219 lines
11 KiB
C#
219 lines
11 KiB
C#
using UnityEngine;
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using XericUI.XTable.Rendering.Elements;
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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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private static readonly Vector2 FrozenAnchor = new(0f, 1f);
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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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CreateFrozenContainers();
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CreateFrozenRenderers();
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}
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private void CreateFrozenContainers()
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{
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Transform viewport = m_ScrollRect.viewport;
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m_FrozenColumnsContainer = CreateFrozenContainer(viewport, "_FrozenColumns");
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m_FrozenRowsContainer = CreateFrozenContainer(viewport, "_FrozenRows");
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m_FrozenCornerContainer = CreateFrozenContainer(viewport, "_FrozenCorner");
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}
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private static RectTransform CreateFrozenContainer(Transform parent, string name)
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{
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var existing = parent.Find(name) as RectTransform;
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if (existing != null) return existing;
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var go = new GameObject(name, typeof(RectTransform));
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go.hideFlags = HideFlags.DontSave | HideFlags.HideInHierarchy;
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go.transform.SetParent(parent, false);
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var rt = go.GetComponent<RectTransform>();
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rt.anchorMin = FrozenAnchor;
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rt.anchorMax = FrozenAnchor;
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rt.pivot = FrozenAnchor;
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return rt;
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}
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private void CreateFrozenRenderers()
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{
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if (m_FrozenColumnsContainer == null) return;
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m_FrozenColumnRenderer?.DestroyAll();
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m_FrozenRowRenderer?.DestroyAll();
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m_FrozenCornerRenderer?.DestroyAll();
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DestroyFrozenBorderRenderers();
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m_FrozenColumnRenderer = CreateFrozenRenderer(m_FrozenColumnsContainer);
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m_FrozenRowRenderer = CreateFrozenRenderer(m_FrozenRowsContainer);
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m_FrozenCornerRenderer = CreateFrozenRenderer(m_FrozenCornerContainer);
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}
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private TableRenderer CreateFrozenRenderer(Transform parent)
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{
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var renderer = new TableRenderer(parent)
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{
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Assembler = m_Assembler,
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PrefabPool = m_PrefabPool,
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ActivePrefabMap = m_ActivePrefabMap,
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CellPadding = CellPadding,
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Config = Config,
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SelectionTable = this,
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GetStyleColor = (ns, path, fallback) => GetStyleColor(ns, path, fallback),
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GetStyleInt = (ns, path, fallback) => GetStyleInt(ns, path, fallback),
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GetStyleFontAsset = (ns, path) => GetStyleFontAsset(ns, path),
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GetRowHeights = () => m_ResolvedRowHeights,
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GetColWidths = () => m_ResolvedColWidths,
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GetTableData = () => m_TableData,
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GetDefaultStyleNamespace = () => m_DefaultStyleNamespace,
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};
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return renderer;
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}
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private void DestroyFrozenRenderers()
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{
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m_FrozenColumnRenderer?.DestroyAll();
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m_FrozenRowRenderer?.DestroyAll();
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m_FrozenCornerRenderer?.DestroyAll();
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DestroyFrozenBorderRenderers();
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m_FrozenColumnRenderer = null;
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m_FrozenRowRenderer = null;
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m_FrozenCornerRenderer = null;
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DestroySelectionOverlay(ref m_FrozenColumnSelectionOverlay);
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DestroySelectionOverlay(ref m_FrozenRowSelectionOverlay);
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DestroySelectionOverlay(ref m_FrozenCornerSelectionOverlay);
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DestroyFrozenContainer(ref m_FrozenColumnsContainer);
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DestroyFrozenContainer(ref m_FrozenRowsContainer);
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DestroyFrozenContainer(ref m_FrozenCornerContainer);
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}
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private static void DestroySelectionOverlay(ref XTableSelectionOverlay overlay)
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{
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if (overlay == null) return;
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if (Application.isPlaying) Object.Destroy(overlay.gameObject);
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else Object.DestroyImmediate(overlay.gameObject);
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overlay = null;
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}
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private static void DestroyFrozenContainer(ref RectTransform container)
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{
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if (container == null) return;
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if (Application.isPlaying) Object.Destroy(container.gameObject);
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else Object.DestroyImmediate(container.gameObject);
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container = null;
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}
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private void ReleaseFrozenCells()
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{
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m_FrozenColumnRenderer?.ReleaseAll();
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m_FrozenRowRenderer?.ReleaseAll();
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m_FrozenCornerRenderer?.ReleaseAll();
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}
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private void RenderFrozenCells(bool fullRefresh = true)
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{
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int rows = m_RowHeights?.Length ?? 0;
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int cols = m_ColWidths?.Length ?? 0;
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int freezeRows = Mathf.Clamp(m_FreezeRowCount, 0, rows);
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int freezeCols = Mathf.Clamp(m_FreezeColCount, 0, cols);
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if (freezeRows == 0 && freezeCols == 0)
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{
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DestroyFrozenRenderers();
