Bug 31298 move of read-only java file gives error dialog after confirmation
- 'move' read-only java file - uncheck all options - choose dest package - press ok - confirm the movement of a read-only file -> error dialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/reorg/JdtMoveAction.java
/* non java-doc
	 * see @ReorgDestinationAction#isOkToProceed
	 */
	String getActionName() {
		return ReorgMessages.getString("moveAction.name"); 
	}
	
	/* non java-doc
	 * see @ReorgDestinationAction#getDestinationDialogMessage
	 */
	String getDestinationDialogMessage() {
		return ReorgMessages.getString("moveAction.destination.label"); 
	}
	
	/* non java-doc
	 * see @ReorgDestinationAction#createRefactoring
	 */
	ReorgRefactoring createRefactoring(List elements){
		IPackageFragmentRootManipulationQuery query= createUpdateClasspathQuery(getShell());
		return new MoveRefactoring(elements, JavaPreferencesSettings.getCodeGenerationSettings(), query);
	}
	
	ElementTreeSelectionDialog createDestinationSelectionDialog(Shell parent, ILabelProvider labelProvider, StandardJavaElementContentProvider cp, ReorgRefactoring refactoring){
		return new MoveDestinationDialog(parent, labelProvider, cp, (MoveRefactoring)refactoring);
	}	
	
	/* non java-doc
	 * see @ReorgDestinationAction#isOkToProceed
	 */
	protected boolean isOkToProceed(ReorgRefactoring refactoring) throws JavaModelException{