From 0a771996424173379e513f49069ee219555dafa5 Mon Sep 17 00:00:00 2001
From: tlartem <tlartem@ya.ru>
Date: Mon, 28 Jul 2025 07:52:18 +0300
Subject: [PATCH] =?UTF-8?q?=D0=BF=D0=B5=D1=80=D0=B5=D1=82=D0=B0=D1=81?=
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---
 .../StandardsElement/StandardsSelector.tsx    | 173 +++++++++++++++++-
 1 file changed, 167 insertions(+), 6 deletions(-)

diff --git a/src/entitiy/element/model/implementations/StandardsElement/StandardsSelector.tsx b/src/entitiy/element/model/implementations/StandardsElement/StandardsSelector.tsx
index 2f84f05..fca8a02 100644
--- a/src/entitiy/element/model/implementations/StandardsElement/StandardsSelector.tsx
+++ b/src/entitiy/element/model/implementations/StandardsElement/StandardsSelector.tsx
@@ -9,10 +9,28 @@ import {
 import { Input } from '@/component/ui/input'
 import { Separator } from '@/component/ui/separator'
 import { useToast } from '@/lib/hooks/useToast'
+import {
+  DndContext,
+  DragEndEvent,
+  KeyboardSensor,
+  PointerSensor,
+  closestCenter,
+  useSensor,
+  useSensors,
+} from '@dnd-kit/core'
+import {
+  SortableContext,
+  arrayMove,
+  sortableKeyboardCoordinates,
+  useSortable,
+  verticalListSortingStrategy,
+} from '@dnd-kit/sortable'
+import { CSS } from '@dnd-kit/utilities'
 import {
   Check,
   ExternalLink,
   FileText,
+  GripVertical,
   Search,
   Settings,
   X,
@@ -21,6 +39,89 @@ import { useEffect, useMemo, useRef, useState } from 'react'
 import { useStandards } from './hooks'
 import { Standard } from './types'
 
+// Компонент для сортируемого элемента эталона
+interface SortableStandardItemProps {
+  standard: Standard
+  onRemove: (standardId: string) => void
+  isDragActive: boolean
+}
+
+function SortableStandardItem({
+  standard,
+  onRemove,
+  isDragActive,
+}: SortableStandardItemProps) {
+  const {
+    attributes,
+    listeners,
+    setNodeRef,
+    transform,
+    transition,
+    isDragging,
+  } = useSortable({ id: standard.id })
+
+  const style = {
+    transform: CSS.Transform.toString(transform),
+    transition: isDragging ? 'none' : transition,
+    opacity: isDragging ? 0.9 : 1,
+    zIndex: isDragging ? 1000 : 'auto',
+  }
+
+  return (
+    <div
+      ref={setNodeRef}
+      style={style}
+      {...attributes}
+      {...listeners}
+      className={`flex cursor-grab select-none items-center gap-3 rounded-md border border-primary bg-primary/10 px-3 py-2 shadow-sm ${
+        isDragging
+          ? 'scale-105 shadow-lg'
+          : !isDragActive
+            ? 'transition-shadow duration-200 hover:shadow-md'
+            : ''
+      } active:cursor-grabbing`}
+    >
+      <div className="flex h-6 w-6 items-center justify-center text-muted-foreground">
+        <GripVertical className="h-4 w-4" />
+      </div>
+
+      <div className="min-w-0 flex-1">
+        <div className="flex items-center gap-3">
+          <div className="min-w-20 shrink-0 text-sm font-medium text-foreground">
+            {standard.protocol_name}
+          </div>
+          <div className="truncate text-sm text-muted-foreground">
+            {standard.name}
+          </div>
+        </div>
+      </div>
+
+      <div className="flex shrink-0 items-center gap-4 text-xs text-muted-foreground">
+        <div className="flex items-center gap-1">
+          <FileText className="h-3 w-3" />
+          <span className="hidden sm:inline">{standard.registry_number}</span>
+        </div>
+        <Badge variant="secondary" className="px-1.5 py-0.5 text-xs">
+          {standard.range}
+        </Badge>
+      </div>
+
+      <Button
+        variant="ghost"
+        size="sm"
+        className="h-6 w-6 shrink-0 p-0 text-muted-foreground hover:text-destructive"
+        onClick={e => {
+          e.stopPropagation()
+          onRemove(standard.id)
+        }}
+        onPointerDown={e => e.stopPropagation()}
+      >
+        <X className="h-4 w-4" />
+      </Button>
+    </div>
+  )
+}
+
 interface StandardsSelectorProps {
   isOpen: boolean
   onClose: () => void
@@ -37,12 +138,51 @@ export function StandardsSelector({
   maxItems = 7, // Значение по умолчанию
 }: StandardsSelectorProps) {
   const [selectedStandards, setSelectedStandards] = useState<string[]>(value)
+  const [isDragActive, setIsDragActive] = useState(false)
+
+  // Синхронизируем selectedStandards с value при изменении value
+  useEffect(() => {
+    setSelectedStandards(value)
+  }, [value])
   const [searchTerm, setSearchTerm] = useState('')
   const { error } = useToast()
   const searchInputRef = useRef<HTMLInputElement>(null)
 
