126 lines
3.2 KiB
C#
126 lines
3.2 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace BITKit.UX
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{
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public class TabContainer : VisualElement
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{
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public new class UxmlTraits : VisualElement.UxmlTraits
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{
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private readonly UxmlIntAttributeDescription m_currentTabAttribute = new ()
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{
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name = "CurrentTab",
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defaultValue = -1
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};
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private readonly UxmlStringAttributeDescription m_customTabPathAttribute = new ()
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{
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name = "CustomTabPath",
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};
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public override void Init(VisualElement ve, IUxmlAttributes bag, CreationContext cc)
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{
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base.Init(ve, bag, cc);
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var tabContainer = (TabContainer)ve;
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tabContainer.CurrentTab = m_currentTabAttribute.GetValueFromBag(bag, cc);
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tabContainer.CustomTabPath = m_customTabPathAttribute.GetValueFromBag(bag, cc);
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tabContainer.pickingMode = PickingMode.Ignore;
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tabContainer._container.pickingMode = PickingMode.Ignore;
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}
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}
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public new class UxmlFactory : UxmlFactory<TabContainer, UxmlTraits> { }
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public TabContainer()
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{
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_internalTabBar = new TabBar();
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_container = new VisualElement
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{
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name = UXConstant.ContextContainer,
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style =
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{
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flexGrow = 1
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}
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};
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hierarchy.Add(_internalTabBar);
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hierarchy.Add(_container);
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RegisterCallback<AttachToPanelEvent>(OnAttachToPanel);
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RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
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_internalTabBar.OnTabChanged += EntryTab;
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pickingMode = PickingMode.Ignore;
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_container.pickingMode = PickingMode.Ignore;
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}
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public override VisualElement contentContainer => _container;
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public event Action<int> OnTabChanged;
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private int currentTab=-1;
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public int CurrentTab
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{
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get => currentTab;
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set
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{
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currentTab = value;
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EntryTab(currentTab);
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}
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}
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private string _customTabPath;
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public string CustomTabPath
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{
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get => _customTabPath;
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set
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{
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_customTabPath = value;
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if (_externalTabBar is not null)
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{
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_externalTabBar.OnTabChanged -= EntryTab;
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}
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if (panel?.visualTree != null)
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{
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_externalTabBar = panel.visualTree.Q<TabBar>(value);
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if (_externalTabBar is not null)
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{
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_externalTabBar.OnTabChanged += EntryTab;
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}
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}
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_internalTabBar.SetActive(_externalTabBar is null);
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}
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}
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private readonly VisualElement _container;
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private readonly TabBar _internalTabBar;
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private TabBar _externalTabBar;
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private void OnDetachFromPanel(DetachFromPanelEvent evt)
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{
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UpdateTabBar();
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}
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private void OnAttachToPanel(AttachToPanelEvent evt)
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{
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UpdateTabBar();
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}
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private void UpdateTabBar()
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{
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CustomTabPath = CustomTabPath;
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CurrentTab = CurrentTab;
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_externalTabBar?.SetValueWithoutNotify(CurrentTab);
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_internalTabBar.SetValueWithoutNotify(CurrentTab);
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_internalTabBar.Tabs = string.Join(",", _container.Children().Select(x => x.name));
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}
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private void OnShowTab(bool value)
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{
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_internalTabBar.style.display = value ? DisplayStyle.Flex : DisplayStyle.None;
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}
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public void EntryTab(int index)
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{
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foreach (var x in _container.Children())
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{
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x.SetActive(false);
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}
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if(_container.Children().TryGet(index,out var element))
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element.SetActive(true);
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OnTabChanged?.Invoke(index);
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}
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}
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}
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