WME Reload Map Position Fix

Keeps track of the current map center and zoom and restores it upon reloading.
Stel een vraag, plaats een beoordeling of rapporteer dit script.
Regels afbreken
// ==UserScript==
// @name            WME Reload Map Position Fix
// @namespace       https://greasyfork.org/users/166843
// @description     Keeps track of the current map center and zoom and restores it upon reloading.
// @version         2023.03.15.01
// @author          dBsooner
// @grant           none
// @license         GPLv3
// @match           http*://*.waze.com/*editor*
// @exclude         http*://*.waze.com/user/editor*
// @contributionURL https://github.com/WazeDev/Thank-The-Authors
// ==/UserScript==

/* global W, $, OpenLayers */

/* Changelog:                                                                           *
 *  2020.09.08.01: Initial release.                                                     *
 *  2020.09.09.01: Check for URL parameters.                                            *
 *  2021.09.01.01: Update to latest WME zoom level changes.                             *
 *  2023.03.15.01: New bootstrap routine.                                               *
 *                 Code structure with new linter options.                              *
 *                 Change @include to @match with @exclude in userscript headers.       *
 *                                                                                      */

(function () {
    'use strict';

    const SETTINGS_STORE_NAME = 'WME_RMPF';

    function log(message) { console.log('WME-RMPF:', message); }

    function updatedSavedMapPosition() {
        const storage = { savedCenter: W.map.getCenter(), savedZoom: W.map.getZoom() };
        localStorage.setItem(SETTINGS_STORE_NAME, JSON.stringify(storage));
        sessionStorage.setItem(SETTINGS_STORE_NAME, JSON.stringify(storage));
    }

    function onWmeReady() {
        const loadedSettings = $.parseJSON(sessionStorage.getItem(SETTINGS_STORE_NAME)) || $.parseJSON(localStorage.getItem(SETTINGS_STORE_NAME)),
            savedCenter = (loadedSettings) ? loadedSettings.savedCenter : W.map.getCenter(),
            savedZoom = (loadedSettings) ? loadedSettings.savedZoom : W.map.getZoom(),
            currCenter = W.map.getCenter(),
            currZoom = W.map.getZoom(),
            urlParams = new URLSearchParams(window.location.search);
        if (!urlParams.get('lon') && !urlParams.get('lat') && !urlParams.get('zoomLevel') && ((currCenter.lon !== savedCenter.lon) || (currCenter.lat !== savedCenter.lat) || (savedZoom !== currZoom))) {
            log('Changing map position.');
            W.map.getOLMap().moveTo(new OpenLayers.LonLat([savedCenter.lon, savedCenter.lat]), savedZoom);
        }
        W.map.events.register('zoomend', null, updatedSavedMapPosition);
        W.map.events.register('moveend', null, updatedSavedMapPosition);
        window.addEventListener('beforeunload', updatedSavedMapPosition, false);
    }

    function onWmeInitialized() {
        if (W.userscripts?.state?.isReady) {
            log('W is ready and already in "wme-ready" state. Proceeding with initialization.');
            onWmeReady();
        }
        else {
            log('W is ready, but state is not "wme-ready". Adding event listener.');
            document.addEventListener('wme-ready', onWmeReady, { once: true });
        }
    }

    function bootstrap() {
        if (!W) {
            log('W is not available. Adding event listener.');
            document.addEventListener('wme-initialized', onWmeInitialized, { once: true });
        }
        else {
            onWmeInitialized();
        }
    }

    bootstrap();
}
)();