85 lines
1.7 KiB
C#
85 lines
1.7 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 UxmlStringAttributeDescription _mTabPath = new ()
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{
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name = "TabPath",
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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 container = (TabContainer)ve;
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container.TabPath = _mTabPath.GetValueFromBag(bag, cc);
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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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RegisterCallback<AttachToPanelEvent>(OnAttachToPanel);
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RegisterCallback<DetachFromPanelEvent>(OnDetachFromPanel);
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RegisterCallback<GeometryChangedEvent>(OnGeometryChanged);
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}
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private void OnGeometryChanged(GeometryChangedEvent evt)
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{
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Rebuild();
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}
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public string TabPath
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{
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get=>_tabPath;
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set
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{
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_tabPath = value;
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}
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}
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private string _tabPath;
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private TabBar _tabBar;
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private int _index;
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private void OnDetachFromPanel(DetachFromPanelEvent evt)
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{
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Rebuild();
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}
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private void OnAttachToPanel(AttachToPanelEvent evt)
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{
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Rebuild();
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}
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private void Rebuild()
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{
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if (_tabBar is not null)
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{
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_tabBar.OnTabChanged -= OnTabChanged;
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}
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_tabBar = panel.visualTree.Q<TabBar>(TabPath);
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if (_tabBar is not null)
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{
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_tabBar.OnTabChanged += OnTabChanged;
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}
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OnTabChanged(_index);
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}
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private void OnTabChanged(int obj)
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{
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_index = obj;
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if (childCount <= 0) return;
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for (var i = 0; i < childCount; i++)
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{
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var visualElement = this[i];
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visualElement.SetActive(i == _index);
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}
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}
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}
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}
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