PDFOffice_Windows_exe/PDF Office/CustomControl/WritableComboBox.xaml

<UserControl
    x:Class="PDF_Master.CustomControl.WritableComboBox"
    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:local="clr-namespace:PDF_Master.CustomControl"
    xmlns:help="clr-namespace:PDF_Master.Helper"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    d:DesignHeight="24"
    d:DesignWidth="200"
    Loaded="UserControl_Loaded"
    mc:Ignorable="d">
    <UserControl.Resources>
        <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" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" SnapsToDevicePixels="True">
                            <Grid >
                                <ScrollViewer x:Name="PART_ContentHost" Focusable="False" HorizontalScrollBarVisibility="Hidden" VerticalScrollBarVisibility="Hidden"/>
                                <TextBlock x:Name="WARKTEXT" Text="{TemplateBinding Tag}" Foreground="#7F2F2F2F" Visibility="Collapsed" Padding="8,6,0,0"/>
                            </Grid>
                        </Border>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter Property="Opacity" TargetName="border" Value="0.56"/>
                            </Trigger>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter Property="BorderBrush" TargetName="border" Value="#FF7EB4EA"/>
                            </Trigger>
                            <Trigger Property="IsKeyboardFocused" Value="True">
                                <Setter Property="BorderBrush" TargetName="border" Value="#FF569DE5"/>
                            </Trigger>
                            <MultiTrigger>
                                <MultiTrigger.Conditions>
                                    <Condition Property="Text" Value=""/>
                                    <!--<Condition Property="IsFocused" Value="False"/>-->
                                </MultiTrigger.Conditions>
                                <Setter Property="Visibility" TargetName="WARKTEXT" 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>
        <ComboBox
            x:Name="writableComboBox"
            Grid.Column="1"
            MinWidth="58"
            MinHeight="24"
            VerticalContentAlignment="Center"
            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>
        <TextBox
            x:Name="writableTextBox"
            Grid.Column="0"
            MinHeight="{Binding ElementName=writableComboBox, Path=MinHeight}"
            BorderBrush="{x:Null}"
            BorderThickness="0"
            Margin="2"
            HorizontalAlignment="Left"
            VerticalContentAlignment="Center"
            Panel.ZIndex="1"
            LostFocus="writableTextBox_LostFocus"
            PreviewKeyDown="writableTextBox_PreviewKeyDown"
            InputMethod.IsInputMethodEnabled="False"
            PreviewTextInput="writableTextBox_PreviewTextInput"
            Text="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local:WritableComboBox}, Path=Text}"
            TextChanged="writableTextBox_TextChange"
            Visibility="Hidden" Style="{StaticResource WarkTextBoxStyle}" Tag="例如1,3-5,10">
            <!--<TextBox.CaretBrush>
                <SolidColorBrush Color="#FF7EB4EA"/>
            </TextBox.CaretBrush>-->
        </TextBox>
    </Grid>
</UserControl>