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carbon/pages/editor.js

257 lines
7.2 KiB
JavaScript

// Theirs
import React from 'react'
import HTML5Backend from 'react-dnd-html5-backend'
import { DragDropContext } from 'react-dnd'
import domtoimage from 'dom-to-image'
import ReadFileDropContainer, { DATA_URL, TEXT } from 'dropperx'
// Ours
import Page from '../components/Page'
import Button from '../components/Button'
import Dropdown from '../components/Dropdown'
import BackgroundSelect from '../components/BackgroundSelect'
import Settings from '../components/Settings'
import Toolbar from '../components/Toolbar'
import Overlay from '../components/Overlay'
import Carbon from '../components/Carbon'
import api from '../lib/api'
import {
THEMES,
THEMES_HASH,
LANGUAGES,
LANGUAGE_MIME_HASH,
LANGUAGE_MODE_HASH,
LANGUAGE_NAME_HASH,
DEFAULT_LANGUAGE,
DEFAULT_THEME,
COLORS,
DEFAULT_CODE,
DEFAULT_BG_COLOR,
DEFAULT_SETTINGS
} from '../lib/constants'
import { getQueryStringState, updateQueryString } from '../lib/routing'
import { getState, saveState } from '../lib/util'
const removeQueryString = str => {
const qI = str.indexOf('?')
return (qI >= 0 ? str.substr(0, qI) : str)
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/\//g, '&#x2F;')
}
class Editor extends React.Component {
static async getInitialProps({ asPath, query }) {
const path = removeQueryString(asPath.split('/').pop())
const queryParams = getQueryStringState(query)
const initialState = Object.keys(queryParams).length ? queryParams : null
try {
// TODO fix this hack
if (path.length >= 19 && path.indexOf('.') === -1) {
const content = await api.getGist(path)
return { content, initialState }
}
} catch (e) {
console.log(e)
}
return { initialState }
}
constructor(props) {
super(props)
this.state = Object.assign(
{
backgroundMode: 'color',
backgroundColor: DEFAULT_BG_COLOR,
backgroundImage: null,
backgroundImageSelection: null,
theme: DEFAULT_THEME.id,
language: DEFAULT_LANGUAGE,
dropShadow: true,
dropShadowOffsetY: '20px',
dropShadowBlurRadius: '68px',
windowControls: true,
widthAdjustment: true,
lineNumbers: false,
paddingVertical: '48px',
paddingHorizontal: '32px',
uploading: false,
code: props.content,
_initialState: this.props.initialState
},
this.props.initialState
)
this.save = this.save.bind(this)
this.upload = this.upload.bind(this)
this.updateCode = this.updateCode.bind(this)
this.updateAspectRatio = this.updateAspectRatio.bind(this)
this.resetDefaultSettings = this.resetDefaultSettings.bind(this)
}
componentDidMount() {
// Load from localStorage instead of query params
if (!this.state._initialState) {
const state = getState(localStorage)
if (state) {
this.setState(state)
}
}
}
componentDidUpdate() {
updateQueryString(this.state)
const s = { ...this.state }
delete s.code
delete s.backgroundImage
delete s.backgroundImageSelection
saveState(localStorage, s)
}
getCarbonImage() {
const node = document.getElementById('export-container')
const config = {
style: {
transform: 'scale(2)',
'transform-origin': 'center'
},
filter: n => (n.className ? String(n.className).indexOf('eliminateOnRender') < 0 : true),
width: node.offsetWidth * 2,
height: node.offsetHeight * 2
}
return domtoimage.toPng(node, config)
}
updateCode(code) {
this.setState({ code })
}
updateAspectRatio(aspectRatio) {
this.setState({ aspectRatio })
}
save() {
this.getCarbonImage().then(dataUrl => {
const link = document.createElement('a')
link.download = 'carbon.png'
link.href = dataUrl
document.body.appendChild(link)
link.click()
link.remove()
})
}
resetDefaultSettings() {
this.setState(DEFAULT_SETTINGS)
localStorage.clear()
}
upload() {
this.setState({ uploading: true })
this.getCarbonImage()
.then(api.tweet)
.then(() => this.setState({ uploading: false }))
.catch(err => {
console.error(err)
this.setState({ uploading: false })
})
}
isImage(file) {
return file.type.split('/')[0] === 'image'
}
render() {
return (
<Page enableHeroText>
<div id="editor">
<Toolbar>
<Dropdown
selected={THEMES_HASH[this.state.theme] || DEFAULT_THEME}
list={THEMES}
onChange={theme => this.setState({ theme: theme.id })}
/>
<Dropdown
selected={
LANGUAGE_NAME_HASH[this.state.language] ||
LANGUAGE_MIME_HASH[this.state.language] ||
LANGUAGE_MODE_HASH[this.state.language]
}
list={LANGUAGES}
onChange={language => this.setState({ language: language.mime || language.mode })}
/>
<BackgroundSelect onChange={changes => this.setState(changes)} config={this.state} />
<Settings
onChange={(key, value) => this.setState({ [key]: value })}
enabled={this.state}
resetDefaultSettings={this.resetDefaultSettings}
/>
<div className="buttons">
<Button
className="tweetButton"
onClick={this.upload}
title={this.state.uploading ? 'Loading...' : 'Tweet Image'}
color="#57b5f9"
style={{ marginRight: '8px' }}
/>
<Button onClick={this.save} title="Save Image" color="#c198fb" />
</div>
</Toolbar>
<ReadFileDropContainer
readAs={file => {
if (this.isImage(file)) {
return DATA_URL
}
return TEXT
}}
onDrop={([file]) => {
if (this.isImage(file)) {
this.setState({
backgroundImage: file.content,
backgroundImageSelection: null,
backgroundMode: 'image'
})
} else {
this.setState({ code: file.content })
}
}}
>
{({ isOver, canDrop }) => (
<Overlay
isOver={isOver || canDrop}
title={`Drop your file here to import ${isOver ? '✋' : '✊'}`}
>
<Carbon
config={this.state}
updateCode={code => this.updateCode(code)}
onAspectRatioChange={this.updateAspectRatio}
>
{this.state.code || DEFAULT_CODE}
</Carbon>
</Overlay>
)}
</ReadFileDropContainer>
</div>
<style jsx>{`
#editor {
background: ${COLORS.BLACK};
border: 3px solid ${COLORS.SECONDARY};
border-radius: 8px;
padding: 16px;
}
.buttons {
display: flex;
margin-left: auto;
}
`}</style>
</Page>
)
}
}
export default DragDropContext(HTML5Backend)(Editor)