101 lines
No EOL
2.9 KiB
C#
101 lines
No EOL
2.9 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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public class TabButton : MonoBehaviour, IPointerEnterHandler, IPointerExitHandler, IPointerClickHandler
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{
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public event Action<TabButton> OnClick;
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public float StateDamping;
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public RectTransform Tab;
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public Image Fill;
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public Image Outline;
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public TextMeshProUGUI Label;
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public VerticalLayoutGroup LabelLayout;
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public TabButtonState CurrentState = TabButtonState.Unselected;
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public TabButtonAppearance UnselectedAppearance;
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public TabButtonAppearance SelectedAppearance;
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public TabButtonAppearance HoverAppearance;
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public TabButtonAppearance ClickAppearance;
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private RectOffset _defaultPadding;
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private float _currentPadding;
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private void Start()
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{
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_defaultPadding = LabelLayout.padding;
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_currentPadding = _defaultPadding.left;
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}
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public void OnPointerEnter(PointerEventData eventData)
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{
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if (CurrentState == TabButtonState.Unselected)
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CurrentState = TabButtonState.Hover;
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}
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public void OnPointerExit(PointerEventData eventData)
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{
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if (CurrentState == TabButtonState.Hover)
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CurrentState = TabButtonState.Unselected;
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}
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public void OnPointerClick(PointerEventData eventData)
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{
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if (CurrentState != TabButtonState.Selected)
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{
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Fill.color = ClickAppearance.FillColor;
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Outline.color = ClickAppearance.OutlineColor;
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OnClick?.Invoke(this);
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}
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}
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private void Update()
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{
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TabButtonAppearance appearance;
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switch (CurrentState)
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{
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case TabButtonState.Unselected:
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appearance = UnselectedAppearance;
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break;
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case TabButtonState.Selected:
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appearance = SelectedAppearance;
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break;
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case TabButtonState.Hover:
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appearance = HoverAppearance;
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break;
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default:
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appearance = new TabButtonAppearance();
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break;
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}
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Fill.color = Color.Lerp(Fill.color, appearance.FillColor, StateDamping * Time.deltaTime);
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Outline.color = Color.Lerp(Outline.color, appearance.OutlineColor, StateDamping * Time.deltaTime);
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_currentPadding = Mathf.Lerp(_currentPadding, appearance.LayoutPadding, StateDamping * Time.deltaTime);
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LabelLayout.padding = new RectOffset
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{
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bottom = _defaultPadding.bottom,
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top = _defaultPadding.top,
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left = (int) _currentPadding,
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right = (int) _currentPadding
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};
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}
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}
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public enum TabButtonState
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{
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Unselected,
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Selected,
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Hover
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}
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[Serializable]
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public struct TabButtonAppearance
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{
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public Color FillColor;
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public Color OutlineColor;
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public int LayoutPadding;
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} |