fix(ui): fix selection state management in paginated views

- Replace DeselectDocumentsDialog with smart selection button
- Auto-reset selection on page/filter changes
- Remove deletion restrictions and update i18n

lightrag_webui/src/components/documents/DeleteDocumentsDialog.tsx

@@ -35,11 +35,10 @@ const Label = ({
 
 interface DeleteDocumentsDialogProps {
   selectedDocIds: string[]
-  totalCompletedCount: number
   onDocumentsDeleted?: () => Promise<void>
 }
 
-export default function DeleteDocumentsDialog({ selectedDocIds, totalCompletedCount, onDocumentsDeleted }: DeleteDocumentsDialogProps) {
+export default function DeleteDocumentsDialog({ selectedDocIds, onDocumentsDeleted }: DeleteDocumentsDialogProps) {
   const { t } = useTranslation()
   const [open, setOpen] = useState(false)
   const [confirmText, setConfirmText] = useState('')
@@ -59,12 +58,6 @@ export default function DeleteDocumentsDialog({ selectedDocIds, totalCompletedCo
   const handleDelete = useCallback(async () => {
     if (!isConfirmEnabled || selectedDocIds.length === 0) return
 
-    // Check if user is trying to delete all completed documents
-    if (selectedDocIds.length === totalCompletedCount && totalCompletedCount > 0) {
-      toast.error(t('documentPanel.deleteDocuments.cannotDeleteAll'))
-      return
-    }
-
     setIsDeleting(true)
     try {
       const result = await deleteDocuments(selectedDocIds, deleteFile)
@@ -101,7 +94,7 @@ export default function DeleteDocumentsDialog({ selectedDocIds, totalCompletedCo
     } finally {
       setIsDeleting(false)
     }
-  }, [isConfirmEnabled, selectedDocIds, totalCompletedCount, deleteFile, setOpen, t, onDocumentsDeleted])
+  }, [isConfirmEnabled, selectedDocIds, deleteFile, setOpen, t, onDocumentsDeleted])
 
   return (
     <Dialog open={open} onOpenChange={setOpen}>

lightrag_webui/src/components/documents/DeselectDocumentsDialog.tsx

@@ -1,74 +0,0 @@
-import { useState, useCallback, useEffect } from 'react'
-import Button from '@/components/ui/Button'
-import {
-  Dialog,
-  DialogContent,
-  DialogDescription,
-  DialogHeader,
-  DialogTitle,
-  DialogTrigger,
-  DialogFooter
-} from '@/components/ui/Dialog'
-
-import { XIcon, AlertCircleIcon } from 'lucide-react'
-import { useTranslation } from 'react-i18next'
-
-interface DeselectDocumentsDialogProps {
-  selectedCount: number
-  onDeselect: () => void
-}
-
-export default function DeselectDocumentsDialog({ selectedCount, onDeselect }: DeselectDocumentsDialogProps) {
-  const { t } = useTranslation()
-  const [open, setOpen] = useState(false)
-
-  // Reset state when dialog closes
-  useEffect(() => {
-    if (!open) {
-      // No state to reset for this simple dialog
-    }
-  }, [open])
-
-  const handleDeselect = useCallback(() => {
-    onDeselect()
-    setOpen(false)
-  }, [onDeselect, setOpen])
-
-  return (
-    <Dialog open={open} onOpenChange={setOpen}>
-      <DialogTrigger asChild>
-        <Button
-          variant="outline"
-          side="bottom"
-          tooltip={t('documentPanel.deselectDocuments.tooltip')}
-          size="sm"
-        >
-          <XIcon/> {t('documentPanel.deselectDocuments.button')}
-        </Button>
-      </DialogTrigger>
-      <DialogContent className="sm:max-w-md" onCloseAutoFocus={(e) => e.preventDefault()}>
-        <DialogHeader>
-          <DialogTitle className="flex items-center gap-2">
-            <AlertCircleIcon className="h-5 w-5" />
-            {t('documentPanel.deselectDocuments.title')}
-          </DialogTitle>
-          <DialogDescription className="pt-2">
-            {t('documentPanel.deselectDocuments.description', { count: selectedCount })}
-          </DialogDescription>
-        </DialogHeader>
-
-        <DialogFooter>
-          <Button variant="outline" onClick={() => setOpen(false)}>
-            {t('common.cancel')}
-          </Button>
-          <Button
-            variant="default"
-            onClick={handleDeselect}
-          >
-            {t('documentPanel.deselectDocuments.confirmButton')}
-          </Button>
-        </DialogFooter>
-      </DialogContent>
-    </Dialog>
-  )
-}

lightrag_webui/src/features/DocumentManager.tsx

@@ -17,7 +17,6 @@ import Checkbox from '@/components/ui/Checkbox'
 import UploadDocumentsDialog from '@/components/documents/UploadDocumentsDialog'
 import ClearDocumentsDialog from '@/components/documents/ClearDocumentsDialog'
 import DeleteDocumentsDialog from '@/components/documents/DeleteDocumentsDialog'
-import DeselectDocumentsDialog from '@/components/documents/DeselectDocumentsDialog'
 import PaginationControls from '@/components/ui/PaginationControls'
 
 import {
@@ -33,7 +32,7 @@ import { errorMessage } from '@/lib/utils'
 import { toast } from 'sonner'
 import { useBackendState } from '@/stores/state'
 
