Changeset 6109 for trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolView.cs

Timestamp:

05/03/11 16:55:56 (13 years ago)

Author:

gkronber

Message:

#1505 changed input validation in SymbolView.

File:

• trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolView.cs (modified) (2 diffs)

trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views/3.4/SymbolView.cs

@@ -25 +25 @@
 using HeuristicLab.MainForm;
 using HeuristicLab.MainForm.WindowsForms;
+using System.ComponentModel;
 
 namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding.Views {
@@ -67 +68 @@
 
     #region control event handlers
-    private void initialFrequencyTextBox_TextChanged(object sender, EventArgs e) {
+    private void initialFrequencyTextBox_KeyDown(object sender, KeyEventArgs e) {
+      if ((e.KeyCode == Keys.Enter) || (e.KeyCode == Keys.Return))
+        initialFrequencyLabel.Select();  // select label to validate data
+
+      if (e.KeyCode == Keys.Escape) {
+        initialFrequencyTextBox.Text = Content.InitialFrequency.ToString();
+        initialFrequencyLabel.Select();  // select label to validate data
+      }
+    }
+    private void initialFrequencyTextBox_Validating(object sender, CancelEventArgs e) {
+      double freq;
+      if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
+        errorProvider.SetError(initialFrequencyTextBox, string.Empty);
+        e.Cancel = false;
+      } else {
+        errorProvider.SetError(initialFrequencyTextBox, "Invalid value");
+        e.Cancel = true;
+      }
+    }
+    private void initialFrequencyTextBox_Validated(object sender, EventArgs e) {
       double freq;
       if (double.TryParse(initialFrequencyTextBox.Text, out freq) && freq >= 0.0) {
         Content.InitialFrequency = freq;
-        errorProvider.SetError(initialFrequencyTextBox, string.Empty);
-      } else {
-        errorProvider.SetError(initialFrequencyTextBox, "Invalid value");
-      }
+      } 
     }
     #endregion