MCP Memory Server

""" Notification Panel Widget for AutoGen UI Displays in-app notifications with real-time updates and user interaction. """ import logging from typing import List from PySide6.QtWidgets import ( QWidget, QVBoxLayout, QScrollArea, QLabel, QPushButton, QHBoxLayout, ) from PySide6.QtCore import Qt from PySide6.QtGui import QFont from ..services.notification_service import ( NotificationService, Notification, NotificationWidget, ) logger = logging.getLogger(__name__) class NotificationPanel(QWidget): """ Panel widget for displaying in-app notifications Shows notifications in a scrollable list with dismiss capabilities. """ def __init__(self, notification_service: NotificationService): super().__init__() self.notification_service = notification_service self.notification_widgets: List[NotificationWidget] = [] self.setup_ui() self.connect_signals() def setup_ui(self): """Set up the notification panel UI""" layout = QVBoxLayout(self) layout.setContentsMargins(8, 8, 8, 8) # Header with title and clear all button header_layout = QHBoxLayout() title_label = QLabel("Notifications") title_font = QFont() title_font.setBold(True) title_font.setPointSize(12) title_label.setFont(title_font) self.clear_all_btn = QPushButton("Clear All") self.clear_all_btn.clicked.connect(self.clear_all_notifications) self.clear_all_btn.setMaximumWidth(80) header_layout.addWidget(title_label) header_layout.addStretch() header_layout.addWidget(self.clear_all_btn) layout.addLayout(header_layout) # Scrollable notification area self.scroll_area = QScrollArea() self.scroll_area.setWidgetResizable(True) self.scroll_area.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff) self.scroll_area.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) # Container widget for notifications self.notification_container = QWidget() self.notification_layout = QVBoxLayout(self.notification_container) self.notification_layout.setContentsMargins(0, 0, 0, 0) self.notification_layout.setSpacing(4) # Add stretch to push notifications to top self.notification_layout.addStretch() self.scroll_area.setWidget(self.notification_container) layout.addWidget(self.scroll_area) # Empty state message self.empty_label = QLabel("No notifications") self.empty_label.setAlignment(Qt.AlignCenter) self.empty_label.setStyleSheet("color: gray; font-style: italic;") layout.addWidget(self.empty_label) self.update_empty_state() def connect_signals(self): """Connect notification service signals""" self.notification_service.notification_added.connect(self.add_notification) self.notification_service.notification_removed.connect(self.remove_notification) def add_notification(self, notification: Notification): """Add a new notification to the panel""" # Create notification widget notification_widget = NotificationWidget(notification) notification_widget.dismissed.connect(self.on_notification_dismissed) # Insert at the beginning (newest first) self.notification_layout.insertWidget(0, notification_widget) self.notification_widgets.insert(0, notification_widget) self.update_empty_state() # Scroll to top to show new notification self.scroll_area.verticalScrollBar().setValue(0) logger.info(f"Added notification: {notification.title}") def remove_notification(self, notification_id: str): """Remove a notification from the panel""" for i, widget in enumerate(self.notification_widgets): if widget.notification.id == notification_id: # Remove from layout and widget list self.notification_layout.removeWidget(widget) widget.deleteLater() del self.notification_widgets[i] break self.update_empty_state() logger.info(f"Removed notification: {notification_id}") def on_notification_dismissed(self, notification_id: str): """Handle notification dismissal""" self.notification_service.dismiss_notification(notification_id) def clear_all_notifications(self): """Clear all notifications""" self.notification_service.clear_all_notifications() def update_empty_state(self): """Update empty state visibility""" has_notifications = len(self.notification_widgets) > 0 self.empty_label.setVisible(not has_notifications) self.clear_all_btn.setEnabled(has_notifications) def get_notification_count(self) -> int: """Get current notification count""" return len(self.notification_widgets)