add preset selection

uses meta parsing to set presets in user session (UI elements only)

webui.py

@@ -220,6 +220,10 @@ with shared.gradio_root:
 
         with gr.Column(scale=1, visible=modules.config.default_advanced_checkbox) as advanced_column:
             with gr.Tab(label='Setting'):
+                preset_selection = gr.Radio(label='Preset',
+                                            choices=modules.config.available_presets,
+                                            value=args_manager.args.preset if args_manager.args.preset else "None",
+                                            interactive=True)
                 performance_selection = gr.Radio(label='Performance',
                                                  choices=modules.flags.performance_selections,
                                                  value=modules.config.default_performance)
@@ -456,6 +460,37 @@ with shared.gradio_root:
                 model_refresh.click(model_refresh_clicked, [], [base_model, refiner_model] + lora_ctrls,
                                     queue=False, show_progress=False)
 
+        def preset_selection_change(preset):
+            preset_content = modules.config.try_get_preset_content(preset)
+            if preset_content is not None:
+                return modules.meta_parser.parse_meta_from_preset(preset_content)
+
+        preset_selection.change(preset_selection_change, inputs=preset_selection, outputs=[
+            advanced_checkbox,
+            image_number,
+            prompt,
+            negative_prompt,
+            style_selections,
+            performance_selection,
+            aspect_ratios_selection,
+            overwrite_width,
+            overwrite_height,
+            sharpness,
+            guidance_scale,
+            adm_scaler_positive,
+            adm_scaler_negative,
+            adm_scaler_end,
+            base_model,
+            refiner_model,
+            refiner_switch,
+            sampler_name,
+            scheduler_name,
+            seed_random,
+            image_seed,
+            generate_button,
+            load_parameter_button
+        ] + lora_ctrls, queue=False, show_progress=False)
+
         performance_selection.change(lambda x: [gr.update(interactive=x != 'Extreme Speed')] * 11 +
                                                [gr.update(visible=x != 'Extreme Speed')] * 1,
                                      inputs=performance_selection,