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PropertyInfoRead,
PropertyValue,
useCorePropertyvaluePartialUpdateMutation
} from "@/api/apiStore.gen";
import {
useCurrentObject,
useFlowsheetUnitOps
} from "@/hooks/flowsheetObjects";
import { useSimulationObjectPropertySet } from "@/hooks/properties";
import { useEffect, useMemo, useRef, useState } from "react";
import { Mention, MentionsInput } from "react-mentions";
import { getValuesList } from "./getValuesList";
export function FormulaInputField({
property,
propertyValue,
}: {
property: PropertyInfoRead;
propertyValue: PropertyValue;
}) {
const [formula, setFormula] = useState(propertyValue?.formula || "");
const sectionsRef = useRef<
{
id: number;
type: "text" | "unit" | "prop";
displayText: string;
value: string;
}[]
>([]);
const [currentSectionIndex, setCurrentSectionIndex] = useState(0);
// data options: list of objects
const flowsheetUnitOps = useFlowsheetUnitOps();
const currentObject = useCurrentObject();
const prevSectionIsUnit =
sectionsRef.current[currentSectionIndex - 1]?.type === "unit";
const properties = useSimulationObjectPropertySet(
prevSectionIsUnit
? +sectionsRef.current[currentSectionIndex - 1]?.id
: undefined,
);
const [updateValue] = useCorePropertyvaluePartialUpdateMutation();
const [dropdownPosition, setDropdownPosition] = useState("bottom");
const inputRef = useRef<HTMLInputElement>(null);
const changeValue = (e) => {
const inputElement = inputRef.current;
Iif (!inputElement) return;
// const newValue = inputElement.value;
let newValue = e.target.value;
// split into sections
// a tag is like @[First Last](unit1) or @[First Last](prop1)
// a section is a tag or a string of text
// store sections as {type: "text"|"unit"|"prop", displayText: string, value: string}
// split by tag
let newSections = newValue.split(/(@\[[^\]]+\]\([^)]+\))/g);
newSections = newSections.filter((section) => section !== "");
newSections = newSections.map((section) => {
if (section.startsWith("@[")) {
// value: "@[First Last](1)"
// displayText: "First Last"
// use regex to extract the display text
const match = section.match(/@\[([^\]]+)\]\([^)]+\)/);
const displayText = match ? match[1] : section;
// type: "unit" if id = "unit[id]" or "prop" if id = "prop[id]"
// id: "unit123"
const idType = section.match(/\(([^)]+)\)/)?.[1];
const type = idType?.startsWith("unit") ? "unit" : "prop";
const id = idType.replace(type, "");
return { id: id, type: type, value: section, displayText: displayText };
} else {
return { id: -1, type: "text", value: section, displayText: section };
}
});
// if final section is "unit" or "prop", add an empty text section
if (
newSections.length > 0 &&
newSections[newSections.length - 1].type !== "text"
) {
newSections.push({ id: -1, type: "text", value: "", displayText: "" });
}
// join sections back together
newValue = newSections.map((section) => section.value).join("");
setFormula(newValue);
sectionsRef.current = newSections;
};
useEffect(() => {
const handleSelectionChange = () => {
const cursorPosition = inputRef.current?.selectionStart ?? 0;
let newSectionIndex = sectionsRef.current.length - 1; // initialize to last section (to handle cursor at end of input)
let totalSectionLengths = 0;
for (let i = 0; i < sectionsRef.current.length; i++) {
totalSectionLengths += sectionsRef.current[i].displayText.length;
Iif (cursorPosition < totalSectionLengths) {
newSectionIndex = i;
break;
}
}
setCurrentSectionIndex(newSectionIndex);
};
const inputElement = inputRef.current;
if (inputElement) {
inputRef.current.addEventListener(
"selectionchange",
handleSelectionChange,
);
}
return () => {
if (inputElement) {
inputElement.removeEventListener(
"selectionchange",
handleSelectionChange,
);
}
};
}, []);
const handleBackendUpdate = (e, clickedSuggestion) => {
if (clickedSuggestion) return; // don't update backend if a suggestion was clicked
