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美国版/Food Labeling Management Platform/src/components/labels/LabelTemplateEditor/PropertiesPanel.tsx 35 KB
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  import React, { useEffect, useState } from 'react';
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  import { ScrollArea } from '../../ui/scroll-area';
  import { Input } from '../../ui/input';
  import { Button } from '../../ui/button';
  import { Label } from '../../ui/label';
  import {
    Select,
    SelectContent,
    SelectItem,
    SelectTrigger,
    SelectValue,
  } from '../../ui/select';
  import { Switch } from '../../ui/switch';
  import type {
    LabelTemplate,
    LabelElement,
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    Unit,
    Rotation,
    Border,
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    NutritionExtraItem,
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  } from '../../../types/labelTemplate';
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  import { canonicalElementType, isBlankSpaceElement, NUTRITION_FIXED_ITEMS } from '../../../types/labelTemplate';
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  import type { LabelMultipleOptionDto } from '../../../types/labelMultipleOption';
  import { getLabelMultipleOptions } from '../../../services/labelMultipleOptionService';
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  import { Checkbox } from '../../ui/checkbox';
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  import { Trash2 } from 'lucide-react';
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  const DATE_FORMAT_OPTIONS = [
    'DD/MM/YYYY',
    'MM/DD/YYYY',
    'DD/MM/YY',
    'MM/DD/YY',
    'MM/YY',
    'MM/DD',
    'MM',
    'DD',
    'YY',
    'FULLY DAY(WEDNESDAY)',
    'DAY (WED)',
    'MONTH (DECEMBER)',
    'YEAR (2025)',
    'DD MONTH YEAR (25 DECEMBER 2025)',
  ] as const;
  const DATETIME_DEFAULT_FORMAT = 'YYYY-MM-DD HH:mm';
  
  const DURATION_FORMAT_OPTIONS = [
    'Minutes',
    'Hours',
    'Days',
    'Weeks',
    'Months (30 Day)',
    'Years',
  ] as const;
  
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  interface PropertiesPanelProps {
    template: LabelTemplate;
    selectedElement: LabelElement | null;
    onTemplateChange: (patch: Partial<LabelTemplate>) => void;
    onElementChange: (id: string, patch: Partial<LabelElement>) => void;
    onDeleteElement?: (id: string) => void;
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    /** 编辑已有模板时禁止修改 Template Code */
    readOnlyTemplateCode?: boolean;
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  }
  
