Changeset 6620 for branches/GP.Grammar.Editor/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionGrammar.cs

Timestamp:

08/02/11 10:41:13 (13 years ago)

Author:

mkommend

Message:

#1479: Corrected changes from trunk integration.

File:

• branches/GP.Grammar.Editor/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionGrammar.cs (modified) (5 diffs)

branches/GP.Grammar.Editor/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionGrammar.cs

@@ -21 +21 @@
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
+using HeuristicLab.Collections;
 using HeuristicLab.Common;
 using HeuristicLab.Core;
 using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
-using System.Collections.Generic;
 
 namespace HeuristicLab.Encodings.SymbolicExpressionTreeEncoding {
@@ -120 +121 @@
     protected SymbolicExpressionGrammar(SymbolicExpressionGrammar original, Cloner cloner)
       : base(original, cloner) {
-      foreach (ISymbol symbol in Symbols)
+      foreach (ISymbol symbol in symbols.Values)
         RegisterSymbolEvents(symbol);
 
@@ -161 +162 @@
     }
 
-    protected override void AddSymbol(ISymbol symbol) {
+    protected override sealed void AddSymbol(ISymbol symbol) {
       base.AddSymbol(symbol);
       RegisterSymbolEvents(symbol);
-    }
-    protected override void RemoveSymbol(ISymbol symbol) {
+      OnChanged();
+    }
+    protected override sealed void RemoveSymbol(ISymbol symbol) {
       DeregisterSymbolEvents(symbol);
       base.RemoveSymbol(symbol);
+      OnChanged();
     }
 
@@ -231 +234 @@
 
     #region symbol events
-    protected virtual void RegisterSymbolEvents(ISymbol symbol) {
+    private void RegisterSymbolEvents(ISymbol symbol) {
       symbol.NameChanging += new EventHandler<CancelEventArgs<string>>(Symbol_NameChanging);
       symbol.NameChanged += new EventHandler(Symbol_NameChanged);
-    }
-    protected virtual void DeregisterSymbolEvents(ISymbol symbol) {
+
+      var groupSymbol = symbol as GroupSymbol;
+      if (groupSymbol != null) RegisterGroupSymbolEvents(groupSymbol);
+      else symbol.Changed += new EventHandler(Symbol_Changed);
+    }
+    private void DeregisterSymbolEvents(ISymbol symbol) {
       symbol.NameChanging -= new EventHandler<CancelEventArgs<string>>(Symbol_NameChanging);
       symbol.NameChanged -= new EventHandler(Symbol_NameChanged);
+
+      var groupSymbol = symbol as GroupSymbol;
+      if (groupSymbol != null) DeregisterGroupSymbolEvents(groupSymbol);
+      else symbol.Changed -= new EventHandler(Symbol_Changed);
+    }
+
+    private void RegisterGroupSymbolEvents(GroupSymbol groupSymbol) {
+      groupSymbol.Changed += new EventHandler(GroupSymbol_Changed);
+      groupSymbol.SymbolsCollection.ItemsAdded += new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_ItemsAdded);
+      groupSymbol.SymbolsCollection.ItemsRemoved += new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_ItemsRemoved);
+      groupSymbol.SymbolsCollection.CollectionReset += new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_CollectionReset);
+    }
+    private void DeregisterGroupSymbolEvents(GroupSymbol groupSymbol) {
+      groupSymbol.Changed -= new EventHandler(GroupSymbol_Changed);
+      groupSymbol.SymbolsCollection.ItemsAdded -= new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_ItemsAdded);
+      groupSymbol.SymbolsCollection.ItemsRemoved -= new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_ItemsRemoved);
+      groupSymbol.SymbolsCollection.CollectionReset -= new Collections.CollectionItemsChangedEventHandler<ISymbol>(GroupSymbol_CollectionReset);
+    }
+
+    private void Symbol_Changed(object sender, EventArgs e) {
+      if (suppressEvents) return;
+      ClearCaches();
+      OnChanged();
+    }
+
+    private void GroupSymbol_Changed(object sender, EventArgs e) {
+      if (suppressEvents) return;
+      suppressEvents = true;
+      GroupSymbol groupSymbol = (GroupSymbol)sender;
+      foreach (ISymbol symbol in groupSymbol.Flatten())
+        symbol.Enabled = groupSymbol.Enabled;
+      suppressEvents = false;
+      ClearCaches();
+      OnChanged();
     }
 
@@ -280 +321 @@
 
       ClearCaches();
+      OnChanged();
+    }
+
+    private void GroupSymbol_ItemsAdded(object sender, CollectionItemsChangedEventArgs<ISymbol> e) {
+      suppressEvents = true;
+      foreach (ISymbol symbol in e.Items)
+        if (!ContainsSymbol(symbol))
+          AddSymbol(symbol);
+      suppressEvents = false;
+      OnChanged();
+    }
+    private void GroupSymbol_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<ISymbol> e) {
+      suppressEvents = true;
+      foreach (ISymbol symbol in e.Items)
+        if (ContainsSymbol(symbol))
+          RemoveSymbol(symbol);
+      suppressEvents = false;
+      OnChanged();
+    }
+    private void GroupSymbol_CollectionReset(object sender, CollectionItemsChangedEventArgs<ISymbol> e) {
+      suppressEvents = true;
+      foreach (ISymbol symbol in e.Items)
+        if (!ContainsSymbol(symbol))
+          AddSymbol(symbol);
+      foreach (ISymbol symbol in e.OldItems)
+        if (ContainsSymbol(symbol))
+          RemoveSymbol(symbol);
+      suppressEvents = false;
+      OnChanged();
     }
     #endregion