--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@LTPDAworkbench/plotHistory.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,65 @@
+% PLOTHISTORY plot the history of the currently selected blocks.
+%
+% CALL: wb.plot
+%
+% M Hewitson 13-11-08
+%
+% $Id: plotHistory.m,v 1.9 2010/08/06 19:10:49 ingo Exp $
+%
+function plotHistory(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
+  % dotview
+  
+  try
+    successes = 0;
+    for kk=1:numel(outvars)
+      
+      if evalin('base', ['isa(' outvars{kk} ', ''ltpda_uoh'')'])
+        
+        cmd = [outvars{kk} '.viewHistory()'];
+        try
+          evalin('base', cmd);
+        catch err
+          utils.helper.err(err.message);
+          cmd = ['plot(' outvars{kk} '.hist)'];
+          evalin('base', cmd);
+        end
+        successes = successes + 1;
+      else
+        cl = evalin('base', ['class(' outvars{kk} ')']);
+        warning('Skipping selected variable %s; it is not an LTPDA User Object with history. It is of class [%s].', outvars{kk}, cl);
+      end
+    end
+  catch
+    utils.helper.errorDlg('Unable to plot history of selected objects. Has the pipeline been executed or do you have more than one object?', 'Plot history error');
+  end
+  
+  if successes ~= numel(outvars)
+    utils.helper.warnDlg('Not all outputs were processed. Check the MATLAB terminal for further warnings.', 'Plot history warning');
+  end
+end
+