NatLibFi /
Skosmos
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like VocabularyConfig often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use VocabularyConfig, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 6 | class VocabularyConfig extends BaseConfig |
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| 7 | { |
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| 8 | private $plugins; |
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| 9 | private $pluginParameters; |
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| 10 | private $languageOrderCache = array(); |
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| 11 | |||
| 12 | const DEFAULT_PROPERTY_ORDER = array("rdf:type", "dc:isReplacedBy", |
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| 13 | "skos:definition", "skos:broader", "isothes:broaderGeneric", |
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| 14 | "isothes:broaderPartitive", "isothes:broaderInstantial", |
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| 15 | "skos:narrower", "isothes:narrowerGeneric", "isothes:narrowerPartitive", |
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| 16 | "isothes:narrowerInstantial", "skos:related", "skos:altLabel", |
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| 17 | "skos:note", "skos:scopeNote", "skos:historyNote", "rdfs:comment", |
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| 18 | "dc11:source", "dc:source", "skosmos:memberOf", "skosmos:memberOfArray"); |
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| 19 | |||
| 20 | const ISO25964_PROPERTY_ORDER = array("rdf:type", "dc:isReplacedBy", |
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| 21 | // ISO 25964 allows placing all text fields (inc. SN and DEF) together |
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| 22 | // so we will do that, except for HN, which is clearly administrative |
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| 23 | "skos:note", "skos:scopeNote", "skos:definition", "rdfs:comment", |
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| 24 | "dc11:source", "dc:source", "skos:altLabel", "skos:broader", |
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| 25 | "isothes:broaderGeneric", "isothes:broaderPartitive", |
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| 26 | "isothes:broaderInstantial", "skos:narrower", "isothes:narrowerGeneric", |
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| 27 | "isothes:narrowerPartitive", "isothes:narrowerInstantial", |
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| 28 | "skos:related", "skos:historyNote", "skosmos:memberOf", |
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| 29 | "skosmos:memberOfArray"); |
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| 30 | |||
| 31 | public function __construct($resource, $globalPlugins=array()) |
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| 32 | { |
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| 33 | $this->resource = $resource; |
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| 34 | $plugins = $this->resource->allLiterals('skosmos:usePlugin'); |
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| 35 | $pluginArray = array(); |
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| 36 | if ($plugins) { |
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| 37 | foreach ($plugins as $pluginlit) { |
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| 38 | $pluginArray[] = $pluginlit->getValue(); |
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| 39 | } |
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| 40 | } |
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| 41 | $this->plugins = new PluginRegister(array_merge($globalPlugins, $pluginArray)); |
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| 42 | // Get parameterized plugins defined as resources and their respective parameters |
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| 43 | $pluginResources = $this->resource->allResources('skosmos:useParamPlugin'); |
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| 44 | $this->pluginParameters = array(); |
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| 45 | if ($pluginResources) { |
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| 46 | foreach ($pluginResources as $pluginResource) { |
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| 47 | $pluginName = $pluginResource->getLiteral('skosmos:usePlugin')->getValue(); |
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| 48 | $this->pluginParameters[$pluginName] = array(); |
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| 49 | |||
| 50 | $pluginParams = $pluginResource->allResources('skosmos:parameters'); |
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| 51 | foreach ($pluginParams as $parameter) { |
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| 52 | |||
| 53 | $paramLiterals = $parameter->allLiterals('schema:value'); |
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| 54 | foreach ($paramLiterals as $paramLiteral) { |
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| 55 | $paramName = $parameter->getLiteral('schema:propertyID')->getValue(); |
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| 56 | $paramValue = $paramLiteral->getValue(); |
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| 57 | $paramLang = $paramLiteral->getLang(); |
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| 58 | if ($paramLang) { |
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| 59 | $paramName .= '_' . $paramLang; |
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| 60 | } |
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| 61 | $this->pluginParameters[$pluginName][$paramName] = $paramValue; |
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| 62 | } |
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| 63 | } |
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| 64 | $pluginArray[] = $pluginName; |
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| 65 | } |
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| 66 | $this->plugins = new PluginRegister(array_merge($globalPlugins, $pluginArray)); |
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| 67 | } |
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| 68 | |||
| 69 | } |
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| 70 | |||
| 71 | /** |
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| 72 | * Get the default language of this vocabulary |
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| 73 | * @return string default language, e.g. 'en' |
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| 74 | */ |
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| 75 | |||
| 76 | public function getDefaultLanguage() |
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| 77 | { |
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| 78 | $deflang = $this->resource->getLiteral('skosmos:defaultLanguage'); |
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| 79 | if ($deflang) { |
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|
introduced
by
|
