from PySide6.QtWidgets import ( QWidget, QLabel, QPushButton, QVBoxLayout, QHBoxLayout, QFormLayout, QSpinBox, QGroupBox, QFrame ) from PySide6.QtCore import Qt, Signal, QTimer from PySide6.QtGui import QFont from datetime import datetime, timedelta from utils.electricity_monitor import ElectricityMonitor from dao.electricity_dao import ElectricityDAO import logging class ElectricitySettingsUI(QWidget): """电力监控设置UI组件""" # 定义信号 settings_changed = Signal() def __init__(self, parent=None): super().__init__(parent) self.parent = parent self.electricity_monitor = ElectricityMonitor.get_instance() self.electricity_dao = ElectricityDAO() # 确保电力消耗表已创建 self.electricity_dao.create_table_if_not_exists() self.init_ui() # 创建定时器，用于更新UI self.update_timer = QTimer(self) self.update_timer.timeout.connect(self.update_status) self.update_timer.start(1000) # 每秒更新一次 # 初始更新状态 self.update_status() def init_ui(self): """初始化UI""" # 设置字体 self.title_font = QFont("微软雅黑", 14, QFont.Bold) self.normal_font = QFont("微软雅黑", 10) self.small_font = QFont("微软雅黑", 9) # 创建主布局 main_layout = QVBoxLayout(self) main_layout.setContentsMargins(20, 20, 20, 20) main_layout.setSpacing(15) # 创建标题 title_label = QLabel("电力监控设置") title_label.setFont(self.title_font) title_label.setAlignment(Qt.AlignCenter) title_label.setStyleSheet("color: #1a237e; margin-bottom: 10px;") main_layout.addWidget(title_label) # 创建状态组 status_group = QGroupBox("监控状态") status_group.setFont(self.normal_font) status_layout = QFormLayout() # 监控状态 self.status_label = QLabel("未知") self.status_label.setFont(self.normal_font) status_layout.addRow("监控状态:", self.status_label) # 当前电量 self.electricity_label = QLabel("--") self.electricity_label.setFont(self.normal_font) status_layout.addRow("当前电量:", self.electricity_label) # 上次监听时间 self.last_time_label = QLabel("--") self.last_time_label.setFont(self.normal_font) status_layout.addRow("上次监听时间:", self.last_time_label) # 下次监听时间 self.next_time_label = QLabel("--") self.next_time_label.setFont(self.normal_font) status_layout.addRow("下次监听时间:", self.next_time_label) status_group.setLayout(status_layout) main_layout.addWidget(status_group) # 创建设置组 settings_group = QGroupBox("监控设置") settings_group.setFont(self.normal_font) settings_layout = QFormLayout() # 监听间隔 self.interval_spinbox = QSpinBox() self.interval_spinbox.setFont(self.normal_font) self.interval_spinbox.setRange(1, 60) # 1-60分钟 self.interval_spinbox.setValue(self.electricity_monitor.interval_minutes) # 使用当前设置的值 self.interval_spinbox.setSuffix(" 分钟") self.interval_spinbox.valueChanged.connect(self.on_interval_changed) settings_layout.addRow("监听间隔:", self.interval_spinbox) settings_group.setLayout(settings_layout) main_layout.addWidget(settings_group) # 创建按钮组 button_layout = QHBoxLayout() button_layout.setSpacing(20) # 开始监听按钮 self.start_button = QPushButton("开始监听") self.start_button.setFont(self.normal_font) self.start_button.setMinimumHeight(40) self.start_button.setStyleSheet("background-color: #4CAF50; color: white;") self.start_button.clicked.connect(self.start_monitoring) button_layout.addWidget(self.start_button) # 暂停监听按钮 self.stop_button = QPushButton("暂停监听") self.stop_button.setFont(self.normal_font) self.stop_button.setMinimumHeight(40) self.stop_button.setStyleSheet("background-color: #F44336; color: white;") self.stop_button.clicked.connect(self.stop_monitoring) button_layout.addWidget(self.stop_button) main_layout.addLayout(button_layout) # 添加分隔线 separator = QFrame() separator.setFrameShape(QFrame.HLine) separator.setFrameShadow(QFrame.Sunken) main_layout.addWidget(separator) # 添加历史数据标签 history_label = QLabel("历史数据") history_label.setFont(self.title_font) history_label.setAlignment(Qt.AlignCenter) history_label.setStyleSheet("color: #1a237e; margin: 10px 0;") main_layout.addWidget(history_label) # 占位符，用于未来扩展 placeholder = QLabel("历史数据功能将在未来版本中提供") placeholder.setFont(self.normal_font) placeholder.setAlignment(Qt.AlignCenter) placeholder.setStyleSheet("color: #888888; padding: 20px;") main_layout.addWidget(placeholder) # 添加弹性空间 main_layout.addStretch(1) def update_status(self): """更新状态显示""" try: # 检查监控器状态 is_monitoring = self.electricity_monitor.is_monitoring() # 更新状态标签 if is_monitoring: self.status_label.setText("正在监听") self.status_label.setStyleSheet("color: green; font-weight: bold;") self.start_button.setEnabled(False) self.stop_button.setEnabled(True) else: self.status_label.setText("已暂停") self.status_label.setStyleSheet("color: red; font-weight: bold;") self.start_button.setEnabled(True) self.stop_button.setEnabled(False) # 获取最新电力数据 latest_data = self.electricity_dao.get_latest_electricity_data() if latest_data: self.electricity_label.setText(str(latest_data['electricity_number'])) self.last_time_label.setText(latest_data['sync_time']) # 计算下次监听时间 if is_monitoring: next_time = self.electricity_monitor.get_next_read_time() if next_time: self.next_time_label.setText(next_time.strftime('%Y-%m-%d %H:%M:%S')) else: self.next_time_label.setText("计算中...") else: self.next_time_label.setText("监听已暂停") else: self.electricity_label.setText("--") self.last_time_label.setText("--") if is_monitoring: self.next_time_label.setText("等待首次读取...") else: self.next_time_label.setText("监听已暂停") except Exception as e: logging.error(f"更新电力监控状态时发生错误: {str(e)}") def on_interval_changed(self, value): """监听间隔变更处理 Args: value: 新的间隔值（分钟） """ try: # 更新监控器间隔 self.electricity_monitor.set_interval(value) # 发出设置变更信号 self.settings_changed.emit() except Exception as e: logging.error(f"设置电力监控间隔时发生错误: {str(e)}") def start_monitoring(self): """开始监听""" try: # 启动电力监控器 self.electricity_monitor.start() # 更新UI self.update_status() # 发出设置变更信号 self.settings_changed.emit() except Exception as e: logging.error(f"启动电力监控时发生错误: {str(e)}") def stop_monitoring(self): """暂停监听""" try: # 停止电力监控器 self.electricity_monitor.stop() # 更新UI self.update_status() # 发出设置变更信号 self.settings_changed.emit() except Exception as e: logging.error(f"停止电力监控时发生错误: {str(e)}")