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美国版/Food Labeling Management Platform/src/components/labels/LabelTemplatesView.tsx 22 KB
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  import React, { useState, useCallback, useEffect, useRef, useMemo } from 'react';
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  import {
    Table,
    TableBody,
    TableCell,
    TableHead,
    TableHeader,
    TableRow,
  } from '../ui/table';
  import { Input } from '../ui/input';
  import { Button } from '../ui/button';
  import {
    Select,
    SelectContent,
    SelectItem,
    SelectTrigger,
    SelectValue,
  } from '../ui/select';
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  import {
    Dialog,
    DialogContent,
    DialogDescription,
    DialogFooter,
    DialogHeader,
    DialogTitle,
  } from '../ui/dialog';
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  import { Plus, Pencil, MoreHorizontal, Trash2, ClipboardList } from 'lucide-react';
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  import { toast } from 'sonner';
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  import { skipCountForPage } from '../../lib/paginationQuery';
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  import { Popover, PopoverContent, PopoverTrigger } from '../ui/popover';
  import {
    Pagination,
    PaginationContent,
    PaginationItem,
    PaginationLink,
    PaginationNext,
    PaginationPrevious,
  } from '../ui/pagination';
  import { getLabelTemplates, getLabelTemplate, deleteLabelTemplate } from '../../services/labelTemplateService';
  import { getLocations } from '../../services/locationService';
  import { appliedLocationToEditor, type LabelTemplateDto } from '../../types/labelTemplate';
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  import { LabelTemplateEditor } from './LabelTemplateEditor';
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  import { LabelTemplateDataEntryView } from './LabelTemplateDataEntryView';
  import type { LabelElement, LabelTemplate } from '../../types/labelTemplate';
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  import type { LocationDto } from '../../types/location';
  
  function toDisplay(v: string | null | undefined): string {
    const s = (v ?? "").trim();
    return s ? s : "None";
  }
  
  function locationColumnText(t: LabelTemplateDto, locations: LocationDto[]): string {
    const mode = appliedLocationToEditor(t);
    if (mode === "ALL") return "All";
    const ids = t.appliedLocationIds ?? [];
    if (ids.length === 0) return "Specified (0)";
    const names = ids.map(
      (id) => locations.find((l) => l.id === id)?.locationName?.trim() || id,
    );
    if (names.length <= 2) return names.join(", ");
    return `${names.slice(0, 2).join(", ")} +${names.length - 2}`;
  }
  
  /** 列表行:名称列 ← templateName / name */
  function templateListDisplayName(t: LabelTemplateDto): string {
    const n = (t.templateName ?? t.name ?? "").trim();
    return n ? n : "None";
  }
  
  /** 列表行:模板编码列 ← templateCode / id */
  function templateListDisplayCode(t: LabelTemplateDto): string {
    const c = (t.templateCode ?? t.id ?? "").trim();
    return c ? c : "None";
  }
  
  /** 列表行:门店展示 ← locationText,缺省时再推导 */
  function templateListDisplayLocation(t: LabelTemplateDto, locations: LocationDto[]): string {
    const lt = (t.locationText ?? "").trim();
    if (lt) return lt;
    return locationColumnText(t, locations);
  }
  
  /** 列表行:元素数量 ← contentsCount / elements.length */
  function templateListContentsCount(t: LabelTemplateDto): number {
    if (typeof t.contentsCount === "number") return t.contentsCount;
    return t.elements?.length ?? 0;
  }
  
  /** 列表行:尺寸 ← sizeText,缺省时用 width×height unit */
  function templateListDisplaySize(t: LabelTemplateDto): string {
    const st = (t.sizeText ?? "").trim();
    if (st) return st;
    const w = t.width;
    const h = t.height;
    const u = t.unit;
    if (w != null && h != null && u) return `${w}×${h} ${u}`;
    return "None";
  }
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  export function LabelTemplatesView() {
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    const [templates, setTemplates] = useState<LabelTemplateDto[]>([]);
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    const [viewMode, setViewMode] = useState<'list' | 'editor' | 'dataEntry'>('list');
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    const [editingTemplateId, setEditingTemplateId] = useState<string | null>(null);
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    const [dataEntryTemplateCode, setDataEntryTemplateCode] = useState<string | null>(null);
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    const [initialTemplate, setInitialTemplate] = useState<LabelTemplate | null>(null);
    const [loading, setLoading] = useState(false);
    const [total, setTotal] = useState(0);
    const [refreshSeq, setRefreshSeq] = useState(0);
    const [actionsOpenForId, setActionsOpenForId] = useState<string | null>(null);
    const [isDeleteDialogOpen, setIsDeleteDialogOpen] = useState(false);
    const [deletingTemplate, setDeletingTemplate] = useState<LabelTemplateDto | null>(null);
  
