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Update the Expression widget to support the 'Show Your Work' hackathon project #1768

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Update the Expression widget to support the 'Show Your Work' hackathon project #1768

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b2149d3
Update the Expression widget to support the 'Show Your Work' hackatho…
kevinb-khan Oct 20, 2024
0b4334e
Feed 'disabled' prop through to MathInput
kevinb-khan Oct 20, 2024
2fb2147
Feed 'noBackground' prop through to MathInput
kevinb-khan Oct 20, 2024
d072b86
Add 'noWrapper' prop to Expression widget
kevinb-khan Oct 20, 2024
6da54c3
If props.disable is true, don't allow the input field to be focused
kevinb-khan Oct 25, 2024
ddfdda4
Merge remote-tracking branch 'origin/main' into expr-widget-hackathon
kevinb-khan Oct 25, 2024
520b449
add changeset file
kevinb-khan Oct 25, 2024
6b285b5
also prevent MathInput from gaining focus when disabled
kevinb-khan Oct 25, 2024
b8b9f9d
revert focus() method changes and use 'pointer-events: none' to disab…
kevinb-khan Oct 25, 2024
0f3349d
Merge remote-tracking branch 'origin/main' into expr-widget-hackathon
kevinb-khan Nov 1, 2024
8f503ce
Merge remote-tracking branch 'origin/main' into expr-widget-hackathon
kevinb-khan Jan 31, 2025
10066f9
Merge branch 'main' into expr-widget-hackathon
kevinb-khan Jan 31, 2025
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5 changes: 5 additions & 0 deletions .changeset/chilly-singers-decide.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@khanacademy/perseus": patch
---

Add features to support show-your-work widget
157 changes: 90 additions & 67 deletions packages/perseus/src/components/math-input.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,8 @@ type Props = {
* - `never` means that the keypad is **never shown**.
*/
buttonsVisible?: ButtonsVisibleType;
disabled?: boolean;
noBackground?: boolean;
onAnalyticsEvent: AnalyticsEventHandlerFn;
};

Expand Down Expand Up @@ -168,6 +170,13 @@ class InnerMathInput extends React.Component<InnerProps, State> {
input?.focus();
};

// TODO(kevinb): Port this to @khanacademy/math-input
setValue = (value: string) => {
const input = this.mathField();
input?.select();
input?.write(value);
};

