118 lines
4.9 KiB
C#
118 lines
4.9 KiB
C#
using System;
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using UnityEngine;
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using UnityEngine.UI;
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using XericUI.XTable.Core;
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using XericUI.XTable.Rendering.Elements;
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using XericLibrary.Runtime.SuperStyleSheet;
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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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#region Viewport 冻结渲染
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/// <summary>创建或重新创建 Viewport 层冻结渲染器</summary>
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private void CreateViewportRenderer()
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{
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if (m_ScrollRect == null || m_ScrollRect.viewport == null) return;
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if (m_FreezeRowCount <= 0 && m_FreezeColCount <= 0) return;
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// 清理旧渲染器
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m_ViewportRenderer?.DestroyAll();
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Transform viewportT = m_ScrollRect.viewport;
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m_ViewportRenderer = new TableRenderer(viewportT, m_DefaultStyleNamespace, OnPoolStyleChanged);
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// 配置委托
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m_ViewportRenderer.GetStyleColor = (ns, path, fb) => GetStyleColor(ns, path, fb);
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m_ViewportRenderer.GetStyleFloat = (ns, path, fb) => GetStyleFloat(ns, path, fb);
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m_ViewportRenderer.GetStyleInt = (ns, path, fb) => GetStyleInt(ns, path, fb);
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m_ViewportRenderer.GetStyleFontAsset = (ns, path) => GetStyleFontAsset(ns, path);
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m_ViewportRenderer.GetRowHeights = () => m_RowHeights;
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m_ViewportRenderer.GetColWidths = () => m_ColWidths;
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m_ViewportRenderer.GetTableData = () => m_TableData;
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m_ViewportRenderer.GetDefaultStyleNamespace = () => m_DefaultStyleNamespace;
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m_ViewportRenderer.IsInSelectionRange = (r, c) => IsInSelectionRange(r, c);
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m_ViewportRenderer.GetSelectedRow = () => SelectionHandle.StartRow;
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m_ViewportRenderer.GetSelectedCol = () => SelectionHandle.StartCol;
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// 仅渲染冻结范围
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m_ViewportRenderer.StartRow = 0;
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m_ViewportRenderer.EndRow = m_FreezeRowCount;
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m_ViewportRenderer.StartCol = 0;
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m_ViewportRenderer.EndCol = m_FreezeColCount;
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// 共享预制体对象池
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m_ViewportRenderer.PrefabPool = m_PrefabPool;
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m_ViewportRenderer.ActivePrefabMap = m_ActivePrefabMap;
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m_ViewportRenderer.CellPadding = Config.CellHorizontalPadding;
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m_ViewportRenderer.Config = Config;
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}
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/// <summary>渲染 Viewport 层冻结单元格，随滚动偏移调整位置</summary>
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private void RenderFrozenCells()
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{
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if (m_FreezeRowCount <= 0 && m_FreezeColCount <= 0)
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{
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// 无冻结需求时清理渲染器
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if (m_ViewportRenderer != null)
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{
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m_ViewportRenderer.DestroyAll();
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m_ViewportRenderer = null;
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}
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return;
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}
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// 检测冻结范围变更，重建渲染器
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if (m_ViewportRenderer == null ||
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m_ViewportRenderer.EndRow != m_FreezeRowCount ||
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m_ViewportRenderer.EndCol != m_FreezeColCount)
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CreateViewportRenderer();
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// 计算冻结区域尺寸
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float freezeW = 0, freezeH = 0;
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for (int c = 0; c < m_FreezeColCount && c < m_ColWidths.Length; c++)
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freezeW += m_ColWidths[c];
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for (int r = 0; r < m_FreezeRowCount && r < m_RowHeights.Length; r++)
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freezeH += m_RowHeights[r];
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// 创建/更新背景
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m_ViewportRenderer.CreateBackground(freezeW, freezeH, m_DefaultStyleNamespace);
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// 获取滚动偏移
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Vector2 scrollOffset = Vector2.zero;
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if (m_ScrollRect != null && m_ScrollRect.content != null)
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{
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scrollOffset.x = Mathf.Max(0, -m_ScrollRect.content.anchoredPosition.x);
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scrollOffset.y = Mathf.Max(0, -m_ScrollRect.content.anchoredPosition.y);
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}
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// 调整背景位置（随滚动偏移移动，保持在视口可见范围内）
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if (m_ViewportRenderer.BackgroundGo != null)
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{
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var bgRt = m_ViewportRenderer.BackgroundGo.GetComponent<RectTransform>();
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bgRt.anchoredPosition = new Vector2(scrollOffset.x, -scrollOffset.y);
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}
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// 回收并重新渲染冻结单元格
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m_ViewportRenderer.ReturnAll();
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m_ViewportRenderer.RenderCells(
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0, m_FreezeRowCount,
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0, m_FreezeColCount,
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!Application.isPlaying);
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// 冻结单元格需要跟随滚动偏移（相对于 Viewport 定位）
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if (m_ViewportRenderer.Assembler != null)
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{
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// 调整所有活跃的池对象的 anchoredPosition 以抵消滚动
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// 这通过重新定位背景实现，单元格相对于背景 (0,0) 定位，所以随背景一起移动
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}
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// 背景始终可见
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m_ViewportRenderer.BackgroundGo?.SetActive(true);
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}
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#endregion
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}
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}
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