    const [keyword, setKeyword] = useState('');
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    const [locationFilter, setLocationFilter] = useState('all');
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    const [labelTypeFilter, setLabelTypeFilter] = useState<string>('all');
    const [stateFilter, setStateFilter] = useState<string>('all');
  
    const [pageIndex, setPageIndex] = useState(1);
    const [pageSize, setPageSize] = useState(10);
    const [locations, setLocations] = useState<LocationDto[]>([]);
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    const abortRef = useRef<AbortController | null>(null);
    const keywordTimerRef = useRef<number | null>(null);
    const [debouncedKeyword, setDebouncedKeyword] = useState('');
  
    useEffect(() => {
      if (keywordTimerRef.current) window.clearTimeout(keywordTimerRef.current);
      keywordTimerRef.current = window.setTimeout(() => setDebouncedKeyword(keyword.trim()), 300);
      return () => {
        if (keywordTimerRef.current) window.clearTimeout(keywordTimerRef.current);
      };
    }, [keyword]);
  
    const totalPages = Math.max(1, Math.ceil(total / pageSize));
  
    useEffect(() => {
      let cancelled = false;
      (async () => {
        try {
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          const res = await getLocations({ skipCount: 1, maxResultCount: 500 });
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          if (!cancelled) setLocations(res.items ?? []);
        } catch {
          if (!cancelled) setLocations([]);
        }
      })();
      return () => {
        cancelled = true;
      };
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    }, []);
  
    useEffect(() => {
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      setPageIndex(1);
    }, [debouncedKeyword, locationFilter, labelTypeFilter, stateFilter, pageSize]);
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    useEffect(() => {
      if (viewMode !== 'list') return;
  
      const run = async () => {
        abortRef.current?.abort();
        const ac = new AbortController();
        abortRef.current = ac;
  
        setLoading(true);
        try {
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          const skipCount = skipCountForPage(pageIndex);
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          const res = await getLabelTemplates(
            {
              skipCount,
              maxResultCount: pageSize,
              keyword: debouncedKeyword || undefined,
              locationId: locationFilter !== 'all' ? locationFilter : undefined,
              labelType: labelTypeFilter !== 'all' ? (labelTypeFilter as any) : undefined,
              state: stateFilter === 'all' ? undefined : stateFilter === 'true',
            },
            ac.signal,
          );
  
          setTemplates(res.items ?? []);
          setTotal(res.totalCount ?? 0);
        } catch (e: any) {
          if (e?.name === 'AbortError') return;
          toast.error('Failed to load label templates.', {
            description: e?.message ? String(e.message) : 'Please try again.',
          });
          setTemplates([]);
          setTotal(0);
        } finally {
          setLoading(false);
        }
      };
  
      run();
      return () => abortRef.current?.abort();
    }, [debouncedKeyword, locationFilter, labelTypeFilter, stateFilter, pageIndex, pageSize, refreshSeq, viewMode]);
  
    const refreshList = () => setRefreshSeq((x) => x + 1);
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    const handleNewTemplate = () => {
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      setEditingTemplateId(null);
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      setInitialTemplate(null);
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      setViewMode('editor');
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    };
  
