Add a custom MapsGL timeline control

This example demonstrates how to integrate a custom timeline control (built with the Timeline component) with the MapsGL Timeline (opens in a new tab). It shows how to sync the timeline state with MapsGL's animation controls and handle playback events.

Key Features

Integration with MapsGL timeline events
Automatic state synchronization
Timeline controls and current date/time display
Weather layer time-based animation

Implementation

First, create the timeline structure:

import { Timeline, VStack, HStack } from '@xweather/maps-ui-sdk';
 
const Timeline = () => (
    <Timeline.Container className="bg-black px-4 py-2 rounded-xl">
        <Timeline.AnimationControl className="bg-white rounded-full size-8 mr-4" />
        <VStack className="items-center h-full w-full">
            <HStack className="justify-start w-full space-x-1 text-sm text-white mb-1">
                <Timeline.DateText />,
                <Timeline.TimeText className="lowercase" />
            </HStack>
            <HStack className="items-center space-x-2 w-full">
                <Timeline.Track className="h-5 border border-[#484E54] bg-[#343A40] rounded-full mt-auto">
                    <Timeline.Scrubber className="cursor-pointer p-3 -m-3">
                        <Timeline.LineProgressIndicator />
                    </Timeline.Scrubber>
                </Timeline.Track>
            </HStack>
        </VStack>
    </Timeline.Container>
);

Wrap the Timeline component in Timeline.Provider and set up the MapsGL timeline integration handlers:

import { Timeline, useMapsGLMapControllerContext } from '@xweather/maps-ui-sdk';
 
const MapsGLTimelineControl = () => {
    const { controller } = useMapsGLMapControllerContext();
    const [currentDate, setCurrentDate] = useState<Date | null>(controller?.timeline?.currentDate);
 
    useEffect(() => {
        if (!controller?.timeline) return;
        
        controller.timeline.on('advance', () => {
            if (controller.timeline.currentDate) {
                setCurrentDate(controller.timeline.currentDate);
            }
        });
    }, [controller]);
 
    const handlePlay = () => {
        if (controller.timeline.isActive) {
            controller.timeline.resume();
        } else {
            controller.timeline.play();
        }
    };
 
    const handlePause = () => {
        controller.timeline.pause();
    };
 
    const handlePositionChange = (position: number) => {
        controller.timeline.goTo(position);
    };
 
    if (!controller?.timeline) return null;
 
    return (
        <Timeline.Provider
            startDate={controller.timeline.startDate}
            endDate={controller.timeline.endDate}
            currentDate={currentDate}
            position={controller.timeline.position}
            onPlay={handlePlay}
            onPause={handlePause}
            onPositionChange={handlePositionChange}
        >
            <Timeline />
        </Timeline.Provider>
    );
};

Wrap the timeline control in the MapsGLMapControllerProvider and add a weather layer that supports time-based animation:

import { MapsGLMapControllerProvider, Anchor } from '@xweather/maps-ui-sdk';
 
const controllerOptions = {
    animation: {
        duration: 6,
        endDelay: 1,
    },
};
 
<MapsGLMapControllerProvider
    accessKeys={accessKeys}
    strategy="mapbox"
    map={map}
    options={options}
    onLoad={(event) => {
        const controller = event.target;
        controller.addWeatherLayer('air-quality-no2');
    }}
>
    <Anchor.Bottom offsetY={40} className="z-10">
        <MapsGLTimelineControl />
    </Anchor.Bottom>
</MapsGLMapControllerProvider>

You can configure the MapsGL timeline behavior through the options.animation prop in the MapsGLMapControllerProvider. For all available timeline options, see the MapsGL Timeline documentation (opens in a new tab).

For details on setting up the map and controller, see the Add a map controller with controls example. For more information about building custom timeline controls, see the Custom Timeline Control example.

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