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annotate scripts/plot/uigetfile.m @ 15466:d174210ce1ec stable

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use ' instead of ` in error messages, warnings and most comments * intro.txi, io.txi, munge-texi.cc, octave.texi, cmd-edit.cc, data-conv.cc, file-ops.cc, glob-match.h, kpse.cc, oct-env.cc, oct-locbuf.h, oct-md5.cc, oct-rand.cc, general/interp2.m, doc.m, get_first_help_sentence.m, help.m, print_usage.m, __additional_help_message__.m, type.m, unimplemented.m, which.m, cast.m, dir.m, license.m, mkoctfile.m, recycle.m, tempdir.m, optimset.m, pkg/pkg.m, closereq.m, colstyle.m, __fltk_print__.m, __gnuplot_print__.m, __go_draw_figure__.m, __pie__.m, __pltopt__.m, __print_parse_opts__.m, uigetdir.m, uigetfile.m, uiputfile.m, stft.m, mean.m, anova.m, cor_test.m, t_test_regression.m, __magick_read__.cc, dlmread.cc, schur.cc, data.cc, debug.cc, defun-dld.h, defun.cc, defun.h, dynamic-ld.cc, error.cc, error.h, gl-render.cc, graphics.cc, gripes.cc, input.cc, lex.ll, load-path.cc, load-save.cc, ls-hdf5.cc, ls-mat-ascii.cc, ls-mat4.cc, ls-mat5.cc, ls-oct-ascii.cc, ls-oct-binary.cc, oct-hist.cc, oct-parse.yy, oct-stream.cc, oct-stream.h, octave.cc, ov-base-diag.cc, ov-base.cc, ov-class.cc, ov-colon.h, ov-struct.cc, ov-typeinfo.cc, ov.cc, pager.cc, pr-output.cc, pt-binop.cc, pt-eval.cc, pt-id.cc, pt-idx.cc, pt-misc.cc, pt-unop.cc, symtab.cc, symtab.h, toplev.cc, txt-eng-ft.cc, utils.cc, variables.cc, test_eval-catch.m, test_try.m: Use ' instead of ` in error messages, warnings, and most comments.
author John W. Eaton <jwe@octave.org>
date Mon, 01 Oct 2012 17:18:49 -0400
parents 72c96de7a403
children 049e8bbff782
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2010-2012 Kai Habel
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {[@var{fname}, @var{fpath}, @var{fltidx}] =} uigetfile ()
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21 ## @deftypefnx {Function File} {[@dots{}] =} uigetfile (@var{flt})
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22 ## @deftypefnx {Function File} {[@dots{}] =} uigetfile (@var{flt}, @var{dialog_name})
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23 ## @deftypefnx {Function File} {[@dots{}] =} uigetfile (@var{flt}, @var{dialog_name}, @var{default_file})
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24 ## @deftypefnx {Function File} {[@dots{}] =} uigetfile (@dots{}, "Position", [@var{px} @var{py}])
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25 ## @deftypefnx {Function File} {[@dots{}] =} uigetfile (@dots{}, "MultiSelect", @var{mode})
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26 ##
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27 ## Open a GUI dialog for selecting a file. It returns the filename @var{fname},
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28 ## the path to this file @var{fpath}, and the filter index @var{fltidx}.
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29 ## @var{flt} contains a (list of) file filter string(s) in one of the following
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30 ## formats:
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31 ##
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32 ## @table @asis
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33 ## @item "/path/to/filename.ext"
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34 ## If a filename is given then the file extension is extracted and used as
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35 ## filter. In addition, the path is selected as current path and the filename
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36 ## is selected as default file. Example: @code{uigetfile ("myfun.m")}
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37 ##
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38 ## @item A single file extension "*.ext"
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39 ## Example: @code{uigetfile ("*.ext")}
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40 ##
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41 ## @item A 2-column cell array
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42 ## containing a file extension in the first column and a brief description
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43 ## in the second column.
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44 ## Example: @code{uigetfile (@{"*.ext", "My Description";"*.xyz",
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45 ## "XYZ-Format"@})}
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46 ##
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47 ## The filter string can also contain a semicolon separated list of filter
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48 ## extensions.
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49 ## Example: @code{uigetfile (@{"*.gif;*.png;*.jpg", "Supported Picture
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50 ## Formats"@})}
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51 ## @end table
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52 ##
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53 ## @var{dialog_name} can be used to customize the dialog title.
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54 ## If @var{default_file} is given then it will be selected in the GUI dialog.
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55 ## If, in addition, a path is given it is also used as current path.
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56 ##
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57 ## The screen position of the GUI dialog can be set using the "Position" key
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58 ## and a 2-element vector containing the pixel coordinates.
