Depending Choose Prompt

[Karim Mezhoud]

Dear All,

I am thinking about depending Choose prompt (selectizeInput).
The second "Choose prompt" depends on the first one.

The first one list the Studies.
The second lists Cases depending which study is selected.

In the following code The Cases are specific for Study 4 (Studies[4,1]).

 I would like to change Studies[4,1] by a variable depending on which study is selected

Thanks

Karim

ui.R


 sidebarLayout(
   sidebarPanel(

# Select Studies

    selectizeInput('StudiesID', 'Studies 1', state.name, multiple = TRUE),


# Select Cases
  selectizeInput('CasesID', 'Cases 1', choices=NULL , multiple = TRUE),

))

mainPanel(
    verbatimTextOutput('Studies_values'),
   tableOutput('Cases_values')
)

server.R

 ## Select Studies
  library(cgdsr)
  cgds<-CGDS("http://www.cbioportal.org/public-portal/")
  Studies <- getCancerStudies(cgds)
  ##
  updateSelectizeInput(session, 'StudiesID', choices = Studies[,1])

  output$Studies_values <- renderPrint({
    list(List_Studies = input$StudiesID)

  })
  ## update Cases
#reactive({
  #output$cases <- renderPrint(input$cases)

  Cases <- getCaseLists(cgds,Studies[4,1])

  updateSelectizeInput(session, 'CasesID', choices = Cases[,1])

 output$Cases_values<- renderPrint({
   list(List_Cases = input$CasesID)
  })

[Tareef Kawaf]

Cross posting to the shiny-discuss list since this is more of a shiny question.

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