p5.js-web-editor/client/modules/IDE/components/PreviewFrame.js
2016-07-19 21:36:21 -04:00

126 lines
3.8 KiB
JavaScript

import React, { PropTypes } from 'react';
import ReactDOM from 'react-dom';
import escapeStringRegexp from 'escape-string-regexp';
import srcDoc from 'srcdoc-polyfill';
class PreviewFrame extends React.Component {
componentDidMount() {
if (this.props.isPlaying) {
this.renderFrameContents();
}
}
componentDidUpdate(prevProps) {
if (this.props.isPlaying !== prevProps.isPlaying) {
this.renderSketch();
}
if (this.props.isPlaying && this.props.content !== prevProps.content) {
this.renderSketch();
}
}
componentWillUnmount() {
ReactDOM.unmountComponentAtNode(ReactDOM.findDOMNode(this).contentDocument.body);
}
clearPreview() {
const doc = ReactDOM.findDOMNode(this);
doc.srcDoc = '';
}
injectLocalFiles() {
let htmlFile = this.props.htmlFile.content;
// have to build the array manually because the spread operator is only
// one level down...
const jsFiles = [];
this.props.jsFiles.forEach(jsFile => {
const newJSFile = { ...jsFile };
const jsFileStrings = newJSFile.content.match(/(['"])((\\\1|.)*?)\1/gm);
jsFileStrings.forEach(jsFileString => {
if (jsFileString.match(/^('|")(?!(http:\/\/|https:\/\/)).*\.(png|jpg|jpeg|gif|bmp)('|")$/)) {
const filePath = jsFileString.substr(1, jsFileString.length - 2);
let fileName = filePath;
if (fileName.match(/^\.\//)) {
fileName = fileName.substr(2, fileName.length - 1);
} else if (fileName.match(/^\//)) {
fileName = fileName.substr(1, fileName.length - 1);
}
this.props.files.forEach(file => {
if (file.name === fileName) {
newJSFile.content = newJSFile.content.replace(filePath, file.blobURL); // eslint-disable-line
}
});
}
});
jsFiles.push(newJSFile);
});
jsFiles.forEach(jsFile => {
const fileName = escapeStringRegexp(jsFile.name);
const fileRegex = new RegExp(`<script.*?src=('|")((\.\/)|\/)?${fileName}('|").*?>([\s\S]*?)<\/script>`, 'gmi');
htmlFile = htmlFile.replace(fileRegex, `<script>\n${jsFile.content}\n</script>`);
});
this.props.cssFiles.forEach(cssFile => {
const fileName = escapeStringRegexp(cssFile.name);
const fileRegex = new RegExp(`<link.*?href=('|")((\.\/)|\/)?${fileName}('|").*?>`, 'gmi');
htmlFile = htmlFile.replace(fileRegex, `<style>\n${cssFile.content}\n</style>`);
});
return htmlFile;
}
renderSketch() {
const doc = ReactDOM.findDOMNode(this);
if (this.props.isPlaying) {
// TODO add polyfill for this
// doc.srcdoc = this.injectLocalFiles();
srcDoc.set(doc, this.injectLocalFiles());
} else {
// doc.srcdoc = '';
srcDoc.set(doc, '');
doc.contentWindow.document.open();
doc.contentWindow.document.write('');
doc.contentWindow.document.close();
}
}
renderFrameContents() {
const doc = ReactDOM.findDOMNode(this).contentDocument;
if (doc.readyState === 'complete') {
this.renderSketch();
} else {
setTimeout(this.renderFrameContents, 0);
}
}
render() {
return (
<iframe
className="preview-frame"
role="region"
tabIndex="0"
frameBorder="0"
title="sketch output"
sandbox="allow-scripts allow-pointer-lock allow-same-origin allow-popups allow-modals allow-forms"
></iframe>
);
}
}
PreviewFrame.propTypes = {
isPlaying: PropTypes.bool.isRequired,
head: PropTypes.object.isRequired,
content: PropTypes.string.isRequired,
htmlFile: PropTypes.shape({
content: PropTypes.string.isRequired
}),
jsFiles: PropTypes.array.isRequired,
cssFiles: PropTypes.array.isRequired,
files: PropTypes.array.isRequired
};
export default PreviewFrame;