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feat: maxCount.

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This commit is contained in:
Zhang Dian
2024-06-23 22:01:01 +08:00
parent c49be02e82
commit 29dab32b92
3 changed files with 31 additions and 12 deletions
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2
demo/Ursa.Demo/Pages/AvatarDemo.axaml
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@@ -65,7 +65,7 @@
<u:Avatar Classes="ExtraLarge" />
</StackPanel>
<StackPanel Orientation="Horizontal">
<u:AvatarGroup>
<u:AvatarGroup MaxCount="3">
<u:Avatar Classes="Red" Content="LL" />
<u:Avatar Classes="" Content="CX" />
<u:Avatar Classes="Amber" Content="RM" />

4
src/Ursa/Controls/Avatar/AvatarGroup.cs
View File

@@ -10,14 +10,14 @@ public class AvatarGroup : ItemsControl
private static readonly FuncTemplate<Panel?> DefaultPanel = new(() => new AvatarGroupPanel());
public static readonly StyledProperty<int> MaxCountProperty = AvaloniaProperty.Register<AvatarGroup, int>(
public static readonly StyledProperty<int?> MaxCountProperty = AvaloniaProperty.Register<AvatarGroup, int?>(
nameof(MaxCount));
public static readonly StyledProperty<OverlapFromType> OverlapFromProperty =
AvaloniaProperty.Register<AvatarGroup, OverlapFromType>(
nameof(OverlapFrom), defaultValue: OverlapFromType.Start);
public int MaxCount
public int? MaxCount
{
get => GetValue(MaxCountProperty);
set => SetValue(MaxCountProperty, value);

37
src/Ursa/Controls/Avatar/AvatarGroupPanel.cs
View File

@@ -11,16 +11,19 @@ public class AvatarGroupPanel : Panel
Size size = new Size();
availableSize = availableSize.WithWidth(double.PositiveInfinity);
var children = Children;
if (children.Count > 0)
if (children.Count <= 0) return size;
children[0].Measure(availableSize);
Size first = children[0].DesiredSize;
var group = this.GetLogicalAncestors().OfType<AvatarGroup>().FirstOrDefault();
var count = children.Count;
if (group?.MaxCount is not null && group.MaxCount >= 0)
{
children[0].Measure(availableSize);
Size first = children[0].DesiredSize;
var width = first.Width + first.Width * (children.Count - 1) * 0.75;
size = size.WithWidth(width);
size = size.WithHeight(first.Height);
count = group.MaxCount.Value + 1;
}
size = size.WithWidth(size.Width);
var width = first.Width + first.Width * (count - 1) * 0.75;
size = size.WithWidth(width);
size = size.WithHeight(first.Height);
return size;
}
@@ -28,10 +31,18 @@ public class AvatarGroupPanel : Panel
{
Rect rect = new Rect(finalSize);
double num = 0d;
var children = Children;
var group = this.GetLogicalAncestors().OfType<AvatarGroup>().FirstOrDefault();
var overlapFrom = group?.OverlapFrom;
var children = Children;
for (var i = 0; i < children.Count; i++)
int? maxCount = null;
var count = children.Count;
if (group?.MaxCount is not null && group.MaxCount >= 0)
{
maxCount = group.MaxCount;
count = maxCount.Value + 1;
}
for (var i = 0; i < count; i++)
{
if (overlapFrom is OverlapFromType.Start)
{
@@ -49,6 +60,14 @@ public class AvatarGroupPanel : Panel
children[i].Arrange(rect);
}
if (maxCount is not null && children.Count > 0)
{
if (children[maxCount.Value] is Avatar avatar)
{
avatar.Content = $"+{children.Count - maxCount}";
}
}
return finalSize;
}
}