+
−% INDEX index into a 'ltpda_uoh' object array or matrix. This properly captures the history.
+
−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
−%
+
−% DESCRIPTION: INDEX into an 'ltpda_uoh' object array or matrix.
+
−%              This properly captures the history.
+
−%
+
−% CALL:        b = index(a, i)
+
−%              b = index(a, i, j)
+
−%              b = a.index(plist('I', i))
+
−%              b = a.index(plist('I', i, 'J', j))
+
−%
+
−% <a href="matlab:utils.helper.displayMethodInfo('ltpda_uoh', 'index')">Parameters Description</a>
+
−%
+
−% VERSION:     $Id: index.m,v 1.13 2011/04/08 08:56:30 hewitson Exp $
+
−%
+
−%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
−
+
−
+
−function varargout = index(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('### index 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);
+
−
+
−  % We can only effectively handle a single matrix of 'ltpda_uoh' objects
+
−  af = 0;
+
−  for j=1:nargin
+
−    if isa(varargin{j}, 'ltpda_uoh')
+
−      af = af + 1;
+
−    end
+
−  end
+
−  if af > 1
+
−    error('### Input a single matrix of ''ltpda_uoh'' objects for indexing.');
+
−  end
+
−
+
−  % 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
+
−  [aobjs, obj_invars] = utils.helper.collect_objects(varargin(:), 'ltpda_uoh', in_names);
+
−  [pl, pl_invars, rest] = utils.helper.collect_objects(varargin(:), 'plist', in_names);
+
−
+
−  % Decide on a deep copy or a modify
+
−  bobjs = copy(aobjs, nargout);
+
−
+
−  % Combine plists
+
−  pl = combine(pl, getDefaultPlist);
+
−
+
−  % Get indices
+
−  idxi  = find(pl, 'i');
+
−  idxj  = find(pl, 'j');
+
−  if isempty(idxi) || isempty(idxj)
+
−    % go through the other inputs
+
−    for j=1:numel(rest)
+
−      if isnumeric(rest{j}) && isempty(idxi)
+
−        idxi = rest{j};
+
−      elseif isnumeric(rest{j}) && isempty(idxj)
+
−        idxj = rest{j};
+
−      end
+
−    end
+
−  end
+
−
+
−  if isempty(idxi) && isempty(idxj)
+
−    error('### Please provide an index of index pair.');
+
−  end
+
−
+
−  % Gather the input histories
+
−  inhists = [];
+
−  for j=1:numel(bobjs)
+
−    inhists = [inhists bobjs(j).hist];
+
−  end
+
−
+
−  % Now index with either (i) or (i,j)
+
−  if isempty(idxj)
+
−    aout = bobjs(idxi);
+
−    inhists = inhists(idxi);
+
−  else
+
−    aout = bobjs(idxi, idxj);
+
−    inhists = inhists(sub2ind(size(bobjs), idxi, idxj));
+
−  end
+
−
+
−  % Make sure we store the indices
+
−  pl = pl.pset('i', idxi);
+
−  if ~isempty(idxj)
+
−    pl = pl.pset('j', idxj);
+
−  end
+
−
+
−  % Name and add history to all outputs
+
−  for j=1:numel(aout)
+
−    if isempty(idxj)
+
−%      aout(j).name = sprintf('(%s)(%d)', obj_invars{idxi(j)}, idxi(j));
+
−      aout(j).addHistory(getInfo('None'), pl, obj_invars(idxi), inhists(j));
+
−    else
+
−%      aout(j).name = sprintf('%s', obj_invars{sub2ind(size(aobjs), idxi,idxj)});
+
−      aout(j).addHistory(getInfo('None'), pl, obj_invars(sub2ind(size(aobjs), idxi,idxj)), inhists(j));
+
−    end
+
−  end
+
−
+
−  % Set output
+
−  varargout{1} = aout;
+
−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, 'ltpda_uoh', 'ltpda', utils.const.categories.helper, '$Id: index.m,v 1.13 2011/04/08 08:56:30 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 pl = buildplist()
+
−  pl = plist('I',  [], 'J', []);
+
−end
+
−