-import { RefreshCwIcon, ActivityIcon, ArrowUpIcon, ArrowDownIcon, RotateCcwIcon } from 'lucide-react'
+import { RefreshCwIcon, ActivityIcon, ArrowUpIcon, ArrowDownIcon, RotateCcwIcon, CheckSquareIcon, XIcon } from 'lucide-react'
 import PipelineStatusDialog from '@/components/documents/PipelineStatusDialog'
 
 type StatusFilter = DocStatus | 'all';
@@ -327,6 +326,52 @@ export default function DocumentManager() {
     return allDocuments;
   }, [docs, sortField, sortDirection, statusFilter, sortDocuments]);
 
+  // Calculate current page selection state (after filteredAndSortedDocs is defined)
+  const currentPageDocIds = useMemo(() => {
+    return filteredAndSortedDocs?.map(doc => doc.id) || []
+  }, [filteredAndSortedDocs])
+
+  const selectedCurrentPageCount = useMemo(() => {
+    return currentPageDocIds.filter(id => selectedDocIds.includes(id)).length
+  }, [currentPageDocIds, selectedDocIds])
+
+  const isCurrentPageFullySelected = useMemo(() => {
+    return currentPageDocIds.length > 0 && selectedCurrentPageCount === currentPageDocIds.length
+  }, [currentPageDocIds, selectedCurrentPageCount])
+
+  const hasCurrentPageSelection = useMemo(() => {
+    return selectedCurrentPageCount > 0
+  }, [selectedCurrentPageCount])
+
+  // Handle select current page
+  const handleSelectCurrentPage = useCallback(() => {
+    setSelectedDocIds(currentPageDocIds)
+  }, [currentPageDocIds])
+
+
+  // Get selection button properties
+  const getSelectionButtonProps = useCallback(() => {
+    if (!hasCurrentPageSelection) {
+      return {
+        text: t('documentPanel.selectDocuments.selectCurrentPage', { count: currentPageDocIds.length }),
+        action: handleSelectCurrentPage,
+        icon: CheckSquareIcon
+      }
+    } else if (isCurrentPageFullySelected) {
+      return {
+        text: t('documentPanel.selectDocuments.deselectAll', { count: currentPageDocIds.length }),
+        action: handleDeselectAll,
+        icon: XIcon
+      }
+    } else {
+      return {
+        text: t('documentPanel.selectDocuments.selectCurrentPage', { count: currentPageDocIds.length }),
+        action: handleSelectCurrentPage,
+        icon: CheckSquareIcon
+      }
+    }
+  }, [hasCurrentPageSelection, isCurrentPageFullySelected, currentPageDocIds.length, handleSelectCurrentPage, handleDeselectAll, t])
+
   // Calculate document counts for each status
   const documentCounts = useMemo(() => {
     if (!docs) return { all: 0 } as Record<string, number>;
@@ -766,6 +811,11 @@ export default function DocumentManager() {
     }
   }, [showFileName, sortField]);
 
+  // Reset selection state when page, status filter, or sort changes
+  useEffect(() => {
+    setSelectedDocIds([])
+  }, [pagination.page, statusFilter, sortField, sortDirection]);
+
   // Central effect to handle all data fetching
   useEffect(() => {
     if (currentTab === 'documents') {
@@ -830,18 +880,29 @@ export default function DocumentManager() {
             {isSelectionMode && (
               <DeleteDocumentsDialog
                 selectedDocIds={selectedDocIds}
-                totalCompletedCount={documentCounts.processed || 0}
                 onDocumentsDeleted={handleDocumentsDeleted}
               />
             )}
-            {isSelectionMode ? (
-              <DeselectDocumentsDialog
-                selectedCount={selectedDocIds.length}
-                onDeselect={handleDeselectAll}
-              />
-            ) : (
+            {isSelectionMode && hasCurrentPageSelection ? (
+              (() => {
+                const buttonProps = getSelectionButtonProps();
+                const IconComponent = buttonProps.icon;
+                return (
+                  <Button
+                    variant="outline"
+                    size="sm"
+                    onClick={buttonProps.action}
+                    side="bottom"
+                    tooltip={buttonProps.text}
+                  >
+                    <IconComponent className="h-4 w-4" />
+                    {buttonProps.text}
+                  </Button>
+                );
+              })()
+            ) : !isSelectionMode ? (
               <ClearDocumentsDialog onDocumentsCleared={handleDocumentsCleared} />
-            )}
+            ) : null}
             <UploadDocumentsDialog onDocumentsUploaded={fetchDocuments} />
             <PipelineStatusDialog
               open={showPipelineStatus}

