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feat: WIP add a demo.

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This commit is contained in:
rabbitism
2024-03-24 17:00:34 +08:00
parent d91a17474c
commit b15d237056
7 changed files with 93 additions and 1 deletions
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14
demo/Ursa.Demo/Pages/MultiComboBoxDemo.axaml Normal file
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@@ -0,0 +1,14 @@
<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"
mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
xmlns:vm="using:Ursa.Demo.ViewModels"
xmlns:u="https://irihi.tech/ursa"
x:DataType="vm:MultiComboBoxDemoViewModel"
x:CompileBindings="True"
x:Class="Ursa.Demo.Pages.MultiComboBoxDemo">
<StackPanel>
<u:MultiComboBox ItemsSource="{Binding Items}"/>
</StackPanel>
</UserControl>

13
demo/Ursa.Demo/Pages/MultiComboBoxDemo.axaml.cs Normal file
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@@ -0,0 +1,13 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Markup.Xaml;
namespace Ursa.Demo.Pages;
public partial class MultiComboBoxDemo : UserControl
{
public MultiComboBoxDemo()
{
InitializeComponent();
}
}

1
demo/Ursa.Demo/ViewModels/MainViewViewModel.cs
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@@ -43,6 +43,7 @@ public class MainViewViewModel : ViewModelBase
MenuKeys.MenuKeyKeyGestureInput => new KeyGestureInputDemoViewModel(),
MenuKeys.MenuKeyLoading => new LoadingDemoViewModel(),
MenuKeys.MenuKeyMessageBox => new MessageBoxDemoViewModel(),
MenuKeys.MenuKeyMultiComboBox => new MultiComboBoxDemoViewModel(),
MenuKeys.MenuKeyNavMenu => new NavMenuDemoViewModel(),
MenuKeys.MenuKeyNumberDisplayer => new NumberDisplayerDemoViewModel(),
MenuKeys.MenuKeyNumericUpDown => new NumericUpDownDemoViewModel(),

2
demo/Ursa.Demo/ViewModels/MenuViewModel.cs
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@@ -30,6 +30,7 @@ public class MenuViewModel: ViewModelBase
new() { MenuHeader = "KeyGestureInput", Key = MenuKeys.MenuKeyKeyGestureInput },
new() { MenuHeader = "Loading", Key = MenuKeys.MenuKeyLoading },
new() { MenuHeader = "Message Box", Key = MenuKeys.MenuKeyMessageBox },
new() { MenuHeader = "MultiComboBox", Key = MenuKeys.MenuKeyMultiComboBox, Status = "New" },
new() { MenuHeader = "Nav Menu", Key = MenuKeys.MenuKeyNavMenu, Status = "Updated" },
// new() { MenuHeader = "Number Displayer", Key = MenuKeys.MenuKeyNumberDisplayer, Status = "New" },
new() { MenuHeader = "Numeric UpDown", Key = MenuKeys.MenuKeyNumericUpDown },
@@ -70,6 +71,7 @@ public static class MenuKeys
public const string MenuKeyKeyGestureInput = "KeyGestureInput";
public const string MenuKeyLoading = "Loading";
public const string MenuKeyMessageBox = "MessageBox";
public const string MenuKeyMultiComboBox = "MultiComboBox";
public const string MenuKeyNavMenu = "NavMenu";
public const string MenuKeyNumberDisplayer = "NumberDisplayer";
public const string MenuKeyNumericUpDown = "NumericUpDown";

30
demo/Ursa.Demo/ViewModels/MultiComboBoxDemoViewModel.cs Normal file
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@@ -0,0 +1,30 @@
using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
namespace Ursa.Demo.ViewModels;
public class MultiComboBoxDemoViewModel: ObservableObject
{
public ObservableCollection<string> Items { get; set; }
public MultiComboBoxDemoViewModel()
{
Items = new ObservableCollection<string>()
{
"Item 1",
"Item 2",
"Item 3",
"Item 4",
"Item 5",
"Item 6",
"Item 7",
"Item 8",
"Illinois",
"Indiana",
"Iowa",
"Kansas",
"Kentucky",
"Louisiana",
};
}
}

2
src/Ursa.Themes.Semi/Controls/MultiComboBox.axaml
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@@ -17,7 +17,7 @@
</ItemsControl>
</ToggleButton>
<Popup PlacementTarget="button" IsOpen="{Binding #button.IsChecked}">
<ListBox SelectionMode="Multiple" ItemsSource="{TemplateBinding ItemsSource}" SelectedItems="{TemplateBinding SelectedItems}">
<ListBox Name="{x:Static u:MultiComboBox.PART_ListBox}" SelectionMode="Multiple" ItemsSource="{TemplateBinding ItemsSource}" SelectedItems="{TemplateBinding SelectedItems}">
</ListBox>
</Popup>

32
src/Ursa/Controls/ComboBox/MultiComboBox.cs
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@@ -3,13 +3,18 @@ using System.Collections.ObjectModel;
using System.Collections.Specialized;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
namespace Ursa.Controls;
[TemplatePart( PART_ListBox, typeof(ListBox))]
public class MultiComboBox: SelectingItemsControl
{
public const string PART_ListBox = "PART_ListBox";
private ListBox? _listBox;
private static ITemplate<Panel?> _defaultPanel = new FuncTemplate<Panel?>(() => new VirtualizingStackPanel());
public static readonly StyledProperty<bool> IsDropDownOpenProperty =
@@ -20,6 +25,15 @@ public class MultiComboBox: SelectingItemsControl
get => GetValue(IsDropDownOpenProperty);
set => SetValue(IsDropDownOpenProperty, value);
}
public new static readonly StyledProperty<IList?> SelectedItemsProperty = AvaloniaProperty.Register<MultiComboBox, IList?>(
nameof(SelectedItems));
public new IList? SelectedItems
{
get => GetValue(SelectedItemsProperty);
set => SetValue(SelectedItemsProperty, value);
}
static MultiComboBox()
{
@@ -44,4 +58,22 @@ public class MultiComboBox: SelectingItemsControl
dropDownItem.BringIntoView();
}
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
_listBox = e.NameScope.Find<ListBox>(PART_ListBox);
if (_listBox != null)
{
_listBox.SelectionChanged += ListBox_SelectionChanged;
}
}
private void ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (sender == _listBox)
{
this.SelectedItems = _listBox.SelectedItems;
}
}
}