update packages

[CreaPhase.git] / octave_packages / m / plot / private / __fltk_file_filter__.m

diff --git a/octave_packages/m/plot/private/__fltk_file_filter__.m b/octave_packages/m/plot/private/__fltk_file_filter__.m
new file mode 100644 (file)
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+++ b/octave_packages/m/plot/private/__fltk_file_filter__.m
@@ -0,0 +1,64 @@
+## Copyright (C) 2012 Michael Goffioul
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {@var{filterspec} =} __fltk_file_filter__ (@var{filter})
+## Undocumented internal function.
+## @end deftypefn
+
+## Author: Michael Goffioul
+
+function retval = __fltk_file_filter__ (file_filter)
+
+  retval = "";
+  [r, c] = size (file_filter);
+  if ((c == 0) || (c > 2))
+    error ("expecting 1 or to 2 columns for file filter cell");
+  endif
+  fltk_str = "";
+  for idx = 1 : r
+
+    curr_ext = file_filter{idx, 1};
+    curr_ext = strsplit (curr_ext, ";");
+
+    if (length (curr_ext) > 1)
+      curr_ext = regexprep (curr_ext, '\*\.', ',');
+      curr_ext = strcat (curr_ext{:})(2 : end);
+      curr_ext = strcat ("*.{", curr_ext, "}");
+    else
+      curr_ext = curr_ext{:};
+    endif
+
+    curr_desc = strcat (curr_ext(3:end), "-Files");
+
+    if (c == 2)
+      curr_desc = file_filter{idx, 2};
+      curr_desc = regexprep (curr_desc, '\(', '<');
+      curr_desc = regexprep (curr_desc, '\)', '>');
+    endif
+
+    if (length (fltk_str) > 0)
+      fltk_str = strcat (fltk_str, "\t", curr_desc, " (", curr_ext, ")");
+    else
+      fltk_str = strcat (curr_desc, " (", curr_ext, ")");
+    endif
+
+  endfor
+  retval = fltk_str;
+
+endfunction