fc_loadData(list_startNodes)

% Loads a network data file previously saved by download().
% It is called from the gui. Returns:
% 'data' (the main data structure), 
% 'net' (a numerical connectivity matrix made by makeNet)
% and 'netLabels' (a cell array of labels which index 'net')

function [data, net, netLabels] = fc_loadData(list_startNodes)

[network_name, network_path] = uigetfile('.mat','Select .mat file containing network data');
networkData = [network_path network_name];

% If the user did not select a file..
if isequal(network_path,0) | isequal(network_name,0)
    errordlg('You must select a .mat file containing a data structure called ''data''')
    data = [];
    net = [];
    netLabels = [];
    set(gca, 'visible', 'off');
    return;
else
    try
        load (networkData);
    catch
        errordlg(['Error opening .mat file :' lasterr])
        data = [];
        net = [];
        netLabels = [];
        set(gca, 'visible', 'off');
        return;
    end
end

fc_saveLog(['Loaded network data from file ' networkData]);

% Make the connectivity matrix
[net netLabels] = makeNet(data);

return;