Bug 342171 - join columns - choose 'Override Default' in Details and receive out-of-bounds error

1 files changed, 41 insertions, 1 deletions

diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/ItemPropertyListValueModelAdapter.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/ItemPropertyListValueModelAdapter.java
index 870a36590f..1c2808c34d 100644
--- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/ItemPropertyListValueModelAdapter.java
+++ b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/internal/model/value/ItemPropertyListValueModelAdapter.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2009 Oracle. All rights reserved.
+ * Copyright (c) 2007, 2012 Oracle. All rights reserved.
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0, which accompanies this distribution
  * and is available at http://www.eclipse.org/legal/epl-v10.html.
@@ -10,8 +10,15 @@
 package org.eclipse.jpt.common.utility.internal.model.value;
 
 import java.util.Arrays;
+import java.util.EventListener;
+import java.util.EventObject;
+import org.eclipse.jpt.common.utility.internal.CollectionTools;
+import org.eclipse.jpt.common.utility.internal.model.ChangeSupport;
+import org.eclipse.jpt.common.utility.internal.model.SingleAspectChangeSupport;
 import org.eclipse.jpt.common.utility.model.Model;
+import org.eclipse.jpt.common.utility.model.event.ListReplaceEvent;
 import org.eclipse.jpt.common.utility.model.event.PropertyChangeEvent;
+import org.eclipse.jpt.common.utility.model.listener.ListChangeListener;
 import org.eclipse.jpt.common.utility.model.listener.PropertyChangeListener;
 import org.eclipse.jpt.common.utility.model.value.CollectionValueModel;
 import org.eclipse.jpt.common.utility.model.value.ListValueModel;
@@ -81,4 +88,37 @@ public class ItemPropertyListValueModelAdapter<E>
 		}
 	}
 
+	/**
+	 * bug 342171
+	 * Override to just fire an itemReplaced event instead of a listChanged event.
+	 * An aspect of the item has changed, so no reason to say that the entire list has changed.
+	 * Added a LocalChangeSupport so that I can fire a ListReplacedEvent for an old list
+	 * and new list containing the same item.
+	 */
+	@Override
+	protected void itemAspectChanged(EventObject event) {
+		Object item = event.getSource();
+		this.getChangeSupport().fireItemsReplaced(
+			new ListReplaceEvent(this, LIST_VALUES, CollectionTools.indexOf(this.listHolder, item), item, item));
+	}
+
+	@Override
+	protected ChangeSupport buildChangeSupport() {
+		return new LocalChangeSupport(this, ListChangeListener.class, ListValueModel.LIST_VALUES);
+	}
+
+	private class LocalChangeSupport extends SingleAspectChangeSupport {
+		public LocalChangeSupport(Model source, Class<? extends EventListener> validListenerClass, String validAspectName) {
+			super(source, validListenerClass, validAspectName);
+		}
+		@Override
+		public boolean fireItemsReplaced(ListReplaceEvent event) {
+			this.check(LIST_CHANGE_LISTENER_CLASS, event.getListName());
+			if (event.getItemsSize() != 0) {
+				this.fireItemsReplaced_(event);
+				return true;
+			}
+			return false;
+		}
+	}
 }