Merge remote-tracking branch 'origin/beta' into createTab-utility-function

CHANGES.md

@@ -21,16 +21,19 @@
 Our focus continues to remain on an easy installation experience, and an easy user-interface. While still remaining pretty powerful, in terms of features and speed.
 
 ### Detailed changelog
-* 2.5.30 - 1 Apr 2023 - Slider to control the strength of the LoRA model.
+* 2.5.31 - 6 Apr 2023 - Allow seeds upto `4,294,967,295`. Thanks @ogmaresca.
+* 2.5.31 - 6 Apr 2023 - Buttons to show the previous/next image in the image popup. Thanks @ogmaresca.
+* 2.5.30 - 5 Apr 2023 - Fix a bug where the JPEG image quality wasn't being respected when embedding the metadata into it. Thanks @JeLuf.
+* 2.5.30 - 1 Apr 2023 - (beta-only) Slider to control the strength of the LoRA model.
 * 2.5.30 - 28 Mar 2023 - Refactor task entry config to use a generating method. Added ability for plugins to easily add to this. Removed confusing sentence from `contributing.md`
 * 2.5.30 - 28 Mar 2023 - Allow the user to undo the deletion of tasks or images, instead of showing a pop-up each time. The new `Undo` button will be present at the top of the UI. Thanks @JeLuf.
 * 2.5.30 - 28 Mar 2023 - Support saving lossless WEBP images. Thanks @ogmaresca.
 * 2.5.30 - 28 Mar 2023 - Lots of bug fixes for the UI (Read LoRA flag in metadata files, new prompt weight format with scrollwheel, fix overflow with lots of tabs, clear button in image editor, shorter filenames in download). Thanks @patriceac, @JeLuf and @ogmaresca.
-* 2.5.29 - 27 Mar 2023 - Fix a bug where some non-square images would fail while inpainting with a `The size of tensor a must match size of tensor b` error.
+* 2.5.29 - 27 Mar 2023 - (beta-only) Fix a bug where some non-square images would fail while inpainting with a `The size of tensor a must match size of tensor b` error.
-* 2.5.29 - 27 Mar 2023 - Fix the `incorrect number of channels` error, when given a PNG image with an alpha channel in `Test Diffusers`.
+* 2.5.29 - 27 Mar 2023 - (beta-only) Fix the `incorrect number of channels` error, when given a PNG image with an alpha channel in `Test Diffusers`.
-* 2.5.29 - 27 Mar 2023 - Fix broken inpainting in `Test Diffusers` (beta).
+* 2.5.29 - 27 Mar 2023 - (beta-only) Fix broken inpainting in `Test Diffusers`.
-* 2.5.28 - 24 Mar 2023 - Support for weighted prompts and long prompt lengths (not limited to 77 tokens). This change requires enabling the `Test Diffusers` setting in beta (in the Settings tab), and restarting the program.
+* 2.5.28 - 24 Mar 2023 - (beta-only) Support for weighted prompts and long prompt lengths (not limited to 77 tokens). This change requires enabling the `Test Diffusers` setting in beta (in the Settings tab), and restarting the program.
-* 2.5.27 - 21 Mar 2023 - LoRA support, accessible by enabling the `Test Diffusers` setting (in the Settings tab in the UI). This change switches the internal engine to diffusers (if the `Test Diffusers` setting is enabled). If the `Test Diffusers` flag is disabled, it'll have no impact for the user.
+* 2.5.27 - 21 Mar 2023 - (beta-only) LoRA support, accessible by enabling the `Test Diffusers` setting (in the Settings tab in the UI). This change switches the internal engine to diffusers (if the `Test Diffusers` setting is enabled). If the `Test Diffusers` flag is disabled, it'll have no impact for the user.
 * 2.5.26 - 15 Mar 2023 - Allow styling the buttons displayed on an image. Update the API to allow multiple buttons and text labels in a single row. Thanks @ogmaresca.
 * 2.5.26 - 15 Mar 2023 - View images in full-screen, by either clicking on the image, or clicking the "Full screen" icon next to the Seed number on the image. Thanks @ogmaresca for the internal API.
 * 2.5.25 - 14 Mar 2023 - Button to download all the images, and all the metadata as a zip file. This is available at the top of the UI, as well as on each image. Thanks @JeLuf.

scripts/functions.sh

@@ -31,7 +31,7 @@ EOF
 filesize() {
     case "$(uname -s)" in
         Linux*)     stat -c "%s" $1;;
-        Darwin*)    stat -f "%z" $1;;
+        Darwin*)    /usr/bin/stat -f "%z" $1;;
         *)          echo "Unknown OS: $OS_NAME! This script runs only on Linux or Mac" && exit
     esac
 }

scripts/on_sd_start.bat

@@ -95,7 +95,7 @@ if "%ERRORLEVEL%" EQU "0" (
         set PYTHONNOUSERSITE=1
         set PYTHONPATH=%INSTALL_ENV_DIR%\lib\site-packages
 
