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 have multiple action buttons, on which i want to show different select Inputs and I want to know last clicked button id, how can I do that? When I use  which(lapply(c(1:10), function(i) { input[[paste0("ActionButton", i)]]}) == TRUE)   It s...
I try to use shinyBS package into my simple app. What I want to do is to create reactive tooltip text depends on each radioButton.  In order to clarify my problem I wrote a simple code in HTML & JS.  I also found one solution which seemed to solv...
My shiny app has a sliderInput, but want to replace values as character labels. How could I implement it? Thanks for any suggestions.  This is my example code:  library(shiny) values <- as.factor(c('Label 1', 'Label 3', 'Label...
This is a modified version to the previous question here  In this app (which reflects my real app better) the following situation happens:  I have 2 sets of plots, - the 2 plots of a set show the same traces, just different columns plotted - each plo...
I am running into an issue with datatables and shiny, specifically within a flexdashboard but I think that is irrelevant.   I want to scroll to a given row in the datatable when I click on the corresponding point in a plot. But, the minimal problem I...
Is there a way by which I can disable/enable click on dashboard sidebar so as to prevent the user from navigating to a different view in shiny?.  I came across this solution "disabling/enabling sidebar from server side" but all it does is col...
Is it possible to have, say, F7 or Q trigger a reactive flow in a Shiny app (in Windows)? This question provides code for alternating tabs with keyboard input, but I am interested in starting reactive flows. For example, a button is 'triggered...
I'm wondering if someone better than I am at R Shiny could tell me if the following is possible (it may not be, but I'd like to know if not).   Question: Can I open both a google map and interactive streetview in Shiny?   Why I want to do thi...
Everytime a plotly object is created by R in shiny, (or just in R), the widget is recreated completely. For small data sets this is not a problem, but i'm working with plots that contain thousands of scatter points, making it take 10-20 seconds t...

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