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    const handleEditTemplate = async (templateCode: string) => {
      setEditingTemplateId(templateCode);
      setLoading(true);
      try {
        const apiTemplate = await getLabelTemplate(templateCode);
        // 转换 API 返回的 DTO 到编辑器需要的格式
        const editorTemplate: LabelTemplate = {
          id: apiTemplate.id,
          name: (apiTemplate.name ?? apiTemplate.templateName ?? '').trim() || '未命名模板',
          labelType: (apiTemplate.labelType as any) ?? 'PRICE',
          unit: (apiTemplate.unit as any) ?? 'cm',
          width: apiTemplate.width ?? 6,
          height: apiTemplate.height ?? 4,
          appliedLocation: appliedLocationToEditor(apiTemplate),
          appliedLocationIds: [...(apiTemplate.appliedLocationIds ?? [])],
          showRuler: apiTemplate.showRuler ?? true,
          showGrid: apiTemplate.showGrid ?? true,
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          elements: (apiTemplate.elements ?? []).map((raw, idx) => {
            const el = raw as LabelElement;
            const en = (el.elementName ?? "").trim();
            return {
              ...el,
              elementName: en || `element${idx + 1}`,
            };
          }),
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        };
        setInitialTemplate(editorTemplate);
        setViewMode('editor');
      } catch (e: any) {
        toast.error('Failed to load template.', {
          description: e?.message ? String(e.message) : 'Please try again.',
        });
      } finally {
        setLoading(false);
      }
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    };
  
    const handleCloseEditor = () => {
      setViewMode('list');
      setEditingTemplateId(null);
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      setInitialTemplate(null);
    };
  
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    const handleOpenDataEntry = (templateCode: string) => {
      setActionsOpenForId(null);
      setDataEntryTemplateCode(templateCode);
      setViewMode('dataEntry');
    };
  
    const handleCloseDataEntry = () => {
      setViewMode('list');
      setDataEntryTemplateCode(null);
    };
  
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    const openDelete = (template: LabelTemplateDto) => {
      setActionsOpenForId(null);
      setDeletingTemplate(template);
      setIsDeleteDialogOpen(true);
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    };
  
    if (viewMode === 'editor') {
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      return (
        <div className="h-[calc(100vh-8rem)] min-h-[500px] flex flex-col">
          <LabelTemplateEditor
            templateId={editingTemplateId}
            initialTemplate={initialTemplate}
            onClose={handleCloseEditor}
            onSaved={refreshList}
          />
        </div>
      );
    }
  
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    if (viewMode === 'dataEntry' && dataEntryTemplateCode) {
      return (
        <div className="h-[calc(100vh-8rem)] min-h-[500px] flex flex-col pt-2">
          <LabelTemplateDataEntryView
            templateCode={dataEntryTemplateCode}
            onBack={handleCloseDataEntry}
          />
        </div>
      );
    }
  
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    return (
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      <div className="h-full flex flex-col">
        <div className="pb-4">
          <div className="flex flex-col gap-4">
            <div className="flex flex-nowrap items-center gap-3">
              <Input
                placeholder="Search"
                value={keyword}
                onChange={(e) => setKeyword(e.target.value)}
                style={{ height: 40, boxSizing: 'border-box' }}
                className="bg-white border border-gray-300 rounded-md w-40 shrink-0 placeholder:text-gray-500"
              />
              <Select value={locationFilter} onValueChange={setLocationFilter}>
                <SelectTrigger className="bg-white border border-gray-300 rounded-md w-[150px] shrink-0" style={{ height: 40, boxSizing: 'border-box' }}>
                  <SelectValue placeholder="Location" />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="all">All Locations</SelectItem>
                  {locations.map((loc) => (
                    <SelectItem key={loc.id} value={loc.id}>
                      {toDisplay(loc.locationName ?? loc.locationCode ?? loc.id)}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
              <Select value={labelTypeFilter} onValueChange={setLabelTypeFilter}>
                <SelectTrigger className="bg-white border border-gray-300 rounded-md w-[150px] shrink-0" style={{ height: 40, boxSizing: 'border-box' }}>
                  <SelectValue placeholder="Label Type" />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="all">All Types</SelectItem>
                  <SelectItem value="PRICE">PRICE</SelectItem>
                  <SelectItem value="NUTRITION">NUTRITION</SelectItem>
                  <SelectItem value="SHIPPING">SHIPPING</SelectItem>
                </SelectContent>
              </Select>
              <Select value={stateFilter} onValueChange={setStateFilter}>
                <SelectTrigger className="bg-white border border-gray-300 rounded-md w-[150px] shrink-0" style={{ height: 40, boxSizing: 'border-box' }}>
                  <SelectValue placeholder="State" />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="all">All States</SelectItem>
                  <SelectItem value="true">Active</SelectItem>
                  <SelectItem value="false">Inactive</SelectItem>
                </SelectContent>
              </Select>
              <div className="flex-1" />
              <Button
                className="bg-blue-600 hover:bg-blue-700 text-white font-medium rounded-md h-10 px-6 shrink-0"
                onClick={handleNewTemplate}
              >
                New Label Template <Plus className="ml-1 w-4 h-4" />
              </Button>
            </div>
          </div>
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        </div>
  
