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Variables for {bs4dash}

library(fresh)

{bs4Dash} allow to construct dashboards in Shiny with latest version of AdminLTE based on Bootstrap 4, {bs4Dash} usage is close to {shinydashboard}. You can create a custom theme to use with it with functions bs4dash_*. Here are some examples of what you can change.

Main statuses

Main colors of {bs4Dash} are defined in 6 status, you can use those status in infoBox, valueBox, cards, … The primary color () is also used to highlight active elements, so it’s present everywhere. Below is an example by changing the color of the “primary” and “danger” statuses:

bs4dash_status(primary = "#5E81AC", danger = "#BF616A")

With classic statuses from {bs4Dash}, it look like:

With our new theme, we have changed the color of boxes and active element in sidebar:

Layout

Layout variables allow you to change the width of the sidebar, as well as the width of the controlbar (right sidebar). And also the main background:

bs4dash_layout(main_bg = "#353c42")

Result is:

The text is not readable on a black background but fortunately we will be able to change that.

Colors

We can invert colors used for text by changing colors variables:

bs4dash_color(gray_900 = "#FFF", white = "#272c30")

Now the body looks good, we can deal with the sidebar and the navbar. Text in boxes is less readable, but again this can be fixed later.

Color contrast

Last set of variables that we can use to finalize our new theme is the YIQ color contrast variables that allow to switch color if contrast is below a threshold.

bs4dash_yiq(contrasted_threshold = 10, text_dark = "#FFF", text_light = "#272c30")

Now text is more readable:

Full theme

Here the code to create this theme:

create_theme(
  bs4dash_vars(
    navbar_light_color = "#bec5cb",
    navbar_light_active_color = "#FFF",
    navbar_light_hover_color = "#FFF"
  ),
  bs4dash_yiq(
    contrasted_threshold = 10,
    text_dark = "#FFF", 
    text_light = "#272c30"
  ),
  bs4dash_layout(
    main_bg = "#353c42"
  ),
  bs4dash_sidebar_light(
    bg = "#272c30", 
    color = "#bec5cb",
    hover_color = "#FFF",
    submenu_bg = "#272c30", 
    submenu_color = "#FFF", 
    submenu_hover_color = "#FFF"
  ),
  bs4dash_status(
    primary = "#5E81AC", danger = "#BF616A", light = "#272c30"
  ),
  bs4dash_color(
    gray_900 = "#FFF"
  )
)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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