% PLOT plot the outputs of the currently selected blocks.
%
% CALL: wb.plot
%
% M Hewitson 13-11-08
%
% $Id: plot.m,v 1.8 2010/08/06 19:10:49 ingo Exp $
%
function plot(varargin)
  
  wb = varargin{1};
  
  % Get all selected blocks
  sbs = awtinvoke(wb.mp, 'getSelectedBlocks');
  
  outvars = {};
  for ii=0:sbs.size()-1
    block = sbs.get(ii);
    
    % if this is a MElementWithPorts
    if isa(block, 'mpipeline.canvas.MElementWithPorts')
      
      % loop over all outputs
      outports = block.getOutputs();
      for kk=0:outports.size()-1
        op = outports.get(kk);
        % get variable name
        outvar = LTPDAworkbench.getWS_VarName(wb.UUID, block, op.getNumber);
        outvars = [outvars {outvar}];
      end
    end
  end
  
  % Check if each var exists in the workspace, and then launch in
  % ltpda_explorer
  
  if ~isempty(outvars)
    
    cmd = 'iplot(';
    for kk=1:numel(outvars)
      
      % Check if the user have execute the pipeline.
      if (evalin('base', ['exist(''' strtok(outvars{kk}, '.') ''')']) ~= 1) || ...
          isempty(evalin('base', strtok(outvars{kk}, '.')))
        utils.helper.errorDlg('Unable to plot selected objects. Has the pipeline been executed?', 'Plot block outputs error');
        return
      end
      
      if isa(evalin('base', outvars{kk}), 'ao')
        cmd = [cmd outvars{kk} ','];
      else
        utils.helper.errorDlg(sprintf('Please select only analysis objects (AOs) because you selected a %s object.', class(evalin('base', outvars{kk}))), 'Plot block outputs error');
        return
      end
    end
    
    if cmd(end)==','
      cmd = cmd(1:end-1);
    end
    cmd = [cmd ')'];
    try
      evalin('base', cmd);
    catch
      utils.helper.errorDlg('Unable to plot selected objects. Has the pipeline been executed?', 'Plot block outputs error');
    end
  end
  
end