misc: re-organize code.

This commit is contained in:
rabbitism
2024-09-06 23:31:34 +08:00
parent 747bfc4695
commit c678d82d6b
3 changed files with 207 additions and 243 deletions

View File

@@ -16,127 +16,66 @@ using Irihi.Avalonia.Shared.Helpers;
namespace Ursa.Controls;
/// <summary>
/// Navigation Menu Item
/// Navigation Menu Item
/// </summary>
[PseudoClasses(PC_Highlighted, PC_HorizontalCollapsed, PC_VerticalCollapsed, PC_FirstLevel, PC_Selector)]
public class NavMenuItem: HeaderedItemsControl
public class NavMenuItem : HeaderedItemsControl
{
public const string PC_Highlighted = ":highlighted";
public const string PC_FirstLevel = ":first-level";
public const string PC_HorizontalCollapsed = ":horizontal-collapsed";
public const string PC_VerticalCollapsed = ":vertical-collapsed";
public const string PC_Selector = ":selector";
private NavMenu? _rootMenu;
private Popup? _popup;
private Panel? _overflowPanel;
private static readonly Point InvalidPoint = new (double.NaN, double.NaN);
private Point _pointerDownPoint = InvalidPoint;
private static readonly Point InvalidPoint = new(double.NaN, double.NaN);
public static readonly StyledProperty<object?> IconProperty = AvaloniaProperty.Register<NavMenuItem, object?>(
nameof(Icon));
public object? Icon
{
get => GetValue(IconProperty);
set => SetValue(IconProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty = AvaloniaProperty.Register<NavMenuItem, IDataTemplate?>(
nameof(IconTemplate));
public IDataTemplate? IconTemplate
{
get => GetValue(IconTemplateProperty);
set => SetValue(IconTemplateProperty, value);
}
public static readonly StyledProperty<IDataTemplate?> IconTemplateProperty =
AvaloniaProperty.Register<NavMenuItem, IDataTemplate?>(
nameof(IconTemplate));
public static readonly StyledProperty<ICommand?> CommandProperty = Button.CommandProperty.AddOwner<NavMenuItem>();
public ICommand? Command
{
get => GetValue(CommandProperty);
set => SetValue(CommandProperty, value);
}
public static readonly StyledProperty<object?> CommandParameterProperty =
Button.CommandParameterProperty.AddOwner<NavMenuItem>();
public object? CommandParameter
{
get => GetValue(CommandParameterProperty);
set => SetValue(CommandParameterProperty, value);
}
public static readonly StyledProperty<bool> IsSelectedProperty =
SelectingItemsControl.IsSelectedProperty.AddOwner<NavMenuItem>();
public bool IsSelected
{
get => GetValue(IsSelectedProperty);
set => SetValue(IsSelectedProperty, value);
}
public static readonly RoutedEvent<RoutedEventArgs> IsSelectedChangedEvent = RoutedEvent.Register<SelectingItemsControl, RoutedEventArgs>("IsSelectedChanged", RoutingStrategies.Bubble);
private bool _isHighlighted;
public static readonly RoutedEvent<RoutedEventArgs> IsSelectedChangedEvent =
RoutedEvent.Register<SelectingItemsControl, RoutedEventArgs>("IsSelectedChanged", RoutingStrategies.Bubble);
public static readonly DirectProperty<NavMenuItem, bool> IsHighlightedProperty =
AvaloniaProperty.RegisterDirect<NavMenuItem, bool>(
nameof(IsHighlighted), o => o.IsHighlighted, (o, v) => o.IsHighlighted = v,
defaultBindingMode: BindingMode.TwoWay);
public bool IsHighlighted
{
get => _isHighlighted;
private set => SetAndRaise(IsHighlightedProperty, ref _isHighlighted, value);
}
public static readonly StyledProperty<bool> IsHorizontalCollapsedProperty =
NavMenu.IsHorizontalCollapsedProperty.AddOwner<NavMenuItem>();
public bool IsHorizontalCollapsed
{
get => GetValue(IsHorizontalCollapsedProperty);
set => SetValue(IsHorizontalCollapsedProperty, value);
}
public static readonly StyledProperty<bool> IsVerticalCollapsedProperty = AvaloniaProperty.Register<NavMenuItem, bool>(
nameof(IsVerticalCollapsed));
public bool IsVerticalCollapsed
{
get => GetValue(IsVerticalCollapsedProperty);
set => SetValue(IsVerticalCollapsedProperty, value);
}
