| Title: | Accessibility Toolbox for 'R' Users | 
| Version: | 0.2.0 | 
| Description: | Provides a toolbox that allows the user to implement accessibility related concepts. | 
| License: | MIT + file LICENSE | 
| Encoding: | UTF-8 | 
| LazyData: | true | 
| RoxygenNote: | 7.1.1 | 
| Suggests: | testthat, spelling | 
| URL: | https://github.com/feddelegrand7/savonliquide | 
| BugReports: | https://github.com/feddelegrand7/savonliquide/issues | 
| Imports: | glue, htmltools, httr, crayon | 
| Language: | en-US | 
| NeedsCompilation: | no | 
| Packaged: | 2021-02-22 20:23:34 UTC; Administrateur | 
| Author: | Mohamed El Fodil Ihaddaden [aut, cre] | 
| Maintainer: | Mohamed El Fodil Ihaddaden <ihaddaden.fodeil@gmail.com> | 
| Repository: | CRAN | 
| Date/Publication: | 2021-02-22 20:40:03 UTC | 
Add a description to an HTML element
Description
Add a description to an HTML element
Usage
add_description(element, descID, description, visible = FALSE)
Arguments
| element | an HTML element to describe | 
| descID | the ID of the div that will describe the HTML element | 
| description | the description of the HTML element | 
| visible | should the description be visible ? Defaults to FALSE | 
Value
an HTML element with a description attached to it
Examples
if (interactive()) {
  ui <- fluidPage(
    h2("Using a screen reader
        hit <Tab> or <Shift + Tab> to
        navigate between the buttons
        and stop at button 5 to see the difference"),
    actionButton(
      inputId = "inp1",
      label = "button 1"
    ),
    actionButton(
      inputId = "inp2",
      label = "button 2"
    ),
    actionButton(
      inputId = "inp3",
      label = "button 3"
    ),
    actionButton(
      inputId = "inp4",
      label = "button 4"
    ),
    actionButton(
      inputId = "inp5",
      label = "button 5"
    ) %>%
      add_description(
        description = "hello this is a button
                   when you click it you'll have a
                   thing, when you don't click it you'll
                   have another thing",
        descID = "chkoup"
      )
  )
  server <- function(input, output, session) {}
  shinyApp(ui, server)
}
Color Contrast Accessibility Report
Description
returns a report from the Contrast Checker API about color contrast for accessibility
Usage
check_contrast(fg_col, bg_col)
Arguments
| fg_col | the Foreground Color | 
| bg_col | the Background Color | 
Value
Color Contrast Report
Examples
check_contrast(fg_col = "#21EA06", bg_col = "#483D3D")
Color Contrast Accessibility Report in a Raw Format
Description
returns a report from the Contrast Checker API about color contrast for accessibility in a list format so that the information provided can be extracted and piped into other functions.
Usage
check_contrast_raw(fg_col, bg_col)
Arguments
| fg_col | the Foreground Color | 
| bg_col | the Background Color | 
Value
Color Contrast Report in a raw format
Examples
check_contrast_raw(fg_col = "#21EA06", bg_col = "#483D3D")
Create an HTML invisible anchor
Description
Make an element invisible so that it can only be read by screen readers
Usage
create_invisible_anchor(id, text, href = NULL)
Arguments
| id | id of the anchor | 
| text | text of the anchor | 
| href | of the anchor. Defaults to NULL. | 
Value
an invisible HTML anchor element
Describe an HTML element by another one
Description
Describe an HTML element by another one
Usage
describe_using(element, descID)
Arguments
| element | the HTML element to describe | 
| descID | one or a vector of many HTML elements' <IDs> that will be used to describe the 'element' parameter | 
Value
an HTML element described by another HTML element
Examples
if (interactive()) {
  ui <- fluidPage(
    h2("Using a screen reader
        hit Tab and Shift + Tab to
        navigate between the buttons
        and stop at button 2 to see the difference"),
    div(
      id = "paragraph",
      p("The following paragraph tag will be used as a descriptor")
    ),
    actionButton(
      inputId = "inp1",
      label = "button 1"
    ),
    actionButton(
      inputId = "inp2",
      label = "button 2"
    ) %>%
      describe_using(
        descID = "paragraph"
      )
  )
  server <- function(input, output, session) {}
  shinyApp(ui, server)
}
Transform an HTML element to a Skip Link
Description
Transform an HTML element to a Skip Link
Usage
make_skiplinks(element, skip_to, bg_color = "#002240", col = "#FFFFFF")
Arguments
| element | the element to use as a Skip Link | 
| skip_to | the HTML element to skip to | 
| bg_color | the background color of the element to use as a Skip Link | 
| col | the color of the element to use as a Skip Link | 
Value
a Skip Link HTML element
Examples
if (interactive()) {
  ui <- fluidPage(
    tags$a("do you want to be redirected to google.com ?",
      id = "skip-link"
    ) %>%
      make_skiplinks(
        skip_to = "https://google.com",
        bg_color = "red",
        col = "white"
      ),
    h1("accessibility is not a detail")
  )
  server <- function(input, output, session) {}
  shinyApp(ui, server)
}
Make HTML elements tabable
Description
Make HTML elements tabable
Usage
make_tabable(element, tab_index = 0)
Arguments
| element | the HTML element to be tabable (if not by default) | 
| tab_index | takes either 0, a negative or a positive value according to the required state of the element. 0 will make the element tabable with its relative order defined by the platform convention. a negative value will make the element untabable. a positive value will make the element tabable and its relative order defined by the provided value. | 
Value
a tabable HTML element
Examples
if (interactive()) {
  ui <- fluidPage(
    textInput(inputId = "inp1", label = "input"),
    div(h1("Not tabable")) %>%
      make_tabable(tab_index = -1),
    div(h2("Tabable ! with priority")) %>%
      make_tabable(tab_index = 1),
    div(h2("Simply Tabable")) %>%
      make_tabable(tab_index = 0)
  )
  server <- function(input, output, session) {}
  shinyApp(ui = ui, server = server)
}