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        <div className="flex-1 overflow-auto pt-6">
          <div className="rounded-md border bg-white shadow-sm">
            <Table>
              <TableHeader>
                <TableRow className="bg-gray-50 hover:bg-gray-50">
                  <TableHead className="font-bold text-gray-900 w-[180px]">Label Template</TableHead>
                  <TableHead className="font-bold text-gray-900 w-[120px]">Template Code</TableHead>
                  <TableHead className="font-bold text-gray-900 w-[120px]">Location</TableHead>
                  <TableHead className="font-bold text-gray-900 w-[100px]">Label Type</TableHead>
                  <TableHead className="font-bold text-gray-900">Contents</TableHead>
                  <TableHead className="font-bold text-gray-900 w-[150px]">Size</TableHead>
                  <TableHead className="font-bold text-gray-900 text-center w-[100px]">Actions</TableHead>
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                </TableRow>
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              </TableHeader>
              <TableBody>
                {loading ? (
                  <TableRow>
                    <TableCell colSpan={7} className="text-center text-sm text-gray-500 py-10">
                      Loading...
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                    </TableCell>
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                  </TableRow>
                ) : templates.length === 0 ? (
                  <TableRow>
                    <TableCell colSpan={7} className="text-center text-sm text-gray-500 py-10">
                      No templates yet. Click &quot;New Label Template&quot; to create one.
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                    </TableCell>
                  </TableRow>
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                ) : (
                  templates.map((t) => (
                    <TableRow key={t.id} className="hover:bg-gray-50">
                      <TableCell className="font-medium whitespace-nowrap overflow-hidden text-ellipsis max-w-[180px]">
                        {templateListDisplayName(t)}
                      </TableCell>
                      <TableCell className="text-gray-600 whitespace-nowrap overflow-hidden text-ellipsis max-w-[140px]">
                        {templateListDisplayCode(t)}
                      </TableCell>
                      <TableCell className="whitespace-nowrap overflow-hidden text-ellipsis max-w-[140px]">
                        {toDisplay(templateListDisplayLocation(t, locations))}
                      </TableCell>
                      <TableCell className="whitespace-nowrap">{toDisplay(t.labelType)}</TableCell>
                      <TableCell className="text-sm text-gray-600 whitespace-nowrap">
                        {templateListContentsCount(t)} element(s)
                      </TableCell>
                      <TableCell className="whitespace-nowrap overflow-hidden text-ellipsis max-w-[160px]">
                        {templateListDisplaySize(t)}
                      </TableCell>
                      <TableCell className="text-center">
                        <Popover
                          open={actionsOpenForId === t.id}
                          onOpenChange={(open) => setActionsOpenForId(open ? t.id : null)}
                        >
                          <PopoverTrigger asChild>
                            <Button
                              type="button"
                              variant="ghost"
                              size="icon"
                              className="h-8 w-8"
                              aria-label="Row actions"
                            >
                              <MoreHorizontal className="h-4 w-4 text-gray-500" />
                            </Button>
                          </PopoverTrigger>
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                          <PopoverContent align="end" className="w-48 p-1">
                            <Button
                              type="button"
                              variant="ghost"
                              className="w-full justify-start gap-2 h-9 px-2 font-normal"
                              title="录入数据"
                              onClick={() => handleOpenDataEntry(t.id)}
                            >
                              <ClipboardList className="w-4 h-4" />
                              Enter Data
                            </Button>
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                            <Button
                              type="button"
                              variant="ghost"
                              className="w-full justify-start gap-2 h-9 px-2 font-normal"
                              onClick={() => handleEditTemplate(t.id)}
                            >
                              <Pencil className="w-4 h-4" />
                              Edit
                            </Button>
                            <Button
                              type="button"
                              variant="ghost"
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                              className="w-full justify-start gap-2 h-9 px-2 font-normal text-red-600 hover:text-red-700 hover:bg-red-50"
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                              onClick={() => openDelete(t)}
                            >
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                              <Trash2 className="w-4 h-4 shrink-0" />
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                              Delete
                            </Button>
                          </PopoverContent>
                        </Popover>
                      </TableCell>
                    </TableRow>
                  ))
                )}
              </TableBody>
            </Table>
          </div>
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        </div>
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        <div className="pt-4">
          <div className="flex items-center justify-between text-sm text-gray-600">
            <div>
              Showing {total === 0 ? 0 : (pageIndex - 1) * pageSize + 1}-
              {Math.min(pageIndex * pageSize, total)} of {total}
            </div>
            <div className="flex items-center gap-3">
              <Select value={String(pageSize)} onValueChange={(v) => setPageSize(Number(v))}>
                <SelectTrigger className="w-[110px] h-9 rounded-md border border-gray-300 bg-white text-gray-900">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  {[10, 20, 50].map((n) => (
                    <SelectItem key={n} value={String(n)}>
                      {n} / page
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
              <Pagination className="mx-0 w-auto justify-end">
                <PaginationContent>
                  <PaginationItem>
                    <PaginationPrevious
                      href="#"
                      size="default"
                      onClick={(e) => {
                        e.preventDefault();
                        setPageIndex((p) => Math.max(1, p - 1));
                      }}
                      aria-disabled={pageIndex <= 1}
                      className={pageIndex <= 1 ? "pointer-events-none opacity-50" : ""}
                    />
                  </PaginationItem>
                  <PaginationItem>
                    <PaginationLink
                      href="#"
                      isActive
                      size="default"
                      onClick={(e) => e.preventDefault()}
                    >
                      Page {pageIndex} / {totalPages}
                    </PaginationLink>
                  </PaginationItem>
                  <PaginationItem>
                    <PaginationNext
                      href="#"
                      size="default"
                      onClick={(e) => {
                        e.preventDefault();
                        setPageIndex((p) => Math.min(totalPages, p + 1));
                      }}
                      aria-disabled={pageIndex >= totalPages}
                      className={pageIndex >= totalPages ? "pointer-events-none opacity-50" : ""}
                    />
                  </PaginationItem>
                </PaginationContent>
              </Pagination>
            </div>
          </div>
        </div>
  
