[英]Select only filtered rows using select all button that comes with select extension in shiny's DT package
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. 这是示例 shiny应用程序
以下是该应用程序的可重现代码:
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$table <- DT::renderDataTable({
datatable(mpg, escape=F,
rownames=F,
filter = 'top',
# colnames = c("Data Type","Variable","Description", "Filename"),
class = "compact hover row-border",
extensions = c('Scroller','Select', 'Buttons'),
options = list(
select = list(style = "multi", items = "row"),
columnDefs = list(list(className = 'dt-center', targets = "_all")),
language = list(
info = 'Showing _START_ to _END_ of _TOTAL_ variables'),
deferRender = TRUE,
scrollY = 500,
scroller = TRUE,
dom = "Blfrtip",
buttons = c('selectAll', 'selectNone')
),
selection="none"
) }, server = F
)
}
# Run the application
shinyApp(ui = ui, server = server)
我想我可能必须添加一些自定义 javascript 来解决这个问题,但我不擅长它。 任何人都可以帮助或提供任何建议。
谢谢
不知何故,我设法找出了我的问题的解决方案。 把它贴在这里,所以它可能会帮助其他人。 我从几个地方得到了帮助。 数据表文档和stackoverflow
使用这些帮助,我扩展了我的全选按钮功能,并将它扩展为取消全选按钮(取消选择任何过滤的行)。
这是更新的 shiny应用程序
以下是更新后的代码:
library(shiny)
library(DT)
data(mpg)
# Define UI for application that draws a histogram
ui <- fluidPage(
# Application title
titlePanel("Select only filtered rows using selectall button"),
br(),
br(),
DT::dataTableOutput("table")
)
# Define server logic required to draw a histogram
server <- function(input, output) {
output$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)
希望这对其他人有帮助。
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