   const { data: standards = [], isLoading, error: apiError } = useStandards()
 
+  // Настройка сенсоров для drag-and-drop
+  const sensors = useSensors(
+    useSensor(PointerSensor, {
+      activationConstraint: {
+        distance: 10, // Начинать перетаскивание после движения на 10px
+        tolerance: 5,
+        delay: 100,
+      },
+    }),
+    useSensor(KeyboardSensor, {
+      coordinateGetter: sortableKeyboardCoordinates,
+    })
+  )
+
+  // Обработчик начала перетаскивания
+  const handleDragStart = () => {
+    setIsDragActive(true)
+  }
+
+  // Обработчик завершения перетаскивания
+  const handleDragEnd = (event: DragEndEvent) => {
+    const { active, over } = event
+    setIsDragActive(false)
+
+    if (over && active.id !== over.id) {
+      setSelectedStandards(items => {
+        const oldIndex = items.indexOf(active.id as string)
+        const newIndex = items.indexOf(over.id as string)
+        return arrayMove(items, oldIndex, newIndex)
+      })
+    }
+  }
+
   // Автофокус на поле поиска при открытии
   useEffect(() => {
     if (isOpen && searchInputRef.current) {
@@ -119,9 +259,10 @@ export function StandardsSelector({
     )
   }, [searchTerm, standards])
 
-  const selectedStandardsData = standards.filter(standard =>
-    selectedStandards.includes(standard.id)
-  )
+  // Создаем массив выбранных эталонов в том порядке, как они выбраны
+  const selectedStandardsData = selectedStandards
+    .map(standardId => standards.find(standard => standard.id === standardId))
+    .filter((standard): standard is Standard => standard !== undefined)
 
   const unselectedStandards = filteredStandards.filter(
     standard => !selectedStandards.includes(standard.id)
@@ -346,11 +487,31 @@ export function StandardsSelector({
               <div>
                 <h4 className="mb-3 text-sm font-medium text-foreground">
                   Выбранные эталоны ({selectedStandardsData.length})
+                  <span className="ml-2 text-xs text-muted-foreground">
+                    Перетащите для изменения порядка
+                  </span>
                 </h4>
                 <div className="max-h-64 space-y-1 overflow-y-auto">
-                  {selectedStandardsData.map(standard =>
-                    renderStandardCard(standard, true, true)
-                  )}
+                  <DndContext
+                    sensors={sensors}
+                    collisionDetection={closestCenter}
+                    onDragStart={handleDragStart}
+                    onDragEnd={handleDragEnd}
+                  >
+                    <SortableContext
+                      items={selectedStandards}
+                      strategy={verticalListSortingStrategy}
+                    >
+                      {selectedStandardsData.map(standard => (
+                        <SortableStandardItem
+                          key={standard.id}
+                          standard={standard}
+                          onRemove={removeStandard}
+                          isDragActive={isDragActive}
+                        />
+                      ))}
+                    </SortableContext>
+                  </DndContext>
                 </div>
               </div>
             )}