-        call python -m pip install --upgrade sdkit==1.0.62 -q || (
+        call python -m pip install --upgrade sdkit==1.0.64 -q || (
             echo "Error updating sdkit"
         )
     )
@@ -106,7 +106,7 @@ if "%ERRORLEVEL%" EQU "0" (
     set PYTHONNOUSERSITE=1
     set PYTHONPATH=%INSTALL_ENV_DIR%\lib\site-packages
 
-    call python -m pip install sdkit==1.0.62 || (
+    call python -m pip install sdkit==1.0.64 || (
         echo "Error installing sdkit. Sorry about that, please try to:" & echo "  1. Run this installer again." & echo "  2. If that doesn't fix it, please try the common troubleshooting steps at https://github.com/cmdr2/stable-diffusion-ui/wiki/Troubleshooting" & echo "  3. If those steps don't help, please copy *all* the error messages in this window, and ask the community at https://discord.com/invite/u9yhsFmEkB" & echo "  4. If that doesn't solve the problem, please file an issue at https://github.com/cmdr2/stable-diffusion-ui/issues" & echo "Thanks!"
         pause
         exit /b

scripts/on_sd_start.sh

@@ -103,7 +103,7 @@ if python ../scripts/check_modules.py sdkit sdkit.models ldm transformers numpy
         export PYTHONNOUSERSITE=1
         export PYTHONPATH="$INSTALL_ENV_DIR/lib/python3.8/site-packages"
 
-        python -m pip install --upgrade sdkit==1.0.62 -q
+        python -m pip install --upgrade sdkit==1.0.64 -q
     fi
 else
     echo "Installing sdkit: https://pypi.org/project/sdkit/"
@@ -111,7 +111,7 @@ else
     export PYTHONNOUSERSITE=1
     export PYTHONPATH="$INSTALL_ENV_DIR/lib/python3.8/site-packages"
 
-    if python -m pip install sdkit==1.0.62 ; then
+    if python -m pip install sdkit==1.0.64 ; then
         echo "Installed."
     else
         fail "sdkit install failed"

ui/easydiffusion/server.py

@@ -10,7 +10,7 @@ from typing import List, Union
 from fastapi import FastAPI, HTTPException
 from fastapi.staticfiles import StaticFiles
 from starlette.responses import FileResponse, JSONResponse, StreamingResponse
-from pydantic import BaseModel
+from pydantic import BaseModel, Extra
 
 from easydiffusion import app, model_manager, task_manager
 from easydiffusion.types import TaskData, GenerateImageRequest, MergeRequest
@@ -44,7 +44,7 @@ class NoCacheStaticFiles(StaticFiles):
         return super().is_not_modified(response_headers, request_headers)
 
 
-class SetAppConfigRequest(BaseModel):
+class SetAppConfigRequest(BaseModel, extra=Extra.allow):
     update_branch: str = None
     render_devices: Union[List[str], List[int], str, int] = None
     model_vae: str = None
@@ -136,6 +136,10 @@ def set_app_config_internal(req: SetAppConfigRequest):
 
     config["test_diffusers"] = req.test_diffusers
 
+    for property, property_value in req.dict().items():
+        if property_value is not None and property not in req.__fields__:
+            config[property] = property_value
+
     try:
         app.setConfig(config)
 

ui/easydiffusion/utils/save_utils.py

@@ -1,13 +1,18 @@
 import os
 import time
+import base64
 import re
 
+from easydiffusion import app
 from easydiffusion.types import TaskData, GenerateImageRequest
+from functools import reduce
+from datetime import datetime
 
 from sdkit.utils import save_images, save_dicts
 from numpy import base_repr
 
 filename_regex = re.compile("[^a-zA-Z0-9._-]")
+img_number_regex = re.compile("([0-9]{5,})")
 
 # keep in sync with `ui/media/js/dnd.js`
 TASK_TEXT_MAPPING = {
@@ -28,15 +33,89 @@ TASK_TEXT_MAPPING = {
     "use_hypernetwork_model": "Hypernetwork model",
     "hypernetwork_strength": "Hypernetwork Strength",
     "use_lora_model": "LoRA model",
-    # "lora_alpha": "LoRA Strength",
+    "lora_alpha": "LoRA Strength",
 }
 