  export function PropertiesPanel({
    template,
    selectedElement,
    onTemplateChange,
    onElementChange,
    onDeleteElement,
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    readOnlyTemplateCode = false,
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  }: PropertiesPanelProps) {
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    void template;
    void onTemplateChange;
    void readOnlyTemplateCode;
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    if (selectedElement) {
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      const isBlankElement = isBlankSpaceElement(selectedElement);
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      return (
        <div className="w-72 shrink-0 border-l border-gray-200 bg-white flex flex-col h-full">
          <div className="px-3 py-2 border-b border-gray-200 font-semibold text-gray-800">
            Properties (Element)
          </div>
          <ScrollArea className="flex-1">
            <div className="p-3 space-y-3">
              <div className="grid grid-cols-2 gap-2">
                <div>
                  <Label className="text-xs">X</Label>
                  <Input
                    type="number"
                    value={selectedElement.x}
                    onChange={(e) =>
                      onElementChange(selectedElement.id, {
                        x: Number(e.target.value) || 0,
                      })
                    }
                    className="h-8 text-sm"
                  />
                </div>
                <div>
                  <Label className="text-xs">Y</Label>
                  <Input
                    type="number"
                    value={selectedElement.y}
                    onChange={(e) =>
                      onElementChange(selectedElement.id, {
                        y: Number(e.target.value) || 0,
                      })
                    }
                    className="h-8 text-sm"
                  />
                </div>
              </div>
              <div className="grid grid-cols-2 gap-2">
                <div>
                  <Label className="text-xs">Width</Label>
                  <Input
                    type="number"
                    value={selectedElement.width}
                    onChange={(e) =>
                      onElementChange(selectedElement.id, {
                        width: Math.max(1, Number(e.target.value) || 0),
                      })
                    }
                    className="h-8 text-sm"
                  />
                </div>
                <div>
                  <Label className="text-xs">Height</Label>
                  <Input
                    type="number"
                    value={selectedElement.height}
                    onChange={(e) =>
                      onElementChange(selectedElement.id, {
                        height: Math.max(1, Number(e.target.value) || 0),
                      })
                    }
                    className="h-8 text-sm"
                  />
                </div>
              </div>
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              {!isBlankElement ? (
                <div>
                  <Label className="text-xs">Rotation</Label>
                  <Select
                    value={selectedElement.rotation}
                    onValueChange={(v: Rotation) =>
                      onElementChange(selectedElement.id, { rotation: v })
                    }
                  >
                    <SelectTrigger className="h-8 text-sm">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="horizontal">horizontal</SelectItem>
                      <SelectItem value="vertical">vertical</SelectItem>
                    </SelectContent>
                  </Select>
                </div>
              ) : null}
              {!isBlankElement ? (
                <div>
                  <Label className="text-xs">Border</Label>
                  <Select
                    value={selectedElement.border}
                    onValueChange={(v: Border) =>
                      onElementChange(selectedElement.id, { border: v })
                    }
                  >
                    <SelectTrigger className="h-8 text-sm">
                      <SelectValue />
                    </SelectTrigger>
                    <SelectContent>
                      <SelectItem value="none">none</SelectItem>
                      <SelectItem value="line">line</SelectItem>
                      <SelectItem value="dotted">dotted</SelectItem>
                    </SelectContent>
                  </Select>
                </div>
              ) : null}
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              <div>
                <Label className="text-xs">Element name</Label>
                <Input
                  value={(selectedElement.elementName ?? "").trim()}
                  onChange={(e) =>
                    onElementChange(selectedElement.id, {
                      elementName: e.target.value,
                    })
                  }
                  className="h-8 text-sm mt-1"
                  placeholder="e.g. text1"
                />
                <p className="text-[10px] text-gray-400 mt-1">
                  Required for save; used as data-entry column header (elementName).
                </p>
              </div>
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              <ElementConfigFields
                element={selectedElement}
                onChange={(config) =>
                  onElementChange(selectedElement.id, { config: { ...selectedElement.config, ...config } })
                }
              />
              {onDeleteElement && (
                <div className="pt-4 border-t border-gray-100">
                  <Button
                    variant="destructive"
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                    className="w-full gap-2"
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                    onClick={() => onDeleteElement(selectedElement.id)}
                  >
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                    <Trash2 className="h-4 w-4 shrink-0" />
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                    Delete Element
                  </Button>
                </div>
              )}
            </div>
          </ScrollArea>
        </div>
      );
    }
  
    return (
      <div className="w-72 shrink-0 border-l border-gray-200 bg-white flex flex-col h-full">
        <div className="px-3 py-2 border-b border-gray-200 font-semibold text-gray-800">
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          Properties (Element)
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        </div>
        <ScrollArea className="flex-1">
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          <div className="p-3">
            <div className="rounded-md border border-blue-100 bg-blue-50/50 p-3 text-xs text-blue-900">
              Select an element on the canvas to edit its properties.
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            </div>
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          </div>
        </ScrollArea>
      </div>
    );
  }
  
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  const MULTIPLE_OPTION_NONE = '__none__';
  
  /** 绑定「Multiple Options」页维护的字典:先选字典,再在该字典的值列表中多选 */
  function MultipleOptionsDictionaryFields({
    cfg,
    onPatch,
  }: {
    cfg: Record<string, unknown>;
    onPatch: (patch: Record<string, unknown>) => void;
  }) {
    const [rows, setRows] = useState<LabelMultipleOptionDto[]>([]);
    const [loading, setLoading] = useState(false);
  
    useEffect(() => {
      let cancelled = false;
      setLoading(true);
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      getLabelMultipleOptions({ skipCount: 1, maxResultCount: 500 })
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        .then((res) => {
          if (!cancelled) setRows(res.items ?? []);
        })
        .catch(() => {
          if (!cancelled) setRows([]);
        })
        .finally(() => {
          if (!cancelled) setLoading(false);
        });
      return () => {
        cancelled = true;
      };
    }, []);
  
    const selectedId = ((cfg.multipleOptionId as string) ?? '').trim();
    const selectedVals = Array.isArray(cfg.selectedOptionValues)
      ? (cfg.selectedOptionValues as string[])
      : [];
    const active = rows.find((r) => r.id === selectedId);
    const valueList = active?.optionValuesJson ?? [];
  
