public function link($options = array())
{
$model = OntoWiki::getInstance()->selectedModel;
$titleHelper = new OntoWiki_Model_TitleHelper($model);
// check for options and assign local vars or null
$uri = isset($options['uri']) ? (string) $options['uri'] : null;
$literal = isset($options['literal']) ? $options['literal'] : null;
$text = isset($options['text']) ? $options['text'] : null;
$property = isset($options['property']) ? $options['property'] : null;
$class = isset($options['class']) ? ' class="' . $options['class'] . '"' : '';
$prefix = isset($options['prefix']) ? $options['prefix'] : '';
$suffix = isset($options['suffix']) ? $options['suffix'] : '';
$iprefix = isset($options['iprefix']) ? $options['iprefix'] : '';
$isuffix = isset($options['isuffix']) ? $options['isuffix'] : '';
$direct = isset($options['direct']) ? true : false;
// resolve short forms (overwrite full name values with short forms values)
$uri = isset($options['r']) ? (string) $options['r'] : $uri;
$literal = isset($options['l']) ? $options['l'] : $literal;
$text = isset($options['t']) ? $options['t'] : $text;
$property = isset($options['p']) ? $options['p'] : $property;
// if an uri is given, we do not need to search for
if (isset($uri)) {
// resolve qnames and check uri input
$uri = Erfurt_Uri::getFromQnameOrUri((string) $uri, $model);
} else {
// if no uri is given, we need to search by using the literal
if (!isset($literal)) {
throw new Exception('The link helper needs at least one parameter literal or uri');
}
// if a property is given, use <properyuri> instead of a variable part in the query
$property = $property ? '<' . Erfurt_Uri::getFromQnameOrUri($property, $model) . '>' : '?property';
// build the query including PREFIX declarations
$query = '';
foreach ($model->getNamespaces() as $ns => $nsprefix) {
$query .= 'PREFIX ' . $nsprefix . ': <' . $ns . '>' . PHP_EOL;
}
$query .= 'SELECT DISTINCT ?resourceUri WHERE {?resourceUri ' . $property . ' ?literal
FILTER (!isBLANK(?resourceUri))
FILTER (REGEX(?literal, "^' . $literal . '$", "i"))
} LIMIT 1';
$result = $model->sparqlQuery($query);
if (!$result) {
// resource not found, so return plain literal or given text
return isset($text) ? $text : $literal;
} else {
$uri = $result[0]['resourceUri'];
}
}
// generate the link URL from the resource URI
if ($direct == true) {
$url = $uri;
} else {
$url = new OntoWiki_Url(array('route' => 'properties'), array('r'));
$url->setParam('r', $uri, true);
$url = (string) $url;
}
// link text comes from title helper or option
$text = isset($text) ? $text : $titleHelper->getTitle($uri);
return "{$prefix}<a{$class} href='{$url}'>{$iprefix}{$text}{$isuffix}</a>{$suffix}";
}
public function table($options = array())
{
$model = OntoWiki::getInstance()->selectedModel;
$titleHelper = new OntoWiki_Model_TitleHelper($model);
// check for options and assign local vars or default values
$class = isset($options['class']) ? $options['class'] : '';
$id = isset($options['id']) ? $options['id'] : '';
$tag = isset($options['tag']) ? $options['tag'] : 'span';
$prefix = isset($options['prefix']) ? $options['prefix'] : '';
$suffix = isset($options['suffix']) ? $options['suffix'] : '';
$iprefix = isset($options['iprefix']) ? $options['iprefix'] : '';
$isuffix = isset($options['isuffix']) ? $options['isuffix'] : '';
// choose, which uri to use: option over helper default over view value
$uri = isset($this->resourceUri) ? $this->resourceUri : null;
$uri = isset($options['selectedResource']) ? (string) $options['selectedResource'] : $uri;
$uri = isset($options['uri']) ? (string) $options['uri'] : $uri;
$uri = Erfurt_Uri::getFromQnameOrUri($uri, $model);
