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Editor Modes in React RichTextEditor component

The Rich Text Editor component used to create and edit the content and return valid HTML markup or markdown (MD) of the content. It supports the following two editing formation.

  • HTML editor
  • Markdown editor

HTML editor

Rich Text Editor is a WYSIWYG editing control for formatting the word content as HTML.

The HTML editing mode is the default mode in Rich Text Editor to format the content through the available toolbar items to return the valid HTML markup. Set the editorMode property as HTML.

To create Rich Text Editor with HTML editing feature, inject the HtmlEditor module to the RTE using the RichTextEditor.Inject(HtmlEditor) method.

Source
Preview
App.tsx
App.css.jsx
App.jsx
index.jsx
/**
 * Rich Text Editor - HTMLEditor Sample
 */
import { HtmlEditor, Image, Inject, Link, QuickToolbar, RichTextEditorComponent, Toolbar } from '@syncfusion/ej2-react-richtexteditor';
import * as React from 'react';
import './App.css';

class App extends React.Component<{},{}> {
  public render() {
    return (
      <RichTextEditorComponent height={450}>
        <p>The Rich Text Editor component is WYSIWYG ("what you see is what you get") editor that provides the best user experience to create and update the content.
          Users can format their content using standard toolbar commands.</p>
        <p><b>Key features:</b></p>
        <ul>
          <li>
            <p>Provides &lt;IFRAME&gt; and &lt;DIV&gt; modes</p>
          </li>
          <li>
            <p>Capable of handling markdown editing.</p>
          </li>
          <li>
            <p>Contains a modular library to load the necessary functionality on demand.</p>
          </li>
          <li>
            <p>Provides a fully customizable toolbar.</p>
          </li>
          <li>
            <p>Provides HTML view to edit the source directly for developers.</p>
          </li>
          <li>
            <p>Supports third-party library integration.</p>
          </li>
          <li>
            <p>Allows preview of modified content before saving it.</p>
          </li>
          <li>
            <p>Handles images, hyperlinks, video, hyperlinks, uploads, etc.</p>
          </li>
          <li>
            <p>Contains undo/redo manager.</p>
          </li>
          <li>
            <p>Creates bulleted and numbered lists.</p>
          </li>
        </ul>
        <Inject services={[Toolbar, Image, Link, HtmlEditor, QuickToolbar]} />
      </RichTextEditorComponent>
    );
  }
}

export default App;
/**
 * Rich Text Editor - HTMLEditor Sample
 */
import { HtmlEditor, Image, Inject, Link, QuickToolbar, RichTextEditorComponent, Toolbar } from '@syncfusion/ej2-react-richtexteditor';
import * as React from 'react';
import './App.css';
class App extends React.Component {
    render() {
        return (<RichTextEditorComponent height={450}>
        <p>The Rich Text Editor component is WYSIWYG ("what you see is what you get") editor that provides the best user experience to create and update the content.
          Users can format their content using standard toolbar commands.</p>
        <p><b>Key features:</b></p>
        <ul>
          <li>
            <p>Provides &lt;IFRAME&gt; and &lt;DIV&gt; modes</p>
          </li>
          <li>
            <p>Capable of handling markdown editing.</p>
          </li>
          <li>
            <p>Contains a modular library to load the necessary functionality on demand.</p>
          </li>
          <li>
            <p>Provides a fully customizable toolbar.</p>
          </li>
          <li>
            <p>Provides HTML view to edit the source directly for developers.</p>
          </li>
          <li>
            <p>Supports third-party library integration.</p>
          </li>
          <li>
            <p>Allows preview of modified content before saving it.</p>
          </li>
          <li>
            <p>Handles images, hyperlinks, video, hyperlinks, uploads, etc.</p>
          </li>
          <li>
            <p>Contains undo/redo manager.</p>
          </li>
          <li>
            <p>Creates bulleted and numbered lists.</p>
          </li>
        </ul>
        <Inject services={[Toolbar, Image, Link, HtmlEditor, QuickToolbar]}/>
      </RichTextEditorComponent>);
    }
}
export default App;
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('sample'));

Markdown editor

Set the editorMode property as Markdown, to create or edit the content and apply formatting to view markdown formatted content.

The third-party library such as Marked or any other library is used to convert markdown into HTML content.

