lbry-desktop/ui/component/common/form-components/form-field.jsx

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// @flow
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import type { ElementRef } from 'react';
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import React from 'react';
import ReactDOMServer from 'react-dom/server';
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import SimpleMDE from 'react-simplemde-editor';
import MarkdownPreview from 'component/common/markdown-preview-internal';
import { openEditorMenu, stopContextMenu } from 'util/context-menu';
import { MAX_CHARACTERS_IN_COMMENT as defaultTextAreaLimit } from 'constants/comments';
import 'easymde/dist/easymde.min.css';
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type Props = {
name: string,
label?: string,
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render?: () => React$Node,
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prefix?: string,
postfix?: string,
error?: string | boolean,
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helper?: string | React$Node,
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type?: string,
onChange?: any => any,
defaultValue?: string | number,
placeholder?: string | number,
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children?: React$Node,
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stretch?: boolean,
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affixClass?: string, // class applied to prefix/postfix label
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autoFocus?: boolean,
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labelOnLeft: boolean,
inputProps?: {
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disabled?: boolean,
},
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inputButton?: React$Node,
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blockWrap: boolean,
charCount?: number,
textAreaMaxLength?: number,
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};
export class FormField extends React.PureComponent<Props> {
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static defaultProps = {
labelOnLeft: false,
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blockWrap: true,
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};
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input: { current: ElementRef<any> };
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constructor(props: Props) {
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super(props);
this.input = React.createRef();
}
componentDidMount() {
const { autoFocus } = this.props;
const input = this.input.current;
if (input && autoFocus) {
input.focus();
}
}
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render() {
const {
render,
label,
prefix,
postfix,
error,
helper,
name,
type,
children,
stretch,
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affixClass,
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autoFocus,
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inputButton,
labelOnLeft,
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blockWrap,
charCount,
textAreaMaxLength = defaultTextAreaLimit,
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...inputProps
} = this.props;
const errorMessage = typeof error === 'object' ? error.message : error;
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const Wrapper = blockWrap
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? ({ children: innerChildren }) => <fieldset-section class="radio">{innerChildren}</fieldset-section>
: ({ children: innerChildren }) => <span className="radio">{innerChildren}</span>;
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let input;
if (type) {
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if (type === 'radio') {
input = (
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<Wrapper>
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<input id={name} type="radio" {...inputProps} />
<label htmlFor={name}>{label}</label>
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</Wrapper>
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);
} else if (type === 'checkbox') {
input = (
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<div className="checkbox">
<input id={name} type="checkbox" {...inputProps} />
<label htmlFor={name}>{label}</label>
</div>
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);
} else if (type === 'select') {
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input = (
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<fieldset-section>
{label && <label htmlFor={name}>{label}</label>}
<select id={name} {...inputProps}>
{children}
</select>
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</fieldset-section>
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);
} else if (type === 'markdown') {
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const handleEvents = {
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contextmenu: openEditorMenu,
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};
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input = (
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<div className="form-field--SimpleMDE" onContextMenu={stopContextMenu}>
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<fieldset-section>
<label htmlFor={name}>{label}</label>
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<SimpleMDE
{...inputProps}
id={name}
type="textarea"
events={handleEvents}
options={{
spellChecker: false,
hideIcons: ['heading', 'image', 'fullscreen', 'side-by-side'],
previewRender(plainText) {
const preview = <MarkdownPreview content={plainText} />;
return ReactDOMServer.renderToString(preview);
},
}}
/>
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</fieldset-section>
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</div>
);
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} else if (type === 'textarea') {
const hasCharCount = charCount !== undefined && charCount >= 0;
const countInfo = hasCharCount && (
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<span className="comment__char-count">{`${charCount || '0'}/${textAreaMaxLength}`}</span>
);
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input = (
<fieldset-section>
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<label htmlFor={name}>{label}</label>
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<textarea type={type} id={name} maxLength={textAreaMaxLength} ref={this.input} {...inputProps} />
{countInfo}
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</fieldset-section>
);
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} else {
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const inputElement = <input type={type} id={name} {...inputProps} ref={this.input} />;
const inner = inputButton ? (
<input-submit>
{inputElement}
{inputButton}
</input-submit>
) : (
inputElement
);
input = (
<React.Fragment>
<fieldset-section>
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{label && (
<label htmlFor={name}>
{errorMessage ? <span className="error-text">{errorMessage}</span> : label}
</label>
)}
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{prefix && <label htmlFor={name}>{prefix}</label>}
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{inner}
</fieldset-section>
</React.Fragment>
);
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}
}
return (
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<React.Fragment>
{input}
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{helper && <div className="form-field__help">{helper}</div>}
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</React.Fragment>
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);
}
}
export default FormField;