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| 80 | return $deflang->getValue(); |
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| 81 | } |
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| 82 | |||
| 83 | $langs = $this->getLanguages(); |
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| 84 | $deflang = reset($langs); // picking the first one from the list with reset since the keys are not numeric |
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| 85 | if (sizeof($langs) > 1) { |
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| 86 | trigger_error("Default language for vocabulary '" . $this->getShortName() . "' unknown, choosing '$deflang'.", E_USER_WARNING); |
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| 87 | } |
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| 88 | |||
| 89 | return $deflang; |
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| 90 | } |
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| 91 | |||
| 92 | /** |
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| 93 | * Whether the alphabetical index is small enough to be shown all at once. |
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| 94 | * @return boolean true if all concepts can be shown at once. |
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| 95 | */ |
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| 96 | public function getAlphabeticalFull() |
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| 97 | { |
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| 98 | return $this->getBoolean('skosmos:fullAlphabeticalIndex'); |
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| 99 | } |
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| 100 | |||
| 101 | /** |
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| 102 | * Returns a short name for a vocabulary if configured. If that has not been set |
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| 103 | * using vocabId as a fallback. |
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| 104 | * @return string |
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| 105 | */ |
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| 106 | public function getShortName() |
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| 107 | { |
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| 108 | $shortname = $this->getLiteral('skosmos:shortName'); |
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| 109 | if ($shortname) |
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| 110 | return $shortname; |
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| 111 | |||
| 112 | // if no shortname exists fall back to the id |
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| 113 | return $this->getId(); |
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| 114 | } |
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| 115 | |||
| 116 | /** |
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| 117 | * Get the vocabulary feedback e-mail address and return it. |
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| 118 | * |
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| 119 | * @return string e-mail address or null if not defined. |
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| 120 | */ |
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| 121 | public function getFeedbackRecipient() |
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| 122 | { |
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| 123 | $email = $this->resource->get('skosmos:feedbackRecipient'); |
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| 124 | return isset($email) ? $email->getValue() : null; |
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| 125 | } |
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| 126 | |||
| 127 | /** |
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| 128 | * Returns the human readable vocabulary title. |
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| 129 | * @return string the title of the vocabulary |
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| 130 | */ |
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| 131 | public function getTitle($lang = null) |
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| 132 | { |
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| 133 | return $this->getLiteral('dc:title', false, $lang); |
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| 134 | } |
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| 135 | |||
| 136 | /** |
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| 137 | * Returns a boolean value set in the config.ttl config. |
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| 138 | * @return boolean |
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| 139 | */ |
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| 140 | public function sortByNotation() |
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| 141 | { |
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| 142 | return $this->getBoolean('skosmos:sortByNotation'); |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * Returns a boolean value set in the config.ttl config. |
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| 147 | * @return boolean |
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| 148 | */ |
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| 149 | public function showChangeList() |
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| 150 | { |
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| 151 | return $this->getBoolean('skosmos:showChangeList'); |
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| 152 | } |
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| 153 | |||
| 154 | /** |
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| 155 | * get the URLs from which the vocabulary data can be downloaded |
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| 156 | * @return array Array with MIME type as key, URL as value |
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| 157 | */ |
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| 158 | public function getDataURLs() |
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| 159 | { |
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| 160 | $ret = array(); |
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| 161 | $urls = $this->resource->allResources("void:dataDump"); |
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| 162 | foreach ($urls as $url) { |
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| 163 | // first try dc:format and dc11:format |
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| 164 | $mimetypelit = $url->getLiteral('dc:format'); |
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| 165 | if ($mimetypelit === null) { |
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| 166 | $mimetypelit = $url->getLiteral('dc11:format'); |
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| 167 | } |
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| 168 | |||
| 169 | if ($mimetypelit !== null) { |
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| 170 | $mimetype = $mimetypelit->getValue(); |
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| 171 | } else { |
