--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@ltpda_obj/isprop.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,109 @@
+% ISPROP tests if the given field is one of the object properties.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: ISPROP tests if the given field is one of the object properties.
+%
+% CALL:        obj.isprop('field');
+%              isprop(obj, 'field');
+%
+% INPUTS:      obj   - Input objects
+%              field - Property name of the object
+%
+% <a href="matlab:utils.helper.displayMethodInfo('ltpda_obj', 'isprop')">Parameters Description</a>
+%
+% VERSION:     $Id: isprop.m,v 1.13 2011/04/08 08:56:37 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = isprop(varargin)
+
+  callerIsMethod = utils.helper.callerIsMethod;
+  
+  %%% Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    varargout{1} = getInfo(varargin{3});
+    return
+  end
+
+  if callerIsMethod
+    objs = [varargin{1:end-1}];
+    field = varargin{end};
+  else
+    %%% Collect input variable names
+    in_names = cell(size(varargin));
+    for ii = 1:nargin,in_names{ii} = inputname(ii);end
+    
+    %%% Collect all objects
+    [objs, invars, rest] = utils.helper.collect_objects(varargin(:), '', in_names);
+    
+    %%% If we eliminated the objects and plists then is the rest the property name
+    if length(rest) == 1
+      field = rest{1};
+    else
+      error('### Please specify [only one] field-name.')
+    end
+  end
+  
+  res = zeros(size(objs));
+
+  if any(strcmp(field, properties(objs)))
+    res = ones(size(objs));
+  else
+    zeros(size(objs));
+  end
+
+  %%% prepare output
+  varargout{1} = res;
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%                               Local Functions                               %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% FUNCTION:    getInfo
+%
+% DESCRIPTION: Get Info Object
+%
+% HISTORY:     11-07-07 M Hewitson
+%                Creation.
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+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, 'ltpda_obj', 'ltpda', utils.const.categories.internal, '$Id: isprop.m,v 1.13 2011/04/08 08:56:37 hewitson Exp $', sets, pl);
+  ii.setModifier(false);
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% FUNCTION:    getDefaultPlist
+%
+% DESCRIPTION: Get Default Plist
+%
+% HISTORY:     11-07-07 M Hewitson
+%                Creation.
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function plout = getDefaultPlist()
+  persistent pl;  
+  if exist('pl', 'var')==0 || isempty(pl)
+    pl = buildplist();
+  end
+  plout = pl;  
+end
+
+function pl = buildplist()
+  pl = plist.EMPTY_PLIST;
+end
+