Add choices option to add_input_file_list function.

src/jflow/workflow.py

@@ -212,7 +212,7 @@ class Workflow(threading.Thread):
             self.params_order.append(name)
             self.__setattr__(name, new_param)
             
-    def add_input_file_list(self, name, help, file_format="any", default=None, type="inputfile", 
+    def add_input_file_list(self, name, help, file_format="any", choices=None, default=None, type="inputfile",
                             required=False, flag=None, group="default", display_name=None, size_limit="0", add_to=None,
                             rules=None):
         # check if the size provided is correct
@@ -225,7 +225,7 @@ class Workflow(threading.Thread):
             inputs = [IOFile(file, file_format, name, None) for file in default]
         else:
             inputs = [IOFile(default, file_format, name, None)]
-        new_param = InputFileList(name, help, flag=flag, file_format=file_format, default=inputs, 
+        new_param = InputFileList(name, help, flag=flag, file_format=file_format, default=inputs, choices=choices,
                                   type=type, required=required, group=group, display_name=display_name, size_limit=size_limit,
                                   rules=rules)
         new_param.linkTrace_nameid = name