137 lines
3.7 KiB
C#
137 lines
3.7 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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/// 접을 수 있는 섹션 컴포넌트.
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/// Unity Foldout을 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 폴드아웃
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/// var foldout = new UTKFoldout("고급 설정", expanded: false);
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/// foldout.Add(new Label("옵션 1"));
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/// foldout.Add(new Label("옵션 2"));
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///
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/// // 상태 변경 이벤트
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/// foldout.OnValueChanged += (isExpanded) => {
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/// Debug.Log(isExpanded ? "펼쳐짐" : "접힘");
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/// };
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///
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/// // 프로그래밍 방식으로 상태 제어
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/// foldout.IsExpanded = true;
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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 폴드아웃 -->
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/// <utk:UTKFoldout text="설정" value="true">
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/// <ui:Label text="내용 1" />
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/// <ui:Label text="내용 2" />
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/// </utk:UTKFoldout>
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///
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/// <!-- 접힌 상태 -->
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/// <utk:UTKFoldout text="고급 옵션" value="false">
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/// <ui:Label text="숨겨진 내용" />
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/// </utk:UTKFoldout>
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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 UTKFoldout : Foldout, IDisposable
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{
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#region Constants
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private const string USS_PATH = "UIToolkit/Common/UTKFoldout";
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#endregion
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#region Fields
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private bool _disposed;
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#endregion
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#region Events
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/// <summary>펼침/접힘 상태 변경 이벤트</summary>
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public event Action<bool>? OnValueChanged;
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#endregion
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#region Properties
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/// <summary>펼침 상태</summary>
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public bool IsExpanded
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{
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get => value;
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set => this.value = value;
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}
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#endregion
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#region Constructor
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public UTKFoldout() : 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 UTKFoldout(string title, bool expanded = true) : this()
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{
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text = title;
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value = expanded;
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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-foldout");
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}
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private void SetupEvents()
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{
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this.RegisterValueChangedCallback(OnFoldoutValueChanged);
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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 OnFoldoutValueChanged(ChangeEvent<bool> 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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