Changeing the seed now updates the prompt textbox title

__init__.py

@@ -44,3 +44,6 @@ for x in NODE_MAP:
     x['class'].CATEGORY = 'StableWildcards'
     NODE_CLASS_MAPPINGS[x['name']] = x['class']
     NODE_DISPLAY_NAME_MAPPINGS[x['name']] = x['disp']
+
+# Location of web extensions
+WEB_DIRECTORY = './js'

js/StableWildcard.js

@@ -0,0 +1,117 @@
+/**
+# The MIT License (MIT)
+#
+# Copyright © 2023 Michael Wolfe (DigitalIO)
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+# documentation files (the “Software”), to deal in the Software without restriction, including without limitation the
+# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
+# and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all copies or substantial portions of
+# the Software.
+#
+# THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+#*/
+
+import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
+
+/**
+  Call the server to process the prompt and set it as the textarea title
+*/
+async function updateTitle(node, e) {
+  const promptValue = node.widgets[0].element.value;
+  const seedValue = node.widgets[1].value;
+
+  // Get the resulting string from the server
+  const response = await api.fetchApi(`/stable-wildcards/process`, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({prompt: promptValue, seed: seedValue})
+  });
+  const data = await  response.json();
+
+  // Update the title
+  node.widgets[0].element.title = data['prompt'];
+}
+
+/**
+  Change the title for the text area to include the loaded result
+*/
+function loadStableWildcardNode(node, app) {
+  let wildcardData = app.graph.extra['stable-wildcards'];
+
+  // Fallback to use the server on changes
+  if (!wildcardData || !wildcardData[node.id]) {
+    updateTitle(node, null);
+    return;
+  }
+    
+  // Change the title
+  node.widgets[0].element.title = wildcardData[node.id];
+}
+
+/**
+  Listen for prompt changes and update title
+*/
+function stableWildcardNodeCreated(node, app) {
+  let lastCall;
+  
+  // Use the change event to update the title for the prompt (textarea)
+  node.widgets[0].element.addEventListener(
+    'change',
+    updateTitle.bind(null, node),
+    false
+  );
+  
+  // The seed widget does not offer a change callback.
+  // Instead proxy the widget and hook the set function
+  node.widgets[1]  = new Proxy(node.widgets[1], {
+    set(target, p, newValue, receiver) {
+      
+      // We are now responsible for all updates
+      target[p] = newValue;
+      
+      // If the property updated was the value (thats the seed we care about)
+      if (p === 'value') {
+        // Using the UI slider to change the seed can call this function
+        // hundreds of times per second. We don't want to send a server request for
+        // every update, so only update once the value has stoped changing
+        if (lastCall) {
+          clearTimeout(lastCall);
+        }
+        
+        lastCall = setTimeout(updateTitle.bind(null, node), 250);
+      }
+      
+      // Return true for no issues
+      return true;
+    }
+  });
+}
+
+// Create the Stable Wildcard extension
+const StableWildcardsExtension = {
+  name: 'StableWildcards',
+  loadedGraphNode(node, app) {
+    if (node.type !== "Stable Wildcards") {
+      return;
+    }
+    loadStableWildcardNode(node, app);
+  },
+  nodeCreated(node, app) {
+    if (node.comfyClass !== "Stable Wildcards") {
+      return;
+    }
+    stableWildcardNodeCreated(node, app);
+  }
+}
+
+// Register app
+app.registerExtension(StableWildcardsExtension);

swnodes/StableWildcard.py

@@ -18,6 +18,15 @@
 import sys
 from random import Random
 import re
+import server
+from aiohttp import web
+
+
+@server.PromptServer.instance.routes.post("/stable-wildcards/process")
+async def process_stable_wildcards(req):
+    json_data = await req.json()
+    prompt = StableWildcard.process_wildcards(json_data['prompt'], json_data['seed'])
+    return web.json_response({"prompt": prompt}, content_type='application/json')
 
 
 class StableWildcard:
@@ -43,44 +52,85 @@ class StableWildcard:
         return {
             "required": {
                 # Without dynamicPrompts set to false ComfyUI will randomize our prompt before we get to it!
-                "prompt":  ('STRING', {'default': '', 'multiline': True, 'dynamicPrompts': False}),
-                "seed"  :  ('INT', {'default': 0, 'min': 0, 'max': sys.maxsize}),
+                "prompt" : ('STRING', {'default': '', 'multiline': True, 'dynamicPrompts': False}),
+                "seed"   : ('INT', {'default': 0, 'min': 0, 'max': sys.maxsize}),
 
                 # Currently unused, but if a breaking change must be introduced
                 # it can be used to provide backwards compatibility.
                 "version": ([1], {'default': 1})
             },
+            "hidden"  : {
+                "id"      : "UNIQUE_ID",
+                "png_info": "EXTRA_PNGINFO",
+            },
             "optional": {}
         }
 
-    def execute(self, prompt, seed, **kwargs):
+    @staticmethod
+    def process_wildcards(prompt, seed):
         """
         Process wildcards using a seed to produce stable output.
         To achieve stable results a new random object is created
         using the given seed.
         """
-
+        # Setup RNG
         rng = Random(int(seed))
 
         # Search & replace matches
-        match = self.WILDCARD_PATTERN.search(prompt)
+        match = StableWildcard.WILDCARD_PATTERN.search(prompt)
         while match:
-
             # Get the options - Remove the {}, split by | character
             # Because the search pattern requires at least one character,
             # ops is guaranteed to have at least one option
             ops = match.group()[1:-1].split('|')
 
             # Pick a random option.
-            pick = ops[rng.randint(0, len(ops)-1)]
+            pick = ops[rng.randint(0, len(ops) - 1)]
 
             # Replace the match and update the string
             # Limit one match incase there are repeated wildcards
             prompt = prompt.replace(match.group(), pick, 1)
 
             # Search for more wildcards
-            match = self.WILDCARD_PATTERN.search(prompt)
+            match = StableWildcard.WILDCARD_PATTERN.search(prompt)
 
+        return prompt
+
+    def execute(self, prompt, seed, **kwargs):
+        """
+        Process the wildcards for execution
+        """
+
+        # Process the wildcards
+        prompt = self.process_wildcards(prompt, seed)
+
+        # Output result console
         print('\033[96m Stable Wildcard: ({}) "{}"\033[0m'.format(seed, prompt))
 
+        # Save output into metadata if everything exists
+        if 'id' in kwargs and 'png_info' in kwargs:
+            id = kwargs['id']
+            png_info = kwargs['png_info']
+
+            # Check for workflow and extra
+            if 'workflow' in png_info:
+                workflow = png_info['workflow']
+
+                # Create extra if missing
+                if 'extra' not in workflow:
+                    workflow['extra'] = {}
+
+                # Create a namespace if necessary
+                if 'stable-wildcards' not in workflow['extra']:
+                    workflow['extra']['stable-wildcards'] = {}
+
+                # Save the result in metadata by id
+                workflow['extra']['stable-wildcards'][id] = prompt
+
+            else:
+                print('\033[96m Stable Wildcard: Workflow missing, output not saved in metadata\033[0m')
+
+        else:
+            print('\033[96m Stable Wildcard: Hidden input missing, output not saved in metadata\033[0m')
+
         return prompt,