// choose, which properties to use (todo: allow multple properties)
$contentProperties = isset($options['property']) ? array($options['property']) : null;
$contentProperties = !$contentProperties ? $this->contentProperties : $contentProperties;
foreach ($contentProperties as $key => $value) {
try {
$validatedValue = Erfurt_Uri::getFromQnameOrUri($value, $model);
$contentProperties[$key] = $validatedValue;
} catch (Exception $e) {
unset($contentProperties[$key]);
}
}
// create description from resource URI
$resource = new OntoWiki_Resource($uri, $model);
$description = $resource->getDescription();
$description = $description[$uri];
// get the table size
$tableRows = 0;
// the URI of the main content property
$tableColumns = 0;
// the URI of the main content property
foreach ($contentProperties as $contentProperty) {
if (isset($description[$contentProperty . 'Rows'])) {
$tableRows = (int) $description[$contentProperty . 'Rows'][0]['value'];
}
if (isset($description[$contentProperty . 'Columns'])) {
$tableColumns = (int) $description[$contentProperty . 'Columns'][0]['value'];
}
if (null != $tableRows && null != $tableColumns) {
$mainProperty = $contentProperty;
break;
}
}
$content = '';
// filter and render the table
if (0 < $tableRows && 0 < $tableColumns) {
$content .= '<table id=' . $id . '><thead>';
for ($row = 1; $row <= $tableRows; $row++) {
$content .= '<tr id="R' . $row . '">';
for ($column = 1; $column <= $tableColumns; $column++) {
$content .= (1 == $row ? '<th' : '<td') . ' id="R' . $row . 'C' . $column . '">';
$currentMainProperty = $mainProperty . 'R' . $row . 'C' . $column;
unset($firstLiteral);
// search for language tag
foreach ($description[$currentMainProperty] as $literalNumber => $literal) {
$currentLanguage = OntoWiki::getInstance()->getConfig()->languages->locale;
if (isset($literal['lang']) && $currentLanguage == $literal['lang']) {
$firstLiteral = $description[$currentMainProperty][$literalNumber];
break;
}
}
if (!isset($firstLiteral)) {
$firstLiteral = $description[$currentMainProperty][0];
}
$cellContent = $firstLiteral['value'];
// execute the helper markup on the content (after the extensions)
$cellContent = $this->view->executeHelperMarkup($cellContent);
// filter by using available extensions
if (isset($firstLiteral['datatype'])) {
$datatype = $firstLiteral['datatype'];
$cellContent = $this->view->displayLiteralPropertyValue($cellContent, $currentMainProperty, $datatype);
} else {
$cellContent = $this->view->displayLiteralPropertyValue($cellContent, $currentMainProperty);
}
$curie = $this->view->curie($currentMainProperty);
$cellContent = $iprefix . $cellContent . $isuffix;
$content .= "{$prefix}<{$tag} class='{$class}' property='{$curie}'>{$cellContent}</{$tag}>{$suffix}";
$content .= 1 == $row ? '</th>' : '</td>';
}
$content .= '</tr>';
$content .= 1 == $row ? '</thead><tbody>' : '';
}
$content .= '</tbody></table>';
}
return $content;
}
public function img($options = array())
{
$owapp = OntoWiki::getInstance();
$store = $owapp->erfurt->getStore();
$model = $owapp->selectedModel;
$extManager = $owapp->extensionManager;
// check for options and assign local vars or null
$src = isset($options['src']) ? (string) $options['src'] : null;
$class = isset($options['class']) ? ' class="' . $options['class'] . '"' : '';
$alt = isset($options['alt']) ? ' alt="' . $options['alt'] . '"' : '';
$filter = isset($options['filter']) ? $options['filter'] : null;
$prefix = isset($options['prefix']) ? $options['prefix'] : '';
$suffix = isset($options['suffix']) ? $options['suffix'] : '';
$nordfa = isset($options['nordfa']) ? true : false;
// choose, which uri to use: option over helper default over view value
