| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using UnityEngine; |
| | | 4 | | using UnityEngine.UI; |
| | | 5 | | |
| | | 6 | | namespace UIComponents.Scripts.Components |
| | | 7 | | { |
| | | 8 | | public class PageSelectorComponentView : BaseComponentView |
| | | 9 | | { |
| | | 10 | | public event Action<int> OnValueChanged; |
| | | 11 | | |
| | | 12 | | [SerializeField] private Button previousButton; |
| | | 13 | | [SerializeField] private Button nextButton; |
| | | 14 | | [SerializeField] private PageSelectorButtonComponentView pageSelectorButtonPrefab; |
| | | 15 | | [SerializeField] private RectTransform pageButtonsParent; |
| | | 16 | | [SerializeField] private RectTransform rectTransform; |
| | | 17 | | [SerializeField] private bool limitedPages; |
| | | 18 | | [SerializeField] private int maxVisiblePages; |
| | | 19 | | |
| | 37 | 20 | | private readonly List<PageSelectorButtonComponentView> buttons = new (); |
| | | 21 | | |
| | 120 | 22 | | public int TotalPages { get; private set; } |
| | 199 | 23 | | public int CurrentPage { get; private set; } |
| | | 24 | | |
| | | 25 | | public override void Awake() |
| | | 26 | | { |
| | 35 | 27 | | base.Awake(); |
| | | 28 | | |
| | 35 | 29 | | previousButton.onClick.AddListener(OnPreviousButtonDown); |
| | 35 | 30 | | nextButton.onClick.AddListener(OnNextButtonDown); |
| | 35 | 31 | | gameObject.SetActive(false); |
| | 35 | 32 | | } |
| | | 33 | | |
| | 0 | 34 | | public override void RefreshControl() { } |
| | | 35 | | |
| | | 36 | | public void Setup(int maxTotalPages, bool forceRebuild = false) |
| | | 37 | | { |
| | 3 | 38 | | if (maxTotalPages == this.TotalPages && !forceRebuild) { return; } |
| | | 39 | | |
| | 3 | 40 | | this.TotalPages = maxTotalPages; |
| | | 41 | | |
| | 3 | 42 | | CurrentPage = Mathf.Clamp(CurrentPage, 0, maxTotalPages - 1); |
| | | 43 | | |
| | 3 | 44 | | if (maxTotalPages <= 1) |
| | | 45 | | { |
| | 0 | 46 | | gameObject.SetActive(false); |
| | 0 | 47 | | OnValueChanged?.Invoke(0); |
| | 0 | 48 | | return; |
| | | 49 | | } |
| | | 50 | | |
| | 3 | 51 | | gameObject.SetActive(true); |
| | | 52 | | |
| | 3 | 53 | | EnsureButtons(); |
| | 3 | 54 | | UpdateButtonsStatus(false); |
| | | 55 | | |
| | 3 | 56 | | LayoutRebuilder.ForceRebuildLayoutImmediate(pageButtonsParent); |
| | 3 | 57 | | LayoutRebuilder.ForceRebuildLayoutImmediate(rectTransform); |
| | 3 | 58 | | } |
| | | 59 | | |
| | | 60 | | public void SelectPage(int pageNumber, bool notifyEvent = true) |
| | | 61 | | { |
| | 3 | 62 | | CurrentPage = pageNumber; |
| | 3 | 63 | | UpdateButtonsStatus(notifyEvent); |
| | 3 | 64 | | } |
| | | 65 | | |
| | | 66 | | private void OnPreviousButtonDown() |
| | | 67 | | { |
| | 0 | 68 | | if (CurrentPage - 1 < 0) |
| | 0 | 69 | | CurrentPage = TotalPages - 1; |
| | | 70 | | else |
| | 0 | 71 | | CurrentPage = (CurrentPage - 1) % TotalPages; |
| | | 72 | | |
