Fixed a bunch of crap

Nodes/array_node.py

@@ -0,0 +1,49 @@
+from NodeGraphQt import BaseNode
+
+class ArrayNode(BaseNode):
+    """
+    Array Node:
+      - Inputs: 'in' (value to store), 'ArraySize' (defines maximum length)
+      - Output: 'Array' (the current array as a string)
+      - Stores incoming values in an array with size defined by ArraySize.
+        When full, it removes the oldest value.
+    """
+    __identifier__ = 'io.github.nicole.array'
+    NODE_NAME = 'Array'
+
+    def __init__(self):
+        super(ArrayNode, self).__init__()
+        self.values = {}  # Ensure values is a dictionary.
+        self.add_input('in')
+        self.add_input('ArraySize')
+        self.add_output('Array')
+        self.array = []
+        self.value = "[]"  # Output as a string.
+        self.array_size = 10  # Default array size.
+        self.set_name("Array: []")
+
+    def process_input(self):
+        # Get array size from 'ArraySize' input if available.
+        size_port = self.input('ArraySize')
+        connected_size = size_port.connected_ports() if size_port is not None else []
+        if connected_size:
+            connected_port = connected_size[0]
+            parent_node = connected_port.node()
+            try:
+                self.array_size = int(float(getattr(parent_node, 'value', 10)))
+            except (ValueError, TypeError):
+                self.array_size = 10
+
+        # Get new value from 'in' input if available.
+        in_port = self.input('in')
+        connected_in = in_port.connected_ports() if in_port is not None else []
+        if connected_in:
+            connected_port = connected_in[0]
+            parent_node = connected_port.node()
+            new_value = getattr(parent_node, 'value', None)
+            if new_value is not None:
+                self.array.append(new_value)
+                while len(self.array) > self.array_size:
+                    self.array.pop(0)
+        self.value = str(self.array)
+        self.set_name(f"Array: {self.value}")

Nodes/average_node.py

@@ -0,0 +1,36 @@
+from NodeGraphQt import BaseNode
+
+class AverageNode(BaseNode):
+    """
+    Average Node:
+      - Inputs: A, B, C (adjustable as needed)
+      - Output: Result (the average of the inputs)
+    """
+    __identifier__ = 'io.github.nicole.average'
+    NODE_NAME = 'Average'
+
+    def __init__(self):
+        super(AverageNode, self).__init__()
+        self.values = {}  # Ensure values is a dictionary.
+        self.add_input('A')
+        self.add_input('B')
+        self.add_input('C')
+        self.add_output('Result')
+        self.value = 0
+        self.set_name("Average: 0")
+
+    def process_input(self):
+        values = []
+        for port_name in ['A', 'B', 'C']:
+            port = self.input(port_name)
+            connected = port.connected_ports() if port is not None else []
+            if connected:
+                connected_port = connected[0]
+                parent_node = connected_port.node()
+                try:
+                    values.append(float(getattr(parent_node, 'value', 0)))
+                except (ValueError, TypeError):
+                    pass
+        avg = sum(values) / len(values) if values else 0
+        self.value = avg
+        self.set_name(f"Average: {avg}")

