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Shrlalgo.RvKits/WPFluent/Controls/ComboBoxEx/ComboBoxEx.xaml

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<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:controls="clr-namespace:WPFluent.Controls"
xmlns:converters="clr-namespace:WPFluent.Converters"
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xmlns:system="clr-namespace:System;assembly=mscorlib">
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<ResourceDictionary.MergedDictionaries>
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<!--<ResourceDictionary Source="pack://application:,,,/WPFluent;component/Resources/Variables.xaml" />-->
<ResourceDictionary Source="pack://application:,,,/WPFluent;component/Controls/ComboBox/ComboBox.xaml" />
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</ResourceDictionary.MergedDictionaries>
<converters:BooleanToVisConverter x:Key="BooleanToVisConverter" />
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<Style x:Key="DefaultComboBoxExStyle" TargetType="{x:Type controls:ComboBoxEx}">
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<Style.Triggers>
<Trigger Property="HeaderPlacement" Value="Left">
<Setter Property="HorizontalAlignment" Value="Right" />
</Trigger>
<Trigger Property="HeaderPlacement" Value="Right">
<Setter Property="HorizontalAlignment" Value="Left" />
</Trigger>
<!--<Trigger Property="MultiSelect" Value="True">
<Setter Property="ItemContainerStyle" Value="{StaticResource DefaultMultiComboxBoxItemStyle}" />
<Setter Property="Template" Value="{StaticResource DefaultMultiComboBoxExControlTemplate}" />
</Trigger>-->
</Style.Triggers>
<!-- Universal WPF UI focus -->
<Setter Property="FocusVisualStyle" Value="{DynamicResource DefaultControlFocusVisualStyle}" />
<!-- Universal WPF UI focus -->
<!-- Universal WPF UI ContextMenu -->
<Setter Property="ContextMenu" Value="{DynamicResource DefaultControlContextMenu}" />
<!-- Universal WPF UI ContextMenu -->
<Setter Property="Background" Value="{DynamicResource ComboBoxBackground}" />
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<Setter Property="Border.CornerRadius" Value="{StaticResource ControlCornerRadius}" />
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<Setter Property="BorderBrush" Value="{DynamicResource ControlElevationBorderBrush}" />
<Setter Property="BorderThickness" Value="{StaticResource ComboBoxBorderThemeThickness}" />
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<Setter Property="FontSize" Value="{StaticResource ControlContentThemeFontSize}" />
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<Setter Property="Foreground" Value="{DynamicResource ComboBoxForeground}" />
<Setter Property="HorizontalAlignment" Value="Stretch" />
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
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<Setter Property="MinHeight" Value="{StaticResource TextControlThemeMinHeight}" />
<Setter Property="MinWidth" Value="{StaticResource TextControlThemeMinWidth}" />
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<Setter Property="OverridesDefaultStyle" Value="True" />
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<Setter Property="Padding" Value="{StaticResource ComboBoxPadding}" />
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<Setter Property="Popup.Placement" Value="Bottom" />
<Setter Property="Popup.PopupAnimation" Value="Slide" />
<Setter Property="ScrollViewer.CanContentScroll" Value="False" />
<Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Hidden" />
<Setter Property="ScrollViewer.IsDeferredScrollingEnabled" Value="False" />
<Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Hidden" />
<Setter Property="VerticalAlignment" Value="Center" />
<!-- WPF 不喜欢居中，动画很难看，鼠标按钮有时会立即点击。 -->
<Setter Property="SnapsToDevicePixels" Value="True" />
<Setter Property="Template">
<Setter.Value>
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<ControlTemplate TargetType="{x:Type controls:ComboBoxEx}">
