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1 ## Copyright (C) 2005 John W. Eaton |
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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 2, or (at your option) |
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8 ## 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, write to the Free |
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17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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18 ## 02110-1301, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} delete (@var{h}) |
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22 ## Delete the graphics object @var{h} |
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23 ## @end deftypefn |
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24 |
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25 ## Author: jwe |
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26 |
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27 function __uiobject_delete__ (h) |
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28 |
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29 if (nargin == 1) |
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30 if (ishandle (h)) |
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31 obj = get (h); |
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32 if (strcmp (obj.type, "figure")) |
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33 ps = obj.__plot_stream__; |
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34 if (any (ps == fopen ("all"))) |
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35 pclose (ps); |
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36 endif |
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37 endif |
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38 if (isfield (obj, "__dtor__")) |
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39 feval (obj.__dtor__, obj); |
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40 else |
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41 for child = obj.children |
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42 delete (child); |
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43 endfor |
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44 endif |
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45 ## Also remove this object from its parent's list of children. |
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46 if (isfield (obj, "parent")) |
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47 parent = obj.parent; |
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48 kids = get (parent, "children"); |
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49 kids(kids == h) = []; |
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50 set (parent, "children", kids); |
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51 endif |
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52 __uiobject_free__ (h); |
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53 else |
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54 error ("delete: expecting argument to be a graphics object"); |
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55 endif |
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56 else |
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57 print_usage (); |
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58 endif |
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59 |
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60 endfunction |