updateValue({
id: propertyValue.id,
patchedPropertyValue: {
formula: formula,
},
});
};
const trigger = prevSectionIsUnit ? "" : "@";
const mentionRef = useRef(null);
const dataOptions = useMemo(() => {
// HERE
if (prevSectionIsUnit) {
// display the properties of the unit
return properties?.ContainedProperties?.flatMap(getValuesList).map(value=>({
id: "prop" + value.propertyValue.id,
display: value.displayPath
}));
}
return flowsheetUnitOps?.map((obj) => ({
id: "unit" + obj.id,
display: obj.componentName + ": ",
})).concat(
(currentObject?.properties?.ContainedProperties?.flatMap(getValuesList) || []).map(value=>({
id: "prop" + value.propertyValue.id,
display: value.displayPath
})))
}, [prevSectionIsUnit, properties, flowsheetUnitOps, currentObject?.properties?.ContainedProperties]);
useEffect(() => {
// manually trigger updateMentionsQueries to update the suggestions
// we need to run this when dataOptions changes (ie. when the backend gives us new data)
if (mentionRef.current && dataOptions) {
mentionRef.current.updateMentionsQueries(
formula,
inputRef.current?.selectionStart ?? 0,
);
}
}, [dataOptions]);
const calculateDropdownPosition = () => {
if (inputRef.current) {
const inputRect = inputRef.current.getBoundingClientRect();
const spaceBelow = window.innerHeight - inputRect.bottom;
const dropdownHeight = 200; // Approximate height of the dropdown
if (spaceBelow < dropdownHeight) {
setDropdownPosition("top");
} else {
setDropdownPosition("bottom");
}
}
};
return (
<div className="flex flex-col gap-3 w-full mb-2">
<MentionsInput
ref={mentionRef}
aria-label={"mentions-input-" + property.displayName}
value={formula}
onChange={changeValue}
onBlur={handleBackendUpdate}
inputRef={inputRef}
onFocus={calculateDropdownPosition}
allowSpaceInQuery={true}
style={{
control: {
fontSize: "14px",
padding: "5px",
border: "1px solid hsl(var(--input))",
borderRadius: "0.375rem",
},
input: {
padding: "7px",
},
suggestions: {
left: 0,
width: "100%",
backgroundColor: "transparent",
marginTop: dropdownPosition === "bottom" ? "5px" : "auto",
marginBottom: dropdownPosition === "top" ? "5px" : "auto",
top: dropdownPosition === "top" ? "auto" : "100%",
bottom: dropdownPosition === "top" ? "100%" : "auto",
list: {
backgroundColor: "hsl(var(--background))",
fontSize: "14px",
overflowY: "auto",
maxHeight: "100px",
},
item: {
width: "100%",
padding: "6px",
borderBottom: "1px solid rgba(0,0,0,0.15)",
"&focused": {
backgroundColor: "hsl(var(--accent))",
},
},
},
}}
onKeyDown={(e) => {
Iif (e.key === "Enter") {
// prevent new line (and blur input)
// TODO: probably a better way to handle this
inputRef.current?.blur();
e.preventDefault();
}
}}
placeholder="Use @ to mention variables"
customSuggestionsContainer={(children) => (
<div
id="mentions-container"
className="bg-background border-border border rounded-md"
>
<div className="p-2">
<strong className="text-sm">
{prevSectionIsUnit ? "Properties" : "Unit Operations"}
</strong>
</div>
<div className="justify-self-center w-11/12 border-b m-1"></div>
<div id="mentions-list">{children}</div>
<style>
{`
/* webKit scrollbar styling */
::-webkit-scrollbar {
width: 8px;
height: 8px;
}
::-webkit-scrollbar-thumb {
background-color: hsl(var(--border));
border-radius: 5px;
border: 1px solid hsl(var(--background));
}
::-webkit-scrollbar-track {
border-radius: 5px;
}
::-webkit-scrollbar-button {
display: none;
}
#mentions-list > ul {
max-height: 200px !important;
}
`}
</style>
</div>
)}
>
<Mention
trigger={trigger} // the dataOptions for prop mentions will not properly style unless you change the trigger to something other than "". e.g. ":" shows expected styling.
data={dataOptions}
appendSpaceOnAdd={prevSectionIsUnit ? true : false}
className="bg-secondary rounded-md text-sm items-center"
/>
</MentionsInput>
</div>
);
} |