Nodes/character_status_node.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+"""
+Character Status Node
+
+This node represents the character's status. It has no input ports and four output ports:
+  - HP, MP, FP, EXP.
+It polls an API endpoint (http://127.0.0.1:5000/data) every 500 ms to update its values.
+If the API call is successful, the node's title is set to "Character Status (API Connected)".
+If the API is down or returns an error, the title is set to "Character Status (API Disconnected)".
+"""
+
+from NodeGraphQt import BaseNode
+from Qt import QtCore, QtGui
+import requests
+
+def get_draw_stat_port(color, border_color=None, alpha=127):
+    """
+    Returns a custom port painter function that draws a circular port with a
+    semi-transparent fill and then draws text (port label and current value)
+    next to it.
+    """
+    if border_color is None:
+        border_color = color
+
+    def painter_func(painter, rect, info):
+        painter.save()
+        # Draw the port circle.
+        pen = QtGui.QPen(QtGui.QColor(*border_color))
+        pen.setWidth(1.8)
+        painter.setPen(pen)
+        semi_transparent_color = QtGui.QColor(color[0], color[1], color[2], alpha)
+        painter.setBrush(semi_transparent_color)
+        painter.drawEllipse(rect)
+        # Draw the label and current value.
+        port = info.get('port')
+        if port is not None:
+            node = port.node()
+            stat = port.name()
+            # Use the node's 'values' dictionary if available.
+            value = node.values.get(stat, "N/A") if hasattr(node, 'values') else "N/A"
+            text_rect = rect.adjusted(rect.width() + 4, 0, rect.width() + 70, 0)
+            painter.setPen(QtGui.QColor(0, 0, 0))
+            painter.drawText(text_rect, QtCore.Qt.AlignVCenter | QtCore.Qt.AlignLeft,
+                             f"{stat}: {value}")
+        painter.restore()
+    return painter_func
+
+class CharacterStatusNode(BaseNode):
+    __identifier__ = 'io.github.nicole.status'
+    NODE_NAME = 'Character Status'
+
+    def __init__(self):
+        super(CharacterStatusNode, self).__init__()
+        # Initialize the output values as a dictionary.
+        self.values = {"HP": "N/A", "MP": "N/A", "FP": "N/A", "EXP": "N/A"}
+        # Add output ports for each stat with custom painters.
+        self.add_output("HP", painter_func=get_draw_stat_port((255, 0, 0)))         # Red for HP
+        self.add_output("MP", painter_func=get_draw_stat_port((0, 0, 255)))         # Blue for MP
+        self.add_output("FP", painter_func=get_draw_stat_port((0, 255, 0)))         # Green for FP
+        self.add_output("EXP", painter_func=get_draw_stat_port((127, 255, 212)))    # Aquamarine for EXP
+        # Set an initial title.
+        self.set_name("Character Status (API Disconnected)")
+        # Create a QTimer that polls the API every 500ms.
+        self.timer = QtCore.QTimer()
+        self.timer.timeout.connect(self.poll_api)
+        self.timer.start(500)
+
+    def poll_api(self):
+        """
+        Polls the API endpoint to retrieve the latest character stats and updates
+        the node's internal values. Expects a JSON response with keys:
+          - "hp", "mp", "fp", "exp"
+        """
+        try:
+            response = requests.get("http://127.0.0.1:5000/data", timeout=1)
+            if response.status_code == 200:
+                data = response.json()
+                # Update the values dictionary.
+                self.values["HP"] = data.get("hp", "0/0")
+                self.values["MP"] = data.get("mp", "0/0")
+                self.values["FP"] = data.get("fp", "0/0")
+                self.values["EXP"] = data.get("exp", "0.0000")
+                self.set_name("Character Status (API Connected)")
+                self.update()
+            else:
+                self.set_name("Character Status (API Disconnected)")
+        except Exception as e:
+            self.set_name("Character Status (API Disconnected)")
+            print("Error polling API in CharacterStatusNode:", e)

