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Data Grid
- Overview
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Data Binding
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Paging and Scrolling
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Editing
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Grouping
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Filtering and Sorting
- Focused Row
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Row Drag & Drop
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Selection
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Columns
- State Persistence
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Appearance
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Templates
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Data Summaries
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Master-Detail
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Export to PDF
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Export to Excel
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Adaptability
- Keyboard Navigation
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Pivot Grid
- Overview
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Data Binding
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Field Chooser
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Features
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Export to Excel
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Tree List
- Overview
-
Data Binding
- Sorting
- Paging
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Editing
- Node Drag & Drop
- Focused Row
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Selection
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Filtering
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Column Customization
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- Adaptability
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Scheduler
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Data Binding
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Views
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Features
- Virtual Scrolling
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Grouping
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Customization
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Html Editor
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Chat
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Diagram
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Data Binding
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Featured Shapes
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Custom Shapes
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Document Capabilities
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User Interaction
- UI Customization
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Charts
- Overview
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Data Binding
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Area Charts
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Bar Charts
- Bullet Charts
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Doughnut Charts
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Financial Charts
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Line Charts
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Pie Charts
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Point Charts
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Polar and Radar Charts
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Range Charts
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Sparkline Charts
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Tree Map
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Funnel and Pyramid Charts
- Sankey Chart
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Combinations
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More Features
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Export
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Selection
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Tooltips
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Zooming
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Gantt
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Data
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UI Customization
- Strip Lines
- Export to PDF
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Filtering
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Gauges
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Bar Gauge
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Circular Gauge
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Linear Gauge
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Menu
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Toolbar
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Editors
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Calendar
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Date Box
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Select Box
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Action Sheet
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Button
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Context Menu
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List
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Lookup
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Maps
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Map
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Vector Map
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Dialogs and Notifications
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Localization
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React Html Editor - Toolbar Customization
This demo shows how to add a custom control to the toolbar. The Show markup button opens a popup that displays the HtmlEditor’s output markup.
Was this demo helpful?
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Backend API
x
import React, { useCallback, useState, useMemo } from 'react';
import HtmlEditor, { Toolbar, Item, HtmlEditorTypes } from 'devextreme-react/html-editor';
import Popup from 'devextreme-react/popup';
import { markup } from './data.ts';
const headerValues = [false, 1, 2, 3, 4, 5];
const headerOptions = { inputAttr: { 'aria-label': 'Header' } };
export default function App() {
const [value, setValue] = useState(markup);
const [popupVisible, setPopupVisible] = useState(false);
const customButtonClick = useCallback(() => {
setPopupVisible(true);
}, [setPopupVisible]);
const getToolbarButtonOptions = useMemo(() => ({
text: 'Show markup',
stylingMode: 'text',
onClick: customButtonClick,
}), [customButtonClick]);
const valueChanged = useCallback((e: HtmlEditorTypes.ValueChangedEvent) => {
setValue(e.value);
}, [setValue]);
const popupHiding = useCallback(() => {
setPopupVisible(false);
}, [setPopupVisible]);
return (
<div className="widget-container">
<HtmlEditor value={value} onValueChanged={valueChanged}>
<Toolbar>
<Item name="undo" />
<Item name="redo" />
<Item name="separator" />
<Item name="header" acceptedValues={headerValues} options={headerOptions} />
<Item name="separator" />
<Item name="bold" />
<Item name="italic" />
<Item name="strike" />
<Item name="underline" />
<Item name="separator" />
<Item name="alignLeft" />
<Item name="alignCenter" />
<Item name="alignRight" />
<Item name="alignJustify" />
<Item name="separator" />
<Item widget="dxButton" options={getToolbarButtonOptions} />
</Toolbar>
</HtmlEditor>
<Popup showTitle={true} title="Markup" visible={popupVisible} onHiding={popupHiding} showCloseButton={true}>
<div>{value}</div>
</Popup>
</div>
);
}
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