Changeset 5750 for branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolicExpressionView.cs

Timestamp:

03/18/11 12:50:28 (13 years ago)

Author:

gkronber

Message:

#1418 Implemented variable view that allows to add and remove variable strings (ported from external evaluation views). Implemented formatter and grammar for external evaluation plugin. Fixed bug in symbolic expression view. Fixed bug in run collection variable impact view. Removed unused plugin HeuristicLab.Problems.ExternalEvaluation.GP.Views. Renamed files.

File:

• branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolicExpressionView.cs (modified) (2 diffs)

branches/DataAnalysis Refactoring/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolicExpressionView.cs

@@ -25 +25 @@
 using HeuristicLab.MainForm.WindowsForms;
 using HeuristicLab.PluginInfrastructure;
+using System;
 
 namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views {
@@ -60 +61 @@
       if (Content == null || formattersComboBox.SelectedIndex < 0)
         textBox.Text = string.Empty;
-      else
-        textBox.Text = treeFormattersList[formattersComboBox.SelectedIndex].Format(Content);
+      else {
+        try {
+          textBox.Text = treeFormattersList[formattersComboBox.SelectedIndex].Format(Content);
+        }
+        catch (ArgumentException) { textBox.Text = "Cannot format the symbolic expression tree with the selected formatter."; }
+        catch (NotSupportedException) { textBox.Text = "Formatting of the symbolic expression tree is not supported by the selected formatter."; }
+      }
     }