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if (m_RowHeights != null && m_ColWidths != null)
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CreateOrUpdateSelectionOverlays(0, 0);
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return;
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}
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if (m_FrozenColumnRenderer == null) CreateViewportRenderer();
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if (m_FrozenColumnRenderer == null) return;
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CreateOrUpdateSelectionOverlays(freezeRows, freezeCols);
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CreateFrozenBackgrounds(freezeRows, freezeCols);
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SyncFrozenContainers();
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CalcVisibleRange(out int visibleStartRow, out int visibleEndRow, out int visibleStartCol, out int visibleEndCol);
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#if UNITY_EDITOR
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bool editorMode = !Application.isPlaying;
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#else
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bool editorMode = false;
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#endif
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// 固定顺序：Content 已先完成，然后冻结列、冻结行、左上交叉区。
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if (freezeCols > 0)
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m_FrozenColumnRenderer.Render(Mathf.Max(freezeRows, visibleStartRow), visibleEndRow,
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0, freezeCols, editorMode, fullRefresh);
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if (freezeRows > 0)
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m_FrozenRowRenderer.Render(0, freezeRows, Mathf.Max(freezeCols, visibleStartCol), visibleEndCol,
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editorMode, fullRefresh);
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if (freezeRows > 0 && freezeCols > 0)
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m_FrozenCornerRenderer.Render(0, freezeRows, 0, freezeCols, editorMode, fullRefresh);
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}
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private void CreateFrozenBackgrounds(int freezeRows, int freezeCols)
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{
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float freezeWidth = GetColLeftX(freezeCols);
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float freezeHeight = GetRowTopY(freezeRows);
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if (freezeCols > 0)
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m_FrozenColumnRenderer.CreateBackground(freezeWidth, m_TotalHeight, m_DefaultStyleNamespace);
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if (freezeRows > 0)
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m_FrozenRowRenderer.CreateBackground(m_TotalWidth - freezeWidth, freezeHeight,
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m_DefaultStyleNamespace, new Vector2(freezeWidth, 0f));
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if (freezeRows > 0 && freezeCols > 0)
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m_FrozenCornerRenderer.CreateBackground(freezeWidth, freezeHeight, m_DefaultStyleNamespace);
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}
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private void CreateOrUpdateSelectionOverlays(int freezeRows, int freezeCols)
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{
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int rows = m_RowHeights.Length;
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int cols = m_ColWidths.Length;
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m_NormalSelectionOverlay = CreateOrUpdateSelectionOverlay(ContentTransform, m_NormalSelectionOverlay, freezeRows, rows, freezeCols, cols, "_NormalSelectionOverlay");
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m_FrozenColumnSelectionOverlay = CreateOrUpdateSelectionOverlay(m_FrozenColumnsContainer, m_FrozenColumnSelectionOverlay, freezeRows, rows, 0, freezeCols, "_FrozenColumnSelectionOverlay");
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m_FrozenRowSelectionOverlay = CreateOrUpdateSelectionOverlay(m_FrozenRowsContainer, m_FrozenRowSelectionOverlay, 0, freezeRows, freezeCols, cols, "_FrozenRowSelectionOverlay");
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m_FrozenCornerSelectionOverlay = CreateOrUpdateSelectionOverlay(m_FrozenCornerContainer, m_FrozenCornerSelectionOverlay, 0, freezeRows, 0, freezeCols, "_FrozenCornerSelectionOverlay");
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}
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private XTableSelectionOverlay CreateOrUpdateSelectionOverlay(Transform parent, XTableSelectionOverlay overlay,
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int rowStart, int rowEnd, int colStart, int colEnd, string name)
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{
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// 父容器已销毁：旧引用是“假 null”，直接返回 null 让调用方清空字段，
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// 避免把已销毁引用写回字段后在 RefreshSelectionOverlays 中崩溃。
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if (parent == null) return null;
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// Unity 的 == 能识别已销毁覆盖层的“假 null”，此处会正确重建。
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if (overlay == null)
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{
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var go = new GameObject(name, typeof(RectTransform), typeof(CanvasRenderer), typeof(UnityEngine.UI.Image), typeof(XTableSelectionOverlay));
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go.hideFlags = HideFlags.DontSave | HideFlags.HideInHierarchy;
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go.transform.SetParent(parent, false);
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overlay = go.GetComponent<XTableSelectionOverlay>();
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}
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if (overlay == null) return null;
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// Overlay 必须处于当前区域最上层，才能先于边框和其他 Graphic 接收 PointerDown/Drag。
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overlay.Configure(this, rowStart, rowEnd, colStart, colEnd);
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overlay.transform.SetAsLastSibling();
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return overlay;
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}
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private void RefreshSelectionOverlays()
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{
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// 注意：不能用 ?. —— C# 的 ?. 只检查托管 null，识别不了 Unity 已销毁对象的“假 null”；
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// 对已销毁的覆盖层调用 RefreshVisual 会在 GetComponent 原生层抛 NullReferenceException。
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if (m_NormalSelectionOverlay != null) m_NormalSelectionOverlay.RefreshVisual();
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if (m_FrozenColumnSelectionOverlay != null) m_FrozenColumnSelectionOverlay.RefreshVisual();
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if (m_FrozenRowSelectionOverlay != null) m_FrozenRowSelectionOverlay.RefreshVisual();
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if (m_FrozenCornerSelectionOverlay != null) m_FrozenCornerSelectionOverlay.RefreshVisual();
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}
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private void SyncFrozenContainers()
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{
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if (m_ScrollRect == null || m_ScrollRect.content == null) return;
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Vector2 contentPosition = m_ScrollRect.content.anchoredPosition;
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SyncFrozenContainer(m_FrozenColumnsContainer, new Vector2(0f, contentPosition.y));
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SyncFrozenContainer(m_FrozenRowsContainer, new Vector2(contentPosition.x, 0f));
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SyncFrozenContainer(m_FrozenCornerContainer, Vector2.zero);
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}
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private void SyncFrozenContainer(RectTransform container, Vector2 position)
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{
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if (container == null) return;
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container.anchoredPosition = position;
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container.sizeDelta = new Vector2(m_TotalWidth, m_TotalHeight);
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}
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}
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}
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