372 lines
10 KiB
C#
372 lines
10 KiB
C#
using UnityEditor;
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using UnityEngine;
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using XericUI.XTable.Rendering.Component;
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namespace XericUIEditor.XTable
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{
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/// <summary>
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/// Scene View 表格编辑覆盖层——
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/// 左侧行索引、顶部列索引、底部输入框。
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/// 点击行列交叉区域选中单元格，底部输入框编辑文本。
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/// 不创建任何场景对象，通过 Handles.BeginGUI/EndGUI 绘制。
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/// </summary>
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[InitializeOnLoad]
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public static class XericUIActionTableSceneEditor
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{
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private static bool s_Enabled;
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private const string ENABLED_KEY = "XericUI_TableSceneEditor_Enabled";
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private static string s_EditText = "";
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private static readonly Color s_LabelBg = new Color(0.12f, 0.12f, 0.18f, 0.9f);
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private static readonly Color s_SelectedLabel = new Color(0.2f, 0.5f, 0.9f, 0.6f);
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private static readonly Color s_LabelText = new Color(0.75f, 0.75f, 0.8f);
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private static readonly Color s_InputBg = new Color(0.08f, 0.08f, 0.14f, 0.92f);
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private const float ROW_H = 22f;
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private const float COL_W = 36f;
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private const float MARGIN = 3f;
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static XericUIActionTableSceneEditor()
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{
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s_Enabled = EditorPrefs.GetBool(ENABLED_KEY, true);
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SceneView.duringSceneGui += OnSceneGUI;
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}
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[MenuItem("Xeric UI/表格编辑器覆盖层", false, 200)]
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private static void ToggleEnabled()
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{
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s_Enabled = !s_Enabled;
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EditorPrefs.SetBool(ENABLED_KEY, s_Enabled);
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Menu.SetChecked("Xeric UI/表格编辑器覆盖层", s_Enabled);
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SceneView.RepaintAll();
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}
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[MenuItem("Xeric UI/表格编辑器覆盖层", true)]
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private static bool ToggleEnabledValidate()
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{
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Menu.SetChecked("Xeric UI/表格编辑器覆盖层", s_Enabled);
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return true;
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}
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private static void OnSceneGUI(SceneView sceneView)
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{
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if (!s_Enabled) return;
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GameObject sel = Selection.activeGameObject;
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if (sel == null) return;
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// 不管选了表格祖上还是子孙，都能找到组件
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XericUIActionTable table = sel.GetComponentInChildren<XericUIActionTable>();
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if (table == null)
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table = sel.GetComponentInParent<XericUIActionTable>();
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if (table == null || !table.isActiveAndEnabled) return;
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#if UNITY_EDITOR
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Canvas.ForceUpdateCanvases();
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#endif
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RectTransform tableRt = table.GetComponent<RectTransform>();
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float[] rh = table.RowHeights;
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float[] cw = table.ColWidths;
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if (rh == null || cw == null || rh.Length == 0 || cw.Length == 0) return;
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// GetWorldCorners 返回世界坐标，topleft = corners[1]
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Vector3[] corners = new Vector3[4];
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tableRt.GetWorldCorners(corners);
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Camera svCam = sceneView.camera;
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Rect camRect = svCam.pixelRect;
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// 对 ScreenSpaceOverlay Canvas，世界坐标即屏幕像素坐标
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// 需要映射到 SceneView 本地 GUI 坐标
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Vector2 guiTL = ScreenToSceneViewGUI(corners[1], camRect);
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Vector2 guiBR = ScreenToSceneViewGUI(corners[3], camRect);
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float tableW = guiBR.x - guiTL.x;
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float tableH = guiBR.y - guiTL.y;
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if (tableW <= 0 || tableH <= 0) return;
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float totalW = 0, totalH = 0;
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foreach (float w in cw) totalW += w;
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foreach (float h in rh) totalH += h;
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if (totalW <= 0 || totalH <= 0) return;
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float xScale = tableW / totalW;
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float yScale = tableH / totalH;
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// 表格区域（GUI 坐标，Y 向下）
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Rect tableRect = new Rect(guiTL.x, guiTL.y, tableW, tableH);
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Handles.BeginGUI();
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DrawRowLabels(rh, tableRect, xScale, yScale, table);
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DrawColumnLabels(cw, tableRect, xScale, yScale, table);
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DrawGridLines(rh, cw, tableRect, xScale, yScale);
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DrawSelectionHighlight(rh, cw, tableRect, xScale, yScale, table);
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DrawInputBar(table, tableRect.x, tableRect.y + tableRect.height + MARGIN);
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HandleInput(table, rh, cw, tableRect, xScale, yScale);
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Handles.EndGUI();
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}
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/// <summary>屏幕坐标转 SceneView 本地 GUI 坐标</summary>
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private static Vector2 ScreenToSceneViewGUI(Vector2 screenPos, Rect camPixelRect)
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{
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return new Vector2(
