MainWindow.xaml

<Window x:Class="WpfApp1.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp1"
        mc:Ignorable="d"
        Title="校园广播系统" Height="600" Width="1200" MinWidth="1000" MinHeight="500">
    <Grid Margin="10">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <!-- 菜单栏 -->
        <Menu Grid.Row="0" DataContext="{Binding RelativeSource={RelativeSource AncestorType=Window}}">
            <MenuItem Header="工具(_T)">
                <MenuItem Header="批量音量…" Click="BatchVolumeButton_Click"
                          IsEnabled="{Binding CanUseBulkAndImportControls}"
                          ToolTip="将输入的音量应用到当前选中的广播项。"/>
                <MenuItem Header="解析文件夹导入…" Click="ImportFolderButton_Click"
                          IsEnabled="{Binding CanUseBulkAndImportControls}"/>
                <MenuItem Header="方案体检" Click="HealthCheckButton_Click"
                          IsEnabled="{Binding CanRunHealthCheck}"/>
                <MenuItem Header="播放日志…" Click="LogViewerButton_Click"/>
                <Separator/>
                <MenuItem Header="恢复全部声音" Click="RestoreAllSoundsButton_Click"
                          IsEnabled="{Binding CanUseOutputSettings}"
                          ToolTip="解除所有输出设备上全部程序的静音。&#x0a;已退出的程序其静音状态被 Windows 记住，需在该程序运行时再次点击本按钮。"/>
            </MenuItem>
            <MenuItem Header="帮助(_H)">
                <MenuItem Header="输出模式说明…" Click="OutputModeHelpButton_Click"/>
            </MenuItem>
        </Menu>

        <!-- 标题 -->
        <StackPanel Grid.Row="1" Margin="0,0,0,10">
            <TextBlock Text="校园广播系统" FontSize="24" FontWeight="Bold"/>
            <Border x:Name="ConfigReadOnlyBanner" Visibility="Collapsed" Margin="0,6,0,0"
                    Background="#FFF3CD" BorderBrush="#E0A800" BorderThickness="1" Padding="8">
                <TextBlock x:Name="ConfigReadOnlyBannerTextBlock" TextWrapping="Wrap" Foreground="#7A5C00"/>
            </Border>
        </StackPanel>

        <!-- 主要内容区域 -->
        <Grid Grid.Row="2">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="250"/>
                <ColumnDefinition Width="Auto"/>
                <ColumnDefinition Width="*"/>
            </Grid.ColumnDefinitions>

            <!-- 左侧方案列表 -->
            <Grid Grid.Column="0">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="*"/>
                    <RowDefinition Height="Auto"/>
                </Grid.RowDefinitions>

                <!-- 方案标题 -->
                <DockPanel Grid.Row="0" LastChildFill="True" Margin="0,0,0,10">
                    <TextBlock Text="广播方案" FontSize="16" FontWeight="Bold" VerticalAlignment="Center"/>
                    <StackPanel DockPanel.Dock="Right" Orientation="Horizontal" HorizontalAlignment="Right">
                        <Button x:Name="ManageProfilesButton" Content="管理" Width="60"
                                IsEnabled="{Binding CanManageProfiles, RelativeSource={RelativeSource AncestorType=Window}}"
                                Click="ManageProfilesButton_Click"/>
                    </StackPanel>
                </DockPanel>

                <!-- 方案列表 -->
                <ListBox Grid.Row="1" Name="ProfilesListBox" Margin="0,0,10,0" 
                         MouseDoubleClick="ProfilesListBox_MouseDoubleClick">
                    <ListBox.ItemTemplate>
                        <DataTemplate>
                            <TextBlock Text="{Binding Name}" FontWeight="{Binding IsActive, Converter={StaticResource BooleanToFontWeightConverter}}">
                                <TextBlock.Style>
                                    <Style TargetType="TextBlock">
                                        <Style.Triggers>
                                            <DataTrigger Binding="{Binding IsActive}" Value="True">
                                                <Setter Property="FontWeight" Value="Bold"/>
                                                <Setter Property="Foreground" Value="Blue"/>
                                            </DataTrigger>
                                        </Style.Triggers>
                                    </Style>
                                </TextBlock.Style>
                            </TextBlock>
                        </DataTemplate>
                    </ListBox.ItemTemplate>
                </ListBox>

                <!-- 当前方案提示 -->
                <TextBlock Grid.Row="2" Name="CurrentProfileTextBlock" Text="当前方案: 默认方案" Margin="0,5,0,0"/>
            </Grid>

