JavaScript/jQuery LinearGauge API
The LinearGauge is a widget that indicates values on a linear numeric scale.
See Also
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Options
An object that defines configuration options for the LinearGauge widget.
| Name | Description |
|---|---|
| animation | Specifies animation options. |
| containerBackgroundColor | Specifies the color of the parent page element. |
| disabled | Specifies whether the widget responds to the user interaction. |
| elementAttr | Specifies the attributes to be attached to the widget's root element. |
| export | Configures the exporting and printing features. |
| geometry | Specifies the options required to set the geometry of the LinearGauge widget. |
| loadingIndicator | Configures the loading indicator. |
| margin | Generates space around the widget. |
| onDisposing | A function that is executed before the widget is disposed of. |
| onDrawn | A function that is executed when the widget's rendering has finished. |
| onExported | A function that is executed after the widget is exported. |
| onExporting | A function that is executed before the widget is exported. |
| onFileSaving | A function that is executed before a file with exported widget is saved to the user's local storage. |
| onIncidentOccurred | A function that is executed when an error or warning occurs. |
| onInitialized | A function used in JavaScript frameworks to save the widget instance. |
| onOptionChanged | A function that is executed after a widget option is changed. |
| onTooltipHidden | A function that is executed when a tooltip becomes hidden. |
| onTooltipShown | A function that is executed when a tooltip appears. |
| pathModified | Notifies the widget that it is embedded into an HTML page that uses a tag modifying the path. |
| rangeContainer | Specifies gauge range container options. |
| redrawOnResize | Specifies whether to redraw the widget when the size of the parent browser window changes or a mobile device rotates. |
| rtlEnabled | Switches the widget to a right-to-left representation. |
| scale | Specifies the gauge's scale options. |
| size | Specifies the widget's size in pixels. |
| subvalueIndicator | Specifies the appearance options of subvalue indicators. |
| subvalues | Specifies a set of subvalues to be designated by the subvalue indicators. |
| theme | Sets the name of the theme the widget uses. |
| title | Configures the widget's title. |
| tooltip | Configures tooltips. |
| value | Specifies the main value on a gauge. |
| valueIndicator | Specifies the appearance options of the value indicator. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
This section describes methods that can be used to manipulate the widget.
| Name | Description |
|---|---|
| beginUpdate() | Prevents the widget from refreshing until the endUpdate() method is called. |
| dispose() | Disposes of all the resources allocated to the LinearGauge instance. |
| element() | Gets the root widget element. |
| endUpdate() | Refreshes the widget after a call of the beginUpdate() method. |
| exportTo(fileName, format) | Exports the widget. |
| getInstance(element) | Gets the instance of a widget found using its DOM node. |
| getSize() | Gets the current widget size. |
| hideLoadingIndicator() | Hides the loading indicator. |
| instance() | Gets the widget's instance. Use it to access other methods of the widget. |
| off(eventName) | Detaches all event handlers from a single event. |
| off(eventName, eventHandler) | Detaches a particular event handler from a single event. |
| on(eventName, eventHandler) | Subscribes to an event. |
| on(events) | Subscribes to events. |
| option() | Gets all widget options. |
| option(optionName) | Gets the value of a single option. |
| option(optionName, optionValue) | Updates the value of a single option. |
| option(options) | Updates the values of several options. |
| print() | Opens the browser's print window. |
| render() | Redraws the widget. |
| showLoadingIndicator() | Shows the loading indicator. |
| subvalues() | Gets subvalues. |
| subvalues(subvalues) | Updates subvalues. |
| svg() | Gets the widget's SVG markup. |
| value() | Gets the main value. |
| value(value) | Updates the main value. |
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Events
This section describes events fired by this widget.
| Name | Description |
|---|---|
| disposing | Raised before the widget is disposed of. |
| drawn | Raised when the widget's rendering has finished. |
| exported | Raised after the widget is exported. |
| exporting | Raised before the widget is exported. |
| fileSaving | Raised before a file with exported widget is saved to the user's local storage. |
| incidentOccurred | Raised when an error or warning occurs. |
| initialized | Raised only once, after the widget is initialized. |
| optionChanged | Raised after a widget option is changed. |
| tooltipHidden | Raised when a tooltip becomes hidden. |
| tooltipShown | Raised when a tooltip appears. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Indicator Types
This section lists objects that define options used to configure value and subvalue indicators of specific types.
| Name | Description |
|---|---|
| Circle | An object that defines a gauge indicator of the circle type. |
| RangeBar | An object that defines a gauge indicator of the rangeBar type. |
| Rectangle | An object defining a gauge indicator of the rectangle type. |
| Rhombus | An object defining a gauge indicator of the rhombus type. |
| TextCloud | An object that defines a gauge indicator of the textCloud type. |
| TriangleMarker | An object that defines a gauge indicator of the triangleMarker type. |
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