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screenPos.x - camPixelRect.x,
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camPixelRect.yMax - screenPos.y
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);
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}
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#region 行标签
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private static void DrawRowLabels(float[] rh, Rect tableRect,
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float xScale, float yScale, XericUIActionTable table)
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{
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var style = new GUIStyle(GUI.skin.label)
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{
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fontSize = 10,
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normal = { textColor = s_LabelText },
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alignment = TextAnchor.MiddleCenter
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};
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float y = tableRect.y;
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for (int r = 0; r < rh.Length; r++)
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{
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float cellH = rh[r] * yScale;
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if (cellH < 2) { y += cellH; continue; }
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Rect labelRect = new Rect(
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tableRect.x - COL_W - MARGIN,
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y,
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COL_W,
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cellH);
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bool isSelected = (table.SelectedRow == r);
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EditorGUI.DrawRect(labelRect, isSelected ? s_SelectedLabel : s_LabelBg);
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GUI.Label(labelRect, $"{r}", style);
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if (Event.current.type == EventType.MouseDown &&
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Event.current.button == 0 &&
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labelRect.Contains(Event.current.mousePosition))
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{
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int col = table.SelectedCol;
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if (col < 0) col = 0;
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table.SelectCell(r, col);
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table.RefreshView();
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UpdateEditText(table, r, col);
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Event.current.Use();
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SceneView.RepaintAll();
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}
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y += cellH;
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}
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}
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#endregion
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#region 列标签
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private static void DrawColumnLabels(float[] cw, Rect tableRect,
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float xScale, float yScale, XericUIActionTable table)
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{
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var style = new GUIStyle(GUI.skin.label)
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{
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fontSize = 10,
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normal = { textColor = s_LabelText },
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alignment = TextAnchor.MiddleCenter
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};
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float x = tableRect.x;
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for (int c = 0; c < cw.Length; c++)
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{
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float cellW = cw[c] * xScale;
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if (cellW < 2) { x += cellW; continue; }
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Rect labelRect = new Rect(
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x,
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tableRect.y - ROW_H - MARGIN,
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cellW,
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ROW_H);
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bool isSelected = (table.SelectedCol == c);
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EditorGUI.DrawRect(labelRect, isSelected ? s_SelectedLabel : s_LabelBg);
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string text = cellW > 40 ? $"列{c}" : (cellW > 18 ? $"{c}" : "");
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GUI.Label(labelRect, text, style);
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if (Event.current.type == EventType.MouseDown &&
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Event.current.button == 0 &&
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labelRect.Contains(Event.current.mousePosition))
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{
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int row = table.SelectedRow;
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if (row < 0) row = 0;
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table.SelectCell(row, c);
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table.RefreshView();
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UpdateEditText(table, row, c);
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Event.current.Use();
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SceneView.RepaintAll();
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}
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x += cellW;
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}
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}
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#endregion
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#region 网格线
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private static void DrawGridLines(float[] rh, float[] cw, Rect tr,
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float xScale, float yScale)
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{
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Color lineColor = new Color(0.5f, 0.5f, 0.55f, 0.18f);
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float y = tr.y;
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for (int r = 0; r < rh.Length; r++)
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{
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y += rh[r] * yScale;
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EditorGUI.DrawRect(new Rect(tr.x, y, tr.width, 1), lineColor);
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}
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float x = tr.x;
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for (int c = 0; c < cw.Length; c++)
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{
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x += cw[c] * xScale;
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EditorGUI.DrawRect(new Rect(x, tr.y, 1, tr.height), lineColor);
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}
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}
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#endregion
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#region 选中高亮
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private static void DrawSelectionHighlight(float[] rh, float[] cw, Rect tr,
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float xScale, float yScale, XericUIActionTable table)
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{
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int sr = table.SelectedRow;
