Button>
<Collapse in={questionDetailsExpanded}>
<Box sx={{ mt: 1 }}>
{questionDetailsText ? (
<Paper
variant="outlined"
className="embedded-mc-content-preview"
sx={contentPreviewSx()}
>
<ReadOnlyMathEditor content={questionDetailsText} />
<IconButton
size="small"
onClick={clickQuestionDetailsButton}
sx={{ position: "absolute", top: 8, right: 8 }}
>
<EditIcon fontSize="small" />
</IconButton>
</Paper>
) : (
<Button
variant="text"
size="small"
startIcon={<AddIcon />}
onClick={clickQuestionDetailsButton}
>
Add details or hints
</Button>
)}
</Box>
</Collapse>
</Box>
</CardContent>
</Card>
{/* Choices Card */}
{isChoices.length > 0 && (
<Card className="embedded-mc-card" sx={editorCardSx(theme)}>
<CardContent>
<Box className="embedded-mc-card-header">
<Box className="embedded-mc-card-title">
<ListAltIcon color="primary" />
<Typography variant="h6">Answer Choices</Typography>
<Chip
size="small"
label={`${isChoices.length} choice${isChoices.length > 1 ? "s" : ""}`}
color="primary"
variant="filled"
sx={{ fontWeight: 500 }}
/>
</Box>
</Box>
<Box className="embedded-mc-choices-list">
{isChoices.map((choice, index) => {
const isAnswer = correctChoiceId === choice.id;
return (
<Paper
key={choice.id}
variant="outlined"
className="embedded-mc-choice-item"
sx={{
bgcolor: `${cardBg} !important`,
borderColor: isAnswer ? "success.main" : "divider",
}}
>
<Box sx={choiceBadgeSx(theme, { correct: isAnswer })}>
{letters[index] ?? index + 1}
</Box>
<Typography
component="div"
sx={{ flex: 1, "& .mfe-formula": { color: "inherit" } }}
dangerouslySetInnerHTML={{ __html: sanitizeRichText(choice.text) }}
/>
<Tooltip title={isAnswer ? "Correct answer" : "Mark as correct"}>
<IconButton
size="small"
onClick={() => toggleCorrect(choice.id)}
color={isAnswer ? "success" : "default"}
>
{isAnswer ? <CheckCircleIcon /> : <CheckCircleOutlineIcon />}
</IconButton>
</Tooltip>
<IconButton
size="small"
onClick={() => removeChoice(choice.id)}
color="error"
>
<DeleteOutlineIcon fontSize="small" />
</IconButton>
</Paper>
);
})}
</Box>
{/* Correct Answer Display */}
{correctChoiceId && (
<Box
sx={{
mt: 2,
p: 1.5,
display: "flex",
alignItems: "center",
gap: 1,
borderRadius: 1.5,
...correctAnswerBadgeSx(theme),
}}
>
<CheckCircleIcon color="success" fontSize="small" />
<Typography variant="body2" component="div" sx={{ display: "flex", gap: 0.5 }}>
Correct Answer:
<Box
component="strong"
sx={{ "& .mfe-formula": { color: "inherit" } }}
dangerouslySetInnerHTML={{
__html: sanitizeRichText(
isChoices.find((c) => c.id === correctChoiceId)?.text || ""
),
}}
/>
</Typography>
</Box>
)}
</CardContent>
</Card>
)}
{/* Answer Details Card - Collapsible */}
<Card className="embedded-mc-card" sx={editorCardSx(theme)}>
<CardContent>
<Box
className="embedded-mc-card-header clickable"
onClick={() => setAnswerDetailsExpanded(!answerDetailsExpanded)}
sx={cardHeaderHoverSx(theme)}
>
<Box className="embedded-mc-card-title">
<NoteAddIcon color="primary" />
<Typography variant="h6">Answer Explanation (Optional)</Typography>
{answerDetailsText && <CheckCircleIcon color="success" fontSize="small" />}
</Box>
{answerDetailsExpanded ? <ExpandLessIcon /> : <ExpandMoreIcon />}
</Box>
<Collapse in={answerDetailsExpanded}>
<Box sx={{ mt: 2 }}>
{answerDetailsText ? (
<Paper
variant="outlined"
className="embedded-mc-content-preview"
sx={{ position: "relative", ...contentPreviewSx() }}
>
<ReadOnlyMathEditor content={answerDetailsText} />
<Box
sx={{
position: "absolute",
top: 8,
right: 8,
display: "flex",
gap: 0.5,
}}
>
<IconButton
size="small"
onClick={() => clickEditAnswerDetails(answerDetailsText)}
>
<EditIcon fontSize="small" />
</IconButton>
<IconButton size="small" onClick={deleteAnswerDetails} color="error">
<DeleteOutlineIcon fontSize="small" />
</IconButton>
</Box>
</Paper>
) : (
<Button
variant="outlined"
startIcon={<AddIcon />}
onClick={() => clickEditAnswerDetails("")}
fullWidth
>
Add Answer Explanation
</Button>
)}
</Box>
</Collapse>
</CardContent>
</Card>
</Box>
{/* Right Panel - Tips + Settings */}
<Box className="embedded-mc-right-panel">
<QuickTipsCard
className="embedded-mc-card embedded-mc-tips-card"
sx={{ ...editorCardSx(theme), ...tipsCardSx(theme) }}
tips={[
"Highlight a word or phrase in the passage, then click the underline toolbar button to mark it as a choice",
"Mark at least one choice, then pick the correct one from the list below",
"Punctuation next to a highlighted word is left out of the choice automatically",
"Choices can't overlap — mark separate words or phrases",
]}
/>
<Card className="embedded-mc-card embedded-mc-settings-card" sx={editorCardSx(theme)}>
<CardContent>
<Box
className="embedded-mc-card-header clickable"
onClick={() => setSettingsExpanded(!settingsExpanded)}
sx={cardHeaderHoverSx(theme)}
>
<Box className="embedded-mc-card-title">
<SettingsIcon color="primary" />
<Typography variant="h6">Question Settings</Typography>
</Box>
{settingsExpanded ? <ExpandLessIcon /> : <ExpandMoreIcon />}
</Box>
<Collapse in={settingsExpanded}>
<Box sx={{ mt: 2 }}>
<QuestionSettings
values={values}
touched={touched}
errors={errors}
handleChange={handleChange}
handleBlur={handleBlur}
setFieldValue={setFieldValue}
setFieldTouched={setFieldTouched}
/>
</Box>
</Collapse>
</CardContent>
</Card>
</Box>
</Box>
</Box>
);
};
export default EmbeddedMultipleChoiceEditor;
|