X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.g3d%2Fsrc%2Forg%2Fsimantics%2Fg3d%2Fproperty%2FMethodWithMapValueProvider.java;h=8fad88979690dbf266f796982b52c314bd4d1221;hb=refs%2Fchanges%2F15%2F3615%2F1;hp=eeae0dc89499dab28966d6083af0b74f977cfb5d;hpb=488e24d71d14e60c7da3272e2428a0b23b57c87c;p=simantics%2F3d.git

diff --git a/org.simantics.g3d/src/org/simantics/g3d/property/MethodWithMapValueProvider.java b/org.simantics.g3d/src/org/simantics/g3d/property/MethodWithMapValueProvider.java
index eeae0dc8..8fad8897 100644
--- a/org.simantics.g3d/src/org/simantics/g3d/property/MethodWithMapValueProvider.java
+++ b/org.simantics.g3d/src/org/simantics/g3d/property/MethodWithMapValueProvider.java
@@ -12,6 +12,8 @@
 package org.simantics.g3d.property;
 
 import java.lang.reflect.Method;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -33,6 +35,7 @@ public class MethodWithMapValueProvider implements ValueProvider {
 		Map<String,Object> map = (Map<String, Object>)getter.invoke(obj);
 		return map.get(key);
 	}
+	
 	@SuppressWarnings("unchecked")
 	@Override
 	public void setValue(Object obj, Object value) throws Exception {
@@ -41,4 +44,11 @@ public class MethodWithMapValueProvider implements ValueProvider {
 		map.put(key, value);
 		setter.invoke(obj,map);
 	}
+	
+	@Override
+	public Class<?> getValueType() {
+		// The return type of the getter should be a java.util.Map.
+		Type[] typeArguments = ((ParameterizedType)getter.getGenericReturnType()).getActualTypeArguments();
+		return (Class<?>) typeArguments[1];
+	}
 }