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<DockPanel>
<!-- 标题 -->
<TextBlock
x:Name="Header_TextBlock"
Margin="5"
VerticalAlignment="Center"
DockPanel.Dock="{TemplateBinding HeaderPlacement}"
FontSize="{TemplateBinding FontSize}"
Text="{TemplateBinding Header}" />
<Grid
x:Name="Grid"
HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
VerticalAlignment="{TemplateBinding VerticalAlignment}">
<!-- 强调边缘 只有IsEditable时出现 -->
<Border
x:Name="AccentBorder"
BorderBrush="{DynamicResource ComboBoxBorderBrushFocused}"
BorderThickness="{StaticResource ComboBoxAccentBorderThemeThickness}"
CornerRadius="{TemplateBinding Border.CornerRadius}"
Visibility="Collapsed" />
<Border
x:Name="ContentBorder"
Grid.Row="0"
MinWidth="{TemplateBinding MinWidth}"
MinHeight="{TemplateBinding MinHeight}"
Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
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CornerRadius="{TemplateBinding Border.CornerRadius}"
Padding="0">
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<Grid>
<!--
Chevron 位于 Presenter 上，ToggleButton 位于 Chevron 上，TextBox 位于 ToggleButton 上。
但是，TextBox 不在 Chevron 上，所以 ToggleButton 仍能工作。
后声明在上层
-->
<Grid HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Grid Grid.Column="0" Margin="{TemplateBinding Padding}">
<!--#region 扩展水印-->
<TextBlock
x:Name="PlaceholderTextBlock"
VerticalAlignment="Center"
Focusable="False"
FontSize="{TemplateBinding FontSize}"
Foreground="{DynamicResource TextControlPlaceholderForeground}"
IsHitTestVisible="False"
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Padding="1,0"
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Text="{TemplateBinding PlaceholderText}"
Visibility="Collapsed" />
<!--#endregion-->
<ContentPresenter
Content="{TemplateBinding SelectionBoxItem}"
ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
IsHitTestVisible="False"
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Name="PART_ContentPresenter"
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TextElement.Foreground="{TemplateBinding Foreground}" />
</Grid>
<!-- 可编辑时 -->
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<ToggleButton
Grid.Column="0"
Grid.ColumnSpan="2"
Margin="0"
ClickMode="Press"
Focusable="False"
Foreground="{TemplateBinding Foreground}"
IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}"
Name="ToggleButton"
Style="{StaticResource DefaultComboBoxToggleButtonStyle}" />
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<TextBox
x:Name="PART_EditableTextBox"
Grid.Column="0"
Margin="{TemplateBinding Padding}"
FontSize="{TemplateBinding FontSize}"
Foreground="{TemplateBinding Foreground}"
IsReadOnly="{TemplateBinding IsReadOnly}"
Style="{StaticResource DefaultComboBoxTextBoxStyle}" />
<controls:SymbolIcon
x:Name="ChevronIcon"
Grid.Column="1"
Margin="{StaticResource ComboBoxChevronMargin}"
VerticalAlignment="Center"
FontSize="{StaticResource ComboBoxChevronSize}"
Foreground="{DynamicResource ComboBoxDropDownGlyphForeground}"
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IsHitTestVisible="False"
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RenderTransformOrigin="0.5, 0.5"
Symbol="ChevronDown24">
<controls:SymbolIcon.RenderTransform>
<RotateTransform Angle="0" />
</controls:SymbolIcon.RenderTransform>
</controls:SymbolIcon>
</Grid>
<!-- 弹出式菜单 -->
<Popup
x:Name="PART_Popup"
MinWidth="{TemplateBinding ActualWidth}"
VerticalAlignment="Center"
AllowsTransparency="True"
Focusable="False"
IsOpen="{TemplateBinding IsDropDownOpen}"
Placement="{TemplateBinding Popup.Placement}"
PopupAnimation="{TemplateBinding Popup.PopupAnimation}"
VerticalOffset="1">
<Border
x:Name="DropDownBorder"
Background="{DynamicResource ComboBoxDropDownBackground}"
BorderBrush="{DynamicResource ComboBoxDropDownBorderBrush}"
BorderThickness="1"
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CornerRadius="{StaticResource PopupCornerRadius}"
Padding="0,4,0,6"
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SnapsToDevicePixels="True">
<Grid>
<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition />
