R in Shiny: How can I adjust radio buttons to the grid width of column? -

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the question straightforward. code contains following lines:

fluidrow(    column(12, "some text"), fluidrow(    column(12, radiobuttons("buttons", "please select choice", choices = list("a" = 1, "b" = 2, "c" = 3), selected = false, inline = true)))

i choices (radio buttons) evenly spread on grid width. appreciated!

you need use additional css parameters this.

assuming parameters choices:

parameters <- c("a", "b", "c", "d")

to have multi-column radio buttons: add additional class:

controls <-list(tags$div(align = 'left',                        class = 'multicol',                        radiobuttons(inputid  = 'buttons',                                           label = "select parameters: ",                                          choices  = parameters,                                          selected = "a",                                          inline   = false), style = "font-size:90%"))

and apply css values added class:

tweaks <- list(tags$head(tags$style(html("                                        .multicol {                                         height: 150px;                                        -webkit-column-count: 5; /* chrome, safari, opera */                                         -moz-column-count: 5;    /* firefox */                                         column-count: 5;                                         -moz-column-fill: auto;                                        -column-fill: auto;                                        }                                         "))  ))

by resetting column-count....you fit radio buttons across desired number of columns. can use object tweaks outside ui (before ui starts or in global.r). work checkboxes too.


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