% POP_STDWARN - check memory options and issue warning for studies.

%

% Usage: >> pop_stdwarn;

%

% Author: Arnaud Delorme, CERCO, 2007

%

% See also: EEG_OPTIONS

% Copyright (C) Arnaud Delorme, CERCO, 2007, arno@salk.edu

%

% This file is part of EEGLAB, see http://www.eeglab.org

% for the documentation and details.

%

% Redistribution and use in source and binary forms, with or without

% modification, are permitted provided that the following conditions are met:

%

% 1. Redistributions of source code must retain the above copyright notice,

% this list of conditions and the following disclaimer.

%

% 2. Redistributions in binary form must reproduce the above copyright notice,

% this list of conditions and the following disclaimer in the documentation

% and/or other materials provided with the distribution.

%

% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

% THE POSSIBILITY OF SUCH DAMAGE.

res = 0;

eeglab_options;

if ~option_storedisk

    vartext = strvcat('Your memory options currently allow to store all datasets in memory (RAM)!', ' ', ...

                   'If your study contains a large number of datasets, you should change the memory', ...

                   'settings to allow EEGLAB to only read the dataset header (cancel next action and', ...

                   'use menu item "File > Preferences" - first checkbox to allow at most one dataset at a', ...

                   'time in memory). Otherwise your computer might run out of memory.', ' ', ...

                   'NOTE that this is a REQUIRED step to load the tutorial study since it does not', ...

                   'contain the EEG data.', ' ');

    res = questdlg2(vartext, 'Study warning', 'Cancel', 'OK', 'OK');

    if strcmpi(res, 'Cancel'),return; end

end