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osu-lazer/osu.Game/Rulesets/Edit/ExpandableButton.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Localisation;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterfaceV2;
namespace osu.Game.Rulesets.Edit
{
internal class ExpandableButton : RoundedButton, IExpandable
{
private float actualHeight;
public override float Height
{
get => base.Height;
set => base.Height = actualHeight = value;
}
private LocalisableString contractedLabelText;
/// <summary>
/// The label text to display when this button is in a contracted state.
/// </summary>
public LocalisableString ContractedLabelText
{
get => contractedLabelText;
set
{
if (value == contractedLabelText)
return;
contractedLabelText = value;
if (!Expanded.Value)
Text = value;
}
}
private LocalisableString expandedLabelText;
/// <summary>
/// The label text to display when this button is in an expanded state.
/// </summary>
public LocalisableString ExpandedLabelText
{
get => expandedLabelText;
set
{
if (value == expandedLabelText)
return;
expandedLabelText = value;
if (Expanded.Value)
Text = value;
}
}
public BindableBool Expanded { get; } = new BindableBool();
[Resolved(canBeNull: true)]
private IExpandingContainer? expandingContainer { get; set; }
protected override void LoadComplete()
{
base.LoadComplete();
expandingContainer?.Expanded.BindValueChanged(containerExpanded =>
{
Expanded.Value = containerExpanded.NewValue;
}, true);
Expanded.BindValueChanged(expanded =>
{
Text = expanded.NewValue ? expandedLabelText : contractedLabelText;
if (expanded.NewValue)
{
SpriteText.Anchor = Anchor.Centre;
SpriteText.Origin = Anchor.Centre;
SpriteText.Font = OsuFont.GetFont(weight: FontWeight.Bold);
base.Height = actualHeight;
Background.Show();
}
else
{
SpriteText.Anchor = Anchor.CentreLeft;
SpriteText.Origin = Anchor.CentreLeft;
SpriteText.Font = OsuFont.GetFont(weight: FontWeight.Regular);
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base.Height = actualHeight / 2;
Background.Hide();
}
}, true);
}
}
}