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| 172 | $format = EasyRdf\Format::guessFormat(null, $url->getURI()); |
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| 173 | if ($format === null) { |
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| 174 | trigger_error("Could not guess format for <$url>.", E_USER_WARNING); |
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| 175 | continue; |
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| 176 | } |
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| 177 | $mimetypes = array_keys($format->getMimeTypes()); |
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| 178 | $mimetype = $mimetypes[0]; |
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| 179 | } |
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| 180 | |||
| 181 | $langLit = $url->getLiteral('dc:language'); |
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| 182 | |||
| 183 | if ($langLit != null) { |
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| 184 | //when the mimetype has language variants |
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| 185 | $dataUrlLang = $langLit->getValue(); |
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| 186 | |||
| 187 | if (!isset($ret[$mimetype])) { |
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| 188 | $arr = array(); |
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| 189 | } else { |
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| 190 | $arr = $ret[$mimetype]; |
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| 191 | } |
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| 192 | $arr[$dataUrlLang] = $url->getURI(); |
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| 193 | $ret[$mimetype] = $arr; |
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| 194 | } else { |
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| 195 | $ret[$mimetype] = $url->getURI(); |
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| 196 | } |
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| 197 | } |
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| 198 | return $ret; |
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| 199 | } |
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| 200 | |||
| 201 | /** |
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| 202 | * Returns the main Concept Scheme URI of that Vocabulary, |
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| 203 | * or null if not set. |
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| 204 | * @return string concept scheme URI or null |
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| 205 | */ |
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| 206 | |||
| 207 | public function getMainConceptSchemeURI() |
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| 208 | { |
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| 209 | $val = $this->resource->getResource("skosmos:mainConceptScheme"); |
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| 210 | if ($val) { |
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| 211 | return $val->getURI(); |
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| 212 | } |
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| 213 | |||
| 214 | return null; |
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| 215 | } |
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| 216 | |||
| 217 | /** |
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| 218 | * Returns the class URI used for concept groups in this vocabulary, |
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| 219 | * or null if not set. |
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| 220 | * @return string group class URI or null |
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| 221 | */ |
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| 222 | |||
| 223 | public function getGroupClassURI() |
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| 224 | { |
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| 225 | $val = $this->resource->getResource("skosmos:groupClass"); |
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| 226 | if ($val) { |
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| 227 | return $val->getURI(); |
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| 228 | } |
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| 229 | |||
| 230 | return null; |
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| 231 | } |
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| 232 | |||
| 233 | /** |
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| 234 | * Returns the class URI used for thesaurus arrays in this vocabulary, |
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| 235 | * or null if not set. |
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| 236 | * @return string array class URI or null |
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| 237 | */ |
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| 238 | |||
| 239 | public function getArrayClassURI() |
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| 240 | { |
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| 241 | $val = $this->resource->getResource("skosmos:arrayClass"); |
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| 242 | if ($val) { |
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| 243 | return $val->getURI(); |
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| 244 | } |
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| 245 | |||
| 246 | return null; |
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| 247 | } |
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| 248 | |||
| 249 | /** |
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| 250 | * Returns custom properties displayed on the search page if configured. |
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| 251 | * @return array array class URI or null |
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| 252 | */ |
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| 253 | |||
| 254 | public function getAdditionalSearchProperties() |
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| 255 | { |
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| 256 | $resources = $this->resource->allResources("skosmos:showPropertyInSearch"); |
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| 257 | $ret = array(); |
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| 258 | foreach ($resources as $res) { |
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| 259 | $prop = $res->getURI(); |
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| 260 | if (EasyRdf\RdfNamespace::shorten($prop) !== null) // shortening property labels if possible |
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| 261 | { |
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| 262 | $prop = EasyRdf\RdfNamespace::shorten($prop); |
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| 263 | } |
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| 264 | |||
| 265 | $ret[] = $prop; |
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| 266 | } |
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| 267 | return $ret; |
