package.json

@@ -28,7 +28,9 @@
     "vite-plugin-svgr": "^4.3.0",
     "react-scripts": "^5.0.1",
     "socket.io-client": "^4.8.1",
-    "antd": "^5.24.7"
+    "antd": "^5.24.7",
+    "react-window": "1.8.11",
+    "react-virtualized-auto-sizer": "1.0.26"
   },
   "devDependencies": {
     "@eslint/js": "^9.17.0",

src/Components/Layout/SettingsComponents/MetricRangeEditor.jsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect, useCallback } from 'react';
+import React, { useState, useEffect, useCallback, useMemo } from 'react';
 import {
   TextField, Box, Typography, IconButton, Divider,
   CircularProgress, Alert, Collapse, Tooltip, Button
@@ -7,6 +7,81 @@ import DeleteIcon from '@mui/icons-material/Delete';
 import AddIcon from '@mui/icons-material/Add';
 import SearchIcon from '@mui/icons-material/Search';
 import axios from 'axios';
+import { VariableSizeList as List } from 'react-window';
+import AutoSizer from 'react-virtualized-auto-sizer';
+
+const MetricItem = React.memo(({ metric, index, updateRange, addRange, deleteRange }) => {
+  return (
+    <Box sx={{
+      mb: 3,
+      p: 2,
+      border: '1px solid',
+      borderColor: 'divider',
+      borderRadius: 2,
+      backgroundColor: 'background.paper'
+    }}>
+      <Typography variant="subtitle1" fontWeight="bold" gutterBottom>
+        {metric.name}
+      </Typography>
+
+      {metric.ranges.map((r, j) => (
+        <Box
+          key={j}
+          sx={{
+            display: 'flex',
+            gap: 2,
+            alignItems: 'center',
+            mt: 1,
+            '& > *': { flex: 1 }
+          }}
+        >
+          <TextField
+            label="Минимум"
+            type="number"
+            value={r.min}
+            onChange={(e) => updateRange(index, j, 'min', e.target.value)}
+            size="small"
+            variant="standard"
+          />
+          <TextField
+            label="Максимум"
+            type="number"
+            value={r.max}
+            onChange={(e) => updateRange(index, j, 'max', e.target.value)}
+            size="small"
+            variant="standard"
+          />
+          <TextField
+            label="Статус"
+            type="number"
+            value={r.status}
+            onChange={(e) => updateRange(index, j, 'status', e.target.value)}
+            size="small"
+            variant="standard"
+          />
+          <Tooltip title="Удалить диапазон">
+            <IconButton
+              onClick={() => deleteRange(index, j)}
+              size="small"
+              sx={{ flex: 'none' }}
+            >
+              <DeleteIcon fontSize="small" />
+            </IconButton>
+          </Tooltip>
+        </Box>
+      ))}
+
+      <Button
+        onClick={() => addRange(index)}
+        startIcon={<AddIcon />}
+        size="small"
+        sx={{ mt: 1 }}
+      >
+        Добавить диапазон
+      </Button>
+    </Box>
+  );
+});
 
 const MetricRangeEditor = ({ onSave }) => {
   const [ranges, setRanges] = useState([]);
@@ -17,7 +92,6 @@ const MetricRangeEditor = ({ onSave }) => {
   const [hasChanges, setHasChanges] = useState(false);
   const [success, setSuccess] = useState(false);
 
-  // Загрузка данных
   const loadRanges = useCallback(async () => {
     try {
       setLoading(true);
@@ -41,31 +115,53 @@ const MetricRangeEditor = ({ onSave }) => {
     loadRanges();
   }, [loadRanges]);
 
-  // Обновление диапазона
-  const updateRange = (metricIndex, rangeIndex, field, value) => {
-    const newRanges = [...ranges];
-    newRanges[metricIndex].ranges[rangeIndex][field] = Number(value);
-    setRanges(newRanges);
+  const updateRange = useCallback((metricIndex, rangeIndex, field, value) => {
+    setRanges(prev => {
+      const newRanges = [...prev];
+      newRanges[metricIndex] = {
+        ...newRanges[metricIndex],
+        ranges: [...newRanges[metricIndex].ranges]
+      };
+      newRanges[metricIndex].ranges[rangeIndex] = {
+        ...newRanges[metricIndex].ranges[rangeIndex],
+        [field]: Number(value)
+      };
+      return newRanges;
+    });
     setHasChanges(true);
+  }, []);
+
+  const getItemSize = (index) => {
+    const baseHeight = 80;
+    const rangeCount = filtered[index].ranges.length;
+    return baseHeight + rangeCount * 56 + 40;
   };
 
-  // Добавление диапазона
-  const addRange = (metricIndex) => {
-    const newRanges = [...ranges];
-    newRanges[metricIndex].ranges.push({ min: 0, max: 100, status: 1 });
-    setRanges(newRanges);
+  const addRange = useCallback((metricIndex) => {
+    setRanges(prev => {
+      const newRanges = [...prev];
+      newRanges[metricIndex] = {
+        ...newRanges[metricIndex],
+        ranges: [...newRanges[metricIndex].ranges, { min: 0, max: 100, status: 1 }]
+      };
+      return newRanges;
+    });
     setHasChanges(true);
-  };
+  }, []);
 
