Bug 42143 Dialogs for source actions do not use dialog font [dialogs]
select a cu in package explorer context menu "Source": "Override/Implement methods..." "Generate Getters and Setters..." "Generate Delegate methods..." "Add constructor from superclass..." "Generate constructor using fields..."
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/GenerateNewConstructorUsingFieldsAction.java
} else {
					return null;
				}
			}
			return res;
		}
		return null;
	}
	
	/* (non-Javadoc)
	 * Method declared on SelectionDispatchAction
	 */
	public void selectionChanged(ITextSelection selection) {
	}
	/* (non-Javadoc)
	 * Method declared on SelectionDispatchAction
	 */
	public void run(ITextSelection selection) {
		try {
			IJavaElement[] elements= SelectionConverter.codeResolve(fEditor);
			if (elements.length == 1 && (elements[0] instanceof IField)) {
				IField field= (IField) elements[0];
				run(field.getDeclaringType(), new IField[] { field }, fEditor, false);
				return;
			}
			IJavaElement element= SelectionConverter.getElementAtOffset(fEditor);
			if (element != null) {
				IType type= (IType) element.getAncestor(IJavaElement.TYPE);
				if (type != null) {
					if (type.getFields().length > 0) {