/**
* Renders and returns the output.
* @see ParserHook::renderTag
*
* @since 3.0
*
* @param array $parameters
*
* @return string
*/
public function render(array $parameters)
{
global $wgLang;
// Check whether parser tag is used in the right namespace context, abort if not
if ($this->parser->getTitle()->getNamespace() !== Maps_NS_LAYER) {
global $wgContLang;
return $this->rawErrorbox(wfMessage('maps-layerdef-wrong-namespace', $wgContLang->getNsText(Maps_NS_LAYER))->inContentLanguage()->text());
}
$type = $parameters['type'];
if ($type === false) {
// no layer type specified
$availableLayerTypes = MapsLayerTypes::getAvailableTypes();
$out = $this->rawErrorbox(wfMessage('maps-error-no-layertype', $wgLang->listToText($availableLayerTypes), count($availableLayerTypes))->inContentLanguage()->text());
} elseif (MapsLayerTypes::hasType($type)) {
// get layer name if any:
$name = $parameters['name'] !== false ? $parameters['name'] : null;
// make sure the layer has a label, if no user data, make something up:
if (empty($parameters['definition']['label'])) {
if ($name !== null) {
$labelSuffix = "- {$name}";
} else {
// label for unnamed layer:
$labelSuffix = '#' . (count($this->getLayerStore()->getLayers(MapsLayerGroup::LAYERS_NUMERIC)) + 1);
}
$parameters['definition']['label'] = $this->parser->getTitle()->getText() . ' ' . $labelSuffix;
}
// new layer from user input (could still be invalid):
$layer = MapsLayers::newLayerFromDefinition($type, $parameters['definition'], $name);
$out = $this->renderLayerInfo($layer);
} else {
// specified layer type is non-existant!
$availableLayerTypes = MapsLayerTypes::getAvailableTypes();
$out = $this->rawErrorbox(wfMessage('maps-error-invalid-layertype', $this->validator->getParameter('type')->getOriginalValue(), $wgLang->listToText($availableLayerTypes), count($availableLayerTypes))->inContentLanguage()->text());
}
// add the layer to the store after all info has been rendered:
$this->addLayerToStore($layer);
return $out;
}
