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carbon/pages/embed.js

124 lines
2.6 KiB
JavaScript

// Theirs
import React from 'react'
import Head from 'next/head'
import { withRouter } from 'next/router'
import morph from 'morphmorph'
// Ours
import ApiContext from '../components/ApiContext'
import { StylesheetLink, CodeMirrorLink, MetaTags } from '../components/Meta'
import Carbon from '../components/Carbon'
import { DEFAULT_CODE, DEFAULT_SETTINGS } from '../lib/constants'
import { getRouteState } from '../lib/routing'
const isInIFrame = morph.get('parent.window.parent')
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const getParent = win => {
const iFrame = isInIFrame(win)
if (iFrame) {
return iFrame
}
return win.parent
}
const Page = props => (
<React.Fragment>
<Head>
<title>Carbon Embeds</title>
</Head>
<MetaTags />
<StylesheetLink theme={props.theme} />
<CodeMirrorLink />
{props.children}
<style jsx global>
{`
html,
body {
margin: 0;
background: transparent;
min-height: 0;
}
`}
</style>
</React.Fragment>
)
class Embed extends React.Component {
static contextType = ApiContext
state = {
...DEFAULT_SETTINGS,
code: DEFAULT_CODE,
mounted: false,
readOnly: true
}
async componentDidMount() {
const { queryState, parameter } = getRouteState(this.props.router)
let gistState
if (this.context.gist && parameter) {
const gist = await this.context.gist.get(parameter)
gistState = gist && gist.config
}
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this.setState(
{
...gistState,
...queryState,
copyable: queryState.copy !== false,
readOnly: queryState.readonly !== false,
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mounted: true
},
this.postMessage
)
}
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ref = React.createRef()
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postMessage = () => {
getParent(window).postMessage(
JSON.stringify({
// Used by embed provider
src: window.location.toString(),
context: 'iframe.resize',
height: this.ref.current.offsetHeight
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}),
'*'
)
}
updateCode = code => {
this.setState({ code }, this.postMessage)
getParent(window).postMessage(
{
id: this.state.id ? `carbon:${this.state.id}` : 'carbon',
code
},
'*'
)
}
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render() {
return (
<Page theme={this.state.theme}>
{this.state.mounted && (
<Carbon
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ref={this.ref}
config={this.state}
readOnly={this.state.readOnly}
copyable={this.state.copyable}
onChange={this.updateCode}
>
{this.state.code}
</Carbon>
)}
</Page>
)
}
}
export default withRouter(Embed)