IPath path = getSourceAttachmentBlock().getSourceAttachmentPath(); return fNoSourceButton.getSelection() || (isValid() && path != null && !path.isEmpty());
IPath path = fSourceAttachmentBlock.getSourceAttachmentPath(); return fNoSourceButton.getSelection() || (path != null && !path.isEmpty());
	public boolean isPageComplete() {		IPath path = getSourceAttachmentBlock().getSourceAttachmentPath();		return fNoSourceButton.getSelection() || (isValid() && path != null && !path.isEmpty());	}