Estilos e modelos DatePicker
Este tópico descreve os estilos e modelos para o DatePicker controle. Você pode modificar o padrão ControlTemplate para dar ao controle uma aparência exclusiva. Para obter mais informações, consulte Criar um modelo para um controle.
Partes de DatePicker
A tabela a seguir lista as partes nomeadas para o DatePicker controle.
| Parte | Tipo | Descrição |
|---|---|---|
| PART_Root | Grid | A raiz do controle. |
| PART_Button | Button | O botão que abre e fecha o Calendar. |
| PART_TextBox | DatePickerTextBox | Caixa de texto que permite inserir uma data. |
| PART_Popup | Popup | O pop-up para o DatePicker controle. |
Estados de DatePicker
A tabela a seguir lista os estados visuais do DatePicker controle.
| Nome do VisualState | Nome do VisualStateGroup | Descrição |
|---|---|---|
| Normal | CommonStates | O estado padrão. |
| Desabilitadas | CommonStates | O DatePicker está desabilitado. |
| Válido | ValidationStates | O controle usa a classe e a Validation propriedade anexada Validation.HasError é false. |
| InvalidFocused | ValidationStates | A Validation.HasError propriedade anexada é true tem o controle tem foco. |
| InvalidUnfocused | ValidationStates | A Validation.HasError propriedade anexada é true tem o controle não tem foco. |
Partes de DatePickerTextBox
A tabela a seguir lista as partes nomeadas para o DatePickerTextBox controle.
| Parte | Tipo | Descrição |
|---|---|---|
| PART_Watermark | ContentControl | O elemento que contém o texto inicial no DatePicker. |
| PART_ContentElement | FrameworkElement | Um elemento visual que pode conter um FrameworkElementarquivo . O texto do TextBox é exibido neste elemento. |
Estados de DatePickerTextBox
A tabela a seguir lista os estados visuais do DatePickerTextBox controle.
| Nome do VisualState | Nome do VisualStateGroup | Descrição |
|---|---|---|
| Normal | CommonStates | O estado padrão. |
| Desabilitadas | CommonStates | O DatePickerTextBox está desabilitado. |
| MouseOver | CommonStates | O ponteiro do mouse é posicionado sobre o DatePickerTextBox. |
| ReadOnly (somente-leitura) | CommonStates | O usuário não pode alterar o texto no DatePickerTextBox. |
| Focalizado | FocusStates | O controle tem foco. |
| Sem foco | FocusStates | O controle não tem foco. |
| Com marca-d'água | WatermarkStates | O controle exibe seu texto inicial. O DatePickerTextBox está no estado em que o usuário não inseriu texto ou selecionou uma data. |
| Sem marca-d'água | WatermarkStates | O usuário inseriu DatePickerTextBox texto no ou selecionou uma data no DatePicker. |
| Válido | ValidationStates | O controle usa a classe e a Validation propriedade anexada Validation.HasError é false. |
| InvalidFocused | ValidationStates | A Validation.HasError propriedade anexada é true e o controle tem foco. |
| InvalidUnfocused | ValidationStates | A Validation.HasError propriedade anexada é true e o controle não tem foco. |
Exemplo de ControlTemplate de DatePicker
O exemplo a seguir mostra como definir um ControlTemplate para o DatePicker controle.
<!--In this example, an implecit style for Calendar is defined elsewhere
in the application. DatePickerCalendarStyle is based on the implicit
style so that the DatePicker will use the application's calendar style.-->
<Style x:Key="DatePickerCalendarStyle"
TargetType="{x:Type Calendar}"
BasedOn="{StaticResource {x:Type Calendar}}" />
<!--The template for the button that displays the calendar.-->
<Style x:Key="DropDownButtonStyle"
TargetType="Button">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type 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>
<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>
<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>
<ColorAnimation Duration="0"
To="#FF448DCA"
Storyboard.TargetProperty="(Border.Background).
