Adds JSUtil.getJ2SAlias(Component c, String name) and .isOverridden()

hansonr · hansonr · commit df28751b90d3 · 2019-02-28T15:59:33.000-06:00
diff --git a/sources/net.sf.j2s.java.core/src/swingjs/JSUtil.java b/sources/net.sf.j2s.java.core/src/swingjs/JSUtil.java
@@ -1,5 +1,6 @@
 package swingjs;
 
+import java.awt.Component;
 import java.awt.JSComponent;
 import java.awt.Toolkit;
 import java.io.BufferedInputStream;
@@ -572,5 +573,29 @@ public static BufferedReader getJSONReader(Object is) {
 		return JSON.getJSONReader((InputStream) is);
 	}
 
+	/**
+	 * Retrieve the JavaScript method or field aliasing this component's method or field
+	 * @param c the component
+	 * @param name the method's fully qualified name, such as paint$java_awt_Graphics
+	 * @return the JavaScript function backing this method name
+	 */
+	public static Object getJ2SAlias(Component c, String name) {
+		return (/** @j2sNative c[name] || */null);
+	}
+
+	/**
+	 * 
+	 * @param f  the JavaScript function aliasing the Java method
+	 * @param cl
+	 * @return
+	 */
+	public static boolean isOverridden(Object f, Class<?> cl) {
+		return (/** @j2sNative f && f.exClazz != cl.$clazz$ || */false);
+	}
+
+	public static boolean isOverridden(Component c, String name, Class<?> cl) {
+		return isOverridden(getJ2SAlias(c, name), cl);
+	}
+
 }
 
