% DISPLAY display plist object.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DESCRIPTION: DISPLAY display plist object.
%
% <a href="matlab:utils.helper.displayMethodInfo('plist', 'display')">Parameters Description</a>
%
% VERSION:     $Id: display.m,v 1.25 2011/04/08 08:56:21 hewitson Exp $
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function varargout = display(varargin)

  %%% Check if this is a call for parameters
  if utils.helper.isinfocall(varargin{:})
    varargout{1} = getInfo(varargin{3});
    return
  end

  objs = utils.helper.collect_objects(varargin(:), 'plist');

  txt = {};

  % Print emtpy object
  if isempty(objs)
    hdr = sprintf('------ %s -------', class(objs));
    ftr(1:length(hdr)) = '-';
    txt = [txt; {hdr}];
    txt = [txt; sprintf('empty-object [%d,%d]',size(objs))];
    txt = [txt; {ftr}];
  end
  
  for ii=1:numel(objs)
    pl = objs(ii);
    n  = length(pl.params);

    banner_start = sprintf('----------- plist %02d -----------', ii);
    txt{end+1} = banner_start;

    txt{end+1} = sprintf('n params: %d', n);
    params = pl.params;
    if n>0
      txt{end+1} = display(params);
    end

    txt = single_cell(txt);
    txt{end+1} = sprintf('description: %s', pl.description);
    txt{end+1} = sprintf('UUID:        %s', pl.UUID);

    banner_end(1:length(banner_start)) = '-';
    txt{end+1} = banner_end;

  end

  if nargout == 0
    for ii=1:length(txt)
      disp(sprintf(strrep(txt{ii}, '\', '\\')));
    end
  else
    varargout{1} = txt;
  end

end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                               Local Functions                               %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function new_txt = single_cell(txt_field)

  new_txt = {};
  for ii=1:length(txt_field)
    if iscell(txt_field{ii})
      hh = single_cell(txt_field{ii});
      new_txt(end+1:end+length(hh)) = hh(1:end);
    else
      new_txt{end+1} = txt_field{ii};
    end
  end
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% FUNCTION:    getInfo
%
% DESCRIPTION: 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, 'plist', 'ltpda', utils.const.categories.output, '$Id: display.m,v 1.25 2011/04/08 08:56:21 hewitson Exp $', sets, pl);
  ii.setModifier(false);
  ii.setArgsmin(1);
  ii.setOutmin(0);
end

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% FUNCTION:    getDefaultPlist
%
% DESCRIPTION: Get Default Plist
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function plo = getDefaultPlist()
  plo = plist();
end