Angular PieChart - tooltip
argumentFormat
Formats the point argument before it is displayed in the tooltip. To format the point value, use the format option.
See Also
- format - provides a comprehensive overview of formatting capabilities.
- Data Formatting - shows how to apply formatting to various widget elements.
argumentPrecision
Use the tooltip.argumentFormat.precision option instead.
color
This option supports the following colors:
- Hexadecimal colors
- RGB colors
- RGBA colors
- Predefined/cross-browser color names
- Predefined SVG colors
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.
customizeTooltip
This option should be assigned a function returning a specific object. The following fields can be specified in this object.
color
Specifies the color of a tooltip.text
Specifies the text displayed by a tooltip.html
Specifies the HTML markup displayed by a tooltip.NOTEIf you are going to use external resources (for example, images) in the markup, specify the size of the area they will occupy beforehand.fontColor
Specifies the color of the text displayed by a tooltip.borderColor
Specifies the color of the tooltip border.
When implementing the function for this option, you can use information about the tooltip's point. For example, you can access the argument or value of this point. To do this, use the following fields of the this object.
- value
Specifies the value of the currently hovered point. - valueText
Specifies the value of the currently hovered point with applied formatting if the format property is specified. - argument
Specifies the argument value of the currently hovered point. - argumentText
Specifies the argument value of the currently hovered point with applied formatting if the argumentFormat property is specified. - percent
Specifies the percent value of the currently hovered point. - percentText
Specifies the percent value of the currently hovered point with percentPrecision (optional) applied. - point
Provides access to the hovered point. To learn more about the field and methods of the point object, refer to the Point topic in the "Chart Elements" reference section.
The function's parameter represents the same object as the this object. If appropriate, you can use the function's parameter to obtain the value that is currently represented by a tooltip.
To get general information on data formatting, refer to the Data Formatting topic.
percentPrecision
Use the tooltip.format.percentPrecision option instead.
Specifies a precision for a percent value displayed in tooltips for stacked series and PieChart series.
zIndex
If the widget's container has the CSS z-index property specified, and tooltips are displayed incorrectly, configure their z-index using this option.
If you have technical questions, please create a support ticket in the DevExpress Support Center.