🐛(frontend) disable DND grid item when dialog open

We could drag and drop the items even if the
modal was opened, which could cause some unexpected
behaviors. This commit disables the DND
functionality when a dialog box is open.

Author: AntoLC

src/frontend/apps/impress/src/features/docs/docs-grid/components/DocGridContentList.tsx

@@ -3,7 +3,7 @@ import { getEventCoordinates } from '@dnd-kit/utilities';
 import { useModal } from '@gouvfr-lasuite/cunningham-react';
 import { TreeViewMoveModeEnum } from '@gouvfr-lasuite/ui-kit';
 import { useQueryClient } from '@tanstack/react-query';
-import { useMemo, useRef } from 'react';
+import { useEffect, useMemo, useRef, useState } from 'react';
 import { Trans, useTranslation } from 'react-i18next';
 
 import { AlertModal, Card, Text } from '@/components';
@@ -15,6 +15,7 @@ import {
   useDeleteDocInvitation,
 } from '@/docs/doc-share';
 import { useMoveDoc } from '@/docs/doc-tree';
+import { useResponsiveStore } from '@/stores/useResponsiveStore';
 
 import { DocDragEndData, useDragAndDrop } from '../hooks/useDragAndDrop';
 
@@ -151,9 +152,24 @@ export const DraggableDocGridContentList = ({
   const cannotMoveDoc =
     !canDrag || (canDrop !== undefined && !canDrop) || isError;
 
-  if (docs.length === 0) {
-    return null;
-  }
+  const [isDraggableDisabled, setIsDraggableDisabled] = useState(false);
+
+  useEffect(() => {
+    const checkModal = () => {
+      const modalOpen = document.querySelector('[role="dialog"]');
+      setIsDraggableDisabled(!!modalOpen);
+    };
+
+    checkModal();
+
+    const observer = new MutationObserver(checkModal);
+    observer.observe(document.body, {
+      childList: true,
+      subtree: true,
+    });
+
+    return () => observer.disconnect();
+  }, []);
 
   return (
     <>
@@ -170,6 +186,7 @@ export const DraggableDocGridContentList = ({
             dragMode={!!selectedDoc}
             canDrag={!!canDrag}
             updateCanDrop={updateCanDrop}
+            disabled={isDraggableDisabled}
           />
         ))}
         <DragOverlay dropAnimation={null}>
@@ -216,13 +233,15 @@ export const DraggableDocGridContentList = ({
 };
 
 interface DraggableDocGridItemProps {
+  disabled: boolean;
   doc: Doc;
   dragMode: boolean;
   canDrag: boolean;
   updateCanDrop: (canDrop: boolean, isOver: boolean) => void;
 }
 
 export const DraggableDocGridItem = ({
+  disabled,
   doc,
   dragMode,
   canDrag,
@@ -238,18 +257,24 @@ export const DraggableDocGridItem = ({
       id={doc.id}
       data={doc}
     >
-      <Draggable id={doc.id} data={doc}>
+      <Draggable id={doc.id} data={doc} disabled={disabled}>
         <DocsGridItem dragMode={dragMode} doc={doc} />
       </Draggable>
     </Droppable>
   );
 };
 
 export const DocGridContentList = ({ docs }: DocGridContentListProps) => {
+  const { isDesktop } = useResponsiveStore();
+
   if (docs.length === 0) {
     return null;
   }
 
+  if (isDesktop) {
+    return <DraggableDocGridContentList docs={docs} />;
+  }
+
   return docs.map((doc) => (
     <DocsGridItem dragMode={false} doc={doc} key={doc.id} />
   ));

src/frontend/apps/impress/src/features/docs/docs-grid/components/DocsGrid.tsx

@@ -14,10 +14,7 @@ import { useImport } from '../../docs-import/hooks/useImport';
 import { useInfiniteDocsTrashbin } from '../api';
 import { useResponsiveDocGrid } from '../hooks/useResponsiveDocGrid';
 
-import {
-  DocGridContentList,
-  DraggableDocGridContentList,
-} from './DocGridContentList';
+import { DocGridContentList } from './DocGridContentList';
 import { DocsGridLoader } from './DocsGridLoader';
 
 type DocsGridProps = {
@@ -153,11 +150,7 @@ export const DocsGrid = ({
                 </Box>
               </Box>
               <Box role="rowgroup">
-                {isDesktop ? (
-                  <DraggableDocGridContentList docs={docs} />
-                ) : (
-                  <DocGridContentList docs={docs} />
-                )}
+                <DocGridContentList docs={docs} />
               </Box>
             </Box>
             {hasNextPage && !loading && (

src/frontend/apps/impress/src/features/docs/docs-grid/components/Draggable.tsx

@@ -1,15 +1,17 @@
 import { Data, useDraggable } from '@dnd-kit/core';
+import { PropsWithChildren } from 'react';
 
 type DraggableProps<T> = {
   id: string;
   data?: Data<T>;
-  children: React.ReactNode;
+  disabled?: boolean;
 };
 
-export const Draggable = <T,>(props: DraggableProps<T>) => {
+export const Draggable = <T,>(props: PropsWithChildren<DraggableProps<T>>) => {
   const { attributes, listeners, setNodeRef } = useDraggable({
     id: props.id,
     data: props.data,
+    disabled: props.disabled,
   });
 
   return (