73 lines
4.7 KiB
XML
73 lines
4.7 KiB
XML
<ResourceDictionary
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:assists="clr-namespace:Melskin.Assists"
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xmlns:controls="clr-namespace:Melskin.Controls">
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<Style TargetType="{x:Type controls:TreeGrid}">
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<Setter Property="Background" Value="{DynamicResource BackgroundLayoutBrush}" />
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<Setter Property="assists:ControlAssist.CornerRadius" Value="4" />
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<Setter Property="BorderBrush" Value="{DynamicResource BorderNormalBrush}" />
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<Setter Property="BorderThickness" Value="1" />
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<Setter Property="Foreground" Value="{DynamicResource TextPrimaryBrush}" />
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<Setter Property="Template">
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<Setter.Value>
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<ControlTemplate TargetType="{x:Type controls:TreeGrid}">
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<Grid>
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<Border Background="{TemplateBinding Background}" CornerRadius="{TemplateBinding assists:ControlAssist.CornerRadius}">
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<Border.OpacityMask>
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<VisualBrush>
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<VisualBrush.Visual>
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<!-- 定义遮罩形状：黑色代表可见区域，圆角与外部一致 -->
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<Border
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Width="{Binding ActualWidth, RelativeSource={RelativeSource AncestorType=Border}}"
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Height="{Binding ActualHeight, RelativeSource={RelativeSource AncestorType=Border}}"
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Background="Black"
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CornerRadius="{Binding CornerRadius, RelativeSource={RelativeSource AncestorType=Border}}"
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SnapsToDevicePixels="True" />
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</VisualBrush.Visual>
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</VisualBrush>
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</Border.OpacityMask>
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<DockPanel>
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<!-- 1. 表头区域，放置在顶部 -->
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<!-- - 用 ScrollViewer 包裹以同步滚动 -->
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<!-- - 隐藏自己的滚动条，因为它只是一个“跟随者” -->
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<ScrollViewer
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x:Name="PART_HeaderScrollViewer"
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Background="Transparent"
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DockPanel.Dock="Top"
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HorizontalScrollBarVisibility="Hidden"
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VerticalScrollBarVisibility="Disabled">
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<GridViewHeaderRowPresenter Columns="{Binding Columns, RelativeSource={RelativeSource TemplatedParent}}" />
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</ScrollViewer>
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<!-- 2. 内容区域，占据剩余空间 -->
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<!-- - 将所有相关属性从外层 TreeGrid 传递给内部的 TreeView -->
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<TreeView
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x:Name="PART_ContentTreeView"
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assists:ControlAssist.CornerRadius="0"
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Background="{DynamicResource ControlBackgroundNormalBrush}"
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BorderThickness="0"
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ItemContainerStyle="{Binding ItemContainerStyle, RelativeSource={RelativeSource TemplatedParent}}"
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ItemTemplate="{Binding ItemTemplate, RelativeSource={RelativeSource TemplatedParent}}"
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ItemsSource="{Binding ItemsSource, RelativeSource={RelativeSource TemplatedParent}}">
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<!-- 可选：为了性能，可以启用虚拟化 -->
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<TreeView.ItemsPanel>
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<ItemsPanelTemplate>
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<VirtualizingStackPanel />
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</ItemsPanelTemplate>
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</TreeView.ItemsPanel>
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</TreeView>
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</DockPanel>
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</Border>
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<Border
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BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}"
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CornerRadius="{TemplateBinding assists:ControlAssist.CornerRadius}"
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IsHitTestVisible="False" />
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</Grid>
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</ControlTemplate>
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</Setter.Value>
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</Setter>
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</Style>
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</ResourceDictionary> |