+time_placeholders = {
+    "$yyyy": "%Y",
+    "$MM": "%m",
+    "$dd": "%d",
+    "$HH": "%H",
+    "$mm": "%M",
+    "$ss": "%S",
+}
+
+other_placeholders = {
+    "$id": lambda req, task_data: filename_regex.sub("_", task_data.session_id),
+    "$p": lambda req, task_data: filename_regex.sub("_", req.prompt)[:50],
+    "$s": lambda req, task_data: str(req.seed),
+}
+
+class ImageNumber:
+    _factory = None
+    _evaluated = False
+
+    def __init__(self, factory):
+        self._factory = factory
+        self._evaluated = None
+    def __call__(self) -> int:
+        if self._evaluated is None:
+            self._evaluated = self._factory()
+        return self._evaluated
+
+def format_placeholders(format: str, req: GenerateImageRequest, task_data: TaskData, now = None):
+    if now is None:
+        now = time.time()
+
+    for placeholder, time_format in time_placeholders.items():
+        if placeholder in format:
+            format = format.replace(placeholder, datetime.fromtimestamp(now).strftime(time_format))
+    for placeholder, replace_func in other_placeholders.items():
+        if placeholder in format:
+            format = format.replace(placeholder, replace_func(req, task_data))
+
+    return format
+
+def format_folder_name(format: str, req: GenerateImageRequest, task_data: TaskData):
+    format = format_placeholders(format, req, task_data)
+    return filename_regex.sub("_", format)
+
+def format_file_name(
+    format: str,
+    req: GenerateImageRequest,
+    task_data: TaskData,
+    now: float,
+    batch_file_number: int,
+    folder_img_number: ImageNumber,
+):
+    format = format_placeholders(format, req, task_data, now)
+    
+    if "$n" in format:
+        format = format.replace("$n", f"{folder_img_number():05}")
+    
+    if "$tsb64" in format:
+        img_id = base_repr(int(now * 10000), 36)[-7:] + base_repr(int(batch_file_number), 36) # Base 36 conversion, 0-9, A-Z
+        format = format.replace("$tsb64", img_id)
+    
+    if "$ts" in format:
+        format = format.replace("$ts", str(int(now * 1000) + batch_file_number))
+
+    return filename_regex.sub("_", format)
 
 def save_images_to_disk(images: list, filtered_images: list, req: GenerateImageRequest, task_data: TaskData):
     now = time.time()
-    save_dir_path = os.path.join(task_data.save_to_disk_path, filename_regex.sub("_", task_data.session_id))
+    app_config = app.getConfig()
+    folder_format = app_config.get("folder_format", "$id")
+    save_dir_path = os.path.join(task_data.save_to_disk_path, format_folder_name(folder_format, req, task_data))
     metadata_entries = get_metadata_entries_for_request(req, task_data)
-    make_filename = make_filename_callback(req, now=now)
+    file_number = calculate_img_number(save_dir_path, task_data)
+    make_filename = make_filename_callback(
+        app_config.get("filename_format", "$p_$tsb64"),
+        req,
+        task_data,
+        file_number,
+        now=now,
+    )
 
     if task_data.show_only_filtered_image or filtered_images is images:
         save_images(
@@ -58,7 +137,7 @@ def save_images_to_disk(images: list, filtered_images: list, req: GenerateImageR
                         file_format=task_data.output_format,
                     )
     else:
-        make_filter_filename = make_filename_callback(req, now=now, suffix="filtered")
+        make_filter_filename = make_filename_callback(req, task_data, file_number, now=now, suffix="filtered")
 
         save_images(
             images,
@@ -105,9 +184,6 @@ def get_metadata_entries_for_request(req: GenerateImageRequest, task_data: TaskD
     if task_data.use_lora_model is None:
         if "lora_alpha" in metadata:
             del metadata["lora_alpha"]
-
-        from easydiffusion import app
-
         app_config = app.getConfig()
         if not app_config.get("test_diffusers", False) and "use_lora_model" in metadata:
             del metadata["use_lora_model"]
@@ -133,16 +209,66 @@ def get_printable_request(req: GenerateImageRequest):
     return metadata
 
 
-def make_filename_callback(req: GenerateImageRequest, suffix=None, now=None):
+def make_filename_callback(
+    filename_format: str,
+    req: GenerateImageRequest,
+    task_data: TaskData,
+    folder_img_number: int,
+    suffix=None,
+    now=None,
+):
     if now is None:
         now = time.time()
 
     def make_filename(i):
-        img_id = base_repr(int(now * 10000), 36)[-7:] + base_repr(int(i),36)  # Base 36 conversion, 0-9, A-Z
+        name = format_file_name(filename_format, req, task_data, now, i, folder_img_number)
-
-        prompt_flattened = filename_regex.sub("_", req.prompt)[:50]
-        name = f"{prompt_flattened}_{img_id}"
         name = name if suffix is None else f"{name}_{suffix}"
+
         return name
 
