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Placeholder

Specifies the placeholder for the RichTextEditor’s content used when the RichTextEditor body is empty through the placeholder property.

Through the rte-placeholder class to define our custom font family, font color, and styles to the placeholder text.

  .e-richtexteditor .rte-placeholder {
    font-family: monospace;
  }
Source
Preview
index.tsx
index.html
/**
 * RichTextEditor - Placeholder Sample
 */
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { RichTextEditorComponent, Toolbar, Inject, Image, Link, HtmlEditor, QuickToolbar } from '@syncfusion/ej2-react-richtexteditor';

export class DefaultRTE extends React.Component<{}, {}> {

  render() {
    return (
      <RichTextEditorComponent placeholder={'Type Something'}>
        <Inject services={[Toolbar, Image, Link, HtmlEditor, QuickToolbar]} />
      </RichTextEditorComponent>
    );
  }
}
ReactDOM.render(<DefaultRTE />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title> Syncfusion React RichTextEditor </title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
     <link href="//cdn.syncfusion.com/ej2/ej2-react-richtexteditor/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
    <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
    <div id='sample' style="margin: 20px auto 0;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

Character count

The RichTextEditor automatically counts the number of characters in the content are while typing using the showCharCount property. The characters count displayed at the bottom of the editor. You can limit the number of characters in your content using the maxLength property. By default, the editor sets the characters limit value is infinity.

The character count color will be modified based on the characters in the RichTextEditor.

Status Description
Normal Till 70% of given maxLength value, character count color is black.
Warning Once the number of character count in the RichTextEditor reached 70% of given maxLength value, the character count color will be orange, indicating that, the count value going to reach the maximum count.
Error Once the number of character count in the RichTextEditor reached 90% of given maxLength value, the character count color will be red, indicating that, the count value reached the maximum count.

To create RichTextEditor with character count feature, inject the Count module to the RTE using the RichTextEditor.Inject(Count) method.

Source
Preview
index.tsx
index.html
/**
 * RichTextEditor - Character Count Sample
 */
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { RichTextEditorComponent, Toolbar, Inject, Image, Link, HtmlEditor, QuickToolbar, Count } from '@syncfusion/ej2-react-richtexteditor';

export class DefaultRTE extends React.Component<{}, {}> {
  public value: string = `
  <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>`;
  render() {
    return (
      <RichTextEditorComponent height={450} showCharCount={true} maxLength={2000} value = {this.value}>
        <Inject services={[Toolbar, Image, Link, HtmlEditor, QuickToolbar, Count]} />
      </RichTextEditorComponent>
    );
  }
}
ReactDOM.render(<DefaultRTE />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title> Syncfusion React RichTextEditor </title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
     <link href="//cdn.syncfusion.com/ej2/ej2-react-richtexteditor/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
    <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
    <div id='sample' style="margin: 20px auto 0;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

Code view

RichTextEditor includes the ability for users to directly edit HTML code via Source View in the text area. If you made any modification in Source view directly, the changes will be reflected in the RichTextEditor’s content. So, the users will have more flexibility over the content they have created.

Source
Preview
index.tsx
index.html
/**
 * RichTextEditor - CodeView sample
 */
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { addClass, removeClass, Browser, createElement } from '@syncfusion/ej2-base';
import { RichTextEditorComponent, Toolbar, Inject, Image, Link, HtmlEditor, QuickToolbar, Count } from '@syncfusion/ej2-react-richtexteditor';

export class DefaultRTE extends React.Component<{}, {}> {
  private myCodeMirror: any;
  private textArea: HTMLElement;
  private rteObj: RichTextEditorComponent;

  private toolbarSettings: object = {
    items: ['SourceCode']
  }
  public value: string = `
  <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>`;

  private mirrorConversion(e: any): void {
    let id: string = this.rteObj.getID() + 'mirror-view';
    let mirrorView: HTMLElement = this.rteObj.element.querySelector('#' + id) as HTMLElement;
    let charCount: HTMLElement = this.rteObj.element.querySelector('.e-rte-character-count') as HTMLElement;
    if (e.targetItem === 'Preview') {
      this.textArea.style.display = 'block';
      mirrorView.style.display = 'none';
      this.textArea.innerHTML = this.myCodeMirror.getValue();
      charCount.style.display = 'block';
    } else {
      if (!mirrorView) {
          mirrorView = createElement('div', { className: 'e-content' });
          mirrorView.id = id;
          this.textArea.parentNode.appendChild(mirrorView);
      } else {
          mirrorView.innerHTML = '';
      }
      this.textArea.style.display = 'none';
      mirrorView.style.display = 'block';
      this.renderCodeMirror(mirrorView, this.rteObj.value);
      charCount.style.display = 'none';
    }
  }

