feat(map): add organization color scheme and improve map controls

config/services.yaml

@@ -14,3 +14,5 @@ services:
     tags:
       - { name: contao.callback, table: tl_organization, target: config.onbeforesubmit, method: onBeforeSubmit }
       - { name: contao.callback, table: tl_location, target: config.onbeforesubmit, method: onBeforeSubmit }
+
+  MummertMedia\EventManagerBundle\Service\MapModuleDataProvider: ~

contao/dca/tl_module.php

@@ -3,11 +3,13 @@
 declare(strict_types=1);
 
 use Contao\Database;
+use Contao\Controller;
 use Contao\StringUtil;
 
 $GLOBALS['TL_DCA']['tl_module']['palettes']['member_organizations'] = '{title_legend},name,headline,type;{eventmanager_legend},editPage;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
 $GLOBALS['TL_DCA']['tl_module']['palettes']['member_events'] = '{title_legend},name,headline,type;{eventmanager_legend},editPage;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
-$GLOBALS['TL_DCA']['tl_module']['palettes']['event_filter'] = '{title_legend},name,headline,type;{eventmanager_legend},cal_calendar;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
+$GLOBALS['TL_DCA']['tl_module']['palettes']['event_filter'] = '{title_legend},name,headline,type;{eventmanager_legend},cal_calendar,eventListDomId;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
+$GLOBALS['TL_DCA']['tl_module']['palettes']['eventmanager_map'] = '{title_legend},name,headline,type;{eventmanager_legend},mapShowOrganizations,mapShowExternalOrganizations,mapShowEvents,mapEventColor,mapOrganizationColorScheme,mapCenterMode;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
 $GLOBALS['TL_DCA']['tl_module']['palettes']['organization_edit'] = '{title_legend},name,headline,type;{eventmanager_legend},listPage,logoFolder,organizationTypeTags;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
 $GLOBALS['TL_DCA']['tl_module']['palettes']['event_edit'] = '{title_legend},name,headline,type;{eventmanager_legend},listPage,eventFolder,termsPage,frontendAuthorId,frontendArchiveId,eventTypeTags;{protected_legend:hide},protected;{expert_legend:hide},guests,cssID';
 
@@ -120,3 +122,129 @@ $GLOBALS['TL_DCA']['tl_module']['fields']['eventTypeTags'] = [
         },
     ],
 ];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['eventListDomId'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['eventListDomId'],
+    'exclude' => true,
+    'inputType' => 'select',
+    'options_callback' => static function (): array {
+        $rows = Database::getInstance()
+            ->prepare('SELECT id, name, cssID FROM tl_module WHERE type=? ORDER BY name ASC, id ASC')
+            ->execute('eventlist')
+            ->fetchAllAssoc();
+
+        $options = [];
+
+        foreach ($rows as $row) {
+            $moduleId = (int) ($row['id'] ?? 0);
+
+            if ($moduleId <= 0) {
+                continue;
+            }
+
+            $cssId = StringUtil::deserialize($row['cssID'] ?? null, true);
+            $domId = trim((string) ($cssId[0] ?? ''));
+            $domId = '' !== $domId ? $domId : sprintf('mod_eventlist_%d', $moduleId);
+            $moduleName = trim((string) ($row['name'] ?? ''));
+
+            if ('' === $moduleName) {
+                $moduleName = sprintf('Eventliste %d', $moduleId);
+            }
+
+            $options[$domId] = sprintf('%s [%s]', $moduleName, $domId);
+        }
+
+        return $options;
+    },
+    'eval' => ['includeBlankOption' => true, 'chosen' => true, 'tl_class' => 'w50'],
+    'sql' => ['type' => 'string', 'length' => 128, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['palettes']['__selector__'][] = 'mapCenterMode';
+$GLOBALS['TL_DCA']['tl_module']['subpalettes']['mapCenterMode_custom'] = 'mapCenterLat,mapCenterLng,mapCenterZoom';
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapShowOrganizations'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapShowOrganizations'],
+    'exclude' => true,
+    'inputType' => 'checkbox',
+    'eval' => ['tl_class' => 'w50 m12'],
+    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapShowExternalOrganizations'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapShowExternalOrganizations'],
+    'exclude' => true,
+    'inputType' => 'checkbox',
+    'eval' => ['tl_class' => 'w50 m12'],
+    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapShowEvents'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapShowEvents'],
+    'exclude' => true,
+    'inputType' => 'checkbox',
+    'eval' => ['tl_class' => 'w50 m12'],
+    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapEventColor'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapEventColor'],
+    'exclude' => true,
+    'inputType' => 'text',
+    'eval' => ['maxlength' => 7, 'rgxp' => 'hexcolor', 'colorpicker' => true, 'tl_class' => 'w50'],
+    'sql' => ['type' => 'string', 'length' => 7, 'default' => '#BC5067'],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapOrganizationColorScheme'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapOrganizationColorScheme'],
+    'exclude' => true,
+    'inputType' => 'text',
+    'eval' => ['maxlength' => 1024, 'tl_class' => 'clr long'],
+    'sql' => ['type' => 'string', 'length' => 1024, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapCenterMode'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapCenterMode'],
+    'exclude' => true,
+    'inputType' => 'select',
+    'options' => ['markers', 'custom'],
+    'reference' => &$GLOBALS['TL_LANG']['tl_module']['mapCenterMode_options'],
+    'eval' => ['submitOnChange' => true, 'mandatory' => true, 'tl_class' => 'clr w50', 'includeBlankOption' => false],
+    'sql' => ['type' => 'string', 'length' => 16, 'default' => 'markers'],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapCenterLat'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapCenterLat'],
+    'exclude' => true,
+    'inputType' => 'text',
+    'eval' => ['maxlength' => 32, 'tl_class' => 'w50'],
+    'sql' => ['type' => 'string', 'length' => 32, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapCenterLng'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapCenterLng'],
+    'exclude' => true,
+    'inputType' => 'text',
+    'eval' => ['maxlength' => 32, 'tl_class' => 'w50'],
+    'sql' => ['type' => 'string', 'length' => 32, 'default' => ''],
+];
+
+$GLOBALS['TL_DCA']['tl_module']['fields']['mapCenterZoom'] = [
+    'label' => &$GLOBALS['TL_LANG']['tl_module']['mapCenterZoom'],
+    'exclude' => true,
+    'inputType' => 'text',
+    'eval' => ['rgxp' => 'digit', 'maxlength' => 2, 'tl_class' => 'w50'],
+    'sql' => ['type' => 'smallint', 'unsigned' => true, 'default' => 12],
+];
+
+if (isset($GLOBALS['TL_DCA']['tl_module']['fields']['list_layout'])) {
+    $GLOBALS['TL_DCA']['tl_module']['fields']['list_layout']['options_callback'] = static function (): array {
+        $options = Controller::getTemplateGroup('list_');
+
+        if (!isset($options['list_default_organisationen'])) {
+            $options['list_default_organisationen'] = 'list_default_organisationen';
+        }
+
+        return $options;
+    };
+}

contao/languages/de/modules.php

@@ -10,4 +10,5 @@ $GLOBALS['TL_LANG']['FMD']['member_organizations'] = ['Meine Organisationen', 'L
 $GLOBALS['TL_LANG']['FMD']['organization_edit'] = ['Organisation bearbeiten', 'Bearbeitungsformular für eine Organisation.'];
 $GLOBALS['TL_LANG']['FMD']['member_events'] = ['Meine Veranstaltungen', 'Listet Veranstaltungen der zugeordneten Organisationen auf.'];
 $GLOBALS['TL_LANG']['FMD']['event_filter'] = ['Eventfilter', 'Filter für kommende Veranstaltungen (Tags, Orte, Veranstalter).'];
+$GLOBALS['TL_LANG']['FMD']['eventmanager_map'] = ['Eventkarte', 'Zeigt Veranstaltungsorte, Organisationen und Events auf einer Karte an.'];
 $GLOBALS['TL_LANG']['FMD']['event_edit'] = ['Veranstaltung bearbeiten', 'Bearbeitungsformular für eine Veranstaltung.'];