(SolidColorBrush.Color)"
Storyboard.TargetName="Background" />
<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>
</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.TargetProperty="(UIElement.Opacity)"
Storyboard.TargetName="Highlight">
<SplineDoubleKeyFrame KeyTime="0"
Value="1" />
</DoubleAnimationUsingKeyFrames>
<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>
<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>
</Storyboard>
</VisualState>
<VisualState x:Name="Disabled" />
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid Background="#11FFFFFF"
FlowDirection="LeftToRight"
HorizontalAlignment="Center"
Height="18"
Margin="0"
VerticalAlignment="Center"
Width="19">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="20*" />
<ColumnDefinition Width="20*" />
<ColumnDefinition Width="20*" />
<ColumnDefinition Width="20*" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="23*" />
<RowDefinition Height="19*" />
<RowDefinition Height="19*" />
<RowDefinition Height="19*" />
</Grid.RowDefinitions>
<Border x:Name="Highlight"
BorderThickness="1"
Grid.ColumnSpan="4"
CornerRadius="0,0,1,1"
Margin="-1"
Opacity="1"
Grid.Row="0"
Grid.RowSpan="4">
<Border.BorderBrush>
<SolidColorBrush Color="{DynamicResource ControlPressedColor}" />
</Border.BorderBrush>
</Border>
<Border x:Name="Background"
BorderBrush="#FFFFFFFF"
BorderThickness="1"
Grid.ColumnSpan="4"
CornerRadius=".5"
Margin="0,-1,0,0"
Opacity="1"
Grid.Row="1"
Grid.RowSpan="3">
<Border.Background>
<SolidColorBrush Color="{DynamicResource ControlDarkColor}" />
</Border.Background>
</Border>
<Border x:Name="BackgroundGradient"
BorderBrush="#BF000000"
BorderThickness="1"
Grid.ColumnSpan="4"
CornerRadius=".5"
Margin="0,-1,0,0"
Opacity="1"
Grid.Row="1"
Grid.RowSpan="3">
<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 Grid.ColumnSpan="4"
Grid.RowSpan="1"
StrokeThickness="1">
<Rectangle.Fill>
<LinearGradientBrush EndPoint="0,1"
StartPoint="0,0">
<GradientStop Color="{DynamicResource HeaderTopColor}" />
<GradientStop Color="{DynamicResource ControlMediumColor}"
Offset="1" />
</LinearGradientBrush>
</Rectangle.Fill>
<Rectangle.Stroke>
<LinearGradientBrush EndPoint="0.48,-1"
StartPoint="0.48,1.25">
<GradientStop Color="#FF494949" />
<GradientStop Color="#FF9F9F9F"
Offset="1" />
</LinearGradientBrush>
</Rectangle.Stroke>
</Rectangle>
<Path Fill="#FF2F2F2F"
Grid.Row="1"
Grid.Column="0"
Grid.RowSpan="3"
Grid.ColumnSpan="4"
HorizontalAlignment="Center"
VerticalAlignment="Center"
RenderTransformOrigin="0.5,0.5"
Margin="4,3,4,3"
Stretch="Fill"
Data="M11.426758,8.4305077 L11.749023,8.4305077
L11.749023,16.331387 L10.674805,16.331387
L10.674805,10.299648 L9.0742188,11.298672
L9.0742188,10.294277 C9.4788408,10.090176
9.9094238,9.8090878 10.365967,9.4510155
C10.82251,9.0929432 11.176106,8.7527733
11.426758,8.4305077 z M14.65086,8.4305077
L18.566387,8.4305077 L18.566387,9.3435936
L15.671368,9.3435936 L15.671368,11.255703
C15.936341,11.058764 16.27293,10.960293
16.681133,10.960293 C17.411602,10.960293
17.969301,11.178717 18.354229,11.615566
C18.739157,12.052416 18.931622,12.673672
18.931622,13.479336 C18.931622,15.452317
18.052553,16.438808 16.294415,16.438808
C15.560365,16.438808 14.951641,16.234707
14.468243,15.826504 L14.881817,14.929531
C15.368796,15.326992 15.837872,15.525723
16.289043,15.525723 C17.298809,15.525723
17.803692,14.895514 17.803692,13.635098
