X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.g3d%2Fsrc%2Forg%2Fsimantics%2Fg3d%2Fscenegraph%2Fbase%2FNode.java;h=6d122930a3e2be155771d4b99d0e313cbf39d7c9;hb=5cd9bf2669ef6907cff73670a393af5355241f56;hp=f7fe9eded0e0d1e606814e5b6556af2da85b5096;hpb=9070983be64f9f107e0a6388549aad475fcd9d76;p=simantics%2F3d.git

diff --git a/org.simantics.g3d/src/org/simantics/g3d/scenegraph/base/Node.java b/org.simantics.g3d/src/org/simantics/g3d/scenegraph/base/Node.java
index f7fe9ede..6d122930 100644
--- a/org.simantics.g3d/src/org/simantics/g3d/scenegraph/base/Node.java
+++ b/org.simantics.g3d/src/org/simantics/g3d/scenegraph/base/Node.java
@@ -1,99 +1,100 @@
-/*******************************************************************************
- * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
- * Industry THTH ry.
- * 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
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.g3d.scenegraph.base;
-
-import java.util.ArrayList;
-import java.util.List;
-
-
-public abstract class Node implements INode {
-	public transient static long               IDCOUNTER              = 1;
-	protected transient ParentNode<?>          parent                 = null;
-	protected transient String 				   parentName			  = null; 
-	protected Long                             id                     = IDCOUNTER++;
-	
-
-	public Long getId() {
-		return id;
-	}
-
-
-	public ParentNode<?> getParent() {
-		return parent;
-	}
-
-	
-	@Override
-	public String getParentRel() {
-		return parentName;
-	}
-	
-	public void setParent(ParentNode<?> parent, String name) {
-		this.parent = parent;
-		this.parentName = name;
-	}
-	
-	public ParentNode<?> getRootNode() {
-		return parent != null ? parent.getRootNode() : null;
-	}
-	
-	public void remove() {
-		if (parent != null) {
-			parent.removeNode(parentName, this);
-		}
-	}
-	
-	public void deattach() {
-		if (parent != null) {
-			parent.deattachNode(parentName, this);
-		}
-	}
-	
-	public void init() {
-	}
-	
-	public void cleanup() {
-		if (parent != null) {
-			parent.removeNode(parentName, this);
-		}
-	}
-	
-	@Override
-	public String toString() {
-		return getClass().getSimpleName();
-	}
-	
-	protected List<NodeListener> listeners = new ArrayList<NodeListener>();
-	
-	@Override
-	public void addListener(NodeListener listener) {
-		if (!listeners.contains(listener))
-			listeners.add(listener);
-	}
-	
-	@Override
-	public void removeListener(NodeListener listener) {
-		listeners.remove(listener);
-	}
-	
-	@Override
-	public List<NodeListener> getListeners() {
-		return listeners;
-	}
-	
-	protected void firePropertyChanged(String id) {
-		for (NodeListener listener : listeners) {
-			listener.propertyChanged(this, id);
-		}
-	}
-	
-}
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * 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
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.g3d.scenegraph.base;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.ListenerList;
+
+
+public abstract class Node implements INode {
+	public transient static long               IDCOUNTER              = 1;
+	protected transient ParentNode<?>          parent                 = null;
+	protected transient String 				   parentName			  = null; 
+	protected Long                             id                     = IDCOUNTER++;
+	
+
+	public Long getId() {
+		return id;
+	}
+
+
+	public ParentNode<?> getParent() {
+		return parent;
+	}
+
+	
+	@Override
+	public String getParentRel() {
+		return parentName;
+	}
+	
+	public void setParent(ParentNode<?> parent, String name) {
+		this.parent = parent;
+		this.parentName = name;
+	}
+	
+	public ParentNode<?> getRootNode() {
+		return parent != null ? parent.getRootNode() : null;
+	}
+	
+	public void remove() {
+		if (parent != null) {
+			parent.removeNode(parentName, this);
+		}
+	}
+	
+	public void deattach() {
+		if (parent != null) {
+			parent.deattachNode(parentName, this);
+		}
+	}
+	
+	public void init() {
+	}
+	
+	public void cleanup() {
+		if (parent != null) {
+			parent.removeNode(parentName, this);
+		}
+	}
+	
+	@Override
+	public String toString() {
+		return getClass().getSimpleName();
+	}
+	
+	protected ListenerList<NodeListener> listeners = new ListenerList<NodeListener>();
+	
+	@Override
+	public void addListener(NodeListener listener) {
+		listeners.add(listener);
+	}
+	
+	@Override
+	public void removeListener(NodeListener listener) {
+		listeners.remove(listener);
+	}
+	
+	@Override
+	public ListenerList<NodeListener> getListeners() {
+		return listeners;
+	}
+	
+	protected void firePropertyChanged(String id) {
+		for (NodeListener listener : listeners) {
+			listener.propertyChanged(this, id);
+		}
+	}
+	
+}