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    /** 从服务端拉到的字典列表就绪后,为已绑定 id 的旧模板补上 multipleOptionName,画布才能显示「名称:」前缀 */
    useEffect(() => {
      if (!selectedId || rows.length === 0) return;
      const row = rows.find((r) => r.id === selectedId);
      const name = String(row?.optionName ?? '').trim();
      if (!row || !name) return;
      const current = String(cfg.multipleOptionName ?? '').trim();
      if (name !== current) {
        onPatch({ multipleOptionName: name });
      }
    }, [selectedId, rows, cfg.multipleOptionName, onPatch]);
  
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    const selectValue = selectedId ? selectedId : MULTIPLE_OPTION_NONE;
  
    return (
      <>
        <div>
          <Label className="text-xs">Option dictionary</Label>
          <Select
            value={selectValue}
            onValueChange={(id) => {
              if (id === MULTIPLE_OPTION_NONE) {
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                onPatch({ multipleOptionId: '', multipleOptionName: '', selectedOptionValues: [] });
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                return;
              }
              const next = rows.find((r) => r.id === id);
              const allowed = new Set(next?.optionValuesJson ?? []);
              const filtered = selectedVals.filter((v) => allowed.has(v));
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              const optName = String(next?.optionName ?? next?.optionCode ?? '').trim();
              onPatch({
                multipleOptionId: id,
                multipleOptionName: optName,
                selectedOptionValues: filtered,
              });
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            }}
            disabled={loading}
          >
            <SelectTrigger className="h-8 text-sm mt-1">
              <SelectValue placeholder={loading ? 'Loading…' : 'Select from Multiple Options'} />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value={MULTIPLE_OPTION_NONE}>— None —</SelectItem>
              {rows.map((o) => (
                <SelectItem key={o.id} value={o.id}>
                  {(o.optionName ?? o.optionCode ?? o.id) as string}
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
          <p className="text-[10px] text-gray-400 mt-1">
            Data comes from the Multiple Options tab (label-multiple-option list).
          </p>
        </div>
        {active && valueList.length > 0 ? (
          <div>
            <Label className="text-xs">Values (multi-select)</Label>
            <div className="mt-1 max-h-44 overflow-y-auto border border-gray-200 rounded-md p-2 space-y-2 bg-gray-50/50">
              {valueList.map((val) => (
                <div key={val} className="flex items-center gap-2 min-w-0">
                  <Checkbox
                    className="shrink-0"
                    checked={selectedVals.includes(val)}
                    onCheckedChange={(checked) => {
                      const set = new Set(selectedVals);
                      if (checked) set.add(val);
                      else set.delete(val);
                      onPatch({ selectedOptionValues: Array.from(set) });
                    }}
                  />
                  <span className="text-xs truncate" title={val}>
                    {val}
                  </span>
                </div>
              ))}
            </div>
          </div>
        ) : selectedId ? (
          <p className="text-[10px] text-amber-600">No values in this dictionary or still loading.</p>
        ) : null}
      </>
    );
  }
  
