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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
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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
- State Persistence
- Adaptability
- Keyboard Navigation
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Scheduler
- Overview
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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
- Adaptability
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Html Editor
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Chat
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Diagram
- Overview
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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
- Adaptability
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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
- Overview
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Data Binding
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Bar Gauge
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Circular Gauge
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Linear Gauge
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Navigation
- Overview
- Accordion
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Menu
- Multi View
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Drawer
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Tab Panel
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Tabs
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Toolbar
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Tree View
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Layout
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Tile View
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Gallery
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- Resizable
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Editors
- Overview
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Calendar
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Date Box
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Date Range Box
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Drop Down Box
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Number Box
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Select Box
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Tag Box
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- Text Box
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Forms and Multi-Purpose
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Filter Builder
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Form
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Range Selector
- Numeric Scale (Lightweight)
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- Date-Time Scale
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- Image on Background
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- Range Slider
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Sortable
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File Management
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File Manager
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File System Types
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File Uploader
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Actions and Lists
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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 Gauges - Update Linear Gauge Data at Runtime
This demo illustrates data binding in the LinearGauge component. The bound data changes when a user selects a new location in the City drop-down menu.
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Backend API
x
import React, { useCallback, useState } from 'react';
import {
LinearGauge, Title, Font, Geometry, Scale, RangeContainer, Range, ValueIndicator, Label,
} from 'devextreme-react/linear-gauge';
import { SelectBox, SelectBoxTypes } from 'devextreme-react/select-box';
import { cities, cityLabel } from './data.ts';
const customTicks = [900, 1000, 1020, 1100];
const temperatureGaugeStartValue = -40;
const pressureLabelFormat = {
type: 'decimal',
};
function App() {
const [selectBoxValue, setSelectBoxValue] = useState(cities[0].data);
const [temperature, setTemperature] = useState(cities[0].data.temperature);
const [humidity, setHumidity] = useState(cities[0].data.humidity);
const [pressure, setPressure] = useState(cities[0].data.pressure);
const onSelectionChanged = useCallback((e: SelectBoxTypes.SelectionChangedEvent) => {
const weatherData = e.selectedItem.data;
setSelectBoxValue(weatherData);
setTemperature(weatherData.temperature);
setHumidity(weatherData.humidity);
setPressure(weatherData.pressure);
}, [setSelectBoxValue, setTemperature, setHumidity, setPressure]);
return (
<div>
<div className="long-title">
<h3>Weather Indicators</h3>
</div>
<div id="gauge-demo">
<LinearGauge
className="gauge-element"
value={temperature}
>
<Title text="Temperature (°C)">
<Font size={16} />
</Title>
<Geometry orientation="vertical" />
<Scale startValue={temperatureGaugeStartValue} endValue={40} tickInterval={40} />
<RangeContainer backgroundColor="none">
<Range startValue={temperatureGaugeStartValue} endValue={0} color="#679EC5" />
<Range startValue={0} endValue={40} />
</RangeContainer>
</LinearGauge>
<LinearGauge
className="gauge-element"
value={humidity}
>
<Title text="Humidity (%)">
<Font size={16} />
</Title>
<Geometry orientation="vertical" />
<Scale startValue={0} endValue={100} tickInterval={10} />
<RangeContainer backgroundColor="#CACACA" />
<ValueIndicator type="rhombus" color="#A4DDED" />
</LinearGauge>
<LinearGauge
className="gauge-element"
value={pressure}
>
<Title text="Barometric Pressure (mb)">
<Font size={16} />
</Title>
<Geometry orientation="vertical" />
<Scale startValue={900} endValue={1100} customTicks={customTicks}>
<Label format={pressureLabelFormat} />
</Scale>
<RangeContainer>
<Range startValue={900} endValue={1000} color="#679EC5" />
<Range startValue={1000} endValue={1020} color="#A6C567" />
<Range startValue={1020} endValue={1100} color="#E18E92" />
</RangeContainer>
<ValueIndicator type="circle" color="#E3A857" />
</LinearGauge>
</div>
<SelectBox
dataSource={cities}
valueExpr="data"
inputAttr={cityLabel}
value={selectBoxValue}
displayExpr="name"
onSelectionChanged={onSelectionChanged}
/>
</div>
);
}
export default App;
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