Bug 29698 drag and drop of java files between packages in package explorer doesn't work
the <preview> <ok> <cancel> dialog shows up, but <ok> has the same effect as <cancel> and <preview> would only show movements of files and no changes in imports of other java files. on <ok> in the preview it only moves the file(s) (as indicated ) without changing referencing imports.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/reorg/JdtMoveAction.java
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){
		return new MoveRefactoring(elements, JavaPreferencesSettings.getCodeGenerationSettings());
	}
	
	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{
		return (isOkToMoveReadOnly(refactoring));
	}
	
	protected void setShowPreview(boolean showPreview) {