  function TextStaticStyleFields({
    cfg,
    update,
    textAlignDefault,
  }: {
    cfg: Record<string, unknown>;
    update: (key: string, value: unknown) => void;
    textAlignDefault: string;
  }) {
    return (
      <>
        <div>
          <Label className="text-xs">Text</Label>
          <Input
            value={(cfg.text as string) ?? '0.00'}
            onChange={(e) => update('text', e.target.value)}
            className="h-8 text-sm mt-1"
          />
        </div>
        <div>
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          <Label className="text-xs">Font Size</Label>
          <Input
            type="number"
            value={(cfg.fontSize as number) ?? 14}
            onChange={(e) => update('fontSize', Number(e.target.value) || 14)}
            className="h-8 text-sm mt-1"
          />
        </div>
        <div>
          <Label className="text-xs">Text Align</Label>
          <Select
            value={(cfg.textAlign as string) ?? textAlignDefault}
            onValueChange={(v) => update('textAlign', v)}
          >
            <SelectTrigger className="h-8 text-sm mt-1">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              <SelectItem value="left">Left</SelectItem>
              <SelectItem value="center">Center</SelectItem>
              <SelectItem value="right">Right</SelectItem>
            </SelectContent>
          </Select>
        </div>
      </>
    );
  }
  
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  /** 读 config(兼容后端 PascalCase、数字以字符串下发) */
  function cfgPickStr(cfg: Record<string, unknown>, keys: string[], fallback: string): string {
    for (const k of keys) {
      const v = cfg[k];
      if (v != null && String(v).trim() !== '') return String(v).trim();
    }
    return fallback;
  }
  
  function cfgPickNum(cfg: Record<string, unknown>, keys: string[], fallback: number): number {
    for (const k of keys) {
      const v = cfg[k];
      if (v == null || v === '') continue;
      const n = typeof v === 'number' ? v : Number(v);
      if (Number.isFinite(n)) return n;
    }
    return fallback;
  }
  
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  const WEIGHT_UNIT_OPTIONS: Array<{ value: string; label: string }> = [
    { value: 'lb', label: 'Lb' },
    { value: 'kg', label: 'Kg' },
    { value: 'mg', label: 'Milligrams' },
    { value: 'g', label: 'Grams' },
    { value: 'oz', label: 'Ounces' },
  ];
  
  function normalizeWeightUnit(raw: unknown): string {
    const unit = String(raw ?? '').trim().toLowerCase();
    if (unit === 'milligrams') return 'mg';
    if (unit === 'grams') return 'g';
    if (unit === 'ounces') return 'oz';
    if (unit === 'pounds') return 'lb';
    if (unit === 'kilograms') return 'kg';
    if (WEIGHT_UNIT_OPTIONS.some((item) => item.value === unit)) return unit;
    return 'g';
  }
  
  function nutritionExtraRows(cfg: Record<string, unknown>): NutritionExtraItem[] {
    const raw = cfg.extraNutrients;
    if (!Array.isArray(raw)) return [];
    return raw.map((item, idx) => {
      const row = item as Record<string, unknown>;
      return {
        id: String(row.id ?? `extra-${idx}`),
        name: String(row.name ?? ''),
        value: String(row.value ?? ''),
        unit: String(row.unit ?? ''),
      };
    });
  }
  
  function nutritionFixedField(
    cfg: Record<string, unknown>,
    key: string,
    field: 'value' | 'unit',
  ): string {
    const directKey = field === 'value' ? key : `${key}Unit`;
    const direct = cfg[directKey];
    if (direct != null && String(direct).trim() !== '') return String(direct).trim();
    const fixedRows = Array.isArray(cfg.fixedNutrients)
      ? (cfg.fixedNutrients as Record<string, unknown>[])
      : [];
    const row = fixedRows.find((item) => String(item.key ?? '').trim() === key);
    return String(row?.[field] ?? '').trim();
  }
  
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  function ElementConfigFields({
    element,
    onChange,
  }: {
    element: LabelElement;
    onChange: (config: Record<string, unknown>) => void;
  }) {
    const cfg = element.config as Record<string, unknown>;
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    const elementType = canonicalElementType(element.type);
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    const update = (key: string, value: unknown) =>
      onChange({ [key]: value });
  
