--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@collection/getObjectsOfClass.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,102 @@
+% GETOBJECTSOFCLASS returns all objects of the specified class in a collection-object.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: GETOBJECTSOFCLASS returns all objects of the specified class
+%              in a collection-object.
+%              This doesn't captures the history.
+%
+% CALL:        b = getObjectsOfClass(coll, i)
+%              b = getObjectsOfClass(coll, i, j)
+%              b = coll.getObjectsOfClass(plist('class', 'ao'))
+%
+% <a href="matlab:utils.helper.displayMethodInfo('collection', 'getObjectsOfClass')">Parameters Description</a>
+%
+% VERSION:     $Id: getObjectsOfClass.m,v 1.7 2011/04/08 08:56:21 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = getObjectsOfClass(varargin)
+  
+  % Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    varargout{1} = getInfo(varargin{3});
+    return
+  end
+  
+  if nargout == 0
+    error('### getObjectsOfClass cannot be used as a modifier. Please give an output variable.');
+  end
+  
+  import utils.const.*
+  utils.helper.msg(msg.PROC3, 'running %s/%s', mfilename('class'), mfilename);
+  
+  % Collect input variable names
+  in_names = cell(size(varargin));
+  for ii = 1:nargin,in_names{ii} = inputname(ii);end
+  
+  % Collect all 'ltpda_uoh' objects and plists
+  [colls, obj_invars, rest] = utils.helper.collect_objects(varargin(:), 'collection', in_names);
+  [pl, pl_invars, rest] = utils.helper.collect_objects(rest(:), 'plist', in_names);
+  
+  % Combine plists
+  pl = combine(pl, getDefaultPlist);
+  
+  cl = pl.find('class');
+  
+  if isempty(cl) && ~isempty(rest)
+    cl = rest{1};
+    pl.pset('class', cl);
+  end
+  
+  if isempty(cl) || ~ischar(cl)
+    error('### Please specify the class as a string in a plist or direct.');
+  end
+  
+  objs = [];
+  
+  for oo = 1:numel(colls)
+    for ii = 1:numel(colls(oo).objs)
+      if isa(colls(oo).objs{ii}, cl)
+        objs = [objs colls(oo).objs{ii}];
+      end
+    end
+  end
+  
+  % Set output
+  varargout{1} = objs;
+end
+
+%--------------------------------------------------------------------------
+% Get Info Object
+%--------------------------------------------------------------------------
+function ii = getInfo(varargin)
+  if nargin == 1 && strcmpi(varargin{1}, 'None')
+    sets = {};
+    pl   = [];
+  else
+    sets = {'Default'};
+    pl   = getDefaultPlist;
+  end
+  % Build info object
+  ii = minfo(mfilename, 'collection', 'ltpda', utils.const.categories.helper, '$Id: getObjectsOfClass.m,v 1.7 2011/04/08 08:56:21 hewitson Exp $', sets, pl);
+  ii.setModifier(false);
+end
+
+%--------------------------------------------------------------------------
+% Get Default Plist
+%--------------------------------------------------------------------------
+function plout = getDefaultPlist()
+  persistent pl;  
+  if exist('pl', 'var')==0 || isempty(pl)
+    pl = buildplist();
+  end
+  plout = pl;  
+end
+
+function plo = buildplist()
+  plo = plist();
+  
+  p = param({'class', 'Class name which should be collected.'}, paramValue.EMPTY_STRING);
+  plo.append(p);
+end
+