--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@collection/removeObjectAtIndex.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,118 @@
+% REMOVEOBJECTATINDEX removes the object at the specified position from the collection.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% DESCRIPTION: REMOVEOBJECTATINDEX removes the object at the specified
+%              position from the collection.
+%
+% CALL:        coll = removeObjectAtIndex(coll, 1, 2)
+%              coll = coll.removeObjectAtIndex(plist('index', [1 2]));
+%
+% <a href="matlab:utils.helper.displayMethodInfo('collection', 'removeObjectAtIndex')">Parameters Description</a>
+%
+% VERSION:     $Id: removeObjectAtIndex.m,v 1.7 2011/04/08 08:56:22 hewitson Exp $
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+function varargout = removeObjectAtIndex(varargin)
+  
+  %%% Check if this is a call for parameters
+  if utils.helper.isinfocall(varargin{:})
+    varargout{1} = getInfo(varargin{3});
+    return
+  end
+  
+  %%% Internal call: Only one object + don't look for a plist
+  if strcmp(varargin{end}, 'internal')
+    %%% decide whether we modify the first object, or create a new one.
+    varargin{1} = copy(varargin{1}, nargout);
+    for ii = 1:numel(varargin{1})
+      varargin{1}(ii).objs(varargin{2}) = [];
+    end
+    varargout{1} = varargin{1};
+    return
+  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 objects
+  [colls, colls_invars, rest] = utils.helper.collect_objects(varargin(:), 'collection', in_names);
+  [pls,  dummy, rest]         = utils.helper.collect_objects(rest(:), 'plist');
+  [idxs, dummy, rest]         = utils.helper.collect_objects(rest(:), 'double');
+  
+  %%% If pls contains only one plist with the single key 'object' and
+  %%% 'index' then set the property with a plist.
+  if length(pls) == 1 && isa(pls, 'plist') && nparams(pls) == 1 && pls.isparam('index')
+    idxs = pls.find('index');
+  end
+  
+  if isempty(idxs)
+    error('### Please specify an index in a plist or direct.');
+  end
+  
+  %%% Create plist for history
+  plh = combine(pls, plist('index', idxs));
+  
+  % Decide on a deep copy or a modify
+  colls = copy(colls, nargout);
+  
+  % Loop over objects
+  for oo=1:numel(colls)
+    colls(oo).objs(idxs) = [];
+    colls(oo).addHistory(getInfo('None'), plh, colls_invars(oo), colls(oo).hist);
+  end
+  
+  % Set output
+  if nargout == numel(colls)
+    % List of outputs
+    for ii = 1:numel(colls)
+      varargout{ii} = colls(ii);
+    end
+  else
+    % Single output
+    varargout{1} = colls;
+  end
+end
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%                               Local Functions                               %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%--------------------------------------------------------------------------
+% 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: removeObjectAtIndex.m,v 1.7 2011/04/08 08:56:22 hewitson Exp $', sets, pl);
+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({'index', 'Position of the object in the collection.'}, paramValue.EMPTY_DOUBLE);
+  plo.append(p);
+  
+end
+