Nodes/convert_to_percent_node.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+"""
+Convert to Percent Node
+
+This node takes an input string formatted as "numerator/denom" (e.g., "50/50"),
+splits it into two numbers, computes (numerator / denom) * 100, and outputs the result
+as a float formatted to 4 decimal places. If an error occurs, an error message is stored.
+The node's title is always "Convert to Percent".
+"""
+
+from NodeGraphQt import BaseNode
+from Qt import QtCore
+
+class ConvertToPercentNode(BaseNode):
+    __identifier__ = 'io.github.nicole.convert'
+    NODE_NAME = 'Convert to Percent'
+
+    def __init__(self):
+        super(ConvertToPercentNode, self).__init__()
+        # Add one input port (expects a string in "numerator/denom" format).
+        self.add_input("in")
+        # Add one output port.
+        self.add_output("Percent")
+        # Initialize internal value.
+        self.value = "No Input"
+        # Set the node title to a static string.
+        self.set_name(self.NODE_NAME)
+        # Initialize a values dictionary so that connected Display nodes can read output.
+        self.values = {}
+
+    def process_input(self):
+        input_port = self.input(0)
+        connected_ports = input_port.connected_ports() if input_port is not None else []
+        if connected_ports:
+            connected_output = connected_ports[0]
+            parent_node = connected_output.node()
+            port_name = connected_output.name()
+            # Use parent's values dictionary if available, else use its value attribute.
+            if hasattr(parent_node, 'values') and isinstance(parent_node.values, dict):
+                input_value = parent_node.values.get(port_name, "")
+            else:
+                input_value = getattr(parent_node, 'value', "")
+            input_str = str(input_value).strip()
+            try:
+                parts = input_str.split('/')
+                if len(parts) != 2:
+                    raise ValueError("Input must be in the format 'num/denom'")
+                numerator = float(parts[0].strip())
+                denominator = float(parts[1].strip())
+                if denominator == 0:
+                    raise ZeroDivisionError("Division by zero")
+                percent = (numerator / denominator) * 100
+                formatted_percent = f"{percent:.4f}"
+                self.value = formatted_percent
+            except Exception as e:
+                self.value = f"Error: {e}"
+        else:
+            self.value = "No Input"
+        # Always keep the title static.
+        self.set_name(self.NODE_NAME)
+        # Store the computed value in the values dictionary under the output port key.
+        self.values["Percent"] = self.value

Nodes/data_node.py

@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+
+"""
+Data Node:
+  - Input: Accepts a value (string, integer, or float) from an input port.
+  - Output: Outputs the current value, either from the input port or set manually via a text box.
+
+Behavior:
+- If both input and output are connected:
+  - Acts as a passthrough, displaying the input value and transmitting it to the output.
+  - Manual input is disabled.
+- If only the output is connected:
+  - Allows manual value entry, which is sent to the output.
+- If only the input is connected:
+  - Displays the input value but does not transmit it further.
+"""
+
+from NodeGraphQt import BaseNode
+
+class DataNode(BaseNode):
+    __identifier__ = 'io.github.nicole.data'
+    NODE_NAME = 'Data Node'
+
+    def __init__(self):
+        super(DataNode, self).__init__()
+        # Add input and output ports.
+        self.add_input('Input')
+        self.add_output('Output')
+        # Add a text input widget for manual entry.
+        self.add_text_input('value', 'Value', text='')
+        # Initialize the value from the widget property.
+        self.process_widget_event()
+        self.set_name(f"Data Node: {self.value}")
+
+    def post_create(self):
+        """
+        Called after the node's widget is fully created.
+        Connect the text input widget's textChanged signal to process_widget_event.
+        """
+        text_widget = self.get_widget('value')
+        if text_widget is not None:
+            try:
+                # Connect the textChanged signal if available.
+                text_widget.textChanged.connect(self.process_widget_event)
+            except Exception as e:
+                print("Error connecting textChanged signal:", e)
+
+    def process_widget_event(self, event=None):
+        """
+        Reads the current text from the node's property and updates the node's internal value.
+        """
+        current_text = self.get_property('value')
+        self.value = current_text
+        self.set_name(f"Data Node: {self.value}")
+
+    def property_changed(self, property_name):
+        """
+        Called when a node property changes. If the 'value' property changes,
+        update the internal value.
+        """
+        if property_name == 'value':
+            self.process_widget_event()
+
+    def update_stream(self):
+        """
+        Updates the node's behavior based on the connection states.
+        """
+        input_port = self.input(0)
+        output_port = self.output(0)
+
+        if input_port.connected_ports() and output_port.connected_ports():
+            # Both input and output are connected; act as passthrough.
+            self.set_property('value', '')
+            self.get_widget('value').setEnabled(False)
+            input_value = input_port.connected_ports()[0].node().get_property('value')
+            self.set_property('value', input_value)
+            output_port.send_data(input_value)
+        elif output_port.connected_ports():
+            # Only output is connected; allow manual input.
+            self.get_widget('value').setEnabled(True)
+            output_port.send_data(self.get_property('value'))
+        elif input_port.connected_ports():
+            # Only input is connected; display input value.
+            self.get_widget('value').setEnabled(False)
+            input_value = input_port.connected_ports()[0].node().get_property('value')
+            self.set_property('value', input_value)
+        else:
+            # Neither input nor output is connected; allow manual input.
+            self.get_widget('value').setEnabled(True)
+
+    def on_input_connected(self, input_port, output_port):
+        """
+        Called when an input port is connected.
+        """
+        self.update_stream()
+
+    def on_input_disconnected(self, input_port, output_port):
+        """
+        Called when an input port is disconnected.
+        """
+        self.update_stream()
+
+    def on_output_connected(self, output_port, input_port):
+        """
+        Called when an output port is connected.
+        """
+        self.update_stream()
+
+    def on_output_disconnected(self, output_port, input_port):
+        """
+        Called when an output port is disconnected.
+        """
+        self.update_stream()

