inst/ProstarApp/mod_change_assay.R

In samWieczorek/Prostar.2.0: Provides a GUI for DAPAR

#' change_assay UI Function
#'
#' @description A shiny Module.
#'
#' @param id,input,output,session Internal parameters for {shiny}.
#'
#' @noRd 
#'
#' @importFrom shiny NS tagList 
mod_change_assay_ui <- function(id){
  ns <- NS(id)

    absolutePanel(
     # id  = "#AbsolutePanel",
      #class = "panel panel-default",
      style= "text-align: center; z-index: 10000;",
      top = 0, 
      right = 50, 
      width = "250px",
      height = "50px",
      draggable = FALSE,
      fixed = FALSE,
      cursor = "default",
      uiOutput(ns("datasetAbsPanel"))

  )
}
    
#' change_assay Server Function
#'
#' @noRd 
mod_change_assay_server <- function(id, ll.se, indice){
  
  
  moduleServer(id, function(input, output, session){
    ns <- session$ns
    
    rv.change <- reactiveValues(
      out = NULL
    )
    
    
    observe({
      req(indice())
      rv.change$out <- indice()
    })
    
    
    output$datasetAbsPanel <- renderUI({
      req(ll.se())
      req(indice())
      
      tagList(
        div(
          div(
            style="display:inline-block; vertical-align: middle; margin:0px",
            p('Current assay', style='color: white')
          ),
          div(
            style="display:inline-block; vertical-align: middle; margin:0px",
            selectInput(ns('currentDataset'), '',
                        choices = ll.se(),
                        selected = ll.se()[indice()],
                        width='150px')
          )
        )
      )
      
    })
    
    
    
    ## manual change of current dataset
    observeEvent(input$currentDataset,{
      print('!!!!! Manual change of current dataset')
      
      n <- which(ll.se() == input$currentDataset)
      if (length(n)==0){
        rv.change$out <- 1
      } else {
        rv.change$out <- n
      }
      
    })
    
    
    return(reactive({rv.change$out}))
    
  })
  
  
}
    
## To be copied in the UI
# mod_change_assay_ui("change_assay_ui_1")
    
## To be copied in the server
# callModule(mod_change_assay_server, "change_assay_ui_1")