     return make_filename
+
+def _calculate_img_number(save_dir_path: str, task_data: TaskData):
+    def get_highest_img_number(accumulator: int, file: os.DirEntry) -> int:
+        if not file.is_file:
+            return accumulator
+        
+        if len(list(filter(lambda e: file.name.endswith(e), app.IMAGE_EXTENSIONS))) == 0:
+            return accumulator
+        
+        get_highest_img_number.number_of_images = get_highest_img_number.number_of_images + 1
+        
+        number_match = img_number_regex.match(file.name)
+        if not number_match:
+            return accumulator
+        
+        file_number = number_match.group().lstrip('0')
+        
+        # Handle 00000
+        return int(file_number) if file_number else 0
+    
+    get_highest_img_number.number_of_images = 0
+    
+    highest_file_number = -1
+
+    if os.path.isdir(save_dir_path):
+        existing_files = list(os.scandir(save_dir_path))
+        highest_file_number = reduce(get_highest_img_number, existing_files, -1)
+
+    calculated_img_number = max(highest_file_number, get_highest_img_number.number_of_images - 1)
+
+    if task_data.session_id in _calculate_img_number.session_img_numbers:
+        calculated_img_number = max(
+            _calculate_img_number.session_img_numbers[task_data.session_id],
+            calculated_img_number,
+        )
+    
+    calculated_img_number = calculated_img_number + 1
+    
+    _calculate_img_number.session_img_numbers[task_data.session_id] = calculated_img_number
+    return calculated_img_number
+
+_calculate_img_number.session_img_numbers = {}
+
+def calculate_img_number(save_dir_path: str, task_data: TaskData):
+    return ImageNumber(lambda: _calculate_img_number(save_dir_path, task_data))

ui/index.html

@@ -30,7 +30,7 @@
             <h1>
                 <img id="logo_img" src="/media/images/icon-512x512.png" >
                 Easy Diffusion
-                <small>v2.5.30 <span id="updateBranchLabel"></span></small>
+                <small>v2.5.31 <span id="updateBranchLabel"></span></small>
             </h1>
         </div>
         <div id="server-status">
@@ -221,7 +221,7 @@
                         <input id="lora_model" type="text" spellcheck="false" autocomplete="off" class="model-filter" data-path="" />
                     </td></tr>
                     <tr id="lora_alpha_container" class="pl-5">
-                        <td><label for="lora_alpha_slider">LoRA strength:</label></td>
+                        <td><label for="lora_alpha_slider">LoRA Strength:</label></td>
                         <td> <input id="lora_alpha_slider" name="lora_alpha_slider" class="editor-slider" value="50" type="range" min="0" max="100"> <input id="lora_alpha" name="lora_alpha" size="4" pattern="^[0-9\.]+$" onkeypress="preventNonNumericalInput(event)"><br/></td>
                     </tr>
                     <tr class="pl-5"><td><label for="hypernetwork_model">Hypernetwork:</i></label></td><td>
@@ -293,6 +293,12 @@
 
         <div id="preview" class="col-free">
 
+            <div id="initial-text">
+                Type a prompt and press the "Make Image" button.<br/><br/>You can set an "Initial Image" if you want to guide the AI.<br/><br/>
+                You can also add modifiers like "Realistic", "Pencil Sketch", "ArtStation" etc by browsing through the "Image Modifiers" section 
+                and selecting the desired modifiers.<br/><br/>
+                Click "Image Settings" for additional settings like seed, image size, number of images to generate etc.<br/><br/>Enjoy! :)
+            </div>
             <div id="preview-content">
                 <div id="preview-tools" class="displayNone">
                     <button id="clear-all-previews" class="secondaryButton"><i class="fa-solid fa-trash-can icon"></i> Clear All</button>
@@ -326,12 +332,6 @@
                     <div class="clearfix" style="clear: both;"></div>
                 </div>
             </div>
-            <div id="initial-text">
-                Type a prompt and press the "Make Image" button.<br/><br/>You can set an "Initial Image" if you want to guide the AI.<br/><br/>
-                You can also add modifiers like "Realistic", "Pencil Sketch", "ArtStation" etc by browsing through the "Image Modifiers" section 
-                and selecting the desired modifiers.<br/><br/>
-                Click "Image Settings" for additional settings like seed, image size, number of images to generate etc.<br/><br/>Enjoy! :)
-            </div>
         </div>
         </div>
 

ui/media/css/main.css

@@ -238,6 +238,10 @@ code {
 #stopImage:hover {
     background: rgb(177, 27, 0);
 }
+#undo {
+    float: right;
+    margin-left: 5px;
+}
 
 div#render-buttons {
     gap: 3px;

ui/media/js/dnd.js

@@ -245,6 +245,14 @@ const TASK_MAPPING = {
         readUI: () => loraModelField.value,
         parse: (val) => val
     },
+    lora_alpha: { name: 'LoRA Strength',
+        setUI: (lora_alpha) => {
+            loraAlphaField.value = lora_alpha
+            updateLoraAlphaSlider()
+        },
+        readUI: () => parseFloat(loraAlphaField.value),
+        parse: (val) => parseFloat(val)
+    },
     use_hypernetwork_model: { name: 'Hypernetwork model',
         setUI: (use_hypernetwork_model) => {
             const oldVal = hypernetworkModelField.value
@@ -341,6 +349,11 @@ function restoreTaskToUI(task, fieldsToSkip) {
         hypernetworkModelField.dispatchEvent(new Event("change"))
     }
     