public static readonly StyledProperty<bool> IsVerticalCollapsedProperty =
AvaloniaProperty.Register<NavMenuItem, bool>(
nameof(IsVerticalCollapsed));
public static readonly StyledProperty<double> SubMenuIndentProperty =
NavMenu.SubMenuIndentProperty.AddOwner<NavMenuItem>();
public double SubMenuIndent
{
get => GetValue(SubMenuIndentProperty);
set => SetValue(SubMenuIndentProperty, value);
}
internal static readonly DirectProperty<NavMenuItem, int> LevelProperty = AvaloniaProperty.RegisterDirect<NavMenuItem, int>(
nameof(Level), o => o.Level, (o, v) => o.Level = v);
private int _level;
public int Level
{
get => _level;
set => SetAndRaise(LevelProperty, ref _level, value);
}
internal static readonly DirectProperty<NavMenuItem, int> LevelProperty =
AvaloniaProperty.RegisterDirect<NavMenuItem, int>(
nameof(Level), o => o.Level, (o, v) => o.Level = v);
public static readonly StyledProperty<bool> IsSeparatorProperty = AvaloniaProperty.Register<NavMenuItem, bool>(
nameof(IsSeparator));
public bool IsSeparator
{
get => GetValue(IsSeparatorProperty);
set => SetValue(IsSeparatorProperty, value);
}
private bool _isHighlighted;
private int _level;
private Panel? _overflowPanel;
private Point _pointerDownPoint = InvalidPoint;
private Popup? _popup;
private NavMenu? _rootMenu;
static NavMenuItem()
{
@@ -152,21 +91,81 @@ public class NavMenuItem: HeaderedItemsControl
item.OnIsHorizontalCollapsedChanged(args));
}
public object? Icon
{
get => GetValue(IconProperty);
set => SetValue(IconProperty, value);
}
public IDataTemplate? IconTemplate
{
get => GetValue(IconTemplateProperty);
set => SetValue(IconTemplateProperty, value);
}
public ICommand? Command
{
get => GetValue(CommandProperty);
set => SetValue(CommandProperty, value);
}
public object? CommandParameter
{
get => GetValue(CommandParameterProperty);
set => SetValue(CommandParameterProperty, value);
}
public bool IsSelected
{
get => GetValue(IsSelectedProperty);
set => SetValue(IsSelectedProperty, value);
}
public bool IsHighlighted
{
get => _isHighlighted;
private set => SetAndRaise(IsHighlightedProperty, ref _isHighlighted, value);
}
public bool IsHorizontalCollapsed
{
get => GetValue(IsHorizontalCollapsedProperty);
set => SetValue(IsHorizontalCollapsedProperty, value);
}
public bool IsVerticalCollapsed
{
get => GetValue(IsVerticalCollapsedProperty);
set => SetValue(IsVerticalCollapsedProperty, value);
}
public double SubMenuIndent
{
get => GetValue(SubMenuIndentProperty);
set => SetValue(SubMenuIndentProperty, value);
}
public int Level
{
get => _level;
set => SetAndRaise(LevelProperty, ref _level, value);
}
public bool IsSeparator
{
get => GetValue(IsSeparatorProperty);
set => SetValue(IsSeparatorProperty, value);
}
private void OnIsHorizontalCollapsedChanged(AvaloniaPropertyChangedEventArgs<bool> args)
{
if (args.NewValue.Value)
{
if (this.ItemsPanelRoot is OverflowStackPanel s)
{
s.MoveChildrenToOverflowPanel();
}
if (ItemsPanelRoot is OverflowStackPanel s) s.MoveChildrenToOverflowPanel();
}
else
{
if (this.ItemsPanelRoot is OverflowStackPanel s)
{
s.MoveChildrenToMainPanel();
}
if (ItemsPanelRoot is OverflowStackPanel s) s.MoveChildrenToMainPanel();
}
}
@@ -184,7 +183,7 @@ public class NavMenuItem: HeaderedItemsControl
{
return new NavMenuItem();
}
protected override void OnAttachedToVisualTree(VisualTreeAttachmentEventArgs e)
{
base.OnAttachedToVisualTree(e);
@@ -194,7 +193,7 @@ public class NavMenuItem: HeaderedItemsControl
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
SetCurrentValue(LevelProperty,CalculateDistanceFromLogicalParent<NavMenu>(this));
SetCurrentValue(LevelProperty, CalculateDistanceFromLogicalParent<NavMenu>(this));
_popup = e.NameScope.Find<Popup>("PART_Popup");
_overflowPanel = e.NameScope.Find<Panel>("PART_OverflowPanel");
if (_rootMenu is not null)
