134 lines
3.4 KiB
TypeScript
134 lines
3.4 KiB
TypeScript
import { memo, useEffect, useState, type FC, type PropsWithChildren } from 'react';
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import cc from 'classcat';
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import { shallow } from 'zustand/shallow';
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import { useStore, useStoreApi } from '../../hooks/useStore';
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import useReactFlow from '../../hooks/useReactFlow';
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import Panel from '../../components/Panel';
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import { type ReactFlowState } from '../../types';
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import PlusIcon from './Icons/Plus';
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import MinusIcon from './Icons/Minus';
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import FitviewIcon from './Icons/FitView';
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import LockIcon from './Icons/Lock';
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import UnlockIcon from './Icons/Unlock';
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import ControlButton from './ControlButton';
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import type { ControlProps } from './types';
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const selector = (s: ReactFlowState) => ({
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isInteractive: s.nodesDraggable || s.nodesConnectable || s.elementsSelectable,
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minZoomReached: s.transform[2] <= s.minZoom,
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maxZoomReached: s.transform[2] >= s.maxZoom,
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});
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const Controls: FC<PropsWithChildren<ControlProps>> = ({
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style,
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showZoom = true,
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showFitView = true,
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showInteractive = true,
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fitViewOptions,
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onZoomIn,
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onZoomOut,
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onFitView,
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onInteractiveChange,
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className,
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children,
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position = 'bottom-left',
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}) => {
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const store = useStoreApi();
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const [isVisible, setIsVisible] = useState<boolean>(false);
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const { isInteractive, minZoomReached, maxZoomReached } = useStore(selector, shallow);
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const { zoomIn, zoomOut, fitView } = useReactFlow();
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useEffect(() => {
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setIsVisible(true);
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}, []);
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if (!isVisible) {
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return null;
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}
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const onZoomInHandler = () => {
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zoomIn();
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onZoomIn?.();
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};
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const onZoomOutHandler = () => {
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zoomOut();
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onZoomOut?.();
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};
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const onFitViewHandler = () => {
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fitView(fitViewOptions);
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onFitView?.();
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};
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const onToggleInteractivity = () => {
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store.setState({
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nodesDraggable: !isInteractive,
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nodesConnectable: !isInteractive,
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elementsSelectable: !isInteractive,
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});
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onInteractiveChange?.(!isInteractive);
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};
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return (
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<Panel
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className={cc(['react-flow__controls', className])}
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position={position}
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style={style}
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data-testid="rf__controls"
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>
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{showZoom && (
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<>
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<ControlButton
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onClick={onZoomInHandler}
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className="react-flow__controls-zoomin"
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title="zoom in"
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aria-label="zoom in"
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disabled={maxZoomReached}
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>
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<PlusIcon />
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</ControlButton>
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<ControlButton
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onClick={onZoomOutHandler}
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className="react-flow__controls-zoomout"
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title="zoom out"
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aria-label="zoom out"
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disabled={minZoomReached}
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>
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<MinusIcon />
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</ControlButton>
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</>
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)}
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{showFitView && (
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<ControlButton
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className="react-flow__controls-fitview"
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onClick={onFitViewHandler}
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title="fit view"
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aria-label="fit view"
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>
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<FitviewIcon />
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</ControlButton>
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)}
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{showInteractive && (
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<ControlButton
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className="react-flow__controls-interactive"
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onClick={onToggleInteractivity}
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title="toggle interactivity"
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aria-label="toggle interactivity"
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>
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{isInteractive ? <UnlockIcon /> : <LockIcon />}
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</ControlButton>
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)}
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{children}
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</Panel>
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);
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};
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Controls.displayName = 'Controls';
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export default memo(Controls);
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