Is there any good ways to cancel file uploading from client side. I am
using FileUpload with FormPanel and when the user open file from
"Choose file" dialog it's automaticly start loading file to server
side. If the file is really big and user have low upstream the loading
will take too much time and I want offer cancel functionality.
// fileUpload onEvent
public void onEvent(Event event)
{
String file = fileUpload.getFilename();
if(!file.equals(""))
{
formPanel.submit();
}
}
// FormPanel onSubmit
public void onSubmit(FormSubmitEvent event)
{
// Show loading and Cancel now
}
public void onSubmitComplete(FormSubmitCompleteEvent event)
{
// Hide loading and Cancel and show ok if success
}
How can I cancel form submission/file uploading?
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