contao/languages/de/tl_module.php

@@ -10,5 +10,19 @@ $GLOBALS['TL_LANG']['tl_module']['eventFolder'] = ['Event-Ordner', 'Bitte wähle
 $GLOBALS['TL_LANG']['tl_module']['termsPage'] = ['Seite mit Nutzungsbedingungen', 'Optional: Seite mit den Nutzungsbedingungen, die im Frontend beim Zustimmungs-Label verlinkt wird.'];
 $GLOBALS['TL_LANG']['tl_module']['frontendAuthorId'] = ['Backend Benutzer ID', 'ID des Backend-Benutzers, der als Autor für frontendseitig angelegte Events gesetzt wird.'];
 $GLOBALS['TL_LANG']['tl_module']['frontendArchiveId'] = ['ID des Newsarchivs', 'Archiv-ID (pid), in das frontendseitig angelegte Events gespeichert werden.'];
+$GLOBALS['TL_LANG']['tl_module']['eventListDomId'] = ['Eventlisten-ID (DOM)', 'Wählen Sie die ID der Eventliste, die durch das Event-Filter-Modul gefiltert werden soll.'];
 $GLOBALS['TL_LANG']['tl_module']['organizationTypeTags'] = ['Anzuzeigende Organisationstypen', 'Optional: Begrenzen Sie die im Frontend anzeigbaren Organisationstyp-Tags. Leer = alle.'];
 $GLOBALS['TL_LANG']['tl_module']['eventTypeTags'] = ['Anzuzeigende Veranstaltungstypen', 'Optional: Begrenzen Sie die im Frontend anzeigbaren Veranstaltungstyp-Tags. Leer = alle.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowOrganizations'] = ['Organisationen anzeigen', 'Wenn aktiviert, werden Organisations-Marker auf der Karte dargestellt.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowExternalOrganizations'] = ['Externe Organisationen anzeigen', 'Wenn aktiviert, werden externe Organisationen (isExternal=1) zusätzlich auf der Karte dargestellt. Standard: nein.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowEvents'] = ['Veranstaltungen anzeigen', 'Wenn aktiviert, werden Event- (inkl. Orts-) Marker auf der Karte dargestellt.'];
+$GLOBALS['TL_LANG']['tl_module']['mapEventColor'] = ['Event-Farbe (Kreise/Linien)', 'Farbe für Event-Cluster, Event-Punkte und Spiderfy-Verbindungslinien (Hex, z. B. #BC5067).'];
+$GLOBALS['TL_LANG']['tl_module']['mapOrganizationColorScheme'] = ['Farbschema (Organisationstypen)', 'Kommagetrennte Farben für Organisationstypen/Tags, z. B. ff6600,77dd33,ff99bb. Markerfarbe richtet sich nach dem ersten Tag.'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterMode'] = ['Karten-Zentrierung', 'Wählen Sie, ob die Karte anhand der Marker oder mit festen Koordinaten zentriert werden soll.'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterMode_options'] = [
+	'markers' => 'Anhand der Marker (alle Marker sichtbar)',
+	'custom' => 'Feste Geodaten + Zoom-Level',
+];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterLat'] = ['Breitengrad (Center)', 'Breitengrad für die feste Kartenzentrierung, z. B. 51.0538'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterLng'] = ['Längengrad (Center)', 'Längengrad für die feste Kartenzentrierung, z. B. 13.3080'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterZoom'] = ['Zoom-Level (Center)', 'Zoom-Level für die feste Kartenzentrierung (z. B. 12).'];

contao/languages/en/modules.php

@@ -10,4 +10,5 @@ $GLOBALS['TL_LANG']['FMD']['member_organizations'] = ['My organizations', 'Lists
 $GLOBALS['TL_LANG']['FMD']['organization_edit'] = ['Edit organization', 'Edit form for one organization.'];
 $GLOBALS['TL_LANG']['FMD']['member_events'] = ['My events', 'Lists events of the member organizations.'];
 $GLOBALS['TL_LANG']['FMD']['event_filter'] = ['Event filter', 'Filters upcoming events (tags, locations, organizers).'];
+$GLOBALS['TL_LANG']['FMD']['eventmanager_map'] = ['Event map', 'Displays locations, organizations and events on a map.'];
 $GLOBALS['TL_LANG']['FMD']['event_edit'] = ['Edit event', 'Edit form for one event.'];

contao/languages/en/tl_module.php

@@ -10,5 +10,19 @@ $GLOBALS['TL_LANG']['tl_module']['eventFolder'] = ['Event folder', 'Please selec
 $GLOBALS['TL_LANG']['tl_module']['termsPage'] = ['Terms page', 'Optional: page containing the terms of use linked from the frontend consent label.'];
 $GLOBALS['TL_LANG']['tl_module']['frontendAuthorId'] = ['Backend user ID', 'Backend user ID that should be set as author for events created from the frontend.'];
 $GLOBALS['TL_LANG']['tl_module']['frontendArchiveId'] = ['News archive ID', 'Archive ID (pid) where events created from the frontend should be stored.'];
+$GLOBALS['TL_LANG']['tl_module']['eventListDomId'] = ['Event list ID (DOM)', 'Select the event list ID that should be filtered by the event filter module.'];
 $GLOBALS['TL_LANG']['tl_module']['organizationTypeTags'] = ['Displayed organization types', 'Optional: Limit which organization type tags can be selected in the frontend. Empty = all.'];
 $GLOBALS['TL_LANG']['tl_module']['eventTypeTags'] = ['Displayed event types', 'Optional: Limit which event type tags can be selected in the frontend. Empty = all.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowOrganizations'] = ['Show organizations', 'If enabled, organization markers are rendered on the map.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowExternalOrganizations'] = ['Show external organizations', 'If enabled, external organizations (isExternal=1) are additionally rendered on the map. Default: no.'];
+$GLOBALS['TL_LANG']['tl_module']['mapShowEvents'] = ['Show events', 'If enabled, event markers (including related locations) are rendered on the map.'];
+$GLOBALS['TL_LANG']['tl_module']['mapEventColor'] = ['Event color (circles/lines)', 'Color for event clusters, event points and spiderfy connector lines (hex, e.g. #BC5067).'];
+$GLOBALS['TL_LANG']['tl_module']['mapOrganizationColorScheme'] = ['Color scheme (organization types)', 'Comma-separated colors for organization type tags, e.g. ff6600,77dd33,ff99bb. Marker color follows the first tag.'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterMode'] = ['Map centering', 'Choose whether the map should center by markers or fixed coordinates.'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterMode_options'] = [
+	'markers' => 'By markers (fit all visible markers)',
+	'custom' => 'Fixed coordinates + zoom level',
+];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterLat'] = ['Center latitude', 'Latitude for fixed map centering, e.g. 51.0538'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterLng'] = ['Center longitude', 'Longitude for fixed map centering, e.g. 13.3080'];
+$GLOBALS['TL_LANG']['tl_module']['mapCenterZoom'] = ['Center zoom level', 'Zoom level for fixed map centering (e.g. 12).'];

contao/templates/frontend/event_filter.html.twig

@@ -1,27 +1,425 @@
-<div id="eventfilters">
+<div id="eventfilters" data-eventlist-id="{{ targetEventListId|default('eventlist')|e('html_attr') }}">
-    <button type="button" data-filter-tag="all">Alle</button>
+    <div class="select-filters">
+        <div class="widget-select category">
+            <label for="tag-filter" class="visually-hidden">Kategorie wählen</label>
+            <select id="tag-filter" placeholder="Kategorie wählen" autocomplete="off">
+                <option value="">Kategorie wählen</option>
+                {% for tag in tagButtons|default([]) %}
+                    <option value="tag-{{ tag.id }}">{{ tag.title }} ({{ tag.count }})</option>
+                {% endfor %}
+            </select>
+        </div>
 
-    {% for tag in tagButtons|default([]) %}
+        <div class="widget-select places">
-        <button type="button" data-filter-tag="{{ tag.id }}">{{ tag.title }} ({{ tag.count }})</button>
+            <label for="location-filter" class="visually-hidden">Ort wählen</label>
-    {% endfor %}
+            <select id="location-filter" placeholder="Ort wählen" autocomplete="off">
+                <option value="">Ort wählen</option>
+                {% for location in locations|default([]) %}
+                    <option value="location-{{ location.id }}">{{ location.title }} ({{ location.count }})</option>
+                {% endfor %}
+            </select>
+        </div>
 
-    <div class="widget-select places">
+        <div class="widget-select org">
-        <label for="location-filter">Orte:</label>
+            <label for="org-filter" class="visually-hidden">Veranstalter wählen</label>
-        <select id="location-filter">
+            <select id="org-filter" placeholder="Veranstalter wählen" autocomplete="off">
-            <option value="all">Orte</option>
+                <option value="">Veranstalter wählen</option>
-            {% for location in locations|default([]) %}
+                {% for organization in organizations|default([]) %}
-                <option value="location-{{ location.id }}">{{ location.title }} ({{ location.count }})</option>
+                    <option value="org-{{ organization.id }}">{{ organization.title }} ({{ organization.count }})</option>
-            {% endfor %}
+                {% endfor %}
-        </select>
+            </select>
+        </div>
     </div>
 