mathField: () => MathFieldInterface | null = () => {
if (!this.__mathField && this.__mathFieldWrapperRef) {
const {locale} = this.context;
Expand Down Expand Up @@ -306,8 +315,10 @@ class InnerMathInput extends React.Component<InnerProps, State> {
<View
style={[
styles.outerWrapper,
!this.props.noBackground && styles.outerWrapperBackground,
this.state.focused && styles.wrapperFocused,
this.props.hasError && styles.wrapperError,
this.props.disabled && styles.disabled,
]}
>
<div
Expand Down Expand Up @@ -336,73 +347,80 @@ class InnerMathInput extends React.Component<InnerProps, State> {
onFocus={() => this.focus()}
onBlur={() => this.blur()}
/>
<Popover
rootBoundary="document"
opened={this.state.keypadOpen}
onClose={() => this.closeKeypad()}
dismissEnabled
aria-label={this.context.strings.mathInputTitle}
aria-describedby={`popover-content-${popoverContentUniqueId}`}
content={() => (
<>
<HeadingMedium
id={`popover-content-${popoverContentUniqueId}`}
style={a11y.srOnly}
>
{this.context.strings.mathInputDescription}
</HeadingMedium>
<PopoverContentCore
closeButtonVisible
style={styles.popoverContent}
>
<DesktopKeypad
onAnalyticsEvent={
this.props.onAnalyticsEvent
}
extraKeys={this.props.extraKeys}
onClickKey={this.handleKeypadPress}
cursorContext={this.state.cursorContext}
convertDotToTimes={
this.props.convertDotToTimes
{!this.props.disabled && (
<Popover
rootBoundary="document"
opened={this.state.keypadOpen}
onClose={() => this.closeKeypad()}
dismissEnabled
aria-label={this.context.strings.mathInputTitle}
aria-describedby={`popover-content-${popoverContentUniqueId}`}
content={() => (
<>
<HeadingMedium
id={`popover-content-${popoverContentUniqueId}`}
style={a11y.srOnly}
>
{
this.context.strings
.mathInputDescription
}
{...(this.props.keypadButtonSets ??
mapButtonSets(
this.props?.buttonSets,
))}
/>
</PopoverContentCore>
</>
)}
>
{this.props.buttonsVisible === "never" ? (
<MathInputIcon
hovered={false}
focused={false}
active={false}
/>
) : (
<Clickable
aria-label={
this.state.keypadOpen
? this.context.strings.closeKeypad
: this.context.strings.openKeypad
}
role="button"
onClick={() =>
this.state.keypadOpen
? this.closeKeypad()
: this.openKeypad()
}
>
{(props) => (
<MathInputIcon
active={this.state.keypadOpen}
{...props}
/>
)}
</Clickable>
)}
</Popover>
</HeadingMedium>
<PopoverContentCore
closeButtonVisible
style={styles.popoverContent}
>
<DesktopKeypad
onAnalyticsEvent={
this.props.onAnalyticsEvent
}
extraKeys={this.props.extraKeys}
onClickKey={this.handleKeypadPress}
cursorContext={
this.state.cursorContext
}
convertDotToTimes={
this.props.convertDotToTimes
}
{...(this.props.keypadButtonSets ??
mapButtonSets(
this.props?.buttonSets,
))}
/>
</PopoverContentCore>
</>
)}
>
{this.props.buttonsVisible === "never" ? (
<MathInputIcon
hovered={false}
focused={false}
active={false}
/>
) : (
<Clickable
aria-label={
this.state.keypadOpen
? this.context.strings.closeKeypad
: this.context.strings.openKeypad
}
role="button"
onClick={() =>
this.state.keypadOpen
? this.closeKeypad()
: this.openKeypad()
}
>
{(props) => (
<MathInputIcon
active={this.state.keypadOpen}
{...props}
/>
)}
</Clickable>
)}
</Popover>
)}
</div>
</View>
);
Expand Down Expand Up @@ -538,9 +556,11 @@ const styles = StyleSheet.create({
borderWidth: 1,
borderColor: color.offBlack50,
borderRadius: 3,
background: color.white,
":hover": inputFocused,
},
outerWrapperBackground: {
background: color.white,
},
wrapperFocused: inputFocused,
wrapperError: {
borderColor: color.red,
Expand All @@ -554,6 +574,9 @@ const styles = StyleSheet.create({
paddingBottom: spacing.xxSmall_6,
maxWidth: "initial",
},
disabled: {
pointerEvents: "none",
},
});

export default MathInput;
24 changes: 21 additions & 3 deletions packages/perseus/src/widgets/expression/expression.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,9 @@ export type Props = ExternalProps &
visibleLabel: PerseusExpressionWidgetOptions["visibleLabel"];
ariaLabel: PerseusExpressionWidgetOptions["ariaLabel"];
value: string;
disabled?: boolean;
noBackground?: boolean;
noWrapper?: boolean;
};

export type ExpressionState = {
Expand Down Expand Up @@ -115,6 +118,7 @@ export class Expression

_textareaId = `expression_textarea_${Date.now()}`;
_isMounted = false;
_mathInput: React.MutableRefObject<null | MathInput> = React.createRef();

static getUserInputFromProps(props: Props): PerseusExpressionUserInput {
return normalizeTex(props.value);
Expand Down Expand Up @@ -294,6 +298,13 @@ export class Expression
},
cb,
);

if (this._mathInput.current) {
const inputRef = this._mathInput.current.inputRef;
if (inputRef.current) {
inputRef.current.setValue(newValue);
}
}
}

render() {
Expand Down Expand Up @@ -342,7 +353,13 @@ export class Expression
const {ERROR_MESSAGE, ERROR_TITLE} = this.context.strings;

return (
<View className={css(styles.desktopLabelInputWrapper)}>
<View
className={
this.props.noWrapper
? undefined
: css(styles.desktopLabelInputWrapper)
}
>
{!!this.props.visibleLabel && (
<LabelSmall htmlFor={this._textareaId} tag="label">
{this.props.visibleLabel}
Expand Down Expand Up @@ -378,13 +395,14 @@ export class Expression
content={ERROR_MESSAGE}
>
<MathInput
// eslint-disable-next-line react/no-string-refs
ref="input"
ref={this._mathInput}
className={ApiClassNames.INTERACTIVE}
value={this.props.value}
onChange={this.changeAndTrack}
convertDotToTimes={this.props.times}
buttonSets={this.props.buttonSets}
disabled={this.props.disabled}
noBackground={this.props.noBackground}
onFocus={this._handleFocus}
onBlur={this._handleBlur}
hasError={this.state.showErrorStyle}
Expand Down
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