/**
* Prepares concept data for exporting in rtf format.
*
* @param Api_Models_Concept $concept
* @param array $fieldsToExport
* @return array The result concept data
*/
protected function _prepareConceptDataForRtf(Api_Models_Concept $concept, $fieldsToExport)
{
$conceptData = array();
$conceptData['previewLabel'] = $this->_constructRtfFieldData('previewLabel', $concept->getPreviewLabel());
$conceptData['fields'] = array();
// Prepares concept schemes titles map
$schemesUris = array();
$schemesFields = Api_Models_Concept::$classes['ConceptSchemes'];
foreach ($schemesFields as $schemeField) {
if (in_array($schemeField, $fieldsToExport) && !empty($concept[$schemeField])) {
$schemesUris = array_merge($schemesUris, $concept[$schemeField]);
}
}
$schemesUris = array_unique($schemesUris);
$schemesTitleMap = $this->_getApiClientInstance()->getConceptSchemeMap('uri', array('dcterms_title' => 0), $schemesUris);
// Prepares related concepts map
$relatedConceptsUris = array();
$relationFields = array_merge(Api_Models_Concept::$classes['SemanticRelations'], Api_Models_Concept::$classes['MappingProperties']);
foreach ($relationFields as $relationField) {
if (in_array($relationField, $fieldsToExport) && !empty($concept[$relationField])) {
$relatedConceptsUris = array_merge($relatedConceptsUris, $concept[$relationField]);
}
}
$relatedConceptsUris = array_unique($relatedConceptsUris);
$relatedConceptsMap = Api_Models_Concepts::factory()->getEnumeratedConceptsMapByUris($relatedConceptsUris);
// Prepare language dependant fields. Remove the orginal field from fields to export and adds each per language field (field@en for example).
$allConceptFields = $concept->getFields();
$fieldsToExportInLanguages = array();
foreach ($allConceptFields as $currentConceptField) {
if (preg_match('/^([^@]+)@([^@]+)$/i', $currentConceptField, $matches) && in_array($matches[1], $fieldsToExport)) {
if (!isset($fieldsToExportInLanguages[$matches[1]])) {
$fieldsToExportInLanguages[$matches[1]] = array();
}
$fieldsToExportInLanguages[$matches[1]][] = $matches[2];
}
}
// Goes trought each export field
foreach ($fieldsToExport as $field) {
if (isset($concept[$field])) {
if (isset($fieldsToExportInLanguages[$field])) {
foreach ($fieldsToExportInLanguages[$field] as $language) {
foreach ($concept[$field . '@' . $language] as $value) {
$conceptData['fields'][] = $this->_constructRtfFieldData($field, $value, $language);
}
}
} else {
if (is_array($concept[$field])) {
foreach ($concept[$field] as $value) {
if (in_array($field, $schemesFields) && isset($schemesTitleMap[$value])) {
$value = $schemesTitleMap[$value];
} else {
if (in_array($field, $relationFields) && isset($relatedConceptsMap[$value])) {
$value = $relatedConceptsMap[$value]->getPreviewLabel();
}
}
$conceptData['fields'][] = $this->_constructRtfFieldData($field, $value);
}
} else {
$conceptData['fields'][] = $this->_constructRtfFieldData($field, $concept[$field]);
}
}
}
}
// Get concept children (narrowers)
if ($this->get('maxDepth') > 1) {
$narrowers = $this->_getRtfNarrowers(new Editor_Models_Concept($concept), 1);
if (!empty($narrowers)) {
$conceptData['narrowers'] = $narrowers;
}
}
return $conceptData;
}
/**
* Compares two Api_Models_Concept classes by their preview labels.
*
* @param Api_Models_Concept $a
* @param Api_Models_Concept $b
*/
public static function compareByPreviewLabel(Api_Models_Concept $a, Api_Models_Concept $b)
{
return strcasecmp($a->getPreviewLabel(), $b->getPreviewLabel());
}