From 0020bb22355532182b5ebd48ae6d583c8ecb238a Mon Sep 17 00:00:00 2001
From: lehtonen <lehtonen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Thu, 6 Oct 2011 00:24:41 +0000
Subject: [PATCH] Switching EventDelegator to NodeEventHandler. TextNode is
 still todo.

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@22545 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 .../ui/elements2/GraphPropertyNode.java       | 135 +++++++++++-------
 1 file changed, 80 insertions(+), 55 deletions(-)

diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements2/GraphPropertyNode.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements2/GraphPropertyNode.java
index 62ace38c..a9802673 100644
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements2/GraphPropertyNode.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/elements2/GraphPropertyNode.java
@@ -11,85 +11,110 @@
  *******************************************************************************/
 package org.simantics.sysdyn.ui.elements2;
 
-import java.awt.event.MouseListener;
-import java.awt.event.MouseMotionListener;
 import java.awt.geom.Rectangle2D;
 import java.beans.PropertyChangeEvent;
 import java.beans.PropertyChangeListener;
 import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
 import java.util.HashMap;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 import org.simantics.scenegraph.g2d.G2DNode;
-import org.simantics.scenegraph.utils.NodeUtil;
 
-abstract public class GraphPropertyNode extends G2DNode implements MouseListener, MouseMotionListener {
+/**
+ * @author Antti Villberg
+ */
+public abstract class GraphPropertyNode extends G2DNode {
 
-	private static final long serialVersionUID = 245761992671850588L;
+    private static final long serialVersionUID = 245761992671850588L;
 
-	HashMap<String, Field> fields = new HashMap<String, Field>();
+    private static Map<Class<? extends GraphPropertyNode>, Map<String, Field>> fieldCache       = new ConcurrentHashMap<Class<? extends GraphPropertyNode>, Map<String, Field>>();
+
+    protected transient final Map<String, Field> fields;
+
+    private PropertyChangeListener               fieldListener = null;
+
+    protected GraphPropertyNode() {
+        this.fields = getFields(getClass());
+    }
 
-	private PropertyChangeListener fieldListener = null;
-	
     @Override
     public void init() {
         super.init();
-        NodeUtil.getEventDelegator(this).addMouseListener(this);
-        NodeUtil.getEventDelegator(this).addMouseMotionListener(this);
+        addEventHandler(this);
     }
-    
+
     @Override
     public void cleanup() {
-        NodeUtil.getEventDelegator(this).removeMouseListener(this);
-        NodeUtil.getEventDelegator(this).removeMouseMotionListener(this);
+        removeEventHandler(this);
         super.cleanup();
     }
 
-	protected GraphPropertyNode() {
-		for(Field f : getClass().getFields()) {
-//			System.out.println("register field '" + f.getName() + "'");
-			fields.put(f.getName(), f);
-		}
-	}
-	
-	public void setFieldListener(PropertyChangeListener listener) {
-		this.fieldListener = listener;
-	}
-	
-	public void propertyChange(String field, Object value) {
-	}
-	
-	public void setProperty(String field, Object value) {
-		Field f = fields.get(field);
-		if(f == null) {
-			System.err.println("GraphPropertyNode tried to set undefined property '" + field + "'");
-			return;
-		}
-		try {
-			//System.out.println("setting field '" + field + "'");
-			f.set(this, value);
-			propertyChange(field, value);
-		} catch (IllegalArgumentException e) {
-			e.printStackTrace();
-		} catch (IllegalAccessException e) {
-			e.printStackTrace();
-		}
-	}
-	
-	public void commitProperty(String field, Object value) {
-        if(fieldListener != null) {
-        	fieldListener.propertyChange(new PropertyChangeEvent(this, field, null, value));
+    public void setFieldListener(PropertyChangeListener listener) {
+        this.fieldListener = listener;
+    }
+
+    public void propertyChange(String field, Object value) {
+    }
+
+    public void setProperty(String field, Object value) {
+        Field f = fields.get(field);
+        if (f == null) {
+            System.err.println("GraphPropertyNode tried to set undefined property '" + field + "'");
+            return;
         }
-	}
+        try {
+            //System.out.println("setting field '" + field + "'");
+            f.set(this, value);
+            propertyChange(field, value);
+        } catch (IllegalArgumentException e) {
+            e.printStackTrace();
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
 
-	boolean pressHit = false;
-	
-	public boolean hitTest(double x, double y, double tolerance) {
-    	return false;
+    public void commitProperty(String field, Object value) {
+        if (fieldListener != null) {
+            fieldListener.propertyChange(new PropertyChangeEvent(this, field, null, value));
+        }
+    }
+
+    public boolean hitTest(double x, double y, double tolerance) {
+        return false;
     }
 
-	@Override
+    @Override
     public Rectangle2D getBoundsInLocal() {
-    	return null;
+        return null;
+    }
+
+    private static Map<String, Field> getFields(Class<? extends GraphPropertyNode> clazz) {
+        Map<String, Field> fields = fieldCache.get(clazz);
+        if (fields != null)
+            return fields;
+        fields = calculateFields(clazz);
+        fieldCache.put(clazz, fields);
+        return fields;
     }
-	
+
+    private static Map<String, Field> calculateFields(Class<? extends GraphPropertyNode> clazz) {
+        Map<String, Field> result = new HashMap<String, Field>();
+        for (Class<?> cls = clazz; !GraphPropertyNode.class.equals(cls); cls = clazz.getSuperclass()) {
+            for (Field f : cls.getFields()) {
+                int mod = f.getModifiers();
+                if (Modifier.isStatic(mod))
+                    continue;
+                if (Modifier.isTransient(mod))
+                    continue;
+                if (Modifier.isFinal(mod))
+                    continue;
+                if (!result.containsKey(f.getName()))
+                    result.put(f.getName(), f);
+            }
+        }
+        return result;
+    }
+
 }
-- 
2.47.1