danwalmsley
6 years ago
committed by
GitHub
GitHub
7 changed files with 249 additions and 89 deletions
@ -1,92 +1,180 @@ |
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<Styles xmlns="https://github.com/avaloniaui" |
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" |
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xmlns:converters="clr-namespace:Avalonia.Controls.Converters;assembly=Avalonia.Controls"> |
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<Style Selector="TreeViewItem"> |
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<Style.Resources> |
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<converters:MarginMultiplierConverter Indent="16" Left="True" x:Key="LeftMarginConverter" /> |
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</Style.Resources> |
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<Setter Property="Padding" Value="2"/> |
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<Setter Property="Background" Value="Transparent"/> |
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<Setter Property="Template"> |
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<ControlTemplate> |
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<StackPanel> |
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<Border Name="SelectionBorder" |
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Focusable="True" |
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Background="{TemplateBinding Background}" |
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BorderBrush="{TemplateBinding BorderBrush}" |
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BorderThickness="{TemplateBinding BorderThickness}" |
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TemplatedControl.IsTemplateFocusTarget="True"> |
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<Grid Name="PART_Header" |
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ColumnDefinitions="16, *" |
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Margin="{TemplateBinding Level, Mode=OneWay, Converter={StaticResource LeftMarginConverter}}" > |
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<ToggleButton Name="expander" |
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Focusable="False" |
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IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}"/> |
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<ContentPresenter Name="PART_HeaderPresenter" |
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Focusable="False" |
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Content="{TemplateBinding Header}" |
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HorizontalContentAlignment="{TemplateBinding HorizontalAlignment}" |
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Padding="{TemplateBinding Padding}" |
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Grid.Column="1"/> |
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</Grid> |
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</Border> |
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<ItemsPresenter Name="PART_ItemsPresenter" |
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IsVisible="{TemplateBinding IsExpanded}" |
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Items="{TemplateBinding Items}" |
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ItemsPanel="{TemplateBinding ItemsPanel}"/> |
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</StackPanel> |
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</ControlTemplate> |
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</Setter> |
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</Style> |
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|
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<Style Selector="TreeViewItem /template/ ToggleButton#expander"> |
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<Setter Property="Template"> |
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<ControlTemplate> |
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<Border Background="Transparent" |
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Width="14" |
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Height="12" |
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HorizontalAlignment="Center" |
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VerticalAlignment="Center"> |
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<Path Fill="{DynamicResource ThemeForegroundBrush}" |
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HorizontalAlignment="Center" |
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VerticalAlignment="Center" |
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Data="M 0 2 L 4 6 L 0 10 Z"/> |
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</Border> |
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</ControlTemplate> |
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</Setter> |
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</Style> |
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<Design.PreviewWith> |
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<Border Padding="20" |
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MinWidth="300"> |
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<TreeView> |
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<TreeViewItem Header="Level 1"> |
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<TreeViewItem Header="Level 2.1"> |
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<TreeViewItem Header="Level 3.1" /> |
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<TreeViewItem Header="Level 3.2"> |
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<TreeViewItem Header="Level 4" /> |
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</TreeViewItem> |
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</TreeViewItem> |
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<TreeViewItem Header="Level 2.2" |
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IsEnabled="False" /> |
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</TreeViewItem> |
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</TreeView> |
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</Border> |
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</Design.PreviewWith> |
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|
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<Style Selector="TreeViewItem /template/ ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="Padding" Value="2"/> |
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</Style> |
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<Styles.Resources> |
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<x:Double x:Key="TreeViewItemIndent">16</x:Double> |
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<x:Double x:Key="TreeViewItemExpandCollapseChevronSize">12</x:Double> |
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<Thickness x:Key="TreeViewItemExpandCollapseChevronMargin">12, 0, 12, 0</Thickness> |
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<StreamGeometry x:Key="TreeViewItemCollapsedChevronPathData">M 1,0 10,10 l -9,10 -1,-1 L 8,10 -0,1 Z</StreamGeometry> |
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<StreamGeometry x:Key="TreeViewItemExpandedChevronPathData">M0,1 L10,10 20,1 19,0 10,8 1,0 Z</StreamGeometry> |
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<converters:MarginMultiplierConverter Indent="{StaticResource TreeViewItemIndent}" |
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Left="True" |
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x:Key="TreeViewItemLeftMarginConverter" /> |
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</Styles.Resources> |
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|
