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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Drupal\display_builder; |
| 6 | |
| 7 | use Drupal\Core\Url; |
| 8 | |
| 9 | /** |
| 10 | * Trait for handling HTMX attributes and rendering. |
| 11 | */ |
| 12 | trait HtmxTrait { |
| 13 | |
| 14 | /** |
| 15 | * Wrap a renderable array for out-of-band swapping. |
| 16 | * |
| 17 | * @param array $renderable |
| 18 | * The renderable array to be prepared. |
| 19 | * @param string $target_selector |
| 20 | * The selector for the target element. |
| 21 | * @param string $swap |
| 22 | * The swap method to use. |
| 23 | * |
| 24 | * @return array |
| 25 | * The wrapped renderable array. |
| 26 | */ |
| 27 | protected function addOutOfBand(array $renderable, string $target_selector, string $swap): array { |
| 28 | return [ |
| 29 | '#type' => 'html_tag', |
| 30 | '#tag' => 'div', |
| 31 | '#attributes' => [ |
| 32 | 'hx-swap-oob' => $swap . ':' . $target_selector, |
| 33 | ], |
| 34 | 'content' => $renderable, |
| 35 | ]; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Alter a renderable array for out-of-band swapping. |
| 40 | * |
| 41 | * @param array $renderable |
| 42 | * The renderable array to be prepared. |
| 43 | * @param string $target_selector |
| 44 | * The selector for the target element. |
| 45 | * @param string $swap |
| 46 | * The swap method to use. |
| 47 | * |
| 48 | * @return array |
| 49 | * The altered renderable array. |
| 50 | */ |
| 51 | protected function makeOutOfBand(array $renderable, string $target_selector, string $swap): array { |
| 52 | $renderable['#attributes']['hx-swap-oob'] = $swap . ':' . $target_selector; |
| 53 | |
| 54 | return $renderable; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Adds a target and swap method to an array of attributes. |
| 59 | * |
| 60 | * @param array $attr |
| 61 | * The array of attributes to modify. |
| 62 | * @param string $target |
| 63 | * (Optional) The target selector. Defaults to 'this'. |
| 64 | * |
| 65 | * @return array |
| 66 | * The modified array of attributes. |
| 67 | */ |
| 68 | protected function addTarget(array $attr, string $target = 'this'): array { |
| 69 | $attr['hx-target'] = $target; |
| 70 | $attr['hx-swap'] = 'outerHTML'; |
| 71 | |
| 72 | return $attr; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Sets the trigger and method for an HTMX request. |
| 77 | * |
| 78 | * @param string $trigger |
| 79 | * The trigger event for the request. |
| 80 | * @param string $method |
| 81 | * The HTTP method to use. |
| 82 | * @param \Drupal\Core\Url $url |
| 83 | * The URL for the request. |
| 84 | * |
| 85 | * @return array |
| 86 | * An array of attributes for the HTMX request. |
| 87 | */ |
| 88 | protected function setTrigger(string $trigger, string $method, Url $url): array { |
| 89 | return [ |
| 90 | 'hx-' . $method => $url->toString(), |
| 91 | 'hx-trigger' => $trigger, |
| 92 | // Most HTMX responses will use OOB swaps so let's de activate swapping by |
| 93 | // default. |
| 94 | 'hx-swap' => 'none', |
| 95 | ]; |
| 96 | } |
| 97 | |
| 98 | } |