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    switch (elementType) {
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      case 'TEXT_STATIC':
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        if (cfg.inputType === 'options') {
          return (
            <>
              <MultipleOptionsDictionaryFields cfg={cfg} onPatch={onChange} />
              <TextStaticStyleFields cfg={cfg} update={update} textAlignDefault="left" />
            </>
          );
        }
        return <TextStaticStyleFields cfg={cfg} update={update} textAlignDefault="right" />;
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      case 'TEXT_PRODUCT':
      case 'TEXT_PRICE':
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        return <TextStaticStyleFields cfg={cfg} update={update} textAlignDefault="right" />;
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      case 'BARCODE':
        return (
          <>
            <div>
              <Label className="text-xs">Data</Label>
              <Input
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                value={(cfg.data as string) ?? '123456789'}
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                onChange={(e) => update('data', e.target.value)}
                className="h-8 text-sm mt-1"
              />
            </div>
            <div>
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              <Label className="text-xs">Orientation</Label>
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              <Select
                value={(cfg.orientation as string) ?? 'horizontal'}
                onValueChange={(v) => update('orientation', v)}
              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
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                  <SelectItem value="horizontal">Horizontal</SelectItem>
                  <SelectItem value="vertical">Vertical</SelectItem>
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                </SelectContent>
              </Select>
            </div>
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            <div className="flex items-center gap-2">
              <Switch
                checked={(cfg.showText as boolean) !== false}
                onCheckedChange={(v) => update('showText', v)}
              />
              <Label className="text-xs">Show Text</Label>
            </div>
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          </>
        );
      case 'QRCODE':
        return (
          <div>
            <Label className="text-xs">Data (URL)</Label>
            <Input
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              value={(cfg.data as string) ?? 'https://example.com'}
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              onChange={(e) => update('data', e.target.value)}
              className="h-8 text-sm mt-1"
            />
          </div>
        );
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      case 'IMAGE':
        return (
          <>
            <div>
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              <Label className="text-xs">Image URL / path</Label>
              <Input
                value={(cfg.src as string) ?? ''}
                onChange={(e) => update('src', e.target.value)}
                className="h-8 text-sm mt-1"
                placeholder="https://... or /picture/..."
              />
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            </div>
            <div>
              <Label className="text-xs">Scale Mode</Label>
              <Select
                value={(cfg.scaleMode as string) ?? 'contain'}
                onValueChange={(v) => update('scaleMode', v)}
              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="contain">Contain</SelectItem>
                  <SelectItem value="cover">Cover</SelectItem>
                  <SelectItem value="fill">Fill</SelectItem>
                </SelectContent>
              </Select>
            </div>
          </>
        );
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      case 'DATE': {
        const inputTypeNorm = String(cfg.inputType ?? cfg.InputType ?? '').toLowerCase();
        const isPrintDate = inputTypeNorm === 'datetime' || inputTypeNorm === 'date';
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        const dateFormat = cfgPickStr(
          cfg,
          ['format', 'Format'],
          inputTypeNorm === 'datetime' ? DATETIME_DEFAULT_FORMAT : 'DD/MM/YYYY',
        );
        const formatOptions =
          inputTypeNorm === 'datetime'
            ? [DATETIME_DEFAULT_FORMAT, ...DATE_FORMAT_OPTIONS]
            : [...DATE_FORMAT_OPTIONS];
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        return (
          <>
            <div>
              <Label className="text-xs">Format</Label>
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              <Select value={dateFormat} onValueChange={(v) => update('format', v)}>
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  {formatOptions.map((fmt) => (
                    <SelectItem key={fmt} value={fmt}>
                      {fmt}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
