Merge pull request #2536 from wbkd/pengfu-v11_deleteSelectedElements

Feat: add delete elements helper function

examples/vite-app/src/examples/Basic/index.tsx

@@ -106,7 +106,7 @@ const BasicFlow = () => {
         <button onClick={toggleClassnames} style={{ marginRight: 5 }}>
           toggle classnames
         </button>
-        <button onClick={logToObject}>toObject</button>
+        <button onClick={logToObject} style={{ marginRight: 5 }}>toObject</button>
       </div>
     </ReactFlow>
   );

examples/vite-app/src/examples/UseReactFlow/index.tsx

@@ -43,6 +43,7 @@ const initialNodes: Node[] = [
 const initialEdges: Edge[] = [
   { id: 'e1-2', source: '1', target: '2', animated: true },
   { id: 'e1-3', source: '1', target: '3' },
+  // { id: 'e3-4', source: '3', target: '4' }
 ];
 
 let id = 5;
@@ -64,6 +65,7 @@ const UseZoomPanHelperFlow = () => {
     addEdges,
     getNodes,
     getEdges,
+    deleteElements
   } = useReactFlow();
 
   const onPaneClick = useCallback(
@@ -111,6 +113,16 @@ const UseZoomPanHelperFlow = () => {
     console.log('edges', getEdges());
   }, [getNodes, getEdges]);
 
+  const deleteSelectedElements = useCallback(() => {
+    const selectedNodes = nodes.filter(node => node.selected);
+    const selectedEdges = edges.filter(edge => edge.selected);
+    deleteElements({ nodes: selectedNodes, edges: selectedEdges });
+  }, [deleteElements, nodes, edges])
+
+  const deleteSomeElements = useCallback(() => {
+    deleteElements({ nodes: [{ id: '2' }], edges: [{ id: 'e1-3' }] })
+  }, [])
+
   useEffect(() => {
     addEdges({ id: 'e3-4', source: '3', target: '4' });
   }, [addEdges]);
@@ -137,6 +149,8 @@ const UseZoomPanHelperFlow = () => {
         <button onClick={onAddNode}>add node</button>
         <button onClick={onResetNodes}>reset nodes</button>
         <button onClick={logNodes}>useNodes</button>
+        <button onClick={deleteSelectedElements}>deleteSelectedElements</button>
+        <button onClick={deleteSomeElements}>deleteSomeElements</button>
       </div>
       <Background />
       <MiniMap />