From 71c0ba1f01b98770ec2c60cdb935ffb36c1830a9 Mon Sep 17 00:00:00 2001
From: joonhoekim <26rote@gmail.com>
Date: Mon, 8 Dec 2025 12:08:00 +0900
Subject: (김준회) 테이블 커스텀 훅 버전 생성
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---
 .../client-table-v3/client-virtual-table.tsx       | 309 +++++++++++++++++++++
 1 file changed, 309 insertions(+)
 create mode 100644 components/client-table-v3/client-virtual-table.tsx

(limited to 'components/client-table-v3/client-virtual-table.tsx')

diff --git a/components/client-table-v3/client-virtual-table.tsx b/components/client-table-v3/client-virtual-table.tsx
new file mode 100644
index 00000000..7a092326
--- /dev/null
+++ b/components/client-table-v3/client-virtual-table.tsx
@@ -0,0 +1,309 @@
+"use client";
+
+import * as React from "react";
+import { Table, flexRender } from "@tanstack/react-table";
+import { useVirtualizer } from "@tanstack/react-virtual";
+import {
+  DndContext,
+  closestCenter,
+  KeyboardSensor,
+  PointerSensor,
+  useSensor,
+  useSensors,
+  DragEndEvent,
+} from "@dnd-kit/core";
+import {
+  arrayMove,
+  SortableContext,
+  horizontalListSortingStrategy,
+} from "@dnd-kit/sortable";
+import { cn } from "@/lib/utils";
+import { Loader2, ChevronRight, ChevronDown } from "lucide-react";
+
+import { ClientTableToolbar } from "../client-table/client-table-toolbar";
+import { exportToExcel } from "../client-table/export-utils";
+import { ClientDataTablePagination } from "@/components/client-data-table/data-table-pagination";
+import { ClientTableViewOptions } from "../client-table/client-table-view-options";
+
+import { ClientTableColumnHeader } from "./client-table-column-header";
+import { ClientTablePreset } from "./client-table-preset";
+import { ClientVirtualTableProps } from "./types";
+
+export function ClientVirtualTable<TData>({
+  table,
+  isLoading = false,
+  height = "100%",
+  estimateRowHeight = 40,
+  className,
+  actions,
+  customToolbar,
+  enableExport = true,
+  onExport,
+  enableUserPreset = false,
+  tableKey,
+  getRowClassName,
+  onRowClick,
+  renderHeaderVisualFeedback,
+}: ClientVirtualTableProps<TData>) {
+  // --- DnD Sensors ---
+  const sensors = useSensors(
+    useSensor(PointerSensor, {
+      activationConstraint: {
+        distance: 8,
+      },
+    }),
+    useSensor(KeyboardSensor)
+  );
+
+  // --- Drag Handler ---
+  const handleDragEnd = (event: DragEndEvent) => {
+    const { active, over } = event;
+    if (active && over && active.id !== over.id) {
+      const activeId = active.id as string;
+      const overId = over.id as string;
+
+      const activeColumn = table.getColumn(activeId);
+      const overColumn = table.getColumn(overId);
+
+      if (activeColumn && overColumn) {
+        const activePinState = activeColumn.getIsPinned();
+        const overPinState = overColumn.getIsPinned();
+
+        // If dragging between different pin states, update the pin state
+        if (activePinState !== overPinState) {
+          activeColumn.pin(overPinState);
+        }
+
+        // Reorder
+        const currentOrder = table.getState().columnOrder;
+        const oldIndex = currentOrder.indexOf(activeId);
+        const newIndex = currentOrder.indexOf(overId);
+        
+        if (oldIndex !== -1 && newIndex !== -1) {
+            table.setColumnOrder(arrayMove(currentOrder, oldIndex, newIndex));
+        }
+      }
+    }
+  };
+
+  // --- Virtualization ---
+  const tableContainerRef = React.useRef<HTMLDivElement>(null);
+  const { rows } = table.getRowModel();
+
+  const rowVirtualizer = useVirtualizer({
+    count: rows.length,
+    getScrollElement: () => tableContainerRef.current,
+    estimateSize: () => estimateRowHeight,
+    overscan: 10,
+  });
+
+  const virtualRows = rowVirtualizer.getVirtualItems();
+  const totalSize = rowVirtualizer.getTotalSize();
+
+  const paddingTop = virtualRows.length > 0 ? virtualRows?.[0]?.start || 0 : 0;
+  const paddingBottom =
+    virtualRows.length > 0
+      ? totalSize - (virtualRows?.[virtualRows.length - 1]?.end || 0)
+      : 0;
+
+  // --- Export ---
+  const handleExport = async () => {
+    if (onExport) {
+      onExport(table.getFilteredRowModel().rows.map((r) => r.original));
+      return;
+    }
+    const currentData = table.getFilteredRowModel().rows.map((row) => row.original);
+    // Note: exportToExcel needs columns definition. table.getAllColumns() or visible columns?
+    // Using table.getAllLeafColumns() usually.