-    <div class="widget-select org">
+    <button type="button" id="eventfilter-reset" class="eventfilter-reset" aria-label="Alle Filter zurücksetzen" aria-controls="{{ targetEventListId|default('eventlist')|e('html_attr') }}" hidden>Filter zurücksetzen</button>
-        <label for="org-filter">Veranstalter:</label>
+
-        <select id="org-filter">
+    <p id="eventfilter-status" class="visually-hidden" aria-live="polite"></p>
-            <option value="all">Veranstalter</option>
-            {% for organization in organizations|default([]) %}
-                <option value="org-{{ organization.id }}">{{ organization.title }} ({{ organization.count }})</option>
-            {% endfor %}
-        </select>
-    </div>
 </div>
+
+<style>
+    .visually-hidden {
+        position: absolute;
+        width: 1px;
+        height: 1px;
+        padding: 0;
+        margin: -1px;
+        overflow: hidden;
+        clip: rect(0, 0, 0, 0);
+        white-space: nowrap;
+        border: 0;
+    }
+
+    .event-filter-target-list {
+        display: grid;
+        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
+        gap: 1rem;
+    }
+
+    .event-filter-target-list .event {
+        opacity: 1;
+        transform: translateY(0);
+        transition: opacity 220ms ease, transform 220ms ease;
+        will-change: opacity, transform;
+    }
+
+    .event-filter-target-list .event.is-filtered-out {
+        opacity: 0;
+        transform: translateY(6px);
+        pointer-events: none;
+    }
+
+    #eventfilters .widget-select.active select {
+        outline: 3px solid currentColor;
+        outline-offset: 3px;
+    }
+
+    #eventfilters select:focus-visible {
+        outline: 3px solid currentColor;
+        outline-offset: 3px;
+    }
+
+    #eventfilters .eventfilter-reset[hidden] {
+        display: none;
+    }
+
+</style>
+
+<script type="module">
+    const filters = document.getElementById('eventfilters');
+
+    if (!filters) {
+        throw new Error('Event filter requires #eventfilters.');
+    }
+
+    const targetEventListId = filters.dataset.eventlistId || 'eventlist';
+    const list = document.getElementById(targetEventListId);
+
+    if (!list) {
+        console.warn(`[event_filter] Target event list #${targetEventListId} was not found.`);
+    }
+
+    list?.classList.add('event-filter-target-list');
+
+    const events = list ? Array.from(list.querySelectorAll(':scope > .event')) : [];
+    const tagSelect = filters.querySelector('#tag-filter');
+    const locationSelect = filters.querySelector('#location-filter');
+    const orgSelect = filters.querySelector('#org-filter');
+    const tagWidget = tagSelect?.closest('.widget-select');
+    const locationWidget = locationSelect?.closest('.widget-select');
+    const orgWidget = orgSelect?.closest('.widget-select');
+    const resetButton = filters.querySelector('#eventfilter-reset');
+    const status = filters.querySelector('#eventfilter-status');
+    const stateStorageKey = 'event-filter-state';
+    const stateQueryKey = 'event_filter';
+
+    const animationMs = 220;
+    let hideTimers = new WeakMap();
+    let currentFilter = { type: 'all', value: '' };
+    let suppressedChangeEvents = 0;
+
+    const hasOptionValue = (selectElement, value) => {
+        if (!selectElement) {
+            return false;
+        }
+
+        return Array.from(selectElement.options).some((option) => option.value === value);
+    };
+
+    const rawValueToFilterState = (rawValue) => {
+        const value = (rawValue || '').trim();
+
+        if (!value) {
+            return { type: 'all', value: '' };
+        }
+
+        if (value.startsWith('tag-') && hasOptionValue(tagSelect, value)) {
+            return { type: 'tag', value: value.replace('tag-', '') };
+        }
+
+        if (value.startsWith('location-') && hasOptionValue(locationSelect, value)) {
+            return { type: 'location', value: value.replace('location-', '') };
+        }
+
+        if (value.startsWith('org-') && hasOptionValue(orgSelect, value)) {
+            return { type: 'org', value: value.replace('org-', '') };
+        }
+
+        return { type: 'all', value: '' };
+    };
+
+    const filterStateToRawValue = (filterState) => {
+        if (!filterState.value || filterState.type === 'all') {
+            return '';
+        }
+
+        if (filterState.type === 'tag') {
+            return `tag-${filterState.value}`;
+        }
+
+        if (filterState.type === 'location') {
+            return `location-${filterState.value}`;
+        }
+
+        if (filterState.type === 'org') {
+            return `org-${filterState.value}`;
+        }
+
+        return '';
+    };
+
+    const readUrlState = () => {
+        const url = new URL(window.location.href);
+        return (url.searchParams.get(stateQueryKey) || '').trim();
+    };
+
+    const writeUrlState = (value) => {
+        const url = new URL(window.location.href);
+
+        if (value) {
+            url.searchParams.set(stateQueryKey, value);
+        } else {
+            url.searchParams.delete(stateQueryKey);
+        }
+
+        window.history.replaceState(window.history.state, '', url);
+    };
+
+    const readStoredState = () => {
+        try {
+            return (window.sessionStorage.getItem(stateStorageKey) || '').trim();
+        } catch (error) {
+            return '';
+        }
+    };
+
+    const writeStoredState = (value) => {
+        try {
+            if (value) {
+                window.sessionStorage.setItem(stateStorageKey, value);
+            } else {
+                window.sessionStorage.removeItem(stateStorageKey);
+            }
+        } catch (error) {
+            // noop
+        }
+    };
+
+    const syncState = (filterState) => {
+        const rawValue = filterStateToRawValue(filterState);
+        writeStoredState(rawValue);
+        writeUrlState(rawValue);
+    };
+
+    const applyControlState = (filterState) => {
+        const tagValue = filterState.type === 'tag' ? `tag-${filterState.value}` : '';
+        const locationValue = filterState.type === 'location' ? `location-${filterState.value}` : '';
+        const orgValue = filterState.type === 'org' ? `org-${filterState.value}` : '';
+
+        setSelectValue(tagSelect, tagValue);
+        setSelectValue(locationSelect, locationValue);
+        setSelectValue(orgSelect, orgValue);
+    };
+
+    const setSelectValue = (selectElement, value) => {
+        if (!selectElement) {
+            return;
+        }
+
+        if (selectElement.value === value) {
+            return;
+        }
+
+        suppressedChangeEvents += 1;
+
+        try {
+            selectElement.value = value;
+        } finally {
+            queueMicrotask(() => {
+                suppressedChangeEvents = Math.max(0, suppressedChangeEvents - 1);
+            });
+        }
+    };
+
+    const clearHideTimer = (eventItem) => {
+        const timer = hideTimers.get(eventItem);
+
+        if (timer) {
+            window.clearTimeout(timer);
+            hideTimers.delete(eventItem);
+        }
+    };
+
+    const showEvent = (eventItem) => {
+        clearHideTimer(eventItem);
+        eventItem.hidden = false;
+
+        requestAnimationFrame(() => {
+            eventItem.classList.remove('is-filtered-out');
+        });
+    };
+
+    const hideEvent = (eventItem) => {
+        clearHideTimer(eventItem);
+        eventItem.classList.add('is-filtered-out');
+
+        const timer = window.setTimeout(() => {
+            eventItem.hidden = true;
+            hideTimers.delete(eventItem);
+        }, animationMs);
+
+        hideTimers.set(eventItem, timer);
+    };
+
+    const setActiveControl = ({ type, value }) => {
+        const hasActiveTag = type === 'tag' && Boolean(value);
+        const hasActiveLocation = type === 'location' && Boolean(value);
+        const hasActiveOrg = type === 'org' && Boolean(value);
+
+        tagWidget?.classList.toggle('active', hasActiveTag);
+        locationWidget?.classList.toggle('active', hasActiveLocation);
+        orgWidget?.classList.toggle('active', hasActiveOrg);
+
+        if (resetButton) {
+            resetButton.hidden = !(hasActiveTag || hasActiveLocation || hasActiveOrg);
+        }
+    };
+
+    const parseIdList = (rawValue) => (rawValue ?? '')
+        .split(',')
+        .map((value) => value.trim())
+        .filter(Boolean);
+
+    const matches = (eventItem, filterState) => {
+        if (!filterState.value || filterState.type === 'all') {
+            return true;
+        }
+
+        if (filterState.type === 'tag') {
+            return parseIdList(eventItem.dataset.tags).includes(filterState.value);
+        }
+
+        if (filterState.type === 'location') {
+            return eventItem.dataset.location === filterState.value;
+        }
+
+        if (filterState.type === 'org') {
+            return parseIdList(eventItem.dataset.org).includes(filterState.value);
+        }
+
+        return true;
+    };
+
+    const updateStatus = (filterState) => {
+        if (!status) {
+            return;
+        }
+
+        const visibleCount = events.filter((eventItem) => !eventItem.hidden).length;
+        let filterText = 'alle';
+
+        if (filterState.type === 'tag' && tagSelect) {
+            const option = tagSelect.options[tagSelect.selectedIndex];
+            filterText = option ? option.textContent.trim() : 'Kategorie wählen';
+        }
+
+        if (filterState.type === 'location' && locationSelect) {
+            const option = locationSelect.options[locationSelect.selectedIndex];
+            filterText = option ? option.textContent.trim() : 'Ort';
+        }
+
+        if (filterState.type === 'org' && orgSelect) {
+            const option = orgSelect.options[orgSelect.selectedIndex];
+            filterText = option ? option.textContent.trim() : 'Veranstalter';
+        }
+
+        status.textContent = `${visibleCount} Veranstaltungen angezeigt, Filter: ${filterText}.`;
+    };
+
+    const applyFilter = (filterState) => {
+        currentFilter = filterState;
+        setActiveControl(filterState);
+
+        events.forEach((eventItem) => {
+            if (matches(eventItem, filterState)) {
+                showEvent(eventItem);
+            } else {
+                hideEvent(eventItem);
+            }
+        });
+
+        updateStatus(filterState);
+        syncState(filterState);
+    };
+
+    tagSelect?.addEventListener('change', () => {
+        if (suppressedChangeEvents > 0) {
+            return;
+        }
+
+        const selectedValue = tagSelect.value;
+
+        setSelectValue(locationSelect, '');
+        setSelectValue(orgSelect, '');
+
+        applyFilter(
+            !selectedValue
+                ? { type: 'all', value: '' }
+                : { type: 'tag', value: selectedValue.replace('tag-', '') },
+        );
+    });
+
+    locationSelect?.addEventListener('change', () => {
+        if (suppressedChangeEvents > 0) {
+            return;
+        }
+
+        const selectedValue = locationSelect.value;
+
+        setSelectValue(tagSelect, '');
+        setSelectValue(orgSelect, '');
+
+        applyFilter(
+            !selectedValue
+                ? { type: 'all', value: '' }
+                : { type: 'location', value: selectedValue.replace('location-', '') },
+        );
+    });
+
+    orgSelect?.addEventListener('change', () => {
+        if (suppressedChangeEvents > 0) {
+            return;
+        }
+
+        const selectedValue = orgSelect.value;
+
+        setSelectValue(tagSelect, '');
+        setSelectValue(locationSelect, '');
+
+        applyFilter(
+            !selectedValue
+                ? { type: 'all', value: '' }
+                : { type: 'org', value: selectedValue.replace('org-', '') },
+        );
+    });
+
+    resetButton?.addEventListener('click', () => {
+        setSelectValue(tagSelect, '');
+        setSelectValue(locationSelect, '');
+        setSelectValue(orgSelect, '');
+
+        applyFilter({ type: 'all', value: '' });
+    });
+
+    const urlState = readUrlState();
+    const storedState = readStoredState();
+    const initialState = rawValueToFilterState(urlState || storedState);
+
+    applyControlState(initialState);
+    applyFilter(initialState);
+
+    window.addEventListener('popstate', () => {
+        const stateFromUrl = rawValueToFilterState(readUrlState());
+        applyControlState(stateFromUrl);
+        applyFilter(stateFromUrl);
+    });
+</script>