</Grid.RowDefinitions>
<Grid Margin="5,2,5,2" Visibility="{Binding ShowFilterBox, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource BooleanToVisConverter}}">
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<TextBox x:Name="PART_FilterTextBox"/>
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<TextBlock
VerticalAlignment="Center"
Foreground="{DynamicResource TextControlPlaceholderForeground}"
IsHitTestVisible="False"
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Name="FilterPlaceholderTextBlock"
Padding="14,0"
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Text="{TemplateBinding FilterBoxPlaceholderText}"
TextBlock.FontSize="{TemplateBinding FontSize}"
Visibility="Collapsed" />
</Grid>
<!--<controls:TextBox
x:Name="PART_FilterTextBox"
Margin="5,2,5,2"
PlaceholderText="{TemplateBinding FilterBoxPlaceholderText}"
Visibility="{Binding ShowFilterBox, RelativeSource={RelativeSource TemplatedParent}, Converter={StaticResource BooleanToVisConverter}}" />-->
<controls:DynamicScrollViewer
Grid.Row="1"
MaxHeight="{TemplateBinding MaxDropDownHeight}"
Margin="0"
HorizontalScrollBarVisibility="{TemplateBinding ScrollViewer.HorizontalScrollBarVisibility}"
SnapsToDevicePixels="True"
TextElement.FontSize="{TemplateBinding FontSize}"
TextElement.FontWeight="{TemplateBinding FontWeight}"
TextElement.Foreground="{TemplateBinding Foreground}"
VerticalScrollBarVisibility="{TemplateBinding ScrollViewer.VerticalScrollBarVisibility}">
<StackPanel
IsItemsHost="True"
KeyboardNavigation.DirectionalNavigation="Contained"
TextElement.FontSize="{TemplateBinding FontSize}" />
<!--<ItemsPresenter KeyboardNavigation.DirectionalNavigation="Contained" TextElement.FontSize="{TemplateBinding FontSize}" />-->
</controls:DynamicScrollViewer>
</Grid>
</Border>
</Popup>
</Grid>
</Border>
</Grid>
</DockPanel>
<ControlTemplate.Triggers>
<Trigger Property="IsDropDownOpen" Value="True">
<Trigger.EnterActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
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Duration="00:00:00.167"
From="0"
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Storyboard.TargetName="ChevronIcon"
Storyboard.TargetProperty="(controls:SymbolIcon.RenderTransform).(RotateTransform.Angle)"
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To="180" />
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<DoubleAnimation
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Duration="00:00:00.167"
From="-90"
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Storyboard.TargetName="DropDownBorder"
Storyboard.TargetProperty="(Border.RenderTransform).(TranslateTransform.Y)"
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To="0">
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<DoubleAnimation.EasingFunction>
<CircleEase EasingMode="EaseOut" />
</DoubleAnimation.EasingFunction>
</DoubleAnimation>
</Storyboard>
</BeginStoryboard>
</Trigger.EnterActions>
<Trigger.ExitActions>
<BeginStoryboard>
<Storyboard>
<DoubleAnimation
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Duration="00:00:00.167"
From="180"
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Storyboard.TargetName="ChevronIcon"
Storyboard.TargetProperty="(controls:SymbolIcon.RenderTransform).(RotateTransform.Angle)"
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To="0" />
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</Storyboard>
</BeginStoryboard>
</Trigger.ExitActions>
</Trigger>
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<Trigger Property="Text" Value="" SourceName="PART_FilterTextBox">
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<Setter TargetName="FilterPlaceholderTextBlock" Property="Visibility" Value="Visible" />
</Trigger>
<Trigger Property="Header" Value="{x:Null}">
<Setter TargetName="Header_TextBlock" Property="Margin" Value="0" />
<Setter TargetName="Header_TextBlock" Property="Visibility" Value="Collapsed" />
</Trigger>
<!-- 标题左右对齐时,控制最小宽度 -->
<Trigger Property="HeaderPlacement" Value="Left">
