osu/osu.Game/Overlays/Settings/SettingsItem.cs

213 lines
6.6 KiB
C#

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.Collections.Generic;
using osu.Framework.Allocation;
using OpenTK.Graphics;
using osu.Framework.Configuration;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.EventArgs;
using osu.Framework.Input.States;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using OpenTK;
namespace osu.Game.Overlays.Settings
{
public abstract class SettingsItem<T> : Container, IFilterable
{
protected abstract Drawable CreateControl();
protected Drawable Control { get; }
private IHasCurrentValue<T> controlWithCurrent => Control as IHasCurrentValue<T>;
protected override Container<Drawable> Content => FlowContent;
protected readonly FillFlowContainer FlowContent;
private SpriteText text;
private readonly RestoreDefaultValueButton restoreDefaultButton;
public bool ShowsDefaultIndicator = true;
public virtual string LabelText
{
get { return text?.Text ?? string.Empty; }
set
{
if (text == null)
{
// construct lazily for cases where the label is not needed (may be provided by the Control).
Add(text = new OsuSpriteText());
FlowContent.SetLayoutPosition(text, -1);
}
text.Text = value;
}
}
// hold a reference to the provided bindable so we don't have to in every settings section.
private Bindable<T> bindable;
public virtual Bindable<T> Bindable
{
get { return bindable; }
set
{
bindable = value;
controlWithCurrent?.Current.BindTo(bindable);
if (ShowsDefaultIndicator)
{
restoreDefaultButton.Bindable = bindable.GetBoundCopy();
restoreDefaultButton.Bindable.TriggerChange();
}
}
}
public IEnumerable<string> FilterTerms => new[] { LabelText };
public bool MatchingFilter
{
set
{
// probably needs a better transition.
this.FadeTo(value ? 1 : 0);
}
}
protected SettingsItem()
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Padding = new MarginPadding { Right = SettingsOverlay.CONTENT_MARGINS };
InternalChildren = new Drawable[]
{
restoreDefaultButton = new RestoreDefaultValueButton(),
FlowContent = new FillFlowContainer
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Padding = new MarginPadding { Left = SettingsOverlay.CONTENT_MARGINS },
Child = Control = CreateControl()
},
};
}
[BackgroundDependencyLoader]
private void load()
{
if (controlWithCurrent != null)
controlWithCurrent.Current.DisabledChanged += disabled => { Colour = disabled ? Color4.Gray : Color4.White; };
}
private class RestoreDefaultValueButton : Container, IHasTooltip
{
private Bindable<T> bindable;
public Bindable<T> Bindable
{
get { return bindable; }
set
{
bindable = value;
bindable.ValueChanged += newValue => UpdateState();
bindable.DisabledChanged += disabled => UpdateState();
}
}
private Color4 buttonColour;
private bool hovering;
public RestoreDefaultValueButton()
{
RelativeSizeAxes = Axes.Y;
Width = SettingsOverlay.CONTENT_MARGINS;
Alpha = 0f;
}
[BackgroundDependencyLoader]
private void load(OsuColour colour)
{
buttonColour = colour.Yellow;
Child = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
CornerRadius = 3,
Masking = true,
Colour = buttonColour,
EdgeEffect = new EdgeEffectParameters
{
Colour = buttonColour.Opacity(0.1f),
Type = EdgeEffectType.Glow,
Radius = 2,
},
Size = new Vector2(0.33f, 0.8f),
Child = new Box { RelativeSizeAxes = Axes.Both },
};
}
protected override void LoadComplete()
{
base.LoadComplete();
UpdateState();
}
public string TooltipText => "Revert to default";
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args) => true;
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args) => true;
protected override bool OnClick(InputState state)
{
if (bindable != null && !bindable.Disabled)
bindable.SetDefault();
return true;
}
protected override bool OnHover(InputState state)
{
hovering = true;
UpdateState();
return false;
}
protected override void OnHoverLost(InputState state)
{
hovering = false;
UpdateState();
}
public void SetButtonColour(Color4 buttonColour)
{
this.buttonColour = buttonColour;
UpdateState();
}
public void UpdateState()
{
if (bindable == null)
return;
this.FadeTo(bindable.IsDefault ? 0f :
hovering && !bindable.Disabled ? 1f : 0.65f, 200, Easing.OutQuint);
this.FadeColour(bindable.Disabled ? Color4.Gray : buttonColour, 200, Easing.OutQuint);
}
}
}
}