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feat: add inner contents.

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This commit is contained in:
rabbitism
2024-04-20 01:20:04 +08:00
parent 0dbe12fef1
commit f7a316340b
5 changed files with 257 additions and 125 deletions
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46
src/Ursa/Controls/ComboBox/TreeComboBox.cs
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@@ -12,14 +12,18 @@ using Avalonia.Metadata;
using Avalonia.VisualTree;
using Irihi.Avalonia.Shared.Common;
using Irihi.Avalonia.Shared.Contracts;
using Irihi.Avalonia.Shared.Helpers;
using Size = Avalonia.Size;
namespace Ursa.Controls;
[TemplatePart(PartNames.PART_Popup, typeof(Popup))]
[PseudoClasses(PC_DropdownOpen)]
public class TreeComboBox: ItemsControl, IClearControl, IInnerContentControl, IPopupInnerContent
{
public const string PC_DropdownOpen = ":dropdownopen";
private Popup? _popup;
private static readonly FuncTemplate<Panel?> DefaultPanel =
@@ -101,12 +105,49 @@ public class TreeComboBox: ItemsControl, IClearControl, IInnerContentControl, IP
get => _selectedItem;
set => SetAndRaise(SelectedItemProperty, ref _selectedItem, value);
}
public static readonly StyledProperty<object?> InnerLeftContentProperty = AvaloniaProperty.Register<TreeComboBox, object?>(
nameof(InnerLeftContent));
public object? InnerLeftContent
{
get => GetValue(InnerLeftContentProperty);
set => SetValue(InnerLeftContentProperty, value);
}
public static readonly StyledProperty<object?> InnerRightContentProperty = AvaloniaProperty.Register<TreeComboBox, object?>(
nameof(InnerRightContent));
public object? InnerRightContent
{
get => GetValue(InnerRightContentProperty);
set => SetValue(InnerRightContentProperty, value);
}
public static readonly StyledProperty<object?> PopupInnerTopContentProperty = AvaloniaProperty.Register<TreeComboBox, object?>(
nameof(PopupInnerTopContent));
public object? PopupInnerTopContent
{
get => GetValue(PopupInnerTopContentProperty);
set => SetValue(PopupInnerTopContentProperty, value);
}
public static readonly StyledProperty<object?> PopupInnerBottomContentProperty = AvaloniaProperty.Register<TreeComboBox, object?>(
nameof(PopupInnerBottomContent));
public object? PopupInnerBottomContent
{
get => GetValue(PopupInnerBottomContentProperty);
set => SetValue(PopupInnerBottomContentProperty, value);
}
static TreeComboBox()
{
ItemsPanelProperty.OverrideDefaultValue<TreeComboBox>(DefaultPanel);
FocusableProperty.OverrideDefaultValue<TreeComboBox>(true);
SelectedItemProperty.Changed.AddClassHandler<TreeComboBox, object?>((box, args) => box.OnSelectedItemChanged(args));
IsDropDownOpenProperty.AffectsPseudoClass<TreeComboBox>(PC_DropdownOpen);
}
private void OnSelectedItemChanged(AvaloniaPropertyChangedEventArgs<object?> args)
@@ -293,9 +334,4 @@ public class TreeComboBox: ItemsControl, IClearControl, IInnerContentControl, IP
{
SelectedItem = null;
}
public object? InnerLeftContent { get; set; }
public object? InnerRightContent { get; set; }
public object? PopupInnerTopContent { get; set; }
public object? PopupInnerBottomContent { get; set; }
}

11
src/Ursa/Converters/SelectionBoxTemplateConverter.cs
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@@ -6,11 +6,14 @@ namespace Ursa.Converters;
public class SelectionBoxTemplateConverter: IMultiValueConverter
{
public static SelectionBoxTemplateConverter Instance { get; } = new();
public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
{
var selectedItemTemplate = values.Count > 0 ? values[0] as IDataTemplate : null;
if (selectedItemTemplate is not null) return selectedItemTemplate;
var itemTemplate = values.Count > 1 ? values[1] as IDataTemplate : null;
return itemTemplate;
for (int i = 0; i < values.Count; i++)
{
if (values[i] is IDataTemplate template) return template;
}
return null;
}
}