R/mod_dot_plot.R

In igemsoftwareadmin/ClusteRsy-Linkoping: ClusteRsy

#' dot_plot UI Function
#'
#' @description A shiny Module.
#'
#' @param id,input,output,session Internal parameters for {shiny}.
#'
#' @noRd 
#'
#' @importFrom shiny NS tagList 
mod_dot_plot_ui <- function(id){
  ns <- NS(id)
  tagList(
    plotOutput(ns("dot_plot"), height = '100vh', width = '100%') %>% shinycssloaders::withSpinner(color="#ffbd40", 
                                                                                                  type = 4,
                                                                                                  size = 0.8)
  )
}
    
#' dot_plot Server Function
#'
#' @noRd 
mod_dot_plot_server <- function(input, output, session, dot_plot_para_ui_1, selected, con){
  ns <- session$ns
 
    dotplot <- reactive({
      enrichment_objects <- MODifieRDB::get_available_enrichment_objects(con)
      enrichment_object <- MODifieRDB::enrichment_object_from_db(enrichment_objects$enrichment_name[selected$selected_object], con)

      p <- try(clusterProfiler::dotplot(object = enrichment_object,
                                    x=dot_plot_para_ui_1$xaxis,
                                    showCategory = dot_plot_para_ui_1$showcategory,
                                    color = dot_plot_para_ui_1$color,
                                    title = dot_plot_para_ui_1$title))
      if (class(p)[1] == "try-error"){
        NULL
      }
      else {
        return(p) 
      }
    })
  
    output$dot_plot <- renderPlot({
      dotplot() #calling the reactive plot
    })
}
    
## To be copied in the UI
# mod_dot_plot_ui("dot_plot_ui_1")
    
## To be copied in the server
# callModule(mod_dot_plot_server, "dot_plot_ui_1")