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feat[map]: add reset button for map state modifications #695

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feat[map]: add reset button for map state modifications #695

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333a1e6
feat[map]: add reset button for map state modifications
suvanbanerjee Mar 27, 2026
2ffa7b3
feat[map]: add svg icon for reset
suvanbanerjee Mar 30, 2026
efab506
disable rotation of map and remove pitch and bearing reset
suvanbanerjee Mar 30, 2026
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12 changes: 12 additions & 0 deletions apps/nowcasting-app/components/icons/icons.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -387,4 +387,16 @@ export const ZoomOutIcon = (props: React.SVGProps<SVGSVGElement> & { title: stri
</svg>
</span>
);

export const ResetIcon = () => {
return `<svg fill="#000000" viewBox="0 0 1920 1920" xmlns="http://www.w3.org/2000/svg">
<g id="SVGRepo_bgCarrier" stroke-width="0"></g>
<g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g>
<g id="SVGRepo_iconCarrier">
<path d="M960 0v213.333c411.627 0 746.667 334.934 746.667 746.667S1371.627 1706.667 960 1706.667 213.333 1371.733 213.333 960c0-197.013 78.4-382.507 213.334-520.747v254.08H640V106.667H53.333V320h191.04C88.64 494.08 0 720.96 0 960c0 529.28 430.613 960 960 960s960-430.72 960-960S1489.387 0 960 0" fill-rule="evenodd">
</path>
</g>
</svg>`;
};
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@suvanbanerjee suvanbanerjee Mar 30, 2026

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@braddf It is a string because we have to use it in html format, not sure if i should put it here or directly put it in
https://github.com/openclimatefix/quartz-frontend/pull/695/changes#diff-7251d9455f72e8fb43a93e7db2375b1429df6904295216039ede6b9da8fa5fe2R134


export default ZoomOutIcon;
41 changes: 41 additions & 0 deletions apps/nowcasting-app/components/map/map.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import { Dispatch, FC, SetStateAction, useEffect, useRef, useState } from "react
import { IMap } from "./types";
import useUpdateMapStateOnClick from "./use-update-map-state-on-click";
import useGlobalState from "../helpers/globalState";
import { ResetIcon } from "../icons/icons";
import {
AGGREGATION_LEVEL_MIN_ZOOM,
AGGREGATION_LEVELS,
Expand Down Expand Up @@ -61,6 +62,7 @@ const Map: FC<IMap> = ({
const [maps, setMaps] = useGlobalState("maps");
const [currentAggregation, setAggregation] = useGlobalState("aggregationLevel");
const [autoZoom] = useGlobalState("autoZoom");
const resetButtonDiv = useRef<HTMLDivElement | null>(null);

// Keep the latest autoZoom value available inside Mapbox event handlers (avoid stale closures)
const autozoomRef = useRef(autoZoom);
Expand All @@ -84,12 +86,26 @@ const Map: FC<IMap> = ({
console.log("setting map state");
const currentZoom = map.current?.getZoom() || 0;
const center = map.current?.getCenter();
const currentBearing = map.current?.getBearing() || 0;
const currentPitch = map.current?.getPitch() || 0;

setLng(Number(center?.lng.toFixed(4)));
setLat(Number(center?.lat.toFixed(4)));
setZoom(Number(currentZoom.toFixed(2)));

setAggregationLevelByCurrentZoom(currentZoom, autozoomRef.current, setAggregation);

// Check if map has been modified from default state
const mapModified =
currentZoom !== zoom || // Check if zoom has changed
center?.lng.toFixed(4) !== lng.toFixed(4) || // Check if longitude has changed
center?.lat.toFixed(4) !== lat.toFixed(4) || // Check if latitude has changed
currentBearing.toFixed(2) !== bearing.toFixed(2) || // Check if bearing has changed
currentPitch.toFixed(2) !== "0.00"; // Check if pitch has changed

if (mapModified) {
resetButtonDiv.current?.style.setProperty("display", "block");
}
};

if (map.current) return; // initialize map only once
Expand All @@ -108,6 +124,31 @@ const Map: FC<IMap> = ({

const nav = new mapboxgl.NavigationControl({ showCompass: false });
map.current.addControl(nav, "bottom-right");
map.current.addControl(
{
onAdd: function (m) {
const div = document.createElement("div");
div.className = "mapboxgl-ctrl mapboxgl-ctrl-group";
div.style.setProperty("display", "none");
div.innerHTML = `<button title="Reset Zoom" style="padding:7px;">${ResetIcon()}</button>`;
div.onclick = () => {
m.flyTo({
center: [lng, lat],
zoom: zoom,
pitch: 0,
bearing: 0,
duration: 1500,
essential: true
});
div.style.setProperty("display", "none");
};
resetButtonDiv.current = div;
return div;
},
onRemove: function () {}
},
"bottom-right"
);

map.current.on("load", (event) => {
setIsMapReady(true);
Expand Down
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