style: Create a string-representation of CSS style

In formattable: Create 'Formattable' Data Structures

Description

Most HTML elements can be stylized by a set of CSS style properties. This function helps build CSS strings using conventional argument-passing in R.

Usage

style(...)

Arguments

...	style attributes in form of name = value. Many CSS properties contains '-' in the middle of their names. In this case, use "the-name" = value instead. NA will cancel the attribute.

Details

The general usage of CSS styling is

<span style = "color: red; border: 1px">Text</span>

The text color can be specified by 'color', the border of element by 'border', and etc.

Basic styles like color, border, background work properly and mostly consistently in modern web browsers. However, some style properties may not work consistently in different browsers.

Value

a string-representation of css styles

See Also

List of CSS properties, CSS Reference

Examples

style(color = "red")
style(color = "red", "font-weight" = "bold")
style("background-color" = "gray", "border-radius" = "4px")
style("padding-right" = "2px")

formattable(mtcars, list(
  mpg = formatter("span",
    style = x ~ style(color = ifelse(x > median(x), "red", NA)))))

Example output

[1] "color: red"
[1] "color: red; font-weight: bold"
[1] "background-color: gray; border-radius: 4px"
[1] "padding-right: 2px"

formattable documentation built on Jan. 13, 2021, 7:17 a.m.