// 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.Graphics; using osu.Framework.Graphics.UserInterface; using osu.Game.Graphics.UserInterface; using osu.Game.Online.Chat; using osuTK; using System; using System.Linq; using osu.Framework.Bindables; using osu.Framework.Graphics.Sprites; namespace osu.Game.Overlays.Chat.Tabs { public class ChannelTabControl : OsuTabControl<Channel> { public static readonly float SHEAR_WIDTH = 10; public Action<Channel> OnRequestLeave; public readonly Bindable<bool> ChannelSelectorActive = new Bindable<bool>(); private readonly ChannelSelectorTabItem selectorTab; public ChannelTabControl() { TabContainer.Margin = new MarginPadding { Left = 50 }; TabContainer.Spacing = new Vector2(-SHEAR_WIDTH, 0); TabContainer.Masking = false; AddInternal(new SpriteIcon { Icon = FontAwesome.Solid.Comments, Anchor = Anchor.CentreLeft, Origin = Anchor.CentreLeft, Size = new Vector2(20), Margin = new MarginPadding(10), }); AddTabItem(selectorTab = new ChannelSelectorTabItem()); ChannelSelectorActive.BindTo(selectorTab.Active); } protected override void AddTabItem(TabItem<Channel> item, bool addToDropdown = true) { if (item != selectorTab && TabContainer.GetLayoutPosition(selectorTab) < float.MaxValue) // performTabSort might've made selectorTab's position wonky, fix it TabContainer.SetLayoutPosition(selectorTab, float.MaxValue); base.AddTabItem(item, addToDropdown); } protected override TabItem<Channel> CreateTabItem(Channel value) { switch (value.Type) { default: return new ChannelTabItem(value) { OnRequestClose = tabCloseRequested }; case ChannelType.PM: return new PrivateChannelTabItem(value) { OnRequestClose = tabCloseRequested }; } } /// <summary> /// Adds a channel to the ChannelTabControl. /// The first channel added will automaticly selected. /// </summary> /// <param name="channel">The channel that is going to be added.</param> public void AddChannel(Channel channel) { if (!Items.Contains(channel)) AddItem(channel); if (Current.Value == null) Current.Value = channel; } /// <summary> /// Removes a channel from the ChannelTabControl. /// If the selected channel is the one that is beeing removed, the next available channel will be selected. /// </summary> /// <param name="channel">The channel that is going to be removed.</param> public void RemoveChannel(Channel channel) { RemoveItem(channel); if (Current.Value == channel) Current.Value = Items.FirstOrDefault(); } protected override void SelectTab(TabItem<Channel> tab) { if (tab is ChannelSelectorTabItem) { tab.Active.Value = true; return; } base.SelectTab(tab); selectorTab.Active.Value = false; } private void tabCloseRequested(TabItem<Channel> tab) { int totalTabs = TabContainer.Count - 1; // account for selectorTab int currentIndex = MathHelper.Clamp(TabContainer.IndexOf(tab), 1, totalTabs); if (tab == SelectedTab && totalTabs > 1) // Select the tab after tab-to-be-removed's index, or the tab before if current == last SelectTab(TabContainer[currentIndex == totalTabs ? currentIndex - 1 : currentIndex + 1]); else if (totalTabs == 1 && !selectorTab.Active.Value) // Open channel selection overlay if all channel tabs will be closed after removing this tab SelectTab(selectorTab); OnRequestLeave?.Invoke(tab.Value); } } }