R/module_popupPlots.R

In chasemc/IDBacApp: MALDI-TOF MS Protien and Small Molecule Analysis

#' UI module for creating absolute panel popup
#'
#' @param id shiny namespace
#' @param name name of plot-type (eg PCA, PCoA, t-SNE, scatter)
#'
#' @return PCA UI
#' 
#'
popupPlot_UI <- function(id, name){
  ns <- shiny::NS(id)
  tagList(
    actionButton(ns("openAbsPanel"), glue::glue("Open {name} plot")),
    uiOutput(ns("absPanel"))
  )
}


#' popupPlot_server
#' 
#' @param input shiny nput
#' @param output shiny output
#' @param session shiny session
#' @param dataFrame input dataframe, rows = samples, columns = variables
#' @param namedColors named colors
#' @param plotTitle plot title
#'
#' @return NA
#' 
#'
popupPlot_server <- function(input,
                             output,
                             session,
                             dataFrame,
                             namedColors,
                             plotTitle){ 
  
  
  output$plot <- plotly::renderPlotly({
    req(nrow(dataFrame()) > 2,
        ncol(dataFrame()) > 2)
    
    
    if (is.null(namedColors())) {
      colorsToUse <- cbind.data.frame(fac = rep("#000000", nrow(dataFrame())), 
                                      dataFrame())
    } else {
      
      colorsToUse <- cbind.data.frame(fac = as.vector(namedColors()), 
                                      nam = (names(namedColors())))
      
      
      colorsToUse <- merge(dataFrame(),
                           colorsToUse, 
                           by = "nam")
    }
    plotly_3d_scatter(data = colorsToUse,
                      plotTitle = plotTitle)
    
  })
  
  observeEvent(input$closeAbsPanel, {
    output$absPanel <- renderUI({
      # Intentionally Blank
    })
  })  
  
  observeEvent(input$openAbsPanel,
               ignoreInit = T,
               ignoreNULL = T,
               {
                 
                 if (nrow(dataFrame()) < 2 || ncol(dataFrame()) < 3) {
                   output$absPanel <- renderUI(
                     glue::glue("Select more samples for {plotTitle}")
                   )
                 } else {
                   
                   
                   output$absPanel <- renderUI(
                     
                     shiny::fixedPanel(
                       class = "popup_Plots",
                       top = "20%",
                       bottom = "20%",
                       width = "60%",
                       draggable = F,
                       style = "z-index:1002;",
                       p(plotTitle),
                       absolutePanel(
                         top = "0%",
                         bottom = "95%",
                         right = "5%",
                         left = "95%",
                         fixed = F,
                         shiny::actionButton(session$ns("closeAbsPanel"),
                                             class = "closeX",
                                             label = "",
                                             icon = icon("far fa-window-close"))
                       ),
                       fluidRow(   
                         shinycssloaders::withSpinner(
                           plotly::plotlyOutput(session$ns("plot"),
                                                width = "100%", 
                                                height = "100%")
                         )
                       )
                     )
                   )
                 }
               })
}