Choose File not responding

[jamesmckownbishop]

The ARC testing interface does not load a file if it was loaded before selecting a random task.

To replicate, perform the following twice:

• Click "Random task"
• Click "Choose File" and select a file (must be same file both times)

The last step should load the selected file, but instead does nothing.

[fchollet]

@ageron maybe this is related to the recent changes?

[ageron]

Indeed, probably, looking into it now.

[ageron]

Loading the same file multiple times using the file input will only trigger a "change" event the very first time, so the following code only runs once when you load the same file over and over again:

$('.load_task').on('change', function(event) {
        loadTaskFromFile(event);
    });

This means that if the user loads a task file, then tweaks it, then tries to load it again, nothing will happen.

The best solution I could find is to clear the file input when it is clicked, and also when a random task is successfully loaded (see PR #22). I just set the file input's value to an empty string: I believe this works in all recent browsers, but I just tested with the latest Chrome and Safari.