{"id":322,"date":"2020-11-05T09:49:45","date_gmt":"2020-11-05T09:49:45","guid":{"rendered":"https:\/\/cinnk.com\/index.php\/2020\/11\/05\/le-lien-de-menu-colonne-vertebrale-de-joomla\/"},"modified":"2020-11-05T09:49:45","modified_gmt":"2020-11-05T09:49:45","slug":"le-lien-de-menu-colonne-vertebrale-de-joomla","status":"publish","type":"post","link":"https:\/\/cinnk.com\/fr\/le-lien-de-menu-colonne-vertebrale-de-joomla\/","title":{"rendered":"Le lien de menu, colonne vert\u00e9brale de Joomla!"},"content":{"rendered":"<p>Nous allons voir dans cet article l&rsquo;importance du <strong>lien de menu<\/strong> dans le fonctionnement de votre site <strong>Joomla!<\/strong><\/p>\n<p><!--more--><br \/>\nLe lien de menu colonne vert\u00e9brale de Joomla!                Nous allons expliquer ici l&rsquo;importance du lien de menu dans le fonctionnement de votre site Joomla!                              S\u2019il y a quelque chose de central dans Joomla, c\u2019est bien le lien de menu ! Pour mieux en comprendre l\u2019importance, voici une petite infographie qui retrace tr\u00e8s sch\u00e9matiquement ce qui se passe lors de l\u2019appel d\u2019un article dans Joomla! [Pour simplifier, nous avons \u00e9vacu\u00e9 la gestion des langues et autres petits (hum, hum) d\u00e9tails\u2026]<\/p>\n<p>L&rsquo;appel du contenu<br \/>\nCelui-ci est loin de suivre un azimut brutal, il va glaner sur son chemin les diff\u00e9rents \u00e9l\u00e9ments qui vont constituer la page. Car comme vous le savez, les pages de votre site n\u2019existent pas en tant que telles, mais se constituent lors de leur convocation.<br \/>\nSi j\u2019appelle la page actualit\u00e9s de mon site, par le bais d\u2019un lien de menu de type blog de cat\u00e9gorie, param\u00e9tr\u00e9 pour afficher un article en pleine largeur et deux intro, affich\u00e9s par date, ce sont les trois derniers articles qui vont s\u2019afficher sur la page. Mais si je n\u2019ai que deux articles disponibles, la page n\u2019affichera que deux articles. Miracle du CMS qui construit les pages en fonction de ma requ\u00eate et de ce qui peux y r\u00e9pondre !<br \/>\nUn appel, plusieurs possibilit\u00e9s<br \/>\nOn peut d\u00e9gager trois cas de figure :<\/p>\n<p>Il existe un lien de menu<br \/>\nIl existe un lien de menu apparent\u00e9<br \/>\nIl n\u2019existe pas de lien de menu<\/p>\n<p> Dans le cas A, l\u2019appel a lieu directement par un lien de menu et nous avons donc le fameux itemid. C\u2019est-\u00e0-dire l\u2019identifiant num\u00e9rique unique du lien de menu dans la base de donn\u00e9es. Joomla va donc aller chercher ce qui est assign\u00e9 \u00e0 ce lien de menu : template, modules\u2026<br \/>\n Dans le cas B, l\u2019appel est fait par un lire la suite par exemple. N\u2019ayant pas d\u2019itemid au d\u00e9part de l\u2019appel, Joomla va aller chercher s\u2019il existe un lien de menu dans la base de donn\u00e9es vers l\u2019article appel\u00e9, ou m\u00eame un lien vers la cat\u00e9gorie de l\u2019article. Comme il y a un lien de menu \u00ab\u00a0actualit\u00e9s\u00a0\u00bb qui m\u00e8ne vers cette cat\u00e9gorie, Joomla va donc aller chercher ce qui est assign\u00e9 \u00e0 ce lien de menu que j\u2019appellerai&nbsp;apparent\u00e9 : template, modules\u2026<br \/>\n Dans le cas C, nous avons ni lien de menu au d\u00e9part, ni lien de menu apparent\u00e9. Que va donc faire Joomla ? La r\u00e9ponse est simple : il va se servir de l&rsquo;ItemId origine de la page o\u00f9 le clic a eu lieu ! Joomla va donc afficher l\u2019article dans la mise en page qui est celle de la page de l\u2019appel.<br \/>\nCela explique pourquoi mon joli module de slider qui est assign\u00e9 uniquement en page d\u2019accueil, est encore l\u00e0 quand on a cliqu\u00e9 sur le lire la suite d\u2019un article lui aussi en page d\u2019accueil. Cet article et sa cat\u00e9gorie ne sont pas desservis par un autre lien de menu : Joomla reste dans la mise en page existante lors du clic.             En route vers le rendu de la page<\/p>\n<p>Le clic a lieu depuis : A un lien de menu, B un lire la suite avec un lien de menu apparent\u00e9 ou C une liste d&rsquo;articles.&nbsp;<br \/>\nOn requ\u00eate la base de donn\u00e9es<br \/>\nOn r\u00e9cup\u00e8re le template assign\u00e9e \u00e0 l&rsquo;ItemId<br \/>\nOn extrait les positions de publications de module dudit template<br \/>\nOn r\u00e9cup\u00e8re les modules publi\u00e9s, avec v\u00e9rification des droits, sur cet ItemId<br \/>\nOn r\u00e9cup\u00e8re le contenu de l&rsquo;article, avec v\u00e9rification des droits de lecture<\/p>\n<p>Et on affiche la page telle qu&rsquo;elle doit \u00eatre.<\/p>\n<p> Comment pallier \u00e0 ce souci ? C\u2019est tout simple, en cr\u00e9ant un lien de menu vers la cat\u00e9gorie dans un autre menu que le menu principal, menu qui d\u2019ailleurs peut ne pas \u00eatre affich\u00e9 et ne servir qu\u2019\u00e0 g\u00e9rer les assignations de modules et de template.                          Cr\u00e9dits photo<br \/>\nPhoto de Clem Onojeghuo provenant de Pexels<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nous allons voir dans cet article l&rsquo;importance du lien de menu dans le fonctionnement de votre site Joomla!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-322","post","type-post","status-publish","format-standard","hentry","category-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le lien de menu, colonne vert\u00e9brale de Joomla! | Cinnk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cinnk.com\/fr\/le-lien-de-menu-colonne-vertebrale-de-joomla\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le lien de menu, colonne vert\u00e9brale de Joomla! 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