PsUi

1.1.0

private/Controls/Get-UiDataGridCheckBoxStyle.ps1

                                function Get-UiDataGridCheckBoxStyle {

    <#

    .SYNOPSIS

        Themed CheckBox style for DataGrid bool cells, centred in the cell.

    #>

    [CmdletBinding()]

    param()

    $iconFontName = [PsUi.ModuleContext]::ActiveIconFontName

    if ($null -eq $script:_CheckBoxStyleCache) { $script:_CheckBoxStyleCache = @{} }

    if ($script:_CheckBoxStyleCache.ContainsKey($iconFontName)) { return $script:_CheckBoxStyleCache[$iconFontName] }

    $xaml = @"

<ControlTemplate xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

                 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

                 TargetType="CheckBox">

    <Border x:Name="checkBoxBorder"

            Width="18"

            Height="18"

            Background="{DynamicResource ControlBackgroundBrush}"

            BorderBrush="{DynamicResource BorderBrush}"

            BorderThickness="1.5"

            CornerRadius="3"

            HorizontalAlignment="Center"

            VerticalAlignment="Center">

        <Grid>

            <TextBlock x:Name="checkMark"

                       Text="&#xE73E;"

                       FontFamily="$iconFontName"

                       FontSize="9"

                       Margin="-2,0,0,0"

                       Foreground="{DynamicResource AccentBrush}"

                       HorizontalAlignment="Center"

                       VerticalAlignment="Center"

                       Visibility="Collapsed"/>

            <Border x:Name="indeterminateMark"

                    Width="8"

                    Height="8"

                    Background="{DynamicResource AccentBrush}"

                    CornerRadius="1"

                    HorizontalAlignment="Center"

                    VerticalAlignment="Center"

                    Visibility="Collapsed"/>

        </Grid>

    </Border>

    <ControlTemplate.Triggers>

        <Trigger Property="IsChecked" Value="True">

            <Setter TargetName="checkMark" Property="Visibility" Value="Visible"/>

            <Setter TargetName="checkBoxBorder" Property="Background" Value="{DynamicResource AccentBrush}"/>

            <Setter TargetName="checkBoxBorder" Property="BorderBrush" Value="{DynamicResource AccentBrush}"/>

            <Setter TargetName="checkMark" Property="Foreground" Value="{DynamicResource AccentHeaderForegroundBrush}"/>

        </Trigger>

        <Trigger Property="IsChecked" Value="False">

            <Setter TargetName="checkMark" Property="Visibility" Value="Collapsed"/>

            <Setter TargetName="checkBoxBorder" Property="Background" Value="{DynamicResource ControlBackgroundBrush}"/>

            <Setter TargetName="checkBoxBorder" Property="BorderBrush" Value="{DynamicResource BorderBrush}"/>

        </Trigger>

        <Trigger Property="IsChecked" Value="{x:Null}">

            <Setter TargetName="checkMark" Property="Visibility" Value="Collapsed"/>

            <Setter TargetName="indeterminateMark" Property="Visibility" Value="Visible"/>

        </Trigger>

        <DataTrigger Binding="{Binding RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}, AncestorLevel=1}, Path=IsSelected, FallbackValue=False}" Value="True">

            <Setter TargetName="checkBoxBorder" Property="BorderBrush" Value="{DynamicResource SelectionTextBrush}"/>

        </DataTrigger>

        <MultiDataTrigger>

            <MultiDataTrigger.Conditions>

                <Condition Binding="{Binding RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}, AncestorLevel=1}, Path=IsSelected, FallbackValue=False}" Value="True"/>

                <Condition Binding="{Binding RelativeSource={RelativeSource Self}, Path=IsChecked}" Value="True"/>

            </MultiDataTrigger.Conditions>

            <Setter TargetName="checkBoxBorder" Property="Background" Value="{DynamicResource SelectionTextBrush}"/>

            <Setter TargetName="checkMark" Property="Foreground" Value="{DynamicResource AccentBrush}"/>

        </MultiDataTrigger>

    </ControlTemplate.Triggers>

</ControlTemplate>

"@

    $template = [System.Windows.Markup.XamlReader]::Parse($xaml)

    $style = [System.Windows.Style]::new([System.Windows.Controls.CheckBox])

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::TemplateProperty, $template))

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::HorizontalAlignmentProperty, [System.Windows.HorizontalAlignment]::Center))

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::VerticalAlignmentProperty, [System.Windows.VerticalAlignment]::Center))

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::FontFamilyProperty, [System.Windows.Media.FontFamily]::new('Segoe UI')))

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::FontSizeProperty, [double]12))

    [void]$style.Setters.Add([System.Windows.Setter]::new([System.Windows.Controls.CheckBox]::CursorProperty, [System.Windows.Input.Cursors]::Hand))

    $script:_CheckBoxStyleCache[$iconFontName] = $style

    return $style

}