refactor: 实现第二批 Manager（LogManager/ConfigManager/DialogService/TrainingModeManager）
- log_manager.py: 日志区+进度条+清空按钮封装，内部订阅 LogMessage/ProgressUpdate
- config_manager.py: 配置读写（new/load/save/get_current_config），懒加载安全（未加载面板返回 {}）
- dialog_service.py: 纯展示弹窗封装（Pipeline状态/关于/AI设置）
- training_mode_manager.py: 训练模式切换，发布 TrainingModeChanged 事件
- water_quality_gui_v2.py: 725→605 行，菜单回调全部委托给 Manager，移除 _create_log_panel/_create_progress_panel/_on_log_message/_on_progress_update
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src/gui/core/log_manager.py
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src/gui/core/log_manager.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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日志与进度管理器
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将主窗口中的日志区（QTextEdit）、进度条（QProgressBar）和"清空日志"按钮
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的 UI 创建与控制逻辑完全封装。
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职责：
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- create_log_panel() → 返回组装好的 QWidget（日志 + 进度条）
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- 内部订阅 LogMessage / ProgressUpdate 事件，自动更新 UI
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- 主窗口无需再关心日志/进度的状态同步
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订阅的事件：
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LogMessage → {message, level} 写入日志区
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ProgressUpdate → {percentage, message} 更新进度条
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"""
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from datetime import datetime
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from PyQt5.QtCore import QObject
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from PyQt5.QtGui import QTextCursor
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from PyQt5.QtWidgets import (
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QWidget, QVBoxLayout, QHBoxLayout,
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QGroupBox, QTextEdit, QProgressBar, QPushButton,
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)
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from src.gui.core.event_bus import global_event_bus
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class LogManager(QObject):
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"""日志与进度管理器。
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用法::
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log_mgr = LogManager(parent=self)
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log_panel = log_mgr.create_log_panel()
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layout.addWidget(log_panel)
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# 之后所有日志/进度更新由 EventBus 自动驱动，无需手动操作
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"""
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def __init__(self, parent=None):
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super().__init__(parent)
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self._log_text: QTextEdit = None
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self._progress_bar: QProgressBar = None
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# 订阅事件
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global_event_bus.subscribe('LogMessage', self._on_log_message)
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global_event_bus.subscribe('ProgressUpdate', self._on_progress_update)
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# ═══════════════════════════════════════════════════════════
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# 公开 API
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# ═══════════════════════════════════════════════════════════
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def create_log_panel(self) -> QWidget:
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"""创建并返回日志+进度面板的组装 Widget。
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Returns:
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QWidget: 包含日志区（QGroupBox）和进度条（QGroupBox）的垂直布局容器
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"""
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from src.gui.styles import ModernStylesheet
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container = QWidget()
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layout = QVBoxLayout()
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layout.setContentsMargins(0, 0, 0, 0)
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layout.setSpacing(10)
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# ── 日志区 ──
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log_group = QGroupBox("执行日志")
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log_group.setStyleSheet(f"""
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QGroupBox {{
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background-color: {ModernStylesheet.COLORS['panel_bg']};
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border: 1px solid {ModernStylesheet.COLORS['border_light']};
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border-radius: 5px; margin-top: 8px; padding-top: 15px;
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padding-left: 9px; padding-right: 9px; padding-bottom: 9px;
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}}
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QGroupBox::title {{
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subcontrol-origin: margin; subcontrol-position: top left;
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padding: 0 5px; font-weight: bold;
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color: {ModernStylesheet.COLORS['text_primary']};
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}}
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""")
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log_layout = QVBoxLayout()
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log_layout.setContentsMargins(5, 5, 5, 5)
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self._log_text = QTextEdit()
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self._log_text.setReadOnly(True)
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self._log_text.setMaximumHeight(200)
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self._log_text.setStyleSheet(f"""
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QTextEdit {{
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background-color: {ModernStylesheet.COLORS['panel_bg']};
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color: {ModernStylesheet.COLORS['text_primary']};
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border: 1px solid {ModernStylesheet.COLORS['border']};
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border-radius: 4px; padding: 5px;
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font-family: 'Courier New', monospace; font-size: 10px;
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}}
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""")
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log_layout.addWidget(self._log_text)
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clear_btn = QPushButton("清空日志")
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clear_btn.setMaximumWidth(100)
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clear_btn.setStyleSheet(ModernStylesheet.get_button_stylesheet('normal'))
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clear_btn.clicked.connect(self.clear_log)
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btn_row = QHBoxLayout()
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btn_row.addWidget(clear_btn)
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btn_row.addStretch()
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log_layout.addLayout(btn_row)
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log_group.setLayout(log_layout)
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layout.addWidget(log_group, 1)
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# ── 进度条 ──
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progress_group = QGroupBox("执行进度")
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progress_group.setStyleSheet(f"""
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QGroupBox {{
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background-color: {ModernStylesheet.COLORS['panel_bg']};
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border: 1px solid {ModernStylesheet.COLORS['border_light']};
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border-radius: 5px; margin-top: 8px; padding-top: 10px;
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padding-left: 9px; padding-right: 9px; padding-bottom: 9px;
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}}
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QGroupBox::title {{
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subcontrol-origin: margin; subcontrol-position: top left;
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padding: 0 5px; font-weight: bold;
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color: {ModernStylesheet.COLORS['text_primary']};
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}}
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""")
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progress_layout = QVBoxLayout()
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progress_layout.setContentsMargins(5, 5, 5, 5)
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self._progress_bar = QProgressBar()
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self._progress_bar.setValue(0)
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self._progress_bar.setStyleSheet(f"""
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QProgressBar {{
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background-color: {ModernStylesheet.COLORS['panel_bg']};
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border: 1px solid {ModernStylesheet.COLORS['border']};
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border-radius: 4px; padding: 2px; text-align: center; height: 20px;
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}}
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QProgressBar::chunk {{
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background-color: {ModernStylesheet.COLORS['success']}; border-radius: 3px;
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}}
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""")
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progress_layout.addWidget(self._progress_bar)
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progress_group.setLayout(progress_layout)
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layout.addWidget(progress_group, 0)
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container.setLayout(layout)
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return container
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def clear_log(self):
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"""清空日志区。"""
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if self._log_text is not None:
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self._log_text.clear()
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@property
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def progress_bar(self) -> QProgressBar:
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return self._progress_bar
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@property
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def log_text(self) -> QTextEdit:
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return self._log_text
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# ═══════════════════════════════════════════════════════════
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# EventBus 订阅回调
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# ═══════════════════════════════════════════════════════════
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def _on_log_message(self, data: dict):
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"""LogMessage 事件回调：写入日志区。"""
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if self._log_text is None:
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return
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message = data.get('message', '')
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level = data.get('level', 'info')
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timestamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
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color_map = {'error': 'red', 'warning': 'orange'}
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color = color_map.get(level, 'black')
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formatted = f'<span style="color: {color};">[{timestamp}] {message}</span>'
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self._log_text.append(formatted)
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cursor = self._log_text.textCursor()
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cursor.movePosition(QTextCursor.End)
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self._log_text.setTextCursor(cursor)
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def _on_progress_update(self, data: dict):
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"""ProgressUpdate 事件回调：更新进度条。"""
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if self._progress_bar is None:
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return
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percentage = data.get('percentage', 0)
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self._progress_bar.setValue(percentage)
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