R/app_ui.R

In vladdsm/trackpack: Shiny App to track Downloads of my own Package

#' The application User-Interface
#' 
#' @param request Internal parameter for `{shiny}`. 
#'     DO NOT REMOVE.
#' @import shiny
#' @noRd
app_ui <- function(request) {
  tagList(
    # Leave this function for adding external resources
    golem_add_external_resources(),
    # List the first level UI elements here 
    fluidPage(
      h1("trackpack"),
      # here below will be our user interface
      hr(),
      
      # Sidebar layout with input and output definitions ----
      sidebarLayout(
        
        # Sidebar panel for inputs ----
        sidebarPanel(
          
          # Input: Slider for the number of bins ----
          # value is always yyyy-mm-dd, even if the display format is different
          dateRangeInput("daterange4", "Date range:",
                         start = Sys.Date()-10,
                         end = Sys.Date()+10),
          
        ),
        
        # Main panel for displaying outputs ----
        mainPanel(
          
          # Output: Histogram ----
          plotOutput(outputId = "distPlot")
          
        )
      )
    )
  )
}

#' Add external Resources to the Application
#' 
#' This function is internally used to add external 
#' resources inside the Shiny application. 
#' 
#' @import shiny
#' @importFrom golem add_resource_path activate_js favicon bundle_resources
#' @noRd
golem_add_external_resources <- function(){
  
  add_resource_path(
    'www', app_sys('app/www')
  )
 
  tags$head(
    favicon(),
    bundle_resources(
      path = app_sys('app/www'),
      app_title = 'trackpack'
    )
    # Add here other external resources
    # for example, you can add shinyalert::useShinyalert() 
  )
}