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annotate scripts/plot/private/__uiobject_split_args__.m @ 14138:72c96de7a403 stable

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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents 9cae456085c2
children 1c89599167a6
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1 ## Copyright (C) 2012 Michael Goffioul
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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{p}, @var{args}] =} __uiobject_split_args__ (@var{who}, @var{args}, @var{parent_type}, @var{use_gcf})
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21 ## @end deftypefn
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22
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23 ## Author: goffioul
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24
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25 function [parent, args] = __uiobject_split_args__ (who, in_args, parent_type = {}, use_gcf = 1)
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26
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27 parent = [];
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28 args = {};
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29 offset = 1;
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30
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31 if (! isempty (in_args))
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32 if (ishandle (in_args{1}))
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33 parent = in_args{1};
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34 offset = 2;
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35 elseif (! ischar (in_args{1}))
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36 error ("%s: invalid parent handle.", who);
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37 endif
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38
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39 args = in_args(offset:end);
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40 endif
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41
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42 if (rem (length (args), 2))
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43 error ("%s: expecting PROPERTY/VALUE pairs", who);
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44 endif
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45
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46 if (! isempty (args))
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47 i = find (strcmpi (args(1:2:end), "parent"), 1, "first");
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48 if (! isempty (i) && length (args) >= 2*i)
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49 parent = args{2*i};
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50 if (! ishandle (parent))
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51 error ("%s: invalid parent handle.", who);
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52 endif
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53 args([2*i-1, 2*i]) = [];
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54 endif
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55 endif
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56
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57 if (! isempty (parent))
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58 if (! isempty (parent_type) && isempty (find (strcmpi (get (parent, "type"), parent_type))))
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59 error ("%s: invalid parent, the parent type must be: %s", ...
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60 who, sprintf ("%s, ", parent_type{:})(1:end-2));
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61 endif
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62 elseif (use_gcf)
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63 parent = gcf ();
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64 endif
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65
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66 endfunction