119 lines
2.9 KiB
C#
119 lines
2.9 KiB
C#
using UnityEngine;
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using UnityEngine.Events;
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using System.Collections.Generic;
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using Sirenix.OdinInspector;
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using UnityEngine.EventSystems;
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[DisallowMultipleComponent]
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public class UXGroup : UIBehaviour
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{
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[SerializeField] private bool m_AllowSwitchOff;
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[ReadOnly, SerializeField] private List<UXButton> m_Buttons = new();
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private UXButton _current;
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private readonly HashSet<UXButton> _registeredButtons = new();
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public UnityEvent<UXButton> onSelectedChanged = new();
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public bool allowSwitchOff
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{
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get => m_AllowSwitchOff;
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set
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{
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m_AllowSwitchOff = value;
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ValidateGroupState();
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}
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}
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protected override void OnDestroy()
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{
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foreach (var button in _registeredButtons)
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{
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if (button) button.IsSelected = false;
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}
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m_Buttons.Clear();
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_registeredButtons.Clear();
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base.OnDestroy();
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}
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protected override void Awake() => ValidateGroupState();
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public void RegisterButton(UXButton button)
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{
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if (!button || _registeredButtons.Contains(button)) return;
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m_Buttons.Add(button);
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_registeredButtons.Add(button);
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if (button.IsSelected)
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{
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if (_current && _current != button)
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_current.IsSelected = false;
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_current = button;
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}
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ValidateGroupState();
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}
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public void UnregisterButton(UXButton button)
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{
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if (!button || !_registeredButtons.Contains(button)) return;
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m_Buttons.Remove(button);
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_registeredButtons.Remove(button);
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button.IsSelected = false;
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if (_current == button)
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_current = null;
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}
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internal void NotifyButtonClicked(UXButton clickedButton)
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{
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if (clickedButton.IsSelected)
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{
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if (m_AllowSwitchOff)
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SetSelectedButton(null);
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}
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else
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{
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SetSelectedButton(clickedButton);
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}
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}
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private void SetSelectedButton(UXButton target)
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{
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var previous = _current;
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_current = null;
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foreach (var button in m_Buttons)
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{
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bool shouldSelect = (button == target);
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if (button.IsSelected != shouldSelect)
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button.IsSelected = shouldSelect;
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if (shouldSelect)
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_current = button;
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}
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if (previous != _current)
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onSelectedChanged?.Invoke(_current);
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}
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private void ValidateGroupState()
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{
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bool hasSelected = _current != null && _current.IsSelected;
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if (!hasSelected && m_Buttons.Count > 0 && !m_AllowSwitchOff)
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SetSelectedButton(m_Buttons[0]);
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}
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public bool AnyOtherSelected(UXButton exclusion)
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{
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foreach (var button in m_Buttons)
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{
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if (button != exclusion && button.IsSelected)
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return true;
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}
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return false;
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}
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}
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