var $copyright = '&copy; <a href="http://www.openstreetmap.org" target="_blank">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/" target="_blank">CC BY-SA</a>';

var $tileServer = 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png';

var $maxZoom = 18;

var $cdnUsage = 0;

var $detectRetina = true;

var $dragging = true;

var $touchZoom = true;

var $scrollWheelZoom = true;

var $doubleClickZoom = true;

var $boxZoom = true;

var $tap = true;

var $tapTolerance = 15;

var $trackResize = true;

var $worldCopyJump = false;

var $closePopupOnClick = true;

var $bounceAtZoomLimits = true;

var $version = '@leaflet-version@';

function __construct(&$subject, $config) {

parent::__construct ( $subject, $config );

}

function onContentPrepare($context, &$row, &$params, $limitstart = 0) {

// fast fail

$app = JFactory::getApplication ();

if ($app->isAdmin () || (JString::strpos ( $row->text, '{osm' ) === false && JString::strpos ( $row->text, 'osm-map' ) === false)) {

return true;

}

// old

$regexOld = '/\{osm\s+(.*?)\}/i';

// find all instances of plugin and put in $matches

preg_match_all ( $regexOld, $row->text, $matches, PREG_PATTERN_ORDER );

// Number of plugins

$countOld = count ( $matches [1] );

// new

$regexNew = "/class\s*=\s*[\"']?[^\"']*osm-map[\"'\s>]/i";

$resultNew = preg_match_all ( $regexNew, $row->text );

// plugin only processes if there are any instances of the plugin in the text

if ($countOld || $resultNew) {

$this->_addConfig ();

$this->_addLeafletScripts ();

// old

for($i = 0; $i < $countOld; $i ++) {

$row->text = str_replace ( $matches [0] [$i], $this->_getReplacmentOld ( $matches [1] [$i] ), $row->text );

}

// new

if ($resultNew) {

$document = JFactory::getDocument ();

$document->addScript ( 'plugins/content/Osm_akuechler/js/Osm_akuechler.min.js' );

$document->addStyleSheet ( 'plugins/content/Osm_akuechler/css/Osm_akuechler.min.css' );

}

}

return true;

}

function _addLeafletScripts() {

$document = JFactory::getDocument ();

if ($this->params->get ( 'cdn-usage', $this->cdnUsage ) == 1) {

$document->addStyleSheet ( 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/' . $this->version . '/leaflet.css' );

$document->addScript ( 'https://cdnjs.cloudflare.com/ajax/libs/leaflet/' . $this->version . '/leaflet.js' );

} else if ($this->params->get ( 'cdn-usage', $this->cdnUsage ) == 2) {

$document->addStyleSheet ( 'https://cdn.jsdelivr.net/npm/leaflet@' . $this->version . '/dist/leaflet.css' );

$document->addScript ( 'https://cdn.jsdelivr.net/npm/leaflet@' . $this->version . '/dist/leaflet.js' );

} else if ($this->params->get ( 'cdn-usage', $this->cdnUsage ) == 3) {

$document->addStyleSheet ( 'https://unpkg.com/leaflet@' . $this->version . '/dist/leaflet.css' );

$document->addScript ( 'https://unpkg.com/leaflet@' . $this->version . '/dist/leaflet.js' );

} else {

$document->addStyleSheet ( 'plugins/content/Osm_akuechler/leaflet/leaflet.css' );

$document->addScript ( 'plugins/content/Osm_akuechler/leaflet/leaflet.js' );

}

}

function _addConfig() {

$document = JFactory::getDocument ();

$copyright = $this->params->get ( 'copyright', $this->copyright );

$server = $this->params->get ( 'url', $this->tileServer );

$maxZoom = $this->params->get ( 'maxZoom', $this->maxZoom );

$detectRetina = $this->params->get ( 'detect-retina', $this->detectRetina );

//

$dragging = $this->params->get ( 'dragging', $this->dragging );

$touchZoom = $this->params->get ( 'touchZoom', $this->touchZoom );

$scrollWheelZoom = $this->params->get ( 'scrollWheelZoom', $this->scrollWheelZoom );

$doubleClickZoom = $this->params->get ( 'doubleClickZoom', $this->doubleClickZoom );

$boxZoom = $this->params->get ( 'boxZoom', $this->boxZoom );

$tap = $this->params->get ( 'tap', $this->tap );

$tapTolerance = $this->params->get ( 'tapTolerance', $this->tapTolerance );

$trackResize = $this->params->get ( 'trackResize', $this->trackResize );

$worldCopyJump = $this->params->get ( 'worldCopyJump', $this->worldCopyJump );

$closePopupOnClick = $this->params->get ( 'closePopupOnClick', $this->closePopupOnClick );

$bounceAtZoomLimits = $this->params->get ( 'bounceAtZoomLimits', $this->bounceAtZoomLimits );

$document->addScriptDeclaration ( "\n\n// start map config\nvar osmAKuechlerConfig = {\"server\": \"$server\", \"mapConfig\": {\"dragging\": $dragging, \"touchZoom\": $touchZoom, \"scrollWheelZoom\": $scrollWheelZoom, \"doubleClickZoom\": $doubleClickZoom, \"boxZoom\": $boxZoom, \"tap\": $tap, \"tapTolerance\": $tapTolerance,\" trackResize\": $trackResize, \"worldCopyJump\": $worldCopyJump, \"closePopupOnClick\": $closePopupOnClick, \"bounceAtZoomLimits\": $bounceAtZoomLimits}, \"tileConfig\": {\"maxZoom\": $maxZoom, \"attribution\": " . json_encode ( $copyright, JSON_HEX_QUOT ) . ", \"detectRetina\": $detectRetina}};\n// end map config\n\n" );

}

function _getReplacmentOld(&$match) {

$document = JFactory::getDocument ();

$zoom = $this->_getVariableOld ( 'zoom', $match );

$height = $this->_getVariableOld ( 'height', $match );

$lat = $this->_getVariableOld ( 'lat', $match );

$lon = $this->_getVariableOld ( 'lon', $match );

$popup = $this->_getVariableOld ( 'popup', $match );

$uuid = uniqid ( '', false );

$j = "\n";

$r = "\n";

$r .= "<div id='map$uuid' style='height:${height}px'></div>\n";

$j .= "// start map $uuid\n";

$j .= "jQuery(document).ready(function() {\n";

$j .= "var map$uuid = new L.Map('map$uuid', osmAKuechlerConfig.mapConfig);\n";

$j .= "map$uuid.attributionControl.setPrefix('');\n";

$j .= "var baselayer$uuid = new L.TileLayer(osmAKuechlerConfig.server, osmAKuechlerConfig.tileConfig);\n";

$j .= "var koord$uuid = new L.LatLng($lat, $lon);\n";

$j .= "var marker$uuid = new L.Marker(koord$uuid);\n";

$j .= "map$uuid.addLayer(marker$uuid);\n";

$j .= "map$uuid.setView(koord$uuid, $zoom).addLayer(baselayer$uuid);\n";

$j .= "marker$uuid.bindPopup('$popup');\n";

$j .= "});\n";

$j .= "// end map $uuid\n";

$document->addScriptDeclaration ( $j );

return $r;

}

function _getVariableOld($name, &$match) {

$regex = '/' . $name . '=(?:\'(.+?)\'|([^\s]+))/i';

preg_match ( $regex, $match, $matches );

return (isset ( $matches [1] ) ? $matches [1] : '') . (isset ( $matches [2] ) ? $matches [2] : '');

}