$uri = isset($this->resourceUri) ? $this->resourceUri : null;
$uri = isset($options['selectedResource']) ? (string) $options['selectedResource'] : $uri;
$uri = isset($options['uri']) ? (string) $options['uri'] : $uri;
// in case qname is given, transform to full URI
$uri = Erfurt_Uri::getFromQnameOrUri($uri, $model);
// look for a valid image url somewhere
if ($src == null) {
// choose, which properties to use for lookup (todo: allow multple properties)
$properties = isset($options['property']) ? array($options['property']) : null;
$properties = !$properties ? $this->_properties : $properties;
// validate each given property
foreach ($properties as $key => $value) {
try {
$validatedValue = Erfurt_Uri::getFromQnameOrUri($value, $model);
$properties[$key] = $validatedValue;
} catch (Exception $e) {
// unset invalid properties
unset($properties[$key]);
}
}
// create description from resource URI
$resource = new OntoWiki_Resource($uri, $model);
$description = $resource->getDescription();
$description = $description[$uri];
// select the used property
$imgProperty = null;
foreach ($properties as $property) {
if (isset($description[$property])) {
$imgProperty = $property;
break;
}
}
if ($imgProperty != null) {
//search for language tag
foreach ($description[$imgProperty] as $literalNumber => $literal) {
$currentLanguage = OntoWiki::getInstance()->getConfig()->languages->locale;
if (isset($literal['lang']) && $currentLanguage == $literal['lang']) {
$imgSrc = $description[$imgProperty][$literalNumber]['value'];
break;
}
}
if (!isset($imgSrc)) {
$imgSrc = $description[$imgProperty][0]['value'];
}
} else {
// we do not have an image src
return '';
}
} else {
$imgSrc = $src;
}
// modify the image imgSrc for the IPC extension
// @todo: use an event here
if ($filter && $extManager->isExtensionRegistered('ipc')) {
$ipcSrc = $owapp->config->urlBase . '/ipc/get';
$ipcSrc = $ipcSrc . '?img=' . urlencode($imgSrc) . '&filter=' . urlencode($filter);
$imgSrc = $ipcSrc;
}
// build the image tag for output
$return = $prefix;
$return .= '<img' . $class . $alt;
if ($nordfa == false) {
$return .= !$src ? ' about="' . $this->view->curie($uri) . '"' : '';
$return .= !$src ? ' property="' . $this->view->curie($imgProperty) . '"' : '';
// this property is needed since ipc maybe rewrites the src
$return .= !$src ? ' resource="' . htmlentities($imgSrc) . '"' : '';
if (isset($options['attributes']) && is_array($options['attributes'])) {
foreach ($options['attributes'] as $key => $value) {
$return .= ' ' . $key . '="' . $value . '"';
}
}
}
$return .= ' src="' . htmlentities($imgSrc) . '" />';
$return .= $suffix;
return $return;
}
protected function _selectMainProperty($model, $description, $options)
{
// choose, which properties to use (todo: allow multple properties)
$contentProperties = isset($options['property']) ? array($options['property']) : null;
$contentProperties = !$contentProperties ? $this->contentProperties : $contentProperties;
foreach ($contentProperties as $key => $value) {
try {
$validatedValue = Erfurt_Uri::getFromQnameOrUri($value, $model);
$contentProperties[$key] = $validatedValue;
} catch (Exception $e) {
unset($contentProperties[$key]);
}
}
// select the main property from existing ones
$mainProperty = null;
// the URI of the main content property
foreach ($contentProperties as $contentProperty) {
if (isset($description[$contentProperty])) {
$mainProperty = $contentProperty;
break;
}
}
return $mainProperty;
}
/**
* @expectedException Erfurt_Uri_Exception
*/
public function testGetFromQnameInvalidUri()
{
$model = $this->_getMockedModel();
$input = 'nothing:good';
Erfurt_Uri::getFromQnameOrUri($input, $model);
}