contao/templates/frontend/event_map.html.twig

@@ -0,0 +1,92 @@
+{% set tags = mapOrganizationTags|default([]) %}
+
+<section
+    id="{{ mapFilterWrapperId|e('html_attr') }}"
+    class="eventmanager-map-filter"
+    data-map-filter-wrapper="1"
+    role="region"
+    aria-label="Kartenfilter"
+>
+    <button
+        type="button"
+        class="eventmanager-map-filter__toggle"
+        data-map-filter-toggle="1"
+        aria-expanded="true"
+        aria-controls="{{ mapFilterGroupId|e('html_attr') }}"
+    >
+        Bereiche ausblenden
+    </button>
+
+    <div
+        id="{{ mapFilterGroupId|e('html_attr') }}"
+        class="eventmanager-map-filter__group"
+        role="group"
+        aria-label="Organisationstypen"
+    >
+        {% if tags is iterable and tags|length > 0 %}
+            {% for tag in tags %}
+                <button
+                    type="button"
+                    class="eventmanager-map-filter__tag is-active"
+                    data-map-tag-filter="{{ tag.id|e('html_attr') }}"
+                    aria-pressed="true"
+                >{{ tag.label|e }}</button>
+            {% endfor %}
+        {% endif %}
+        <button
+            type="button"
+            class="eventmanager-map-filter__tag is-active"
+            data-map-event-toggle="1"
+            aria-pressed="true"
+        >Veranstaltungen</button>
+    </div>
+
+    <div class="eventmanager-map-filter__actions">
+        <button type="button" data-map-filter-action="all">Alle auswählen</button>
+        <button type="button" data-map-filter-action="none">Alle abwählen</button>
+        <button type="button" data-map-style-mode="street" aria-pressed="true">Straße</button>
+        <button type="button" data-map-style-mode="satellite" aria-pressed="false">Satellit</button>
+    </div>
+</section>
+
+<div
+    id="{{ mapContainerId|e('html_attr') }}"
+    class="eventmanager-map"
+    data-eventmanager-map="1"
+    data-map-filter-wrapper-id="{{ mapFilterWrapperId|default('')|e('html_attr') }}"
+    data-map-style="{{ mapStyleUrl|e('html_attr') }}"
+    data-map-data-id="{{ mapDataElementId|e('html_attr') }}"
+    data-map-event-color="{{ mapEventColor|default('#BC5067')|e('html_attr') }}"
+    data-map-organization-colors="{{ mapOrganizationColorScheme|default('')|e('html_attr') }}"
+    data-map-center-mode="{{ mapCenterMode|default('markers')|e('html_attr') }}"
+    data-map-center-lat="{{ mapCenterLat|default('')|e('html_attr') }}"
+    data-map-center-lng="{{ mapCenterLng|default('')|e('html_attr') }}"
+    data-map-center-zoom="{{ mapCenterZoom|default(12)|e('html_attr') }}"
+></div>
+
+<style>
+    .eventmanager-map-filter {
+        display: grid;
+        gap: .5rem;
+        margin-bottom: .75rem;
+    }
+
+    .eventmanager-map-filter__group,
+    .eventmanager-map-filter__actions {
+        display: flex;
+        flex-wrap: wrap;
+        gap: .5rem;
+    }
+
+    .eventmanager-map-filter__tag[aria-pressed="true"] {
+        font-weight: 600;
+    }
+
+    .eventmanager-map {
+        width: 100%;
+        min-height: 420px;
+    }
+</style>
+
+<script type="application/json" id="{{ mapDataElementId|e('html_attr') }}">{{ mapItemsJson|raw }}</script>
+<script type="module" src="/bundles/mummertmediaeventmanager/assets/map-module.js"></script>

src/Controller/Frontend/EventFilterController.php

@@ -27,10 +27,12 @@ class EventFilterController extends AbstractFrontendModuleController
     {
         $calendarIds = array_map('intval', StringUtil::deserialize($model->cal_calendar, true));
         $eventIds = $this->findUpcomingEventIds($calendarIds);
+        $targetEventListId = trim((string) ($model->eventListDomId ?? ''));
 
