modified: frontend/src/pages/SqlInterface.tsx

frontend/src/pages/SqlInterface.tsx

@@ -1,6 +1,6 @@
-import { useState, useEffect, useCallback } from 'react';
+import { useState, useEffect, useCallback, useRef } from 'react';
 import { useQuery } from '@tanstack/react-query';
-import { Play, Plus, X, Database as DatabaseIcon, Clock, CheckCircle, XCircle, Loader2 } from 'lucide-react';
+import { Play, Plus, X, Database as DatabaseIcon, Clock, CheckCircle, XCircle, Loader2, GripHorizontal } from 'lucide-react';
 import { databasesApi, sqlInterfaceApi, SqlQueryResult } from '@/services/api';
 import { Database } from '@/types';
 import SqlEditor from '@/components/SqlEditor';
@@ -17,6 +17,7 @@ interface SqlTab {
 interface SqlInterfaceState {
   tabs: SqlTab[];
   activeTabId: string;
+  splitPosition: number; // percentage
 }
 
 const STORAGE_KEY = 'sql_interface_state';
@@ -46,7 +47,6 @@ const loadState = (): SqlInterfaceState | null => {
 
 const saveState = (state: SqlInterfaceState) => {
   try {
-    // Don't save isExecuting state and large results
     const stateToSave = {
       ...state,
       tabs: state.tabs.map(tab => ({
@@ -54,7 +54,7 @@ const saveState = (state: SqlInterfaceState) => {
         isExecuting: false,
         result: tab.result ? {
           ...tab.result,
-          data: tab.result.data?.slice(0, 100), // Limit saved results
+          data: tab.result.data?.slice(0, 100),
         } : null,
       })),
     };
@@ -69,7 +69,6 @@ export default function SqlInterface() {
     queryKey: ['databases'],
     queryFn: async () => {
       const { data } = await databasesApi.getAll();
-      // Filter only SQL databases (not AQL)
       return data.filter((db: Database) => db.type !== 'aql');
     },
   });
@@ -77,21 +76,26 @@ export default function SqlInterface() {
   const [state, setState] = useState<SqlInterfaceState>(() => {
     const saved = loadState();
     if (saved && saved.tabs.length > 0) {
-      return saved;
+      return {
+        ...saved,
+        splitPosition: saved.splitPosition || 50,
+      };
     }
     const initialTab = createNewTab();
     return {
       tabs: [initialTab],
       activeTabId: initialTab.id,
+      splitPosition: 50,
     };
   });
 
-  // Save state to localStorage on changes
+  const containerRef = useRef<HTMLDivElement>(null);
+  const isDragging = useRef(false);
+
   useEffect(() => {
     saveState(state);
   }, [state]);
 
-  // Set default database for new tabs when databases load
   useEffect(() => {
     if (databases.length > 0) {
       setState(prev => ({
@@ -118,6 +122,7 @@ export default function SqlInterface() {
     const defaultDbId = databases.length > 0 ? databases[0].id : '';
     const newTab = createNewTab(defaultDbId, `Запрос ${state.tabs.length + 1}`);
     setState(prev => ({
+      ...prev,
       tabs: [...prev.tabs, newTab],
       activeTabId: newTab.id,
     }));
@@ -127,10 +132,10 @@ export default function SqlInterface() {
     e.stopPropagation();
     setState(prev => {
       if (prev.tabs.length === 1) {
-        // Don't close the last tab, just reset it
         const defaultDbId = databases.length > 0 ? databases[0].id : '';
         const newTab = createNewTab(defaultDbId);
         return {
+          ...prev,
           tabs: [newTab],
           activeTabId: newTab.id,
         };
@@ -142,6 +147,7 @@ export default function SqlInterface() {
         : prev.activeTabId;
 
       return {
+        ...prev,
         tabs: newTabs,
         activeTabId: newActiveId,
       };
@@ -175,7 +181,6 @@ export default function SqlInterface() {
     }
   }, [activeTab, updateTab]);
 
-  // Keyboard shortcut for execute (Ctrl+Enter or Cmd+Enter)
   useEffect(() => {
     const handleKeyDown = (e: KeyboardEvent) => {
       if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') {
@@ -188,6 +193,44 @@ export default function SqlInterface() {
     return () => window.removeEventListener('keydown', handleKeyDown);
   }, [executeQuery]);
 
