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misc: transfer TreeDataGrid demo.

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Zhang Dian
2025-04-15 20:05:54 +08:00
parent 471764f355
commit db24d4393b
19 changed files with 276 additions and 567 deletions
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127
demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml Normal file
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<UserControl xmlns="https://github.com/avaloniaui"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:vm="clr-namespace:Semi.Avalonia.Demo.ViewModels"
xmlns:converters="clr-namespace:Semi.Avalonia.Demo.Converters"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
x:Class="Semi.Avalonia.Demo.Pages.TreeDataGridDemo"
x:CompileBindings="True"
x:DataType="vm:TreeDataGridDemoViewModel">
<UserControl.Resources>
<converters:FileIconConverter x:Key="FileIconConverter">
<StaticResource x:Key="file" ResourceKey="SemiIconFile" />
<StaticResource x:Key="folderOpen" ResourceKey="SemiIconFolderOpen" />
<StaticResource x:Key="folderClosed" ResourceKey="SemiIconFolder" />
</converters:FileIconConverter>
</UserControl.Resources>
<TabControl>
<TabItem Header="Songs">
<TreeDataGrid
AutoDragDropRows="True"
DataContext="{Binding SongsContext}"
Source="{Binding Songs}">
<TreeDataGrid.Resources>
<DataTemplate x:Key="AlbumCell" DataType="vm:SongViewModel">
<TextBlock
HorizontalAlignment="Stretch"
VerticalAlignment="Center"
Background="Transparent"
Text="{Binding Album}" />
</DataTemplate>
<DataTemplate x:Key="AlbumEditCell" DataType="vm:SongViewModel">
<ComboBox
VerticalAlignment="Center"
Classes="Small"
ItemsSource="{x:Static vm:Song.Albums}"
SelectedItem="{Binding Album}" />
</DataTemplate>
<DataTemplate x:Key="CommentsCell" DataType="vm:SongViewModel">
<TextBlock VerticalAlignment="Center" Text="{Binding CountOfComment}" />
</DataTemplate>
<DataTemplate x:Key="CommentsEditCell" DataType="vm:SongViewModel">
<NumericUpDown
Width="100"
HorizontalAlignment="Left"
VerticalAlignment="Center"
Classes="Small"
Value="{Binding CountOfComment}" />
</DataTemplate>
</TreeDataGrid.Resources>
<TreeDataGrid.Styles>
<Style Selector="TreeDataGrid TreeDataGridRow:nth-last-child(2n)">
<Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
</Style>
</TreeDataGrid.Styles>
</TreeDataGrid>
</TabItem>
<TabItem Header="Files">
<Grid DataContext="{Binding FilesContext}" RowDefinitions="Auto, *">
<DockPanel Margin="0,4" DockPanel.Dock="Top">
<ComboBox
DockPanel.Dock="Left"
ItemsSource="{Binding Drives}"
SelectedItem="{Binding SelectedDrive}" />
<TextBox
Margin="4,0,0,0"
VerticalContentAlignment="Center"
KeyDown="SelectedPath_KeyDown"
Text="{Binding SelectedPath, Mode=OneWay}" />
</DockPanel>
<TreeDataGrid
Name="fileViewer"
Grid.Row="1"
Source="{Binding Source}">
<TreeDataGrid.Resources>
<!-- Template for Name column cells -->
<DataTemplate x:Key="FileNameCell" DataType="vm:FileNodeViewModel">
<StackPanel Orientation="Horizontal">
<PathIcon
Theme="{StaticResource InnerPathIcon}"
Margin="8,0">
<PathIcon.Data>
<MultiBinding Converter="{StaticResource FileIconConverter}">
<Binding Path="IsDirectory" />
<Binding Path="IsExpanded" />
</MultiBinding>
</PathIcon.Data>
</PathIcon>
<TextBlock VerticalAlignment="Center" Text="{Binding Name}" />
</StackPanel>
</DataTemplate>
<!-- Edit template for Name column cells -->
<DataTemplate x:Key="FileNameEditCell" DataType="vm:FileNodeViewModel">
<StackPanel Orientation="Horizontal">
<Image Margin="0,0,4,0" VerticalAlignment="Center">
<Image.Source>
<MultiBinding Converter="{StaticResource FileIconConverter}">
<Binding Path="IsDirectory" />
<Binding Path="IsExpanded" />
</MultiBinding>
</Image.Source>
</Image>
<TextBox
VerticalAlignment="Center"
Classes="Small"
Text="{Binding Name}">
<TextBox.Styles>
<Style Selector="DataValidationErrors">
<Setter Property="Theme" Value="{DynamicResource TooltipDataValidationErrors}" />
</Style>
</TextBox.Styles>
</TextBox>
</StackPanel>
</DataTemplate>
</TreeDataGrid.Resources>
<TreeDataGrid.Styles>
<Style Selector="TreeDataGrid TreeDataGridRow:nth-child(2n)">
<Setter Property="Background" Value="{DynamicResource SemiColorFill0}" />
</Style>
</TreeDataGrid.Styles>
</TreeDataGrid>
</Grid>
</TabItem>
</TabControl>
</UserControl>

23
demo/Semi.Avalonia.Demo/Pages/TreeDataGridDemo.axaml.cs Normal file
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using Avalonia.Controls;
using Avalonia.Input;
using Semi.Avalonia.Demo.ViewModels;
namespace Semi.Avalonia.Demo.Pages;
public partial class TreeDataGridDemo : UserControl
{
public TreeDataGridDemo()
{
InitializeComponent();
this.DataContext = new TreeDataGridDemoViewModel();
}
private void SelectedPath_KeyDown(object? sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
var vm = DataContext as TreeDataGridDemoViewModel;
vm.FilesContext.SelectedPath = (sender as TextBox)!.Text;
}
}
}