Show or hide loading.

e_show_loading(e, hide.overlay = TRUE, text = "loading",
  color = "#c23531", text.color = "#000",
  mask.color = "rgba(255, 255, 255, 0.8)", zlevel = 0)

e_hide_loading(e)

Arguments

e

An echarts4r object as returned by e_charts.

hide.overlay

Hides the white overaly that appears in shiny when a plot is recalculating.

text

Text to display.

color

Color of spinner.

text.color

Color of text.

mask.color

Color of mask.

zlevel

Z level.

Details

This only applies to Shiny.

Examples

# NOT RUN {
# no redraw
# no loading
library(shiny)
ui <- fluidPage(
  fluidRow(
    column(12, actionButton("update", "Update"))
  ),
  fluidRow(
    column(12, echarts4rOutput("plot"))
  )
)

server <- function(input, output){
  data <- eventReactive(input$update, {
    data.frame(
      x = 1:10,
      y = rnorm(10)
    )
  })

  output$plot <- renderEcharts4r({
    data() %>%
      e_charts(x) %>%
      e_bar(y)
  })
}

shinyApp(ui, server)

# add loading
server <- function(input, output){
  data <- eventReactive(input$update, {
    Sys.sleep(1) # sleep one second to show loading
    data.frame(
      x = 1:10,
      y = rnorm(10)
    )
  })

  output$plot <- renderEcharts4r({
    data() %>%
      e_charts(x) %>%
      e_bar(y) %>%
      e_show_loading()
  })
}

shinyApp(ui, server)
# }