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## Copyright (C) 2007 Kai Habel
##
## This program 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 2, or (at your option)
## any later version.
##
## OctPlot 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 OctPlot; see the file COPYING. If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## -*- texinfo -*-
## @deftypefn {Function File} {} @var{go} = findobj (@var{propname1}, @var{propvalue1}, ...)
## @deftypefnx {Function File} {} @var{go} = findobj (@var{h}, @var{propname1}, @var{propvalue1}, ...)
## @deftypefnx {Function File} {} @var{go} = findobj (@var{h}, 'flat', @var{propname1}, @var{propvalue1}, ...)
## @deftypefnx {Function File} {} @var{go} = findobj (@var{h})
## @deftypefnx {Function File} {} @var{go} = findobj ()
## Returns all graphic objects @var{go} that contain property/values pair(s)
## @var{propname1}, @var{propvalue1}, ... .
## If @var{h} is given the search is restricted to object tree below @var{h} and @var{h} itself.
## A second argument 'flat' restricts the search to the objects given in @var{h}.
## If no property/value pair(s) are given all graphic objects below @var{h} or the root are returned.
##
## @seealso{isprop, ishandle, set, get}
## @end deftypefn
## Author: Kai Habel
function obj = findobj(varargin)
obj = [];
gobj = 0;
arglist = varargin;
flat = false;
# find the 'special' cases
if (length(arglist) > 0)
if ishandle(arglist{1})
gobj = arglist{1};
arglist = arglist(2 : end);
if (length(arglist) > 0)
if strcmp(tolower(arglist(1)), 'flat')
flat = true;
arglist = arglist(2 : end);
end
end
end
end
if (length(arglist) == 0)
obj = [obj; gobj(:)];
for i = 1 : length(gobj)
if (isprop(gobj(i), 'Children'))
ch = get(gobj(i), 'Children');
if ((length(ch) > 0) & !flat)
obj = [obj; findobj(ch)];
end
end
end
else
# we have propname/propvalues pair(s)
propnames = arglist(1 : 2 : end);
propvalues = arglist(2 : 2 : end);
if (flat)
obj_lst = findobj(gobj, 'flat');
else
obj_lst = findobj(gobj);
end
for i = 1 : length(obj_lst)
go = obj_lst(i);
if (ishandle(go))
incl = true;
for i = 1 : length(propnames)
# check each property
propname = propnames{i};
propvalue = propvalues{i};
h = [];
if isprop(go, propname)
val = get(go, propname);
if (length(val) > 0)
if isstr(val)
# for string valued properties
if (strcmp(val, tolower(propvalue)) == 1)
h = go;
end
else
# for numeric properties
if all(val == propvalue)
h = go;
end
end
end
end
if (length(h) == 0)
incl = false;
end
end
if (incl)
obj = [obj; h];
end
end
end
end
end
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