  private renderCodeMirror(mirrorView: HTMLElement, content: string): void {
    this.myCodeMirror = CodeMirror(mirrorView, {
      value: content,
      lineNumbers: true,
      mode: 'text/html',
      lineWrapping: true,
    });
  }

  private actionComplete(e: any) {
    this.textArea = (this.rteObj as any).contentModule.getEditPanel() as HTMLElement;
    if (e.targetItem && (e.targetItem === 'SourceCode' || e.targetItem === 'Preview')) {
      this.rteObj.sourceCodeModule.getPanel().style.display = 'none';
      this.mirrorConversion(e);
    } else {
      setTimeout(() => {
        this.rteObj.toolbarModule.refreshToolbarOverflow();
      }, 400);
    }
  }

  private created(): void {
    this.textArea = (this.rteObj as any).contentModule.getEditPanel() as HTMLElement;
  }

  render() {
    return (
      <RichTextEditorComponent ref={(richtexteditor) => { this.rteObj = richtexteditor }} height={450} toolbarSettings={this.toolbarSettings} showCharCount={true} actionComplete={this.actionComplete.bind(this)} created={this.created.bind(this)}>
        <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, Count]} />
      </RichTextEditorComponent>
    );
  }
}
ReactDOM.render(<DefaultRTE />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title> Syncfusion React RichTextEditor </title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
     <link href="//cdn.syncfusion.com/ej2/ej2-react-richtexteditor/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <link href="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/codemirror.min.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/marked/0.3.19/marked.js" type="text/javascript"></script>
    <script src="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/codemirror.js" type="text/javascript"></script>
    <script src="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/javascript.js" type="text/javascript"></script>
    <script src="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/css.js" type="text/javascript"></script>
    <script src="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/xml.js" type="text/javascript"></script>
    <script src="https://jsplayground.syncfusion.com/16.1.0.24/scripts/web/codemirror/htmlmixed.js" type="text/javascript"></script>
    <script src="systemjs.config.js"></script>
    <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }

        .CodeMirror-linenumbers {
          display: none;
        }
        
        .CodeMirror-gutters {
          border: 0;
        }
    </style>
</head>

<body>
    <div id='sample' style="margin: 20px auto 0;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

Undo/Redo manager

Undo and redo tools allow you to edit the text by disregard/cancel the recently made changes and restore it to previous state. It is a useful tool to restore the performed action which got changed by mistake. By default, upto 30 actions can be undo/redo in the editor.

To undo and redo operations, do one of the following:

  • Press the undo/redo button on the toolbar.
  • Press the Ctrl + Z/Ctrl + Y combination on the keyboard.

Customize the undo/redo step count using the undoRedoSteps property. By default, undo/redo actions take 300ms time interval for store the action to the undoRedoManager. The time interval can be customized by using the undoRedoTimer.

Source
Preview
index.tsx
index.html
/**
 * RichTextEditor - Undo/Redo Manager Sample
 */
import * as ReactDOM from 'react-dom';
import * as React from 'react';
import { RichTextEditorComponent, Toolbar, Inject, Image, Link, HtmlEditor, QuickToolbar } from '@syncfusion/ej2-react-richtexteditor';

export class DefaultRTE extends React.Component<{}, {}> {
  private toolbarSettings: object = {
    items: ['Undo', 'Redo']
  }

  render() {
    return (
      <RichTextEditorComponent  height={450} toolbarSettings={this.toolbarSettings} UndoRedoSteps={50} UndoRedoTimer={400}>
        <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>
    );
  }
}
ReactDOM.render(<DefaultRTE />, document.getElementById('sample'));
<!DOCTYPE html>
<html lang="en">

<head>
    <title> Syncfusion React RichTextEditor </title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
     <link href="//cdn.syncfusion.com/ej2/ej2-react-richtexteditor/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-lists/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-buttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-navigations/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-splitbuttons/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-react-dropdowns/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
    <style>
        #loader {
            color: #008cff;
            height: 40px;
            left: 45%;
            position: absolute;
            top: 45%;
            width: 30%;
        }
    </style>
</head>

<body>
    <div id='sample' style="margin: 20px auto 0;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>
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