         $template->set('tagButtons', $this->findTagButtons($eventIds));
         $template->set('locations', $this->findLocations($eventIds));
         $template->set('organizations', $this->findOrganizations($eventIds));
+        $template->set('targetEventListId', '' !== $targetEventListId ? $targetEventListId : 'eventlist');
 
         return $template->getResponse();
     }

src/Controller/Frontend/EventMapController.php

@@ -0,0 +1,96 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MummertMedia\EventManagerBundle\Controller\Frontend;
+
+use Contao\CoreBundle\Controller\FrontendModule\AbstractFrontendModuleController;
+use Contao\CoreBundle\DependencyInjection\Attribute\AsFrontendModule;
+use Contao\CoreBundle\Twig\FragmentTemplate;
+use Contao\ModuleModel;
+use MummertMedia\EventManagerBundle\Service\MapModuleDataProvider;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+#[AsFrontendModule(type: 'eventmanager_map', category: 'eventmanager', template: 'frontend/event_map')]
+class EventMapController extends AbstractFrontendModuleController
+{
+    private const MAP_STYLE_URL = 'https://maps.mummert.media/metadaten/world-light.json';
+    private const DEFAULT_CENTER_MODE = 'markers';
+    private const DEFAULT_EVENT_COLOR = '#BC5067';
+
+    public function __construct(
+        private readonly MapModuleDataProvider $mapModuleDataProvider,
+    ) {
+    }
+
+    protected function getResponse(FragmentTemplate $template, ModuleModel $model, Request $request): Response
+    {
+        $containerId = sprintf('eventmanager-map-%d', (int) ($model->id ?? 0));
+        $dataElementId = sprintf('%s-data', $containerId);
+        $filterWrapperId = sprintf('%s-filter', $containerId);
+        $filterGroupId = sprintf('%s-filter-group', $containerId);
+        $showOrganizations = '1' === (string) ($model->mapShowOrganizations ?? '');
+        $showExternalOrganizations = '1' === (string) ($model->mapShowExternalOrganizations ?? '');
+        $showEvents = '1' === (string) ($model->mapShowEvents ?? '');
+        $centerMode = (string) ($model->mapCenterMode ?? self::DEFAULT_CENTER_MODE);
+        $eventColor = $this->normalizeHexColor((string) ($model->mapEventColor ?? self::DEFAULT_EVENT_COLOR));
+        $organizationColorScheme = trim((string) ($model->mapOrganizationColorScheme ?? ''));
+
+        if (!in_array($centerMode, ['markers', 'custom'], true)) {
+            $centerMode = self::DEFAULT_CENTER_MODE;
+        }
+
+        $template->set('mapContainerId', $containerId);
+        $template->set('mapDataElementId', $dataElementId);
+        $template->set('mapFilterWrapperId', $filterWrapperId);
+        $template->set('mapFilterGroupId', $filterGroupId);
+        $template->set('mapStyleUrl', self::MAP_STYLE_URL);
+        $template->set('mapCenterMode', $centerMode);
+        $template->set('mapEventColor', $eventColor);
+        $template->set('mapOrganizationColorScheme', $organizationColorScheme);
+        $template->set('mapCenterLat', trim((string) ($model->mapCenterLat ?? '')));
+        $template->set('mapCenterLng', trim((string) ($model->mapCenterLng ?? '')));
+        $template->set('mapCenterZoom', (int) ($model->mapCenterZoom ?? 12));
+        $template->set('mapItemsJson', json_encode(
+            $this->mapModuleDataProvider->getMapItems($showOrganizations, $showEvents, $showExternalOrganizations),
+            \JSON_HEX_TAG | \JSON_HEX_AMP | \JSON_HEX_APOS | \JSON_HEX_QUOT | \JSON_UNESCAPED_UNICODE | \JSON_THROW_ON_ERROR,
+        ));
+        $template->set('mapOrganizationTags', $this->mapModuleDataProvider->getOrganizationTags());
+
+        return $template->getResponse();
+    }
+
+    private function normalizeHexColor(string $value): string
+    {
+        $normalized = strtoupper(trim($value));
+
+        if (preg_match('/^#[0-9A-F]{6}$/', $normalized)) {
+            return $normalized;
+        }
+
+        if (preg_match('/^[0-9A-F]{6}$/', $normalized)) {
+            return '#'.$normalized;
+        }
+
+        if (preg_match('/^#[0-9A-F]{3}$/', $normalized)) {
+            return sprintf(
+                '#%1$s%1$s%2$s%2$s%3$s%3$s',
+                $normalized[1],
+                $normalized[2],
+                $normalized[3],
+            );
+        }
+
+        if (preg_match('/^[0-9A-F]{3}$/', $normalized)) {
+            return sprintf(
+                '#%1$s%1$s%2$s%2$s%3$s%3$s',
+                $normalized[0],
+                $normalized[1],
+                $normalized[2],
+            );
+        }
+
+        return self::DEFAULT_EVENT_COLOR;
+    }
+}