-  // Удаление диапазона
-  const deleteRange = (metricIndex, rangeIndex) => {
-    const newRanges = [...ranges];
-    newRanges[metricIndex].ranges.splice(rangeIndex, 1);
-    setRanges(newRanges);
+  const deleteRange = useCallback((metricIndex, rangeIndex) => {
+    setRanges(prev => {
+      const newRanges = [...prev];
+      newRanges[metricIndex] = {
+        ...newRanges[metricIndex],
+        ranges: newRanges[metricIndex].ranges.filter((_, i) => i !== rangeIndex)
+      };
+      return newRanges;
+    });
     setHasChanges(true);
-  };
+  }, []);
 
-  const saveChanges = async () => {
+  const saveChanges = useCallback(async () => {
     try {
       setLoading(true);
       await axios.post(`${import.meta.env.VITE_BACK_URL}/api/ranges/update`, ranges);
@@ -87,10 +183,9 @@ const MetricRangeEditor = ({ onSave }) => {
     } finally {
       setLoading(false);
     }
-  };
+  }, [ranges, onSave]);
 
-  // Добавление новой метрики
-  const addNewMetric = () => {
+  const addNewMetric = useCallback(() => {
     if (!newMetricName.trim()) {
       setError('Введите название метрики');
       return;
@@ -99,18 +194,26 @@ const MetricRangeEditor = ({ onSave }) => {
       setError('Метрика с таким именем уже существует');
       return;
     }
-    setRanges([...ranges, {
+    setRanges(prev => [...prev, {
       name: newMetricName,
       ranges: [{ min: 0, max: 100, status: 1 }]
     }]);
     setNewMetricName('');
     setHasChanges(true);
     setError(null);
-  };
+  }, [newMetricName, ranges]);
 
-  const filtered = filter
-    ? ranges.filter(r => r.name.toLowerCase().includes(filter.toLowerCase()))
-    : ranges;
+  const filtered = useMemo(() => {
+    return filter
+      ? ranges.filter(r => r.name.toLowerCase().includes(filter.toLowerCase()))
+      : ranges;
+  }, [filter, ranges]);
+
+  useEffect(() => {
+    if (onSave) {
+      onSave({ hasChanges, saveChanges });
+    }
+  }, [hasChanges, onSave, saveChanges]);
 
   return (
     <Box sx={{ position: 'relative' }}>
@@ -166,76 +269,30 @@ const MetricRangeEditor = ({ onSave }) => {
 
           <Divider sx={{ mb: 3 }} />
 
-          {filtered.map((metric, i) => (
-            <Box
-              key={metric.name}
-              sx={{
-                mb: 3,
-                p: 2,
-                border: '1px solid',
-                borderColor: 'divider',
-                borderRadius: 2,
-                backgroundColor: 'background.paper'
-              }}
-            >
-              <Typography variant="subtitle1" fontWeight="bold" gutterBottom>
-                {metric.name}
-              </Typography>
-
-              {metric.ranges.map((r, j) => (
-                <Box
-                  key={j}
-                  sx={{
-                    display: 'flex',
-                    gap: 2,
-                    alignItems: 'center',
-                    mt: 1,
-                    '& > *': { flex: 1 }
-                  }}
+          <Box sx={{ height: '60vh', width: '100%' }}>
+            <AutoSizer>
+              {({ height, width }) => (
+                <List
+                  height={height}
+                  width={width}
+                  itemSize={getItemSize}
+                  itemCount={filtered.length}
                 >
-                  <TextField
-                    label="Минимум"
-                    type="number"
-                    value={r.min}
-                    onChange={(e) => updateRange(i, j, 'min', e.target.value)}
-                    size="small"
-                  />
-                  <TextField
-                    label="Максимум"
-                    type="number"
-                    value={r.max}
-                    onChange={(e) => updateRange(i, j, 'max', e.target.value)}
-                    size="small"
-                  />
-                  <TextField
-                    label="Статус"
-                    type="number"
-                    value={r.status}
-                    onChange={(e) => updateRange(i, j, 'status', e.target.value)}
-                    size="small"
-                  />
-                  <Tooltip title="Удалить диапазон">
-                    <IconButton
-                      onClick={() => deleteRange(i, j)}
-                      size="small"
-                      sx={{ flex: 'none' }}
-                    >
-                      <DeleteIcon fontSize="small" />
-                    </IconButton>
-                  </Tooltip>
-                </Box>
-              ))}
-
-              <Button
-                onClick={() => addRange(i)}
-                startIcon={<AddIcon />}
-                size="small"
-                sx={{ mt: 1 }}
-              >
-                Добавить диапазон
-              </Button>
-            </Box>
-          ))}
+                  {({ index, style }) => (
+                    <Box style={style} sx={{ p: 1 }}>
+                      <MetricItem
+                        metric={filtered[index]}
+                        index={index}
+                        updateRange={updateRange}
+                        addRange={addRange}
+                        deleteRange={deleteRange}
+                      />
+                    </Box>
+                  )}
+                </List>
+              )}
+            </AutoSizer>
+          </Box>
 
           {filtered.length === 0 && (
             <Typography color="text.secondary" textAlign="center" py={3}>
@@ -244,15 +301,8 @@ const MetricRangeEditor = ({ onSave }) => {
           )}
         </>
       )}
-
-      {/* Передаем состояние изменений в родительский компонент */}
-      {useEffect(() => {
-        if (onSave) {
-          onSave({ hasChanges, saveChanges });
-        }
-      }, [hasChanges, onSave])}
     </Box>
   );
 };
 
-export default MetricRangeEditor;
+export default React.memo(MetricRangeEditor);