vb_file_select

 file select dialog
 [USAGE]
    [dir, fnames] = vb_file_select(<ext> [,caption] [,save_mode]);
 [IN]
      ext     : file extension (ex. {'.img', '.txt'}) {Nx1}
      caption : dialog title(string)                  [string]
    save_mode : = true  : save file selection mode.
                = false : load file selection mode. <<DEFAULT>>

 [OUT] dir       : selected directory.
       fnames{n} : selected filenames.


 Copyright (C) 2011, ATR All Rights Reserved.
 License : New BSD License(see VBMEG_LICENSE.txt)

0001 function [dir, fnames] = vb_file_select(ext, caption, save_mode)
0002 % file select dialog
0003 % [USAGE]
0004 %    [dir, fnames] = vb_file_select(<ext> [,caption] [,save_mode]);
0005 % [IN]
0006 %      ext     : file extension (ex. {'.img', '.txt'}) {Nx1}
0007 %      caption : dialog title(string)                  [string]
0008 %    save_mode : = true  : save file selection mode.
0009 %                = false : load file selection mode. <<DEFAULT>>
0010 %
0011 % [OUT] dir       : selected directory.
0012 %       fnames{n} : selected filenames.
0013 %
0014 %
0015 % Copyright (C) 2011, ATR All Rights Reserved.
0016 % License : New BSD License(see VBMEG_LICENSE.txt)
0017 persistent HISTORY; % file choice history
0018 
0019 dir = [];
0020 fnames= [];
0021 
0022 if ~exist('save_mode', 'var')
0023     save_mode = false;
0024 end
0025 
0026 h = file_dialog;
0027 % Set extension
0028 h = set(h, 'file_extensions', ext);
0029 
0030 % Set caption
0031 if exist('caption', 'var') && ~isempty(caption)
0032     h.dialog_title = caption;
0033 end
0034 
0035 % Set Save mode
0036 h = set(h, 'save_mode', save_mode);
0037 
0038 % Add history to dialog
0039 hist_num = length(HISTORY);
0040 if ~isempty(HISTORY)
0041     h = set(h, 'hist_dir', HISTORY);
0042     h = set(h, 'current_dir', char(HISTORY{hist_num}));
0043 end
0044 
0045 [dir fnames] = visible(h);
0046 
0047 % Save history
0048 if ~isempty(dir)
0049     % Duplication check
0050     idx = strmatch(dir, HISTORY, 'exact');
0051     if isempty(idx)
0052         HISTORY{hist_num+1} = dir;
0053     else
0054         HISTORY(idx) = [];
0055         HISTORY{end+1} = dir;
0056     end
0057 end