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import { cn } from "@/lib/utils";
import { PropertySelectionSummary } from "@/pages/flowsheet-page/flowsheet/PropertiesSidebar/components/PropertySelectionSummary";
import {
AccessControlledProps,
AccessControlledInput as Input,
} from "./accessControlled";
import { InputProps } from "./input";
interface DebouncedInputProps extends InputProps, AccessControlledProps {
value: string | number;
onUpdate: (update: string | number) => void;
onDebouncedChange?: (update: string | number) => void;
isFixed?: boolean; // if not fixed, show a red border
autoSelect?: boolean;
unitType?: string;
debounceMs?: number;
validationState?: "error" | "warning" | "info" | "suggestion";
className?: string;
ariaLabel?: string;
}
const useUnmount = (fn: () => void) => {
useEffect(() => {
return fn;
}, []);
};
const DebouncedInput = ({
value,
onUpdate,
onDebouncedChange,
isFixed = true,
autoSelect = false,
debounceMs = 350,
validationState,
className,
ariaLabel,
writeAccessOnly = true,
hideIfNoAccess = false,
onBlur: externalOnBlur,
onFocus: externalOnFocus,
...props
}: DebouncedInputProps) => {
const inputRef = useRef<HTMLInputElement | null>(null);
const currentValue = useRef(value);
const wasActive = useRef(false);
const wasDisabled = useRef(props.disabled);
const debounceRef = useRef<number | null>(null);
const skipNextBlurUpdate = useRef(false);
const handleUpdate = () => {
// only call onUpdate if the value has changed or if the input was previously disabled
if (currentValue.current !== value || wasDisabled.current || !isFixed) {
onUpdate(currentValue.current);
}
};
const handleEnterPressed = (e: React.KeyboardEvent<HTMLInputElement>) => {
if (inputRef.current && e.key === "Enter") {
e.preventDefault();
skipNextBlurUpdate.current = true;
handleUpdate();
inputRef.current.blur();
}
};
const handleInput = (e: React.ChangeEvent<HTMLInputElement>) => {
currentValue.current = e.target.value; // This is used to avoid calling onBlur with stale data
if (onDebouncedChange) {
if (debounceRef.current !== null) {
window.clearTimeout(debounceRef.current);
}
debounceRef.current = window.setTimeout(() => {
onDebouncedChange(currentValue.current);
}, debounceMs);
}
};
const handleFocus = () => {
wasActive.current = true;
};
useEffect(() => {
if (autoSelect && inputRef.current) {
setTimeout(() => {
if (inputRef.current) {
inputRef.current.focus();
inputRef.current.select();
}
}, 1);
}
}, [autoSelect]);
const handleBlur = () => {
if (skipNextBlurUpdate.current) {
skipNextBlurUpdate.current = false;
} else {
handleUpdate();
}
wasActive.current = false;
wasDisabled.current = false;
};
useEffect(() => {
if (
value !== undefined &&
value !== null &&
inputRef.current &&
inputRef.current.value !== value
) {
// handle external updates
currentValue.current = value;
inputRef.current.value = value.toString();
}
}, [value]);
useEffect(() => {
// we want to allow the input to be fixed after it becomes un-disabled
// if the input was previously disabled, we should update the value this one time
if (inputRef.current?.disabled) {
wasDisabled.current = true;
}
}, [inputRef.current?.disabled]);
useUnmount(() => {
if (wasActive.current) {
// handle unmounting while active
handleUpdate();
}
if (debounceRef.current !== null) {
window.clearTimeout(debounceRef.current);
}
});
return (
<Input
placeholder="Enter a value"
name="debounced-input"
ref={inputRef}
type="text"
onInput={handleInput}
onBlur={(event) => {
handleBlur();
externalOnBlur?.(event);
}}
onFocus={(event) => {
handleFocus();
externalOnFocus?.(event);
}}
onKeyDown={handleEnterPressed}
className={cn(
!isFixed
? "border-rose-700"
: (props.disabled && value !== undefined) ||
(props.disabled && value === 0)
? "border-0"
: "",
validationState === "error" && "border-rose-600",
validationState === "warning" && "border-amber-500",
validationState === "info" && "border-blue-500",
validationState === "suggestion" && "border-emerald-500",
className,
)}
aria-label={ariaLabel}
writeAccessOnly={writeAccessOnly}
hideIfNoAccess={hideIfNoAccess}
{...props}
/>
);
};
export default DebouncedInput;
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