  • Supported tags are h6, h5, h4, h3, h2, h1, blockquote, pre, p, OL, and UL.
  • Supported selection tags are Bold, Italic, StrikeThrough, InlineCode, SubScript, SuperScript, UpperCase, and LowerCase.
Source
Preview
App.tsx
App.css.jsx
App.jsx
index.jsx
/**
 * Rich Text Editor - MarkdownEditor Sample
 */
import { createElement, KeyboardEventArgs } from '@syncfusion/ej2-base';
import { Image, Inject, Link, MarkdownEditor, QuickToolbar, RichTextEditorComponent, Toolbar } from '@syncfusion/ej2-react-richtexteditor';
import * as Marked from 'marked';
import * as React from 'react';
import './App.css';

class App extends React.Component<{},{}> {
  public rteObj: RichTextEditorComponent;

    // Rich Text Editor items list
    public items: object = ['Bold', 'Italic', 'StrikeThrough', '|',
    'Formats', 'OrderedList', 'UnorderedList', '|',
    'CreateLink', 'Image', '|',
    {
        template: '<button id="preview-code" class="e-tbar-btn e-control e-btn e-icon-btn">' +
        '<span class="e-btn-icon e-md-preview e-icons"></span></button>',
        tooltipText: 'Preview',
    }, '|', 'Undo', 'Redo'];

  public textArea: HTMLTextAreaElement;
  public mdsource: any;
  public mdPreview: HTMLElement;

  // Rich Text Editor ToolbarSettings
  public toolbarSettings: object = {
      items: this.items
  };
  // set the value to Rich Text Editor
  public template(): JSX.Element {
    return(<div>
    The sample is added to showcase **markdown editing**.
  Type or edit the content and apply formatting to view markdown formatted content.
  We can add our own custom formation syntax for the Markdown formation, [sample link](https://ej2.syncfusion.com/home/).
  The third-party library <b>Marked</b> is used in this sample to convert markdown into HTML content.
      </div>);
  };

    public markDownConversion(): void {
        if (this.mdsource.classList.contains('e-active')) {
            const id: string = this.rteObj.getID() + 'html-view';
            const htmlPreview: HTMLElement = this.rteObj.element.querySelector('#' + id) as any;
            htmlPreview.innerHTML = Marked(((this.rteObj as any).contentModule.getEditPanel() as HTMLTextAreaElement).value);
        }
    }
    public fullPreview(): void {
        const id: string = this.rteObj.getID() + 'html-preview';
        let htmlPreview: HTMLElement = (this.rteObj as any).element.querySelector('#' + id);
        if (this.mdsource.classList.contains('e-active')) {
            this.mdsource.classList.remove('e-active');
            this.mdsource.parentElement.title = 'Preview';
            this.textArea.style.display = 'block';
            htmlPreview.style.display = 'none';
        } else {
            this.mdsource.classList.add('e-active');
            if (!htmlPreview) {
                htmlPreview = createElement('div', { className: 'e-content e-pre-source' });
                htmlPreview.id = id;
                (this.textArea as any).parentNode.appendChild(htmlPreview);
            }
            this.textArea.style.display = 'none';
            htmlPreview.style.display = 'block';
            htmlPreview.innerHTML = Marked(((this.rteObj as any).contentModule.getEditPanel() as HTMLTextAreaElement).value);
            this.mdsource.parentElement.title = 'Code View';
        }
    }
    public rendereComplete(): void {
        this.textArea = (this.rteObj as any).contentModule.getEditPanel() as HTMLTextAreaElement;
        this.textArea.addEventListener('keyup', (e: KeyboardEventArgs) => {
            this.markDownConversion();
        });
        this.mdsource = document.getElementById('preview-code');
        this.mdsource.addEventListener('click', (e: MouseEvent) => {
            this.fullPreview();
            if ((e.currentTarget as HTMLElement).classList.contains('e-active')) {
                this.rteObj.disableToolbarItem(['Bold', 'Italic', 'StrikeThrough', 'OrderedList',
                'UnorderedList', 'CreateLink', 'Image', 'Formats', 'Undo', 'Redo']);
            } else {
                this.rteObj.enableToolbarItem(['Bold', 'Italic', 'StrikeThrough', 'OrderedList',
                'UnorderedList', 'CreateLink', 'Image', 'Formats', 'Undo', 'Redo']);
            }
        });
    }
    public render() {
        return (
          <RichTextEditorComponent id="markdownRTE" ref={(richtexteditor) => { this.rteObj = richtexteditor! }} editorMode='Markdown'
              height='250px' valueTemplate={this.template} toolbarSettings={this.toolbarSettings} >
              <Inject services={[MarkdownEditor, Toolbar, Image, Link, QuickToolbar]} />
              </RichTextEditorComponent>
        );
    }
}

