Skip to content

Instantly share code, notes, and snippets.

@ds604
Created October 27, 2018 22:42
Show Gist options
  • Save ds604/6e82cdbf4225b0fe1e7d9917e6bd3b1a to your computer and use it in GitHub Desktop.
Save ds604/6e82cdbf4225b0fe1e7d9917e6bd3b1a to your computer and use it in GitHub Desktop.
Rich Text Editor - Draft.js example
<!--
Source https://github.com/facebook/draft-js/tree/master/examples/draft-0-10-0/rich
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Draft • Rich Text</title>
<style>
#target { width: 600px; }
</style>
</head>
<body>
<div id="target"></div>
</body>
</html>
'use strict';
const {Editor, EditorState, RichUtils} = Draft;
class RichEditorExample extends React.Component {
constructor(props) {
super(props);
this.state = {editorState: EditorState.createEmpty()};
this.focus = () => this.refs.editor.focus();
this.onChange = (editorState) => this.setState({editorState});
this.handleKeyCommand = (command) => this._handleKeyCommand(command);
this.onTab = (e) => this._onTab(e);
this.toggleBlockType = (type) => this._toggleBlockType(type);
this.toggleInlineStyle = (style) => this._toggleInlineStyle(style);
}
_handleKeyCommand(command) {
const {editorState} = this.state;
const newState = RichUtils.handleKeyCommand(editorState, command);
if (newState) {
this.onChange(newState);
return true;
}
return false;
}
_onTab(e) {
const maxDepth = 4;
this.onChange(RichUtils.onTab(e, this.state.editorState, maxDepth));
}
_toggleBlockType(blockType) {
this.onChange(
RichUtils.toggleBlockType(
this.state.editorState,
blockType
)
);
}
_toggleInlineStyle(inlineStyle) {
this.onChange(
RichUtils.toggleInlineStyle(
this.state.editorState,
inlineStyle
)
);
}
render() {
const {editorState} = this.state;
// If the user changes block type before entering any text, we can
// either style the placeholder or hide it. Let's just hide it now.
let className = 'RichEditor-editor';
var contentState = editorState.getCurrentContent();
if (!contentState.hasText()) {
if (contentState.getBlockMap().first().getType() !== 'unstyled') {
className += ' RichEditor-hidePlaceholder';
}
}
return (
<div className="RichEditor-root">
<BlockStyleControls
editorState={editorState}
onToggle={this.toggleBlockType}
/>
<InlineStyleControls
editorState={editorState}
onToggle={this.toggleInlineStyle}
/>
<div className={className} onClick={this.focus}>
<Editor
blockStyleFn={getBlockStyle}
customStyleMap={styleMap}
editorState={editorState}
handleKeyCommand={this.handleKeyCommand}
onChange={this.onChange}
onTab={this.onTab}
placeholder="Tell a story..."
ref="editor"
spellCheck={true}
/>
</div>
</div>
);
}
}
// Custom overrides for "code" style.
const styleMap = {
CODE: {
backgroundColor: 'rgba(0, 0, 0, 0.05)',
fontFamily: '"Inconsolata", "Menlo", "Consolas", monospace',
fontSize: 16,
padding: 2,
},
};
function getBlockStyle(block) {
switch (block.getType()) {
case 'blockquote': return 'RichEditor-blockquote';
default: return null;
}
}
class StyleButton extends React.Component {
constructor() {
super();
this.onToggle = (e) => {
e.preventDefault();
this.props.onToggle(this.props.style);
};
}
render() {
let className = 'RichEditor-styleButton';
if (this.props.active) {
className += ' RichEditor-activeButton';
}
return (
<span className={className} onMouseDown={this.onToggle}>
{this.props.label}
</span>
);
}
}
const BLOCK_TYPES = [
{label: 'H1', style: 'header-one'},
{label: 'H2', style: 'header-two'},
{label: 'H3', style: 'header-three'},
{label: 'H4', style: 'header-four'},
{label: 'H5', style: 'header-five'},
{label: 'H6', style: 'header-six'},
{label: 'Blockquote', style: 'blockquote'},
{label: 'UL', style: 'unordered-list-item'},
{label: 'OL', style: 'ordered-list-item'},
{label: 'Code Block', style: 'code-block'},
];
const BlockStyleControls = (props) => {
const {editorState} = props;
const selection = editorState.getSelection();
const blockType = editorState
.getCurrentContent()
.getBlockForKey(selection.getStartKey())
.getType();
return (
<div className="RichEditor-controls">
{BLOCK_TYPES.map((type) =>
<StyleButton
key={type.label}
active={type.style === blockType}
label={type.label}
onToggle={props.onToggle}
style={type.style}
/>
)}
</div>
);
};
var INLINE_STYLES = [
{label: 'Bold', style: 'BOLD'},
{label: 'Italic', style: 'ITALIC'},
{label: 'Underline', style: 'UNDERLINE'},
{label: 'Monospace', style: 'CODE'},
];
const InlineStyleControls = (props) => {
var currentStyle = props.editorState.getCurrentInlineStyle();
return (
<div className="RichEditor-controls">
{INLINE_STYLES.map(type =>
<StyleButton
key={type.label}
active={currentStyle.has(type.style)}
label={type.label}
onToggle={props.onToggle}
style={type.style}
/>
)}
</div>
);
};
ReactDOM.render(
<RichEditorExample />,
document.getElementById('target')
);
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.1/react-dom.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.1/immutable.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-core/5.8.34/browser.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/es6-shim/0.35.3/es6-shim.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/draft-js/0.10.0/Draft.js"></script>
.RichEditor-root {
background: #fff;
border: 1px solid #ddd;
font-family: 'Georgia', serif;
font-size: 14px;
padding: 15px;
}
.RichEditor-editor {
border-top: 1px solid #ddd;
cursor: text;
font-size: 16px;
margin-top: 10px;
}
.RichEditor-editor .public-DraftEditorPlaceholder-root,
.RichEditor-editor .public-DraftEditor-content {
margin: 0 -15px -15px;
padding: 15px;
}
.RichEditor-editor .public-DraftEditor-content {
min-height: 100px;
}
.RichEditor-hidePlaceholder .public-DraftEditorPlaceholder-root {
display: none;
}
.RichEditor-editor .RichEditor-blockquote {
border-left: 5px solid #eee;
color: #666;
font-family: 'Hoefler Text', 'Georgia', serif;
font-style: italic;
margin: 16px 0;
padding: 10px 20px;
}
.RichEditor-editor .public-DraftStyleDefault-pre {
background-color: rgba(0, 0, 0, 0.05);
font-family: 'Inconsolata', 'Menlo', 'Consolas', monospace;
font-size: 16px;
padding: 20px;
}
.RichEditor-controls {
font-family: 'Helvetica', sans-serif;
font-size: 14px;
margin-bottom: 5px;
user-select: none;
}
.RichEditor-styleButton {
color: #999;
cursor: pointer;
margin-right: 16px;
padding: 2px 0;
display: inline-block;
}
.RichEditor-activeButton {
color: #5890ff;
}
<link href="https://cdnjs.cloudflare.com/ajax/libs/draft-js/0.10.0/Draft.min.css" rel="stylesheet" />
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment