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<?php |
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namespace Backpack\CRUD\app\View\Components; |
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use Backpack\CRUD\CrudManager; |
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use Illuminate\View\Component; |
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use Illuminate\Database\Eloquent\Model; |
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use Backpack\CRUD\app\Library\CrudPanel\CrudPanel; |
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abstract class ShowComponent extends Component |
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{ |
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/** |
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* Create a new component instance. |
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*/ |
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public function __construct( |
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public Model $entry, |
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public ?string $controller = null, |
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public ?string $operation = 'show', |
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public ?\Closure $setup = null, |
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public ?CrudPanel $crud = null, |
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public array $columns = [], |
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public bool $displayButtons = true |
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) { |
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$this->setPropertiesFromController(); |
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} |
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/** |
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* Set properties from the controller context. |
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* |
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* This method initializes the CrudPanel and sets the active controller. |
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* It also applies any setup closure provided. |
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*/ |
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protected function setPropertiesFromController() : void |
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{ |
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// If no CrudController is provided, do nothing |
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if (!$this->controller) { |
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return; |
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} |
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// If no CrudPanel is provided, try to get it from the CrudManager |
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$this->crud ??= CrudManager::setupCrudPanel($this->controller, $this->operation); |
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// Set active controller for proper context |
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CrudManager::setActiveController($this->controller); |
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// If a setup closure is provided, apply it |
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if ($this->setup) { |
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if (!empty($columns)) { |
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throw new \Exception('You cannot define both setup closure and columns for a ' . class_basename(static::class) . ' component.'); |
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} |
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($this->setup)($this->crud, $this->entry); |
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} |
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$this->columns = !empty($columns) ? $columns : $this->crud?->getOperationSetting('columns', $this->operation) ?? []; |
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// Reset the active controller |
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CrudManager::unsetActiveController(); |
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} |
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/** |
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* Get the view name for the component. |
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* This method must be implemented by child classes. |
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*/ |
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abstract protected function getViewName(): string; |
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/** |
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* Get the view / contents that represent the component. |
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*/ |
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public function render() |
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{ |
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// if no columns are set, don't load any view |
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if (empty($this->columns)) { |
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return ''; |
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} |
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return view($this->getViewName()); |
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} |
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} |
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Laravel-Backpack /
CRUD
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