+    await exportToExcel(currentData, table.getAllLeafColumns(), `export-${new Date().toISOString().slice(0, 10)}.xlsx`);
+  };
+
+  const columns = table.getVisibleLeafColumns();
+  const data = table.getFilteredRowModel().rows; // or just rows which is from getRowModel
+
+  return (
+    <div
+      className={cn("flex flex-col gap-4", className)}
+      style={{ height }}
+    >
+      <ClientTableToolbar
+        globalFilter={table.getState().globalFilter ?? ""}
+        setGlobalFilter={table.setGlobalFilter}
+        totalRows={table.getRowCount()}
+        visibleRows={table.getRowModel().rows.length}
+        onExport={enableExport ? handleExport : undefined}
+        viewOptions={
+          <>
+            <ClientTableViewOptions table={table} />
+            {enableUserPreset && tableKey && (
+              <ClientTablePreset table={table} tableKey={tableKey} />
+            )}
+          </>
+        }
+        customToolbar={customToolbar}
+        actions={actions}
+      />
+
+      <div
+        ref={tableContainerRef}
+        className="relative border rounded-md overflow-auto bg-background flex-1 min-h-0"
+      >
+        {isLoading && (
+          <div className="absolute inset-0 z-50 flex items-center justify-center bg-background/50 backdrop-blur-sm">
+            <Loader2 className="h-8 w-8 animate-spin text-primary" />
+          </div>
+        )}
+
+        <DndContext
+          sensors={sensors}
+          collisionDetection={closestCenter}
+          onDragEnd={handleDragEnd}
+        >
+          <table
+            className="table-fixed border-collapse w-full min-w-full"
+            style={{ width: table.getTotalSize() }}
+          >
+            <thead className="sticky top-0 z-40 bg-muted">
+              {table.getHeaderGroups().map((headerGroup) => (
+                <tr key={headerGroup.id}>
+                  <SortableContext
+                    items={headerGroup.headers.map((h) => h.id)}
+                    strategy={horizontalListSortingStrategy}
+                  >
+                    {headerGroup.headers.map((header) => (
+                      <ClientTableColumnHeader
+                        key={header.id}
+                        header={header}
+                        enableReordering={true}
+                        renderHeaderVisualFeedback={renderHeaderVisualFeedback}
+                      />
+                    ))}
+                  </SortableContext>
+                </tr>
+              ))}
+            </thead>
+            <tbody>
+              {paddingTop > 0 && (
+                <tr>
+                  <td style={{ height: `${paddingTop}px` }} />
+                </tr>
+              )}
+              {virtualRows.length === 0 && !isLoading ? (
+                <tr>
+                  <td colSpan={columns.length} className="h-24 text-center">
+                    No results.
+                  </td>
+                </tr>
+              ) : (
+                virtualRows.map((virtualRow) => {
+                  const row = rows[virtualRow.index];
+
+                  // --- Group Header Rendering ---
+                  if (row.getIsGrouped()) {
+                    const groupingColumnId = row.groupingColumnId ?? "";
+                    const groupingValue = row.getGroupingValue(groupingColumnId);
+
+                    return (
+                      <tr
+                        key={row.id}
+                        className="hover:bg-muted/50 border-b bg-muted/30"
+                        style={{ height: `${virtualRow.size}px` }}
+                      >
+                        <td
+                          colSpan={columns.length}
+                          className="px-4 py-2 text-left font-medium cursor-pointer"
+                          onClick={row.getToggleExpandedHandler()}
+                        >
+                          <div className="flex items-center gap-2">
+                            {row.getIsExpanded() ? (
+                              <ChevronDown className="h-4 w-4" />
+                            ) : (
+                              <ChevronRight className="h-4 w-4" />
+                            )}
+                            <span className="flex items-center gap-2">
+                              <span className="font-bold capitalize">
+                                {groupingColumnId}:
+                              </span>
+                              <span>
+                                {String(groupingValue)}
+                              </span>
+                              <span className="text-muted-foreground text-sm font-normal">
+                                ({row.subRows.length})
+                              </span>
+                            </span>
+                          </div>
+                        </td>
+                      </tr>
+                    );
+                  }
+
+                  // --- Normal Row Rendering ---
+                  return (
+                    <tr
+                      key={row.id}
+                      className={cn(
+                        "hover:bg-muted/50 border-b last:border-0",
+                        getRowClassName ? getRowClassName(row.original, row.index) : "",
+                        onRowClick ? "cursor-pointer" : ""
+                      )}
+                      style={{ height: `${virtualRow.size}px` }}
+                      onClick={(e) => onRowClick?.(row, e)}
+                    >
+                      {row.getVisibleCells().map((cell) => {
+                        const isPinned = cell.column.getIsPinned();
+                        const isGrouped = cell.column.getIsGrouped();
+
+                        const style: React.CSSProperties = {
+                          width: cell.column.getSize(),
+                        };
+                        if (isPinned === "left") {
+                          style.position = "sticky";
+                          style.left = `${cell.column.getStart("left")}px`;
+                          style.zIndex = 20;
+                        } else if (isPinned === "right") {
+                          style.position = "sticky";
+                          style.right = `${cell.column.getAfter("right")}px`;
+                          style.zIndex = 20;
+                        }
+
+                        return (
+                          <td
+                            key={cell.id}
+                            className={cn(
+                              "px-2 py-0 text-sm truncate border-b bg-background",
+                              isGrouped ? "bg-muted/20" : ""
+                            )}
+                            style={style}
+                          >
+                            {cell.getIsGrouped() ? null : cell.getIsAggregated() ? (
+                              flexRender(
+                                cell.column.columnDef.aggregatedCell ??
+                                  cell.column.columnDef.cell,
+                                cell.getContext()
+                              )
+                            ) : cell.getIsPlaceholder() ? null : (
+                              flexRender(cell.column.columnDef.cell, cell.getContext())
+                            )}
+                          </td>
+                        );
+                      })}
+                    </tr>
+                  );
+                })
+              )}
+              {paddingBottom > 0 && (
+                <tr>
+                  <td style={{ height: `${paddingBottom}px` }} />
+                </tr>
+              )}
+            </tbody>
+          </table>
+        </DndContext>
+      </div>
+
+      <ClientDataTablePagination table={table} />
+    </div>
+  );
+}
+
+
-- 
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