+    if (!('use_lora_model' in task.reqBody)) {
+        loraModelField.value = "None"
+        loraModelField.dispatchEvent(new Event("change"))
+    }
+    
     // restore the original prompt if provided (e.g. use settings), fallback to prompt as needed (e.g. copy/paste or d&d)
     promptField.value = task.reqBody.original_prompt
     if (!('original_prompt' in task.reqBody)) {

ui/media/js/image-modal.js

@@ -1,6 +1,28 @@
 "use strict"
 
+/**
+ * @typedef {object} ImageModalRequest
+ * @property {string} src
+ * @property {ImageModalRequest | () => ImageModalRequest | undefined} previous
+ * @property {ImageModalRequest | () => ImageModalRequest | undefined} next
+ */
+
+/**
+ * @type {(() => (string | ImageModalRequest) | string | ImageModalRequest) => {}}
+ */
 const imageModal = (function() {
+    const backElem = createElement(
+        'i',
+        undefined,
+        ['fa-solid', 'fa-arrow-left', 'tertiaryButton'],
+    )
+
+    const forwardElem = createElement(
+        'i',
+        undefined,
+        ['fa-solid', 'fa-arrow-right', 'tertiaryButton'],
+    )
+
     const zoomElem = createElement(
         'i',
         undefined,
@@ -13,7 +35,7 @@ const imageModal = (function() {
         ['fa-solid', 'fa-xmark', 'tertiaryButton'],
     )
 
-    const menuBarElem = createElement('div', undefined, 'menu-bar', [zoomElem, closeElem])
+    const menuBarElem = createElement('div', undefined, 'menu-bar', [backElem, forwardElem, zoomElem, closeElem])
 
     const imageContainer = createElement('div', undefined, 'image-wrapper')
 
@@ -63,15 +85,87 @@ const imageModal = (function() {
         () => setZoomLevel(imageContainer.querySelector('img')?.classList?.contains('natural-zoom')),
     )
 
-    const close = () => {
+    const state = {
+        previous: undefined,
+        next: undefined,
+    }
+
+    const clear = () => {
         imageContainer.innerHTML = ''
+
+        Object.keys(state).forEach(key => delete state[key])
+    }
+
+    const close = () => {
+        clear()
         modalElem.classList.remove('active')
         document.body.style.overflow = 'initial'
     }
 
-    window.addEventListener('keydown', (e) => {
+    /**
-        if (e.key === 'Escape' && modalElem.classList.contains('active')) {
+     * @param {() => (string | ImageModalRequest) | string | ImageModalRequest} optionsFactory
+     */
+    function init(optionsFactory) {
+        if (!optionsFactory) {
             close()
+            return
+        }
+
+        clear()
+
+        const options = typeof optionsFactory === 'function' ? optionsFactory() : optionsFactory
+        const src = typeof options === 'string' ? options : options.src
+
+        const imgElem = createElement('img', { src }, 'natural-zoom')
+        imageContainer.appendChild(imgElem)
+        modalElem.classList.add('active')
+        document.body.style.overflow = 'hidden'
+        setZoomLevel(false)
+
+        if (typeof options === 'object' && options.previous) {
+            state.previous = options.previous
+            backElem.style.display = 'unset'
+        } else {
+            backElem.style.display = 'none'
+        }
+
+        if (typeof options === 'object' && options.next) {
+            state.next = options.next
+            forwardElem.style.display = 'unset'
+        } else {
+            forwardElem.style.display = 'none'
+        }
+    }
+
+    const back = () => {
+        if (state.previous) {
+            init(state.previous)
+        } else {
+            backElem.style.display = 'none'
+        }
+    }
+
+    const forward = () => {
+        if (state.next) {
+            init(state.next)
+        } else {
+            forwardElem.style.display = 'none'
+        }
+    }
+
+    window.addEventListener('keydown', (e) => {
+        if (modalElem.classList.contains('active')) {
+            switch (e.key) {
+                case 'Escape':
+                    close()
+                    break
+                case 'ArrowLeft':
+                    back()
+                    break
+                case 'ArrowRight':
+                    forward()
+                    break
+            }
         }
     })
     window.addEventListener('click', (e) => {
@@ -86,15 +180,12 @@ const imageModal = (function() {
         }
     })
 
