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/** @jsx jsx */
import { jsx, css } from "@emotion/react";
import React, { ChangeEvent } from "react";
import { Question, QuestionType } from "../api/question";
import { selectable } from "../commonStyles";
import create_input from "./InputTypes";
const _skip_normal_state: Array<QuestionType> = [
QuestionType.Radio,
QuestionType.Checkbox,
QuestionType.Select,
QuestionType.Section,
QuestionType.Range
];
export type QuestionProp = {
question: Question,
public_state: Map<string, string | boolean | null>,
}
class RenderedQuestion extends React.Component<QuestionProp> {
constructor(props: QuestionProp) {
super(props);
if (props.question.type === QuestionType.TextArea) {
this.handler = this.text_area_handler.bind(this);
} else {
this.handler = this.normal_handler.bind(this);
}
if (!_skip_normal_state.includes(props.question.type)) {
this._setState("value", "");
}
}
_setState(target: string, value: string | boolean | null, callback?:() => void): void {
this.setState({[target]: value}, callback);
this.props.public_state.set(target, value);
}
// This is here to allow dynamic selection between the general handler, and the textarea handler.
handler(_: ChangeEvent<HTMLInputElement | HTMLTextAreaElement>): void {} // eslint-disable-line
normal_handler(event: ChangeEvent<HTMLInputElement>): void {
let target: string;
let value: string | boolean;
switch (event.target.type) {
case "checkbox":
target = event.target.name;
value = event.target.checked;
break;
case "radio":
// This handles radios and ranges, as they are both based on the same fundamental input type
target = "value";
if (event.target.parentElement) {
value = event.target.parentElement.innerText.trimEnd();
} else {
value = event.target.value;
}
break;
default:
target = "value";
value = event.target.value;
}
this._setState(target, value);
// Toggle checkbox class
if (event.target.type == "checkbox" && event.target.parentElement !== null) {
event.target.parentElement.classList.toggle("unselected");
event.target.parentElement.classList.toggle("selected");
}
}
text_area_handler(event: ChangeEvent<HTMLTextAreaElement>): void {
this._setState("value", event.target.value);
}
componentDidMount(): void {
// Initialize defaults for complex and nested fields
const options: string | string[] = this.props.question.data["options"];
if (this.props.public_state.size === 0) {
switch (this.props.question.type) {
case QuestionType.Checkbox:
if (typeof options === "string") {
return;
}
options.forEach((option, index) => {
this._setState(`${("000" + index).slice(-4)}. ${option}`, false);
});
break;
case QuestionType.Range:
case QuestionType.Radio:
case QuestionType.Select:
this._setState("value", null);
break;
}
}
}
render(): JSX.Element {
const question = this.props.question;
if (question.type === QuestionType.Section) {
const styles = css`
h1 {
margin-bottom: 0;
}
h3 {
margin-top: 0;
}
h1, h3 {
text-align: center;
padding: 0 2rem;
}
@media (max-width: 500px) {
h1, h3 {
padding: 0;
}
}
`;
return <div css={styles}>
<h1 css={[selectable, css`line-height: 2.5rem;`]}>{question.name}</h1>
{ question.data["text"] ? <h3 css={selectable}>{question.data["text"]}</h3> : "" }
<hr css={css`color: gray; margin: 3rem 0;`}/>
</div>;
} else {
const requiredStarStyles = css`
span {
display: none;
}
.required {
display: inline-block;
position: relative;
color: red;
top: -0.2rem;
margin-left: 0.2rem;
}
`;
return <div>
<h2 css={[selectable, requiredStarStyles]}>
{question.name}<span className={question.required ? "required" : ""}>*</span>
</h2>
{ create_input(this.props, this.handler) }
<hr css={css`color: gray; margin: 3rem 0;`}/>
</div>;
}
}
}
export default RenderedQuestion;
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