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<Style Selector="TreeViewItem /template/ Border#SelectionBorder:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource ThemeControlHighlightMidBrush}"/> |
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</Style> |
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<Style Selector="ToggleButton.ExpandCollapseChevron"> |
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<Setter Property="Margin" Value="0" /> |
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<Setter Property="Width" Value="{StaticResource TreeViewItemExpandCollapseChevronSize}" /> |
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<Setter Property="Height" Value="{StaticResource TreeViewItemExpandCollapseChevronSize}" /> |
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<Setter Property="Template"> |
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<ControlTemplate> |
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<Border Background="Transparent" |
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Width="{TemplateBinding Width}" |
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Height="{TemplateBinding Height}" |
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HorizontalAlignment="Center" |
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VerticalAlignment="Center"> |
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<Path x:Name="ChevronPath" |
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Fill="{DynamicResource TreeViewItemForeground}" |
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Stretch="Uniform" |
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HorizontalAlignment="Center" |
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VerticalAlignment="Center" /> |
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</Border> |
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</ControlTemplate> |
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</Setter> |
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</Style> |
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|
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<Style Selector="TreeViewItem:selected /template/ Border#SelectionBorder"> |
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<Setter Property="Background" Value="{DynamicResource ThemeAccentBrush4}"/> |
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</Style> |
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<Style Selector="TreeViewItem"> |
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<Style.Resources /> |
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<Setter Property="Padding" Value="0" /> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackground}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrush}" /> |
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<Setter Property="BorderThickness" Value="{DynamicResource TreeViewItemBorderThemeThickness}" /> |
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<Setter Property="Foreground" Value="{DynamicResource TreeViewItemForeground}" /> |
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<Setter Property="MinHeight" Value="{DynamicResource TreeViewItemMinHeight}" /> |
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<Setter Property="VerticalAlignment" Value="Center" /> |
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<Setter Property="Template"> |
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<ControlTemplate> |
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<StackPanel> |
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<Border Name="PART_LayoutRoot" |
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Classes="TreeViewItemLayoutRoot" |
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Focusable="True" |
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Background="{TemplateBinding Background}" |
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BorderBrush="{TemplateBinding BorderBrush}" |
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BorderThickness="{TemplateBinding BorderThickness}" |
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MinHeight="{TemplateBinding MinHeight}" |
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TemplatedControl.IsTemplateFocusTarget="True"> |
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<Grid Name="PART_Header" |
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ColumnDefinitions="Auto, *" |
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Margin="{TemplateBinding Level, Mode=OneWay, Converter={StaticResource TreeViewItemLeftMarginConverter}}"> |
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<Panel Name="PART_ExpandCollapseChevronContainer" |
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Margin="{StaticResource TreeViewItemExpandCollapseChevronMargin}"> |
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<ToggleButton Name="PART_ExpandCollapseChevron" |
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Classes="ExpandCollapseChevron" |
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Focusable="False" |
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IsChecked="{TemplateBinding IsExpanded, Mode=TwoWay}" /> |
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</Panel> |
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<ContentPresenter Name="PART_HeaderPresenter" |
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Grid.Column="1" |
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Focusable="False" |
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Content="{TemplateBinding Header}" |
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HorizontalAlignment="{TemplateBinding HorizontalAlignment}" |
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VerticalAlignment="{TemplateBinding VerticalAlignment}" |
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Margin="{TemplateBinding Padding}" /> |
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</Grid> |
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</Border> |
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<ItemsPresenter Name="PART_ItemsPresenter" |
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IsVisible="{TemplateBinding IsExpanded}" |
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Items="{TemplateBinding Items}" |
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ItemsPanel="{TemplateBinding ItemsPanel}" /> |
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</StackPanel> |
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</ControlTemplate> |
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</Setter> |
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</Style> |
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|
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<Style Selector="TreeViewItem:selected /template/ Border#SelectionBorder:focus"> |
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<Setter Property="Background" Value="{DynamicResource ThemeAccentBrush3}"/> |
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</Style> |
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<!-- PointerOver state --> |
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<Style Selector="TreeViewItem /template/ Border#PART_LayoutRoot:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundPointerOver}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushPointerOver}" /> |
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</Style> |
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<Style Selector="TreeViewItem /template/ Border#PART_LayoutRoot:pointerover > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundPointerOver}" /> |
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</Style> |
