{% load i18n %}
{% if not cloud_mode or not no_quota %}
<script type="text/javascript">
function gen_uuid() {
    var uuid = "";
    for (var i=0; i < 32; i++) {
        uuid += Math.floor(Math.random() * 16).toString(16); 
    }
    return uuid;
}

function submit_and_real_time_show (dialog_id) {
    var form = $(dialog_id + ' form')[0],
        uuid = gen_uuid(); // id for this upload so we can fetch progress info.
    $(dialog_id + ' #upload-progress').removeClass('hide');

    // Append X-Progress-ID uuid form action
    form.action += (form.action.indexOf('?') == -1 ? '?' : '&') + 'X-Progress-ID=' + uuid;
    form.submit();
    $(dialog_id + ' form .submit').addClass('hide');

    // Update progress bar: not work in chrome.
    function update_progress_info() {
        $.ajax({
            url: '{{ httpserver_root }}/upload_progress/?X-Progress-ID=' + uuid + '&callback=?', 
            dataType: 'jsonp',
            cache: false,
            success: function(data) {
                if (data) {
                    $(dialog_id + ' #upload-progress-text').html(filesizeformat(data.uploaded) + ' / ' +  filesizeformat(data.length));
                    $(dialog_id + ' #task-progress-bar').removeClass('hide').progressbar({
                            value: data.uploaded / data.length * 100
                    });
                }
            }
        });
        setTimeout(update_progress_info, 1000);
    };
    update_progress_info();

    // Update progress bar: for chrome 
    if ($.browser.safari) {
        $(dialog_id + ' iframe').attr('src', '{{ SITE_ROOT }}file_upload_progress_page/?uuid=' + uuid + '&dlg_id=' + dialog_id.substr(1));
    }

    return false;
};

$('#upload-file-form .submit').click(function () {
    if (!$.trim($('#upload-file-form input[type=file]').val())) {
        $('#upload-file-form .error').html('{% trans "Please choose a file at first." %}').removeClass('hide');
        return false;
    }

    $('#upload-file-form .error').addClass('hide');
    
    $.fn.MultiFile.disableEmpty(); // disable dummy element before submiting the form
    submit_and_real_time_show('#upload-file-dialog');
    return false;
});

$('#upload-file-dialog #upload-cancel').click(function() {
    location.reload(true);
});

$('#update-file-form .submit').click(function () {
    if (!$.trim($('#update-file-form input[type=file]').val())) {
        $('#update-file-form .error').html('{% trans "Please choose a file at first." %}').removeClass('hide');
        return false;
    }

    $('#update-file-form .error').addClass('hide');
    
    $.fn.MultiFile.disableEmpty(); // disable dummy element before submiting the form
    submit_and_real_time_show('#update-file-dialog');
    return false;
});

$('#update-file-dialog #upload-cancel').click(function() {
    location.reload(true);
});

</script>
{% endif %}