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import React, { useEffect, useState, useRef } from 'react';
import { Text, Code } from '../components/Inputs'
import OptionsContainer from '../components/Options'
import Error from '../components/Err'
import PasteModal from '../components/modals/PasteModal'
import styled from 'styled-components'
import CodeRenderer from '../components/renderers/Code'
import Latex from '../components/renderers/Latex'
import Markdown from '../components/renderers/Markdown'
import {Button, SubmitButton} from "../components/Common/Button";
import {newPaste} from "../http/shared";
import {Watermark} from "../components/Watermark";
import {Labelled} from "../components/decorators/Labelled";
const Container = styled.form`
width: 100%;
`
const Flex = styled.div`
display: flex;
flex-direction: row;
`
const FlexLeft = styled.div`
flex: 0 0 calc(50% - 1em - 2px);
`
const FlexRight = styled.div`
flex: 0 0 50%;
max-width: calc(50% - 1em + 2px);
margin-left: 2em;
`
const PreviewWrapper = styled.div`
margin: 2em;
`
const NewPaste = () => {
const [title, setTitle] = useState('');
const [content, setContent] = useState('');
const [pass, setPass] = useState('');
const [language, setLanguage] = useState('detect');
const [expiry, setExpiry] = useState('');
const [hash, setHash] = useState('');
const [isPreview, setIsPreview] = useState(false);
const ErrorLabel = useRef(null);
useEffect(() => {
document.title = title === "" ? `ctrl-v` : `ctrl-v | ${title}`;
}, [title])
function handleSubmit(e) {
e.preventDefault();
// prevent resubmission
if (!hash) {
newPaste({title, content, language, pass, expiry})
.then(resp => {setHash(resp.data.hash)})
.catch((error) => {
const resp = error.response
// some weird err (e.g. network)
if (!resp) {
ErrorLabel.current.showMessage(error)
return
}
// some weird err
const errTxt = `${resp.status}: ${resp.data}`
ErrorLabel.current.showMessage(errTxt)
});
}
}
function renderPreview() {
const pasteInput = <Code
setContentCallback={setContent}
content={content}
maxLength="100000" />
if (isPreview) {
var preview
switch (language) {
case 'latex':
preview =
<PreviewWrapper>
<Latex
content={content} />
</PreviewWrapper>
break
case 'markdown':
preview =
<PreviewWrapper className='md' >
<Markdown
content={content} />
</PreviewWrapper>
break
default:
preview =
<CodeRenderer
lang={language}
theme='atom'
content={content} />
}
return (
<Flex>
<FlexLeft>
<Labelled label="content">
{pasteInput}
</Labelled>
</FlexLeft>
<FlexRight className='preview' >
<Labelled label="preview">
{preview}
</Labelled>
</FlexRight>
</Flex>
);
} else {
return (
<Labelled label="content">
{pasteInput}
</Labelled>
);
}
}
return (
<Container onSubmit={handleSubmit}>
<PasteModal hash={hash} />
<Text
label="title"
onChange={(e) => {setTitle(e.target.value)}}
value={title}
autoFocus
maxLength="100"
id="titleInput" />
{renderPreview()}
<OptionsContainer
pass={pass}
expiry={expiry}
lang={language}
onPassChange={(e) => { setPass(e.target.value) }}
onLangChange={(e) => { setLanguage(e.target.value) }}
onExpiryChange={(e) => { setExpiry(e.target.value) }} />
<div>
<SubmitButton type="submit" value="new paste" />
{language !== 'detect' && <Button
secondary
type="button"
onClick={() => setIsPreview(!isPreview)}>
preview
</Button>}
</div>
<br />
<Error ref={ErrorLabel} />
<Watermark/>
</Container>
);
}
export default NewPaste
|