mirror of
https://github.com/ppy/osu
synced 2024-12-10 17:12:57 +00:00
174 lines
6.3 KiB
C#
174 lines
6.3 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Localisation;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Graphics.Containers;
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using osuTK;
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namespace osu.Game.Overlays.Settings
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{
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public abstract class SettingsItem<T> : Container, IFilterable, ISettingsItem, IHasCurrentValue<T>, IHasTooltip
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{
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protected abstract Drawable CreateControl();
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protected Drawable Control { get; }
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private IHasCurrentValue<T> controlWithCurrent => Control as IHasCurrentValue<T>;
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protected override Container<Drawable> Content => FlowContent;
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protected readonly FillFlowContainer FlowContent;
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private SpriteText labelText;
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private OsuTextFlowContainer warningText;
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public bool ShowsDefaultIndicator = true;
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private readonly Container defaultValueIndicatorContainer;
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public LocalisableString TooltipText { get; set; }
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[Resolved]
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private OsuColour colours { get; set; }
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public virtual LocalisableString LabelText
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{
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get => labelText?.Text ?? string.Empty;
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set
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{
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if (labelText == null)
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{
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// construct lazily for cases where the label is not needed (may be provided by the Control).
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FlowContent.Insert(-1, labelText = new OsuSpriteText());
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updateDisabled();
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}
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labelText.Text = value;
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updateLayout();
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}
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}
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/// <summary>
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/// Text to be displayed at the bottom of this <see cref="SettingsItem{T}"/>.
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/// Generally used to recommend the user change their setting as the current one is considered sub-optimal.
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/// </summary>
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public LocalisableString? WarningText
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{
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set
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{
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bool hasValue = !string.IsNullOrWhiteSpace(value.ToString());
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if (warningText == null)
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{
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if (!hasValue)
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return;
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// construct lazily for cases where the label is not needed (may be provided by the Control).
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FlowContent.Add(warningText = new SettingsNoticeText(colours) { Margin = new MarginPadding { Bottom = 5 } });
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}
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warningText.Alpha = hasValue ? 1 : 0;
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warningText.Text = value.ToString(); // TODO: Remove ToString() call after TextFlowContainer supports localisation (see https://github.com/ppy/osu-framework/issues/4636).
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}
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}
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public virtual Bindable<T> Current
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{
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get => controlWithCurrent.Current;
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set => controlWithCurrent.Current = value;
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}
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public virtual IEnumerable<string> FilterTerms => Keywords == null ? new[] { LabelText.ToString() } : new List<string>(Keywords) { LabelText.ToString() }.ToArray();
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public IEnumerable<string> Keywords { get; set; }
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public bool MatchingFilter
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{
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set => Alpha = value ? 1 : 0;
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}
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public bool FilteringActive { get; set; }
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public event Action SettingChanged;
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protected SettingsItem()
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{
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RelativeSizeAxes = Axes.X;
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AutoSizeAxes = Axes.Y;
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Padding = new MarginPadding { Right = SettingsPanel.CONTENT_MARGINS };
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InternalChildren = new Drawable[]
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{
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defaultValueIndicatorContainer = new Container
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{
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Width = SettingsPanel.CONTENT_MARGINS,
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},
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new Container
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Padding = new MarginPadding { Left = SettingsPanel.CONTENT_MARGINS },
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Child = FlowContent = new FillFlowContainer
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Spacing = new Vector2(0, 10),
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Child = Control = CreateControl(),
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}
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}
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};
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// IMPORTANT: all bindable logic is in constructor intentionally to support "CreateSettingsControls" being used in a context it is
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// never loaded, but requires bindable storage.
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if (controlWithCurrent == null)
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throw new ArgumentException(@$"Control created via {nameof(CreateControl)} must implement {nameof(IHasCurrentValue<T>)}");
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controlWithCurrent.Current.ValueChanged += _ => SettingChanged?.Invoke();
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controlWithCurrent.Current.DisabledChanged += _ => updateDisabled();
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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// intentionally done before LoadComplete to avoid overhead.
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if (ShowsDefaultIndicator)
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{
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defaultValueIndicatorContainer.Add(new RestoreDefaultValueButton<T>
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{
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Current = controlWithCurrent.Current,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre
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});
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updateLayout();
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}
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}
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private void updateLayout()
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{
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bool hasLabel = labelText != null && !string.IsNullOrEmpty(labelText.Text.ToString());
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// if the settings item is providing a label, the default value indicator should be centred vertically to the left of the label.
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// otherwise, it should be centred vertically to the left of the main control of the settings item.
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defaultValueIndicatorContainer.Height = hasLabel ? labelText.DrawHeight : Control.DrawHeight;
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}
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private void updateDisabled()
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{
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if (labelText != null)
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labelText.Alpha = controlWithCurrent.Current.Disabled ? 0.3f : 1;
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}
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}
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}
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