Nodes/multiply_node.py

@@ -0,0 +1,36 @@
+from NodeGraphQt import BaseNode
+
+class MultiplyNode(BaseNode):
+    """
+    Multiply Node:
+      - Inputs: A, B
+      - Output: Result (A * B)
+    """
+    __identifier__ = 'io.github.nicole.multiply'
+    NODE_NAME = 'Multiply'
+
+    def __init__(self):
+        super(MultiplyNode, self).__init__()
+        self.values = {}  # Ensure values is a dictionary.
+        self.add_input('A')
+        self.add_input('B')
+        self.add_output('Result')
+        self.value = 0
+
+    def process_input(self):
+        inputs = {}
+        for port_name in ['A', 'B']:
+            port = self.input(port_name)
+            connected = port.connected_ports() if port is not None else []
+            if connected:
+                connected_port = connected[0]
+                parent_node = connected_port.node()
+                try:
+                    inputs[port_name] = float(getattr(parent_node, 'value', 0))
+                except (ValueError, TypeError):
+                    inputs[port_name] = 0.0
+            else:
+                inputs[port_name] = 0.0
+        result = inputs['A'] * inputs['B']
+        self.value = result
+        self.set_name(f"Multiply: {result}")

Nodes/subtract_node.py

@@ -0,0 +1,37 @@
+# Nodes/subtract_node.py
+
+from NodeGraphQt import BaseNode
+
+class SubtractNode(BaseNode):
+    """
+    Subtract Node:
+      - Inputs: A, B
+      - Output: Result (A - B)
+    """
+    __identifier__ = 'io.github.nicole.subtract'
+    NODE_NAME = 'Subtract'
+
+    def __init__(self):
+        super(SubtractNode, self).__init__()
+        self.add_input('A')
+        self.add_input('B')
+        self.add_output('Result')
+        self.value = 0
+
+    def process_input(self):
+        inputs = {}
+        for port_name in ['A', 'B']:
+            port = self.input(port_name)
+            connected = port.connected_ports() if port is not None else []
+            if connected:
+                connected_port = connected[0]
+                parent_node = connected_port.node()
+                try:
+                    inputs[port_name] = float(getattr(parent_node, 'value', 0))
+                except (ValueError, TypeError):
+                    inputs[port_name] = 0.0
+            else:
+                inputs[port_name] = 0.0
+        result = inputs['A'] - inputs['B']
+        self.value = result
+        self.set_name(f"Subtract: {result}")

flow_UI.py

@@ -1,239 +1,117 @@
 #!/usr/bin/env python3
 """
-Modified Flow UI Application:
+Main Application (flow_UI.py)
-- The character node is now named "Character Status" (display title).
+
-- DisplayValueNodes dynamically update their title to show the value from the connected output port.
+This file dynamically imports custom node classes from the 'Nodes' package,
-- Newly spawned DisplayValueNodes (via the context menu) follow the same dynamic behavior.
+registers them with NodeGraphQt, and sets up an empty graph.
-- Node creation strings now include the class name to match NodeGraphQt requirements.
+Nodes can be added dynamically via the graph’s right-click context menu,
+and a "Remove Selected Node" option is provided.
+A global update timer periodically calls process_input() on nodes.
+Additionally, this file patches QGraphicsScene.setSelectionArea to handle 
+selection behavior properly (so that multiple nodes can be selected).
 """
 