C17.803692,12.460618 17.305971,11.873379
16.310528,11.873379 C15.83071,11.873379
15.399232,12.079271 15.016094,12.491055
L14.65086,12.238613 z" />
<Ellipse Grid.ColumnSpan="4"
Fill="#FFFFFFFF"
HorizontalAlignment="Center"
Height="3"
StrokeThickness="0"
VerticalAlignment="Center"
Width="3" />
<Border x:Name="DisabledVisual"
BorderBrush="#B2FFFFFF"
BorderThickness="1"
Grid.ColumnSpan="4"
CornerRadius="0,0,.5,.5"
Opacity="0"
Grid.Row="0"
Grid.RowSpan="4" />
</Grid>
</Grid>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="{x:Type DatePicker}">
<Setter Property="Foreground"
Value="#FF333333" />
<Setter Property="IsTodayHighlighted"
Value="True" />
<Setter Property="SelectedDateFormat"
Value="Short" />
<Setter Property="Padding"
Value="2" />
<Setter Property="BorderThickness"
Value="1" />
<Setter Property="HorizontalContentAlignment"
Value="Stretch" />
<!--Set CalendarStyle to DatePickerCalendarStyle.-->
<Setter Property="CalendarStyle"
Value="{DynamicResource DatePickerCalendarStyle}" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type DatePicker}">
<Border BorderThickness="{TemplateBinding BorderThickness}"
Padding="{TemplateBinding Padding}">
<Border.BorderBrush>
<LinearGradientBrush EndPoint="0.5,1"
StartPoint="0.5,0">
<GradientStop Color="{DynamicResource BorderLightColor}"
Offset="0" />
<GradientStop Color="{DynamicResource BorderDarkColor}"
Offset="1" />
</LinearGradientBrush>
</Border.BorderBrush>
<Border.Background>
<LinearGradientBrush EndPoint="0.5,1"
StartPoint="0.5,0">
<GradientStop Color="{DynamicResource HeaderTopColor}"
Offset="0" />
<GradientStop Color="{DynamicResource ControlMediumColor}"
Offset="1" />
</LinearGradientBrush>
</Border.Background>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="Disabled">
<Storyboard>
<DoubleAnimation Duration="0"
To="1"
Storyboard.TargetProperty="Opacity"
Storyboard.TargetName="PART_DisabledVisual" />
</Storyboard>
</VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
<Grid x:Name="PART_Root"
HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalAlignment="{TemplateBinding VerticalContentAlignment}">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Button x:Name="PART_Button"
Grid.Column="1"
Foreground="{TemplateBinding Foreground}"
Focusable="False"
HorizontalAlignment="Left"
Margin="3,0,3,0"
Grid.Row="0"
Style="{StaticResource DropDownButtonStyle}"
VerticalAlignment="Top" />
<DatePickerTextBox x:Name="PART_TextBox"
Grid.Column="0"
Foreground="{TemplateBinding Foreground}"
Focusable="{TemplateBinding Focusable}"
HorizontalContentAlignment="Stretch"
Grid.Row="0"
VerticalContentAlignment="Stretch" />
<Grid x:Name="PART_DisabledVisual"
Grid.ColumnSpan="2"
Grid.Column="0"
IsHitTestVisible="False"
Opacity="0"
Grid.Row="0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*" />
<ColumnDefinition Width="Auto" />
</Grid.ColumnDefinitions>
<Rectangle Grid.Column="0"
Fill="#A5FFFFFF"
RadiusY="1"
Grid.Row="0"
RadiusX="1" />
<Rectangle Grid.Column="1"
Fill="#A5FFFFFF"
Height="18"
Margin="3,0,3,0"
RadiusY="1"
Grid.Row="0"
RadiusX="1"
Width="19" />
<Popup x:Name="PART_Popup"
AllowsTransparency="True"
Placement="Bottom"
PlacementTarget="{Binding ElementName=PART_TextBox}"
StaysOpen="False" />
</Grid>
</Grid>
</Border>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
O exemplo anterior usa um ou mais dos seguintes recursos.