            <!-- 中间分隔符和箭头 -->
            <Grid Grid.Column="1" Width="50">
                <Line X1="0" Y1="0" X2="0" Y2="1" Stroke="#CCCCCC" Stretch="Fill" StrokeThickness="1" Margin="25,10,25,10"/>
                <TextBlock Text="▶" FontSize="24" VerticalAlignment="Center" HorizontalAlignment="Center" Foreground="#666666"/>
            </Grid>

            <!-- 右侧广播列表 -->
            <Grid Grid.Column="2">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="*"/>
                </Grid.RowDefinitions>

                <!-- 工具栏 -->
                <StackPanel Grid.Row="0" Orientation="Vertical" Margin="0,0,0,10">
                    <!-- 第一行：高频操作 -->
                    <DockPanel LastChildFill="False" Margin="0,0,0,8">
                        <Button x:Name="AddButton" Content="添加" Width="70" Margin="0,0,6,0" DockPanel.Dock="Left"
                                IsEnabled="{Binding CanEditBroadcastItems, RelativeSource={RelativeSource AncestorType=Window}}"
                                Click="AddButton_Click"/>
                        <Button x:Name="EditButton" Content="编辑" Width="70" Margin="0,0,6,0" DockPanel.Dock="Left"
                                IsEnabled="{Binding CanEditBroadcastItems, RelativeSource={RelativeSource AncestorType=Window}}"
                                Click="EditButton_Click"/>
                        <Button x:Name="DeleteButton" Content="删除" Width="70" Margin="0,0,10,0" DockPanel.Dock="Left"
                                IsEnabled="{Binding CanEditBroadcastItems, RelativeSource={RelativeSource AncestorType=Window}}"
                                Click="DeleteButton_Click"/>
                        <Border Width="1" Height="24" Background="#DDDDDD" Margin="0,0,10,0" DockPanel.Dock="Left"/>

                        <Button x:Name="TestPlayButton" Content="测试播放" Width="80" Margin="0,0,6,0" DockPanel.Dock="Left"
                                IsEnabled="{Binding CanUseAuditionControls, RelativeSource={RelativeSource AncestorType=Window}}"
                                Click="TestPlayButton_Click"/>
                        <Button x:Name="SequentialTestButton" Content="连续测试" Width="80" Margin="0,0,10,0" DockPanel.Dock="Left" Click="SequentialTestButton_Click"
                                IsEnabled="{Binding CanUseAuditionControls, RelativeSource={RelativeSource AncestorType=Window}}"
                                ToolTip="从当前选中项开始，按列表顺序测试到当前方案结束。"/>
                        <Border Width="1" Height="24" Background="#DDDDDD" Margin="0,0,10,0" DockPanel.Dock="Left"/>

                        <ToggleButton x:Name="AttendantLockToggle" Content="值守锁定" Width="86" DockPanel.Dock="Right"
                                      IsChecked="{Binding IsAttendantLocked, RelativeSource={RelativeSource AncestorType=Window}, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"/>
                    </DockPanel>

                    <!-- 第二行：输出设置 -->
                    <StackPanel Orientation="Horizontal" Margin="0,0,0,4">
                        <TextBlock Text="输出:" VerticalAlignment="Center" Margin="0,0,4,0"/>
                        <ComboBox x:Name="OutputModeComboBox" Width="100" Margin="0,0,4,0"
                                  IsEnabled="{Binding CanUseOutputSettings, RelativeSource={RelativeSource AncestorType=Window}}"
                                  SelectionChanged="OutputModeComboBox_SelectionChanged">
                            <ComboBox.ItemContainerStyle>
                                <Style TargetType="ComboBoxItem">
                                    <Setter Property="ToolTip" Value="{Binding Description}"/>
                                </Style>
                            </ComboBox.ItemContainerStyle>
                        </ComboBox>
                        <Button x:Name="OutputModeHelpButton" Content="?" Width="22" Margin="0,0,10,0"
                                AutomationProperties.Name="输出模式说明"
                                ToolTip="查看三种输出模式的区别与推荐场景"
                                Click="OutputModeHelpButton_Click"/>

                        <TextBlock Text="设备:" VerticalAlignment="Center" Margin="0,0,4,0"/>
                        <ComboBox x:Name="AudioDeviceComboBox" Width="190" Margin="0,0,10,0"
                                  IsEnabled="{Binding CanUseOutputSettings, RelativeSource={RelativeSource AncestorType=Window}}"
                                  SelectionChanged="AudioDeviceComboBox_SelectionChanged">
                        </ComboBox>

