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WIP: layout with new panel.

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This commit is contained in:
rabbitism
2024-01-04 20:33:42 +08:00
parent 1d6d8feaec
commit 66bc512ae2
7 changed files with 250 additions and 47 deletions
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83
src/Ursa/Controls/Timeline/TimelineItem.cs
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@@ -1,6 +1,7 @@
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.Metadata;
using Avalonia.Controls.Presenters;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Data;
@@ -9,11 +10,30 @@ using Avalonia.Media;
namespace Ursa.Controls;
[PseudoClasses(PC_First, PC_Last, PC_EmptyIcon)]
[TemplatePart(PART_Header, typeof(ContentPresenter))]
[TemplatePart(PART_Icon, typeof(ContentPresenter))]
[TemplatePart(PART_Content, typeof(ContentPresenter))]
[TemplatePart(PART_Time, typeof(TextBlock))]
[TemplatePart(PART_RootGrid, typeof(Grid))]
public class TimelineItem: HeaderedContentControl
{
public const string PC_First = ":first";
public const string PC_Last = ":last";
public const string PC_EmptyIcon = ":empty-icon";
public const string PC_AllLeft=":all-left";
public const string PC_AllRight=":all-right";
public const string PC_Separate = ":separate";
public const string PART_Header = "PART_Header";
public const string PART_Icon = "PART_Icon";
public const string PART_Content = "PART_Content";
public const string PART_Time = "PART_Time";
public const string PART_RootGrid = "PART_RootGrid";
private ContentPresenter? _headerPresenter;
private ContentPresenter? _iconPresenter;
private ContentPresenter? _contentPresenter;
private TextBlock? _timePresenter;
private Grid? _rootGrid;
public static readonly StyledProperty<object?> IconProperty = AvaloniaProperty.Register<TimelineItem, object?>(
nameof(Icon));
@@ -41,6 +61,15 @@ public class TimelineItem: HeaderedContentControl
get => GetValue(TypeProperty);
set => SetValue(TypeProperty, value);
}
public static readonly StyledProperty<TimelineItemDisplayMode> ModeProperty = AvaloniaProperty.Register<TimelineItem, TimelineItemDisplayMode>(
nameof(Mode), defaultValue: TimelineItemDisplayMode.Right);
public TimelineItemDisplayMode Mode
{
get => GetValue(ModeProperty);
set => SetValue(ModeProperty, value);
}
public static readonly DirectProperty<TimelineItem, double> LeftWidthProperty = AvaloniaProperty.RegisterDirect<TimelineItem, double>(
nameof(LeftWidth), o => o.LeftWidth, (o, v) => o.LeftWidth = v);
@@ -69,9 +98,53 @@ public class TimelineItem: HeaderedContentControl
set => SetAndRaise(RightWidthProperty, ref _rightWidth, value);
}
public static readonly StyledProperty<DateTime> TimeProperty = AvaloniaProperty.Register<TimelineItem, DateTime>(
nameof(Time));
public DateTime Time
{
get => GetValue(TimeProperty);
set => SetValue(TimeProperty, value);
}
public static readonly StyledProperty<string?> TimeFormatProperty = AvaloniaProperty.Register<TimelineItem, string?>(
nameof(TimeFormat));
public string? TimeFormat
{
get => GetValue(TimeFormatProperty);
set => SetValue(TimeFormatProperty, value);
}
static TimelineItem()
{
IconProperty.Changed.AddClassHandler<TimelineItem, object?>((item, args) => { item.OnIconChanged(args); });
ModeProperty.Changed.AddClassHandler<TimelineItem, TimelineItemDisplayMode>((item, args) => { item.OnModeChanged(args); });
AffectsMeasure<TimelineItem>(LeftWidthProperty, RightWidthProperty, IconWidthProperty);
}
private void OnModeChanged(AvaloniaPropertyChangedEventArgs<TimelineItemDisplayMode> args)
{
SetMode(args.NewValue.Value);
}
private void SetMode(TimelineItemDisplayMode mode)
{
PseudoClasses.Set(PC_AllLeft, mode == TimelineItemDisplayMode.Left);
PseudoClasses.Set(PC_AllRight, mode == TimelineItemDisplayMode.Right);
PseudoClasses.Set(PC_Separate, mode == TimelineItemDisplayMode.Separate);
}
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
PseudoClasses.Set(PC_EmptyIcon, Icon is null);
_headerPresenter = e.NameScope.Find<ContentPresenter>(PART_Header);
_iconPresenter = e.NameScope.Find<ContentPresenter>(PART_Icon);
_contentPresenter = e.NameScope.Find<ContentPresenter>(PART_Content);
_timePresenter = e.NameScope.Find<TextBlock>(PART_Time);
_rootGrid = e.NameScope.Find<Grid>(PART_RootGrid);
SetMode(Mode);
}
private void OnIconChanged(AvaloniaPropertyChangedEventArgs<object?> args)
@@ -84,4 +157,14 @@ public class TimelineItem: HeaderedContentControl
PseudoClasses.Set(PC_First, start);
PseudoClasses.Set(PC_Last, end);
}
internal (double?, double?, double?, double?) GetWidth()
{
return (_headerPresenter?.Bounds.Width, _contentPresenter?.Bounds.Width, _iconPresenter?.Bounds.Width, _timePresenter?.Bounds.Width);
}
internal void SetWidth(double? header, double? content, double? icon, double? time)
{
_rootGrid.ColumnDefinitions[0].Width = new GridLength(200);
}
}