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

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import React, { PropTypes } from 'react';
import EditorAccessibility from '../components/EditorAccessibility';
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import CodeMirror from 'codemirror';
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import beautifyJS from 'js-beautify';
const beautifyCSS = beautifyJS.css;
const beautifyHTML = beautifyJS.html;
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import 'codemirror/mode/javascript/javascript';
import 'codemirror/mode/css/css';
import 'codemirror/mode/htmlmixed/htmlmixed';
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import 'codemirror/addon/selection/active-line';
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import 'codemirror/addon/lint/lint';
import 'codemirror/addon/lint/javascript-lint';
import 'codemirror/addon/lint/css-lint';
import 'codemirror/addon/lint/html-lint';
import 'codemirror/addon/comment/comment';
import 'codemirror/keymap/sublime';
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import 'codemirror/addon/search/jump-to-line';
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import { JSHINT } from 'jshint';
window.JSHINT = JSHINT;
import { CSSLint } from 'csslint';
window.CSSLint = CSSLint;
import { HTMLHint } from 'htmlhint';
window.HTMLHint = HTMLHint;
const beepUrl = require('../../../sounds/audioAlert.mp3');
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import InlineSVG from 'react-inlinesvg';
const downArrowUrl = require('../../../images/down-arrow.svg');
import classNames from 'classnames';
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import { debounce } from 'throttle-debounce';
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class Editor extends React.Component {
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constructor(props) {
super(props);
this.tidyCode = this.tidyCode.bind(this);
}
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componentDidMount() {
this.beep = new Audio(beepUrl);
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this._cm = CodeMirror(this.refs.container, { // eslint-disable-line
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theme: `p5-${this.props.theme}`,
value: this.props.file.content,
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lineNumbers: true,
styleActiveLine: true,
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inputStyle: 'contenteditable',
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mode: 'javascript',
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lineWrapping: true,
gutters: ['CodeMirror-lint-markers'],
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keyMap: 'sublime',
lint: {
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onUpdateLinting: debounce(2000, (annotations) => {
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this.props.clearLintMessage();
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annotations.forEach((x) => {
if (x.from.line > -1) {
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this.props.updateLintMessage(x.severity, (x.from.line + 1), x.message);
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}
});
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if (this.props.lintMessages.length > 0 && this.props.lintWarning) {
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this.beep.play();
}
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})
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}
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});
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this._cm.on('change', debounce(200, () => {
this.props.setUnsavedChanges(true);
this.props.updateFileContent(this.props.file.name, this._cm.getValue());
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}));
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this._cm.on('keyup', () => {
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const temp = `line ${parseInt((this._cm.getCursor().line) + 1, 10)}`;
document.getElementById('current-line').innerHTML = temp;
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});
this._cm.on('keydown', (_cm, e) => {
if (e.key === 'Tab' && e.shiftKey) {
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this.tidyCode();
}
});
this._cm.getWrapperElement().style['font-size'] = `${this.props.fontSize}px`;
this._cm.setOption('indentWithTabs', this.props.isTabIndent);
this._cm.setOption('tabSize', this.props.indentationAmount);
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}
componentDidUpdate(prevProps) {
if (this.props.file.content !== prevProps.file.content &&
this.props.file.content !== this._cm.getValue()) {
this._cm.setValue(this.props.file.content); // eslint-disable-line no-underscore-dangle
setTimeout(() => this.props.setUnsavedChanges(false), 500);
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}
if (this.props.fontSize !== prevProps.fontSize) {
this._cm.getWrapperElement().style['font-size'] = `${this.props.fontSize}px`;
}
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if (this.props.indentationAmount !== prevProps.indentationAmount) {
this._cm.setOption('tabSize', this.props.indentationAmount);
}
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if (this.props.isTabIndent !== prevProps.isTabIndent) {
this._cm.setOption('indentWithTabs', this.props.isTabIndent);
}
if (this.props.file.name !== prevProps.name) {
if (this.props.file.name.match(/.+\.js$/)) {
this._cm.setOption('mode', 'javascript');
} else if (this.props.file.name.match(/.+\.css$/)) {
this._cm.setOption('mode', 'css');
} else if (this.props.file.name.match(/.+\.html$/)) {
this._cm.setOption('mode', 'htmlmixed');
}
}
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if (this.props.theme !== prevProps.theme) {
this._cm.setOption('theme', `p5-${this.props.theme}`);
}
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}
componentWillUnmount() {
this._cm = null;
}
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tidyCode() {
const beautifyOptions = {
indent_size: this.props.indentationAmount,
indent_with_tabs: this.props.isTabIndent
};
const mode = this._cm.getOption('mode');
if (mode === 'javascript') {
this._cm.doc.setValue(beautifyJS(this._cm.doc.getValue(), beautifyOptions));
} else if (mode === 'css') {
this._cm.doc.setValue(beautifyCSS(this._cm.doc.getValue(), beautifyOptions));
} else if (mode === 'htmlmixed') {
this._cm.doc.setValue(beautifyHTML(this._cm.doc.getValue(), beautifyOptions));
}
}
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_cm: CodeMirror.Editor
render() {
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const editorSectionClass = classNames({
editor: true,
'editor--options': this.props.editorOptionsVisible
});
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return (
<section
title="code editor"
role="main"
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className={editorSectionClass}
>
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<button
className="editor__options-button"
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tabIndex="0"
onClick={(e) => {
e.target.focus();
this.props.showEditorOptions();
}}
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onBlur={() => setTimeout(this.props.closeEditorOptions, 200)}
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>
<InlineSVG src={downArrowUrl} />
</button>
<ul className="editor__options">
<li>
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<a onClick={this.tidyCode}>Tidy</a>
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</li>
<li>
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<a onClick={this.props.showKeyboardShortcutModal}>Keyboard Shortcuts</a>
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</li>
</ul>
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<div ref="container" className="editor-holder" tabIndex="0">
</div>
<EditorAccessibility
lintMessages={this.props.lintMessages}
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lineNumber={this.props.lineNumber}
/>
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</section>
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);
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}
}
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Editor.propTypes = {
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lintWarning: PropTypes.bool.isRequired,
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lineNumber: PropTypes.string.isRequired,
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lintMessages: PropTypes.array.isRequired,
updateLintMessage: PropTypes.func.isRequired,
clearLintMessage: PropTypes.func.isRequired,
updateLineNumber: PropTypes.func.isRequired,
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indentationAmount: PropTypes.number.isRequired,
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isTabIndent: PropTypes.bool.isRequired,
updateFileContent: PropTypes.func.isRequired,
fontSize: PropTypes.number.isRequired,
file: PropTypes.shape({
name: PropTypes.string.isRequired,
content: PropTypes.string.isRequired
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}),
editorOptionsVisible: PropTypes.bool.isRequired,
showEditorOptions: PropTypes.func.isRequired,
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closeEditorOptions: PropTypes.func.isRequired,
showKeyboardShortcutModal: PropTypes.func.isRequired,
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setUnsavedChanges: PropTypes.func.isRequired,
theme: PropTypes.string.isRequired,
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};
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export default Editor;