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October 20, 2016 10:35
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Reset shiny fileInput object (see SO question http://stackoverflow.com/questions/17352086/how-can-i-update-an-shiny-fileinput-object)
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| shinyServer(function(input, output, session) { | |
| observe({ | |
| input$btn | |
| session$sendCustomMessage(type = "resetFileInputHandler", "file1") | |
| }) | |
| }) |
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| shinyUI(bootstrapPage( | |
| fileInput('file1', 'Choose File'), | |
| actionButton("btn", "Trigger server to reset file input"), | |
| tags$script(' | |
| Shiny.addCustomMessageHandler("resetFileInputHandler", function(x) { | |
| var id = "#" + x + "_progress"; | |
| var idBar = id + " .bar"; | |
| $(id).css("visibility", "hidden"); | |
| $(idBar).css("width", "0%"); | |
| }); | |
| ') | |
| )) | |
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Hello,
thanks for this trick! I was using it for a while, but now it's not working with Shiny 0.14, since they are using different upload button style.