React BarGauge - tooltip

Default Value: 10

border

Configures a tooltip's border.

Type:

color

Colors all tooltips.

Type:

Default Value: '#ffffff'

This option supports the following colors:

Hexadecimal colors
RGB colors
RGBA colors
Predefined/cross-browser color names
Predefined SVG colors
Paint server address

This option sets one color for all tooltips. You can specify a particular tooltip's color in the tooltip.customizeTooltip function.

container

Specifies the container in which to draw tooltips. The default container is the HTML DOM <body> element.

Type:

Element

jQuery

Default Value: undefined

contentComponent

An alias for the contentTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

contentRender

An alias for the contentTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

contentTemplate

Specifies a custom template for a tooltip.

Type:

template

Template Data:

Name	Type	Description
index	Number	The index of the bar being pressed or hovered over. 0 for the bar closest to the gauge's center, 1 for the bar over it, etc.
value	Number	The raw value.
valueText	String	The formatted value converted to a string.

Name

Type

Description

index

The index of the bar being pressed or hovered over. 0 for the bar closest to the gauge's center, 1 for the bar over it, etc.

value

The raw value.

valueText

The formatted value converted to a string.

Default Name: undefined

cornerRadius

Makes all the tooltip's corners rounded.

Type:

Default Value: 0, 4 (Material)

The following table demonstrates how the corner's curvature depends on the cornerRadius value:

cornerRadius	Result
`cornerRadius: 0`
`cornerRadius: 15`
`cornerRadius: 35`

customizeTooltip

Allows you to change tooltip appearance.

Type:

Function

Function parameters:

scaleValue:

Information on the bar value.

Object structure:

Name	Type	Description
index	Number	A zero-based index of the hovered bar. The closer this bar is to the gauge's center, the greater its index.
value	Number	The raw value.
valueText	String	The formatted value converted to a string.

Name

Type

Description

index

A zero-based index of the hovered bar. The closer this bar is to the gauge's center, the greater its index.

value

The raw value.

valueText

The formatted value converted to a string.

Return Value:

The tooltip's text or markup and color.

Default Value: undefined

This option should be assigned a function that returns an object with the following fields:

Field name	Description
`text`	The tooltip's text.
`html`	The HTML markup displayed in a tooltip. To use external resources (for example, images) in the markup, specify the size of the area they occupy beforehand.
`color`	The tooltip's color.
`fontColor`	The color of the tooltip's text.
`borderColor`	The color of the tooltip's border.

NOTE

As an alternative to the function’s parameter you can use the this keyword.

View Demo

enabled

Enables tooltips.

Type:

Boolean

Default Value: false

font

Specifies tooltips' font options.

Type:

format

Formats a value before it is displayed it in a tooltip.

Type:

Format

Default Value: undefined

See the format section for details on accepted values.

opacity

Specifies tooltips' transparency.

Type:

Default Value: undefined

This option accepts a value from 0 to 1, where 0 makes tooltips completely transparent, and 1 makes them opaque.

paddingLeftRight

Generates an empty space, measured in pixels, between a tooltip's left/right border and its text.

Type:

Default Value: 18

DevExtreme HTML5 JavaScript Funnel Tooltips Left-Right Padding

paddingTopBottom

Generates an empty space, measured in pixels, between a tooltip's top/bottom border and its text.

Type:

Default Value: 15

DevExtreme HTML5 JavaScript Funnel Tooltips Top-Bottom Padding

shadow

Configures a tooltip's shadow.

Type:

zIndex

Specifies a tooltip's z-index.

Type: