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Silverlight:自定义日期选取器模板时出现问题

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  • Mark J Miller  · 技术社区  · 16 年前

    我正在尝试重写Silverlight中的默认日期选取器模板。我想删除datepickerTextBox,并将datepickerTextBox右侧的“日历”图标的内容替换为仅包含月和日的内容。这里是我的位置,有两个ContentPresenter控件,每个控件都使用不同的方法尝试绑定到DatePicker的SelectedDate属性。但两者都不起作用。我错过了什么?

    <Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
             xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls" 
             xmlns:primitives="clr-namespace:System.Windows.Controls.Primitives;assembly=System.Windows.Controls" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             x:Class="YouthSports.Client.Coach.App"
             mc:Ignorable="d"
             >
    <Application.Resources>
    
        <Style x:Key="DateTimePickerStyle" TargetType="controls:DatePicker">
            <Setter Property="IsTabStop" Value="False"/>
            <Setter Property="Background" Value="#FFFFFFFF"/>
            <Setter Property="Padding" Value="2"/>
            <Setter Property="SelectionBackground" Value="#FF444444"/>
            <Setter Property="BorderBrush">
                <Setter.Value>
                    <LinearGradientBrush EndPoint=".5,0" StartPoint=".5,1">
                        <GradientStop Color="#FF617584" Offset="0"/>
                        <GradientStop Color="#FF718597" Offset="0.375"/>
                        <GradientStop Color="#FF8399A9" Offset="0.375"/>
                        <GradientStop Color="#FFA3AEB9" Offset="1"/>
                    </LinearGradientBrush>
                </Setter.Value>
            </Setter>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="controls:DatePicker">
                        <Grid x:Name="Root">
                            <Grid.Resources>
                                <SolidColorBrush x:Key="DisabledBrush" Color="#8CFFFFFF"/>
                                <ControlTemplate x:Key="DropDownButtonTemplate" TargetType="Button">
                                    <Grid>
                                        <VisualStateManager.VisualStateGroups>
                                            <VisualStateGroup x:Name="CommonStates">
                                                <VisualStateGroup.Transitions>
                                                    <VisualTransition GeneratedDuration="0"/>
                                                    <VisualTransition GeneratedDuration="0:0:0.1" To="MouseOver"/>
                                                    <VisualTransition GeneratedDuration="0:0:0.1" To="Pressed"/>
                                                </VisualStateGroup.Transitions>
                                                <VisualState x:Name="Normal"/>
                                                <VisualState x:Name="MouseOver">
                                                    <Storyboard>
                                                        <ColorAnimation Duration="0" Storyboard.TargetName="Background" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)" To="#FF448DCA"/>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[3].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#7FFFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[2].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#CCFFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#F2FFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="Pressed">
                                                    <Storyboard>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="Background" Storyboard.TargetProperty="(Border.Background).(SolidColorBrush.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#FF448DCA"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <DoubleAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="Highlight" Storyboard.TargetProperty="(UIElement.Opacity)">
                                                            <SplineDoubleKeyFrame KeyTime="0" Value="1"/>
                                                        </DoubleAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[1].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#EAFFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[2].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#C6FFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[3].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#6BFFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                        <ColorAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="BackgroundGradient" Storyboard.TargetProperty="(Border.Background).(GradientBrush.GradientStops)[0].(GradientStop.Color)">
                                                            <SplineColorKeyFrame KeyTime="0" Value="#F4FFFFFF"/>
                                                        </ColorAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                                <VisualState x:Name="Disabled">
                                                    <Storyboard>
                                                        <DoubleAnimationUsingKeyFrames BeginTime="0" Duration="00:00:00.001" Storyboard.TargetName="DisabledVisual" Storyboard.TargetProperty="(UIElement.Opacity)">
                                                            <SplineDoubleKeyFrame KeyTime="0" Value="1"/>
                                                        </DoubleAnimationUsingKeyFrames>
                                                    </Storyboard>
                                                </VisualState>
                                            </VisualStateGroup>
                                        </VisualStateManager.VisualStateGroups>
                                        <Grid Height="18" HorizontalAlignment="Center" Margin="0" VerticalAlignment="Center" Width="19" Background="#11FFFFFF">
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="23*"/>
                                                <RowDefinition Height="19*"/>
                                                <RowDefinition Height="19*"/>