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| 268 | } |
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| 269 | |||
| 270 | /** |
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| 271 | * Queries whether the property should be shown with all the label language variations. |
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| 272 | * @param string $property |
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| 273 | * @return boolean |
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| 274 | */ |
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| 275 | public function hasMultiLingualProperty($property) |
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| 276 | { |
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| 277 | $resources = $this->resource->allResources("skosmos:hasMultiLingualProperty"); |
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| 278 | foreach ($resources as $res) { |
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| 279 | $prop = $res->getURI(); |
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| 280 | if (EasyRdf\RdfNamespace::shorten($prop) !== null) // shortening property labels if possible |
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| 281 | { |
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| 282 | $prop = EasyRdf\RdfNamespace::shorten($prop); |
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| 283 | } |
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| 284 | |||
| 285 | if ($prop === $property) { |
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| 286 | return true; |
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| 287 | } |
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| 288 | |||
| 289 | } |
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| 290 | return false; |
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| 291 | } |
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| 292 | |||
| 293 | /** |
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| 294 | * Returns a boolean value set in the config.ttl config. |
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| 295 | * @return boolean |
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| 296 | */ |
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| 297 | public function getShowHierarchy() |
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| 298 | { |
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| 299 | return $this->getBoolean('skosmos:showTopConcepts'); |
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| 300 | } |
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| 301 | |||
| 302 | /** |
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| 303 | * Returns a boolean value set in the config.ttl config. |
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| 304 | * @return boolean |
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| 305 | */ |
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| 306 | public function showConceptSchemesInHierarchy() |
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| 307 | { |
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| 308 | return $this->getBoolean('skosmos:conceptSchemesInHierarchy'); |
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| 309 | } |
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| 310 | |||
| 311 | /** |
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| 312 | * Returns a boolean value set in the config.ttl config. |
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| 313 | * @return boolean defaults to true if fetching hasn't been explicitly denied. |
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| 314 | */ |
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| 315 | public function getExternalResourcesLoading() |
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| 316 | { |
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| 317 | return $this->getBoolean('skosmos:loadExternalResources', true); |
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| 318 | } |
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| 319 | |||
| 320 | /** |
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| 321 | * Returns a boolean value set in the config.ttl config. |
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| 322 | * @return boolean |
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| 323 | */ |
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| 324 | public function getShowLangCodes() |
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| 325 | { |
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| 326 | return $this->getBoolean('skosmos:explicitLanguageTags'); |
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| 327 | } |
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| 328 | |||
| 329 | /** |
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| 330 | * Returns a boolean value set in the config.ttl config. |
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| 331 | * @return boolean |
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| 332 | */ |
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| 333 | public function searchByNotation() |
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| 334 | { |
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| 335 | return $this->getBoolean('skosmos:searchByNotation'); |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * Returns skosmos:marcSourcecode value set in config.ttl. |
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| 340 | * @return string marcsource name |
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| 341 | */ |
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| 342 | public function getMarcSourceCode($lang = null) |
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| 343 | { |
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| 344 | return $this->getLiteral('skosmos:marcSourceCode', false, $lang); |
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| 345 | } |
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| 346 | |||
| 347 | /** |
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| 348 | * Returns a boolean value set in the config.ttl config. |
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| 349 | * @return array array of concept class URIs (can be empty) |
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| 350 | */ |
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| 351 | public function getIndexClasses() |
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| 352 | { |
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| 353 | return $this->getResources("skosmos:indexShowClass"); |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * Returns skosmos:externalProperty values set in the config.ttl config. |
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| 358 | * @return array array of external property URIs (can be empty) |
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| 359 | */ |
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| 360 | public function getExtProperties() |
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| 361 | { |