-import sys
+# --- Patch QGraphicsScene.setSelectionArea to handle selection arguments ---
-import requests
 from Qt import QtWidgets, QtCore, QtGui
+
+_original_setSelectionArea = QtWidgets.QGraphicsScene.setSelectionArea
+
+def _patched_setSelectionArea(self, painterPath, second_arg, *args, **kwargs):
+    try:
+        # Try calling the original method with the provided arguments.
+        return _original_setSelectionArea(self, painterPath, second_arg, *args, **kwargs)
+    except TypeError as e:
+        # If a TypeError is raised, assume the call was made with only a QPainterPath
+        # and an ItemSelectionMode, and patch it by supplying defaults.
+        # Default operation: ReplaceSelection, default transform: QTransform()
+        return _original_setSelectionArea(self, painterPath,
+                                          QtCore.Qt.ReplaceSelection,
+                                          second_arg,
+                                          QtGui.QTransform())
+
+# Monkey-patch the setSelectionArea method.
+QtWidgets.QGraphicsScene.setSelectionArea = _patched_setSelectionArea
+
+# --- End of patch section ---
+
+import sys
+import pkgutil
+import importlib
+import inspect
+from Qt import QtWidgets, QtCore
 from NodeGraphQt import NodeGraph, BaseNode
 
-# -----------------------------------------------------------------------------
+def import_nodes_from_folder(package_name):
-# Custom Port Painter Function for Character Status Node Ports (Semi-Transparent)
-# -----------------------------------------------------------------------------
-def get_draw_stat_port(color, border_color=None, alpha=127):
     """
-    Returns a custom port painter function that draws a circular port with a semi-transparent fill,
+    Dynamically import all modules from the given package and return a list of
-    then draws text (port label and current value) next to it.
+    classes that subclass BaseNode.
-
-    Args:
-        color (tuple): RGB tuple for the fill color.
-        border_color (tuple, optional): RGB tuple for the border color.
-            Defaults to the same as color if not provided.
-        alpha (int, optional): Alpha value (0-255) for transparency. Default is 127.
     """
-    if border_color is None:
+    imported_nodes = []
-        border_color = color
+    package = importlib.import_module(package_name)
+    for loader, module_name, is_pkg in pkgutil.walk_packages(package.__path__, package.__name__ + "."):
+        module = importlib.import_module(module_name)
+        for name, obj in inspect.getmembers(module, inspect.isclass):
+            if issubclass(obj, BaseNode) and obj.__module__ == module.__name__:
+                imported_nodes.append(obj)
+    return imported_nodes
 
-    def painter_func(painter, rect, info):
+def make_node_command(graph, nt):
-        painter.save()
-        # --- Section: Port Drawing ---
-        pen = QtGui.QPen(QtGui.QColor(*border_color))
-        pen.setWidth(1.8)
-        painter.setPen(pen)
-        # Create semi-transparent fill using the provided alpha value.
-        semi_transparent_color = QtGui.QColor(color[0], color[1], color[2], alpha)
-        painter.setBrush(semi_transparent_color)
-        painter.drawEllipse(rect)
-        # --- Section: Port Label and Value Drawing ---
-        port = info.get('port')
-        if port is not None:
-            node = port.node()  # Parent node (e.g. Character Status)
-            stat = port.name()  # Port label (e.g. "HP")
-            # Retrieve the current value from the node's values dict (if available)
-            value = node.values.get(stat, "N/A") if hasattr(node, 'values') else "N/A"
-            # Create a text rectangle to the right of the port.
-            text_rect = rect.adjusted(rect.width() + 4, 0, rect.width() + 70, 0)
-            painter.setPen(QtGui.QColor(0, 0, 0))
-            painter.drawText(text_rect, QtCore.Qt.AlignVCenter | QtCore.Qt.AlignLeft,
-                             f"{stat}: {value}")
-        painter.restore()
-    return painter_func
-
-# -----------------------------------------------------------------------------
-# Custom Node Classes
-# -----------------------------------------------------------------------------
-
-class CharacterStatusNode(BaseNode):
     """
-    Character Status Node
+    Given a NodeGraph instance and a node type string nt, return a command
-
+    function that creates a node of that type.
-    This node represents the character's current status.
-    It has no input ports and four output ports: "HP", "MP", "FP", and "EXP".
-    The current values are stored in self.values and are drawn using a custom painter.
     """
-    __identifier__ = 'io.github.nicole.status'
+    def command():
-    NODE_NAME = 'Character Status'
+        try:
+            node = graph.create_node(nt)
+            # (No need to force top-level if nodes are created as top-level by default.)
+        except Exception as e:
+            print(f"Error creating node of type {nt}: {e}")
+    return command
 
