Estilos e Modelos do DatePicker
Este tópico descreve os estilos e modelos do controle DatePicker. Você pode modificar o ControlTemplate padrão 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 controle DatePicker.
| Parte | Tipo | Descrição |
|---|---|---|
| PART_Root | Grid | A raiz do controle. |
| PART_Button | Button | O botão que abre e fecha o Calendar. |
| PART_TextBox | DatePickerTextBox | A caixa de texto que permite que você insira uma data. |
| PART_Popup | Popup | O pop-up do controle DatePicker. |
Estados de DatePicker
A tabela a seguir lista os estados visuais do controle DatePicker.
| Nome do VisualState | Nome do VisualStateGroup | Descrição |
|---|---|---|
| Normal | CommonStates | O estado padrão. |
| Disabled | CommonStates | O DatePicker está desativado. |
| Válido | ValidationStates | O controle usa a classe Validation e a propriedade anexada Validation.HasError é false. |
| InvalidFocused | ValidationStates | A propriedade anexada Validation.HasError é true, pois o controle tem foco. |
| InvalidUnfocused | ValidationStates | A propriedade anexada Validation.HasError é true, pois que o controle não tem foco. |
Partes de DatePickerTextBox
A tabela a seguir lista as partes nomeadas para o controle DatePickerTextBox.
| 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 FrameworkElement. O texto do TextBox é exibido neste elemento. |
Estados de DatePickerTextBox
A tabela a seguir lista os estados visuais do controle DatePickerTextBox.
| Nome do VisualState | Nome do VisualStateGroup | Descrição |
|---|---|---|
| Normal | CommonStates | O estado padrão. |
| Disabled | CommonStates | O DatePickerTextBox está desativado. |
| MouseOver | CommonStates | O ponteiro do mouse está posicionado sobre o DatePickerTextBox. |
| ReadOnly | 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 quando o usuário não inseriu texto ou selecionou uma data. |
| Sem marca-d'água | WatermarkStates | O usuário inseriu texto no DatePickerTextBox ou selecionou uma data no DatePicker. |
| Válido | ValidationStates | O controle usa a classe Validation e a propriedade anexada Validation.HasError é false. |
| InvalidFocused | ValidationStates | A propriedade anexada Validation.HasError é true, e o controle tem foco. |
| InvalidUnfocused | ValidationStates | A propriedade anexada Validation.HasError é true e o controle não tem foco. |
Exemplo de DatePicker ControlTemplate
O exemplo a seguir mostra como definir um ControlTemplate para o controle DatePicker.
<!--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 recursos a seguir.
<!--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).
Consulte também
- Style
- ControlTemplate
- estilos e modelos de controle
- Personalização do controle
- Estilização e Criação de Templates
- Criar um modelo para um controle
Colaborar conosco no GitHub
A fonte deste conteúdo pode ser encontrada no GitHub, onde você também pode criar e revisar problemas e solicitações de pull. Para obter mais informações, confira o nosso guia para colaboradores.
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