mirror of
https://github.com/ppy/osu.git
synced 2024-12-17 05:22:54 +08:00
222 lines
7.3 KiB
C#
222 lines
7.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Reflection;
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using OpenTK;
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using OpenTK.Graphics;
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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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.Primitives;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.UserInterface;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Sprites;
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namespace osu.Game.Overlays.Options
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{
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public class OptionDropdown<T> : FlowContainer
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{
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private DropDownMenu<T> dropdown;
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private SpriteText text;
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public string LabelText
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{
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get { return text.Text; }
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set
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{
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text.Text = value;
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text.Alpha = string.IsNullOrEmpty(value) ? 0 : 1;
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}
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}
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public Bindable<T> Bindable
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{
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get { return bindable; }
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set
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{
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if (bindable != null)
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bindable.ValueChanged -= Bindable_ValueChanged;
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bindable = value;
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bindable.ValueChanged += Bindable_ValueChanged;
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Bindable_ValueChanged(null, null);
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}
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}
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private Bindable<T> bindable;
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void Bindable_ValueChanged(object sender, EventArgs e)
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{
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dropdown.SelectedValue = bindable.Value;
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}
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void Dropdown_ValueChanged(object sender, EventArgs e)
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{
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bindable.Value = dropdown.SelectedValue;
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}
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protected override void Dispose(bool isDisposing)
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{
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bindable.ValueChanged -= Bindable_ValueChanged;
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dropdown.ValueChanged -= Dropdown_ValueChanged;
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base.Dispose(isDisposing);
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}
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public OptionDropdown()
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{
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if (!typeof(T).IsEnum)
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throw new InvalidOperationException("OptionsDropdown only supports enums as the generic type argument");
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Direction = FlowDirection.VerticalOnly;
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RelativeSizeAxes = Axes.X;
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AutoSizeAxes = Axes.Y;
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Children = new Drawable[]
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{
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text = new OsuSpriteText {
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Alpha = 0,
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},
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dropdown = new StyledDropDownMenu<T>
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{
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Margin = new MarginPadding { Top = 5 },
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RelativeSizeAxes = Axes.X,
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Items = (T[])Enum.GetValues(typeof(T)),
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}
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};
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dropdown.ValueChanged += Dropdown_ValueChanged;
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}
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private class StyledDropDownMenu<U> : DropDownMenu<U>
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{
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protected override float DropDownListSpacing => 4;
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protected override DropDownComboBox CreateComboBox()
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{
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return new StyledDropDownComboBox();
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}
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protected override IEnumerable<DropDownMenuItem<U>> GetDropDownItems(IEnumerable<U> values)
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{
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return values.Select(v =>
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{
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var field = typeof(U).GetField(Enum.GetName(typeof(U), v));
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return new StyledDropDownMenuItem<U>(
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field.GetCustomAttribute<DescriptionAttribute>()?.Description ?? field.Name, v);
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});
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}
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public StyledDropDownMenu()
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{
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ComboBox.CornerRadius = 4;
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DropDown.CornerRadius = 4;
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}
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protected override void AnimateOpen()
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{
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foreach (StyledDropDownMenuItem<U> child in DropDownItemsContainer.Children)
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{
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child.FadeIn(200);
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child.ResizeTo(new Vector2(1, 24), 200);
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}
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DropDown.Show();
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}
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protected override void AnimateClose()
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{
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foreach (StyledDropDownMenuItem<U> child in DropDownItemsContainer.Children)
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{
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child.ResizeTo(new Vector2(1, 0), 200);
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child.FadeOut(200);
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}
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}
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}
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private class StyledDropDownComboBox : DropDownComboBox
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{
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private SpriteText label;
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protected override string Label
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{
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get { return label.Text; }
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set { label.Text = value; }
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}
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public StyledDropDownComboBox()
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{
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Foreground.Padding = new MarginPadding(4);
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AutoSizeAxes = Axes.None;
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Height = 40;
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Children = new[]
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{
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label = new OsuSpriteText
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{
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Anchor = Anchor.CentreLeft,
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Origin = Anchor.CentreLeft,
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},
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new TextAwesome
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{
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Icon = FontAwesome.fa_chevron_down,
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Anchor = Anchor.CentreRight,
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Origin = Anchor.CentreRight,
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Margin = new MarginPadding { Right = 4 },
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}
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};
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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BackgroundColour = Color4.Black.Opacity(0.5f);
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BackgroundColourHover = colours.PinkDarker;
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}
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}
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private class StyledDropDownMenuItem<U> : DropDownMenuItem<U>
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{
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public StyledDropDownMenuItem(string text, U value) : base(text, value)
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{
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AutoSizeAxes = Axes.None;
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Height = 0;
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Foreground.Padding = new MarginPadding(2);
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Children = new[]
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{
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new FlowContainer
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{
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Direction = FlowDirection.HorizontalOnly,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Children = new Drawable[]
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{
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new TextAwesome
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{
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Icon = FontAwesome.fa_chevron_right,
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Colour = Color4.Black,
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TextSize = 12,
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Margin = new MarginPadding { Right = 3 },
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Origin = Anchor.CentreLeft,
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Anchor = Anchor.CentreLeft,
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},
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new OsuSpriteText {
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Text = text,
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Origin = Anchor.CentreLeft,
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Anchor = Anchor.CentreLeft,
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}
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}
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}
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};
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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BackgroundColour = Color4.Black.Opacity(0.5f);
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BackgroundColourHover = colours.PinkDarker;
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BackgroundColourSelected = Color4.Black.Opacity(0.5f);
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}
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}
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}
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}
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