<!--Control colors.-->
<Color x:Key="WindowColor">#FFE8EDF9</Color>
<Color x:Key="ContentAreaColorLight">#FFC5CBF9</Color>
<Color x:Key="ContentAreaColorDark">#FF7381F9</Color>
<Color x:Key="DisabledControlLightColor">#FFE8EDF9</Color>
<Color x:Key="DisabledControlDarkColor">#FFC5CBF9</Color>
<Color x:Key="DisabledForegroundColor">#FF888888</Color>
<Color x:Key="SelectedBackgroundColor">#FFC5CBF9</Color>
<Color x:Key="SelectedUnfocusedColor">#FFDDDDDD</Color>
<Color x:Key="ControlLightColor">White</Color>
<Color x:Key="ControlMediumColor">#FF7381F9</Color>
<Color x:Key="ControlDarkColor">#FF211AA9</Color>
<Color x:Key="ControlMouseOverColor">#FF3843C4</Color>
<Color x:Key="ControlPressedColor">#FF211AA9</Color>
<Color x:Key="GlyphColor">#FF444444</Color>
<Color x:Key="GlyphMouseOver">sc#1, 0.004391443, 0.002428215, 0.242281124</Color>
<!--Border colors-->
<Color x:Key="BorderLightColor">#FFCCCCCC</Color>
<Color x:Key="BorderMediumColor">#FF888888</Color>
<Color x:Key="BorderDarkColor">#FF444444</Color>
<Color x:Key="PressedBorderLightColor">#FF888888</Color>
<Color x:Key="PressedBorderDarkColor">#FF444444</Color>
<Color x:Key="DisabledBorderLightColor">#FFAAAAAA</Color>
<Color x:Key="DisabledBorderDarkColor">#FF888888</Color>
<Color x:Key="DefaultBorderBrushDarkColor">Black</Color>
<!--Control-specific resources.-->
<Color x:Key="HeaderTopColor">#FFC5CBF9</Color>
<Color x:Key="DatagridCurrentCellBorderColor">Black</Color>
<Color x:Key="SliderTrackDarkColor">#FFC5CBF9</Color>
<Color x:Key="NavButtonFrameColor">#FF3843C4</Color>
<LinearGradientBrush x:Key="MenuPopupBrush"
EndPoint="0.5,1"
StartPoint="0.5,0">
<GradientStop Color="{DynamicResource ControlLightColor}"
Offset="0" />
<GradientStop Color="{DynamicResource ControlMediumColor}"
Offset="0.5" />
<GradientStop Color="{DynamicResource ControlLightColor}"
Offset="1" />
</LinearGradientBrush>
<LinearGradientBrush x:Key="ProgressBarIndicatorAnimatedFill"
StartPoint="0,0"
EndPoint="1,0">
<LinearGradientBrush.GradientStops>
<GradientStopCollection>
<GradientStop Color="#000000FF"
Offset="0" />
<GradientStop Color="#600000FF"
Offset="0.4" />
<GradientStop Color="#600000FF"
Offset="0.6" />
<GradientStop Color="#000000FF"
Offset="1" />
</GradientStopCollection>
</LinearGradientBrush.GradientStops>
</LinearGradientBrush>
Para ver o exemplo completo, consulte Styling with ControlTemplates Sample (Estilos com a amostra ControlTemplates).
Confira também
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