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59 ## Two or more files can be selected when setting the "MultiSelect" key to "on".
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60 ## In that case @var{fname} is a cell array containing the files.
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61 ## @end deftypefn
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62
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63 ## Author: Kai Habel
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64
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65 function [retfile, retpath, retindex] = uigetfile (varargin)
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66
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67 defaulttoolkit = get (0, "defaultfigure__graphics_toolkit__");
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68 funcname = ["__uigetfile_", defaulttoolkit, "__"];
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69 functype = exist (funcname);
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70 if (! __is_function__ (funcname))
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71 funcname = "__uigetfile_fltk__";
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72 if (! __is_function__ (funcname))
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73 error ("uigetfile: fltk graphics toolkit required");
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74 elseif (! strcmp (defaulttoolkit, "gnuplot"))
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75 warning ("uigetfile: no implementation for toolkit '%s', using 'fltk' instead",
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76 defaulttoolkit);
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77 endif
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78 endif
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79
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80 if (nargin > 7)
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81 error ("uigetfile: number of input arguments must be less than eight");
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82 endif
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83
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84 defaultvals = {cell(0, 2), # File Filter
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85 "Open File", # Dialog Title
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86 "", # Default file name
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87 [240, 120], # Dialog Position (pixel x/y)
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88 "off", # MultiSelect on/off
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89 pwd}; # Default directory
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90
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91 outargs = cell (6, 1);
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92 for i = 1 : 6
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93 outargs{i} = defaultvals{i};
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94 endfor
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95
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96 idx1 = idx2 = [];
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97 if (length (varargin) > 0)
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98 for i = 1 : length (varargin)
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99 val = varargin{i};
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100 if (ischar (val))
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101 if (strncmpi (val, "multiselect", 11))
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102 idx1 = i;
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103 elseif (strncmpi (val, "position", 8))
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104 idx2 = i;
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105 endif
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106 endif
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107 endfor
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108 endif
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109
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110 stridx = [idx1, idx2, 0];
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111 if (length (stridx) > 1)
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112 stridx = min (stridx(1 : end - 1));
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113 endif
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114
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115 args = varargin;
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116 if (stridx)
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117 args = varargin(1 : stridx - 1);
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118 endif
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119
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120 len = length (args);
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121 if (len > 0)
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122 file_filter = args{1};
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123 [outargs{1}, outargs{3}, defdir] = __file_filter__ (file_filter);
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124 if (length (defdir) > 0)
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125 outargs{6} = defdir;
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126 endif
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127 else
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128 outargs{1} = __file_filter__ (outargs{1});
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129 endif
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130
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131 if (len > 1)
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132 if (ischar (args{2}))
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133 if (length (args{2}) > 0)
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134 outargs{2} = args{2};
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135 endif
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136 elseif (! isempty (args{2}))
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137 print_usage ();
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138 endif
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139 endif
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140
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141 if (len > 2)
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142 if (ischar (args{3}))
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143 [fdir, fname, fext] = fileparts (args{3});
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144 if (length (fdir) > 0)
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145 outargs{6} = fdir;
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146 endif
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147 if (length (fname) > 0 || length (fext) > 0)
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148 outargs{3} = strcat (fname, fext);
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149 endif
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150 elseif (! isempty (args{3}))
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151 print_usage ();
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152 endif
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153 endif
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154
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155 if (stridx)
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156 ## we have string arguments ("position" or "multiselect")
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157
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158 ## check for even number of remaining arguments, prop/value pair(s)
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159 if (rem (nargin - stridx + 1, 2))
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160 error ("uigetfile: expecting property/value pairs");
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161 endif
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162
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163 for i = stridx : 2 : nargin
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164 prop = varargin{i};
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165 val = varargin{i + 1};
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166 if (strncmp (tolower (prop), "position", 8))
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167 if (ismatrix (val) && length(val) == 2)
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168 outargs{4} = val;
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169 else
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170 error ("uigetfile: expecting 2-element vector for position argument");
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171 endif
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172 elseif (strncmp (tolower (prop), "multiselect", 11))
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173 if (ischar (val))
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174 outargs{5} = tolower (val);
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175 else
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176 error ("uigetfile: expecting string argument (on/off) for multiselect");
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177 endif
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178 else
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179 error ("uigetfile: unknown argument");
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180 endif
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181 endfor
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182 endif
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183
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184 [retfile, retpath, retindex] = feval (funcname, outargs{:});
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185
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186 endfunction
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187
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188 %!demo
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189 %! uigetfile({"*.gif;*.png;*.jpg", "Supported Picture Formats"})
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190
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191 ## Remove from test statistics. No real tests possible.
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192 %!test
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193 %! assert (1);