                                                <RowDefinition Height="19*"/>
                                            </Grid.RowDefinitions>
                                            <Grid.ColumnDefinitions>
                                                <ColumnDefinition Width="20*"/>
                                                <ColumnDefinition Width="20*"/>
                                                <ColumnDefinition Width="20*"/>
                                                <ColumnDefinition Width="20*"/>
                                            </Grid.ColumnDefinitions>
                                            <Border x:Name="Highlight" Margin="-1" Opacity="0" Grid.ColumnSpan="4" Grid.Row="0" Grid.RowSpan="4" BorderBrush="#FF6DBDD1" BorderThickness="1" CornerRadius="0,0,1,1"/>
                                            <Border x:Name="Background" Margin="0,-1,0,0" Opacity="1" Grid.ColumnSpan="4" Grid.Row="1" Grid.RowSpan="3" Background="#FF1F3B53" BorderBrush="#FFFFFFFF" BorderThickness="1" CornerRadius=".5"/>
                                            <Border x:Name="BackgroundGradient" Margin="0,-1,0,0" Opacity="1" Grid.ColumnSpan="4" Grid.Row="1" Grid.RowSpan="3" BorderBrush="#BF000000" BorderThickness="1" CornerRadius=".5">
                                                <Border.Background>
                                                    <LinearGradientBrush EndPoint=".7,1" StartPoint=".7,0">
                                                        <GradientStop Color="#FFFFFFFF" Offset="0"/>
                                                        <GradientStop Color="#F9FFFFFF" Offset="0.375"/>
                                                        <GradientStop Color="#E5FFFFFF" Offset="0.625"/>
                                                        <GradientStop Color="#C6FFFFFF" Offset="1"/>
                                                    </LinearGradientBrush>
                                                </Border.Background>
                                            </Border>
                                            <Rectangle StrokeThickness="1" Grid.ColumnSpan="4" Grid.RowSpan="2" Margin="0,0,0,2">
                                                <Rectangle.Stroke>
                                                    <LinearGradientBrush EndPoint="0.48,-1" StartPoint="0.48,1.25">
                                                        <GradientStop Color="#FF494949"/>
                                                        <GradientStop Color="#FF9F9F9F" Offset="1"/>
                                                    </LinearGradientBrush>
                                                </Rectangle.Stroke>
                                                <Rectangle.Fill>
                                                    <LinearGradientBrush EndPoint="0.3,-1.1" StartPoint="0.46,1.6">
                                                        <GradientStop Color="#FFBD4A40"/>
                                                        <GradientStop Color="#FFEAAFAF" Offset="1"/>
                                                    </LinearGradientBrush>
                                                </Rectangle.Fill>
                                            </Rectangle>
                                            <ContentPresenter Content="{TemplateBinding DataContext}" VerticalAlignment="Center" HorizontalAlignment="Center" Grid.ColumnSpan="4"  />
                                            <ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center" Grid.ColumnSpan="4" Content="{Binding SelectedDate.Day}" Grid.RowSpan="2" />
                                            <Border x:Name="DisabledVisual" Opacity="0" Grid.ColumnSpan="4" Grid.Row="0" Grid.RowSpan="4" BorderBrush="#B2FFFFFF" BorderThickness="1" CornerRadius="0,0,.5,.5"/>
                                        </Grid>
                                    </Grid>
                                </ControlTemplate>
                            </Grid.Resources>
                            <VisualStateManager.VisualStateGroups>
                                <VisualStateGroup x:Name="CommonStates">
                                    <VisualState x:Name="Normal"/>
                                    <VisualState x:Name="Disabled">
                                        <Storyboard>
                                            <DoubleAnimation Duration="0" Storyboard.TargetName="DisabledVisual" Storyboard.TargetProperty="Opacity" To="1"/>
                                        </Storyboard>
                                    </VisualState>
                                </VisualStateGroup>
                            </VisualStateManager.VisualStateGroups>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>
                            <primitives:DatePickerTextBox Visibility="Collapsed" x:Name="TextBox" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Padding="{TemplateBinding Padding}" Grid.Column="0" SelectionBackground="{TemplateBinding SelectionBackground}"/>
                            <Button x:Name="Button" Margin="2,0,2,0" Width="20" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Foreground="{TemplateBinding Foreground}" Template="{StaticResource DropDownButtonTemplate}" Grid.Column="1"/>
                            <Grid x:Name="DisabledVisual" IsHitTestVisible="False" Opacity="0" Grid.ColumnSpan="2">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="*"/>
                                    <ColumnDefinition Width="Auto"/>
                                </Grid.ColumnDefinitions>
                                <Rectangle Fill="#8CFFFFFF" RadiusX="1" RadiusY="1"/>
                                <Rectangle Fill="#8CFFFFFF" RadiusX="1" RadiusY="1" Height="18" Margin="2,0,2,0" Width="19" Grid.Column="1"/>
                            </Grid>
                            <Popup x:Name="Popup"/>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    
    </Application.Resources>
    

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