My shiny app produces some files that user can download. I have put downloadbutton in the ui for this purpose. However, when the page launches and before any calculation is done, there is nothing to download. I want to prevent user from downloading e...
I created a login screen for my Shiny app and would like users to be able to use the Enter key instead of having to use the mouse to click the OK button. I found an example that looks like it solves it for an input form but unfortunately, it does not...
I'm trying to manually expand a submenu in a sidebar in shiny dashboard. The updateTabItems function allows me to go to the tab, but it does not expand the menu with it.  I am looking for a reproducible answer to the question here:how to manually...
I want to show a layer only when its clicked in the LayersControl and the zoom level is greater than a certain number, e.g. 8. One of the reasons is, that some expensive computations must be performed to get the layer coordinates. I want to use the l...
The idea is to have a user input (access code), based on which different menuItems can be accessed. So basically we have a custom version of app available based on user's requirement.  A working example for 3 menuItems is as follow:  library(shin...
I'm attempting to retrieve a cookie from a user's browser in a shiny app to produce a different UI for different users. To work with cookie sin R shiny, I've followed this tutorial and I've extended shinyjs with the following javascri...
In Shiny I use a horizontal radioGroupButtons input with huge number of items. If you click on one of the items, the color of the label of the button changes. This works actually fine.  However, if I click on one of the last items so that I have scro...
I have a selectizeInput UI object in my Shiny app and I would like to be able to copy and paste a comma-delimited list of inputs (i.e. copy from and paste to the selectizeInput).  At the moment I can copy the comma-delimited list of inputs (i.e. A, B...
Hello I am new to RShiny, and I'm trying to build an application for a project.   I have 5 images in my UserInterface I would like to make them clickable : When you click on image, it displays a subset of the dataframe in the mainPanel.   My Data...
I am creating a rather reactive app that has a few numericInput variables and some selectInput variables.   As the variables are quite many and they are used to estimate interventions, I am introducing colours to denote those variables that are diffe...

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