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Minimal changes to make it work with recent install #12

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Minimal changes to make it work with recent install #12

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520f502
fix IsSeurat2 when packageVersion cannot be changed to numeric (for e…
lldelisle Nov 7, 2025
6b5891f
solve issue with event_data when the plot is not yet generated
lldelisle Nov 7, 2025
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25 changes: 11 additions & 14 deletions server.R
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ names(dataset_selector) <- c(dataset_names)
config <- json_file$config

IsSeurat2 <- function() {
return (packageVersion("Seurat") < 3)
return (packageVersion("Seurat") < "3")
}

SetAllIdent <- function(object, ids) {
Expand Down Expand Up @@ -226,14 +226,10 @@ server <- function(input, output, session) {
ignoreNULL = TRUE, ignoreInit = TRUE)

#Update expression plot on click
observeEvent({
observer_dotplot <- observeEvent(event_data("plotly_click", source = "plot_dot"), suspended = TRUE, {
s <- event_data("plotly_click", source = "plot_dot")
return(!is.null(s$y))
}, {
s <- event_data("plotly_click", source = "plot_dot")
updateTextInput(session, "hidden_selected_gene", value = s$y)
},
ignoreNULL = TRUE, ignoreInit = TRUE)
updateTextInput(session, "hidden_selected_gene", value = s$y)
})


#Update expression plot from selectize input
Expand Down Expand Up @@ -276,10 +272,7 @@ server <- function(input, output, session) {
})

#Monitor cluster plot for changes and update hidden_selected_cluster field
observeEvent({
s <- event_data("plotly_click", source = "plot_cluster")
return(!is.null(s))
}, {
observer_cluster <- observeEvent(event_data("plotly_click", source = "plot_cluster"), suspended = TRUE, {
s <- event_data("plotly_click", source = "plot_cluster")
if (!is.null(s)) {
updateTextInput(session, "hidden_selected_cluster", value = s$key)
Expand Down Expand Up @@ -315,15 +308,19 @@ server <- function(input, output, session) {

##GRAPHIC OUTPUTS
output$cluster_plot <- renderPlotly({
GetClusterPlot(data_list, current_dataset_index(), plot_window_width(), plot_window_height())
p <- GetClusterPlot(data_list, current_dataset_index(), plot_window_width(), plot_window_height())
observer_cluster$resume()
return(p)
}
)
output$expression_plot <- renderPlotly({
GetExpressionPlot(data_list, current_dataset_index(), input$hidden_selected_gene, plot_window_width(), plot_window_height())
}
)
output$dot_plot <- renderPlotly({
GetDotPlot(data_list, current_dataset_index(), current_gene_list(), plot_window_width(), plot_window_height())
p <- GetDotPlot(data_list, current_dataset_index(), current_gene_list(), plot_window_width(), plot_window_height())
observer_dotplot$resume()
return(p)
}
)

Expand Down
2 changes: 1 addition & 1 deletion utils.R
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@ MaxMutate <- function(x) {
}

IsSeurat2 <- function() {
return (packageVersion("Seurat") < 3)
return (packageVersion("Seurat") < "3")
}

get_shared_genes <- function(inputGeneList1, inputGeneList2, topN) {
Expand Down