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int sc = table.SelectedCol;
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if (sr < 0 || sc < 0 || sr >= rh.Length || sc >= cw.Length) return;
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float sx = tr.x;
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for (int c = 0; c < sc; c++) sx += cw[c] * xScale;
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float sy = tr.y;
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for (int r = 0; r < sr; r++) sy += rh[r] * yScale;
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float sw = cw[sc] * xScale;
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float sh = rh[sr] * yScale;
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EditorGUI.DrawRect(new Rect(sx + 1, sy + 1, sw - 2, sh - 2),
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new Color(0.18f, 0.45f, 0.85f, 0.25f));
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}
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#endregion
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#region 底部输入框
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private static void DrawInputBar(XericUIActionTable table, float x, float y)
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{
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Rect barRect = new Rect(x, y, 400, 24);
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EditorGUI.DrawRect(barRect, s_InputBg);
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if (table.SelectedRow >= 0 && table.SelectedCol >= 0)
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{
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var labelStyle = new GUIStyle(GUI.skin.label)
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{
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fontSize = 11,
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normal = { textColor = s_LabelText },
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alignment = TextAnchor.MiddleCenter
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};
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GUI.Label(new Rect(barRect.x + 4, barRect.y, 50, barRect.height),
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$"({table.SelectedRow},{table.SelectedCol})", labelStyle);
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var inputStyle = new GUIStyle(GUI.skin.textField)
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{
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fontSize = 12,
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margin = new RectOffset(2, 2, 2, 2)
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};
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Rect inputRect = new Rect(barRect.x + 56, barRect.y + 2, 180, barRect.height - 4);
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s_EditText = GUI.TextField(inputRect, s_EditText, inputStyle);
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var btnStyle = new GUIStyle(GUI.skin.button)
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{
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fontSize = 11,
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margin = new RectOffset(2, 2, 2, 2),
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padding = new RectOffset(4, 4, 2, 2)
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};
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if (GUI.Button(new Rect(barRect.x + 242, barRect.y + 2, 50, barRect.height - 4),
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"应用", btnStyle))
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{
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ApplyEdit(table);
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}
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}
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else
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{
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var hintStyle = new GUIStyle(GUI.skin.label)
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{
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fontSize = 10,
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normal = { textColor = new Color(0.5f, 0.5f, 0.5f) },
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alignment = TextAnchor.MiddleCenter
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};
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GUI.Label(barRect, "点击左侧行号或上方列号选中单元格", hintStyle);
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}
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}
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private static void ApplyEdit(XericUIActionTable table)
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{
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if (table.SelectedRow < 0 || table.SelectedCol < 0) return;
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table.SetCellText(table.SelectedRow, table.SelectedCol, s_EditText);
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table.RefreshView();
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SceneView.RepaintAll();
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}
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private static void UpdateEditText(XericUIActionTable table, int row, int col)
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{
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var data = table.GetCellData(row, col);
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s_EditText = data != null ? data.Text ?? "" : "";
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}
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#endregion
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#region 表格区域点击
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private static void HandleInput(XericUIActionTable table,
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float[] rh, float[] cw, Rect tr,
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float xScale, float yScale)
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{
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Event e = Event.current;
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if (e.type != EventType.MouseDown || e.button != 0) return;
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if (!tr.Contains(e.mousePosition)) return;
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float rx = (e.mousePosition.x - tr.x) / xScale;
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float ry = (e.mousePosition.y - tr.y) / yScale;
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int col = IndexFromCoord(rx, cw);
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int row = IndexFromCoord(ry, rh);
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if (row < 0 || col < 0) return;
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table.SelectCell(row, col);
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table.RefreshView();
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UpdateEditText(table, row, col);
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e.Use();
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SceneView.RepaintAll();
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}
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#endregion
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private static int IndexFromCoord(float coord, float[] sizes)
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{
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float acc = 0;
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for (int i = 0; i < sizes.Length; i++)
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{
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if (coord >= acc && coord < acc + sizes[i]) return i;
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acc += sizes[i];
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}
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return -1;
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}
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}
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}
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