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60 lines
5.9 KiB
Plaintext
60 lines
5.9 KiB
Plaintext
---
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title: Vue d'ensemble
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description: Placez votre application à l’intérieur de l’interface de Twenty — entrées de barre latérale, vues enregistrées, onglets de page d’enregistrement et composants React isolés.
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icon: table-columns
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---
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La **couche de mise en page** d’une application Twenty est tout ce que l’utilisateur voit : où l’application apparaît dans la barre latérale, quelles vues de liste elle fournit, comment ses pages de détails d’enregistrement sont organisées et quels composants React personnalisés sont rendus à l’intérieur de ces pages.
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```text
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Sidebar Record list Record detail page
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─────── ─────────── ──────────────────
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[📋 My View] ────▶ ┌──────────┐ ┌─────────────────────┐
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[📋 Drafts ] │ Companies│ │ Tabs: [Overview ] │
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[📋 Inbox ] │ ──────── │ │ [Notes ] │
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▲ │ Apple │ │ [Hello ]◀──── definePageLayoutTab
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│ │ Acme │ │ │ adds a tab...
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└ defineNavi- │ … │ │ ┌────────────────┐ │
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gationMenu- └────▲─────┘ │ │ │ │
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Item points │ │ │ React UI │◀── …with a
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to a defineView │ │ │ (sandboxed in │ │ defineFrontComponent
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└ defineView │ │ a Worker) │ │ widget inside
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picks columns │ └────────────────┘ │
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and filters └─────────────────────┘
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```
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## Dans cette section
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<CardGroup cols={2}>
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<Card title="Vues" icon="list" href="/l/fr/developers/extend/apps/layout/views">
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`defineView` — configurations de listes enregistrées : colonnes visibles, filtres, groupes.
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</Card>
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<Card title="Éléments de menu de navigation" icon="bars" href="/l/fr/developers/extend/apps/layout/navigation-menu-items">
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`defineNavigationMenuItem` — entrées de barre latérale pointant vers des vues ou des URL externes.
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</Card>
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<Card title="Mises en page" icon="table-columns" href="/l/fr/developers/extend/apps/layout/page-layouts">
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`definePageLayout` et `definePageLayoutTab` — onglets et widgets sur la page de détails d’un enregistrement.
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</Card>
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<Card title="Composants frontaux" icon="window-maximize" href="/l/fr/developers/extend/apps/layout/front-components">
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`defineFrontComponent` — composants React isolés rendus à l’intérieur de Twenty.
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</Card>
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<Card title="Éléments du menu de commande" icon="terminal" href="/l/fr/developers/extend/apps/layout/command-menu-items">
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`defineCommandMenuItem` — enregistre des composants frontaux comme entrées Cmd+K et actions rapides.
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</Card>
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</CardGroup>
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## Où l’application apparaît
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| Surface | Ce qu'il contrôle | Entité |
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| ------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------- |
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| **Barre latérale** | Une entrée personnalisée pointant vers une vue enregistrée ou une URL externe | `defineNavigationMenuItem` |
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| **Liste des enregistrements** | Une configuration enregistrée pour un objet — colonnes visibles, ordre, filtres, groupes | `defineView` |
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| **Page de détails de l’enregistrement** | Les onglets et widgets sur une page d’enregistrement (celle de votre propre objet ou une page standard) | `definePageLayout`, `definePageLayoutTab` |
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| **À l’intérieur de n’importe lequel des éléments ci-dessus** | Un widget React personnalisé — boutons, formulaires, tableaux de bord, intégrations | `defineFrontComponent` |
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| **Paramètres de l’application** | Une section de configuration personnalisée dans l’onglet Paramètres de l’application, au lieu de l’interface utilisateur par défaut des variables | `defineSettingsFrontComponent` |
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| **Menu de commande (Cmd+K)** | Une action rapide épinglée ou une commande masquée | `defineCommandMenuItem` |
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Les composants frontaux s’exécutent à l’intérieur d’un Web Worker isolé en utilisant Remote DOM — ils sont rendus *nativement* dans la page (et non dans une iframe), mais ne peuvent pas accéder directement à la page hôte ou au DOM. La communication avec Twenty se fait via une API hôte de passage de messages.
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Elles sont encore en cours de développement actif : le bac à sable implémente un DOM partiel, donc les usages avancés peuvent échouer. Voir [Limitations actuelles](/l/fr/developers/extend/apps/layout/front-components#current-limitations).
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