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              {isPrintDate ? (
                <p className="text-[10px] text-gray-400 mt-1">
                  Shown as placeholder on the label until the app fills the date at print time.
                </p>
              ) : null}
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            </div>
            <div>
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              <Label className="text-xs">Font Size</Label>
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              <Input
                type="number"
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                value={cfgPickNum(cfg, ['fontSize', 'FontSize'], 14)}
                onChange={(e) => update('fontSize', Number(e.target.value) || 14)}
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                className="h-8 text-sm mt-1"
              />
            </div>
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            <div>
              <Label className="text-xs">Text Align</Label>
              <Select
                value={cfgPickStr(cfg, ['textAlign', 'TextAlign'], 'left')}
                onValueChange={(v) => update('textAlign', v)}
              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="left">Left</SelectItem>
                  <SelectItem value="center">Center</SelectItem>
                  <SelectItem value="right">Right</SelectItem>
                </SelectContent>
              </Select>
            </div>
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          </>
        );
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      }
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      case 'TIME':
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        return (
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          <>
            <div>
              <Label className="text-xs">Format</Label>
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              <Input value="HH:mm" className="h-8 text-sm mt-1" readOnly />
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            </div>
            <div>
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              <Label className="text-xs">Font Size</Label>
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              <Input
                type="number"
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                value={cfgPickNum(cfg, ['fontSize', 'FontSize'], 14)}
                onChange={(e) => update('fontSize', Number(e.target.value) || 14)}
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                className="h-8 text-sm mt-1"
              />
            </div>
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            <div>
              <Label className="text-xs">Text Align</Label>
              <Select
                value={cfgPickStr(cfg, ['textAlign', 'TextAlign'], 'left')}
                onValueChange={(v) => update('textAlign', v)}
              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  <SelectItem value="left">Left</SelectItem>
                  <SelectItem value="center">Center</SelectItem>
                  <SelectItem value="right">Right</SelectItem>
                </SelectContent>
              </Select>
            </div>
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          </>
        );
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      case 'DURATION':
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        return (
          <>
            <div>
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              <Label className="text-xs">Format</Label>
              <Select
                value={cfgPickStr(cfg, ['format', 'Format'], 'Days')}
                onValueChange={(v) => update('format', v)}
              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
                  {DURATION_FORMAT_OPTIONS.map((fmt) => (
                    <SelectItem key={fmt} value={fmt}>
                      {fmt}
                    </SelectItem>
                  ))}
                </SelectContent>
              </Select>
            </div>
            <div>
              <Label className="text-xs">Font Size</Label>
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              <Input
                type="number"
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                value={cfgPickNum(cfg, ['fontSize', 'FontSize'], 14)}
                onChange={(e) => update('fontSize', Number(e.target.value) || 14)}
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                className="h-8 text-sm mt-1"
              />
            </div>
            <div>
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              <Label className="text-xs">Text Align</Label>
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              <Select
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                value={cfgPickStr(cfg, ['textAlign', 'TextAlign'], 'left')}
                onValueChange={(v) => update('textAlign', v)}
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              >
