FileSystemItem.createFile(path).getParentPathString();
if (!parentPath.equals(thisParent))
{
GlobalDisplay gDisp = RStudioGinjector.INSTANCE.getGlobalDisplay();
gDisp.showMessage(
MessageDialog.ERROR,
"Error: Multiple Directories",
"The selected files are not all within the same directory " +
"(you can only ignore multiple files in one operation if " +
"they are located within the same directory).");