lightrag_webui/src/locales/ar.json

@@ -74,15 +74,11 @@
       "failed": "فشل حذف المستندات:\n{{message}}",
       "error": "فشل حذف المستندات:\n{{error}}",
       "busy": "خط المعالجة مشغول، يرجى المحاولة مرة أخرى لاحقًا",
-      "notAllowed": "لا توجد صلاحية لتنفيذ هذه العملية",
-      "cannotDeleteAll": "لا يمكن حذف جميع المستندات. إذا كنت بحاجة لحذف جميع المستندات، يرجى استخدام ميزة مسح المستندات."
+      "notAllowed": "لا توجد صلاحية لتنفيذ هذه العملية"
     },
-    "deselectDocuments": {
-      "button": "إلغاء التحديد",
-      "tooltip": "إلغاء تحديد جميع المستندات المحددة",
-      "title": "إلغاء تحديد المستندات",
-      "description": "سيؤدي هذا إلى مسح جميع المستندات المحددة ({{count}} محدد)",
-      "confirmButton": "إلغاء تحديد الكل"
+    "selectDocuments": {
+      "selectCurrentPage": "تحديد الصفحة الحالية ({{count}})",
+      "deselectAll": "إلغاء تحديد الكل ({{count}})"
     },
     "uploadDocuments": {
       "button": "رفع",

lightrag_webui/src/locales/en.json

@@ -74,15 +74,11 @@
       "failed": "Delete Documents Failed:\n{{message}}",
       "error": "Delete Documents Failed:\n{{error}}",
       "busy": "Pipeline is busy, please try again later",
-      "notAllowed": "No permission to perform this operation",
-      "cannotDeleteAll": "Cannot delete all documents. If you need to delete all documents, please use the Clear Documents feature."
+      "notAllowed": "No permission to perform this operation"
     },
-    "deselectDocuments": {
-      "button": "Deselect",
-      "tooltip": "Deselect all selected documents",
-      "title": "Deselect Documents",
-      "description": "This will clear all selected documents ({{count}} selected)",
-      "confirmButton": "Deselect All"
+    "selectDocuments": {
+      "selectCurrentPage": "Select Current Page ({{count}})",
+      "deselectAll": "Deselect All ({{count}})"
     },
     "uploadDocuments": {
       "button": "Upload",

lightrag_webui/src/locales/fr.json

@@ -74,15 +74,11 @@
       "failed": "Échec de la suppression des documents :\n{{message}}",
       "error": "Échec de la suppression des documents :\n{{error}}",
       "busy": "Le pipeline est occupé, veuillez réessayer plus tard",
-      "notAllowed": "Aucune autorisation pour effectuer cette opération",
-      "cannotDeleteAll": "Impossible de supprimer tous les documents. Si vous devez supprimer tous les documents, veuillez utiliser la fonction Effacer les documents."
+      "notAllowed": "Aucune autorisation pour effectuer cette opération"
     },
-    "deselectDocuments": {
-      "button": "Désélectionner",
-      "tooltip": "Désélectionner tous les documents sélectionnés",
-      "title": "Désélectionner les documents",
-      "description": "Cette action effacera tous les documents sélectionnés ({{count}} sélectionnés)",
-      "confirmButton": "Tout désélectionner"
+    "selectDocuments": {
+      "selectCurrentPage": "Sélectionner la page actuelle ({{count}})",
+      "deselectAll": "Tout désélectionner ({{count}})"
     },
     "uploadDocuments": {
       "button": "Télécharger",

lightrag_webui/src/locales/zh.json

@@ -74,15 +74,11 @@
       "failed": "删除文档失败：\n{{message}}",
       "error": "删除文档失败：\n{{error}}",
       "busy": "流水线被占用，请稍后再试",
-      "notAllowed": "没有操作权限",
-      "cannotDeleteAll": "无法删除所有文档。如确实需要删除所有文档请使用清空文档功能。"
+      "notAllowed": "没有操作权限"
     },
-    "deselectDocuments": {
-      "button": "取消选择",
-      "tooltip": "取消选择所有文档",
-      "title": "取消选择文档",
-      "description": "此操作将清除所有选中的文档（已选择 {{count}} 个）",
-      "confirmButton": "取消全部选择"
+    "selectDocuments": {
+      "selectCurrentPage": "全选当前页 ({{count}})",
+      "deselectAll": "取消全选 ({{count}})"
     },
     "uploadDocuments": {
       "button": "上传",

lightrag_webui/src/locales/zh_TW.json

@@ -74,15 +74,11 @@
       "failed": "刪除文件失敗：\n{{message}}",
       "error": "刪除文件失敗：\n{{error}}",
       "busy": "pipeline 被佔用，請稍後再試",
-      "notAllowed": "沒有操作權限",
-      "cannotDeleteAll": "無法刪除所有文件。如確實需要刪除所有文件請使用清空文件功能。"
+      "notAllowed": "沒有操作權限"
     },
-    "deselectDocuments": {
-      "button": "取消選取",
-      "tooltip": "取消選取所有文件",
-      "title": "取消選取文件",
-      "description": "此操作將清除所有選取的文件（已選取 {{count}} 個）",
-      "confirmButton": "取消全部選取"
+    "selectDocuments": {
+      "selectCurrentPage": "全選當前頁 ({{count}})",
+      "deselectAll": "取消全選 ({{count}})"
     },
     "uploadDocuments": {
       "button": "上傳",