        <DeleteLabelTemplateDialog
          open={isDeleteDialogOpen}
          template={deletingTemplate}
          onOpenChange={(open) => {
            setIsDeleteDialogOpen(open);
            if (!open) setDeletingTemplate(null);
          }}
          onDeleted={refreshList}
        />
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      </div>
    );
  }
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  function DeleteLabelTemplateDialog({
    open,
    template,
    onOpenChange,
    onDeleted,
  }: {
    open: boolean;
    template: LabelTemplateDto | null;
    onOpenChange: (open: boolean) => void;
    onDeleted: () => void;
  }) {
    const [submitting, setSubmitting] = useState(false);
  
    const name = useMemo(() => {
      const n = (template?.templateName ?? template?.name ?? "").trim();
      return n || (template?.templateCode ?? template?.id ?? "").trim() || "this template";
    }, [template]);
  
    const submit = async () => {
      if (!template?.id) return;
      setSubmitting(true);
      try {
        await deleteLabelTemplate(template.id);
        toast.success("Label template deleted.", {
          description: "The label template has been removed successfully.",
        });
        onOpenChange(false);
        onDeleted();
      } catch (e: any) {
        toast.error("Failed to delete label template.", {
          description: e?.message ? String(e.message) : "Please try again.",
        });
      } finally {
        setSubmitting(false);
      }
    };
  
    return (
      <Dialog open={open} onOpenChange={onOpenChange}>
        <DialogContent className="sm:max-w-none" style={{ width: "30%" }}>
          <DialogHeader>
            <DialogTitle>Delete Label Template</DialogTitle>
            <DialogDescription>This action cannot be undone.</DialogDescription>
          </DialogHeader>
  
          <div className="text-sm text-gray-700">
            Are you sure you want to delete <span className="font-medium">{name}</span>?
          </div>
  
          <DialogFooter className="flex-row flex-wrap justify-end">
            <Button className="min-w-24" variant="outline" onClick={() => onOpenChange(false)}>
              Cancel
            </Button>
            <Button
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              className="min-w-24 gap-2"
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              variant="destructive"
              disabled={submitting}
              onClick={submit}
            >
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              <Trash2 className="h-4 w-4 shrink-0" />
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              {submitting ? "Deleting..." : "Delete"}
            </Button>
          </DialogFooter>
        </DialogContent>
      </Dialog>
    );
  }