139 lines
3.8 KiB
C#
139 lines
3.8 KiB
C#
#nullable enable
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using System;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace UVC.UIToolkit
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{
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/// <summary>
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/// 슬라이더 컴포넌트.
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/// Unity Slider를 래핑하여 커스텀 스타일을 적용합니다.
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/// </summary>
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/// <example>
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/// <para><b>C# 코드에서 사용:</b></para>
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/// <code>
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/// // 기본 슬라이더
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/// var slider = new UTKSlider();
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/// slider.label = "볼륨";
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/// slider.lowValue = 0;
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/// slider.highValue = 100;
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/// slider.value = 50;
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/// slider.OnValueChanged += (value) => Debug.Log($"볼륨: {value}");
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/// </code>
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/// <para><b>UXML에서 사용:</b></para>
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/// <code>
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/// <ui:UXML xmlns:utk="UVC.UIToolkit">
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/// <!-- 기본 슬라이더 -->
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/// <utk:UTKSlider label="밝기" low-value="0" high-value="100" value="50" />
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///
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/// <!-- 값 표시 -->
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/// <utk:UTKSlider label="투명도" low-value="0" high-value="1" value="0.5" show-input-field="true" />
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///
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/// <!-- 비활성화 -->
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/// <utk:UTKSlider label="잠금" IsEnabled="false" value="75" />
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/// </ui:UXML>
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/// </code>
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/// </example>
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[UxmlElement]
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public partial class UTKSlider : Slider, IDisposable
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{
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#region Constants
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private const string USS_PATH = "UIToolkit/Slider/UTKSlider";
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#endregion
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#region Fields
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private bool _disposed;
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private bool _isEnabled = true;
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#endregion
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#region Events
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/// <summary>값 변경 이벤트</summary>
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public event Action<float>? OnValueChanged;
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#endregion
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#region Properties
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/// <summary>활성화 상태</summary>
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[UxmlAttribute]
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public bool IsEnabled
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{
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get => _isEnabled;
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set
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{
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_isEnabled = value;
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SetEnabled(value);
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EnableInClassList("utk-slider--disabled", !value);
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}
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}
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#endregion
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#region Constructor
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public UTKSlider() : base()
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{
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UTKThemeManager.Instance.ApplyThemeToElement(this);
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var uss = Resources.Load<StyleSheet>(USS_PATH);
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if (uss != null)
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{
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styleSheets.Add(uss);
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}
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SetupStyles();
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SetupEvents();
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SubscribeToThemeChanges();
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}
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public UTKSlider(string label, float minValue = 0f, float maxValue = 100f, float defaultValue = 0f) : this()
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{
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this.label = label;
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this.lowValue = minValue;
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this.highValue = maxValue;
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this.value = defaultValue;
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}
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#endregion
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#region Setup
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private void SetupStyles()
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{
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AddToClassList("utk-slider");
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}
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private void SetupEvents()
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{
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this.RegisterValueChangedCallback(OnSliderValueChanged);
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}
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private void SubscribeToThemeChanges()
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{
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UTKThemeManager.Instance.OnThemeChanged += OnThemeChanged;
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RegisterCallback<DetachFromPanelEvent>(_ =>
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{
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UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
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});
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}
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private void OnThemeChanged(UTKTheme theme)
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{
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UTKThemeManager.Instance.ApplyThemeToElement(this);
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}
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#endregion
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#region Event Handlers
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private void OnSliderValueChanged(ChangeEvent<float> evt)
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{
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OnValueChanged?.Invoke(evt.newValue);
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}
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#endregion
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#region IDisposable
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public void Dispose()
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{
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if (_disposed) return;
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_disposed = true;
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UTKThemeManager.Instance.OnThemeChanged -= OnThemeChanged;
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OnValueChanged = null;
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}
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#endregion
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}
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}
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