Changeset 1003 for branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/ProblemView.cs

Timestamp:

12/17/08 14:29:53 (15 years ago)

Author:

gkronber

Message:

worked on CEDMA console and problem importer. #419 (Refactor CEDMA plugins)

File:

• branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/ProblemView.cs (modified) (2 diffs)

branches/CEDMA-Refactoring-Ticket419/HeuristicLab.CEDMA.Core/ProblemView.cs

@@ -29 +29 @@
 using System.Windows.Forms;
 using HeuristicLab.Core;
+using HeuristicLab.DataAnalysis;
 
 namespace HeuristicLab.CEDMA.Core {
@@ -38 +39 @@
       InitializeComponent();
     }
+
+    protected override void UpdateControls() {
+      base.UpdateControls();
+      // TASK update text-boxes and datasetview
+    }
+
+    private void importButton_Click(object sender, EventArgs e) {
+      if(openFileDialog.ShowDialog(this) == DialogResult.OK) {
+        DatasetParser parser = new DatasetParser();
+        bool success = false;
+        try {
+          try {
+            parser.Import(openFileDialog.FileName, true);
+            success = true;
+          } catch(DataFormatException ex) {
+            ShowWarningMessageBox(ex);
+            // not possible to parse strictly => clear and try to parse non-strict
+            parser.Reset();
+            parser.Import(openFileDialog.FileName, false);
+            success = true;
+          }
+        } catch(DataFormatException ex) {
+          // if the non-strict parsing also failed then show the exception
+          ShowErrorMessageBox(ex);
+        }
+        if(success) {
+          Dataset dataset = (Dataset)problem.DataSet;
+          dataset.Rows = parser.Rows;
+          dataset.Columns = parser.Columns;
+          dataset.VariableNames = parser.VariableNames;
+          dataset.Name = parser.ProblemName;
+          dataset.Samples = new double[dataset.Rows * dataset.Columns];
+          Array.Copy(parser.Samples, dataset.Samples, dataset.Columns * dataset.Rows);
+          problem.TrainingSamplesStart = parser.TrainingSamplesStart;
+          problem.ValidationSamplesEnd = parser.TrainingSamplesStart;
+          problem.TrainingSamplesEnd = parser.TrainingSamplesEnd;
+          problem.ValidationSamplesStart = parser.ValidationSamplesStart;
+          problem.ValidationSamplesEnd = parser.ValidationSamplesEnd;
+          problem.TestSamplesStart = parser.TestSamplesStart;
+          problem.TestSamplesEnd = parser.TestSamplesEnd;
+          problem.AllowedTargetVariables.Add(parser.TargetVariable);
+
+          List<int> nonInputVariables = parser.NonInputVariables;
+          for(int i = 0; i < dataset.Columns; i++) {
+            if(!nonInputVariables.Contains(i)) problem.AllowedInputVariables.Add(i);
+          }
+          Refresh();
+        }
+      }
+
+    }
+    private void ShowWarningMessageBox(Exception ex) {
+      MessageBox.Show(ex.Message,
+                      "Warning - " + ex.GetType().Name,
+                      MessageBoxButtons.OK,
+                      MessageBoxIcon.Warning);
+    }
+    private void ShowErrorMessageBox(Exception ex) {
+      MessageBox.Show(BuildErrorMessage(ex),
+                      "Error - " + ex.GetType().Name,
+                      MessageBoxButtons.OK,
+                      MessageBoxIcon.Error);
+    }
+    private string BuildErrorMessage(Exception ex) {
+      StringBuilder sb = new StringBuilder();
+      sb.Append("Sorry, but something went wrong!\n\n" + ex.Message + "\n\n" + ex.StackTrace);
+
+      while(ex.InnerException != null) {
+        ex = ex.InnerException;
+        sb.Append("\n\n-----\n\n" + ex.Message + "\n\n" + ex.StackTrace);
+      }
+      return sb.ToString();
+    }
   }
 }