-    return (optionsFactory) => {
+    backElem.addEventListener('click', back)
-        const options = typeof optionsFactory === 'function' ? optionsFactory() : optionsFactory
-        const src = typeof options === 'string' ? options : options.src
 
-        // TODO center it if < window size
+    forwardElem.addEventListener('click', forward)
-        const imgElem = createElement('img', { src }, 'natural-zoom')
+
-        imageContainer.appendChild(imgElem)
+    /**
-        modalElem.classList.add('active')
+     * @param {() => (string | ImageModalRequest) | string | ImageModalRequest} optionsFactory
-        document.body.style.overflow = 'hidden'
+     */
-        setZoomLevel(false)
+    return (optionsFactory) => init(optionsFactory)
-    }
 })()

ui/media/js/main.js

@@ -398,7 +398,30 @@ function showImages(reqBody, res, outputContainer, livePreview) {
         if ('seed' in result && !imageElem.hasAttribute('data-seed')) {
             const imageExpandBtn = imageItemElem.querySelector('.imgExpandBtn')
             imageExpandBtn.addEventListener('click', function() {
-                imageModal(imageElem.src)
+                function previousImage(img) {
+                    const allImages = Array.from(outputContainer.parentNode.querySelectorAll('.imgItem img'))
+                    const index = allImages.indexOf(img)
+                    return allImages.slice(0, index).reverse()[0]
+                }
+
+                function nextImage(img) {
+                    const allImages = Array.from(outputContainer.parentNode.querySelectorAll('.imgItem img'))
+                    const index = allImages.indexOf(img)
+                    return allImages.slice(index + 1)[0]
+                }
+
+                function imageModalParameter(img) {
+                    const previousImg = previousImage(img)
+                    const nextImg = nextImage(img)
+
+                    return {
+                        src: img.src,
+                        previous: previousImg ? () => imageModalParameter(previousImg) : undefined,
+                        next: nextImg ? () => imageModalParameter(nextImg) : undefined,
+                    }
+                }
+
+                imageModal(imageModalParameter(imageElem))
             })
 
             const req = Object.assign({}, reqBody, {
@@ -1099,7 +1122,7 @@ function createTask(task) {
 function getCurrentUserRequest() {
     const numOutputsTotal = parseInt(numOutputsTotalField.value)
     const numOutputsParallel = parseInt(numOutputsParallelField.value)
-    const seed = (randomSeedField.checked ? Math.floor(Math.random() * 10000000) : parseInt(seedField.value))
+    const seed = (randomSeedField.checked ? Math.floor(Math.random() * (2**32 - 1)) : parseInt(seedField.value))
 
     const newTask = {
         batchesDone: 0,
@@ -1287,13 +1310,15 @@ async function stopAllTasks() {
 
 function updateInitialText() {
     if (document.querySelector('.imageTaskContainer') === null) {
-        if (undoBuffer.length == 0) {
+        if (undoBuffer.length > 0) {
-            previewTools.classList.add('displayNone')
+            initialText.prepend(undoButton)
         }
+        previewTools.classList.add('displayNone')
         initialText.classList.remove('displayNone')
     } else {
         initialText.classList.add('displayNone')
         previewTools.classList.remove('displayNone')
+        document.querySelector('div.display-settings').prepend(undoButton)
     }
 }
 

ui/media/js/parameters.js

@@ -15,10 +15,13 @@
  * JSDoc style
  * @typedef {object} Parameter
  * @property {string} id
- * @property {ParameterType} type
+ * @property {keyof ParameterType} type
- * @property {string} label
+ * @property {string | (parameter: Parameter) => (HTMLElement | string)} label
- * @property {?string} note
+ * @property {string | (parameter: Parameter) => (HTMLElement | string) | undefined} note
+ * @property {(parameter: Parameter) => (HTMLElement | string) | undefined} render
+ * @property {string | undefined} icon
  * @property {number|boolean|string} default
+ * @property {boolean?} saveInAppConfig
  */
 
 
@@ -118,6 +121,7 @@ var PARAMETERS = [
         note: "starts the default browser on startup",
         icon: "fa-window-restore",
         default: true,
+        saveInAppConfig: true,
     },
     {
         id: "vram_usage_level",
@@ -179,6 +183,7 @@ var PARAMETERS = [
         note: "Other devices on your network can access this web page",
         icon: "fa-network-wired",
         default: true,
+        saveInAppConfig: true,
     },
     {
         id: "listen_port",
@@ -188,7 +193,8 @@ var PARAMETERS = [
         icon: "fa-anchor",
         render: (parameter) => {
             return `<input id="${parameter.id}" name="${parameter.id}" size="6" value="9000" onkeypress="preventNonNumericalInput(event)">`
-        }
+        },
+        saveInAppConfig: true,
     },
     {
         id: "use_beta_channel",
@@ -205,6 +211,7 @@ var PARAMETERS = [
         note: "<b>Experimental! Can have bugs!</b> Use upcoming features (like LoRA) in our new engine. Please press Save, then restart the program after changing this.",
         icon: "fa-bolt",
         default: false,
+        saveInAppConfig: true,
     },
 ];
 
