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<?php |
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namespace DNADesign\Elemental\Controllers; |
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use DNADesign\Elemental\Models\BaseElement; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Control\Director; |
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use SilverStripe\View\Requirements; |
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/** |
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* Optional controller for every element which has its own logic, e.g. in forms. |
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* |
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* It always handles a single element, usually passed in as a database |
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* identifier through the controller URL. Needs to be constructed as a nested |
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* controller within a {@link ContentController}. |
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* |
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* ## Forms |
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* You can add forms like in any other SilverStripe controller. If you need |
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* access to the element from within a form, you can use |
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* `$this->controller->getElement()` inside the form logic. |
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* |
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* @package Elemental |
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*/ |
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class ElementController extends Controller |
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{ |
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/** |
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* @var BaseElement $element |
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*/ |
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protected $element; |
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/** |
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* A list of default (example) styles to include |
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* |
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* @config |
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* @var string[] |
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*/ |
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private static $default_styles = []; |
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/** |
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* Whether to include default (example) styles |
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* |
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* @config |
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* @var bool |
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*/ |
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private static $include_default_styles = true; |
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/** |
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* @param BaseElement $element |
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*/ |
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public function __construct(BaseElement $element) |
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{ |
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$this->element = $element; |
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parent::__construct(); |
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$this->setFailover($this->element); |
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} |
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/** |
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* @return BaseElement |
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*/ |
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public function getElement() |
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{ |
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return $this->element; |
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} |
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/** |
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* Renders the managed {@link BaseElement} wrapped with the current |
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* {@link ElementController}. |
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* |
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* @return string HTML |
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*/ |
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public function forTemplate() |
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{ |
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$defaultStyles = $this->config()->get('default_styles'); |
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$this->extend('updateForTemplateDefaultStyles', $defaultStyles); |
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if ($this->config()->get('include_default_styles') && !empty($defaultStyles)) { |
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foreach ($defaultStyles as $stylePath) { |
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Requirements::css($stylePath); |
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} |
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} |
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$template = 'DNADesign\\Elemental\\' . $this->element->config()->get('controller_template'); |
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$this->extend('updateForTemplateTemplate', $template); |
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return $this->renderWith([ |
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'type' => 'Layout', |
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$template |
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]); |
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} |
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/** |
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* @param string $action |
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* |
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* @return string |
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*/ |
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public function Link($action = null) |
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{ |
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$page = Director::get_current_page(); |
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if ($page && !($page instanceof ElementController)) { |
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return Controller::join_links( |
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$page->Link($action), |
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'#'. $this->element->getAnchor() |
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); |
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} |
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$curr = Controller::curr(); |
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if ($curr && !($curr instanceof ElementController)) { |
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return Controller::join_links( |
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$curr->Link($action), |
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'#'. $this->element->getAnchor() |
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); |
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} |
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} |
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} |
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silverstripe /
silverstripe-elemental
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