Files
xyflow/packages/core/src/hooks/useGlobalKeyHandler.ts
T

33 lines
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TypeScript

import { useEffect } from 'react';
import { useStoreApi } from '../hooks/useStore';
import useKeyPress from './useKeyPress';
import type { KeyCode } from '../types';
import useReactFlow from './useReactFlow';
interface HookParams {
deleteKeyCode: KeyCode | null;
multiSelectionKeyCode: KeyCode | null;
}
export default ({ deleteKeyCode, multiSelectionKeyCode }: HookParams): void => {
const store = useStoreApi();
const { deleteElements } = useReactFlow();
const deleteKeyPressed = useKeyPress(deleteKeyCode);
const multiSelectionKeyPressed = useKeyPress(multiSelectionKeyCode);
useEffect(() => {
if (deleteKeyPressed) {
const { edges, getNodes } = store.getState();
const selectedNodes = getNodes().filter((node) => node.selected);
const selectedEdges = edges.filter((edge) => edge.selected);
deleteElements({ nodes: selectedNodes, edges: selectedEdges });
store.setState({ nodesSelectionActive: false });
}
}, [deleteKeyPressed]);
useEffect(() => {
store.setState({ multiSelectionActive: multiSelectionKeyPressed });
}, [multiSelectionKeyPressed]);
};