Changeset 16776 for branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis.Views/3.4/ParsedConstraintView.cs

Timestamp:

04/12/19 07:48:00 (5 years ago)

Author:

chaider

Message:

#2971

• Added Expression change event
• Added errorProvider Validation

File:

• branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis.Views/3.4/ParsedConstraintView.cs (modified) (3 diffs)

branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis.Views/3.4/ParsedConstraintView.cs

@@ -9 +9 @@
   [Content(typeof(ParsedConstraint), true)]
   public partial class ParsedConstraintView : AsynchronousContentView {
-
+    private CheckedItemList<IntervalConstraint> intervalConstraints;
     public new ParsedConstraint Content {
       get => (ParsedConstraint)base.Content;
@@ -18 +18 @@
       InitializeComponent();
       errorOutput.Text = "";
+      intervalConstraints = new CheckedItemList<IntervalConstraint>();
+    }
+
+    private void Content_Changed(object sender, EventArgs e) {
+      constraintsOutput.Content = intervalConstraints;
     }
 
     protected override void OnContentChanged() {
       base.OnContentChanged();
-      if (Content == null) {
-        constraintsInput.Text = string.Empty;
-        errorOutput.Text = "";
-      } else {
-        constraintsInput.Text = Content.Input;
-        constraintsOutput.Content = new ItemList<IntervalConstraint>(Content.Constraints) ?? new ItemList<IntervalConstraint>();
-      }
+      UpdateControl();
     }
 
-    private ItemList<IntervalConstraint> ParseConstraints(string input) {
-      ItemList<IntervalConstraint> constraints = new ItemList<IntervalConstraint>(IntervalConstraintsParser.ParseInput(input, Content.ProblemData.TargetVariable, Content.ProblemData.AllowedInputVariables));
+    private CheckedItemList<IntervalConstraint> ParseConstraints(string input) {
+      CheckedItemList<IntervalConstraint> constraints = new CheckedItemList<IntervalConstraint>(IntervalConstraintsParser.ParseInput(input, Content.ProblemData.TargetVariable, Content.ProblemData.AllowedInputVariables));
       return constraints;
     }
@@ -48 +47 @@
     }
 
+    private void UpdateControl() {
+      if (Content == null) {
+        ClearConstraints();
+        constraintsInput.Text = string.Empty;
+        errorOutput.Text = string.Empty;
+        constraintsOutput.Content = intervalConstraints;
+      } else {
+        constraintsInput.Text = Content.Input;
+        foreach (var constraint in Content.Constraints) {
+          constraint.Changed += new EventHandler(Content_Changed);
+          intervalConstraints.Add(constraint, true);
+        }
+      }
+    }
+
     private void constraintsInput_TextChanged(object sender, EventArgs e) {
       errorOutput.Text = "Unparsed changes! Press parse button to save changes.";
     }
+
+    private void ClearConstraints() {
+      foreach (var constraint in intervalConstraints) {
+        constraint.Changed -= new EventHandler(Content_Changed);
+      }
+      intervalConstraints.Clear();
+    }
+
   }
 }