src/EventListener/OrganizationListingTemplateDataListener.php

@@ -0,0 +1,342 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MummertMedia\EventManagerBundle\EventListener;
+
+use Contao\CoreBundle\DependencyInjection\Attribute\AsHook;
+use Contao\StringUtil;
+use Contao\Template;
+use Doctrine\DBAL\ArrayParameterType;
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\ParameterType;
+use Psr\Log\LoggerInterface;
+
+#[AsHook('parseTemplate', method: 'onParseTemplate')]
+class OrganizationListingTemplateDataListener
+{
+    public function __construct(
+        private readonly Connection $connection,
+        private readonly ?LoggerInterface $logger = null,
+    ) {
+    }
+
+    public function onParseTemplate(Template $template): void
+    {
+        if ('list_default_organisationen' !== (string) $template->getName()) {
+            return;
+        }
+
+        $tbody = $template->tbody;
+
+        if (!\is_array($tbody) || [] === $tbody) {
+            return;
+        }
+
+        $rowToOrganizationIdMap = [];
+
+        foreach ($tbody as $rowIndex => $row) {
+            if (!\is_array($row)) {
+                continue;
+            }
+
+            $organizationId = $this->extractOrganizationId($row);
+
+            if ($organizationId > 0) {
+                $rowToOrganizationIdMap[(int) $rowIndex] = $organizationId;
+            }
+        }
+
+        if ([] === $rowToOrganizationIdMap) {
+            return;
+        }
+
+        $organizationIds = array_values(array_unique(array_values($rowToOrganizationIdMap)));
+        $organizationTagMap = $this->fetchOrganizationTagMap($organizationIds);
+        $organizationLogoMap = $this->fetchOrganizationLogoMap($organizationIds);
+
+        $organizationTagLabelMap = [];
+        $rowTagIdsList = [];
+
+        foreach ($organizationTagMap as $tagData) {
+            foreach (($tagData['ids'] ?? []) as $index => $tagId) {
+                $label = trim((string) (($tagData['labels'][$index] ?? '') ?: ''));
+
+                if ('' !== $tagId && '' !== $label && !isset($organizationTagLabelMap[(string) $tagId])) {
+                    $organizationTagLabelMap[(string) $tagId] = $label;
+                }
+            }
+        }
+
+        foreach ($rowToOrganizationIdMap as $rowIndex => $organizationId) {
+            if (!isset($tbody[$rowIndex]) || !\is_array($tbody[$rowIndex])) {
+                continue;
+            }
+
+            $tagData = $organizationTagMap[$organizationId] ?? ['ids' => [], 'labels' => []];
+            $logoData = $organizationLogoMap[$organizationId] ?? ['uuid' => '', 'isSvg' => false];
+            $logoUuid = (string) ($logoData['uuid'] ?? '');
+            $logoIsSvg = (bool) ($logoData['isSvg'] ?? false);
+            $tagIdsCsv = implode(',', $tagData['ids']);
+            $tagLabelsCsv = implode(', ', $tagData['labels']);
+
+            $tbody[$rowIndex]['tag_ids']['content'] = $tagIdsCsv;
+            $tbody[$rowIndex]['tag_labels']['content'] = $tagLabelsCsv;
+            $tbody[$rowIndex]['tags']['content'] = $tagLabelsCsv;
+
+            if ('' !== $logoUuid) {
+                $tbody[$rowIndex]['logo_uuid']['content'] = $logoUuid;
+                $tbody[$rowIndex]['logo_is_svg']['content'] = $logoIsSvg ? '1' : '';
+            }
+        }
+
+        foreach ($tbody as $rowIndex => $row) {
+            if (!\is_array($row)) {
+                $rowTagIdsList[] = '';
+                continue;
+            }
+
+            $organizationId = $rowToOrganizationIdMap[(int) $rowIndex] ?? 0;
+            $rowTagIdsList[] = ($organizationId > 0 && isset($organizationTagMap[$organizationId]))
+                ? implode(',', $organizationTagMap[$organizationId]['ids'] ?? [])
+                : '';
+        }
+
+        if (null !== $this->logger) {
+            $rowsWithoutTagIds = 0;
+
+            foreach ($rowToOrganizationIdMap as $organizationId) {
+                if (!isset($organizationTagMap[$organizationId]) || [] === ($organizationTagMap[$organizationId]['ids'] ?? [])) {
+                    ++$rowsWithoutTagIds;
+                }
+            }
+
+            if ($rowsWithoutTagIds > 0) {
+                $this->logger->warning('Organization listing enrichment found rows without tag IDs.', [
+                    'template' => (string) $template->getName(),
+                    'totalRows' => \count($tbody),
+                    'mappedRows' => \count($rowToOrganizationIdMap),
+                    'rowsWithoutTagIds' => $rowsWithoutTagIds,
+                ]);
+            }
+        }
+
+        $template->organization_tag_label_map = $organizationTagLabelMap;
+        $template->organization_row_tag_ids_list = $rowTagIdsList;
+
+        $template->tbody = $tbody;
+    }
+
+    /** @param array<string, mixed> $row */
+    private function extractOrganizationId(array $row): int
+    {
+        foreach (['id', 'organization_id', 'org_id'] as $fieldName) {
+            if (isset($row[$fieldName]) && \is_scalar($row[$fieldName]) && ctype_digit((string) $row[$fieldName])) {
+                return (int) $row[$fieldName];
+            }
+
+            $value = $this->extractRowFieldContent($row, $fieldName);
+
+            if ('' !== $value && ctype_digit($value)) {
+                return (int) $value;
+            }
+        }
+
+        foreach ($row as $column) {
+            if (!\is_array($column)) {
+                continue;
+            }
+
+            foreach (['url', 'href'] as $urlField) {
+                if (!isset($column[$urlField]) || !\is_scalar($column[$urlField])) {
+                    continue;
+                }
+
+                $organizationId = $this->extractIdFromUrl((string) $column[$urlField]);
+
+                if ($organizationId > 0) {
+                    return $organizationId;
+                }
+            }
+        }
+
+        return 0;
+    }
+
+    /** @param array<string, mixed> $row */
+    private function extractRowFieldContent(array $row, string $fieldName): string
+    {
+        if (!isset($row[$fieldName])) {
+            return '';
+        }
+
+        if (\is_scalar($row[$fieldName])) {
+            return trim((string) $row[$fieldName]);
+        }
+
+        if (!\is_array($row[$fieldName])) {
+            return '';
+        }
+
+        $field = $row[$fieldName];
+
+        if (!isset($field['content']) || !\is_scalar($field['content'])) {
+            return '';
+        }
+
+        return trim((string) $field['content']);
+    }
+
+    private function extractIdFromUrl(string $url): int
+    {
+        $parts = parse_url($url);
+
+        if (!\is_array($parts) || !isset($parts['query'])) {
+            return 0;
+        }
+
+        parse_str((string) $parts['query'], $query);
+
+        foreach (['show', 'id'] as $queryKey) {
+            if (!isset($query[$queryKey])) {
+                continue;
+            }
+
+            $value = $query[$queryKey];
+
+            if (\is_scalar($value) && ctype_digit((string) $value)) {
+                return (int) $value;
+            }
+        }
+
+        return 0;
+    }
+
+    /** @param list<int> $organizationIds
+     *  @return array<int, array{ids: list<string>, labels: list<string>}>
+     */
+    private function fetchOrganizationTagMap(array $organizationIds): array
+    {
+        if ([] === $organizationIds) {
+            return [];
+        }
+
+        $rows = $this->connection->executeQuery(
+            'SELECT r.pid AS organization_id, r.tag_id, t.tag AS label
+             FROM tl_tags_rel r
+             INNER JOIN tl_tags t ON t.id = r.tag_id
+             WHERE r.ptable = ? AND r.field = ? AND r.pid IN (?)
+             ORDER BY r.pid ASC, r.tag_id ASC',
+            ['tl_organization', 'tags', $organizationIds],
+            [ParameterType::STRING, ParameterType::STRING, ArrayParameterType::INTEGER],
+        )->fetchAllAssociative();
+
+        if ([] === $rows) {
+            $rows = $this->connection->executeQuery(
+                'SELECT r.pid AS organization_id, r.tag_id, t.tag AS label
+                 FROM tl_tags_rel r
+                 INNER JOIN tl_tags t ON t.id = r.tag_id
+                 WHERE r.ptable = ? AND r.pid IN (?)
+                 ORDER BY r.pid ASC, r.tag_id ASC',
+                ['tl_organization', $organizationIds],
+                [ParameterType::STRING, ArrayParameterType::INTEGER],
+            )->fetchAllAssociative();
+        }
+
+        $map = [];
+        $seen = [];
+
+        foreach ($rows as $row) {
+            $organizationId = (int) ($row['organization_id'] ?? 0);
+            $tagId = (int) ($row['tag_id'] ?? 0);
+            $label = trim((string) ($row['label'] ?? ''));
+
+            if ($organizationId <= 0 || $tagId <= 0 || '' === $label || isset($seen[$organizationId][$tagId])) {
+                continue;
+            }
+
+            $seen[$organizationId][$tagId] = true;
+            $map[$organizationId]['ids'][] = (string) $tagId;
+            $map[$organizationId]['labels'][] = $label;
+        }
+
+        foreach ($map as $organizationId => $tagData) {
+            $map[$organizationId]['ids'] = array_values(array_unique($tagData['ids'] ?? []));
+            $map[$organizationId]['labels'] = array_values(array_unique($tagData['labels'] ?? []));
+        }
+
+        return $map;
+    }
+
+    /** @param list<int> $organizationIds
+     *  @return array<int, array{uuid: string, isSvg: bool}>
+     */
+    private function fetchOrganizationLogoMap(array $organizationIds): array
+    {
+        if ([] === $organizationIds) {
+            return [];
+        }
+
+        $rows = $this->connection->executeQuery(
+            'SELECT o.id AS organization_id, o.logo AS logo_uuid, f.extension AS file_extension, f.path AS file_path
+             FROM tl_organization o
+             LEFT JOIN tl_files f ON f.uuid = o.logo
+             WHERE o.id IN (?)',
+            [$organizationIds],
+            [ArrayParameterType::INTEGER],
+        )->fetchAllAssociative();
+
+        $map = [];
+
+        foreach ($rows as $row) {
+            $organizationId = (int) ($row['organization_id'] ?? 0);
+            $logoUuid = $this->normalizeUuid($row['logo_uuid'] ?? null);
+            $extension = strtolower(trim((string) ($row['file_extension'] ?? '')));
+
+            if ('' === $extension && isset($row['file_path']) && \is_scalar($row['file_path'])) {
+                $extension = strtolower((string) pathinfo((string) $row['file_path'], PATHINFO_EXTENSION));
+            }
+
+            $isSvg = 'svg' === $extension;
+
+            if ($organizationId <= 0 || '' === $logoUuid) {
+                continue;
+            }
+
+            $map[$organizationId] = [
+                'uuid' => $logoUuid,
+                'isSvg' => $isSvg,
+            ];
+        }
+
+        return $map;
+    }
+
+    private function normalizeUuid(mixed $value): string
+    {
+        if (null === $value) {
+            return '';
+        }
+
+        if (\is_resource($value)) {
+            $value = stream_get_contents($value) ?: '';
+        }
+
+        $trimmed = trim((string) $value);
+
+        if ('' === $trimmed) {
+            return '';
+        }
+
+        if (preg_match('/^[0-9a-fA-F-]{36}$/', $trimmed)) {
+            return strtolower($trimmed);
+        }
+
+        if (16 === strlen($trimmed)) {
+            return StringUtil::binToUuid($trimmed);
+        }
+
+        return '';
+    }
+
+}