                        <CheckBox x:Name="MuteOthersCheckBox" Content="独占广播" VerticalAlignment="Center"
                                  Margin="0,0,4,0"
                                  IsEnabled="{Binding CanUseOutputSettings, RelativeSource={RelativeSource AncestorType=Window}}"
                                  Checked="MuteOthersCheckBox_Checked" Unchecked="MuteOthersCheckBox_Unchecked"
                                  ToolTip="开启后：立即静音当前所有其他程序，并自动静音之后新启动的程序，每2秒兜底重扫一次。&#x0a;本程序退出后其他程序仍保持静音（防止误播），需要恢复时点「恢复全部声音」。&#x0a;注意：无法拦截 WASAPI 独占模式/ASIO 的专业音频软件；从未出现过的新程序首次发声瞬间可能漏出极短声音，请配合设备隔离使用。"/>
                        <Button x:Name="MuteOthersHelpButton" Content="?" Width="22"
                                AutomationProperties.Name="独占广播说明"
                                ToolTip="查看独占广播与输出模式的区别"
                                Click="OutputModeHelpButton_Click"/>
                    </StackPanel>

                    <!-- 第三行：设备隔离警告 -->
                    <TextBlock x:Name="DeviceIsolationHintTextBlock" HorizontalAlignment="Left"
                               ToolTip="物理隔离方法：在 Windows 声音设置中把「系统默认输出」设为一个不接功放的设备（如主板声卡或虚拟声卡），&#x0a;并在上方「输出设备」中选择接功放的声卡。这样其他程序的声音默认流向空设备，从物理上无法进入广播功放。"/>
                </StackPanel>

                <!-- 广播列表 -->
                <DataGrid Grid.Row="1" AutoGenerateColumns="False" Name="BroadcastDataGrid"
                          AlternatingRowBackground="AliceBlue" CanUserAddRows="False"
                          FrozenColumnCount="2" MouseDoubleClick="BroadcastDataGrid_MouseDoubleClick"
                          IsReadOnly="True" SelectionMode="Extended" SelectionUnit="FullRow">
                    <DataGrid.ContextMenu>
                        <ContextMenu>
                            <MenuItem Header="选中项全部启用" Click="EnableAllDays_Click"/>
                            <MenuItem Header="选中项全部禁用" Click="DisableAllDays_Click"/>
                            <Separator/>
                            <MenuItem Header="批量勾选周几">
                                <MenuItem Header="周一" Tag="Monday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周二" Tag="Tuesday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周三" Tag="Wednesday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周四" Tag="Thursday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周五" Tag="Friday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周六" Tag="Saturday:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周日" Tag="Sunday:true" Click="BatchSetDay_Click"/>
                                <Separator/>
                                <MenuItem Header="工作日" Tag="Weekdays:true" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周末" Tag="Weekend:true" Click="BatchSetDay_Click"/>
                            </MenuItem>
                            <MenuItem Header="批量取消周几">
                                <MenuItem Header="周一" Tag="Monday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周二" Tag="Tuesday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周三" Tag="Wednesday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周四" Tag="Thursday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周五" Tag="Friday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周六" Tag="Saturday:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周日" Tag="Sunday:false" Click="BatchSetDay_Click"/>
                                <Separator/>
                                <MenuItem Header="工作日" Tag="Weekdays:false" Click="BatchSetDay_Click"/>
                                <MenuItem Header="周末" Tag="Weekend:false" Click="BatchSetDay_Click"/>
                            </MenuItem>
                        </ContextMenu>
                    </DataGrid.ContextMenu>
                    <DataGrid.Columns>
                        <!-- 时间设置（固定在最左侧） -->
                        <DataGridTextColumn Header="时间" Binding="{Binding TimeString}" Width="80" IsReadOnly="True"/>

                        <!-- 描述（固定在第二左侧） -->
                        <DataGridTextColumn Header="描述" Binding="{Binding Description}" Width="150" IsReadOnly="True"/>

                        <!-- 周选择 -->
                        <DataGridTemplateColumn Header="周一" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Monday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周二" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Tuesday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周三" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Wednesday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周四" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Thursday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周五" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Friday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周六" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Saturday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>
                        <DataGridTemplateColumn Header="周日" Width="60" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <CheckBox IsChecked="{Binding Sunday, UpdateSourceTrigger=PropertyChanged}" 
                                              IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                              HorizontalAlignment="Center"/>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>

                        <!-- 文件路径 -->
                        <DataGridTextColumn Header="文件路径" Binding="{Binding FilePath}" Width="200" IsReadOnly="True"/>

                        <!-- 音频时长 -->
                        <DataGridTextColumn Header="时长" Binding="{Binding Duration}" Width="80" IsReadOnly="True"/>

