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library(shiny) |
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library(shinyjs) |
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library(shinythemes) |
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library(shinycssloaders) |
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library(GWalkR) |
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options(spinner.size = 1, |
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spinner.color.background = "#FFFFFF", |
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spinner.color = "lightblue") |
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ui <- fluidPage( |
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useShinyjs(), |
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title = "Data Explorer", |
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theme = shinytheme("cyborg"), |
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tags$h3(id = "title", tags$strong("Graphic-Walker Data Explorer"),style = "text-align:center;color:lightblue;"), |
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tags$a(href = "https://github.com/Ifeanyi55", tags$strong("Maintainer"),target = "_blank",style = "text-decoration:none;color:lightblue;margin-left:1250px;margin-bottom:1000px"), |
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tags$img(src = "plot.jpeg",width = 170,height = 100),br(),br(), |
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sidebarLayout( |
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sidebarPanel(width = 3,style = "border-width:5px;border-color:lightblue;border-radius:25px;", fileInput("target_upload",h5(strong("Click to Upload CSV File"),style = "color:lightblue;"), |
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accept = c("text/csv"), |
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buttonLabel = strong("Select. . .",style = "color:lightblue;"), |
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placeholder = "No file selected"), |
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actionButton("reset","Reset",icon = icon("refresh")), |
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br(),br(),a(href = "https://github.com/Kanaries/GWalkR",h6(strong("Learn More"),style = "color:lightblue;"),target = "_blank",style = "text-decoration: none;")), |
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mainPanel(withSpinner(gwalkrOutput(outputId = "explorer",width = "114%"),type = 1) |
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) |
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) |
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) |
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server <- function(input,output,session){ |
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file_upload <- reactive({ |
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inFile <- input$target_upload |
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if(is.null(inFile)){return(NULL)} |
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data <- read.csv(inFile$datapath,header = TRUE,sep = ",") |
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return(data) |
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}) |
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output$explorer <- renderGwalkr({ |
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tryCatch( |
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{ |
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gwalkr(file_upload(),dark = "dark") |
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}, |
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error = function(e){ |
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message("Could not display interface") |
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} |
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) |
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}) |
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observeEvent(input$reset,{ |
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runjs("location.reload();") |
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}) |
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} |
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shinyApp(ui,server) |
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