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| 362 | return $this->getResources("skosmos:externalProperty"); |
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| 363 | } |
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| 364 | |||
| 365 | /** |
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| 366 | * Get the languages supported by this vocabulary |
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| 367 | * @return array languages supported by this vocabulary (as language tag strings) |
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| 368 | */ |
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| 369 | public function getLanguages() |
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| 370 | { |
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| 371 | $langs = $this->resource->allLiterals('skosmos:language'); |
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| 372 | $ret = array(); |
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| 373 | foreach ($langs as $lang) { |
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| 374 | $langlit = Punic\Language::getName($lang->getValue(), $this->getEnvLang()); |
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| 375 | $ret[$langlit] = $lang->getValue(); |
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| 376 | } |
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| 377 | ksort($ret); |
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| 378 | |||
| 379 | return $ret; |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * Returns the plugin parameters |
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| 384 | * @return string plugin parameters or null |
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| 385 | */ |
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| 386 | public function getPluginParameters() { |
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| 387 | return json_encode($this->pluginParameters, true); |
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| 388 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * Returns the vocabulary default sidebar view. |
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| 392 | * @return string name of the view |
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| 393 | */ |
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| 394 | public function getDefaultSidebarView() |
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| 395 | { |
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| 396 | $defview = $this->resource->getLiteral('skosmos:defaultSidebarView'); |
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| 397 | if ($defview) { |
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| 398 | $value = $defview->getValue(); |
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| 399 | if ($value === 'groups' || $value === 'hierarchy') { |
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| 400 | return $value; |
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| 401 | } |
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| 402 | |||
| 403 | } |
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| 404 | if ($this->showAlphabeticalIndex() === false) { |
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| 405 | if ($this->getShowHierarchy()) { |
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| 406 | return 'hierarchy'; |
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| 407 | } else if ($this->getGroupClassURI()) { |
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| 408 | return 'groups'; |
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| 409 | } |
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| 410 | } |
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| 411 | return 'alphabetical'; // if not defined displaying the alphabetical index |
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| 412 | } |
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| 413 | |||
| 414 | /** |
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| 415 | * Extracts the vocabulary id string from the baseuri of the vocabulary. |
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| 416 | * @return string identifier eg. 'mesh'. |
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| 417 | */ |
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| 418 | public function getId() |
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| 419 | { |
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| 420 | $uriparts = explode("#", $this->resource->getURI()); |
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| 421 | if (count($uriparts) != 1) |
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| 422 | // hash namespace |
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| 423 | { |
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| 424 | return $uriparts[1]; |
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| 425 | } |
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| 426 | |||
| 427 | // slash namespace |
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| 428 | $uriparts = explode("/", $this->resource->getURI()); |
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| 429 | |||
| 430 | return $uriparts[count($uriparts) - 1]; |
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| 431 | } |
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| 432 | |||
| 433 | public function getShowStatistics() { |
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| 434 | return $this->getBoolean('skosmos:showStatistics', true); |
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| 435 | } |
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| 436 | |||
| 437 | public function getPlugins() |
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| 440 | } |
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| 441 | |||
| 442 | /** |
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| 443 | * Returns the property/properties used for visualizing concept hierarchies. |
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| 444 | * @return array array class URI or null |
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| 445 | */ |
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| 446 | |||
| 447 | public function getHierarchyProperty() |
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| 448 | { |
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| 449 | $resources = $this->resource->allResources("skosmos:hierarchyProperty"); |
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| 450 | $ret = array(); |
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| 451 | foreach ($resources as $res) { |
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| 452 | $prop = $res->getURI(); |
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| 453 | if (EasyRdf\RdfNamespace::shorten($prop) !== null) // prefixing if possible |
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| 454 | { |
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| 455 | $prop = EasyRdf\RdfNamespace::shorten($prop); |
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| 456 | } |
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| 457 | |||
| 458 | $ret[] = $prop; |
