99 lines
2.9 KiB
C#
99 lines
2.9 KiB
C#
using JetBrains.Annotations;
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using NEG.UI.UnityUi.Buttons;
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using System;
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using System.Collections.Generic;
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using TMPro;
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using UnityEngine;
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namespace NEG.UI.UnityUi
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{
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[PublicAPI]
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public class CarouselList : MonoBehaviour
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{
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[SerializeField] private BaseButton nextButton;
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[SerializeField] private BaseButton prevButton;
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[SerializeField] private TMP_Text currentOptionText;
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private List<string> options;
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/// <summary>
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/// Current option
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/// </summary>
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public string CurrentOption { get; private set; }
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/// <summary>
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/// Current selected option id
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/// </summary>
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public int CurrentOptionId { get; private set; }
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private void Awake()
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{
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nextButton.OnButtonPressed += SelectNextOption;
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prevButton.OnButtonPressed += SelectPrevOption;
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}
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private void OnDestroy()
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{
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nextButton.OnButtonPressed -= SelectNextOption;
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prevButton.OnButtonPressed -= SelectPrevOption;
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}
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public event Action<int> OnSelectedItemChanged;
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/// <summary>
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/// Sets new options list, automatically first will be selected.
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/// </summary>
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/// <param name="options">list of options names</param>
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public void SetOptions(List<string> options)
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{
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this.options = options;
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SelectOption(0);
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}
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public void SelectNextOption() => ChangeOption(true);
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public void SelectPrevOption() => ChangeOption(false);
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/// <summary>
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/// Selects option with provided id.
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/// </summary>
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/// <param name="option">option number</param>
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public void SelectOption(int option)
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{
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if (option < 0 || option >= options.Count)
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{
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Debug.LogError("Invalid option number");
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return;
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}
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CurrentOptionId = option;
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CurrentOption = options[option];
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currentOptionText.text = CurrentOption;
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OnSelectedItemChanged?.Invoke(CurrentOptionId);
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}
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/// <summary>
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/// Select option with provided value. Use with caution, better use <see cref="SelectOption(int)" />.
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/// </summary>
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/// <param name="option">option value to select</param>
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public void SelectOption(string option)
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{
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if (options.Count == 0)
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{
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Debug.LogError("Carousel List cannot be empty when selecting option");
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return;
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}
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int index = options.IndexOf(option);
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if (index == -1)
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{
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Debug.LogError($"Option {option} not found");
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return;
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}
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SelectOption(index);
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}
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private void ChangeOption(bool next) =>
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SelectOption((CurrentOptionId + (next ? 1 : -1) + options.Count) % options.Count);
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}
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} |