src/Service/MapModuleDataProvider.php

@@ -0,0 +1,516 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MummertMedia\EventManagerBundle\Service;
+
+use Contao\Config;
+use Contao\Date;
+use Doctrine\DBAL\ArrayParameterType;
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\ParameterType;
+use Doctrine\DBAL\Query\QueryBuilder;
+
+class MapModuleDataProvider
+{
+    /**
+     * @var array<string,array<string,true>>
+     */
+    private array $tableColumns = [];
+
+    public function __construct(
+        private readonly Connection $connection,
+    ) {
+    }
+
+    /**
+        * @return list<array{type:string,markerType:string,id:int,title:string,latitude:float,longitude:float,extra:array<string,mixed>}>
+     */
+    public function getMapItems(bool $includeOrganizations = true, bool $includeEvents = true, bool $includeExternalOrganizations = false): array
+    {
+        if (!$includeOrganizations && !$includeEvents) {
+            return [];
+        }
+
+        $locationTable = $this->resolveExistingTable(['tl_location']);
+        $organizationTable = $this->resolveExistingTable(['tl_organization', 'tl_organisation']);
+        $locationGeoColumns = null !== $locationTable ? $this->resolveGeoColumns($locationTable) : null;
+
+        if (null === $locationTable || null === $locationGeoColumns) {
+            return [];
+        }
+
+        $items = [];
+        $seen = [];
+        $organizationRows = $includeOrganizations
+            ? $this->fetchOrganizationRows($organizationTable, $locationTable, $locationGeoColumns, $includeExternalOrganizations)
+            : [];
+        $organizationTagMap = $this->fetchOrganizationTagMap(array_values(array_unique(array_map(
+            static fn (array $row): int => (int) ($row['id'] ?? 0),
+            $organizationRows,
+        ))));
+
+        if ($includeOrganizations) {
+            foreach ($organizationRows as $row) {
+                $id = (int) ($row['id'] ?? 0);
+
+                if ($id <= 0 || isset($seen['organisation'][$id])) {
+                    continue;
+                }
+
+                $locationId = (int) ($row['location_id'] ?? 0);
+
+                if ($locationId > 0) {
+                    $coords = $this->extractCoordinates($row['location_latitude'] ?? null, $row['location_longitude'] ?? null);
+
+                    if (null === $coords) {
+                        continue;
+                    }
+                } else {
+                    $coords = $this->extractCoordinates($row['latitude'] ?? null, $row['longitude'] ?? null);
+                }
+
+                if (null === $coords) {
+                    continue;
+                }
+
+                $seen['organisation'][$id] = true;
+                $tagData = $organizationTagMap[$id] ?? ['ids' => [], 'labels' => []];
+                $items[] = [
+                    'type' => 'organisation',
+                    'markerType' => $this->buildOrganizationMarkerType($tagData['ids']),
+                    'id' => $id,
+                    'title' => trim((string) ($row['title'] ?? '')),
+                    'latitude' => $coords['latitude'],
+                    'longitude' => $coords['longitude'],
+                    'extra' => [
+                        'organizationTagIds' => $tagData['ids'],
+                        'organizationTagLabels' => $tagData['labels'],
+                    ],
+                ];
+            }
+        }
+
+        if ($includeEvents) {
+            foreach ($this->fetchLocationRows($locationTable, $locationGeoColumns) as $row) {
+                $id = (int) ($row['id'] ?? 0);
+
+                if ($id <= 0 || isset($seen['location'][$id])) {
+                    continue;
+                }
+
+                $coords = $this->extractCoordinates($row['latitude'] ?? null, $row['longitude'] ?? null);
+
+                if (null === $coords) {
+                    continue;
+                }
+
+                $seen['location'][$id] = true;
+                $items[] = [
+                    'type' => 'location',
+                    'markerType' => 'location',
+                    'id' => $id,
+                    'title' => trim((string) ($row['title'] ?? '')),
+                    'latitude' => $coords['latitude'],
+                    'longitude' => $coords['longitude'],
+                    'extra' => [],
+                ];
+            }
+
+            foreach ($this->fetchEventRows($locationTable, $locationGeoColumns) as $row) {
+                $id = (int) ($row['event_id'] ?? 0);
+
+                if ($id <= 0 || isset($seen['event'][$id])) {
+                    continue;
+                }
+
+                $coords = $this->extractCoordinates($row['latitude'] ?? null, $row['longitude'] ?? null);
+
+                if (null === $coords) {
+                    continue;
+                }
+
+                $seen['event'][$id] = true;
+                $items[] = [
+                    'type' => 'event',
+                    'markerType' => 'event',
+                    'id' => $id,
+                    'title' => trim((string) ($row['event_title'] ?? '')),
+                    'latitude' => $coords['latitude'],
+                    'longitude' => $coords['longitude'],
+                    'extra' => [
+                        'locationTitle' => trim((string) ($row['location_title'] ?? '')),
+                        'startDate' => $this->formatStartDate((int) ($row['startDate'] ?? 0)),
+                    ],
+                ];
+            }
+        }
+
+        return $items;
+    }
+
+    /**
+     * @return list<array{id:int,label:string}>
+     */
+    public function getOrganizationTags(): array
+    {
+        if (!$this->tableExists('tl_tags')) {
+            return [];
+        }
+
+        $columns = $this->getColumnMap('tl_tags');
+        $labelColumn = isset($columns['title']) ? 'title' : (isset($columns['tag']) ? 'tag' : null);
+
+        if (null === $labelColumn) {
+            return [];
+        }
+
+        $qb = $this->connection->createQueryBuilder();
+        $qb
+            ->select('t.id', sprintf('t.%s AS label', $labelColumn))
+            ->from('tl_tags', 't')
+            ->orderBy(sprintf('t.%s', $labelColumn), 'ASC');
+
+        if (isset($columns['invisible'])) {
+            $qb->andWhere("(t.invisible IS NULL OR t.invisible = '' OR t.invisible = '0')");
+        }
+
+        $rows = $qb->executeQuery()->fetchAllAssociative();
+        $tags = [];
+        $seen = [];
+
+        foreach ($rows as $row) {
+            $id = (int) ($row['id'] ?? 0);
+            $label = trim((string) ($row['label'] ?? ''));
+
+            if ($id <= 0 || '' === $label || isset($seen[$id])) {
+                continue;
+            }
+
+            $seen[$id] = true;
+            $tags[] = [
+                'id' => $id,
+                'label' => $label,
+            ];
+        }
+
+        return $tags;
+    }
+
+    /**
+     * @param list<int> $organizationIds
+     * @return array<int, array{ids: list<string>, labels: list<string>}>
+     */
+    private function fetchOrganizationTagMap(array $organizationIds): array
+    {
+        $organizationIds = array_values(array_unique(array_filter($organizationIds, static fn (int $id): bool => $id > 0)));
+
+        if ([] === $organizationIds || !$this->tableExists('tl_tags_rel') || !$this->tableExists('tl_tags')) {
+            return [];
+        }
+
+        $rows = $this->connection->executeQuery(
+            'SELECT r.pid AS organization_id, r.tag_id, t.tag AS label
+             FROM tl_tags_rel r
+             INNER JOIN tl_tags t ON t.id = r.tag_id
+             WHERE r.ptable = ? AND r.field = ? AND r.pid IN (?)
+             ORDER BY r.pid ASC, r.tag_id ASC',
+            ['tl_organization', 'tags', $organizationIds],
+            [ParameterType::STRING, ParameterType::STRING, ArrayParameterType::INTEGER],
+        )->fetchAllAssociative();
+
+        if ([] === $rows) {
+            $rows = $this->connection->executeQuery(
+                'SELECT r.pid AS organization_id, r.tag_id, t.tag AS label
+                 FROM tl_tags_rel r
+                 INNER JOIN tl_tags t ON t.id = r.tag_id
+                 WHERE r.ptable = ? AND r.pid IN (?)
+                 ORDER BY r.pid ASC, r.tag_id ASC',
+                ['tl_organization', $organizationIds],
+                [ParameterType::STRING, ArrayParameterType::INTEGER],
+            )->fetchAllAssociative();
+        }
+
+        $map = [];
+        $seen = [];
+
+        foreach ($rows as $row) {
+            $organizationId = (int) ($row['organization_id'] ?? 0);
+            $tagId = (int) ($row['tag_id'] ?? 0);
+            $label = trim((string) ($row['label'] ?? ''));
+
+            if ($organizationId <= 0 || $tagId <= 0 || '' === $label || isset($seen[$organizationId][$tagId])) {
+                continue;