                <SelectTrigger className="h-8 text-sm mt-1">
                  <SelectValue />
                </SelectTrigger>
                <SelectContent>
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                  <SelectItem value="left">Left</SelectItem>
                  <SelectItem value="center">Center</SelectItem>
                  <SelectItem value="right">Right</SelectItem>
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                </SelectContent>
              </Select>
            </div>
          </>
        );
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      case 'WEIGHT':
        {
          const weightUnit = normalizeWeightUnit(cfgPickStr(cfg, ['unit', 'Unit'], 'g'));
          const textAlign = cfgPickStr(cfg, ['textAlign', 'TextAlign'], 'left');
          const fontSize = cfgPickNum(cfg, ['fontSize', 'FontSize'], 14);
          return (
            <>
              <div>
                <Label className="text-xs">Value</Label>
                <Input
                  type="number"
                  value={cfgPickNum(cfg, ['value', 'Value'], 500)}
                  onChange={(e) => update('value', Number(e.target.value) || 0)}
                  className="h-8 text-sm mt-1"
                />
              </div>
              <div>
                <Label className="text-xs">Unit</Label>
                <Select
                  value={weightUnit}
                  onValueChange={(v) => update('unit', v)}
                >
                  <SelectTrigger className="h-8 text-sm mt-1">
                    <SelectValue />
                  </SelectTrigger>
                  <SelectContent>
                    {WEIGHT_UNIT_OPTIONS.map((item) => (
                      <SelectItem key={item.value} value={item.value}>
                        {item.label}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              </div>
              <div>
                <Label className="text-xs">Font Size</Label>
                <Input
                  type="number"
                  value={fontSize}
                  onChange={(e) => update('fontSize', Math.max(1, Number(e.target.value) || 14))}
                  className="h-8 text-sm mt-1"
                />
              </div>
              <div>
                <Label className="text-xs">Text Align</Label>
                <Select
                  value={textAlign}
                  onValueChange={(v) => update('textAlign', v)}
                >
                  <SelectTrigger className="h-8 text-sm mt-1">
                    <SelectValue />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="left">Left</SelectItem>
                    <SelectItem value="center">Center</SelectItem>
                    <SelectItem value="right">Right</SelectItem>
                  </SelectContent>
                </Select>
              </div>
            </>
          );
        }
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      case 'WEIGHT_PRICE':
        return (
          <>
            <div>
              <Label className="text-xs">Unit Price</Label>
              <Input
                type="number"
                value={(cfg.unitPrice as number) ?? 10}
                onChange={(e) => update('unitPrice', Number(e.target.value) || 0)}
                className="h-8 text-sm mt-1"
              />
            </div>
            <div>
              <Label className="text-xs">Weight</Label>
              <Input
                type="number"
                step="0.1"
                value={(cfg.weight as number) ?? 0.5}
                onChange={(e) => update('weight', Number(e.target.value) || 0)}
                className="h-8 text-sm mt-1"
              />
            </div>
            <div>
              <Label className="text-xs">Currency</Label>
              <Input
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                value={(cfg.currency as string) ?? '$'}
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                onChange={(e) => update('currency', e.target.value)}
                className="h-8 text-sm mt-1"
              />
            </div>
          </>
        );
      case 'NUTRITION':
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        {
          const extraRows = nutritionExtraRows(cfg);
          const applyFixedNutrients = (
            key: string,
            field: 'value' | 'unit',
            nextValue: string,
          ) => {
            const fixedRows = NUTRITION_FIXED_ITEMS.map((item) => {
              const current = {
                key: item.key,
                label: item.label,
                value: nutritionFixedField(cfg, item.key, 'value'),
                unit: nutritionFixedField(cfg, item.key, 'unit'),
              };
              if (item.key !== key) return current;
              return { ...current, [field]: nextValue };
            });
            const keyPatch: Record<string, unknown> = { fixedNutrients: fixedRows };
            const target = fixedRows.find((item) => item.key === key);
            if (target) {
              keyPatch[key] = target.value;
              keyPatch[`${key}Unit`] = target.unit;
            }
            onChange(keyPatch);
          };
  
