Select 僅使用 select 過濾的行 select 擴展中的所有按鈕

Question

I am trying to select only filtered rows using select all button that comes with select extension in shiny's DT package but it selects all the rows. 這是示例 shiny應用程序

以下是該應用程序的可重現代碼：

library(DT)
data(mpg)
# Define UI for application 
ui <- fluidPage(

    # Application title
    titlePanel("Select only filtered rows using selectall button"),

    br(),
    br(),

    DT::dataTableOutput("table")


)

# Define server logic 
server <- function(input, output) {

    output$table <- DT::renderDataTable({
        datatable(mpg, escape=F,
                  rownames=F,
                  filter = 'top',
                  #  colnames = c("Data Type","Variable","Description", "Filename"),
                  class = "compact hover row-border",
                  extensions = c('Scroller','Select', 'Buttons'),

                  options = list(
                      select = list(style = "multi", items = "row"),
                      columnDefs = list(list(className = 'dt-center', targets = "_all")),
                      language = list(
                          info = 'Showing _START_ to _END_ of _TOTAL_ variables'),
                      deferRender = TRUE,
                      scrollY = 500,
                      scroller = TRUE,
                      dom = "Blfrtip",
                      buttons = c('selectAll', 'selectNone')
                  ),
                  selection="none"
        ) }, server = F
    )
}

# Run the application 
shinyApp(ui = ui, server = server)

我想我可能必須添加一些自定義 javascript 來解決這個問題，但我不擅長它。 任何人都可以幫助或提供任何建議。

謝謝

Answer 1

不知何故，我設法找出了我的問題的解決方案。 把它貼在這里，所以它可能會幫助其他人。 我從幾個地方得到了幫助。 數據表文檔和stackoverflow

使用這些幫助，我擴展了我的全選按鈕功能，並將它擴展為取消全選按鈕（取消選擇任何過濾的行）。

這是更新的 shiny應用程序

以下是更新后的代碼：

library(shiny)
library(DT)
data(mpg)
# Define UI for application that draws a histogram
ui <- fluidPage(

    # Application title
    titlePanel("Select only filtered rows using selectall button"),

    br(),
    br(),

    DT::dataTableOutput("table")



)

# Define server logic required to draw a histogram
server <- function(input, output) {

    output$table <- DT::renderDataTable({
        datatable(mpg, escape=F,
                  rownames=F,
                  filter = 'top',
                  #  colnames = c("Data Type","Variable","Description", "Filename"),
                  class = "compact hover row-border",
                  extensions = c('Scroller','Select', 'Buttons'),

                  options = list(
                      select = list(style = "multi", items = "row"),
                      columnDefs = list(list(className = 'dt-center', targets = "_all")),
                      language = list(
                          info = 'Showing _START_ to _END_ of _TOTAL_ variables'),
                      deferRender = TRUE,
                      scrollY = 500,
                      scroller = TRUE,
                      dom = "Blfrtip",
                      buttons = list(list(extend='selectAll',className='selectAll',
                                text="select all rows",
                                action=DT::JS("function () {
                                var table = $('#DataTables_Table_0').DataTable();
                                table.rows({ search: 'applied'}).deselect();
                                table.rows({ search: 'applied'}).select();
                }")
                                ), list(extend='selectNone',
                                        text="DeselectAll",
                                        action=DT::JS("function () {
                                var table = $('#DataTables_Table_0').DataTable();
                                table.rows({ search: 'applied'}).select();
                                table.rows({ search: 'applied'}).deselect();
                }")
                                ))

                  ),
                  selection="none"
        ) }, server = F
    )
}

# Run the application 
shinyApp(ui = ui, server = server)

希望這對其他人有幫助。