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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-03-16 14:36:36 +08:00
结构调整,便于后续扩展
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99
AIStudio.Wpf.BaseDiagram/Controls/MultiSelectComboBox.xaml
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99
AIStudio.Wpf.BaseDiagram/Controls/MultiSelectComboBox.xaml
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<UserControl x:Class="AIStudio.Wpf.BaseDiagram.Controls.MultiSelectComboBox"
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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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<ComboBox Background="Transparent" BorderBrush="Transparent"
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x:Name="MultiSelectCombo"
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SnapsToDevicePixels="True"
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OverridesDefaultStyle="True"
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ScrollViewer.HorizontalScrollBarVisibility="Auto"
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ScrollViewer.VerticalScrollBarVisibility="Auto"
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ScrollViewer.CanContentScroll="True"
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IsSynchronizedWithCurrentItem="True"
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>
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<ComboBox.ItemTemplate>
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<DataTemplate>
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<CheckBox Content="{Binding Title}"
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IsChecked="{Binding Path=IsSelected, Mode=TwoWay}"
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Tag="{RelativeSource FindAncestor, AncestorType={x:Type ComboBox}}"
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Click="CheckBox_Click" />
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</DataTemplate>
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</ComboBox.ItemTemplate>
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<ComboBox.Template>
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<ControlTemplate TargetType="ComboBox">
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<Grid >
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<ToggleButton x:Name="ToggleButton" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}"
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Grid.Column="2" IsChecked="{Binding Path=IsDropDownOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}"
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Focusable="false"
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ClickMode="Press" HorizontalContentAlignment="Left" >
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<ToggleButton.Template>
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<ControlTemplate>
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<Grid>
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="*"/>
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<ColumnDefinition Width="12"/>
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</Grid.ColumnDefinitions>
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<Border
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x:Name="Border"
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Grid.ColumnSpan="2"
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Background="{TemplateBinding Background}"
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BorderBrush="{TemplateBinding BorderBrush}"
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BorderThickness="{TemplateBinding BorderThickness}" />
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<Border
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x:Name="BorderComp"
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Grid.Column="0"
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CornerRadius="2"
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Margin="1"
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BorderThickness="0,0,0,0" >
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<TextBlock Text="{Binding Path=Text,RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=UserControl}}" Padding="3" />
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</Border>
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<Border x:Name="ArrowBorder" Grid.Column="1" >
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<Path
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x:Name="Arrow"
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Stretch="Fill" Width="5" Height="3"
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Fill="Black"
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HorizontalAlignment="Center"
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VerticalAlignment="Center"
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Data="M 0 0 L 4 4 L 8 0 Z"/>
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</Border>
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</Grid>
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<ControlTemplate.Triggers>
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<Trigger Property="IsMouseOver" Value="true">
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<Setter TargetName="ArrowBorder" Property="Background" Value="{DynamicResource Fluent.Ribbon.Brushes.Button.MouseOver.Background}" />
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</ToggleButton.Template>
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</ToggleButton>
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<Popup x:Name="Popup"
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Placement="Bottom"
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AllowsTransparency="True"
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Focusable="False" IsOpen="{TemplateBinding IsDropDownOpen}"
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PopupAnimation="Slide">
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<Grid x:Name="DropDown"
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SnapsToDevicePixels="True"
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MinWidth="{TemplateBinding ActualWidth}"
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MaxHeight="{TemplateBinding MaxDropDownHeight}">
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<Border x:Name="DropDownBorder"
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BorderThickness="1" Background="{DynamicResource WhiteBrush}"
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BorderBrush="{DynamicResource GrayBrush8}"/>
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<ScrollViewer Margin="4,6,4,6" SnapsToDevicePixels="True" DataContext="{Binding}">
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<StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />
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</ScrollViewer>
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</Grid>
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</Popup>
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</Grid>
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<ControlTemplate.Triggers>
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<Trigger Property="HasItems" Value="false">
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<Setter TargetName="DropDownBorder" Property="MinHeight" Value="95"/>
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</Trigger>
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<Trigger SourceName="Popup" Property="Popup.AllowsTransparency" Value="true">
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<Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0"/>
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</Trigger>
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<Trigger Property="IsDropDownOpen" Value="true">
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<Setter TargetName="ToggleButton" Property="Background" Value="{DynamicResource Fluent.Ribbon.Brushes.Button.MouseOver.Background}" />
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</Trigger>
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</ControlTemplate.Triggers>
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</ControlTemplate>
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</ComboBox.Template>
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</ComboBox>
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</UserControl>
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