          const addExtraNutrient = () => {
            const next: NutritionExtraItem[] = [
              ...extraRows,
              {
                id: `extra-${Date.now()}-${Math.random().toString(36).slice(2, 7)}`,
                name: '',
                value: '',
                unit: '',
              },
            ];
            update('extraNutrients', next);
          };
  
          const updateExtraNutrient = (
            id: string,
            field: keyof NutritionExtraItem,
            nextValue: string,
          ) => {
            const next = extraRows.map((item) =>
              item.id === id ? { ...item, [field]: nextValue } : item,
            );
            update('extraNutrients', next);
          };
  
          const removeExtraNutrient = (id: string) => {
            update(
              'extraNutrients',
              extraRows.filter((item) => item.id !== id),
            );
          };
  
          return (
            <>
              <div>
                <Label className="text-xs">Nutrition summary</Label>
                <div className="space-y-2 mt-1">
                  <div className="grid grid-cols-[1fr_90px] gap-2 items-center">
                    <span className="text-xs text-gray-600">Nutrition Facts title (px)</span>
                    <Input
                      type="number"
                      value={cfgPickNum(cfg, ['nutritionTitleFontSize', 'NutritionTitleFontSize'], 16)}
                      onChange={(e) =>
                        update('nutritionTitleFontSize', Math.max(10, Number(e.target.value) || 16))
                      }
                      className="h-8 text-sm"
                    />
                  </div>
                  <div className="grid grid-cols-[1fr_90px] gap-2 items-center">
                    <span className="text-xs text-gray-600">Servings Per Container</span>
                    <Input
                      value={cfgPickStr(cfg, ['servingsPerContainer', 'ServingsPerContainer'], '')}
                      onChange={(e) => update('servingsPerContainer', e.target.value)}
                      className="h-8 text-sm"
                      placeholder="e.g. 8"
                    />
                  </div>
                  <div className="grid grid-cols-[1fr_90px] gap-2 items-center">
                    <span className="text-xs text-gray-600">Serving Size</span>
                    <Input
                      value={cfgPickStr(cfg, ['servingSize', 'ServingSize'], '')}
                      onChange={(e) => update('servingSize', e.target.value)}
                      className="h-8 text-sm"
                      placeholder="e.g. 1 cup"
                    />
                  </div>
                  <div className="grid grid-cols-[1fr_90px] gap-2 items-center">
                    <span className="text-xs text-gray-600">Calories</span>
                    <Input
                      value={cfgPickStr(cfg, ['calories', 'Calories'], '')}
                      onChange={(e) => update('calories', e.target.value)}
                      className="h-8 text-sm"
                      placeholder="e.g. 120"
                    />
                  </div>
                </div>
              </div>
              <div>
                <div className="flex items-center justify-between mb-1">
                  <Label className="text-xs">Nutrition table</Label>
                  <Button type="button" variant="outline" className="h-7 px-2 text-xs" onClick={addExtraNutrient}>
                    Add nutrient
                  </Button>
                </div>
                <div className="space-y-1.5 mt-1">
                  <div className="grid grid-cols-[1fr_78px_58px_26px] gap-1.5 items-center text-[10px] text-gray-500 px-0.5">
                    <span>Name</span>
                    <span>Value</span>
                    <span>Unit</span>
                    <span />
                  </div>
                  {NUTRITION_FIXED_ITEMS.map((item) => (
                    <div key={item.key} className="grid grid-cols-[1fr_78px_58px_26px] gap-1.5 items-center">
                      <span className="text-xs text-gray-600">{item.label}</span>
                      <Input
                        value={nutritionFixedField(cfg, item.key, 'value')}
                        onChange={(e) =>
                          applyFixedNutrients(item.key, 'value', e.target.value)
                        }
                        className="h-8 text-sm"
                        placeholder="Value"
                      />
                      <Input
                        value={nutritionFixedField(cfg, item.key, 'unit') || (item.defaultUnit ?? '')}
                        onChange={(e) =>
                          applyFixedNutrients(item.key, 'unit', e.target.value)
                        }
                        className="h-8 text-sm"
                        placeholder="Unit"
                      />
                      <span />
                    </div>
                  ))}
                </div>
              </div>
              <div className="space-y-2">
                {extraRows.length === 0 ? (
                  <p className="text-[10px] text-gray-400">No custom nutrients yet.</p>
                ) : (
                  extraRows.map((row) => (
                    <div key={row.id} className="grid grid-cols-[1fr_78px_58px_26px] gap-1.5 items-center">
                      <Input
                        value={row.name}
                        onChange={(e) => updateExtraNutrient(row.id, 'name', e.target.value)}
                        className="h-8 text-sm"
                        placeholder="Name"
                      />
                      <Input
                        value={row.value}
                        onChange={(e) => updateExtraNutrient(row.id, 'value', e.target.value)}
                        className="h-8 text-sm"
                        placeholder="Value"
                      />
                      <Input
                        value={row.unit}
                        onChange={(e) => updateExtraNutrient(row.id, 'unit', e.target.value)}
                        className="h-8 text-sm"
                        placeholder="Unit"
                      />
                      <Button
                        type="button"
                        variant="ghost"
                        className="h-8 w-8 p-0 text-gray-500 hover:text-red-600"
                        onClick={() => removeExtraNutrient(row.id)}
                        aria-label="Delete nutrient"
                      >
                        <Trash2 className="h-3.5 w-3.5" />
                      </Button>
                    </div>
                  ))
                )}
                <div className="text-[10px] text-gray-400">
                  Unit is appended after value in template preview.
                </div>
              </div>
            </>
          );
        }
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      case 'BLANK':
        return (
          <div className="text-xs text-gray-500">
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          </div>
        );
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      default:
        return (
          <div className="text-xs text-gray-500">
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            Config for {elementType} (edit in code if needed)
884054fb   “wangming”   项目初始化
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          </div>
        );
    }
  }