export default App;
/**
 * Rich Text Editor - MarkdownEditor Sample
 */
import { createElement } from '@syncfusion/ej2-base';
import { Image, Inject, Link, MarkdownEditor, QuickToolbar, RichTextEditorComponent, Toolbar } from '@syncfusion/ej2-react-richtexteditor';
import * as Marked from 'marked';
import * as React from 'react';
import './App.css';
class App extends React.Component {
    constructor() {
        super(...arguments);
        // Rich Text Editor items list
        this.items = ['Bold', 'Italic', 'StrikeThrough', '|',
            'Formats', 'OrderedList', 'UnorderedList', '|',
            'CreateLink', 'Image', '|',
            {
                template: '<button id="preview-code" class="e-tbar-btn e-control e-btn e-icon-btn">' +
                    '<span class="e-btn-icon e-md-preview e-icons"></span></button>',
                tooltipText: 'Preview',
            }, '|', 'Undo', 'Redo'];
        // Rich Text Editor ToolbarSettings
        this.toolbarSettings = {
            items: this.items
        };
    }
    // set the value to Rich Text Editor
    template() {
        return (<div>
    The sample is added to showcase **markdown editing**.
  Type or edit the content and apply formatting to view markdown formatted content.
  We can add our own custom formation syntax for the Markdown formation, [sample link](https://ej2.syncfusion.com/home/).
  The third-party library <b>Marked</b> is used in this sample to convert markdown into HTML content.
      </div>);
    }
    ;
    markDownConversion() {
        if (this.mdsource.classList.contains('e-active')) {
            const id = this.rteObj.getID() + 'html-view';
            const htmlPreview = this.rteObj.element.querySelector('#' + id);
            htmlPreview.innerHTML = Marked(this.rteObj.contentModule.getEditPanel().value);
        }
    }
    fullPreview() {
        const id = this.rteObj.getID() + 'html-preview';
        let htmlPreview = this.rteObj.element.querySelector('#' + id);
        if (this.mdsource.classList.contains('e-active')) {
            this.mdsource.classList.remove('e-active');
            this.mdsource.parentElement.title = 'Preview';
            this.textArea.style.display = 'block';
            htmlPreview.style.display = 'none';
        }
        else {
            this.mdsource.classList.add('e-active');
            if (!htmlPreview) {
                htmlPreview = createElement('div', { className: 'e-content e-pre-source' });
                htmlPreview.id = id;
                this.textArea.parentNode.appendChild(htmlPreview);
            }
            this.textArea.style.display = 'none';
            htmlPreview.style.display = 'block';
            htmlPreview.innerHTML = Marked(this.rteObj.contentModule.getEditPanel().value);
            this.mdsource.parentElement.title = 'Code View';
        }
    }
    rendereComplete() {
        this.textArea = this.rteObj.contentModule.getEditPanel();
        this.textArea.addEventListener('keyup', (e) => {
            this.markDownConversion();
        });
        this.mdsource = document.getElementById('preview-code');
        this.mdsource.addEventListener('click', (e) => {
            this.fullPreview();
            if (e.currentTarget.classList.contains('e-active')) {
                this.rteObj.disableToolbarItem(['Bold', 'Italic', 'StrikeThrough', 'OrderedList',
                    'UnorderedList', 'CreateLink', 'Image', 'Formats', 'Undo', 'Redo']);
            }
            else {
                this.rteObj.enableToolbarItem(['Bold', 'Italic', 'StrikeThrough', 'OrderedList',
                    'UnorderedList', 'CreateLink', 'Image', 'Formats', 'Undo', 'Redo']);
            }
        });
    }
    render() {
        return (<RichTextEditorComponent id="markdownRTE" ref={(richtexteditor) => { this.rteObj = richtexteditor; }} editorMode='Markdown' height='250px' valueTemplate={this.template} toolbarSettings={this.toolbarSettings}>
              <Inject services={[MarkdownEditor, Toolbar, Image, Link, QuickToolbar]}/>
              </RichTextEditorComponent>);
    }
}
export default App;
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import App from './App';
ReactDOM.render(<App />, document.getElementById('sample'));

To create Rich Text Editor with Markdown editing feature, inject the MarkdownEditor module to the RTE using the RichTextEditor.Inject(MarkdownEditor) method.

For further details on Markdown editing, refer to the Markdown section.