-    def __init__(self):
-        super(CharacterStatusNode, self).__init__()
-        # --- Section: Initialization of Stat Values and Ports ---
-        self.values = {"HP": "N/A", "MP": "N/A", "FP": "N/A", "EXP": "N/A"}
-        self.add_output("HP", painter_func=get_draw_stat_port((255, 0, 0)))         # Red for HP
-        self.add_output("MP", painter_func=get_draw_stat_port((0, 0, 255)))         # Blue for MP
-        self.add_output("FP", painter_func=get_draw_stat_port((0, 255, 0)))         # Green for FP
-        self.add_output("EXP", painter_func=get_draw_stat_port((127, 255, 212)))    # Aquamarine for EXP
-        # Set the node title to "Character Status"
-        self.set_name("Character Status")
-
-    def update_value(self, stat, value):
-        """
-        Update the value for a given stat.
-
-        Args:
-            stat (str): Stat name (e.g., "HP", "MP", etc.).
-            value (str): New value for the stat.
-        """
-        self.values[stat] = value
-
-class DisplayValueNode(BaseNode):
-    """
-    Display Value Node
-
-    This node displays a single input value.
-    Its title is updated to show the value from the connected output port.
-    If no port is connected, it displays "Display Value: No Input Configured".
-    """
-    __identifier__ = 'io.github.nicole.display'
-    NODE_NAME = 'Display Value Node'
-
-    def __init__(self):
-        super(DisplayValueNode, self).__init__()
-        # --- Section: Initialization and Default State ---
-        self.add_input("in")
-        self.add_output("out")
-        self.value = "No Input Configured"
-        self.update_display()
-
-    def update_display(self):
-        """
-        Update the node's title to reflect the current displayed value.
-        """
-        self.set_name(f"Display Value: {self.value}")
-
-    def process_input(self):
-        """
-        Processes the input connection:
-          - If connected, retrieve the value from the connected node's output port.
-          - If not, set the value to "No Input Configured".
-        """
-        input_port = self.input(0)
-        connections = input_port.connections() if input_port is not None else []
-        if connections:
-            # --- Section: Processing Connected Input ---
-            connection = connections[0]
-            out_port = connection.out_port()
-            if out_port:
-                parent_node = out_port.node()
-                port_name = out_port.name()
-                self.value = parent_node.values.get(port_name, "N/A")
-            else:
-                self.value = "No Input Configured"
-        else:
-            # --- Section: No Connection Found ---
-            self.value = "No Input Configured"
-        self.update_display()
-
-# -----------------------------------------------------------------------------
-# API Polling Functions
-# -----------------------------------------------------------------------------
-def poll_api():
-    """
-    Polls the Flask API for JSON data.
-    Expected JSON format: {"hp": "150/150", "mp": "75/100", "fp": "20/20", "exp": "10.0000"}
-    
-    Returns:
-        dict: The JSON data, or None on error.
-    """
-    api_url = "http://127.0.0.1:5000/data"
-    try:
-        response = requests.get(api_url, timeout=1)
-        if response.status_code == 200:
-            return response.json()
-        else:
-            print("API error: status code", response.status_code)
-    except Exception as e:
-        print("Error polling API:", e)
-    return None
-
-def update_nodes(graph, character_status_node):
-    """
-    Polls the API, updates the Character Status node's values,
-    and then updates all DisplayValueNodes in the graph.
-
-    Args:
-        graph (NodeGraph): The NodeGraphQt graph instance.
-        character_status_node (CharacterStatusNode): The character status node.
-    """
-    data = poll_api()
-    if data is None:
-        return
-    # --- Section: Update Character Status Node with Latest Data ---
-    character_status_node.update_value("HP", data.get('hp', "N/A"))
-    character_status_node.update_value("MP", data.get('mp', "N/A"))
-    character_status_node.update_value("FP", data.get('fp', "N/A"))
-    character_status_node.update_value("EXP", data.get('exp', "N/A"))
-    
-    # --- Section: Update All DisplayValueNodes ---
-    for node in graph.all_nodes():
-        if hasattr(node, "process_input"):
-            node.process_input()
-
-# -----------------------------------------------------------------------------
-# Context Menu: Add DisplayValueNode Command
-# -----------------------------------------------------------------------------
-def add_display_node(graph):
-    """
-    Adds a new DisplayValueNode to the graph at a default position.
-
-    Args:
-        graph (NodeGraph): The NodeGraphQt graph instance.
-    """
-    # Use NodeGraphQt's create_node() with the correct node type string.
-    new_node = graph.create_node('io.github.nicole.display.DisplayValueNode',
-                                 name='Display Value Node', pos=[400, 300])
-    print("Added a new Display Value node.")
-
-# -----------------------------------------------------------------------------
-# Main Application
-# -----------------------------------------------------------------------------
 if __name__ == '__main__':
     app = QtWidgets.QApplication([])
 