<Setter TargetName="Grid" Property="MinWidth" Value="80" />
</Trigger>
<Trigger Property="HeaderPlacement" Value="Right">
<Setter TargetName="Grid" Property="MinWidth" Value="80" />
</Trigger>
<Trigger Property="HasItems" Value="False">
<Setter TargetName="DropDownBorder" Property="MinHeight" Value="{StaticResource ComboBoxPopupMinHeight}" />
</Trigger>
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<Trigger Property="Popup.AllowsTransparency" Value="False" SourceName="PART_Popup">
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<Setter TargetName="DropDownBorder" Property="CornerRadius" Value="0" />
</Trigger>
<Trigger Property="IsGrouping" Value="True">
<Setter Property="ScrollViewer.CanContentScroll" Value="False" />
</Trigger>
<Trigger Property="IsEditable" Value="True">
<Setter Property="IsTabStop" Value="False" />
<Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible" />
<Setter TargetName="PART_ContentPresenter" Property="Visibility" Value="Hidden" />
</Trigger>
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsEnabled" Value="True" />
<Condition Property="IsKeyboardFocusWithin" Value="True" />
<Condition Property="IsEditable" Value="True" />
</MultiTrigger.Conditions>
<Setter TargetName="ContentBorder" Property="Background" Value="{DynamicResource ComboBoxBackgroundFocused}" />
<Setter TargetName="AccentBorder" Property="Visibility" Value="Visible" />
</MultiTrigger>
<!-- 可用、指针进入、键盘不聚焦 -->
<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsEnabled" Value="True" />
<Condition Property="IsMouseOver" Value="True" />
<Condition Property="IsKeyboardFocusWithin" Value="False" />
</MultiTrigger.Conditions>
<Setter TargetName="ContentBorder" Property="Background" Value="{DynamicResource ComboBoxBackgroundPointerOver}" />
</MultiTrigger>
<!-- 选中项文本 -->
<!--<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="IsEditable" Value="False" />
<Condition Property="SelectedIndex" Value="-1" />
</MultiTrigger.Conditions>
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</MultiTrigger>-->
<!--<MultiTrigger>
<MultiTrigger.Conditions>
<Condition Property="PlaceholderEnable" Value="True" />
<Condition Property="Text" Value="" />
</MultiTrigger.Conditions>
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</MultiTrigger>-->
<Trigger Property="Text" Value="">
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</Trigger>
<!--<Trigger Property="SelectedItem" Value="{x:Null}">
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</Trigger>-->
<!--<DataTrigger Binding="{Binding Path=Text, RelativeSource={RelativeSource Mode=Self}}" Value="">
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</DataTrigger>-->
<!--<DataTrigger Binding="{Binding Path=SelectedItem, RelativeSource={RelativeSource AncestorType={x:Type etc:ComboBoxEx}}}" Value="{x:Null}">
<Setter TargetName="PlaceholderTextBlock" Property="Visibility" Value="Visible" />
</DataTrigger>-->
<Trigger Property="IsEnabled" Value="False">
<Setter TargetName="ContentBorder" Property="Background" Value="{DynamicResource ComboBoxBackgroundDisabled}" />
<Setter TargetName="ContentBorder" Property="BorderBrush" Value="{DynamicResource ComboBoxBorderBrushDisabled}" />
<Setter Property="Foreground" Value="{DynamicResource ComboBoxForegroundDisabled}" />
<!--#region Extend 水印-->
<Setter TargetName="PlaceholderTextBlock" Property="Foreground" Value="{DynamicResource TextControlForegroundDisabled}" />
<!--#endregion-->
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
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<Setter Property="VerticalContentAlignment" Value="Top" />
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</Style>
<!--<Style BasedOn="{StaticResource DefaultComboBoxItemStyle}" TargetType="{x:Type ComboBoxItem}" />-->
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<Style BasedOn="{StaticResource DefaultComboBoxExStyle}" TargetType="{x:Type controls:ComboBoxEx}" />
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</ResourceDictionary>
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