p5.js-web-editor/client/modules/IDE/components/Editor.jsx

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import React from 'react';
import CodeMirror from 'codemirror';
import 'codemirror/mode/javascript/javascript';
import 'codemirror/addon/selection/active-line'
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class Editor extends React.Component {
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_cm: CodeMirror.Editor
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componentDidMount() {
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this._cm = CodeMirror(this.refs.container, {
theme: 'p5-widget',
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value: this.props.content,
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lineNumbers: true,
styleActiveLine: true,
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mode: 'javascript'
});
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this._cm.on('change', () => {
this.props.updateFile("sketch.js", this._cm.getValue());
});
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this._cm.getWrapperElement().style['font-size'] = this.props.fontSize+'px';
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}
componentDidUpdate(prevProps) {
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if (this.props.content !== prevProps.content &&
this.props.content !== this._cm.getValue()) {
this._cm.setValue(this.props.content);
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}
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if (this.props.fontSize !== prevProps.fontSize) {
this._cm.getWrapperElement().style['font-size'] = this.props.fontSize+'px';
}
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}
componentWillUnmount() {
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this._cm = null;
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}
render() {
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return <div ref="container" className="editor-holder"></div>;
}
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}
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export default Editor;