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| 459 | } |
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| 460 | return empty($ret) ? array('skos:broader') : $ret; |
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| 461 | } |
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| 462 | |||
| 463 | /** |
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| 464 | * Returns a boolean value set in the config.ttl config. |
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| 465 | * @return boolean |
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| 466 | */ |
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| 467 | public function showNotation() |
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| 468 | { |
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| 469 | return $this->getBoolean('skosmos:showNotation', true); |
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| 470 | } |
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| 471 | |||
| 472 | /** |
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| 473 | * Returns a boolean value set in the config.ttl config. |
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| 474 | * @return boolean |
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| 475 | */ |
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| 476 | public function showAlphabeticalIndex() |
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| 477 | { |
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| 478 | return $this->getBoolean('skosmos:showAlphabeticalIndex', true); |
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| 479 | } |
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| 480 | |||
| 481 | /** |
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| 482 | * Returns the alphabetical list qualifier in this vocabulary, |
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| 483 | * or null if not set. |
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| 484 | * @return EasyRdf\Resource|null alphabetical list qualifier resource or null |
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| 485 | */ |
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| 486 | public function getAlphabeticalListQualifier() |
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| 487 | { |
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| 488 | return $this->resource->getResource('skosmos:alphabeticalListQualifier'); |
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| 489 | } |
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| 490 | |||
| 491 | /** |
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| 492 | * Returns a boolean value set in the config.ttl config. |
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| 493 | * @return boolean |
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| 494 | */ |
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| 495 | public function getShowDeprecated() |
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| 496 | { |
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| 497 | return $this->getBoolean('skosmos:showDeprecated', false); |
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| 498 | } |
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| 499 | |||
| 500 | /** |
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| 501 | * Returns the vocabulary dc:type value(s) with their labels and uris, if set in the vocabulary configuration. |
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| 502 | * @return array of objects or an empty array |
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| 503 | */ |
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| 504 | public function getTypes($lang = null) |
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| 514 | } |
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| 515 | |||
| 516 | /** |
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| 517 | * Returns an array of fallback languages that is ordered by priority and |
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| 518 | * defined in the vocabulary configuration as a collection. |
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| 519 | * Additionally, the chosen content language is inserted with the highest priority |
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| 520 | * and the vocab default language is inserted with the lowest priority. |
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| 521 | * @param string $clang |
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| 522 | * @return array of language code strings |
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| 523 | */ |
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| 524 | public function getLanguageOrder($clang) |
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| 525 | { |
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| 526 | if (array_key_exists($clang, $this->languageOrderCache)) { |
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| 527 | return $this->languageOrderCache[$clang]; |
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| 528 | } |
||
| 529 | $ret = array($clang); |
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| 530 | $fallbacks = !empty($this->resource->get('skosmos:fallbackLanguages')) ? $this->resource->get('skosmos:fallbackLanguages') : array(); |
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| 531 | foreach ($fallbacks as $lang) { |
||
| 532 | if (!in_array($lang, $ret)) { |
||
| 533 | $ret[] = (string)$lang; // Literal to string conversion |
||
| 534 | } |
||
| 535 | } |
||
| 536 | if (!in_array($this->getDefaultLanguage(), $ret)) { |
||
| 537 | $ret[] = (string)$this->getDefaultLanguage(); |
||
| 538 | } |
||
| 539 | foreach ($this->getLanguages() as $lang) { |
||
| 540 | if (!in_array($lang, $ret)) { |
||
| 541 | $ret[] = $lang; |
||
| 542 | } |
||
| 543 | } |
||
| 544 | // store in cache so this doesn't have to be computed again |
||
| 545 | $this->languageOrderCache[$clang] = $ret; |
||
| 546 | return $ret; |
||
| 547 | } |
||
| 548 | |||
| 549 | /** |
||
| 550 | * @return boolean |
||
| 551 | */ |
||
| 552 | public function isUseModifiedDate() |
||
| 555 | } |
||
| 556 | |||
| 557 | /** |
||
| 558 | * @return array |
||
| 559 | */ |
||
| 560 | public function getPropertyOrder() |
||
| 561 | { |
||
| 562 | $order = $this->getResource()->getResource('skosmos:propertyOrder'); |
||
| 563 | if ($order === null) { |
||
| 564 | return self::DEFAULT_PROPERTY_ORDER; |
||
| 565 | } |
||
| 566 | |||
| 567 | $short = EasyRdf\RdfNamespace::shorten($order); |
||
| 568 | if ($short == 'skosmos:iso25964PropertyOrder') { |
||
| 569 | return self::ISO25964_PROPERTY_ORDER; |
||
| 570 | } elseif ($short == 'skosmos:defaultPropertyOrder') { |
||
| 571 | return self::DEFAULT_PROPERTY_ORDER; |
||
| 572 | } |
||
| 573 | |||
| 574 | // check for custom order definition |
||
| 575 | $orderList = $order->getResource('rdf:value'); |
||
| 576 | if ($orderList !== null && $orderList instanceof EasyRdf\Collection) { |
||
| 577 | $ret = array(); |
||
| 578 | foreach ($orderList as $prop) { |
||
| 587 | } |
||
| 588 | } |
||
| 589 |
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