tu<\/a>. \u010co je nepochybne zauj\u00edmav\u00e9 je, \u017ee ka\u017ed\u00fd doin\u0161talovan\u00fd modul m\u00f4\u017ee okrem pou\u017e\u00edvania existuj\u00facich hookov dodefinova\u0165 svoje, a tak ich mno\u017einu roz\u0161irova\u0165. Zhruba sa d\u00e1 o Drupal API poveda\u0165, \u017ee v\u00e1\u0161 k\u00f3d sa bude nach\u00e1dza\u0165 medzi dvoma vrstvami Drupalu. Tou nad vami, ktor\u00e1 bude vola\u0165 va\u0161e hook met\u00f3dy a tou pod vami, ktor\u00fa zase budete vola\u0165 vy (napr\u00edklad met\u00f3da, ktor\u00e1 v\u00e1m zap\u00ed\u0161e d\u00e1ta do datab\u00e1zy). Niekde uprostred medzi t\u00fdmito vrstvami je v\u00e1\u0161 k\u00f3d.<\/p>\nTak\u017ee viete vytvori\u0165 s\u00fabory pre modul, nap\u00edsa\u0165 nejak\u00fd PHP k\u00f3d, rozumiete Drupal API. Tak to by bolo asi tak v\u0161etko. Vlastne nie. Je to tot\u00e1lne minimum a inform\u00e1ci\u00ed, ktor\u00e9 budete musie\u0165 vstreba\u0165, bude omnoho viac. Napr\u00edklad si budete musie\u0165 zvykn\u00fa\u0165 na pr\u00e1cu s poliami. Drupal vyu\u017e\u00edva polia vo ve\u013ekej miere hlavne na definovanie ur\u010dit\u00fdch \u0161trukt\u00far. Napr\u00edklad na popis formul\u00e1ra. Tak\u00fd popis je vlastne viacrozmern\u00e9 pole s presne pop\u00edsanou \u0161trukt\u00farou a dovolen\u00fdmi hodnotami. \u010ealej pre v\u00e1s bude ur\u010dite zauj\u00edmav\u00e9 pozrie\u0165 sa na proces in\u0161talovania a odin\u0161talovania v\u00e1\u0161ho modulu. To s\u00fa pr\u00e1ve tie momenty, kedy si modul pripravuje (alebo upratuje po sebe) datab\u00e1zu. V Drupale je na to \u0161peci\u00e1lny s\u00fabor s n\u00e1zvom <nazov_modulu>.install<\/em>. A v \u0148om s\u00fa dva podstatn\u00e9 hooky: hook_install()<\/em> a hook_uninstall()<\/em>. Viete si predstavi\u0165, \u010do asi robia a ja len dod\u00e1m, \u017ee s\u00fa tie\u017e zadefinovan\u00e9 pomocou pol\u00ed. To, \u010do v\u00e1s nepochybne sk\u00f4r alebo nesk\u00f4r stretne, s\u00fa probl\u00e9my, kedy sa nie\u010do nespr\u00e1va, ako ste predpokladali. Vtedy je dobre ma\u0165 na pam\u00e4ti tri mo\u017en\u00e9 kroky, ktor\u00e9 v\u00e1m m\u00f4\u017eu pom\u00f4c\u0165:<\/p>\n\n- vyma\u017ete cache (je na to tla\u010didlo, ktor\u00e9 sa d\u00e1 n\u00e1js\u0165 v administr\u00e1torskom menu)<\/li>\n
- skontrolova\u0165 pr\u00e1va<\/li>\n
- v setting.php<\/em> s\u00fabore si zapn\u00fa\u0165 zobrazovanie ch\u00fdb (\u0161peci\u00e1lne to pom\u00e1ha v pr\u00edpade, ak v\u0161etko, \u010do dostanete namiesto str\u00e1nky, je biela plocha)<\/li>\n<\/ol>\n
St\u00e1le sme sa ani z\u010faleka nedostali k v\u0161etk\u00fdm t\u00e9mam. Je \u0165a\u017ek\u00e9 robi\u0165 s Drupal, vyhn\u00fa\u0165 sa pritom \u0161abl\u00f3nam, blokom alebo poh\u013eadom (Views). To v\u0161etko s\u00fa z\u00e1kladn\u00e9 mechanizmy alebo moduly, na ktor\u00fdch je postaven\u00e1 ve\u013ek\u00e1 \u010das\u0165 Drupalu. Tento \u010dl\u00e1nok predstavuje len \u00favod p\u00edsania modulu a na v\u00e1\u017enej\u0161ie t\u00e9my je potrebn\u00e9 \u010fal\u0161ie \u0161t\u00fadium. Samotn\u00fd fakt, \u017ee existuje mno\u017estvo mechanizmov, hotov\u00fdch modulov a ofici\u00e1lnych postupov ale sved\u010d\u00ed o tom, \u017ee Drupal je pomerne mocn\u00fd n\u00e1stroj, ktor\u00fd by v\u00e1s nemal sklama\u0165, nech u\u017e sa so svojou str\u00e1nkou rozhodnete \u00eds\u0165 kamko\u013evek.<\/p>","protected":false},"excerpt":{"rendered":"
Drupal je Content Management System (CMS) zalo\u017een\u00fd na PHP jazyku. To CMS znamen\u00e1, \u017ee je to syst\u00e9m, ktor\u00fd viete spusti\u0165 na web servery a pomocou rozhrania internetov\u00e9ho prehliada\u010da vytvori\u0165 cel\u00fa str\u00e1nku (vytvori\u0165 jej obsah – preto ten \u201econtent\u201c v n\u00e1zve). Aspo\u0148 tak to bolo kedysi, ke\u010f CMS vznikali. Od vtedy u\u017e ale ubehlo mno\u017estvo \u010dasu, […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-vyvoj-softveru"],"_links":{"self":[{"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/comments?post=53"}],"version-history":[{"count":2,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/posts\/53\/revisions"}],"predecessor-version":[{"id":185,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/posts\/53\/revisions\/185"}],"wp:attachment":[{"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/media?parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/categories?post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spireng.sk\/en\/wp-json\/wp\/v2\/tags?post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"Obr\u00e1zok\"](\"\/sites\/default\/files\/imagepicker\/1\/dsfsd5df.jpg\")
Drupal je Content Management System (CMS) zalo\u017een\u00fd na PHP jazyku. To CMS znamen\u00e1, \u017ee je to syst\u00e9m, ktor\u00fd viete spusti\u0165 na web servery a pomocou rozhrania internetov\u00e9ho prehliada\u010da vytvori\u0165 cel\u00fa str\u00e1nku (vytvori\u0165 jej obsah – preto ten \u201econtent\u201c v n\u00e1zve). Aspo\u0148 tak to bolo kedysi, ke\u010f CMS vznikali. Od vtedy u\u017e ale ubehlo mno\u017estvo \u010dasu, z Drupalu (ako aj in\u00fdch CMS) sa stal okrem jeho p\u00f4vodn\u00e9ho \u00fa\u010delu, aj v\u00fdvojov\u00e1 platforma, na ktorej viete vyv\u00edja\u0165 vlastn\u00fa, \u0161pecifick\u00fa funkcionalitu. Na z\u00e1klady p\u00edsania modulu pre Drupal sa teraz pozrieme bli\u017e\u0161ie.<\/p>\n