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|
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<Style Selector="TreeViewItem:selected /template/ Border#SelectionBorder:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource ThemeAccentBrush3}"/> |
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</Style> |
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<!-- Pressed state --> |
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<Style Selector="TreeViewItem:pressed /template/ Border#PART_LayoutRoot:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundPressed}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushPressed}" /> |
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</Style> |
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<Style Selector="TreeViewItem:pressed /template/ Border#PART_LayoutRoot:pointerover > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundPressed}" /> |
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</Style> |
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|
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<Style Selector="TreeViewItem:selected /template/ Border#SelectionBorder:pointerover:focus"> |
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<Setter Property="Background" Value="{DynamicResource ThemeAccentBrush2}"/> |
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</Style> |
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<!-- Disabled state --> |
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<Style Selector="TreeViewItem:disabled /template/ Border#PART_LayoutRoot"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundDisabled}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushDisabled}" /> |
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</Style> |
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<Style Selector="TreeViewItem:disabled /template/ Border#PART_LayoutRoot > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundDisabled}" /> |
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</Style> |
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|
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<Style Selector="TreeViewItem /template/ ToggleButton#expander:checked"> |
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<Setter Property="RenderTransform"> |
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<RotateTransform Angle="45"/> |
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</Setter> |
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</Style> |
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<!-- Selected state --> |
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<Style Selector="TreeViewItem:selected /template/ Border#PART_LayoutRoot"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelected}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushSelected}" /> |
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</Style> |
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<Style Selector="TreeViewItem:selected /template/ Border#PART_LayoutRoot > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundSelected}" /> |
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</Style> |
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|
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<!-- Selected PointerOver state --> |
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<Style Selector="TreeViewItem:selected /template/ Border#PART_LayoutRoot:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelectedPointerOver}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushSelectedPointerOver}" /> |
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</Style> |
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<Style Selector="TreeViewItem:selected /template/ Border#PART_LayoutRoot:pointerover > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundSelectedPointerOver}" /> |
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</Style> |
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|
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<!-- Selected Pressed state --> |
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<Style Selector="TreeViewItem:pressed:selected /template/ Border#PART_LayoutRoot:pointerover"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelectedPressed}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushSelectedPressed}" /> |
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</Style> |
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<Style Selector="TreeViewItem:pressed:selected /template/ Border#PART_LayoutRoot:pointerover > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundSelectedPressed}" /> |
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</Style> |
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|
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<!-- Disabled Selected state --> |
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<Style Selector="TreeViewItem:disabled:selected /template/ Border#PART_LayoutRoot"> |
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<Setter Property="Background" Value="{DynamicResource TreeViewItemBackgroundSelectedDisabled}" /> |
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<Setter Property="BorderBrush" Value="{DynamicResource TreeViewItemBorderBrushSelectedDisabled}" /> |
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</Style> |
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<Style Selector="TreeViewItem:disabled:selected /template/ Border#PART_LayoutRoot > ContentPresenter#PART_HeaderPresenter"> |
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<Setter Property="TextBlock.Foreground" Value="{DynamicResource TreeViewItemForegroundSelectedDisabled}" /> |
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</Style> |
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|
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<!-- ExpandCollapseChevron Group states --> |
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<Style Selector="ToggleButton.ExpandCollapseChevron /template/ Path#ChevronPath"> |
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<Setter Property="Data" Value="{StaticResource TreeViewItemCollapsedChevronPathData}" /> |
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</Style> |
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<Style Selector="ToggleButton.ExpandCollapseChevron:checked /template/ Path#ChevronPath"> |
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<Setter Property="Data" Value="{StaticResource TreeViewItemExpandedChevronPathData}" /> |
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</Style> |
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<Style Selector="TreeViewItem:empty /template/ ToggleButton#PART_ExpandCollapseChevron"> |
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<Setter Property="IsVisible" Value="False" /> |
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</Style> |
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<Style Selector="TreeViewItem:empty /template/ Panel#PART_ExpandCollapseChevronContainer"> |
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<Setter Property="Width" Value="{StaticResource TreeViewItemExpandCollapseChevronSize}" /> |
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</Style> |
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|
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<Style Selector="TreeViewItem:empty /template/ ToggleButton#expander"> |
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<Setter Property="IsVisible" Value="False"/> |
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</Style> |
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</Styles> |
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|
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