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Imagine that your browser link looks something like this: 127.0.0.1:6316/?data=pressure&name=obinna&num=50&outt=wowowow
What if you’d like the transfer the value of data and name and num to a shiny input, and the value of outt to a shiny output. That can be accomplished using shinyStorePlus’ latest version.
Here is how you do it …
Below is the code for an application to which we will integrate the shinyStorePlus package
# library
library(shiny)
if(interactive()) {
<- fluidPage(
ui # Application title
titlePanel("Transfer browser link parameters to shiny input"),
# Sidebar with a slider input for number of bins
selectInput(
inputId = "datasetbin",
label = "Choose an option",
choices = c("rock", "pressure", "cars")
),textInput(
inputId = "cd323",
label = "Choose a name",
value = "No name"
),
numericInput(
inputId = "number1",
label = "Choose a number",
value = 10
),
htmlOutput("outputnum")
)
<- function(input,output,session) {
server
}
shinyApp(ui = ui, server = server)
}
shinyStorePlus 0.8
R
packageThe shinyStorePlus package is available on CRAN and can be installed as shown below
install.packages(shinyStorePlus)
Attach library
library(shinyStorePlus)
Now, the code you have should look like this …
# library
library(shiny)
library(shinyStorePlus)
if(interactive()) {
<- fluidPage(
ui # Application title
titlePanel("Transfer browser link parameters to shiny input"),
# Sidebar with a slider input for number of bins
selectInput(
inputId = "datasetbin",
label = "Choose an option",
choices = c("rock", "pressure", "cars")
),textInput(
inputId = "cd323",
label = "Choose a name",
value = "No name"
),
numericInput(
inputId = "number1",
label = "Choose a number",
value = 10
),
htmlOutput("outputnum")
)
<- function(input,output,session) {
server
}
shinyApp(ui = ui, server = server)
}
You must now initialize for the package to work. Its as simple as
inserting the function below within the fluidPage()
initStore()
Now, the code you have should look like this …
# library
library(shiny)
library(shinyStorePlus)
if(interactive()) {
<- fluidPage(
ui
#Initialize shinyStorePlus
initStore(),
# Application title
titlePanel("Transfer browser link parameters to shiny input"),
# Sidebar with a slider input for number of bins
selectInput(
inputId = "datasetbin",
label = "Choose an option",
choices = c("rock", "pressure", "cars")
),textInput(
inputId = "cd323",
label = "Choose a name",
value = "No name"
),
numericInput(
inputId = "number1",
label = "Choose a number",
value = 10
),
htmlOutput("outputnum")
)
<- function(input,output,session) {
server
}
shinyApp(ui = ui, server = server)
}
Match the Shiny input IDs to paramters in the link.
Now, the code you have should look like this …
# library
library(shiny)
library(shinyStorePlus)
if(interactive()) {
<- fluidPage(
ui
#Initialize shinyStorePlus
initStore(),
# Application title
titlePanel("Transfer browser link parameters to shiny input"),
# Sidebar with a slider input for number of bins
selectInput(
inputId = "datasetbin",
label = "Choose an option",
choices = c("rock", "pressure", "cars")
),textInput(
inputId = "cd323",
label = "Choose a name",
value = "No name"
),
numericInput(
inputId = "number1",
label = "Choose a number",
value = 10
),
htmlOutput("outputnum")
)
<- function(input,output,session) {
server # for the inputs
link2input(
#example: shiny element ID = link parameter
cd323 = "name",
datasetbin = "data",
number1 = "num"
)#for the outputs
link2input(
outputnum = "outt",
inputtype = "output"
)
}
shinyApp(ui = ui, server = server)
}
Paste the final R code into your console and run. When the Shiny link launches, it may look something like this ” 127.0.0.1:6316 ”
Now, you must include the parameters in the browser link to see the magic happen. So now, you can transform that link into ” 127.0.0.1:6316/?data=pressure&name=obinna&num=50&outt=wowowow ”
That will work!
Documentation: https://shinystoreplus.obi.obianom.com Code and report issues: https://github.com/oobianom/shinyStorePlus/issues
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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