additional_plugins/serendipity_event_osm/serendipity_event_osm.php

<?php
	if (IN_serendipity !== true) {
		die ("Don't hack!");
	}

	@serendipity_plugin_api::load_language(dirname(__FILE__));

	class serendipity_event_osm extends serendipity_event
	{
		function introspect(&$propbag)
		{
			$propbag->add('name', PLUGIN_EVENT_OSM_NAME);
			$propbag->add('description', PLUGIN_EVENT_OSM_DESCRIPTION);
			$propbag->add('copyright', 'GPL');
			$propbag->add('configuration', array('height', 'latitude', 'longitude', 'zoom'));
			$propbag->add('event_hooks', array('entries_header' => true));
			$propbag->add('author', 'Martin Sewelies');
			$propbag->add('version', '0.1');
			$propbag->add('requirements', array(
				'serendipity' => '2.3'
			));
			$propbag->add('stackable', true);
			$propbag->add('groups', array('FRONTEND_ENTRY_RELATED'));
		}

		function generate_content(&$title)
		{
			$title = PLUGIN_EVENT_OSM_NAME;
		}

		function event_hook($event, &$bag, &$eventData, $addData = null)
		{
			if ($event == 'entries_header') {
				echo '    <div id="map" style="height: '.$this->get_config('height', '463px').'" data-latitude="'.$this->get_config('latitude', 51.48165).'" data-longitude="'.$this->get_config('longitude', 7.21648).'" data-zoom="'.$this->get_config('zoom', 15).'"></div>'.PHP_EOL;
				echo '    <div id="popup" class="ol-popup"></div>'.PHP_EOL;
			}
		}

		function introspect_config_item($name, &$propbag)
		{
			switch($name) {
				case 'height':
					$propbag->add('type',        'string');
					$propbag->add('name',        PLUGIN_EVENT_OSM_HEIGHT);
					$propbag->add('description', PLUGIN_EVENT_OSM_HEIGHT_DESC);
					$propbag->add('default',     '463px');
					break;
				case 'latitude':
					$propbag->add('type',        'string');
					$propbag->add('name',        PLUGIN_EVENT_OSM_LAT);
					$propbag->add('description', PLUGIN_EVENT_OSM_LAT_DESC);
					$propbag->add('default',     '51.48165');
					break;
				case 'longitude':
					$propbag->add('type',        'string');
					$propbag->add('name',        PLUGIN_EVENT_OSM_LONG);
					$propbag->add('description', PLUGIN_EVENT_OSM_LONG_DESC);
					$propbag->add('default',     '7.21648');
					break;
				case 'zoom':
					$propbag->add('type',        'string');
					$propbag->add('name',        PLUGIN_EVENT_OSM_ZOOM);
					$propbag->add('description', PLUGIN_EVENT_OSM_ZOOM_DESC);
					$propbag->add('default',     '15');
					break;
				default:
					return false;
			}
			return true;
		}
	}
?>