Creates an EmptyStateManager to then show or hide content.
Details
Creates an object to show an empty state content on selected id specified by id
parameter.
Then show
or hide
or use is_empty_state_show
to check the status.
Methods
Method new()
Creates a new empty state manager object.
Usage
EmptyStateManager$new(
id,
html_content = default_empty_state_component(),
color = NULL
)
Arguments
id
id of element which should be covered with
html_content
html_content
Content for empty state. Defaults to
default_empty_state_component()
color
Background color of empty state content. Defaults to
NULL
Method is_empty_state_show()
Returns the current visibility state of the empty state UI.
Defaults to FALSE
Method show()
Show empty state component.
Examples
library(shiny)
library(shiny.emptystate)
library(fontawesome)
ui <- fluidPage(
use_empty_state(),
actionButton("show", "Show empty state!"),
actionButton("hide", "Hide empty state!"),
tableOutput("my_table")
)
server <- function(input, output) {
# Creating a custom empty state component
empty_state_content <- empty_state_component(
content = fa("eye-slash", height = "10rem", fill = "#808000"),
title = "Hide empty state to see table",
subtitle = "This empty state uses a FontAwesome icon."
)
# Initialize a new empty state manager object
manager_object <- EmptyStateManager$new(
id = "my_table",
html_content = empty_state_content
)
observeEvent(input$show, {
# Show empty state
manager_object$show()
})
observeEvent(input$hide, {
# Hide empty state
manager_object$hide()
})
output$my_table <- renderTable(mtcars)
}
if (interactive()) {
shinyApp(ui = ui, server = server)
}