@@ -228,6 +235,10 @@ function sliderUpdate(event) {
     }
 }
 
+/**
+ * @param {Parameter} parameter 
+ * @returns {string | HTMLElement}
+ */
 function getParameterElement(parameter) {
     switch (parameter.type) {
         case ParameterType.checkbox:
@@ -243,29 +254,74 @@ function getParameterElement(parameter) {
         case ParameterType.custom:
             return parameter.render(parameter)
         default:
-            console.error(`Invalid type for parameter ${parameter.id}`);
+            console.error(`Invalid type ${parameter.type} for parameter ${parameter.id}`);
             return "ERROR: Invalid Type"
     }
 }
 
 let parametersTable = document.querySelector("#system-settings .parameters-table")
-/* fill in the system settings popup table */
+/**
-function initParameters() {
+ * fill in the system settings popup table
-    PARAMETERS.forEach(parameter => {
+ * @param {Array<Parameter> | undefined} parameters
-        var element = getParameterElement(parameter)
+ * */
-        var note = parameter.note ? `<small>${parameter.note}</small>` : "";
+function initParameters(parameters) {
-        var icon = parameter.icon ? `<i class="fa ${parameter.icon}"></i>` : "";
+    parameters.forEach(parameter => {
-        var newrow = document.createElement('div')
+        const element = getParameterElement(parameter)
-        newrow.innerHTML = `
+        const elementWrapper = createElement('div')
-            <div>${icon}</div>
+        if (element instanceof Node) {
-            <div><label for="${parameter.id}">${parameter.label}</label>${note}</div>
+            elementWrapper.appendChild(element)
-            <div>${element}</div>`
+        } else {
+            elementWrapper.innerHTML = element
+        }
+
+        const note = typeof parameter.note === 'function' ? parameter.note(parameter) : parameter.note
+        const noteElements = []
+        if (note) {
+            const noteElement = createElement('small')
+            if (note instanceof Node) {
+                noteElement.appendChild(note)
+            } else {
+                noteElement.innerHTML = note || ''
+            }
+            noteElements.push(noteElement)
+        }
+
+        const icon = parameter.icon ? [createElement('i', undefined, ['fa', parameter.icon])] : []
+
+        const label = typeof parameter.label === 'function' ? parameter.label(parameter) : parameter.label
+        const labelElement = createElement('label', { for: parameter.id })
+        if (label instanceof Node) {
+            labelElement.appendChild(label)
+        } else {
+            labelElement.innerHTML = label
+        }
+
+        const newrow = createElement(
+            'div',
+            { 'data-setting-id': parameter.id, 'data-save-in-app-config': parameter.saveInAppConfig },
+            undefined,
+            [
+                createElement('div', undefined, undefined, icon),
+                createElement('div', undefined, undefined, [labelElement, ...noteElements]),
+                elementWrapper,
+            ]
+        )
         parametersTable.appendChild(newrow)
         parameter.settingsEntry = newrow
     })
 }
 
-initParameters()
+initParameters(PARAMETERS)
+
+// listen to parameters from plugins
+PARAMETERS.addEventListener('push', (...items) => {
+    initParameters(items)
+    
+    if (items.find(item => item.saveInAppConfig)) {
+        console.log('Reloading app config for new parameters', items.map(p => p.id))
+        getAppConfig()
+    }
+})
 
 let vramUsageLevelField = document.querySelector('#vram_usage_level')
 let useCPUField = document.querySelector('#use_cpu')
@@ -321,15 +377,53 @@ async function getAppConfig() {
         if (config.net && config.net.listen_port !== undefined) {
             listenPortField.value = config.net.listen_port
         }
-        if (config.test_diffusers !== undefined) {
+        if (config.test_diffusers === undefined || config.update_branch === 'main') {
-            testDiffusers.checked = config.test_diffusers && config.update_branch === 'beta'
+            document.querySelector("#lora_model_container").style.display = 'none'
+            document.querySelector("#lora_alpha_container").style.display = 'none'
+        } else {
+            testDiffusers.checked = config.test_diffusers && config.update_branch !== 'main'
             document.querySelector("#lora_model_container").style.display = (testDiffusers.checked ? '' : 'none')
             document.querySelector("#lora_alpha_container").style.display = (testDiffusers.checked && loraModelField.value !== "" ? '' : 'none')
         }
 
