77 lines
3.1 KiB
C#
77 lines
3.1 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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namespace Ichni.Editor
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{
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public class DynamicUISubcontainer : MonoBehaviour
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{
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Inspector Inspector => EditorManager.instance.uiManager.inspector;
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public DynamicUIContainer parentContainer;
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public RectTransform rect;
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public List<DynamicUIElement> dynamicUIElements;
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/// <summary> 当前行高 </summary>
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[HideInInspector]
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public float rowHeight = 100f;
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/// <summary>
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/// 使用 GridLayoutGroup 实现 N 列自动换行布局。
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/// 当添加的元素数量超过 elementCountPerRow 时，会自动换行到下一行。
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/// </summary>
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public void Initialize(DynamicUIContainer parentContainer, int elementCountPerRow, float height = 100)
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{
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this.parentContainer = parentContainer;
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this.rowHeight = height;
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int columns = Mathf.Max(1, elementCountPerRow);
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// ── 启用 GridLayoutGroup ──
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var grid = GetComponent<GridLayoutGroup>();
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if (grid == null)
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grid = gameObject.AddComponent<GridLayoutGroup>();
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grid.enabled = true;
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grid.constraint = GridLayoutGroup.Constraint.FixedColumnCount;
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grid.constraintCount = columns;
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grid.childAlignment = TextAnchor.UpperLeft;
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grid.startCorner = GridLayoutGroup.Corner.UpperLeft;
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grid.startAxis = GridLayoutGroup.Axis.Horizontal;
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grid.padding = new RectOffset(10, 10, 0, 0);
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float spacing = 10f;
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float totalSpacing = (columns - 1) * spacing;
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float cellWidth = (LayoutPacker.TotalRowWidth - totalSpacing) / columns;
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grid.cellSize = new Vector2(cellWidth, height);
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grid.spacing = new Vector2(spacing, spacing);
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// ── LayoutElement: preferredHeight = -1 让 GridLayoutGroup 的 ILayoutElement 接管高度 ──
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var layoutElement = GetComponent<LayoutElement>();
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if (layoutElement == null)
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layoutElement = gameObject.AddComponent<LayoutElement>();
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layoutElement.preferredHeight = -1;
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layoutElement.flexibleHeight = -1;
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// ── ContentSizeFitter: 让子容器高度随网格行数动态增长 ──
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var fitter = GetComponent<ContentSizeFitter>();
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if (fitter == null)
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fitter = gameObject.AddComponent<ContentSizeFitter>();
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fitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
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fitter.horizontalFit = ContentSizeFitter.FitMode.Unconstrained;
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fitter.enabled = true;
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if (dynamicUIElements == null)
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dynamicUIElements = new List<DynamicUIElement>();
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else
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dynamicUIElements.Clear();
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}
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public DynamicUISubcontainer Mark(string mark, IHaveInspection inspection = null)
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{
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inspection ??= Inspector;
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inspection.MarkedSubcontainers.TryAdd(mark, this);
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return this;
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}
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}
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}
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