-    # --- Section: Setup NodeGraphQT ---
+    # Create the NodeGraph controller.
     graph = NodeGraph()
-    graph.widget.setWindowTitle("Project Borealis - Flyff Information Overlay")
+    graph.widget.setWindowTitle("Modular Nodes Demo")
-    # Register nodes using their classes.
-    graph.register_node(CharacterStatusNode)
-    graph.register_node(DisplayValueNode)
 
-    # --- Section: Setup Context Menu for Adding DisplayValueNodes ---
+    # Dynamically import custom node classes from the 'Nodes' package.
+    custom_nodes = import_nodes_from_folder('Nodes')
+    for node_class in custom_nodes:
+        graph.register_node(node_class)
+
+    # Add context menu commands for dynamic node creation.
     graph_context_menu = graph.get_context_menu('graph')
+    for node_class in custom_nodes:
+        # Build the node type string: "<__identifier__>.<ClassName>"
+        node_type = f"{node_class.__identifier__}.{node_class.__name__}"
+        node_name = node_class.NODE_NAME
+        graph_context_menu.add_command(
+            f"Add {node_name}",
+            make_node_command(graph, node_type)
+        )
+
+    # Add a "Remove Selected Node" command to the graph context menu.
     graph_context_menu.add_command(
-        'Add Display Value Node',
+        "Remove Selected Node",
-        lambda: add_display_node(graph),
+        lambda: [graph.remove_node(node) for node in graph.selected_nodes()] if graph.selected_nodes() else None
-        shortcut='Ctrl+D'
     )
 
-    # --- Section: Create and Connect Nodes ---
+    # Resize and show the graph widget.
-    # Create the Character Status node.
+    graph.widget.resize(1200, 800)
-    character_status_node = graph.create_node('io.github.nicole.status.CharacterStatusNode',
+    graph.widget.show()
-                                                name='Character Status', pos=[0, 0])
-    # Create a Display Value node.
-    display_node = graph.create_node('io.github.nicole.display.DisplayValueNode',
-                                     name='Display Value Node', pos=[500, 200])
-    # Connect the EXP output (index 3) from the Character Status node to the display node's input.
-    character_status_node.set_output(3, display_node.input(0))
 
-    # --- Section: Timer Setup for API Polling and Node Updates ---
+    # Global update timer:
+    #  - Call process_input() on every node that implements it.
+    def global_update():
+        for node in graph.all_nodes():
+            if hasattr(node, "process_input"):
+                try:
+                    node.process_input()
+                except Exception as e:
+                    print("Error updating node", node, e)
     timer = QtCore.QTimer()
-    timer.timeout.connect(lambda: update_nodes(graph, character_status_node))
+    timer.timeout.connect(global_update)
     timer.start(500)
 
-    graph.widget.resize(1000, 600)
+    sys.exit(app.exec())
-    graph.widget.show()
-    app.exec_()