r - Shiny - Call panel from external code -


i have been working on shiny application ui.r script has become long , becoming hard manage. break code different sections, , call them within ui. guess helpful different panels become nested , complicated.

is there way this?

example ui.r script:

shinyui(pagewithsidebar(   headerpanel('iris k-means clustering'),   sidebarpanel(     selectinput('xcol', 'x variable', names(iris)),     selectinput('ycol', 'y variable', names(iris),                 selected=names(iris)[[2]]),     numericinput('clusters', 'cluster count', 3,                  min = 1, max = 9)   ),   mainpanel(     plotoutput('plot1')   ) ))

it nice if change following (i have written in pseudo code):

shinyui(pagewithsidebar(   headerpanel('iris k-means clustering'),    source("call_sidebarpanel.r"),    mainpanel(     plotoutput('plot1')   ) ))

call_sidebarpanel.r

  sidebarpanel(     selectinput('xcol', 'x variable', names(iris)),     selectinput('ycol', 'y variable', names(iris),                 selected=names(iris)[[2]]),     numericinput('clusters', 'cluster count', 3,                  min = 1, max = 9)   )

yes possible, in non-trivial apps. trick use 

source("file.r", local = true)$value

this shiny article has information on this.


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