react-native-chart-kit/dist/v2/react-native/charts/line/responders.js

Beautiful React Native charts for dashboards, reports, and data-rich mobile apps.

import { useCallback } from "react";
export const useLineChartResponderProps = ({ clearGestureSelection, handleInteractionEvent, interactionConfig, isInteractionEnabled, isResponderEventInPlot, preventBrowserSelection, viewportPan }) => {
    const handleResponderGrant = useCallback((event) => {
        preventBrowserSelection(event);
        if (!isResponderEventInPlot(event)) {
            if (interactionConfig.deselectOnOutsidePress) {
                clearGestureSelection({ reason: "outsidePress" });
            }
            return;
        }
        if (viewportPan.isEnabled) {
            viewportPan.handleGrant(event);
            return;
        }
        interactionConfig.onGestureStart?.();
        handleInteractionEvent(event);
    }, [
        clearGestureSelection,
        handleInteractionEvent,
        interactionConfig,
        isResponderEventInPlot,
        preventBrowserSelection,
        viewportPan
    ]);
    const handleResponderMove = useCallback((event) => {
        if (viewportPan.isActive()) {
            viewportPan.handleMove(event);
            return;
        }
        if (interactionConfig.mode === "scrub") {
            handleInteractionEvent(event);
        }
    }, [handleInteractionEvent, interactionConfig.mode, viewportPan]);
    const handleResponderEnd = useCallback(() => {
        if (viewportPan.isActive()) {
            viewportPan.handleEnd();
            return;
        }
        if (interactionConfig.selectionPersistence === "whileActive") {
            clearGestureSelection({ reason: "gestureEnd" });
        }
        interactionConfig.onGestureEnd?.();
    }, [clearGestureSelection, interactionConfig, viewportPan]);
    const isResponderEnabled = isInteractionEnabled || viewportPan.isEnabled;
    return isResponderEnabled
        ? {
            onStartShouldSetResponderCapture: (event) => viewportPan.shouldSetResponder(event) || isInteractionEnabled,
            onMoveShouldSetResponderCapture: (event) => viewportPan.shouldSetResponder(event) ||
                (interactionConfig.mode === "scrub" && isResponderEventInPlot(event)),
            onStartShouldSetResponder: (event) => viewportPan.shouldSetResponder(event) || isInteractionEnabled,
            onMoveShouldSetResponder: (event) => viewportPan.shouldSetResponder(event) ||
                (interactionConfig.mode === "scrub" && isResponderEventInPlot(event)),
            onResponderTerminationRequest: () => viewportPan.isActive()
                ? !viewportPan.shouldBlockTermination
                : interactionConfig.mode !== "scrub",
            onResponderGrant: handleResponderGrant,
            onResponderMove: handleResponderMove,
            onResponderRelease: handleResponderEnd,
            onResponderTerminate: handleResponderEnd
        }
        : {};
};