kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/Common/BaseControl/WritableComboBox.xaml

<UserControl x:Class="ComPDFKit.Controls.Common.BaseControl.WritableComboBox"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:local="clr-namespace:ComPDFKit.Controls.Common.BaseControl"
             mc:Ignorable="d"
             d:DesignHeight="300" d:DesignWidth="300"
             IsEnabledChanged="UserControl_IsEnabledChanged"
             Loaded="UserControl_Loaded">
    <UserControl.Resources>
        <BooleanToVisibilityConverter x:Key="BoolToVisible" />
        <SolidColorBrush x:Key="color.field.border.focus">#1770F4</SolidColorBrush>
        <SolidColorBrush x:Key="color.field.border.error">#F3465B</SolidColorBrush>
        <DropShadowEffect
            x:Key="shadow.error.s"
            BlurRadius="4"
            Direction="0"
            Opacity=" 0.4"
            ShadowDepth="0"
            Color="#F3465B" />
        <DropShadowEffect
            x:Key="shadow.blue-0-4"
            BlurRadius="4"
            Direction="270"
            Opacity="0.4"
            ShadowDepth="0"
            Color="#1770F4" />
        <Style x:Key="WarkTextBoxStyle" TargetType="{x:Type TextBox}">
            <Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" />
            <Setter Property="BorderBrush" Value="#FFABADB3" />
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
            <Setter Property="BorderThickness" Value="1" />
            <Setter Property="KeyboardNavigation.TabNavigation" Value="None" />
            <Setter Property="HorizontalContentAlignment" Value="Left" />
            <Setter Property="FocusVisualStyle" Value="{x:Null}" />
            <Setter Property="AllowDrop" Value="True" />
            <Setter Property="ScrollViewer.PanningMode" Value="VerticalFirst" />
            <Setter Property="Stylus.IsFlicksEnabled" Value="False" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type TextBox}">
                        <Border
                            x:Name="border"
                            Background="{TemplateBinding Background}"
                            BorderBrush="{TemplateBinding BorderBrush}"
                            BorderThickness="{TemplateBinding BorderThickness}"
                            SnapsToDevicePixels="True">
                            <Grid>
                                <ScrollViewer
                                    x:Name="PART_ContentHost"
                                    Focusable="False"
                                    HorizontalScrollBarVisibility="Hidden"
                                    VerticalScrollBarVisibility="Hidden" />
                                <TextBlock
                                    x:Name="WARKTEXT"
                                    Padding="8,6,0,0"
                                    Foreground="#7F2F2F2F"
                                    Text="{TemplateBinding Tag}"
                                    Visibility="Collapsed" />
                            </Grid>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter TargetName="border" Property="Opacity" Value="0.56" />
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="border" Property="BorderBrush" Value="#FF7EB4EA" />
                            </Trigger>
                            <Trigger Property="IsKeyboardFocused" Value="True">
                                <Setter TargetName="border" Property="BorderBrush" Value="#FF569DE5" />
                            </Trigger>
                            <MultiTrigger>
                                <MultiTrigger.Conditions>
                                    <Condition Property="Text" Value="" />
                                    <!--<Condition Property="IsFocused" Value="False" />-->
                                </MultiTrigger.Conditions>
                                <Setter TargetName="WARKTEXT" Property="Visibility" Value="Visible" />
                            </MultiTrigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <MultiTrigger>
                    <MultiTrigger.Conditions>
                        <Condition Property="IsInactiveSelectionHighlightEnabled" Value="True" />
                        <Condition Property="IsSelectionActive" Value="False" />
                    </MultiTrigger.Conditions>
                    <Setter Property="SelectionBrush" Value="{DynamicResource {x:Static SystemColors.InactiveSelectionHighlightBrushKey}}" />
                </MultiTrigger>
            </Style.Triggers>
        </Style>
    </UserControl.Resources>
    <Grid Background="White">
        <ComboBox
            x:Name="writableComboBox"
            Grid.Column="1"
            MinWidth="58"
            MinHeight="26"
            VerticalContentAlignment="Center"
            Background="White"
            BorderBrush="#B4B4B4"
            
            FontFamily="
Segoe UI"
            BorderThickness="1"
            MouseEnter="writableComboBox_MouseEnter"
            MouseLeave="writableComboBox_MouseLeave"
            SelectedIndex="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:WritableComboBox}, Path=SelectedIndex}"
            SelectionChanged="writableComboBox_SelectionChanged"
            Visibility="Visible">
            <ComboBoxItem
                x:Name="AllPageItem"
                Tag="AllPage"
                Visibility="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:WritableComboBox}, Path=IsAllPageVisible}" />
            <ComboBoxItem x:Name="OddPageItem" Tag="OddPage" />
            <ComboBoxItem
                x:Name="EvenPageItem"
                IsEnabled="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:WritableComboBox}, Path=EvenPageIsEnabled}"
                Tag="EvenPage" />
            <ComboBoxItem x:Name="CustomPageItem" Tag="CustomPage" />
        </ComboBox>
        <Border
            Grid.Column="1"
            MinWidth="58"
            MinHeight="24"
            Panel.ZIndex="1"
            BorderBrush="{StaticResource color.field.border.focus}"
            BorderThickness="1"
            CornerRadius="0"
            Effect="{StaticResource shadow.blue-0-4}"
            Visibility="{Binding ElementName=writableTextBox, Path=IsFocused, Converter={StaticResource BoolToVisible}}" />
        <Border
            x:Name="ErrorBorder"
            Grid.Column="1"
            MinWidth="58"
            MinHeight="24"
            Panel.ZIndex="2"
            BorderBrush="{StaticResource color.field.border.error}"
            BorderThickness="1"
            CornerRadius="4"
            Effect="{StaticResource shadow.error.s}"
            Visibility="Collapsed" />

        <TextBox
            x:Name="writableTextBox"
            Grid.Column="0"
            MinHeight="{Binding ElementName=writableComboBox, Path=MinHeight}"
            Margin="2"
            HorizontalAlignment="Left"
            VerticalContentAlignment="Center"
            Panel.ZIndex="2"
            BorderBrush="{x:Null}"
            BorderThickness="0"
            GotFocus="writableTextBox_GotFocus"
            InputMethod.IsInputMethodEnabled="False"
            LostFocus="writableTextBox_LostFocus"
            PreviewKeyDown="writableTextBox_PreviewKeyDown"
            PreviewTextInput="writableTextBox_PreviewTextInput"
            Style="{StaticResource WarkTextBoxStyle}"
            Tag="例如1,3-5,10"
            Text="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:WritableComboBox}, Path=Text}"
            TextChanged="writableTextBox_TextChange"
            Visibility="Hidden"
            Cursor="IBeam">
            <!--<TextBox.CaretBrush>
            <SolidColorBrush Color="#FF7EB4EA" />
            </TextBox.CaretBrush>-->
        </TextBox>

        <local:PopTip
            x:Name="PopTipPageRange"
            Width="300"
            AllowsTransparency="True"
            Background="White"
            PlacementEx="BottomLeft"
            PlacementTarget="{Binding ElementName=writableTextBox}"
            StaysOpen="False">
            <Border>
                <TextBlock
                    x:Name="TxtError"
                    Margin="10"
                    TextWrapping="WrapWithOverflow" />
            </Border>
        </local:PopTip>
    </Grid>
</UserControl>