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Html Editor

Overview

Documentation

The HtmlEditor widget is a client-side WYSIWYG text editor. The editor allows users to format text and integrate media elements into documents. The result can be exported to HTML or Markdown.

Users can edit and customize content using the toolbar that can contain predefined and custom controls. To specify the available controls, use the items array. In this demo, the toolbar contains predefined controls.

You can use the toolbar.multiline property to arrange the toolbar controls into multiple rows.

Users can resize media files when the mediaResizing is enabled. Currently, only images are supported.

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<dx-html-editor height="550px"> <dxo-toolbar [multiline]="isMultiline"> <dxi-item formatName="undo"></dxi-item> <dxi-item formatName="redo"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="size" [formatValues]="['8pt', '10pt', '12pt', '14pt', '18pt', '24pt', '36pt']"></dxi-item> <dxi-item formatName="font" [formatValues]="['Arial', 'Courier New', 'Georgia', 'Impact', 'Lucida Console', 'Tahoma', 'Times New Roman', 'Verdana']"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="bold"></dxi-item> <dxi-item formatName="italic"></dxi-item> <dxi-item formatName="strike"></dxi-item> <dxi-item formatName="underline"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="alignLeft"></dxi-item> <dxi-item formatName="alignCenter"></dxi-item> <dxi-item formatName="alignRight"></dxi-item> <dxi-item formatName="alignJustify"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="orderedList"></dxi-item> <dxi-item formatName="bulletList"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="header" [formatValues]="[false, 1, 2, 3, 4, 5]"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="color"></dxi-item> <dxi-item formatName="background"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="link"></dxi-item> <dxi-item formatName="image"></dxi-item> <dxi-item formatName="separator"></dxi-item> <dxi-item formatName="clear"></dxi-item> <dxi-item formatName="codeBlock"></dxi-item> <dxi-item formatName="blockquote"></dxi-item> </dxo-toolbar> <dxo-media-resizing [enabled]=true> </dxo-media-resizing> <h2> <img src="../../../../images/widgets/HtmlEditor.svg" alt="HtmlEditor"> Formatted Text Editor (HTML Editor) </h2> <br> <p>DevExtreme HTML5 JavaScript HTML Editor is a client-side WYSIWYG text editor that allows its users to format textual and visual content and store it as HTML or Markdown.</p> <p>Supported features:</p> <ul> <li>Inline formats: <ul> <li><strong>Bold</strong>, <em>italic</em>, <s>underlined</s> text formatting</li> <li>Font, size, color changes (HTML only)</li> </ul> </li> <li>Block formats: <ul> <li>Headers</li> <li>Text alignment</li> <li>Lists (ordered and unordered)</li> <li>Code blocks</li> <li>Quotes</li> </ul> </li> <li>Custom formats</li> <li>HTML and Markdown support</li> <li>Mail-merge placeholders (for example, %username%)</li> <li>Adaptive toolbar for working images, links, and color formats</li> <li>Insert images as a link or base64 (drag-and-drop images to convert them to base64)</li> <li>Copy-paste rich content (unsupported formats are removed)</li> </ul> </dx-html-editor> <div class="options"> <div class="caption">Options</div> <div class="option"> <dx-check-box text="Multiline toolbar" [(value)]="isMultiline" ></dx-check-box> </div> </div>
import { NgModule, Component, enableProdMode } from '@angular/core'; import { BrowserModule } from '@angular/platform-browser'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { DxHtmlEditorModule, DxCheckBoxModule } from 'devextreme-angular'; if(!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: 'app/app.component.html', styleUrls: ['app/app.component.css'] }) export class AppComponent { isMultiline: boolean = true; } @NgModule({ imports: [ BrowserModule, DxHtmlEditorModule, DxCheckBoxModule ], declarations: [AppComponent], bootstrap: [AppComponent] }) export class AppModule { } platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep .dx-htmleditor-content img { vertical-align: middle; padding-right: 10px; } ::ng-deep .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } ::ng-deep .caption { font-size: 18px; font-weight: 500; } ::ng-deep .option { margin-top: 10px; }
// In real applications, you should not transpile code in the browser. You can see how to create your own application with Angular and DevExtreme here: // https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/ System.config({ transpiler: 'ts', typescriptOptions: { module: "system", emitDecoratorMetadata: true, experimentalDecorators: true }, meta: { 'typescript': { "exports": "ts" }, }, paths: { 'npm:': 'https://unpkg.com/' }, map: { 'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js', 'typescript': 'npm:typescript@3.4.5/lib/typescript.js', '@angular': 'npm:@angular', 'tslib': 'npm:tslib/tslib.js', 'rxjs': 'npm:rxjs', 'devextreme': 'npm:devextreme@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.0', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.0', 'devextreme-angular': 'npm:devextreme-angular@20.1' }, packages: { 'app': { main: './app.component.ts', defaultExtension: 'ts' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, packageConfigPaths: [ "npm:*/package.json", "npm:@angular/*/package.json", "npm:@angular/common/*/package.json", "npm:rxjs/operators/package.json", "npm:devextreme-angular@20.1/*/package.json", "npm:devextreme-angular@20.1/ui/*/package.json", ] });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.3/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script> <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script src="config.js"></script> <script> System.import('app').catch(console.error.bind(console)); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> </body> </html>