+  // Drag to resize
+  const handleMouseDown = useCallback((e: React.MouseEvent) => {
+    e.preventDefault();
+    isDragging.current = true;
+    document.body.style.cursor = 'row-resize';
+    document.body.style.userSelect = 'none';
+  }, []);
+
+  useEffect(() => {
+    const handleMouseMove = (e: MouseEvent) => {
+      if (!isDragging.current || !containerRef.current) return;
+
+      const container = containerRef.current;
+      const rect = container.getBoundingClientRect();
+      const y = e.clientY - rect.top;
+      const percentage = (y / rect.height) * 100;
+      const clamped = Math.min(Math.max(percentage, 20), 80);
+
+      setState(prev => ({ ...prev, splitPosition: clamped }));
+    };
+
+    const handleMouseUp = () => {
+      if (isDragging.current) {
+        isDragging.current = false;
+        document.body.style.cursor = '';
+        document.body.style.userSelect = '';
+      }
+    };
+
+    document.addEventListener('mousemove', handleMouseMove);
+    document.addEventListener('mouseup', handleMouseUp);
+
+    return () => {
+      document.removeEventListener('mousemove', handleMouseMove);
+      document.removeEventListener('mouseup', handleMouseUp);
+    };
+  }, []);
+
   if (isLoadingDatabases) {
     return (
       <div className="flex items-center justify-center h-64">
@@ -199,34 +242,32 @@ export default function SqlInterface() {
   return (
     <div className="flex flex-col -m-8 bg-white" style={{ height: 'calc(100vh - 64px)' }}>
       {/* Tabs bar */}
-      <div className="flex items-center bg-gray-100 border-b border-gray-200 px-2">
-        <div className="flex-1 flex items-center overflow-x-auto">
-          {state.tabs.map(tab => (
+      <div className="flex items-center bg-gray-100 border-b border-gray-200 px-2 flex-shrink-0 overflow-x-auto">
+        {state.tabs.map(tab => (
+          <button
+            key={tab.id}
+            onClick={() => setActiveTab(tab.id)}
+            className={`
+              flex items-center gap-2 px-4 py-2 text-sm border-r border-gray-200 flex-shrink-0
+              ${tab.id === state.activeTabId
+                ? 'bg-white text-gray-900 font-medium'
+                : 'text-gray-600 hover:bg-gray-50'
+              }
+            `}
+          >
+            <span className="max-w-32 truncate">{tab.name}</span>
+            {tab.isExecuting && <Loader2 className="animate-spin" size={14} />}
             <button
-              key={tab.id}
-              onClick={() => setActiveTab(tab.id)}
-              className={`
-                flex items-center gap-2 px-4 py-2 text-sm border-r border-gray-200
-                ${tab.id === state.activeTabId
-                  ? 'bg-white text-gray-900 font-medium'
-                  : 'text-gray-600 hover:bg-gray-50'
-                }
-              `}
+              onClick={(e) => closeTab(tab.id, e)}
+              className="ml-1 p-0.5 rounded hover:bg-gray-200 text-gray-400 hover:text-gray-600"
             >
-              <span className="max-w-32 truncate">{tab.name}</span>
-              {tab.isExecuting && <Loader2 className="animate-spin" size={14} />}
-              <button
-                onClick={(e) => closeTab(tab.id, e)}
-                className="ml-1 p-0.5 rounded hover:bg-gray-200 text-gray-400 hover:text-gray-600"
-              >
-                <X size={14} />
-              </button>
+              <X size={14} />
             </button>
-          ))}
-        </div>
+          </button>
+        ))}
         <button
           onClick={addTab}
-          className="p-2 text-gray-500 hover:text-gray-700 hover:bg-gray-200 rounded"
+          className="p-2 text-gray-500 hover:text-gray-700 hover:bg-gray-200 rounded flex-shrink-0"
           title="Новая вкладка"
         >
           <Plus size={18} />
@@ -234,8 +275,7 @@ export default function SqlInterface() {
       </div>
 
       {/* Toolbar */}
-      <div className="flex items-center gap-4 p-3 border-b border-gray-200 bg-gray-50">
-        {/* Database selector */}
+      <div className="flex items-center gap-4 p-3 border-b border-gray-200 bg-gray-50 flex-shrink-0">
         <div className="flex items-center gap-2">
           <DatabaseIcon size={18} className="text-gray-500" />
           <select
@@ -252,7 +292,6 @@ export default function SqlInterface() {
           </select>
         </div>
 
-        {/* Execute button */}
         <button
           onClick={executeQuery}
           disabled={!activeTab?.databaseId || !activeTab?.query.trim() || activeTab?.isExecuting}
@@ -267,7 +306,6 @@ export default function SqlInterface() {
           <span className="text-xs opacity-75 ml-1">(Ctrl+Enter)</span>
         </button>
 
-        {/* Tab name editor */}
         <input
           type="text"
           value={activeTab?.name || ''}
@@ -277,10 +315,13 @@ export default function SqlInterface() {
         />
       </div>
 
-      {/* Main content area */}
-      <div className="flex-1 flex flex-col min-h-0">
+      {/* Main content area with resizable split */}
+      <div ref={containerRef} className="flex-1 flex flex-col min-h-0 relative">
         {/* SQL Editor */}
-        <div className="h-1/2 min-h-48 border-b border-gray-200">
+        <div
+          className="overflow-hidden"
+          style={{ height: `${state.splitPosition}%` }}
+        >
           <SqlEditor
             value={activeTab?.query || ''}
             onChange={(value) => updateTab(activeTab.id, { query: value })}
@@ -289,11 +330,22 @@ export default function SqlInterface() {
           />
         </div>
 
+        {/* Resize handle */}
+        <div
+          onMouseDown={handleMouseDown}
+          className="h-2 bg-gray-200 hover:bg-primary-300 cursor-row-resize flex items-center justify-center border-y border-gray-300 flex-shrink-0 transition-colors"
+        >
+          <GripHorizontal size={16} className="text-gray-400" />
+        </div>
+
         {/* Results panel */}
-        <div className="flex-1 min-h-0 flex flex-col bg-white">
+        <div
+          className="flex flex-col bg-white overflow-hidden"
+          style={{ height: `calc(${100 - state.splitPosition}% - 8px)` }}
+        >
           {/* Result header */}
           {activeTab?.result && (
-            <div className="flex items-center gap-4 px-4 py-2 bg-gray-50 border-b border-gray-200 text-sm">
+            <div className="flex items-center gap-4 px-4 py-2 bg-gray-50 border-b border-gray-200 text-sm flex-shrink-0">
               {activeTab.result.success ? (
                 <>
                   <div className="flex items-center gap-1 text-green-600">