Bug 39906 Add Constructurs from field: Should not show static fields
20030711 Static fields are usually not initialized in constructors
org.eclipse.jdt.ui/ui/org/eclipse/jdt/ui/actions/CreateNewConstructorAction.java
WorkbenchHelp.setHelp(this, IJavaHelpContextIds.CREATE_NEW_CONSTRUCTOR_ACTION);
	}
	/**
	 * Note: This constructor is for internal use only. Clients should not call this constructor.
	 */
	public CreateNewConstructorAction(CompilationUnitEditor editor) {
		this(editor.getEditorSite());
		fEditor= editor;
		setEnabled(checkEnabledEditor());
	}
	
	
	
	/* (non-Javadoc)
	 * Method declared on SelectionDispatchAction
	 */
	public void selectionChanged(IStructuredSelection selection) {
		try {
			setEnabled(canEnable(selection));
		} catch (JavaModelException e) {
			
			if (JavaModelUtil.filterNotPresentException(e))
				JavaPlugin.log(e);
			setEnabled(false);
		}
	}
	
	private boolean canEnable(IStructuredSelection selection) throws JavaModelException {
		if (getSelectedFields(selection) != null)