                        <!-- 循环次数 -->
                        <DataGridTextColumn Header="循环次数" Binding="{Binding LoopCount}" Width="80" IsReadOnly="True"/>

                        <!-- 音量 -->
                        <DataGridTemplateColumn Header="音量" Width="100" IsReadOnly="False">
                            <DataGridTemplateColumn.CellTemplate>
                                <DataTemplate>
                                    <Grid>
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="*"/>
                                            <ColumnDefinition Width="Auto"/>
                                        </Grid.ColumnDefinitions>
                                        <Slider Grid.Column="0" Minimum="0" Maximum="100" 
                                                IsEnabled="{Binding CanEditGridCells, RelativeSource={RelativeSource AncestorType=Window}}"
                                                Value="{Binding Volume, UpdateSourceTrigger=PropertyChanged}"/>
                                        <TextBlock Grid.Column="1" Text="{Binding Volume, StringFormat={}{0}%}" 
                                                   Margin="5,0,0,0" VerticalAlignment="Center"/>
                                    </Grid>
                                </DataTemplate>
                            </DataGridTemplateColumn.CellTemplate>
                        </DataGridTemplateColumn>

                        <!-- 状态 -->
                        <DataGridTextColumn Header="状态" Binding="{Binding Status}" Width="80" IsReadOnly="True"/>
                    </DataGrid.Columns>
                </DataGrid>
            </Grid>
        </Grid>

        <!-- 全局播放控制栏 -->
        <Border Grid.Row="3" BorderBrush="#DDDDDD" BorderThickness="1" Padding="8" Margin="0,10,0,0" Background="#F8F8F8">
            <Grid x:Name="PlaybackControlPanel">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="2*"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="260"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                    <ColumnDefinition Width="Auto"/>
                </Grid.ColumnDefinitions>

                <TextBlock Grid.Column="0" Text="当前播放:" VerticalAlignment="Center" Margin="0,0,6,0"/>
                <TextBlock Grid.Column="1" x:Name="PlaybackItemTextBlock" Text="未播放"
                           MinWidth="160" MaxWidth="360" TextTrimming="CharacterEllipsis"
                           VerticalAlignment="Center" Margin="0,0,12,0"/>
                <TextBlock Grid.Column="2" x:Name="PlaybackTimeTextBlock" Text="--:-- / --:--"
                           Width="150" VerticalAlignment="Center" Margin="0,0,8,0"/>
                <Slider Grid.Column="3" x:Name="PlaybackProgressSlider" Minimum="0" Maximum="1" Value="0"
                        TickFrequency="1" IsSnapToTickEnabled="False" IsMoveToPointEnabled="True"
                        VerticalAlignment="Center" Margin="0,0,10,0"/>
                <Button Grid.Column="4" x:Name="PauseResumeButton" Content="暂停" Width="64" Margin="0,0,6,0"
                        Click="PauseResumeButton_Click"/>
                <Button Grid.Column="5" x:Name="StopPlaybackButton" Content="停止" Width="64" Margin="0,0,12,0"
                        Click="StopPlaybackButton_Click"/>
                <TextBlock Grid.Column="6" Text="剩余:" VerticalAlignment="Center" Margin="0,0,4,0"/>
                <TextBlock Grid.Column="7" Name="RemainingTimeTextBlock" Text="--:--" Width="72" VerticalAlignment="Center" Margin="0,0,8,0"/>
                <TextBlock Grid.Column="8" VerticalAlignment="Center">
                    <Run Text="循环:"/>
                    <Run Name="RemainingLoopTextBlock" Text="--"/>
                </TextBlock>
            </Grid>
        </Border>

        <!-- 底部状态栏 -->
        <StatusBar Grid.Row="4" Margin="0,8,0,0">
            <StatusBarItem>
                <TextBlock Text="就绪"/>
            </StatusBarItem>
            <Separator/>
            <StatusBarItem>
                <TextBlock Text="当前时间: "/>
            </StatusBarItem>
            <StatusBarItem>
                <TextBlock Name="CurrentTimeTextBlock" Text="00:00:00"/>
            </StatusBarItem>
            <Separator/>
            <StatusBarItem>
                <TextBlock Text="下一个广播: "/>
            </StatusBarItem>
            <StatusBarItem>
                <TextBlock Name="NextBroadcastTextBlock" Text="无"/>
            </StatusBarItem>
            <StatusBarItem>
                <TextBlock x:Name="ToolProgressTextBlock" Text=""/>
            </StatusBarItem>
        </StatusBar>
    </Grid>
</Window>