+        Array.from(parametersTable.children).forEach(parameterRow => {
+            if (parameterRow.dataset.settingId in config && parameterRow.dataset.saveInAppConfig === 'true') {
+                const configValue = config[parameterRow.dataset.settingId]
+                const parameterElement = document.getElementById(parameterRow.dataset.settingId) ||
+                    parameterRow.querySelector('input') || parameterRow.querySelector('select')
+    
+                switch (parameterElement?.tagName) {
+                    case 'INPUT':
+                        if (parameterElement.type === 'checkbox') {
+                            parameterElement.checked = configValue
+                        } else {
+                            parameterElement.value = configValue
+                        }
+                        parameterElement.dispatchEvent(new Event('change'))
+                        break
+                    case 'SELECT':
+                        if (Array.isArray(configValue)) {
+                            Array.from(parameterElement.options).forEach(option => {
+                                if (configValue.includes(option.value || option.text)) {
+                                    option.selected = true
+                                }
+                            })
+                        } else {
+                            parameterElement.value = configValue
+                        }
+                        parameterElement.dispatchEvent(new Event('change'))
+                        break
+                }
+            }
+        })
+
         console.log('get config status response', config)
+
+        return config
     } catch (e) {
         console.log('get config status error', e)
+
+        return {}
     }
 }
 
@@ -489,16 +583,43 @@ saveSettingsBtn.addEventListener('click', function() {
         alert('The network port must be a number from 1 to 65535')
         return
     }
-    let updateBranch = (useBetaChannelField.checked ? 'beta' : 'main')
+    const updateBranch = (useBetaChannelField.checked ? 'beta' : 'main')
-    changeAppConfig({
+
+    const updateAppConfigRequest = {
         'render_devices': getCurrentRenderDeviceSelection(),
         'update_branch': updateBranch,
-        'ui_open_browser_on_start': uiOpenBrowserOnStartField.checked,
+    }
-        'listen_to_network': listenToNetworkField.checked,
-        'listen_port': listenPortField.value,
-        'test_diffusers': testDiffusers.checked
-    })
-    saveSettingsBtn.classList.add('active')
-    asyncDelay(300).then(() => saveSettingsBtn.classList.remove('active'))
-})
 
+    Array.from(parametersTable.children).forEach(parameterRow => {
+        if (parameterRow.dataset.saveInAppConfig === 'true') {
+            const parameterElement = document.getElementById(parameterRow.dataset.settingId) ||
+                parameterRow.querySelector('input') || parameterRow.querySelector('select')
+
+            switch (parameterElement?.tagName) {
+                case 'INPUT':
+                    if (parameterElement.type === 'checkbox') {
+                        updateAppConfigRequest[parameterRow.dataset.settingId] = parameterElement.checked
+                    } else {
+                        updateAppConfigRequest[parameterRow.dataset.settingId] = parameterElement.value
+                    }
+                    break
+                case 'SELECT':
+                    if (parameterElement.multiple) {
+                        updateAppConfigRequest[parameterRow.dataset.settingId] = Array.from(parameterElement.options)
+                            .filter(option => option.selected)
+                            .map(option => option.value || option.text)
+                    } else {
+                        updateAppConfigRequest[parameterRow.dataset.settingId] = parameterElement.value
+                    }
+                    break
+                default:
+                    console.error(`Setting parameter ${parameterRow.dataset.settingId} couldn't be saved to app.config - element #${parameter.id} is a <${parameterElement?.tagName} /> instead of a <input /> or a <select />!`)
+                    break
+            }
+        }
+    })
+
+    const savePromise = changeAppConfig(updateAppConfigRequest)
+    saveSettingsBtn.classList.add('active')
+    Promise.all([savePromise, asyncDelay(300)]).then(() => saveSettingsBtn.classList.remove('active'))
+})

ui/media/js/utils.js

@@ -690,7 +690,9 @@ function createElement(tagName, attributes, classes, textOrElements) {
     const element = document.createElement(tagName)
     if (attributes) {
         Object.entries(attributes).forEach(([key, value]) => {
-            element.setAttribute(key, value)
+            if (value !== undefined && value !== null) {
+                element.setAttribute(key, value)
+            }
         });
     }
     if (classes) {
@@ -709,6 +711,21 @@ function createElement(tagName, attributes, classes, textOrElements) {
     return element
 }
 
+/*
+ * Add a listener for arrays
+ * @param {keyof Array} method
+ * @param {(args) => {}} callback
+ */
+Array.prototype.addEventListener = function(method, callback) {
+    const originalFunction = this[method]
+    if (originalFunction) {
+        this[method] = function() {
+            originalFunction.apply(this, arguments)
+            callback.apply(this, arguments)
+        }
+    }
+}
+
 /**
  * @typedef {object} TabOpenDetails
  * @property {HTMLElement} contentElement