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Refactor MonthDropdown to decouple autosized logic

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This commit is contained in:
Andrei Zavatski 2021-05-12 20:50:20 +03:00
parent 13a956f6fc
commit 315a2b8314
1 changed files with 69 additions and 53 deletions
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122
osu.Game/Overlays/News/Sidebar/MonthDropdown.cs
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@ -20,85 +20,37 @@ namespace osu.Game.Overlays.News.Sidebar
{
public class MonthDropdown : CompositeDrawable
{
private const int header_height = 15;
private const int animation_duration = 250;
public readonly BindableBool IsOpen = new BindableBool();
private readonly FillFlowContainer postsFlow;
public MonthDropdown(int month, int year, IEnumerable<APINewsPost> posts)
{
Debug.Assert(posts.All(p => p.PublishedAt.Month == month && p.PublishedAt.Year == year));
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Masking = true;
InternalChild = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5),
Children = new Drawable[]
{
new DropdownHeader(month, year)
{
IsOpen = { BindTarget = IsOpen }
},
postsFlow = new FillFlowContainer
new PostsContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5),
IsOpen = { BindTarget = IsOpen },
Children = posts.Select(p => new PostButton(p)).ToArray()
}
}
};
}
protected override void LoadComplete()
{
base.LoadComplete();
IsOpen.BindValueChanged(open =>
{
ClearTransforms();
if (open.NewValue)
{
AutoSizeAxes = Axes.Y;
postsFlow.FadeIn(animation_duration, Easing.OutQuint);
}
else
{
AutoSizeAxes = Axes.None;
this.ResizeHeightTo(header_height, animation_duration, Easing.OutQuint);
postsFlow.FadeOut(animation_duration, Easing.OutQuint);
}
}, true);
// First state change should be instant.
FinishTransforms(true);
}
private bool shouldUpdateAutosize = true;
// Workaround to allow the dropdown to be opened immediately since FinishTransforms doesn't work for AutosizeDuration.
protected override void UpdateAfterAutoSize()
{
base.UpdateAfterAutoSize();
if (shouldUpdateAutosize)
{
AutoSizeDuration = animation_duration;
AutoSizeEasing = Easing.OutQuint;
shouldUpdateAutosize = false;
}
}
private class DropdownHeader : OsuClickableContainer
{
public readonly BindableBool IsOpen = new BindableBool();
@ -110,7 +62,7 @@ namespace osu.Game.Overlays.News.Sidebar
var date = new DateTime(year, month, 1);
RelativeSizeAxes = Axes.X;
Height = header_height;
Height = 15;
Action = IsOpen.Toggle;
Children = new Drawable[]
{
@ -152,7 +104,6 @@ namespace osu.Game.Overlays.News.Sidebar
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Child = text = new TextFlowContainer(t => t.Font = OsuFont.GetFont(size: 12))
{
RelativeSizeAxes = Axes.X,
@ -169,5 +120,70 @@ namespace osu.Game.Overlays.News.Sidebar
Action = () => { }; // Avoid button being disabled since there's no proper action assigned.
}
}
private class PostsContainer : Container
{
public readonly BindableBool IsOpen = new BindableBool();
protected override Container<Drawable> Content => content;
private readonly FillFlowContainer content;
public PostsContainer()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
InternalChild = content = new FillFlowContainer
{
Margin = new MarginPadding { Top = 5 },
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Spacing = new Vector2(0, 5)
};
}
protected override void LoadComplete()
{
base.LoadComplete();
IsOpen.BindValueChanged(open =>
{
ClearTransforms();
if (open.NewValue)
{
AutoSizeAxes = Axes.Y;
content.FadeIn(animation_duration, Easing.OutQuint);
}
else
{
AutoSizeAxes = Axes.None;
this.ResizeHeightTo(0, animation_duration, Easing.OutQuint);
content.FadeOut(animation_duration, Easing.OutQuint);
}
}, true);
// First state change should be instant.
FinishTransforms(true);
}
private bool shouldUpdateAutosize = true;
// Workaround to allow the dropdown to be opened immediately since FinishTransforms doesn't work for AutosizeDuration.
protected override void UpdateAfterAutoSize()
{
base.UpdateAfterAutoSize();
if (shouldUpdateAutosize)
{
AutoSizeDuration = animation_duration;
AutoSizeEasing = Easing.OutQuint;
shouldUpdateAutosize = false;
}
}
}
}
}