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# ddPCR R package - Dean Attali 2015
# --- Dataset tab server --- #
# only enable the upload buttons when their corresponding input has a file selected
observeEvent(input$uploadDataFiles, ignoreNULL = FALSE, {
toggleState("uploadFilesBtn", !is.null(input$uploadDataFiles))
})
observeEvent(input$loadFile, ignoreNULL = FALSE, {
toggleState("loadFileBtn", !is.null(input$loadFile))
})
# when "Upload data" button is clicked
observeEvent(input$uploadFilesBtn, {
withBusyIndicator("uploadFilesBtn", {
dataFiles <- input$uploadDataFiles %>% fixUploadedFilesNames
metaFile <- input$uploadMetaFile %>% fixUploadedFilesNames
# read plate using uploaded files
dataValues$plate <-
new_plate(data_files = dataFiles$datapath,
meta_file = metaFile$datapath,
type = plate_types$fam_positive_pnpp)
output$datasetChosen <- reactive({ TRUE })
updateTabsetPanel(session, "mainNav", "settingsTab")
})
})
# when a file is chosen to load a saved dataset
observeEvent(input$loadFileBtn, {
withBusyIndicator("loadFileBtn", {
file <- input$loadFile %>% fixUploadedFilesNames
dataValues$plate <- load_plate(file$datapath)
output$datasetChosen <- reactive({ TRUE })
updateTabsetPanel(session, "mainNav", "settingsTab")
})
})
# load the sample dataset
observeEvent(input$loadSampleBtn, {
withBusyIndicator("loadSampleBtn", {
dataValues$plate <- sample_plate(input$sampleDatasetType)
output$datasetChosen <- reactive({ TRUE })
updateTabsetPanel(session, "mainNav", "settingsTab")
})
})
# download sample data file
output$sampleDataFile <- downloadHandler(
filename = function() { "example_dataset_F05_Amplitude.csv" },
content = function(file) {
file.copy(from = sample_data_file(), to = file, overwrite = TRUE)
}
)
# download sample results file
output$sampleResultsFile <- downloadHandler(
filename = function() { "example_dataset.csv" },
content = function(file) {
file.copy(from = sample_results_file(), to = file, overwrite = TRUE)
}
)
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