Vue PieChart - tooltip
Configures tooltips.
A tooltip is a miniature rectangle displaying values of a series point. A tooltip appears when the end-user hovers the cursor over a series point. You can enable/disable tooltips, change their appearance and format their text using fields of the tooltip configuration object.
argumentFormat
Formats the point argument before it is displayed in the tooltip. To format the point value, use the format property.
See Also
- format - provides a comprehensive overview of formatting capabilities.
- Value Formatting - shows how to apply formatting to various UI component elements.
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 a tooltip.
You can access the following pointInfo object fields:
Field name | Description |
---|---|
value |
The value of the currently hovered point. |
valueText |
The value of the point being hovered over with formatting applied if the format property is specified. |
argument |
The argument value of the point being hovered over. |
argumentText |
The argument value of the point being hovered over with formatting applied if the argumentFormat property is specified. |
percent |
The percent value of the point being hovered over. |
percentText |
The percent value of the point being hovered over with percent precision (optional) applied. |
point |
Information on the point being hovered over. To learn more about the field and methods of the point object, refer to the Point topic. |
See Also
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 |
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cornerRadius: 15 |
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cornerRadius: 35 |
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customizeTooltip
Allows you to change tooltip appearance.
Information on the series 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 PieChart 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. |
This function's parameter has the following fields:
Field name | Description |
---|---|
originalValue |
The value of the represented point as it is set in the data source. |
value |
The value of the currently hovered point. |
valueText |
The value of the point being hovered over with formatting applied if the format property is specified. |
originalArgument |
The argument value of the represented point as it is set in the data source. |
argument |
The argument value of the point being hovered over. |
argumentText |
The argument value of the point being hovered over with formatting applied if the argumentFormat property is specified. |
seriesName |
The series name of the point being hovered over. |
percent |
The percent value of the point being hovered over. |
percentText |
The percent value of the point being hovered over with percent precision (optional) applied. |
point |
Information on the point being hovered over. To learn more about the field and methods of the point object, refer to the Point topic. |
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.
shared
Specifies whether the tooltip is shared across all series points with the same argument.
This property can have one of the following values:
tooltip.shared | Description |
---|---|
false | The tooltip only displays information about a series point that is hovered over with the mouse pointer. |
true | The tooltip displays information about all series points with the same argument as the point that is hovered over. |
See Also
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.