[Bug Report] The Latest (v4.0.1) FixedColumns Extension doesn't work with bootstrap themes

[Bug Report] The Latest (v4.0.1) FixedColumns Extension doesn't work with bootstrap themes

shrektanshrektan Posts: 9Questions: 1Answers: 0

Hi,

I think there's a bug introduced by the latest version of FixedColumns Extension. Let's say if I use bootstrap4 theme "superhero" for the HTML page and put a datatable inside. If I enable the FixedColumn extension, the table's style will change.

Please check the two jsfiddle examples that I created, with or without fixedcolumns extension.

Without FixedColumns

https://jsfiddle.net/shrektan/cL9artsm/2/

With FixedColumns

https://jsfiddle.net/shrektan/0tsoezd2/4/

This question has an accepted answers - jump to answer

Answers

  • colincolin Posts: 14,610Questions: 1Answers: 2,493

    Yep, something looks odd. We'll take a look and report back, though it'll likely be the end of the week,

    Colin

  • sandysandy Posts: 913Questions: 0Answers: 236
    Answer ✓

    Hi @shrektan ,

    Because FixedColumns is now using position: sticky it is necessary to set a background color on the cells within the table. If you don't do this then you end up with the scrolling cell text being displayed behind the fixed cells.

    The solution to this is going to be for you to overwrite the css provided with some custom css. I've made a start on changing your example, I'm sure you can manage to make the final changes to get it to all match.

    Thanks,
    Sandy

  • shrektanshrektan Posts: 9Questions: 1Answers: 0

    Hi @sandy ,

    Thanks for the reply. Yes, I can use CSS as a temporary solution.

    But, is it possible to get fixed in datatable itself? I mean, when enabling FixedColumns, the CSS could be set automatically.

    Thanks,
    Xianying

  • shrektanshrektan Posts: 9Questions: 1Answers: 0

    How about including something like below in FixedColumns?

    thead th, tr td {
      background-color: var(--bs-table-active-bg) !important;
      color: var(--bs-table-active-color) !important;
    }
    
  • sandysandy Posts: 913Questions: 0Answers: 236

    Hi @shrektan ,

    Unfortunately not, some of the values that could be set there by bootstrap are transparent or slightly transparent - so the issue I stated above would still be present.

    Thanks,
    Sandy

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