Using rounded corners with DataTables in R programming

I am seeking assistance with implementing round borders on my DT table in R. My JavaScript skills are limited, so I would greatly appreciate any help or guidance on how to achieve this.

My current code is as follows:

DT::datatable(
  data = iris,
  options = list(
    initComplete = DT::JS(
      "function(settings, json) {",
      paste0(
        "$(this.api().table().header()).css({
          'background-color': 'black',
          'color': 'white',
          'border-top-left-radius': '4px',
          'border-top-right-radius': '4px'
          });"
      ),
      "}"
    )
  )
)

The style attribute border-top-left-radius does not seem to be effective for creating round corners. I believe a solution like the one provided in this answer using pure JS could resolve the issue, but I need assistance incorporating it into my R code.

Attached is a screenshot of my current table layout, where I aim to have rounded corners at the top left and right rather than sharp edges.

https://i.sstatic.net/sILYV.png

javascriptcssrdt

Answer №1

You must include the CSS property overflow: hidden.

DT::datatable(
  data = iris,
  options = list(
    initComplete = DT::JS(
      "function(settings, json) {",
      paste0(
        "$(this.api().table().header()).css({
          'background-color': 'black',
          'color': 'white',
          'border-top-left-radius': '4px',
          'border-top-right-radius': '4px', 
          'display': 'none'
          });"
      ),
      "}"
    )
  )
)

Answer №2

Check out this code snippet that I found on the datatables forum which helped me achieve the desired outcome:

DT::datatable(
  data = iris,
  options = list(
    initComplete = DT::JS(
      "function(settings, json) {",
      "$('th').css({'background-color': 'black'});",
      "$('th').css({'color': 'white'});",
      "$('th:first-child').css({'border-top-left-radius': '15px'});",
      "$('th:last-child').css({'border-top-right-radius': '15px'});",
      "}"
    )
  )
)

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