add refresh button

scripts/controlnet_ui/controlnet_ui_group.py

@@ -454,9 +454,13 @@ class ControlNetUiGroup(object):
                 except FileNotFoundError as e:
                     info = f"Error: This path is not valid ==> {e}"
                 return info
-            self.multi_references_dir = gr.Textbox()
-            self.image_ids = gr.Textbox()
-            self.multi_references_dir.change(input_change, inputs=[self.multi_references_dir], outputs=self.image_ids)
+            self.multi_references_dir = gr.Textbox(label='Cache File Path')
+            self.image_ids = gr.Textbox(label='Total number of pictures')
+            self.refresh_images = ToolButton(
+                value=ControlNetUiGroup.refresh_symbol,
+                tooltip=ControlNetUiGroup.tooltips[ControlNetUiGroup.refresh_symbol],
+            )
+            self.refresh_images.click(input_change, inputs=[self.multi_references_dir], outputs=self.image_ids)
         self.IP_mode = gr.Dropdown(
             ['last_5layers','front_5layers','10layers','upblocks_only','Full'], 
             label='IP Mode',