+            }
+
+            $seen[$organizationId][$tagId] = true;
+            $map[$organizationId]['ids'][] = (string) $tagId;
+            $map[$organizationId]['labels'][] = $label;
+        }
+
+        foreach ($map as $organizationId => $tagData) {
+            $map[$organizationId]['ids'] = array_values(array_unique($tagData['ids'] ?? []));
+            $map[$organizationId]['labels'] = array_values(array_unique($tagData['labels'] ?? []));
+        }
+
+        return $map;
+    }
+
+    /**
+     * @param list<string> $tagIds
+     */
+    private function buildOrganizationMarkerType(array $tagIds): string
+    {
+        $firstTagId = (string) ($tagIds[0] ?? '');
+
+        if ('' !== $firstTagId && ctype_digit($firstTagId) && (int) $firstTagId > 0) {
+            return sprintf('organisation-tag-%d', (int) $firstTagId);
+        }
+
+        return 'organisation';
+    }
+
+    /**
+     * @return list<array<string,mixed>>
+     */
+    private function fetchOrganizationRows(?string $table, string $locationTable, array $locationGeoColumns, bool $includeExternalOrganizations): array
+    {
+        if (null === $table) {
+            return [];
+        }
+
+        $organizationGeoColumns = $this->resolveGeoColumns($table);
+        $organizationColumns = $this->getColumnMap($table);
+        $hasLocationReference = isset($organizationColumns['location_id']);
+
+        if (null === $organizationGeoColumns && !$hasLocationReference) {
+            return [];
+        }
+
+        $qb = $this->connection->createQueryBuilder();
+        $qb
+            ->select('o.id', 'o.title')
+            ->from($table, 'o')
+            ->orderBy('o.id', 'ASC');
+
+        if (null !== $organizationGeoColumns) {
+            $qb
+                ->addSelect(sprintf('o.%s AS latitude', $organizationGeoColumns['latitude']))
+                ->addSelect(sprintf('o.%s AS longitude', $organizationGeoColumns['longitude']));
+        }
+
+        if ($hasLocationReference) {
+            $qb
+                ->addSelect('o.location_id')
+                ->leftJoin('o', $locationTable, 'ol', 'ol.id = o.location_id')
+                ->addSelect(sprintf('ol.%s AS location_latitude', $locationGeoColumns['latitude']))
+                ->addSelect(sprintf('ol.%s AS location_longitude', $locationGeoColumns['longitude']));
+
+            $this->applyPublicationConstraints($qb, 'ol', $locationTable);
+        }
+
+        if (!$includeExternalOrganizations && isset($organizationColumns['isexternal'])) {
+            $qb->andWhere("(o.isExternal IS NULL OR o.isExternal = '' OR o.isExternal = '0')");
+        }
+
+        $this->applyPublicationConstraints($qb, 'o', $table);
+
+        return $qb->executeQuery()->fetchAllAssociative();
+    }
+
+    /**
+     * @return list<array<string,mixed>>
+     */
+    private function fetchLocationRows(string $locationTable, array $locationGeoColumns): array
+    {
+        $qb = $this->connection->createQueryBuilder();
+        $qb
+            ->select('l.id', 'l.title')
+            ->addSelect(sprintf('l.%s AS latitude', $locationGeoColumns['latitude']))
+            ->addSelect(sprintf('l.%s AS longitude', $locationGeoColumns['longitude']))
+            ->from($locationTable, 'l')
+            ->orderBy('l.id', 'ASC');
+
+        $this->applyPublicationConstraints($qb, 'l', $locationTable);
+
+        return $qb->executeQuery()->fetchAllAssociative();
+    }
+
+    /**
+     * @return list<array<string,mixed>>
+     */
+    private function fetchEventRows(string $locationTable, array $locationGeoColumns): array
+    {
+        if (!$this->tableExists('tl_calendar_events')) {
+            return [];
+        }
+
+        $eventColumns = $this->getColumnMap('tl_calendar_events');
+        $today = strtotime('today');
+
+        $qb = $this->connection->createQueryBuilder();
+        $qb
+            ->select(
+                'e.id AS event_id',
+                'e.title AS event_title',
+                'e.startDate',
+                'l.title AS location_title',
+                sprintf('l.%s AS latitude', $locationGeoColumns['latitude']),
+                sprintf('l.%s AS longitude', $locationGeoColumns['longitude'])
+            )
+            ->from('tl_calendar_events', 'e')
+            ->innerJoin('e', $locationTable, 'l', 'l.id = e.location_id')
+            ->andWhere('e.location_id > 0')
+            ->orderBy('e.id', 'ASC');
+
+        if (isset($eventColumns['startdate'])) {
+            $qb
+                ->andWhere('e.startDate >= :event_start_date_from')
+                ->setParameter('event_start_date_from', $today);
+        }
+
+        $this->applyPublicationConstraints($qb, 'e', 'tl_calendar_events');
+        $this->applyPublicationConstraints($qb, 'l', $locationTable);
+
+        return $qb->executeQuery()->fetchAllAssociative();
+    }
+
+    private function applyPublicationConstraints(QueryBuilder $qb, string $alias, string $table): void
+    {
+        $columns = $this->getColumnMap($table);
+        $now = time();
+
+        if (isset($columns['published'])) {
+            $qb
+                ->andWhere(sprintf('%s.published = :%s_published', $alias, $alias))
+                ->setParameter(sprintf('%s_published', $alias), '1');
+        }
+
+        if (isset($columns['start'])) {
+            $qb
+                ->andWhere(sprintf('(%1$s.start IS NULL OR %1$s.start = 0 OR %1$s.start <= :%1$s_start_now)', $alias))
+                ->setParameter(sprintf('%s_start_now', $alias), $now);
+        }
+
+        if (isset($columns['stop'])) {
+            $qb
+                ->andWhere(sprintf('(%1$s.stop IS NULL OR %1$s.stop = 0 OR %1$s.stop > :%1$s_stop_now)', $alias))
+                ->setParameter(sprintf('%s_stop_now', $alias), $now);
+        }
+    }
+
+    /**
+     * @return array{latitude:float,longitude:float}|null
+     */
+    private function extractCoordinates(mixed $latitude, mixed $longitude): ?array
+    {
+        if (null === $latitude || null === $longitude) {
+            return null;
+        }
+
+        $lat = trim(str_replace(',', '.', (string) $latitude));
+        $lng = trim(str_replace(',', '.', (string) $longitude));
+
+        if ('' === $lat || '' === $lng || !is_numeric($lat) || !is_numeric($lng)) {
+            return null;
+        }
+
+        $latitudeFloat = (float) $lat;
+        $longitudeFloat = (float) $lng;
+
+        if (
+            ($latitudeFloat < -90.0 || $latitudeFloat > 90.0)
+            || ($longitudeFloat < -180.0 || $longitudeFloat > 180.0)
+            || (0.0 === $latitudeFloat && 0.0 === $longitudeFloat)
+        ) {
+            return null;
+        }
+
+        return [
+            'latitude' => $latitudeFloat,
+            'longitude' => $longitudeFloat,
+        ];
+    }
+
+    private function formatStartDate(int $timestamp): string
+    {
+        if ($timestamp <= 0) {
+            return '';
+        }
+
+        $format = (string) Config::get('dateFormat');
+
+        return Date::parse('' !== $format ? $format : 'd.m.Y', $timestamp);
+    }
+
+    /**
+     * @param list<string> $candidates
+     */
+    private function resolveExistingTable(array $candidates): ?string
+    {
+        foreach ($candidates as $candidate) {
+            if ($this->tableExists($candidate)) {
+                return $candidate;
+            }
+        }
+
+        return null;
+    }
+
+    /**
+     * @return array{latitude:string,longitude:string}|null
+     */
+    private function resolveGeoColumns(string $table): ?array
+    {
+        $columns = $this->getColumnMap($table);
+
+        if (isset($columns['latitude'], $columns['longitude'])) {
+            return [
+                'latitude' => 'latitude',
+                'longitude' => 'longitude',
+            ];
+        }
+
+        if (isset($columns['lat'], $columns['lng'])) {
+            return [
+                'latitude' => 'lat',
+                'longitude' => 'lng',
+            ];
+        }
+
+        return null;
+    }
+
+    private function tableExists(string $table): bool
+    {
+        try {
+            return $this->connection->createSchemaManager()->tablesExist([$table]);
+        } catch (\Throwable) {
+            return false;
+        }
+    }
+
+    /**
+     * @return array<string,true>
+     */
+    private function getColumnMap(string $table): array
+    {
+        if (isset($this->tableColumns[$table])) {
+            return $this->tableColumns[$table];
+        }
+
+        $columns = [];
+
+        try {
+            foreach ($this->connection->createSchemaManager()->listTableColumns($table) as $name => $column) {
+                $columns[strtolower((string) $name)] = true;
+            }
+        } catch (\Throwable) {
+            $columns = [];
+        }
+
+        $this->tableColumns[$table] = $columns;
+
+        return $columns;
+    }
+}