Save ggplot module

Save a ggplot object in various format and resize it before saving.

Usage

save_ggplot_ui(
  id,
  output_format = c("png", "pdf", "svg", "jpeg", "bmp", "eps", "tiff")
)

save_ggplot_modal(
  id,
  title = NULL,
  output_format = c("png", "pdf", "svg", "jpeg", "bmp", "eps", "tiff")
)

save_ggplot_server(id, plot_rv)

Arguments

id

Module ID.

output_format

Output formats offered to the user.

title

Modal's title.

plot_rv

A reactiveValues with a slot plot containing a ggplot object.

Value

No value. Use in UI & server of shiny application.

Examples

library(shiny)
library(ggplot2)
library(esquisse)


ui <- fluidPage(
  tags$h2("Save a ggplot"),
  selectInput("var", "Variable:", names(economics)[-1]),
  plotOutput("plot", width = "600px"),
  actionButton("save", "Save this plot")
)

server <- function(input, output, session) {
  
  rv <- reactiveValues(plot = NULL)
  
  output$plot <- renderPlot({
    rv$plot <- ggplot(economics) + 
      geom_line(aes(date, !!sym(input$var))) + 
      theme_minimal()
    rv$plot
  })
  
  observeEvent(input$save, {
    save_ggplot_modal("ID", "Save plot")
  })
  save_ggplot_server("ID", rv)
}

if (interactive())
  shinyApp(ui, server)