allows for getting the HTML5 applet using Thread instead of a component

BobHanson · BobHanson · commit 0a98a729775e · 2020-03-06T11:03:55.000-06:00
diff --git a/sources/net.sf.j2s.java.core/src/swingjs/JSToolkit.java b/sources/net.sf.j2s.java.core/src/swingjs/JSToolkit.java
@@ -468,8 +468,17 @@ public static void setIsDispatchThread(boolean b) {
 //		// NO LONGER NECESSARY :)
 //	}
 	
+	/**
+	 * Get the applet associated with the specified component or, if that is null,
+	 * the current thread. This could be an important issue if one applet is running
+	 * code in a different applet.
+	 * 
+	 * @param c
+	 * @return
+	 */
 	public static HTML5Applet getHTML5Applet(Component c) {
-		return ((JSThreadGroup) c.getAppContext().getThreadGroup()).getHtmlApplet();
+		ThreadGroup g = (c == null ? Thread.currentThread().getThreadGroup() : c.getAppContext().getThreadGroup());
+		return ((JSThreadGroup) g).getHtmlApplet();
 	}
 
 	public static void taintUI(Component c) {
