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osu-lazer/osu.Game/Graphics/UserInterfaceV2/LabelledDrawable.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.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Localisation;
using osu.Game.Graphics.Containers;
using osu.Game.Overlays;
using osuTK;
namespace osu.Game.Graphics.UserInterfaceV2
{
public abstract class LabelledDrawable<T> : CompositeDrawable
where T : Drawable
{
private float? fixedLabelWidth;
/// <summary>
/// The fixed width of the label of this <see cref="LabelledDrawable{T}"/>.
/// If <c>null</c>, the label portion will auto-size to its content.
/// Can be used in layout scenarios where several labels must match in length for the components to be aligned properly.
/// </summary>
public float? FixedLabelWidth
{
get => fixedLabelWidth;
set
{
if (fixedLabelWidth == value)
return;
fixedLabelWidth = value;
updateLabelWidth();
}
}
protected const float CONTENT_PADDING_VERTICAL = 10;
protected const float CONTENT_PADDING_HORIZONTAL = 15;
2022-05-20 13:34:33 +08:00
public const float CORNER_RADIUS = 15;
/// <summary>
/// The component that is being displayed.
/// </summary>
protected readonly T Component;
private readonly Box background;
private readonly GridContainer grid;
private readonly OsuTextFlowContainer labelText;
private readonly OsuTextFlowContainer descriptionText;
/// <summary>
/// Creates a new <see cref="LabelledComponent{T, U}"/>.
/// </summary>
/// <param name="padded">Whether the component should be padded or should be expanded to the bounds of this <see cref="LabelledComponent{T, U}"/>.</param>
protected LabelledDrawable(bool padded)
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
CornerRadius = CORNER_RADIUS;
Masking = true;
InternalChildren = new Drawable[]
{
background = new Box
{
RelativeSizeAxes = Axes.Both,
},
new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Direction = FillDirection.Vertical,
Padding = padded
? new MarginPadding { Horizontal = CONTENT_PADDING_HORIZONTAL, Vertical = CONTENT_PADDING_VERTICAL }
: new MarginPadding { Left = CONTENT_PADDING_HORIZONTAL },
Spacing = new Vector2(0, 12),
Children = new Drawable[]
{
grid = new GridContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Content = new[]
{
new Drawable[]
{
labelText = new OsuTextFlowContainer(s => s.Font = OsuFont.GetFont(weight: FontWeight.Bold))
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.CentreLeft,
AutoSizeAxes = Axes.Both,
Padding = new MarginPadding
{
Right = 20,
// ensure that the label is always vertically padded even if the component itself isn't.
// this may become an issue if the label is taller than the component.
Vertical = padded ? 0 : CONTENT_PADDING_VERTICAL
}
},
new Container
{
// top right works better when the vertical height of the component changes smoothly (avoids weird layout animations).
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight,
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Child = Component = CreateComponent().With(d =>
{
d.Anchor = Anchor.CentreRight;
d.Origin = Anchor.CentreRight;
})
}
},
},
RowDimensions = new[] { new Dimension(GridSizeMode.AutoSize) },
},
descriptionText = new OsuTextFlowContainer(s => s.Font = OsuFont.GetFont(size: 12, weight: FontWeight.Bold, italics: true))
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Padding = new MarginPadding { Bottom = padded ? 0 : CONTENT_PADDING_VERTICAL },
Alpha = 0,
}
}
}
};
updateLabelWidth();
}
private void updateLabelWidth()
{
if (fixedLabelWidth == null)
{
grid.ColumnDimensions = new[] { new Dimension(GridSizeMode.AutoSize) };
labelText.RelativeSizeAxes = Axes.None;
labelText.AutoSizeAxes = Axes.Both;
}
else
{
grid.ColumnDimensions = new[] { new Dimension(GridSizeMode.Absolute, fixedLabelWidth.Value) };
labelText.AutoSizeAxes = Axes.Y;
labelText.RelativeSizeAxes = Axes.X;
}
}
[BackgroundDependencyLoader(true)]
private void load(OverlayColourProvider? colourProvider, OsuColour osuColour)
{
background.Colour = colourProvider?.Background5 ?? Color4Extensions.FromHex(@"1c2125");
descriptionText.Colour = osuColour.Yellow;
}
public LocalisableString Label
{
set => labelText.Text = value;
}
public LocalisableString Description
{
set
{
descriptionText.Text = value;
if (!string.IsNullOrEmpty(value.ToString()))
descriptionText.Show();
else
descriptionText.Hide();
}
}
/// <summary>
/// Creates the component that should be displayed.
/// </summary>
/// <returns>The component.</returns>
protected abstract T CreateComponent();
}
}