final ControlDecoration namingConflictNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
namingConflictNotification
.setDescriptionText("One or more files would have been renamed to the same thing. \nModify your inputs to avoid this happening again.");
namingConflictNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
namingConflictNotification.hide();
final ControlDecoration badRegexNotification = new ControlDecoration(applyButton, SWT.RIGHT | SWT.TOP);
badRegexNotification.setDescriptionText("The regular expression you entered is invalid. Please edit it and try again");
badRegexNotification.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_DEC_FIELD_ERROR));
badRegexNotification.hide();