@@ -213,11 +212,8 @@ public class NavMenuItem: HeaderedItemsControl
protected override void OnLoaded(RoutedEventArgs e)
{
base.OnLoaded(e);
var root = this.ItemsPanelRoot;
if (root is OverflowStackPanel stack)
{
stack.OverflowPanel = _overflowPanel;
}
var root = ItemsPanelRoot;
if (root is OverflowStackPanel stack) stack.OverflowPanel = _overflowPanel;
}
protected override void OnPointerPressed(PointerPressedEventArgs e)
@@ -227,6 +223,7 @@ public class NavMenuItem: HeaderedItemsControl
e.Handled = true;
return;
}
base.OnPointerPressed(e);
if (e.Handled) return;
@@ -235,7 +232,7 @@ public class NavMenuItem: HeaderedItemsControl
or PointerUpdateKind.RightButtonPressed)) return;
if (p.Pointer.Type == PointerType.Mouse)
{
if (this.ItemCount == 0)
if (ItemCount == 0)
{
SelectItem(this);
Command?.Execute(CommandParameter);
@@ -243,7 +240,7 @@ public class NavMenuItem: HeaderedItemsControl
}
else
{
if (!IsHorizontalCollapsed)
if (!IsHorizontalCollapsed)
{
SetCurrentValue(IsVerticalCollapsedProperty, !IsVerticalCollapsed);
e.Handled = true;
@@ -252,13 +249,9 @@ public class NavMenuItem: HeaderedItemsControl
{
if (_popup is null || e.Source is not Visual v || _popup.IsInsidePopup(v)) return;
if (_popup.IsOpen)
{
_popup.Close();
}
else
{
_popup.Open();
}
}
}
}
@@ -276,7 +269,7 @@ public class NavMenuItem: HeaderedItemsControl
{
var point = e.GetCurrentPoint(this);
if (!new Rect(Bounds.Size).ContainsExclusive(point.Position) || e.Pointer.Type != PointerType.Touch) return;
if (this.ItemCount == 0)
if (ItemCount == 0)
{
SelectItem(this);
Command?.Execute(CommandParameter);
@@ -284,7 +277,7 @@ public class NavMenuItem: HeaderedItemsControl
}
else
{
if (!IsHorizontalCollapsed)
if (!IsHorizontalCollapsed)
{
SetCurrentValue(IsVerticalCollapsedProperty, !IsVerticalCollapsed);
e.Handled = true;
@@ -293,13 +286,9 @@ public class NavMenuItem: HeaderedItemsControl
{
if (_popup is null || e.Source is not Visual v || _popup.IsInsidePopup(v)) return;
if (_popup.IsOpen)
{
_popup.Close();
}
else
{
_popup.Open();
}
}
}
}
@@ -317,26 +306,21 @@ public class NavMenuItem: HeaderedItemsControl
SetCurrentValue(IsSelectedProperty, false);
SetCurrentValue(IsHighlightedProperty, true);
}
if (this.Parent is NavMenuItem menuItem)
if (Parent is NavMenuItem menuItem)
{
menuItem.SelectItem(item);
var items = menuItem.LogicalChildren.OfType<NavMenuItem>();
foreach (var child in items)
{
if (child != this)
{
child.ClearSelection();
}
}
}
else if (this.Parent is NavMenu menu)
else if (Parent is NavMenu menu)
{
menu.SelectItem(item, this);
}
if(_popup is not null)
{
_popup.Close();
}
if (_popup is not null) _popup.Close();
}
internal void ClearSelection()
@@ -344,12 +328,8 @@ public class NavMenuItem: HeaderedItemsControl
SetCurrentValue(IsHighlightedProperty, false);
SetCurrentValue(IsSelectedProperty, false);
foreach (var child in LogicalChildren)
{
if (child is NavMenuItem item)
{
item.ClearSelection();
}
}
}
private NavMenu? GetRootMenu()
@@ -357,40 +337,33 @@ public class NavMenuItem: HeaderedItemsControl
var root = this.FindAncestorOfType<NavMenu>() ?? this.FindLogicalAncestorOfType<NavMenu>();
return root;
}
private static int CalculateDistanceFromLogicalParent<T>(ILogical? logical, int @default = -1) where T : class
{
var result = 0;
while (logical != null && !(logical is T))
{
if (logical is NavMenuItem)
{
result++;
}
if (logical is NavMenuItem) result++;
logical = logical.LogicalParent;
}
return logical != null ? result : @default;
}
internal IEnumerable<NavMenuItem> GetLeafMenus()
{
if (this.ItemCount == 0)
if (ItemCount == 0)
{
yield return this;
yield break;
}
foreach (var child in LogicalChildren)
{
foreach (var child in LogicalChildren)
if (child is NavMenuItem item)
{
var items = item.GetLeafMenus();
foreach (var i in items)
{
yield return i;
}
foreach (var i in items) yield return i;
}
}
}
}