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Implement a basic CalendarDatePicker mimicking other pickers #521

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Merged
SKProCH merged 1 commit into from
Jun 30, 2026
Merged

Implement a basic CalendarDatePicker mimicking other pickers #521

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28 changes: 28 additions & 0 deletions Material.Avalonia.Demo/Pages/DateTimePickerDemo.axaml
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,34 @@
</StackPanel>
</StackPanel>

<TextBlock Classes="Headline6 Subheadline2" Text="CalendarDatePicker" />
<StackPanel Orientation="Horizontal">
<StackPanel Orientation="Vertical" VerticalAlignment="Bottom">
<TextBlock Text="{Binding #CalendarDatePicker0.SelectedDate, FallbackValue=Not selected}" />
<showMeTheXaml:XamlDisplay UniqueId="CalendarDatePicker0">
<CalendarDatePicker Name="CalendarDatePicker0" />
</showMeTheXaml:XamlDisplay>
</StackPanel>

<StackPanel Orientation="Vertical" VerticalAlignment="Bottom">
<TextBlock Text="{Binding #CalendarDatePicker1.SelectedDate}" />
<showMeTheXaml:XamlDisplay UniqueId="CalendarDatePicker1">
<CalendarDatePicker Name="CalendarDatePicker1"
assists:TextFieldAssist.Label="This is a date actually"
SelectedDate="09/26/2021" />
</showMeTheXaml:XamlDisplay>
</StackPanel>

<StackPanel Orientation="Vertical" VerticalAlignment="Bottom">
<TextBlock Text="With watermark" />
<showMeTheXaml:XamlDisplay UniqueId="CalendarDatePicker2">
<CalendarDatePicker Name="CalendarDatePicker2"
UseFloatingPlaceholder="True"
PlaceholderText="Pick a day" />
</showMeTheXaml:XamlDisplay>
</StackPanel>
</StackPanel>

<TextBlock Classes="Headline6 Subheadline2" Text="TimePicker" />
<StackPanel Orientation="Horizontal">
<StackPanel Orientation="Vertical" VerticalAlignment="Bottom">
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1 change: 1 addition & 0 deletions Material.Styles/MaterialToolKit.xaml
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Expand Up @@ -34,6 +34,7 @@
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/ButtonSpinner.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/Calendar.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/CalendarButton.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/CalendarDatePicker.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/CalendarDayButton.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/CalendarItem.axaml" />
<ResourceInclude Source="avares://Material.Styles/Resources/Themes/Carousel.axaml" />
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92 changes: 92 additions & 0 deletions Material.Styles/Resources/Themes/CalendarDatePicker.axaml
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@@ -0,0 +1,92 @@
<ResourceDictionary xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:assists="clr-namespace:Material.Styles.Assists"
xmlns:controls="clr-namespace:Material.Styles.Controls">
<Design.PreviewWith>
<StackPanel Margin="20 20 200 600" Spacing="16">
<CalendarDatePicker />
<CalendarDatePicker SelectedDate="2026-06-30" assists:TextFieldAssist.Label="Birthday" />
<CalendarDatePicker IsEnabled="False" assists:TextFieldAssist.Label="Disabled" />
</StackPanel>
</Design.PreviewWith>

<ControlTheme x:Key="MaterialCalendarDatePicker" TargetType="CalendarDatePicker">
<Setter Property="Background" Value="Transparent" />
<Setter Property="BorderBrush" Value="Transparent" />
<Setter Property="BorderThickness" Value="0" />
<Setter Property="Padding" Value="0" />
<Setter Property="MinWidth" Value="120" />
<Setter Property="HorizontalAlignment" Value="Left" />
<Setter Property="VerticalAlignment" Value="Center" />
<Setter Property="HorizontalContentAlignment" Value="Stretch" />
<Setter Property="VerticalContentAlignment" Value="Center" />
<Setter Property="assists:TextFieldAssist.Label" Value="Date" />

<Setter Property="Template">
<ControlTemplate>
<DataValidationErrors>
<Panel>
<!-- TODO: Make TextBox writeable -->
<!-- TODO: allow use different text boxes style-->
<TextBox Name="PART_TextBox"
assists:TextFieldAssist.Label="{TemplateBinding assists:TextFieldAssist.Label}"
Foreground="{TemplateBinding Foreground}"
PlaceholderText="{TemplateBinding PlaceholderText}"
UseFloatingPlaceholder="{TemplateBinding UseFloatingPlaceholder}"
HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}"
VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}">
<TextBox.InnerRightContent>
<Button Name="PART_Button"
Theme="{StaticResource MaterialFlatButton}"
Focusable="False"
Width="36" Height="36"
Padding="0"
Margin="8 8 8 6"
Foreground="{DynamicResource MaterialBodyBrush}">
<controls:MaterialInternalIcon Kind="Calendar"
Width="20"
Height="20" />
</Button>
</TextBox.InnerRightContent>
</TextBox>
<Panel Name="PART_PopupContainer">
<Popup Name="PART_Popup"
PlacementTarget="{TemplateBinding}"
IsLightDismissEnabled="True"
VerticalOffset="-16">
<controls:Card Name="PART_Card" Padding="0" Margin="8">
<Calendar Name="PART_Calendar"
FirstDayOfWeek="{TemplateBinding FirstDayOfWeek}"
IsTodayHighlighted="{TemplateBinding IsTodayHighlighted}"
SelectedDate="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=SelectedDate, Mode=TwoWay}"
DisplayDate="{TemplateBinding DisplayDate}"
DisplayDateStart="{TemplateBinding DisplayDateStart}"
DisplayDateEnd="{TemplateBinding DisplayDateEnd}" />
</controls:Card>
</Popup>
</Panel>
</Panel>
</DataValidationErrors>
</ControlTemplate>
</Setter>

<Style Selector="^ /template/ Panel#PART_PopupContainer">
<Setter Property="Margin" Value="-8" />
</Style>

<Style Selector="^ /template/ TextBox#PART_TextBox">
<Setter Property="Margin" Value="0" />
<Setter Property="IsReadOnly" Value="True" />
</Style>

<!-- Disabled State -->
<Style Selector="^:disabled /template/ Button#PART_Button">
<Setter Property="Foreground" Value="{DynamicResource MaterialBodyBrush}" />
<Setter Property="Opacity" Value="0.38" />
</Style>
</ControlTheme>

<!-- Default theme -->
<ControlTheme x:Key="{x:Type CalendarDatePicker}" TargetType="CalendarDatePicker"
BasedOn="{StaticResource MaterialCalendarDatePicker}" />
</ResourceDictionary>