优化表格性能，拆分代码文件职责
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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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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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using XericUI.Core.Base;
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using XericUI.XTable.Core;
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using XericUI.XTable.Mapping;
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using XericUI.XTable.Rendering.Elements;
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using XericLibrary.Runtime.SuperStyleSheet;
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using XericLibrary.Runtime.UIGraph;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace XericUI.XTable.Rendering.Component
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{
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public partial class XericUIActionTable
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{
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/// <summary>
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/// 获取或创建边框渲染器 GameObject 和 <see cref="UILineRendererV2"/> 组件。
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/// </summary>
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private UILineRendererV2 GetOrCreateBorderRenderer()
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{
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if (m_BorderRenderer != null)
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return m_BorderRenderer;
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Transform contentT = ContentTransform;
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// 查找已有对象
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var existing = contentT.Find("_TableBorders");
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if (existing != null)
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{
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m_BorderRenderer = existing.GetComponent<UILineRendererV2>();
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if (m_BorderRenderer != null) return m_BorderRenderer;
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}
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var go = new GameObject("_TableBorders",
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typeof(RectTransform), typeof(CanvasRenderer), typeof(UILineRendererV2));
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go.hideFlags = HideFlags.DontSave | HideFlags.HideInHierarchy;
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go.transform.SetParent(contentT, false);
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RectTransform rt = go.GetComponent<RectTransform>();
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rt.anchorMin = new Vector2(0, 1);
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rt.anchorMax = new Vector2(0, 1);
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rt.pivot = new Vector2(0, 1);
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float pad = m_ContentOffset * 2f;
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rt.anchoredPosition = new Vector2(m_ContentOffset, -m_ContentOffset);
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rt.sizeDelta = new Vector2(m_TotalWidth + pad, m_TotalHeight + pad);
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m_BorderRenderer = go.GetComponent<UILineRendererV2>();
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return m_BorderRenderer;
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}
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/// <summary>销毁边框渲染器</summary>
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private void DestroyBorderRenderer()
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{
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if (m_BorderRenderer != null)
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{
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if (Application.isPlaying)
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Destroy(m_BorderRenderer.gameObject);
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else
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DestroyImmediate(m_BorderRenderer.gameObject);
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m_BorderRenderer = null;
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}
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}
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/// <summary>
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/// 重建表格的全部边框线段。
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/// 第一阶段：从 OuterBorderNs 绘制 -1 行（顶部外框）和 -1 列（左侧外框）。
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/// 第二阶段：遍历非合并覆盖单元格，从边框缓存读取样式命名空间，按 per-cell 样式绘制右侧和底部边框。
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/// 合并源在最外沿绘制，内部边框自动跳过。
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/// </summary>
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private void RebuildBorders()
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{
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if (m_RowHeights == null || m_ColWidths == null) return;
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if (m_RowHeights.Length == 0 || m_ColWidths.Length == 0) return;
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var renderer = GetOrCreateBorderRenderer();
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renderer.ClearAll();
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var borderRt = renderer.GetComponent<RectTransform>();
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borderRt.sizeDelta = new Vector2(m_TotalWidth, m_TotalHeight);
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#if UNITY_EDITOR
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Color borderColor;
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float borderWidth;
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if (!Application.isPlaying)
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{
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borderColor = GetCellBorderColor(m_DefaultStyleNamespace);
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borderWidth = GetCellBorderWidth(m_DefaultStyleNamespace);
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}
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else
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{
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borderColor = Config.RuntimeBorderColor;
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borderWidth = Config.RuntimeBorderWidth;
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}
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#else
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Color borderColor = Config.RuntimeBorderColor;
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float borderWidth = Config.RuntimeBorderWidth;
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#endif
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int rows = m_RowHeights.Length;
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int cols = m_ColWidths.Length;
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// ════════════════════════════════════════════
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// 阶段 1：-1 行（顶部外框）和 -1 列（左侧外框）
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// ════════════════════════════════════════════
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// 顶部外框：从 col=0 到 col=cols-1，每列一段
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float topY = 0;
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for (int c = 0; c < cols; c++)
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{
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string ns = m_TableData?.GetOuterBorderNs(-1, c);
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if (string.IsNullOrEmpty(ns)) ns = m_DefaultStyleNamespace;
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Color color = GetCellBorderColor(ns);
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float width = GetCellBorderWidth(ns);
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float leftX = GetColLeftX(c);
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renderer.DrawLine(
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new Vector2(leftX, topY),
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new Vector2(leftX + m_ColWidths[c], topY),
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color, width, UVMode.ByDistance);
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}
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// 左侧外框：从 row=0 到 row=rows-1，每行一段
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float xEdge = 0;
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for (int r = 0; r < rows; r++)
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{
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string ns = m_TableData?.GetOuterBorderNs(r, -1);
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if (string.IsNullOrEmpty(ns)) ns = m_DefaultStyleNamespace;
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Color color = GetCellBorderColor(ns);
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float width = GetCellBorderWidth(ns);
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float rowTopY = -GetRowTopY(r);
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renderer.DrawLine(
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new Vector2(xEdge, rowTopY),
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new Vector2(xEdge, rowTopY - m_RowHeights[r]),
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color, width, UVMode.ByDistance);
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}
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// ════════════════════════════════════════════
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// 阶段 2：每个单元格的右侧和底部边框
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// ════════════════════════════════════════════
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for (int r = 0; r < rows; r++)
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{
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for (int c = 0; c < cols; c++)
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{
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// 跳过被合并覆盖的单元格
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if (m_TableData != null && m_TableData.IsCellMerged(r, c))
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continue;
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float cellX = GetColLeftX(c);
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float cellY = -GetRowTopY(r);
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float cellW = m_ColWidths[c];
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float cellH = m_RowHeights[r];
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int mergeRS = 1, mergeCS = 1;
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if (m_TableData != null)
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m_TableData.IsMergeSource(r, c, out mergeRS, out mergeCS);
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// 扩展合并尺寸
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for (int i = 1; i < mergeCS && c + i < cols; i++)
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cellW += m_ColWidths[c + i];
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for (int i = 1; i < mergeRS && r + i < rows; i++)
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cellH += m_RowHeights[r + i];
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float rightX = cellX + cellW;
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float bottomY = cellY - cellH;
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// —— 右侧边框 ——
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string rightNs = m_TableData?.GetBorderRightNs(r, c);
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if (string.IsNullOrEmpty(rightNs)) rightNs = m_DefaultStyleNamespace;
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Color rightColor = GetCellBorderColor(rightNs);
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float rightWidth = GetCellBorderWidth(rightNs);
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int rightCol = c + mergeCS;
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if (rightCol <= cols)
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{
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renderer.DrawLine(
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new Vector2(rightX, cellY),
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new Vector2(rightX, bottomY),
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rightColor, rightWidth, UVMode.ByDistance);
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}
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// —— 底部边框 ——
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string bottomNs = m_TableData?.GetBorderBottomNs(r, c);
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if (string.IsNullOrEmpty(bottomNs)) bottomNs = m_DefaultStyleNamespace;
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Color bottomColor = GetCellBorderColor(bottomNs);
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float bottomWidth = GetCellBorderWidth(bottomNs);
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int bottomRow = r + mergeRS;
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if (bottomRow <= rows)
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{
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renderer.DrawLine(
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new Vector2(cellX, bottomY),
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new Vector2(rightX, bottomY),
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bottomColor, bottomWidth, UVMode.ByDistance);
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}
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}
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}
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}
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}
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}
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