| | 0 | 73 | | UpdateButtonsStatus(); |
| | 0 | 74 | | } |
| | | 75 | | |
| | | 76 | | private void OnNextButtonDown() |
| | | 77 | | { |
| | 0 | 78 | | CurrentPage = (CurrentPage + 1) % TotalPages; |
| | 0 | 79 | | UpdateButtonsStatus(); |
| | 0 | 80 | | } |
| | | 81 | | |
| | | 82 | | private void EnsureButtons() |
| | | 83 | | { |
| | 3 | 84 | | if (buttons.Count != TotalPages) |
| | | 85 | | { |
| | 3 | 86 | | int diff = TotalPages - buttons.Count; |
| | | 87 | | |
| | 3 | 88 | | if (diff > 0) |
| | | 89 | | { |
| | 76 | 90 | | for (var i = 0; i < diff; i++) |
| | | 91 | | { |
| | 35 | 92 | | var instance = Instantiate(pageSelectorButtonPrefab, pageButtonsParent); |
| | 35 | 93 | | buttons.Add(instance); |
| | | 94 | | } |
| | | 95 | | } |
| | | 96 | | } |
| | | 97 | | |
| | 76 | 98 | | for (var i = 0; i < buttons.Count; i++) |
| | | 99 | | { |
| | 35 | 100 | | PageSelectorButtonComponentView pageSelectorButtonComponentView = buttons[i]; |
| | | 101 | | |
| | 35 | 102 | | if (i >= TotalPages) |
| | | 103 | | { |
| | 0 | 104 | | pageSelectorButtonComponentView.gameObject.SetActive(false); |
| | | 105 | | |
| | 0 | 106 | | continue; |
| | | 107 | | } |
| | | 108 | | |
| | 35 | 109 | | pageSelectorButtonComponentView.Initialize(i); |
| | 35 | 110 | | pageSelectorButtonComponentView.gameObject.SetActive(true); |
| | 35 | 111 | | pageSelectorButtonComponentView.OnPageClicked -= OnPageClicked; |
| | 35 | 112 | | pageSelectorButtonComponentView.OnPageClicked += OnPageClicked; |
| | | 113 | | } |
| | 3 | 114 | | } |
| | | 115 | | |
| | | 116 | | private bool ShouldShowButton(int buttonIndex) |
| | | 117 | | { |
| | 70 | 118 | | if (buttonIndex >= TotalPages) |
| | 0 | 119 | | return false; |
| | | 120 | | |
| | 70 | 121 | | if (CurrentPage + 1 <= maxVisiblePages / 2) |
| | 39 | 122 | | return buttonIndex < maxVisiblePages; |
| | | 123 | | else |
| | 31 | 124 | | return buttonIndex < CurrentPage + 1 + (maxVisiblePages / 2) && buttonIndex + 1 > CurrentPage - (maxVisi |
| | | 125 | | } |
| | | 126 | | |
| | | 127 | | private void UpdateButtonsStatus(bool notifyEvent = true) |
| | | 128 | | { |
| | 6 | 129 | | UpdateToggleStatus(); |
| | | 130 | | |
| | 6 | 131 | | if (notifyEvent) |
| | 0 | 132 | | OnValueChanged?.Invoke(CurrentPage); |
| | 6 | 133 | | } |
| | | 134 | | |
| | | 135 | | private void UpdateToggleStatus() |
| | | 136 | | { |
| | 152 | 137 | | for (var i = 0; i < buttons.Count; i++) |
| | | 138 | | { |
| | 70 | 139 | | var currentButton = buttons[i]; |
| | | 140 | | |
| | 70 | 141 | | if (limitedPages) |
| | 70 | 142 | | currentButton.gameObject.SetActive(ShouldShowButton(i)); |
| | | 143 | | |
| | 70 | 144 | | currentButton.Toggle(i == CurrentPage); |
| | | 145 | | } |
| | 6 | 146 | | } |
| | | 147 | | |
| | | 148 | | private void OnPageClicked(int pageNumber) => |
| | 0 | 149 | | SelectPage(pageNumber); |
| | | 150 | | } |
| | | 151 | | } |