JavaScript/jQuery Bullet - tooltip
Configures the tooltip.
A tooltip is a miniature rectangle displaying UI component data. The tooltip appears when the end-user hovers the cursor over the UI component. You can enable/disable the tooltip, change its appearance and format its text using fields of the tooltip configuration object.
color
Colors all tooltips.
This property supports the following colors:
- Hexadecimal colors
- RGB colors
- RGBA colors
- Predefined/cross-browser color names
- Predefined SVG colors
- Paint server address
This property 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.
contentTemplate
Specifies a custom template for tooltips.
Information on the points that belong to the series that is pressed or hovered over.
You can access the following pointsInfo fields.
| Field name | Description |
|---|---|
originalValue |
The primary bullet value assigned to the value property. |
value |
The primary bullet value with applied formatting if the format property is specified. |
originalTarget |
The target bullet value assigned to the target property. |
target |
The target bullet value with applied formatting if the format property is specified. |
cornerRadius
Makes all the tooltip's corners rounded.
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.
Information on the point being pressed or hovered over with the mouse pointer.
The tooltip's text or markup and appearance settings.
This property 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. The Bullet evaluates the markup. Make sure that it does not contain malicious code. Refer to the following help topic for more information: Potentially Vulnerable API - customizeTooltip. 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. |
The function's parameter has the following fields:
| Field name | Description |
|---|---|
originalValue |
The primary bullet value as it is assigned to the value property. |
value |
The primary bullet value with applied formatting if the format property is specified. |
originalTarget |
The target bullet value as it is assigned to the target property. |
target |
The target bullet value with applied formatting if the format property is specified. |
this keyword.See Also
opacity
Specifies tooltips' transparency.
This property 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.
paddingTopBottom
Generates an empty space, measured in pixels, between a tooltip's top/bottom border and its text.
zIndex
Specifies a tooltip's z-index.
If the UI component's container has the CSS z-index property specified, and tooltips are displayed incorrectly, configure their z-index using this property.
If you have technical questions, please create a support ticket in the DevExpress Support Center.